CN113522935A - Construction waste recovery system - Google Patents
Construction waste recovery system Download PDFInfo
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- CN113522935A CN113522935A CN202110853335.8A CN202110853335A CN113522935A CN 113522935 A CN113522935 A CN 113522935A CN 202110853335 A CN202110853335 A CN 202110853335A CN 113522935 A CN113522935 A CN 113522935A
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- 238000010276 construction Methods 0.000 title claims abstract description 85
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 129
- 238000012216 screening Methods 0.000 claims abstract description 128
- 239000004576 sand Substances 0.000 claims abstract description 80
- 229910052751 metal Inorganic materials 0.000 claims abstract description 77
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- 238000001179 sorption measurement Methods 0.000 claims description 30
- 238000000227 grinding Methods 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 28
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- 238000004064 recycling Methods 0.000 claims description 15
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C3/00—Apparatus or methods for mixing clay with other substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a construction waste recovery system, belonging to the technical field of waste recovery, comprising a metal removing device, a first screening device, a coarse crushing device and a fine crushing device, milling device, fine sand storage device, coarse aggregate storage device and fine aggregate storage device, it is provided with the feed inlet to remove on the metal device, it is connected with first screening plant to remove metal device's discharge gate, a discharge gate and fine sand storage device of first screening plant are connected, another discharge gate and coarse crushing device of first screening plant are connected, a discharge gate and fine crushing device of coarse crushing device are connected, another discharge gate and coarse aggregate storage device of coarse crushing device are connected, a discharge gate and fine aggregate storage device of fine crushing device are connected, another discharge gate and the milling device of fine crushing device are connected, the discharge gate and the fine sand storage device of milling device are connected. This system has the advantage of fully retrieving the construction waste.
Description
Technical Field
The invention relates to the technical field of waste recovery, in particular to a construction waste recovery system.
Background
As urbanization progresses faster, the aging and service life of some old buildings, structures, urban infrastructure expire, causing more and more civil engineering construction projects to be scrapped for demolition, thus generating a large amount of construction demolition waste. For the construction waste, most of the construction waste is directly buried without any treatment, so that a large amount of resources are wasted, the geology is changed by the burying, the environment is damaged, and the construction waste is recycled after the recovery treatment, so that the method and the device are a reasonable approach for solving the construction waste.
The existing construction waste generally only has the function of crushing the construction waste, has single function and cannot fully recycle the construction waste.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a construction waste recycling system which has the advantage of fully recycling construction waste.
The purpose of the invention is realized by the following technical scheme: a construction waste recovery system comprises a metal removing device, a first screening device, a coarse crushing device, a fine crushing device, a grinding device, a fine sand storage device, a coarse aggregate storage device and a fine aggregate storage device, wherein a feed inlet is formed in the metal removing device, a discharge outlet of the metal removing device is connected with the first screening device, a discharge outlet of the first screening device is connected with the fine sand storage device, another discharge outlet of the first screening device is connected with the coarse crushing device, a discharge outlet of the coarse crushing device is connected with the fine crushing device, another discharge outlet of the coarse crushing device is connected with the coarse aggregate storage device, a discharge outlet of the fine crushing device is connected with the fine aggregate storage device, and another discharge outlet of the fine crushing device is connected with the grinding device, and the discharge hole of the grinding device is connected with the fine sand storage device.
The invention has the advantages that in the process of recycling the construction waste, the construction waste is firstly led into the metal removing device to screen out metal objects in the construction waste, then the construction waste after screening out the metal objects is led into the first screening device which screens out the construction waste after screening out the metal objects, fine sand in the construction waste is screened into the fine sand storage device to be stored, the construction waste after removing the fine sand is led into the coarse crushing device to generate coarse aggregate after coarse crushing the construction waste, one part of the coarse aggregate is led into the coarse aggregate storage device to be stored, the other part of the coarse aggregate is led into the fine crushing device to generate fine aggregate after fine crushing the construction waste, one part of the fine aggregate is led into the fine aggregate storage device to be stored, the other part of the fine aggregate is led into the grinding device to grind the fine aggregate into fine sand, and guiding the milled fine sand into a fine sand storage device for storage. The system classifies the construction waste into metal objects, coarse aggregates, fine aggregates and fine sand by recycling the construction waste, realizes full recycling of the construction waste and facilitates subsequent use of recycled products (such as the metal objects, the coarse aggregates, the fine aggregates and the fine sand) of construction fertilizers.
The concrete brick further comprises a concrete generating device and a green brick generating device, wherein a discharge hole of the coarse aggregate storage device and a discharge hole of the coarse aggregate storage device are both connected with a feed inlet of the concrete generating device, and a discharge hole of the fine sand storage device and a discharge hole of the fine aggregate storage device are both connected with a feed inlet of the green brick generating device.
The system has the advantages that the system can also directly generate concrete or green bricks by using the recovery products (such as metal objects, coarse aggregates, fine aggregates and fine sand) of the building fertilizer through the concrete generating device and the green brick generating device, and process the building waste into materials which can be directly used for building processing, so that the building waste is fully recycled.
The device further comprises a metal material storage device, a second screening device and an impurity screening device, wherein the other discharge hole of the metal removing device is connected with the metal material storage device;
the discharge gate of fine crushing device with the second screening plant is connected, a discharge gate of second screening plant with fine sand storage device connects, another discharge gate and the impurity sieving mechanism of second screening plant are connected, a discharge gate of impurity sieving mechanism with fine crushing device connects, another discharge gate of impurity sieving mechanism with coarse aggregate storage device connects.
The beneficial effect of adopting above-mentioned further scheme is that, leading-in with building waste material removes metal device, screens out the metallics in the building waste material to the metallics of will screening are leaded to in the metal material storage device and are stored, are convenient for follow-up metal object secondary operation to the screening. The coarse crushing device is used for conducting coarse crushing on the construction waste to generate coarse aggregate, the coarse aggregate is guided into the second screening device, the second screening device screens out fine sand in the coarse aggregate and guides the fine sand into the fine sand storage device to be stored, the screened coarse aggregate is guided into the impurity screening device, the impurity screening device screens out impurities (such as plastics, wood and the like) in the coarse aggregate, one part of the screened coarse aggregate is guided into the coarse aggregate storage device to be stored, the other part of the screened coarse aggregate is guided into the fine crushing device to be subjected to fine crushing, the impurities in the coarse aggregate and the fine aggregate can be effectively screened out, and the quality of the generated coarse aggregate and the fine aggregate is improved.
Further, the metal removing device comprises a first shell, a waste material feeding hole is formed in the first shell, a first rotating shaft is arranged in the first shell in a transmission mode, the length direction of the first rotating shaft is perpendicular to the vertical direction, a metal adsorption plate is arranged on the first rotating shaft, an electromagnet is arranged on the metal adsorption plate, and a plurality of material passing holes are formed in the metal adsorption plate;
the two sides of the first rotating shaft are provided with telescopic plates, the telescopic plates are inserted into the side wall of the first shell, the first shell is provided with a first hydraulic cylinder, a piston rod of the first hydraulic cylinder is connected with the telescopic plates, two sides of the telescopic plates are also provided with first limiting slide rails, the length direction of the first limiting slide rails is perpendicular to the length direction of the first rotating shaft, the first hydraulic cylinder is used for moving the telescopic plates along the length direction perpendicular to the first rotating shaft, and the first shell is also provided with a first motor used for driving the first rotating shaft to rotate along the first axial direction of the first rotating shaft;
a first discharge pipe penetrates through the bottom of the first shell, the first discharge pipe penetrates through the top of the first screening device, a first baffle is further arranged in the first shell, a second rotating shaft is rotatably arranged on one side wall of the first shell, the first shell is further provided with a second motor for driving the second rotating shaft to rotate around the length direction of the second rotating shaft, one end of the first baffle is connected with the second rotating shaft, the other end of the first baffle is arranged in a downward inclined manner, a metal discharge port is formed in the side wall of the first shell, which is close to the downward inclined end of the first baffle, and is provided with a first screw conveyor, and the discharge port of the first screw conveyor is connected with the metal material storage device;
the bottom of first casing is provided with first discharging pipe, first discharging pipe is located the outer one end of first casing with first screening plant is connected.
Adopt above-mentioned further scheme's beneficial effect is, before retrieving construction waste, the piston rod of the first pneumatic cylinder of control promotes the expansion plate earlier and removes to the direction that is close to first casing inside, make two expansion plates and metal adsorption plate butt, two expansion plates support metal adsorption plate, the second motor drive second pivot of simultaneous control rotates, make first baffle rotate the lateral wall of laminating at first casing, make the electro-magnet circular telegram on the metal adsorption plate produce the magnetic force to the metal object, again with construction waste through leading-in first casing, construction waste drops to metal adsorption plate under the effect of self gravity on, the less construction waste of volume is provided with a plurality of material passing mouths through on the metal adsorption plate and drops to first discharging pipe, metal object in the construction waste is adsorbed to metal adsorption plate on. And then the piston rod of the first hydraulic cylinder is controlled to firstly push the expansion plates to move towards the direction far away from the inside of the first shell, so that the two expansion plates are not abutted to the metal adsorption plate, the first motor is controlled to work, the first motor drives the first rotating shaft to rotate, the metal adsorption plate is turned, and the first discharge pipe of the construction waste on the metal adsorption plate is moved under the action of self gravity to drop to the first screening device. And controlling a second motor to drive a second rotating shaft to rotate, enabling the first baffle to rotate and enabling one end of the first baffle to be abutted to the metal feed inlet, enabling the electromagnet to be powered off, enabling the metal object to fall to the first baffle under the action of self gravity, and falling to the first screw conveyor from the metal discharge port along the first baffle, transporting the metal object to the metal material storage device by the first screw conveyor for storage, finally controlling the first motor to reset the metal adsorption plate, controlling the first hydraulic cylinder to reset the expansion plate, and controlling the second motor to reset the first baffle.
Further, the first screening device comprises a second shell, one end, located outside the first shell, of the first discharging pipe penetrates through the second shell, a fine sand filter screen plate is arranged in the second shell, the first discharging pipe is located above the fine sand filter screen plate, a vibration motor is arranged on the fine sand filter screen plate, one end of the fine sand filter screen plate is arranged in a downward inclined mode, a screening discharging port is formed in the side wall, close to the bottom end of the fine sand filter screen plate, of the second shell, a second spiral conveyor is arranged at the bottom of the second shell, and a discharging port of the second spiral conveyor is connected with the fine sand storage device;
the screening discharge port is also provided with an opening and closing door, two sides of the opening and closing door are respectively provided with a second limiting slide rail, the length direction of the second limiting slide rail is parallel to the vertical direction, and the second shell is provided with a height adjusting piece for adjusting the height of the opening and closing door along the vertical direction;
a dredging rod is further arranged on the second shell in a penetrating mode, the length direction of the dredging rod is parallel to the vertical direction, one end, located in the second shell, of the dredging rod is provided with a plurality of first protruding blocks along the length direction of the dredging rod, a first hydraulic cylinder is further arranged on the second shell, a piston rod of the first hydraulic cylinder is connected with one end, located outside the second shell, of the dredging rod, and a piston rod of the first hydraulic cylinder extends along the length direction of the dredging rod;
still be provided with third screw conveyer on the screening discharge gate, the setting of opening and shutting is in the screening discharge gate with between third screw conveyer's the feed inlet, third screw conveyer's discharge gate with coarse crushing device is connected.
Adopt above-mentioned further scheme's beneficial effect be, before the construction waste material after the screening metal gets into the second casing, height adjusting part reduces the height of opening and shutting the door for the door lid that opens and shuts closes on the screening discharge gate. Building waste material after the metal is sieved gets into in the second casing from first discharging pipe under the effect of self gravity to drop to fine sand filter the otter board, vibrating motor work for the grit passes the hole that fine sand filters the otter board and drops to second screw conveyer, and the grit that second screw conveyer sieved is transported to fine sand storage device and is saved. The height of the opening and closing door is raised by the height adjusting piece, so that the screened construction waste falls to the third screw conveyor under the action of self gravity and is conveyed to the coarse crushing device by the third screw conveyor. Building waste after the screening drops to the in-process of third screw conveyer under the effect of self gravity, and first pneumatic cylinder work drives dredging rod along vertical direction reciprocating motion, dredges the building waste after the screening, prevents the building waste after the screening to block up at the screening discharge gate.
Further, the coarse crushing device comprises a third shell, a discharge hole of the third screw conveyor is arranged on the side wall of the third shell in a penetrating way, the side wall of the third shell is also provided with a first pushing flat plate which is positioned below the discharge hole of the first screw conveyor, the third shell is also provided with a second hydraulic cylinder, a piston rod of the second hydraulic cylinder extends along the direction vertical to the vertical direction, a piston rod of the second hydraulic cylinder is connected with the first push flat plate, a breaking hammer is arranged in the third shell, a plurality of second lugs are arranged at the bottom of the breaking hammer, the top of the breaking hammer is connected with a connecting rod, the length direction of the connecting rod is parallel to the vertical direction, a third hydraulic cylinder is also arranged on the third shell, a piston rod of the third hydraulic cylinder extends along the vertical direction, and is connected with the connecting rod;
the bottom of third casing still wears to be equipped with the second discharging pipe, the second discharging pipe is located the outer one end of third casing is connected with second screening plant, a discharge gate of second screening plant is connected with fourth screw conveyer, fourth screw conveyer's discharge gate with fine sand storage device connects, another discharge gate of second screening plant is connected with fifth screw conveyer, fifth screw conveyer's discharge gate with impurity sieving mechanism connects.
Adopt above-mentioned further scheme's beneficial effect be, after the building waste after the third screw conveyer will sieve transported to coarse crushing device, the second pneumatic cylinder promotes to push away the removal of dull and stereotyped vertical direction of perpendicular to, pushes away the building waste in the third casing flat, prevents that building waste from piling up in a corner. When carrying out coarse crushing, the work of third pneumatic cylinder drives the quartering hammer and is reciprocating motion along vertical direction, carries out the hammering to the construction waste in the third casing, broken construction waste, and a plurality of second lugs that the bottom of quartering hammer set up are from carrying out the application of force to construction waste to a plurality of angles for the crushing effect of quartering hammer is better. The coarse aggregate that generates after the coarse crushing drops to second screening plant through the second discharging pipe, and second screening plant sieves coarse aggregate, and the fine sand in the coarse aggregate is transported to fine sand storage device by fourth screw conveyer and is saved. And conveying the screened coarse aggregate to an impurity screening device by a fifth screw conveyor.
Further, the impurity screening device comprises a washing pool, a water storage tank and a drying piece, a discharge hole of the fifth screw conveyor is positioned above the washing pool, a fifth rotating shaft is arranged on the washing pool in a rotating mode, the fifth rotating shaft is coaxially connected with an impurity filtering net, a fourth motor for driving the fifth rotating shaft to rotate around the axis of the fifth rotating shaft is arranged on the washing pool, a plurality of water outlet pipes penetrate through the bottom of the washing pool, the water outlet pipes are connected with the water storage tank, and a third discharge pipe penetrates through the bottom of the washing pool;
the drying part comprises a drying box and a belt conveyor, a hot air drying part is arranged in the drying box and is positioned above the belt conveyor, the third discharge pipe is positioned above one end of the belt conveyor, a sixth screw conveyor and a seventh screw conveyor are further arranged at the other end of the belt conveyor, a discharge port of the sixth screw conveyor is connected with the fine crushing device, and a discharge port of the seventh screw conveyor is connected with the coarse aggregate storage device;
the fine crushing device comprises a fourth shell, a plurality of crushing rollers are arranged in the fourth shell, the crushing rollers are arranged in parallel, the side walls of the crushing rollers are provided with third convex blocks, the crushing rollers are positioned below the discharge hole of the sixth screw conveyer, a fourth discharge pipe penetrates through the bottom of the fourth shell, the fourth discharge pipe is connected with a third screening device, one discharge port of the third screening device is connected with an eighth screw conveyor, the discharge port of the eighth screw conveyor is connected with the fine sand storage device, the other discharge port of the third screening device is connected with a ninth screw conveyor, the discharge port of the ninth screw conveyor is connected with the fine aggregate storage device, and the other discharge port of the second screening device is connected with a tenth screw conveyor, and the discharge port of the tenth screw conveyor is connected with the grinding device.
Adopt above-mentioned further scheme's beneficial effect be, before carrying out impurity screening work, at the retaining in the washing pond earlier, and the laminating of impurity filter screen is at the lateral wall in washing pond. Coarse aggregate is transported to the washing pond in by fifth screw conveyer after the screening in the washing pond, and under the buoyancy of water, the impurity that quality such as plastics, timber are lighter suspends on water, and the fourth motor drives the rotation of fourth pivot for the impurity filter screen will suspend the impurity that quality such as plastics, timber are lighter on water and salvage. Then the water in the water tank is discharged into the water storage tank through a plurality of water outlet pipes, after the water stored in the water tank is completely discharged to the water storage tank, the coarse aggregate after impurity screening is completed falls onto a belt conveyor through a third discharge pipe, and a hot air drying piece in the drying box dries the coarse aggregate. And conveying one part of the dried coarse aggregate to a fine crushing device by a sixth screw conveyor for fine crushing, and conveying the other part of the aggregate to a coarse aggregate storage device by a seventh screw conveyor for storage. In sixth screw conveyer transported coarse aggregate to the fourth casing, coarse aggregate dropped to a plurality of crushing rollers under the effect of self gravity on, a plurality of crushing rollers carried out crushing work to coarse aggregate, and a plurality of third lugs are from carrying out the application of force to construction waste to a plurality of angles for the crushing effect of quartering hammer is better. And the fine aggregate generated after fine crushing falls into a third screening device through a fourth discharge pipe under the action of self gravity, the third screening device screens the fine aggregate, and the fine sand in the fine aggregate is transported to a fine sand storage device by an eighth screw conveyor for storage. And conveying one part of the screened fine aggregate to an impurity screening device by a ninth screw conveyor, and conveying the other part of the fine aggregate to a grinding device by a tenth screw conveyor for grinding.
Further, the milling device comprises a fifth shell and a sixth shell, a discharge hole of the nine-screw conveyor penetrates through the top of the fifth shell, a fourth rotating shaft is arranged in the fifth shell, the length direction of the fourth rotating shaft is parallel to the vertical direction, a plurality of crushing blades are arranged on the fourth rotating shaft along the length direction of the fourth rotating shaft, a fifth motor is arranged on the fifth shell, an output shaft of the fifth motor is coaxially connected with the fourth rotating shaft, a fifth discharge pipe penetrates through the bottom of the fifth shell, and one end of the fifth discharge pipe penetrates through the sixth shell;
a plurality of grinding rollers are arranged in the sixth shell in parallel, the grinding rollers are located below the fifth discharge pipe, an eleventh spiral conveyor is arranged at the bottom of the sixth shell in a penetrating mode, and a discharge port of the eleventh spiral conveyor is connected with the third screening device.
The beneficial effects of adopting above-mentioned further scheme are that, the tenth screw conveyer transports the fine aggregate to in the fifth casing, and fifth motor drive fourth pivot drives a plurality of crushing blades and rotates at a high speed, smashes the fine aggregate, and the fine aggregate after smashing drops to in the sixth casing under the effect of self gravity, and a plurality of grinding rollers mill the fine aggregate after smashing, generate the fine sand. The eleventh screw conveyor conveys the generated fine sand to the third screening device, the third screening device screens the generated fine sand, the fine aggregate which is not completely crushed is screened out, and the fine aggregate is conveyed to the grinding device through the tenth screw conveyor for secondary grinding, so that the quality of the generated fine sand is improved.
Further, the concrete generating device comprises a water storage tank, a first weighing part, a cement storage part, a second weighing part, a third weighing part, a fourth weighing part, an additive storage part and a concrete stirring generating part, wherein a discharge port of the fine sand storage device is connected with a feed port of the second weighing part, the cement storage part is connected with a feed port of the third weighing part, a discharge port of the coarse aggregate storage device is connected with a feed port of the fourth weighing part, a discharge port of the water storage tank is connected with a feed port of the first weighing part, a discharge port of the additive storage part is connected with a feed port of the first weighing part, and a discharge port of the first weighing part and a discharge port of the second weighing part are connected with a feed port of the concrete stirring generating part.
The concrete stirring device has the advantages that cement, water, additives, coarse aggregate generated by construction waste and fine sand generated by the construction waste are respectively weighed and proportioned by the first weighing part, the second weighing part, the third weighing part and the fourth weighing part and then are led into the concrete stirring generating part to be stirred to generate concrete.
Further, the green brick generating device comprises a clay powder storage part, a fifth weighing part, a sixth weighing part, a green brick stirring part, a vacuum brick extruding machine and a tunnel kiln, wherein a discharge port of the clay powder storage part is connected with the fifth weighing part, a discharge port of the fine aggregate storage device is connected with the sixth weighing part, a discharge port of the first weighing part, a discharge port of the second weighing part, a discharge port of the third weighing part, a discharge port of the fifth weighing part and a discharge port of the sixth weighing part are all connected with the green brick stirring part, a discharge port of the green brick stirring part is connected with a feed port of the vacuum brick extruding machine, a discharge port of the vacuum brick extruding machine is used for extruding green bricks, and the tunnel kiln is used for drying the green bricks.
The beneficial effect of adopting the further scheme is that cement, water, clay, fine aggregate generated by construction waste and fine sand generated by construction waste are respectively weighed and proportioned by the discharge hole of the first weighing piece, the discharge hole of the second weighing piece, the discharge hole of the third weighing piece, the discharge hole of the fifth weighing piece and the sixth weighing piece, then the mixture is led into a green brick stirring piece for stirring and mixing, then the green brick is led into a vacuum brick extruding machine to generate green bricks, and the tunnel kiln is used for drying the green bricks.
Drawings
FIG. 1 is a schematic diagram of a construction waste recovery system according to some embodiments of the present invention;
FIG. 2 is a partial cross-sectional view of some embodiments of the present invention showing a demetallization device;
FIG. 3 is a partial cross-sectional view of some embodiments of the present invention showing a demetallization device;
FIG. 4 is a partial cross-sectional view of some embodiments of the present invention showing a first screening device;
fig. 5 is a partial cross-sectional view of some embodiments of the present invention showing a coarse crushing device;
FIG. 6 is a schematic structural diagram of an apparatus for screening impurities according to some embodiments of the present invention;
FIG. 7 is a partial cross-sectional view of some embodiments of the present invention showing a contaminant screening device;
FIG. 8 is a partial cross-sectional view of some embodiments of the present invention showing a fine crushing device;
figure 9 is a partial cross-sectional view of some embodiments of the present invention showing a milling device;
FIG. 10 is a schematic view of some embodiments of the present invention showing a concrete generating apparatus;
FIG. 11 is a schematic view of a green brick forming apparatus according to some embodiments of the present invention.
In the figure, 100, a construction waste recycling system; 10. a metal removing device; 101. a first housing; 1011. a metal discharge port; 102. a metal adsorption plate; 103. a retractable plate; 104. a first hydraulic cylinder; 105. a first rotating shaft; 106. a first motor; 107. a first baffle plate; 1071. a first stopper; 108. a second motor; 109. a second rotating shaft; 11. a first screening device; 111. a second housing; 112. fine sand filter screen plate; 113. a vibration motor; 114. opening and closing the door; 115. a height adjustment member; 1151. a limiting slide rail; 1152. a fourth hydraulic cylinder; 116. dredging the rod; 117. screening a discharge hole; 12. a coarse crushing device; 121. a third housing; 122. a first push plate; 123. a second hydraulic cylinder; 124. a breaking hammer; 1241. a second bump; 125. a connecting rod; 126. a third hydraulic cylinder; 127. a second discharge pipe; 13. a fine crushing device; 131. a fourth housing; 132. a crushing roller; 14. a milling device; 141. a fifth housing; 142. a sixth housing; 143. a fourth rotating shaft; 144. a fifth motor; 145. grinding the roller; 146. a crushing blade; 15. an impurity screening device; 151. a water washing pool; 1511. a fifth rotating shaft; 1512. a fourth motor; 1513. an impurity filter screen; 152. a water storage tank; 153. drying the workpiece; 1531. a drying box; 1532. a belt conveyor; 154. and an impurity storage pool.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
Referring to fig. 1, in some embodiments, a construction waste recycling system 100 may include a metal removing device 10, a metal material storage device, a first screening device 11, a coarse crushing device 12, a second screening device, an impurity screening device 15, a fine crushing device 13, a third screening device, a milling device 14, a fine sand storage device, a coarse aggregate storage device, and a fine aggregate storage device. The respective portions will be explained in turn.
Referring to fig. 2 and 3, in some embodiments, the metal removing device 10 may include a first housing 101, a scrap feeding opening is disposed on the first housing 101, a first rotating shaft 105 is disposed in the first housing 101 in a transmission manner, a length direction of the first rotating shaft 105 is perpendicular to a vertical direction, and a first motor 106 for driving the first rotating shaft 105 to rotate along a first axis direction of the first rotating shaft 105 is disposed on the first housing 101. The first rotating shaft 105 is provided with a metal adsorption plate 102, the metal adsorption plate 102 is provided with an electromagnet, and the metal adsorption plate 102 is provided with a plurality of material passing openings. The two sides of the first rotating shaft 105 are provided with the expansion plates 103, the expansion plates 103 are inserted into the side wall of the first shell 101, the first shell 101 is provided with a first hydraulic cylinder 104, a piston rod of the first hydraulic cylinder 104 is connected with the expansion plates 103, the two sides of the expansion plates 103 are further provided with first limiting slide rails 1151, the length direction of the first limiting slide rails 1151 is perpendicular to the length direction of the first rotating shaft 105, and the first hydraulic cylinder 104 is used for moving the expansion plates 103 along the length direction perpendicular to the first rotating shaft 105. A first discharge pipe penetrates through the bottom of the first shell 101 and is arranged at the top of the first screening device 11 in a penetrating mode. Still be provided with first baffle 107 in the first casing 101, it is provided with second pivot 109 to rotate on a lateral wall of first casing 101, first casing 101 still is provided with and is used for driving second pivot 109 around the length direction pivoted second motor 108 of second pivot 109, the one end and the second pivot 109 of first baffle 107 are connected, the other end downward sloping setting of first baffle 107, first casing 101 has seted up metal discharge gate 1011 on being close to the lateral wall of the one end of first baffle 107 downward sloping, metal discharge gate 1011 is provided with first screw conveyer, the discharge gate and the metal material storage device of first screw conveyer are connected. The bottom of the first shell 101 is provided with a first discharge pipe, and one end of the first discharge pipe, which is located outside the first shell 101, is connected with the first screening device 11. The other side wall of the first housing 101 is provided with a first stopper 1071, one end of the first baffle plate 107 inclined downward may abut against the first stopper 1071, and the first stopper 1071 is used for supporting the first baffle plate 107 in the process of discharging the metal object.
Specifically, before retrieving construction waste, the piston rod of the first hydraulic cylinder 104 is controlled to push the expansion plate 103 to move towards the direction close to the inside of the first shell 101, so that the two expansion plates 103 abut against the metal adsorption plate 102, the two expansion plates 103 support the metal adsorption plate 102, and meanwhile, the second motor 108 is controlled to drive the second rotating shaft 109 to rotate, so that the first baffle 107 rotates and fits on the side wall of the first shell 101, so that the electromagnet on the metal adsorption plate 102 is electrified to generate magnetic force on a metal object, the construction waste is guided into the first shell 101, the construction waste drops onto the metal adsorption plate 102 under the action of self gravity, the construction waste with a small volume is provided with a plurality of material passing ports on the metal adsorption plate 102 and drops onto the first discharge pipe, and the metal object in the construction waste is adsorbed onto the metal adsorption plate 102. Then the piston rod of the first hydraulic cylinder 104 is controlled to push the expansion plates 103 to move in the direction away from the inside of the first shell 101, so that the two expansion plates 103 are not abutted to the metal adsorption plate 102, the first motor 106 is controlled to work, the first motor 106 drives the first rotating shaft 105 to rotate, the metal adsorption plate 102 is turned over, and the construction waste on the metal adsorption plate 102 moves the first discharge pipe under the action of self gravity to fall to the first screening device 11. And then controlling a second motor 108 to drive a second rotating shaft 109 to rotate, enabling the first baffle plate 107 to rotate and enabling one end of the first baffle plate 107 to be abutted against the metal feeding hole, powering off the electromagnet, enabling the metal object to fall to the first baffle plate 107 under the action of self gravity and fall to a first spiral conveyor from a metal discharging hole 1011 along the first baffle plate 107, transporting the metal object to a metal material storage device by the first spiral conveyor for storage, finally controlling the first motor 106 to reset the metal adsorption plate 102, controlling the first hydraulic cylinder 104 to reset the expansion plate 103, and controlling the second motor 108 to reset the first baffle plate 107.
Referring to fig. 4, in some embodiments, the first screening device 11 includes a second housing 111, and the first discharge pipe is disposed through the second housing 111 at an end outside the first housing 101. A fine sand filter screen plate 112 is arranged in the second shell 111, the first discharge pipe is positioned above the fine sand filter screen plate 112, a vibration motor 113 is arranged on the fine sand filter screen plate 112, and one end of the fine sand filter screen plate 112 is arranged in a downward inclined mode. A screening discharge port 117 is formed in the side wall of the second shell 111, which is close to the bottommost end of the fine sand filter screen plate 112, a second screw conveyor is arranged at the bottom of the second shell 111, and a discharge port of the second screw conveyor is connected with a fine sand storage device. The screening discharge port 117 is further provided with an opening and closing door 114, two sides of the opening and closing door 114 are provided with second limiting slide rails 1151, the length direction of the second limiting slide rails 1151 is parallel to the vertical direction, and the second shell 111 is provided with a height adjusting piece 115 for adjusting the height of the opening and closing door 114 along the vertical direction. The height adjusting member 115 includes a limit slide rail 1151 and a fourth hydraulic cylinder 1152, one side of the opening/closing door 114 is disposed in the limit slide rail 1151, a piston rod of the fourth hydraulic cylinder 1152 extends in the vertical direction, and a piston rod of the fourth hydraulic cylinder 1152 is connected to the opening/closing door 114. Still wear to be equipped with dredging rod 116 on the second casing 111, dredging rod 116's length direction is parallel with vertical direction, dredging rod 116 is located the one end of second casing 111 and is provided with a plurality of first lugs along dredging rod 116's length direction, still be provided with first pneumatic cylinder 104 on the second casing 111, the piston rod of first pneumatic cylinder 104 is connected with dredging rod 116 is located the outer one end of second casing 111, the piston rod of first pneumatic cylinder 104 extends along dredging rod 116's length direction. The screening discharge port 117 is also provided with a third screw conveyor, the opening and closing door 114 is arranged between the screening discharge port 117 and the feed port of the third screw conveyor, and the discharge port of the third screw conveyor is connected with the coarse crushing device 12.
Specifically, before the construction waste from which metal is removed enters the second housing 111, the height adjusting member 115 lowers the height of the opening/closing door 114, so that the opening/closing door 114 covers the screening discharge hole 117. Building waste after the metal is sieved gets into in the second casing 111 from first discharging pipe under the effect of self gravity to drop to fine sand filter plate 112 on, vibrating motor 113 works, makes the grit pass through the hole that fine sand filters plate 112 and drops to second screw conveyer, and the grit that second screw conveyer sieved is transported to fine sand storage device and is saved. The height adjusting member 115 raises the height of the opening and closing door 114 again, so that the screened construction waste falls to the third screw conveyor under the action of its own weight and is transported to the coarse crushing device 12 by the third screw conveyor. In the process that the construction waste after screening drops to the third screw conveyer under the effect of self gravity, the first hydraulic cylinder 104 works to drive the dredging rod 116 to reciprocate along the vertical direction, so that the construction waste after screening is dredged, and the construction waste after screening is prevented from blocking the screening discharge hole 117.
Referring to fig. 5, in some embodiments, the coarse crushing device 12 includes a third housing 121, a discharge port of the third screw conveyor penetrates through a side wall of the third housing 121, a first pushing plate 122 is further disposed on the side wall of the third housing 121, the first pushing plate 122 is located below the discharge port of the first screw conveyor, a second hydraulic cylinder 123 is further disposed on the third housing 121, a piston rod of the second hydraulic cylinder 123 extends in a vertical direction, the piston rod of the second hydraulic cylinder 123 is connected to the first pushing plate 122, a crushing hammer 124 is disposed in the third housing 121, a plurality of second protrusions 1241 are disposed at a bottom of the crushing hammer 124, a connecting rod 125 is connected to a top of the crushing hammer 124, a length direction of the connecting rod 125 is parallel to the vertical direction, a third hydraulic cylinder 126 is further disposed on the third housing 121, a piston rod of the third hydraulic cylinder 126 extends in the vertical direction, and a piston rod of the third hydraulic cylinder 126 is connected to the connecting rod 125. A second discharge pipe 127 is further arranged at the bottom of the third shell 121 in a penetrating manner, a first electric control valve is arranged in the second discharge pipe 127, one end, located outside the third shell 121, of the second discharge pipe 127 is connected with a second screening device, a discharge port of the second screening device is connected with a fourth screw conveyor, a discharge port of the fourth screw conveyor is connected with a fine sand storage device, another discharge port of the second screening device is connected with a fifth screw conveyor, and a discharge port of the fifth screw conveyor is connected with the impurity screening device 15. In some embodiments, the configuration of the third screening device may correspond to the configuration of the first screening device 11.
Specifically, before the coarse crushing work is finished, the first electric control valve is controlled to be in a closed state. After the third screw conveyer transports the screened construction waste to the coarse crushing device 12, the second hydraulic cylinder 123 pushes the pushing plate to move along the vertical direction perpendicular to the vertical direction, so that the construction waste in the third shell 121 is pushed to be flat, and the construction waste is prevented from being accumulated at one corner. When carrying out coarse crushing, third pneumatic cylinder 126 work drives quartering hammer 124 and is reciprocating motion along vertical direction, carries out the hammering to the construction waste in third casing 121, broken construction waste, and a plurality of second lugs 1241 that the bottom of quartering hammer 124 set up are from carrying out the application of force to construction waste to a plurality of angles for quartering hammer 124's crushing effect is better. After the coarse crushing work is finished, the first electric control valve is controlled to be in an open state, coarse aggregates generated after the coarse crushing fall to the second screening device through the second discharge pipe 127, the coarse aggregates are screened by the second screening device, and fine sand in the coarse aggregates is transported to the fine sand storage device by the fourth screw conveyor to be stored. The screened coarse aggregate is transported to the impurity screening device 15 by a fifth screw conveyor.
Referring to fig. 6 and 7, in some embodiments, the impurity screening apparatus 15 includes a water washing tank 151, a water storage tank 152, and a drying member 153, a discharge port of the fifth screw conveyor is located above the water washing tank 151, and an impurity storage tank 154 is disposed at one side of the water washing tank 151. The rotation of rinsing pond 151 is provided with fourth pivot 1511, and fourth pivot 1511 coaxial coupling has impurity filter screen 1513, is provided with drive fourth pivot 1511 on rinsing pond 151 around fourth pivot 1511's axis pivoted fourth motor 1512, and many outlet pipes are worn to be equipped with in the bottom of rinsing pond 151, and many outlet pipes are connected with storage water tank 152, are provided with the water pump between many outlet pipes and the storage water tank 152, all are provided with the automatically controlled valve of second in many outlet pipes. A third discharge pipe is further arranged at the bottom of the washing tank 151 in a penetrating manner, and a third electric control valve is arranged in the third discharge pipe. Drying part 153 includes stoving case 1531 and band conveyer 1532, be provided with hot-blast drying part 153 in stoving case 1531, hot-blast drying part 153 is located band conveyer 1532's top, the third discharging pipe is located the top of band conveyer 1532's one end, band conveyer 1532's the other end still is provided with sixth screw conveyer and seventh screw conveyer, sixth screw conveyer's discharge gate and thin breaker 13 are connected, seventh screw conveyer's discharge gate and coarse aggregate storage device are connected.
Specifically, before the impurity screening work, water is stored in the water washing tank 151, the impurity filtering net 1513 is controlled to be attached to the side wall of the water washing tank 151, and the second electric control valve and the third electric control valve are both in a closed state. After being screened in the washing tank 151, the coarse aggregate is transported to the washing tank 151 by a fifth screw conveyer, and under the action of the buoyancy of water, the impurities with lighter mass such as plastics and wood are suspended on the water, and the fourth motor 1512 drives the fourth rotating shaft 1511 to rotate, so that the impurities with lighter mass such as plastics and wood suspended on the water are salvaged by the impurity filtering net 1513. Then open the second electrical control valve in many outlet pipes, the water pump extracts the water in the pond to the storage water tank 152 in through many outlet pipes, and the retaining in the pond is discharged completely to storage water tank 152 back, opens third electrical control valve, and the coarse aggregate after will accomplishing the impurity screening drops to band conveyer 1532 on through the third outlet pipe, and hot-blast stoving piece 153 in stoving case 1531 dries the coarse aggregate. And a part of the dried coarse aggregate is conveyed to the fine crushing device 13 by the sixth screw conveyor to be subjected to fine crushing work, and the other part of the aggregate is conveyed to the coarse aggregate storage device by the seventh screw conveyor to be stored. The sixth screw conveyor transports the coarse aggregate to the fine crusher 13.
Referring to fig. 8, in some embodiments, the fine crushing device 13 includes a fourth housing 131, a plurality of crushing rollers 132 are disposed in the fourth housing 131, the plurality of crushing rollers 132 are disposed in parallel with each other, side walls of the plurality of crushing rollers 132 are each provided with a third projection, the plurality of crushing rollers 132 are each located below a discharge port of the sixth screw conveyor, and a fourth discharge pipe is disposed through a bottom of the fourth housing 131. The fourth discharging pipe is connected with a third screening device, a discharging port of the third screening device is connected with an eighth screw conveyor, a discharging port of the eighth screw conveyor is connected with a fine sand storage device, another discharging port of the third screening device is connected with a ninth screw conveyor, a discharging port of the ninth screw conveyor is connected with a fine aggregate storage device, another discharging port of the second screening device is connected with a tenth screw conveyor, and a discharging port of the tenth screw conveyor is connected with the grinding device 14. In some embodiments, the configuration of the third screening device may correspond to the configuration of the first screening device 11.
Specifically, the sixth screw conveyor transports the coarse aggregate to the fourth shell 131, the coarse aggregate drops to the multiple crushing rollers 132 under the action of self gravity, the multiple crushing rollers 132 perform crushing work on the coarse aggregate, and the multiple third lugs apply force to the construction waste from multiple angles, so that the crushing effect of the crushing hammer 124 is better. And the fine aggregate generated after fine crushing falls into a third screening device through a fourth discharge pipe under the action of self gravity, the third screening device screens the fine aggregate, and the fine sand in the fine aggregate is transported to a fine sand storage device by an eighth screw conveyor for storage. After being screened, a part of the fine aggregate is conveyed to the impurity screening device 15 by the ninth screw conveyor, and the other part of the fine aggregate is conveyed to the grinding device 14 by the tenth screw conveyor for grinding.
Referring to fig. 9, in some embodiments, the milling device 14 includes a fifth casing 141 and a sixth casing 142, a discharge port of the nine-screw conveyer is disposed on a top of the fifth casing 141, a fourth rotating shaft 1511 is disposed in the fifth casing 141, a length direction of the fourth rotating shaft 1511 is parallel to a vertical direction, a plurality of crushing blades 146 are disposed on the fourth rotating shaft 1511 along the length direction of the fourth rotating shaft 1511, a fifth motor 144 is disposed on the fifth casing 141, an output shaft of the fifth motor 144 is coaxially connected to the fourth rotating shaft 1511, a fifth discharge pipe is disposed on a bottom of the fifth casing 141, one end of the fifth discharge pipe is disposed on the sixth casing 142, and a fifth electrically controlled valve is disposed in the fifth discharge pipe. A plurality of grinding rollers 145 are arranged in the sixth shell 142, the grinding rollers 145 are arranged in parallel, the grinding rollers 145 are located below the fifth discharge pipe, an eleventh spiral conveyor is arranged at the bottom of the sixth shell 142 in a penetrating mode, and a discharge port of the eleventh spiral conveyor is connected with the third screening device.
Specifically, the fifth electric control valve is controlled to be in a closed state, the tenth screw conveyor is controlled to convey the fine aggregate to the fifth shell 141, the fifth motor 144 drives the fourth rotating shaft 1511 to drive the plurality of crushing blades 146 to rotate at a high speed to crush the fine aggregate, the fifth electric control valve is controlled to be in an open state, the crushed fine aggregate falls into the sixth shell 142 under the action of self gravity, and the plurality of grinding rollers 145 grind the crushed fine aggregate to generate fine sand. The eleventh screw conveyor conveys the generated fine sand to the third screening device, the third screening device screens the generated fine sand, the fine aggregate which is not completely crushed is screened out, and the fine aggregate is conveyed to the grinding device 14 through the tenth screw conveyor for secondary grinding, so that the quality of the generated fine sand is improved.
In some embodiments, a construction waste recovery system 100 may further include a concrete generating device and a green brick generating device.
Referring to fig. 10, in some embodiments, the concrete generating apparatus includes a water storage tank 152, a first weighing member, a cement storage member, a second weighing member, a third weighing member, a fourth weighing member, an additive storage member, and a concrete mixing generating member, a discharge port of the fine sand storage device is connected to a feed port of the second weighing member, the cement storage member is connected to a feed port of the third weighing member, a discharge port of the coarse aggregate storage device is connected to a feed port of the fourth weighing member, a discharge port of the water storage tank 152 is connected to a feed port of the first weighing member, a discharge port of the additive storage member is connected to a feed port of the first weighing member, and a discharge port of the first weighing member and a discharge port of the second weighing member are both connected to a feed port of the concrete mixing generating member.
Specifically, cement, water, an additive (for example, a mineral admixture, nano aluminum nitride whiskers, nano zinc oxide, a polycarboxylic acid-based high-performance water reducing agent, and the like), coarse aggregate produced from construction waste, and fine sand produced from construction waste are weighed and proportioned by a first weighing member, a second weighing member, a third weighing member, and a fourth weighing member, respectively, and then introduced into a concrete stirring production member to be stirred to produce concrete. The concrete can comprise the following raw material components in parts by weight: 250 parts of cement 200-containing materials, 0-50 parts of fly ash, 0-30 parts of expanding agent, 0.5-1.0 part of hydroxypropyl methyl cellulose, 0.8-1.2 parts of redispersible latex powder, 5-8 parts of expandable polystyrene particles, 50-155 parts of construction waste materials and 200 parts of water 170-containing materials.
Referring to fig. 11, in some embodiments, the green brick generating device includes a clay powder storage member, a fifth weighing member, a sixth weighing member, a green brick stirring member, a vacuum brick extruding machine and a tunnel kiln, wherein a discharge port of the clay powder storage member is connected to the fifth weighing member, a discharge port of the fine aggregate storage device is connected to the sixth weighing member, a discharge port of the first weighing member, a discharge port of the second weighing member, a discharge port of the third weighing member, a discharge port of the fifth weighing member and a discharge port of the sixth weighing member are connected to the green brick stirring member, a discharge port of the green brick stirring member is connected to a feed port of the vacuum brick extruding machine, a discharge port of the vacuum brick extruding machine is used for extruding green bricks, and the tunnel kiln is used for drying the green bricks.
Specifically, cement, water, clay, fine aggregate generated by construction waste and fine sand generated by construction waste are respectively weighed and proportioned by a discharge hole of a first weighing piece, a discharge hole of a second weighing piece, a discharge hole of a third weighing piece, a discharge hole of a fifth weighing piece and a sixth weighing piece, then introduced into a green brick stirring piece for stirring and mixing, and then introduced into a vacuum brick extruding machine to generate green bricks, and a tunnel kiln is used for drying the green bricks.
The green brick generation by the green brick generation apparatus may comprise the steps of:
mixing materials: 3-4 percent of fine sand generated by construction waste and with the diameter less than 1mm, fine aggregate with the diameter of 1-4mm and clay powder which is crushed into particles with the diameter of less than 0.5mm according to the weight ratio: 2-3, adding water and stirring to prepare a uniform mixture;
aging: stacking and aging the mixture for more than 72 hours to ensure that the water content is below 15 percent, and stirring the mixed mixture for 0.5 to 1 hour again;
blank preparation: preparing the mixture after the secondary stirring into green bricks by adopting a vacuum brick extruding machine or a green brick making machine;
and (3) firing to obtain a finished product: putting the green bricks into a tunnel kiln, and drying by using the residual heat of the tunnel kiln; and firing in a tunnel kiln to obtain a finished product.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as expressed herein, by the teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A construction waste recovery system is characterized by comprising a metal removing device, a first screening device, a coarse crushing device, a fine crushing device, a grinding device, a fine sand storage device, a coarse aggregate storage device and a fine aggregate storage device, wherein a feed inlet is formed in the metal removing device, a discharge outlet of the metal removing device is connected with the first screening device, a discharge outlet of the first screening device is connected with the fine sand storage device, another discharge outlet of the first screening device is connected with the coarse crushing device, a discharge outlet of the coarse crushing device is connected with the fine crushing device, another discharge outlet of the coarse crushing device is connected with the coarse aggregate storage device, a discharge outlet of the fine crushing device is connected with the fine aggregate storage device, and another discharge outlet of the fine crushing device is connected with the grinding device, and the discharge hole of the grinding device is connected with the fine sand storage device.
2. The construction waste recycling system according to claim 1, further comprising a concrete generating device and a green brick generating device, wherein the discharge port of the coarse aggregate storage device and the discharge port of the coarse aggregate storage device are connected to the feed port of the concrete generating device, and the discharge port of the fine sand storage device and the discharge port of the fine aggregate storage device are connected to the feed port of the green brick generating device.
3. The construction waste recycling system according to claim 2, further comprising a metal material storage device, a second screening device and a foreign matter screening device, wherein the other discharge port of the metal removing device is connected with the metal material storage device;
the discharge gate of fine crushing device with the second screening plant is connected, a discharge gate of second screening plant with fine sand storage device connects, another discharge gate and the impurity sieving mechanism of second screening plant are connected, a discharge gate of impurity sieving mechanism with fine crushing device connects, another discharge gate of impurity sieving mechanism with coarse aggregate storage device connects.
4. The construction waste recycling system of claim 2, wherein the metal removing device comprises a first housing, the first housing is provided with a waste material inlet, a first rotating shaft is arranged in the first housing in a transmission manner, the length direction of the first rotating shaft is perpendicular to the vertical direction, a metal adsorption plate is arranged on the first rotating shaft, an electromagnet is arranged on the metal adsorption plate, and the metal adsorption plate is provided with a plurality of material passing openings;
the two sides of the first rotating shaft are provided with telescopic plates, the telescopic plates are inserted into the side wall of the first shell, the first shell is provided with a first hydraulic cylinder, a piston rod of the first hydraulic cylinder is connected with the telescopic plates, two sides of the telescopic plates are also provided with first limiting slide rails, the length direction of the first limiting slide rails is perpendicular to the length direction of the first rotating shaft, the first hydraulic cylinder is used for moving the telescopic plates along the length direction perpendicular to the first rotating shaft, and the first shell is also provided with a first motor used for driving the first rotating shaft to rotate along the first axial direction of the first rotating shaft;
a first discharge pipe penetrates through the bottom of the first shell, the first discharge pipe penetrates through the top of the first screening device, a first baffle is further arranged in the first shell, a second rotating shaft is rotatably arranged on one side wall of the first shell, the first shell is further provided with a second motor for driving the second rotating shaft to rotate around the length direction of the second rotating shaft, one end of the first baffle is connected with the second rotating shaft, the other end of the first baffle is arranged in a downward inclined manner, a metal discharge port is formed in the side wall of the first shell, which is close to the downward inclined end of the first baffle, and is provided with a first screw conveyor, and the discharge port of the first screw conveyor is connected with the metal material storage device;
the bottom of first casing is provided with first discharging pipe, first discharging pipe is located the outer one end of first casing with first screening plant is connected.
5. The construction waste recycling system of claim 2, wherein the first screening device comprises a second housing, a fine sand filter screen plate is arranged in the second housing, a vibration motor is arranged on the fine sand filter screen plate, one end of the fine sand filter screen plate is arranged in a downward inclined manner, a screening discharge port is formed in the side wall of the second housing, which is close to the bottom end of the fine sand filter screen plate, a second screw conveyor is arranged at the bottom of the second housing, and the discharge port of the second screw conveyor is connected with the fine sand storage device;
the screening discharge port is also provided with an opening and closing door, two sides of the opening and closing door are respectively provided with a second limiting slide rail, the length direction of the second limiting slide rail is parallel to the vertical direction, and the second shell is provided with a height adjusting piece for adjusting the height of the opening and closing door along the vertical direction;
a dredging rod is further arranged on the second shell in a penetrating mode, the length direction of the dredging rod is parallel to the vertical direction, one end, located in the second shell, of the dredging rod is provided with a plurality of first protruding blocks along the length direction of the dredging rod, a first hydraulic cylinder is further arranged on the second shell, a piston rod of the first hydraulic cylinder is connected with one end, located outside the second shell, of the dredging rod, and a piston rod of the first hydraulic cylinder extends along the length direction of the dredging rod;
still be provided with third screw conveyer on the screening discharge gate, the setting of opening and shutting is in the screening discharge gate with between third screw conveyer's the feed inlet, third screw conveyer's discharge gate with coarse crushing device is connected.
6. The construction waste recycling system of claim 3, wherein the coarse crushing device comprises a third housing, a first pushing plate is arranged on a side wall of the third housing, a second hydraulic cylinder is further arranged on the third housing, a piston rod of the second hydraulic cylinder extends in a direction perpendicular to a vertical direction, the piston rod of the second hydraulic cylinder is connected with the first pushing plate, a crushing hammer is arranged in the third housing, a plurality of second protruding blocks are arranged at the bottom of the crushing hammer, a connecting rod is connected to the top of the crushing hammer, the length direction of the connecting rod is parallel to the vertical direction, a third hydraulic cylinder is further arranged on the third housing, a piston rod of the third hydraulic cylinder extends in the vertical direction, and a piston rod of the third hydraulic cylinder is connected with the connecting rod;
the bottom of third casing still wears to be equipped with the second discharging pipe, the second discharging pipe is located the outer one end of third casing is connected with second screening plant, a discharge gate of second screening plant is connected with fourth screw conveyer, fourth screw conveyer's discharge gate with fine sand storage device connects, another discharge gate of second screening plant is connected with fifth screw conveyer, fifth screw conveyer's discharge gate with impurity sieving mechanism connects.
7. The construction waste recovery system as claimed in claim 6, wherein the impurity screening device comprises a washing tank, a water storage tank and a drying part, a fifth rotating shaft is arranged on the washing tank in a rotating manner, the fifth rotating shaft is coaxially connected with an impurity filtering net, a fourth motor for driving the fifth rotating shaft to rotate around the axis of the fifth rotating shaft is arranged on the washing tank, a plurality of water outlet pipes penetrate through the bottom of the washing tank, the plurality of water outlet pipes are connected with the water storage tank, and a third material outlet pipe penetrates through the bottom of the washing tank;
the drying part comprises a drying box and a belt conveyor, a hot air drying part is arranged in the drying box and is positioned above the belt conveyor, the third discharge pipe is positioned above one end of the belt conveyor, a sixth screw conveyor and a seventh screw conveyor are further arranged at the other end of the belt conveyor, a discharge port of the sixth screw conveyor is connected with the fine crushing device, and a discharge port of the seventh screw conveyor is connected with the coarse aggregate storage device;
the fine crushing device comprises a fourth shell, a plurality of crushing rollers are arranged in the fourth shell, the crushing rollers are arranged in parallel, the side walls of the crushing rollers are provided with third convex blocks, the crushing rollers are positioned below the discharge hole of the sixth screw conveyer, a fourth discharge pipe penetrates through the bottom of the fourth shell, the fourth discharge pipe is connected with a third screening device, one discharge port of the third screening device is connected with an eighth screw conveyor, the discharge port of the eighth screw conveyor is connected with the fine sand storage device, the other discharge port of the third screening device is connected with a ninth screw conveyor, the discharge port of the ninth screw conveyor is connected with the fine aggregate storage device, and the other discharge port of the second screening device is connected with a tenth screw conveyor, and the discharge port of the tenth screw conveyor is connected with the grinding device.
8. The construction waste recycling system according to claim 7, wherein the grinding device comprises a fifth housing and a sixth housing, a fourth rotating shaft is arranged in the fifth housing, the length direction of the fourth rotating shaft is parallel to the vertical direction, a plurality of crushing blades are arranged on the fourth rotating shaft along the length direction of the fourth rotating shaft, a fifth motor is arranged on the fifth housing, the output shaft of the fifth motor is coaxially connected with the fourth rotating shaft, a fifth discharging pipe is arranged at the bottom of the fifth housing in a penetrating manner, and one end of the fifth discharging pipe is arranged on the sixth housing in a penetrating manner;
a plurality of grinding rollers are arranged in the sixth shell in parallel, the grinding rollers are located below the fifth discharge pipe, an eleventh spiral conveyor is arranged at the bottom of the sixth shell in a penetrating mode, and a discharge port of the eleventh spiral conveyor is connected with the third screening device.
9. The construction waste recycling system according to any one of claims 2 to 8, it is characterized in that the concrete generating device comprises a water storage tank, a first weighing part, a cement storage part, a second weighing part, a third weighing part, a fourth weighing part, an additive storage part and a concrete stirring generating part, a discharge hole of the fine sand storage device is connected with a feed inlet of the second weighing part, the cement storage part is connected with a feed inlet of the third weighing part, the discharge hole of the coarse aggregate storage device is connected with the feed inlet of the fourth weighing part, the discharge hole of the water storage tank is connected with the feed inlet of the first weighing part, the discharge port of the additive storage part is connected with the feed port of the first weighing part, and the discharge port of the first weighing part and the discharge port of the second weighing part are both connected with the feed port of the concrete stirring generation part.
10. The construction waste recycling system of claim 9, wherein the green brick generating device comprises a clay powder storage member, a fifth weighing member, a sixth weighing member, a green brick stirring member, a vacuum brick extruding machine and a tunnel kiln, wherein a discharge port of the clay powder storage member is connected with the fifth weighing member, a discharge port of the fine aggregate storage device is connected with the sixth weighing member, a discharge port of the first weighing member, a discharge port of the second weighing member, a discharge port of the third weighing member, a discharge port of the fifth weighing member and a discharge port of the sixth weighing member are connected with the green brick stirring member, a discharge port of the green brick stirring member is connected with a feed port of the vacuum brick extruding machine, a discharge port of the vacuum brick extruding machine is used for extruding green bricks, and the tunnel kiln is used for drying green bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853335.8A CN113522935A (en) | 2021-07-27 | 2021-07-27 | Construction waste recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853335.8A CN113522935A (en) | 2021-07-27 | 2021-07-27 | Construction waste recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN113522935A true CN113522935A (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110853335.8A Withdrawn CN113522935A (en) | 2021-07-27 | 2021-07-27 | Construction waste recovery system |
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| Country | Link |
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| CN (1) | CN113522935A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377814A (en) * | 2021-12-30 | 2022-04-22 | 常熟市天和砼有限公司 | Production equipment and processing technology of recycled concrete |
| CN118721422A (en) * | 2024-09-04 | 2024-10-01 | 浙江宏丰炉料有限公司 | A device and method for producing a long-life ladle slag line repair material using solid waste recycling |
-
2021
- 2021-07-27 CN CN202110853335.8A patent/CN113522935A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377814A (en) * | 2021-12-30 | 2022-04-22 | 常熟市天和砼有限公司 | Production equipment and processing technology of recycled concrete |
| CN118721422A (en) * | 2024-09-04 | 2024-10-01 | 浙江宏丰炉料有限公司 | A device and method for producing a long-life ladle slag line repair material using solid waste recycling |
| CN118721422B (en) * | 2024-09-04 | 2024-12-10 | 浙江宏丰炉料有限公司 | A device and method for producing a long-life ladle slag line repair material using solid waste recycling |
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Application publication date: 20211022 |
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| WW01 | Invention patent application withdrawn after publication |