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CN117380705A - System and process for recycling light excess materials of construction waste - Google Patents

System and process for recycling light excess materials of construction waste Download PDF

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Publication number
CN117380705A
CN117380705A CN202311337546.1A CN202311337546A CN117380705A CN 117380705 A CN117380705 A CN 117380705A CN 202311337546 A CN202311337546 A CN 202311337546A CN 117380705 A CN117380705 A CN 117380705A
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CN
China
Prior art keywords
box
winnowing
selection
piston
recycling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202311337546.1A
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Chinese (zh)
Other versions
CN117380705B (en
Inventor
夏志勇
吕一诺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shunyuda Environmental Technology Group Co ltd
Shaoxing Lvzhan Environmental Protection Co ltd
Original Assignee
Zhejiang Shunyuda Environmental Technology Group Co ltd
Shaoxing Lvzhan Environmental Protection Co ltd
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Application filed by Zhejiang Shunyuda Environmental Technology Group Co ltd, Shaoxing Lvzhan Environmental Protection Co ltd filed Critical Zhejiang Shunyuda Environmental Technology Group Co ltd
Priority to CN202311337546.1A priority Critical patent/CN117380705B/en
Publication of CN117380705A publication Critical patent/CN117380705A/en
Application granted granted Critical
Publication of CN117380705B publication Critical patent/CN117380705B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/35Shredding, crushing or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/32Compressing or compacting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02Straining or screening the pulp
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/75Plastic waste
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/85Paper; Wood; Fabrics, e.g. cloths

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

The invention discloses a recycling system of light surplus materials of construction waste, which comprises a drying room, a crusher and a particle screening machine, wherein the drying room, the crusher and the particle screening machine are sequentially arranged, a feeding conveyor belt is arranged at the position of the drying room in a penetrating way, the dried light surplus materials can be fed into the crusher through the feeding conveyor belt, the particle surplus materials crushed by the crusher are conveyed to the particle screening machine for screening through a pipeline, the particle screening machine comprises a winnowing mechanism and a flotation mechanism, the winnowing mechanism is arranged as a front channel of the flotation mechanism, the winnowing mechanism is connected with a paper pulp preparation machine, and the flotation mechanism is connected with a plastic recycling line and a plate-and-frame filter press.

Description

System and process for recycling light excess materials of construction waste
Technical Field
The invention relates to the technical field of harmless treatment of construction waste, in particular to a system and a process for recycling light excess materials of construction waste.
Background
The construction waste is waste produced in the building decoration or dismantling process, and comprises broken bricks, plastic pipe fittings (wire pipes, water pipes and the like), waste paper (building material packaging paper, wallpaper and the like) and the like, the method for domestic treatment of the construction waste at present is to screen and separate heavy materials from light materials (the heavy materials comprise large broken bricks, metal materials and other single heavy main materials which are picked up manually or by a machine, the light materials comprise plastic pipe fittings, waste paper, brick residues and other light mixed residual materials which are picked up manually or by a machine), the heavy materials can be reused as raw materials in the industries of brick making, smelting and the like, the light materials have high screening cost because of mixed components, but only have the advantage of low cost in incineration treatment, the waste incineration easily causes environmental problems (smoke emission and the like), and a large amount of available materials exist in the light residual materials, so that the resource waste is serious, and the method for treating the light residual materials of the construction waste has the problem of low comprehensive utilization rate of resources.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a system and a process for recycling light excess materials of construction waste.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a building rubbish light clout recycling system, includes stoving room, breaker and granule sieve separator, stoving room, breaker and granule sieve separator are arranged in proper order, the feeding conveyer belt is installed in the stoving room position link up, install a plurality of drying-machine on the stoving room, in the breaker can be sent into to the light clout after drying through the feeding conveyer belt, granule clout after the breaker breakage is carried the granule sieve separator through the pipeline and is screened, the granule sieve separator includes selection by winnowing mechanism and flotation mechanism, selection by winnowing mechanism sets up to the preceding way of flotation mechanism, selection by winnowing mechanism is connected with paper pulp preparation machine, flotation mechanism is connected with plastics retrieval and utilization line and plate frame filter press.
The flotation mechanism includes the flotation tank, pneumatic separation mechanism fixed mounting is in flotation tank top position, pneumatic separation mechanism includes selection by winnowing platform, box frame and air separation case, box frame fixed mounting is on the selection by winnowing platform, the selection by winnowing case rotates to be installed on the box frame, install swing actuating mechanism on the selection by winnowing platform, swing actuating mechanism is connected with the transmission of selection by winnowing case, can drive the selection by winnowing case and do side-to-side swing motion, the selection by winnowing case is hollow structure, and the split dodge gate is installed at its top, symmetrical connection has air-supply line and play tuber pipe on the selection by winnowing case lateral wall, feed mechanism is installed to the position above the selection by winnowing case, be connected with output controller on the selection by winnowing case bottom surface, be connected with the selection by winnowing back material output tube on the output controller, the magnetic control subassembly is still installed to the selection by winnowing platform, magnetic control subassembly can form the magnetic attraction cooperation with output controller.
The swing driving mechanism comprises a push rod assembly and a push rod driving assembly, the two push rod assemblies are symmetrically arranged on two sides of the box body frame, the push rod assemblies comprise guide sleeves and top box push rods, the guide sleeves are fixedly arranged on the winnowing platform through brackets, the top box push rods are inserted into the guide sleeves in a penetrating mode, the top ends of the top box push rods are in contact with the bottom surface of the winnowing box, the push rod driving assembly is in transmission connection with the two push rod assemblies and can drive the two top box push rods to move up and down at the same time, and the two top box push rods can move up and down alternately under the driving effect to form the left-right swinging movement effect of the winnowing box.
The ejector rod driving assembly comprises bearing seats, a rotating shaft and a motor, wherein the two bearing seats are arranged in parallel, the rotating shaft is rotatably arranged on the two bearing seats, two ends of the rotating shaft are respectively connected with a driving cam, the two driving cams are respectively arranged and installed corresponding to two top box push rods, the bottom ends of the top box push rods are in contact with the outer edge wall of the driving cams, the two driving cams are arranged in a concave-convex staggered mode, a transmission gear is fixedly connected to the central position of the rotating shaft, and the output end of the motor is connected with a driving gear which is meshed with the transmission gear.
The feeding mechanism comprises a feeding pipe and an inserting pipe pushing cylinder, the inserting pipe pushing cylinder is fixedly arranged at the upper position of the winnowing box, the feeding pipe is connected with a piston rod end of the inserting pipe pushing cylinder, the feeding pipe can be driven by the inserting pipe pushing cylinder to do up-and-down lifting motion, the top of the winnowing box is provided with an inward-turning one-way door, and when the feeding pipe goes downwards, the top of the winnowing box can prop up the inward-turning one-way door to be inserted into the winnowing box.
The output controller comprises a piston pipe and a piston push rod, wherein the piston pipe is connected to the bottom surface of the winnowing box, the piston pipe can be communicated with the winnowing box, a control piston and a spring are arranged in the piston pipe, the control piston is pressed on the spring, the piston push rod is inserted on the piston pipe, one end of the piston push rod is connected with the control piston, the other end of the piston push rod extends to the outer side of the piston pipe, the selected material output pipe is connected to the outer wall of the piston pipe, and the control piston can keep a state of sealing the selected material output pipe under the condition that the piston push rod is not stressed and influenced by the elastic action of the spring.
The magnetic control assembly comprises a magnet mounting frame and an electromagnet, wherein the electromagnet is fixedly mounted on the magnet mounting frame, the electromagnet is mounted and arranged corresponding to a motion track line of the output controller, and when the electromagnet is electrified, the electromagnet can attract the extension end of the piston push rod so as to achieve the purpose of pulling the piston push rod.
The flotation tank is internally provided with clear water, the outlet end of the selected material output pipe extends to the upper position of the flotation tank, a suspended material salvaging transmission belt is arranged at the top of the flotation tank, a salvaging scraper is connected to the suspended material salvaging transmission belt, the bottom end of the salvaging scraper can be immersed in water, the salvaging scraper can scrape water surface to run, the side wall of the flotation tank is connected with a floating material output port, the suspended material salvaging transmission belt extends to the position of the floating material output port, an arc-shaped seat and a blanking channel are arranged in the floating material output port, the radian of the arc-shaped seat is matched with the movement track of the salvaging scraper, a floating material collecting box is arranged on the side of the flotation tank, and the floating material collecting box is arranged at the position below the blanking channel.
The outlet end of the pulp preparation machine is provided with a pulp outlet filter screen, a round bib is wound on the outer wall of the pulp preparation machine, and the bib covers the pulp outlet filter screen area.
A recycling process of light excess building rubbish is realized by using a recycling system of the light excess building rubbish, and comprises the following process steps:
a) The light remainder of the construction waste is transported through a feeding conveyor belt, and firstly passes through a drying room to finish drying of the materials in the circulation;
b) The dried materials are conveyed to a crusher through a feeding conveyor belt in a circulating way, and the materials with different shapes and sizes are crushed into granular materials through the crusher;
c) Conveying the crushed granular materials into a particle screening machine for screening;
d) Screening by a winnowing mechanism, wherein light particles are blown to be discharged along with wind in the swinging process of the winnowing box under the action of breeze, the discharged light particles are intensively conveyed to a pulp preparation machine, medium-quality particles and heavy-quality particles are left in the winnowing box, and then are output to a flotation mechanism for secondary screening through a selected material output pipe;
e) In the flotation tank, medium-quality particles can suspend on the water surface, heavy-quality particles can sink on the water bottom, suspended medium-quality particles can be output and collected through the operation of a suspended matter salvage transmission belt, the collected particles are conveyed to a plastic recycling line for reprocessing, and the heavy-quality particles after being salvaged can be conveyed to a plate-and-frame filter press for reprocessing.
The beneficial effects of the invention are as follows: the invention adopts the particle screening machine to solve the material screening problem in the light residue, and various screened materials can be separated and recycled.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of the main structure of the particle screening machine of the present invention;
FIG. 3 is a transmission structure diagram of the winnowing box in a swinging state;
fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is a top view of the ejector pin drive assembly of the present invention;
FIG. 6 is a schematic diagram of the flotation mechanism of the present invention;
fig. 7 is a schematic structural view of the pulp making machine of the present invention.
In the figure: drying room 1, feed conveyor 11, dryer 12, crusher 2, particle screening machine 3, air separation mechanism 4, air separation platform 41, box frame 42, air separation box 43, split door 431, air inlet pipe 432, air outlet pipe 433, swing drive mechanism 44, ejector pin assembly 441, guide sleeve 4411, ejector pin push rod 4412, ejector pin drive assembly 442, bearing housing 4421, rotating shaft 4422, drive cam 4423, drive gear 4424, motor 4425, drive gear 4426, feed mechanism 45, feed pipe 451, insertion tube push cylinder 452, output controller 46, post-selection output pipe 461, piston pipe 462, stop collar 4621, control piston 463, spring 464, piston push rod, magnetic control assembly 47, magnet mounting frame 471, electromagnet 472, flotation mechanism 5, flotation box 51, suspension salvage conveyor 52, scraper 521, material output port 53, arc base 531, blanking channel 532, float material collection box 54, pulp preparation machine 6, pulp filter 61, bib 62, plastic recycling line 7, thermal mill 71, extruder 72, plate frame 8.
Detailed Description
The invention is further described with reference to the drawings and detailed description, wherein the description of the invention such as "left" and "right" is directed with reference to fig. 1:
as shown in fig. 1 to 7, a light surplus material recycling system for construction waste comprises a drying room 1, a crusher 2 and a particle screening machine 3, wherein the drying room 1, the crusher 2 and the particle screening machine 3 are sequentially arranged, a feeding conveyor belt 11 is arranged at the position of the drying room 1 in a penetrating way, a plurality of dryers 12 are arranged on the drying room 1, the dryers 12 can be connected into a factory waste heat recycling system, the light surplus material for construction waste is conveyed by the feeding conveyor belt 11 to form dry materials after passing through the drying room 1 so as to match with the subsequent crushing operation, the dried light surplus material can be fed into the crusher 2 by the feeding conveyor belt 11, materials with different shapes and different sizes are effectively crushed in the crusher 2 to form particle crushed aggregates, the particle residue crushed by the crusher 2 is conveyed to the particle screening machine 3 through a pipeline for screening (the particle residue crushed by the crusher 2 is a mixture formed by various materials, so that screening is needed), the particle screening machine 3 comprises a winnowing mechanism 4 and a flotation mechanism 5, the winnowing mechanism 4 is arranged as a front passage of the flotation mechanism 5, when screening is carried out, winnowing is carried out firstly, then flotation is carried out, the mixture before screening mainly comprises crushed paper particles, plastic particles and crushed stone particles, the particle screening machine 3 of the invention can effectively separate the three types of particles to realize separated output recycling, the winnowing mechanism 4 mainly can separate the crushed paper particles, therefore, the winnowing mechanism 4 is connected with a pulp preparation machine 6, the screened crushed paper particles are conveyed into the pulp preparation machine 6 to prepare pulp, the pulp can be produced into recycled paper, the flotation mechanism 5 is connected with a plastic recycling line 7 and a plate frame filter press 8, the flotation mechanism 5 can separate plastic particles and crushed stone particles, the plastic particles are output to the plastic recycling line 7 to be made into recycling plastic (the plastic recycling line 7 comprises a heat mill 71 and an extruder 72, the plastic particles are firstly melted into plastic liquid and then extruded into plastic raw material rods), the crushed stone particles are output to the plate-and-frame filter press 8 for filter pressing to form dry stone powder, and the dry stone powder can be applied to the production of environment-friendly bricks.
As shown in fig. 2, the flotation mechanism 5 comprises a flotation tank 51, the air separation mechanism 4 is fixedly arranged above the flotation tank 51, the air separation mechanism 4 comprises an air separation platform 41, a tank frame 42 and an air separation tank 43, the air separation platform 41 is arranged on the flotation tank 51 in a frame mode, the tank frame 42 is fixedly arranged on the air separation platform 41, the air separation tank 43 is rotatably arranged on the tank frame 42, the air separation platform 41 is provided with a swinging driving mechanism 44, the swinging driving mechanism 44 is in transmission connection with the air separation tank 43 and can drive the air separation tank 43 to do left-right swinging movement, the air separation tank 43 is of a hollow structure, a split movable door 431 is arranged at the top of the air separation box 43, particles to be screened are filled into the air separation tank 43 from the position of the split movable door 431 and are received in the air separation tank 43, an air inlet pipe 432 and an air outlet pipe 433 are symmetrically connected to the side wall of the air inlet pipe 432, light particles blown by the light wind can be fed into the air flow through the air outlet pipe 433, the feeding mechanism 45 is arranged above the winnowing box 43, the feeding of the winnowing box 43 is realized through the feeding mechanism 45, the bottom surface of the winnowing box 43 is connected with the output controller 46, the output controller 46 is connected with the selected material output pipe 461, the output controller 46 is used for controlling the opening and closing of the selected material output pipe 461, the winnowing platform 41 is also provided with the magnetic control component 47, the magnetic control component 47 can form magnetic attraction fit with the output controller 46, after the magnetic attraction fit is formed, the output controller 46 can only control the opening of the selected material output pipe 461, the winnowing mechanism 4 of the invention realizes the screening function by utilizing the characteristic that the weights of different material particles are different, the breeze fed by the air inlet pipe 432 is set to only blow the lightest crushed paper particles (the mixture mainly comprises crushed paper particles, plastic particles and crushed stone particles, and the crushed paper particles are lightest), in order to ensure the sufficiency of screening, the invention designs the winnowing box 43 into a swinging structure, during swinging, the particle mixture continuously rolls left and right, so that the crushed paper particles mixed in the mixture can be blown up and output by wind at maximum opportunity, after a plurality of times of swinging movement, the swinging is stopped under the condition of ensuring the sufficiency of screening, the output controller 46 is controlled by the magnetic control component 47 to open the selected material output pipe 461, the screened mixture outputs (the broken stone particles and the plastic particles are remained), and the output to the flotation mechanism 5 for secondary screening.
As shown in fig. 2-5, the swing driving mechanism 44 includes a ram assembly 441 and a ram driving assembly 442, the ram assemblies 441 are symmetrically installed at two sides of the box frame 42, the ram assembly 441 includes a guide sleeve 4411 and a ram push rod 4412, the guide sleeve 4411 is fixedly installed on the air separation platform 41 through a bracket, the ram push rod 4412 is inserted into the guide sleeve 4411 in a penetrating manner, the guide sleeve 4411 guides the ram push rod 4412 to move up and down, the top ends of the ram push rod 4412 are contacted with the bottom surface of the air separation box 43, the ram driving assembly 442 is in transmission connection with the ram assemblies 441, the ram push rods 4412 can be driven to move up and down simultaneously, and the ram push rods 4412 can alternately move up and down under the driving action, so that the left and right swing motion effect of the air separation box 43 can be formed, and the materials in the air separation box 43 can roll in a slope manner in the case of swing, and the crushed paper particles can be exposed from the mixture and be blown out by micro wind during rolling.
As shown in fig. 2-5, the ejector rod driving assembly 442 includes a bearing seat 4421, a rotation shaft 4422 and a motor 4425, the two bearing seats 4421 are installed in parallel, the rotation shaft 4422 is rotatably installed on the two bearing seats 4421, two ends of the rotation shaft 4422 are respectively connected with a driving cam 4423, the two driving cams 4423 are installed corresponding to two top box push rods 4412, the bottom ends of the top box push rods 4412 are in contact with the outer edge walls of the driving cams 4423, the two driving cams 4423 are installed in a concave-convex staggered manner, a transmission gear 4424 is fixedly connected to the central position of the rotation shaft 4422, the output end of the motor 4425 is connected with a driving gear 4426, the driving gear 4426 is meshed with the transmission gear 4424, and when the motor 4425 is started, the rotation of the rotation shaft 4422 is driven by the meshing effect of the driving gear 4426 and the transmission gear 4424, so that synchronous rotation of the two driving cams 4423 is realized, and one is just a concave point when the two driving cams 4423 are in a convex-concave staggered manner, and then the other is just concave point when the two driving cams are in a convex-concave point, and the top box push rods 4412 are in correspondence to the air box 43, and the motion of the box 43 is formed.
As shown in fig. 2 and 3, the feeding mechanism 45 includes a feeding pipe 451 and a pipe pushing cylinder 452, the pipe pushing cylinder 452 is fixedly installed at a position above the air separation box 43, the feeding pipe 451 is connected to a piston rod end of the pipe pushing cylinder 452, the feeding pipe 451 can be driven by the pipe pushing cylinder 452 to move up and down, the top of the air separation box 43 is provided with a half-turn one-way door, the half-turn one-way door 431 is adopted, the inlet is automatically closed under the condition of no stress, a seal is formed, when feeding is needed, the air separation box 43 moves to a horizontal state, the feeding pipe 451 is driven to move down, the half-turn one-way door 431 can be jacked after the feeding pipe 451 moves down, the half-turn one-way door 431 is inserted into the air separation box 43, after feeding operation is completed, the feeding pipe 451 is driven to move up by the pipe pushing cylinder 452 to be separated from the air separation box 43, and swing motion of the air separation box 43 is not affected.
As shown in fig. 3 and 4, the output controller 46 includes a piston tube 462 and a piston push rod 465, the piston tube 462 is connected to the bottom surface of the air separation box 43, the piston tube 462 can be communicated with the air separation box 43, a control piston 463 and a spring 464 are installed in the piston tube 462, the control piston 463 is press-fitted on the spring 464, the piston push rod 465 is inserted on the piston tube 462, one end of the piston push rod 465 is connected with the control piston 463, the other end extends to the outside of the piston tube 462, the post-selection material output tube 461 is connected to the outer wall of the piston tube 462, under the influence of the elastic force of the spring 464, the control piston 463 is pushed upwards by the spring force of the spring 464, the top of the piston tube 462 is connected with a limiting ring 4621, the control piston 463 is pushed against the limiting ring 4621, the control piston 463 is flush with the inner bottom wall of the air separation box 43, at this time, the control piston 463 can keep the state of closing the post-selection material output tube 461, and the air separation box 43 can perform continuous swinging motion at this time, so as to complete the air separation operation.
As shown in fig. 3, the magnetic control assembly 47 includes a magnet mounting frame 471 and an electromagnet 472, the electromagnet 472 is fixedly mounted on the magnet mounting frame 471, the electromagnet 472 is mounted corresponding to a motion track line of the output controller 46, the electromagnet 472 is not electrified at ordinary times, after the air separation operation is completed, the air separation box 43 swings to the position of the electromagnet 472, the output controller 46 is moved to correspond to the electromagnet 472, at this time, the electromagnet 472 is electrified, the electromagnet 472 generates a large magnetic force to attract the extension end of the piston push rod 465, so as to achieve the purpose of pulling the piston push rod 465, the piston push rod 465 moves towards the electromagnet 472 under the action of the magnetic force, drives the control piston 463 to compress the spring 464, exposes a communication channel of the selected material output tube 461 to open a discharge, after the discharge is completed, the control piston 463 is reset by the reaction force of the spring 464, and the selected material output tube 461 is closed again.
As shown in fig. 6, the flotation tank 51 is filled with clean water, the outlet end of the selected material output pipe 461 extends to the position above the flotation tank 51, the separated material is conveyed and scattered into the flotation tank 51 through the selected material output pipe 461, the flotation tank 51 screens materials by utilizing the buoyancy principle, as the separated material consists of plastic particles and crushed stone particles, the plastic particles are not fused with water and can be suspended on the water surface, the crushed stone particles can sink to the water bottom (form a mud layer), a suspended material salvaging transmission belt 52 is arranged at the top of the flotation tank 51, a salvaging scraper 521 is connected to the suspended material salvaging transmission belt 52, the suspended material salvaging transmission belt 52 drives the salvaging scraper 521 to circularly move, the bottom end of the salvaging scraper 521 can be immersed in the water, the salvaging scraper 521 can scrape the water surface to carry out suspended particles, the suspended material, the side wall of the flotation tank 51 is connected with a floating material output 53, the suspended material salvaging transmission belt 52 extends to the position of the floating material output 53, an arc-shaped seat 531 and a blanking channel 532 are arranged in the floating material output 53, the arc-shaped seat 531 is matched with the movement track of the salvaging scraper 521, the suspended material salvaging scraper 521 does not influence the circulating motion of the scraper 521, the suspended material can be guaranteed to be separated by the suspended material collecting hole 54 by the suspended material, the suspended material can be collected by the suspended material collecting hole 54 by the suspended material, the suspended material can be quickly arranged at the position of the upper side of the floating material collecting hole 54, and the suspended material collecting hole 54 can be separated by the suspended material collecting the suspended material, and the suspended material can be separated by the suspended material. The plastic particles can be reused in the plastic recycling line 7.
As shown in fig. 7, the pulp outlet filter screen 61 is installed at the outlet end of the pulp preparation machine 6, a round of bib 62 is wound on the outer wall of the pulp preparation machine 6, the bib 62 covers the pulp outlet filter screen 61 area, the pulp preparation machine 6 can prepare pulp, the pulp is filtered and output through the pulp outlet filter screen 61, the bib 62 receives and outputs the output pulp, and after the crusher 2 is crushed, the thin film fragments are still lighter due to the possible existence of plastic thin film garbage in the light residue of construction waste, and can be output along with wind selection, so that wind selection is polluted, the wind selection needs to be made into pulp, and when the pulp is produced by stirring, the plastic film cannot be made into pulp, so that the plastic film garbage can be filtered through filtration, and the quality of the produced pulp is ensured.
A recycling process of light excess building rubbish is realized by using a recycling system of the light excess building rubbish, and comprises the following process steps:
a) The light excess material of the construction waste is transported in a circulating way through a feeding conveyor belt 11, firstly passes through a drying room 1, and is dried in the circulating way, and the drying is provided by adopting factory production waste heat so as to realize environment-friendly cost-reducing production;
b) The dried materials are conveyed to the crusher 2 in a circulating way through the feeding conveyor belt 11, the materials with different shapes and sizes are crushed into granular materials through the crusher 2, and the particle diameter is 5-8 mm, so that the weight distinguishing effect can be ensured;
c) Conveying the crushed granular materials into a particle screening machine 3 for screening;
d) Screening by a winnowing mechanism 4, wherein light particles are blown to be discharged along with wind in the swinging process of a winnowing box 43, the discharged light particles are intensively conveyed to a pulp preparation machine 6 to be made into pulp for recycling, medium-quality particles and heavy-quality particles are left in the winnowing box 43, and then are output to a flotation mechanism 5 for secondary screening by a selected material output pipe 461;
e) In the flotation tank 51, medium-quality particles are suspended on the water surface, heavy-quality particles are submerged in the water surface, suspended medium-quality particles can be output and collected through the operation of the suspended matter salvage conveyor belt 52, the collected particles are conveyed to the plastic recycling line 7 for reprocessing, and the submerged heavy-quality particles can be conveyed to the plate-and-frame filter press 8 for reprocessing after being salvaged.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (10)

1. The utility model provides a light clout recycling system of building rubbish, includes stoving room (1), breaker (2) and granule sieve separator (3), its characterized in that: drying room (1), breaker (2) and granule sieve separator (3) are arranged in proper order, feeding conveyer belt (11) are installed in link up in drying room (1) position, install a plurality of drying-machine (12) on drying room (1), in can sending into breaker (2) with the light clout after the stoving through feeding conveyer belt (11), granule clout after breaker (2) breakage carries granule sieve separator (3) through the pipeline and screens, granule sieve separator (3) include selection by winnowing mechanism (4) and flotation mechanism (5), selection by winnowing mechanism (4) set up to the preceding way of flotation mechanism (5), selection by winnowing mechanism (4) are connected with paper pulp preparation machine (6), flotation mechanism (5) are connected with plastics retrieval and utilization line (7) and plate frame filter press (8).
2. A system for recycling lightweight waste of construction waste according to claim 1, wherein: flotation mechanism (5) are including flotation tank (51), selection by winnowing mechanism (4) fixed mounting is in flotation tank (51) top position, selection by winnowing mechanism (4) are including selection by winnowing platform (41), box frame (42) and wind selection box (43), box frame (42) fixed mounting is on selection by winnowing platform (41), selection by winnowing box (43) are rotated and are installed on box frame (42), install swing actuating mechanism (44) on selection by winnowing platform (41), swing actuating mechanism (44) are connected with selection by winnowing box (43) transmission, can drive selection by winnowing box (43) do side-to-side swing motion, selection by winnowing box (43) are hollow structure, and symmetrical connection has air inlet tube (432) and play tuber pipe (433) on selection by winnowing box (43) top position installation feed mechanism (45), be connected with output controller (46) on selection by winnowing box (43) bottom surface, be connected with on output controller (46) and select by winnowing box (43) and do left and right swing motion, selection by winnowing box (43) are installed in correspondence with magnetic assembly (47), magnetic assembly (47) can form with magnetic assembly (47).
3. A system for recycling lightweight waste of construction waste as set forth in claim 2, wherein: the swing driving mechanism (44) comprises ejector rod assemblies (441) and ejector rod driving assemblies (442), the two ejector rod assemblies (441) are symmetrically arranged on two sides of the box body frame (42), each ejector rod assembly (441) comprises a guide sleeve (4411) and a top box push rod (4412), each guide sleeve (4411) is fixedly arranged on the winnowing platform (41) through a support, each top box push rod (4412) penetrates through the corresponding guide sleeve (4411), the top end of each top box push rod (4412) is in contact with the bottom surface of the winnowing box (43), the ejector rod driving assemblies (442) are in transmission connection with the two ejector rod assemblies (441), the two top box push rods (4412) can be driven to move up and down simultaneously, and the two top box push rods (4412) can move up and down alternately under the driving action to form the left and right swinging motion effect of the winnowing box (43).
4. A system for recycling lightweight waste of construction waste as set forth in claim 3, wherein: the ejector rod driving assembly (442) comprises bearing seats (4421), a rotating shaft (4422) and a motor (4425), wherein the two bearing seats (4421) are installed in parallel, the rotating shaft (4422) is rotatably installed on the two bearing seats (4421), two ends of the rotating shaft (4422) are respectively connected with a driving cam (4423), the two driving cams (4423) are installed in a setting mode corresponding to the two ejector box push rods (4412) respectively, the bottom ends of the ejector box push rods (4412) are in contact with the outer edge walls of the driving cams (4423), the two driving cams (4423) are installed in a staggered mode in a concave-convex mode, a transmission gear (4424) is fixedly connected to the central position of the rotating shaft (4422), and the output end of the motor (4425) is connected with a driving gear (4426) which is meshed with the transmission gear (4424).
5. A system for recycling lightweight waste of construction waste as set forth in claim 2, wherein: the feeding mechanism (45) comprises a feeding pipe (451) and an inserting pipe pushing cylinder (452), the inserting pipe pushing cylinder (452) is fixedly arranged above the winnowing box (43), the feeding pipe (451) is connected with a piston rod end of the inserting pipe pushing cylinder (452), the feeding pipe (451) can be driven by the inserting pipe pushing cylinder (452) to do up-and-down lifting motion, a top opposite-opening movable door (431) of the winnowing box (43) adopts an inward-turning one-way door, and when the feeding pipe (451) descends, the opposite-opening movable door (431) can be pushed up and opened to be inserted into the winnowing box (43).
6. A system for recycling lightweight waste of construction waste as set forth in claim 2, wherein: the output controller (46) comprises a piston tube (462) and a piston push rod (465), the piston tube (462) is connected to the bottom surface of the air separation box (43), the piston tube (462) can be communicated with the air separation box (43), a control piston (463) and a spring (464) are arranged in the piston tube (462), the control piston (463) is pressed on the spring (464), the piston push rod (465) is inserted on the piston tube (462), one end of the piston push rod (465) is connected with the control piston (463), the other end of the piston push rod extends to the outer side of the piston tube (462), the selected material output tube (461) is connected to the outer wall of the piston tube (462), and under the condition that the piston push rod (465) is not stressed, the control piston (463) can keep a state of the closed selected material output tube (461) under the action of the elasticity of the spring (464).
7. A system for recycling lightweight waste of construction waste as set forth in claim 6, wherein: the magnetic control assembly (47) comprises a magnet mounting frame (471) and an electromagnet (472), the electromagnet (472) is fixedly mounted on the magnet mounting frame (471), the electromagnet (472) is mounted and arranged corresponding to a motion track line of the output controller (46), and when the electromagnet (472) is electrified, the extension end of the piston push rod (465) can be attracted, so that the purpose of pulling the piston push rod (465) is achieved.
8. A system for recycling lightweight waste of construction waste as set forth in claim 2, wherein: the flotation tank (51) is internally provided with clear water, the outlet end of the selected material output pipe (461) extends to the position above the flotation tank (51), a suspended material salvaging transmission belt (52) is arranged at the top of the flotation tank (51), a salvaging scraper (521) is connected to the suspended material salvaging transmission belt (52), the bottom end of the salvaging scraper (521) can be immersed in water, the salvaging scraper (521) can scrape water surface to run, a floating material output port (53) is connected to the side wall of the flotation tank (51), the suspended material salvaging transmission belt (52) extends to the position of the floating material output port (53), an arc-shaped seat (531) and a blanking channel (532) are arranged in the floating material output port (53), the radian of the arc-shaped seat (531) is matched with the motion track of the salvaging scraper (521), a floating material collecting box (54) is arranged on the side of the flotation tank (51), and the floating material collecting box (54) is arranged at the position below the channel (532).
9. A system for recycling lightweight waste of construction waste according to claim 1, wherein: the pulp discharging filter screen (61) is arranged at the outlet end of the pulp preparation machine (6), a bib (62) is wound on the outer wall of the pulp preparation machine (6), and the bib (62) covers the area of the pulp discharging filter screen (61).
10. A process for recycling light surplus construction waste, which is realized by using the light surplus construction waste recycling system according to any one of claims 1 to 9, and is characterized in that: the method comprises the following process steps:
a) The light remainder of the construction waste is transported in a circulating way through a feeding conveyor belt (11), and firstly passes through a drying room (1) to finish the drying of the materials in the circulating way;
b) The dried materials are conveyed to a crusher (2) in a circulating way through a feeding conveyor belt (11), and the materials with different shapes and sizes are crushed into granular materials through the crusher (2);
c) Conveying the crushed granular materials into a particle screening machine (3) for screening;
d) Screening by a winnowing mechanism (4), wherein light particles are blown to be discharged along with wind in the swinging process of a winnowing box (43), the discharged light particles are intensively conveyed to a pulp preparation machine (6), medium-quality particles and heavy-quality particles are remained in the winnowing box (43), and then are output to a flotation mechanism (5) for secondary screening through a material output pipe (461) after the winnowing;
e) In the flotation tank (51), medium-quality particles can suspend on the water surface, heavy-quality particles can sink on the water bottom, suspended medium-quality particles can be output and collected through the operation of a suspended matter salvage driving belt (52), the collected particles are conveyed to a plastic recycling line (7) for reprocessing, and the heavy-quality particles in the water can be conveyed to a plate-and-frame filter press (8) for reprocessing after being salvaged.
CN202311337546.1A 2023-10-16 2023-10-16 System and process for recycling light excess materials of construction waste Active CN117380705B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA165594A (en) * 1994-08-29 1995-10-15 Lueftinger Josef METHOD AND DEVICE FOR THE TREATMENT OF EXCAVATION MATERIAL, ESPECIALLY HOUSE WASTE DESTINATIONS
DE19751629A1 (en) * 1997-11-21 1999-05-27 Neu Werner Dr Ing Treatment of domestic, light industrial and mixed waste containing heavy materials
CN101028627A (en) * 2006-03-02 2007-09-05 邵道德 Method and apparatus for treating urban domestic refuse
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CN101955388A (en) * 2010-09-02 2011-01-26 朱海生 Urban garbage and sludge resource comprehensive utilization system
CN105665410A (en) * 2016-01-14 2016-06-15 北京铮实环保工程有限公司 Household garbage fine separation and complete recycling comprehensive treatment process
CN108787699A (en) * 2018-05-22 2018-11-13 北京建筑大学 A kind of storage rubbish original position recycling processing method and system
CN111167714A (en) * 2018-11-09 2020-05-19 义乌市铭耀智能科技有限公司 A construction waste sorting system
CN114042639A (en) * 2021-11-15 2022-02-15 华南理工大学 Comprehensive treatment method for refined mechanical sorting and resource recovery of household garbage
CN114309015A (en) * 2022-01-29 2022-04-12 张宗楼 Building decoration garbage co-processing technology without manual sorting

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA165594A (en) * 1994-08-29 1995-10-15 Lueftinger Josef METHOD AND DEVICE FOR THE TREATMENT OF EXCAVATION MATERIAL, ESPECIALLY HOUSE WASTE DESTINATIONS
DE19751629A1 (en) * 1997-11-21 1999-05-27 Neu Werner Dr Ing Treatment of domestic, light industrial and mixed waste containing heavy materials
CN101028627A (en) * 2006-03-02 2007-09-05 邵道德 Method and apparatus for treating urban domestic refuse
CN101433903A (en) * 2008-04-18 2009-05-20 北京恒业村科技有限公司 Reutilization method of solid wastes in biotope
CN101955388A (en) * 2010-09-02 2011-01-26 朱海生 Urban garbage and sludge resource comprehensive utilization system
CN105665410A (en) * 2016-01-14 2016-06-15 北京铮实环保工程有限公司 Household garbage fine separation and complete recycling comprehensive treatment process
CN108787699A (en) * 2018-05-22 2018-11-13 北京建筑大学 A kind of storage rubbish original position recycling processing method and system
CN111167714A (en) * 2018-11-09 2020-05-19 义乌市铭耀智能科技有限公司 A construction waste sorting system
CN114042639A (en) * 2021-11-15 2022-02-15 华南理工大学 Comprehensive treatment method for refined mechanical sorting and resource recovery of household garbage
CN114309015A (en) * 2022-01-29 2022-04-12 张宗楼 Building decoration garbage co-processing technology without manual sorting

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