CN110665813A - Raw material cleaning and screening device for feed production and using method thereof - Google Patents
Raw material cleaning and screening device for feed production and using method thereof Download PDFInfo
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- CN110665813A CN110665813A CN201910970565.5A CN201910970565A CN110665813A CN 110665813 A CN110665813 A CN 110665813A CN 201910970565 A CN201910970565 A CN 201910970565A CN 110665813 A CN110665813 A CN 110665813A
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- 239000002994 raw material Substances 0.000 title claims abstract description 95
- 238000012216 screening Methods 0.000 title claims abstract description 37
- 238000004140 cleaning Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000000428 dust Substances 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000007667 floating Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims description 2
- 239000013589 supplement Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000002791 soaking Methods 0.000 abstract description 5
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 13
- 244000144972 livestock Species 0.000 description 7
- 244000144977 poultry Species 0.000 description 6
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- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 235000019764 Soybean Meal Nutrition 0.000 description 1
- 239000005862 Whey Substances 0.000 description 1
- 102000007544 Whey Proteins Human genes 0.000 description 1
- 108010046377 Whey Proteins Proteins 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/22—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with non-movable magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/08—Cleaning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a raw material cleaning and screening device for feed production, which comprises: the device comprises a material conveying device, an iron removal assembly, a bearing assembly, a floating ash cleaning device, a vibrating screen device and a flushing device, wherein the material conveying device is used for conveying raw materials to a feed hopper and finishing the iron removal process in the material conveying process; the floating ash is removed through the matching of the blower and the dust collector; the screening process is realized through a vibrating screen, the transferring process is realized through the vibrating screen, and the raw materials are transferred to a second box body; spraying water to the upper part of the raw materials through a water pump to flush the raw materials; the water after washing is filtered through the filter screen, is washed after being pressurized by the water pump again, so that the cyclic utilization of water resources is realized, the washing and screening process is effectively realized, impurities are prevented from being removed by a soaking and cleaning mode, the cyclic utilization of the water resources is realized, and the consumption of the resources is reduced.
Description
Technical Field
The invention relates to the technical field of feed production, in particular to a raw material cleaning and screening device for feed production, and meanwhile, the invention also relates to a use method of the raw material cleaning and screening device for feed production.
Background
The feed is a general term of food of all animals raised by people, and in a narrower sense, the general feed mainly refers to food of animals raised in agriculture or animal husbandry, and the feed comprises more than ten kinds of feed raw materials such as soybean, soybean meal, corn, fish meal, amino acid, miscellaneous meal, whey powder, grease, meat and bone meal, grains, feed additives and the like.
The feeding standard is to scientifically specify different types, sexes, ages, physiological states, production purposes and levels of livestock according to experience accumulated in animal husbandry production practice and by combining substance energy metabolism tests and feeding tests, the amount of energy and various nutrient substances to be fed to each head every day is specified by livestock and poultry, and the quantity is called as a feed standard or a nutrient requirement. The required amount of various nutrient substances specified in the feeding standard is embodied by feeding various feeds for livestock and poultry. Therefore, in the feeding practice, the mixing proportion of various feeds must be calculated according to the characteristics, sources, prices and nutrient contents of the various feeds, namely a balanced complete ration is prepared, so that the feed standards list the requirements of the livestock and poultry on various nutrients in a table form. The feed for livestock and poultry is attached with the feed ingredients and the nutrition value table according to the feeding standard of livestock and poultry for convenient use. In addition, if necessary, the formulation of the yeast type daily ration for livestock and poultry can be attached for reference of practical application.
In the production process of fodder, need wash the screening to the raw materials to guarantee that the quality of raw materials accords with the demand of processing production, current washing screening is generally to sieve the raw materials earlier, gets rid of material such as impurity in the raw materials, surperficial ash floating, then washs, better realization impurity and the getting rid of ash floating.
Present washing screening plant utilizes the screen cloth motor to drive the screen cloth and rotates when the screening generally, simultaneously, utilizes agitator motor to stir for residue and sweeps realize the screening from the screen cloth whereabouts down, when wasing, is whole soaking the raw materials in aqueous, and floating impurity washs.
Adopt foretell mode to wash the screening, it can satisfy the washing demand of raw materials, but, the whole complicacy of structure is unfavorable for the screening, and the whole soaking of raw materials in aqueous, and its water absorption is great, and when follow-up continuation production, still need dry, the stoving needs a large amount of heats, is unfavorable for energy-conservation.
Disclosure of Invention
The invention aims to provide a raw material cleaning and screening device for feed production and a using method thereof, wherein in the feeding stage, iron in the raw material is removed through an iron remover, so that the subsequent screening is facilitated; through the washing of the fans, in the blanking process, the air blowing and the suction are carried out through the matching of the two groups of fans, so that light impurities in the raw materials are removed; vibrating screening is realized through a group of vibrating screens, and vibration in the cleaning process is realized; the raw materials are cleaned by water washing, so that the raw materials are prevented from being soaked for cleaning, higher energy is required for subsequent drying due to foaming, and the problem in the background art is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a raw materials washs screening plant for feed production, includes:
the conveying device comprises a support frame, rollers are mounted at two ends of the support frame, the two groups of rollers are driven by a belt, a conveying motor is mounted on the side portion of the support frame, and the output end of the conveying motor is connected with the side portion of one group of rollers through a coupler;
the iron removal assembly comprises a supporting rod and an electromagnet, the supporting rod is welded on the upper portion of the supporting frame, the electromagnet is installed on the side portion of the supporting rod through a bolt, and the lower portion of the electromagnet is opposite to the upper portion of the belt;
the bearing assembly comprises a first box body and a second box body, the upper part of the first box body is communicated with a feed hopper, the side part of the first box body is provided with a first discharge hole, the side part of the first box body is connected with the second box body through a connecting plate, and two side walls of the second box body are respectively provided with a feed hole and a second discharge hole;
the device comprises a floating dust cleaning device and a dust collector, wherein the floating dust cleaning device comprises an air blower and a dust collector, the air blower is mounted on the side wall of a first box body through bolts, the air inlet end of the air blower penetrates through the side part of the first box body and is connected with an air injection pipe, the dust collector is mounted on the side wall of the first box body through bolts, the air inlet end of the dust collector penetrates through the side wall of the first box body and is provided with a dust hood, and the air inlet end of the dust hood is opposite to the air inlet end of the air injection pipe;
the vibrating screen device comprises a vibrating motor and a vibrating screen, the vibrating motor is mounted on the upper portion of the connecting plate through bolts, the output end of the vibrating motor is connected with the lower portion of the vibrating screen, one end of the vibrating screen extends into the first box body through a first discharge hole and is connected with the inner wall of the first box body through a spring, and the other end of the vibrating screen extends to the outer side of the second box body through a feed hole and a second discharge hole and is connected with the inner wall of the second box body through a spring;
washing unit, washing unit includes water pump, storage water tank and nozzle, the water pump passes through the bolt and installs in the lateral part of second box, the water intake pipe of water pump probes into the inside of storage water tank, female pipe is installed to the play water end of water pump, female pipe runs through the lateral wall of second box and probes into the inside of second box, the branch pipe is installed to the lateral part equidistance of female pipe, the nozzle equidistance is installed in every group the lateral part of branch pipe.
Preferably, the upper portion welding of support frame has the protection casing, the protection casing covers the upper portion at the belt.
Preferably, the lower part of the first box body is arranged in a hollow round table shape, and the lower part of the first box body is communicated with a slag discharge pipe.
Preferably, the cross section of the dust hood is rectangular, and the inner wall of the dust hood is a smooth surface.
Preferably, the inclination angle of the vibrating screen from the first box body to the second box body is 10-15 degrees, limiting blocks are arranged on two sides of the vibrating screen, and the two groups of limiting blocks are in clearance fit with the inner wall of the first box body and the inner wall of the second box body respectively.
Preferably, the lateral part of storage water tank and the lateral part of second box intercommunication, the mid-mounting of storage water tank has the filter screen, the moisturizing mouth has been seted up on the upper portion of storage water tank, the lateral part intercommunication of storage water tank has the blow off pipe.
The invention also provides a use method of the raw material cleaning and screening device for feed production, which comprises the following steps:
s1: conveying: pouring the raw materials into the upper part of the belt through an external machine, operating a material conveying motor, driving a roller to rotate by the material conveying motor, so that the belt operates, and carrying out a material conveying process;
s2: iron removal: the electromagnet is operated to generate magnetic force, and when the raw material is operated on the belt, the raw material adsorbs iron in the raw material to remove iron impurities in the raw material;
s3: removing floating ash: the raw material processed by the S2 falls into the first box body through the feed hopper, the air blower and the dust collector are operated, the air blower blows air through the side part of the raw material falling from the air injection pipe, and meanwhile, the dust collector sucks the inside of the first box body through the dust hood, so that light floating ash is separated from the upper part of the raw material, and the floating ash is collected through the dust collector;
s4: vibrating, screening and sorting: the raw materials without floating ash fall to the upper part of the vibrating screen, the aperture of the vibrating screen is selected according to the requirement, the vibrating motor is operated to drive the vibrating screen to vibrate, so that the raw materials falling to the upper part of the vibrating screen vibrate, the raw materials and impurities which do not meet the requirement fall to the lower part of the first box body under vibration, and the raw materials and the impurities are discharged through a slag discharge pipe, so that the vibrating screen sorting is realized;
s5: transferring: along with the continuous operation of the vibrating screen, under the vibration and the self-inclined angle, the raw materials enter the lower half section of the vibrating screen and enter the inside of the second box body;
s6: washing: the water pump is operated, the water pump pumps water out of the water storage tank, the pumped water is sprayed to the upper part of the raw material under the action of the main pipe, the branch pipe and the nozzle, and the raw material is washed to realize cleaning;
s7: and (3) water recycling: after being filtered by a filter screen, the cleaned wastewater continuously enters a nozzle through the traction of a water pump, so that the cyclic utilization of water resources is realized, and the wastewater is periodically discharged and water is supplemented along with the extension of the running time;
s8: discharging raw materials: after the cleaning is finished, an external transfer device is used for receiving materials at the lower part of the vibrating screen and conveying the cleaned raw materials to the next procedure.
Preferably, in the steps S4 and S8, the rotating speed of the vibration motor is 30r/min-45 r/min.
Preferably, in the step S7, the time interval between the sewage discharge and the water supplement is 3h-5 h.
Compared with the prior art, the invention has the beneficial effects that:
1. conveying the raw materials to a feed hopper by using a conveying device, finishing an iron removal process in the conveying process, and removing floating ash by matching an air blower and a dust collector;
2. the screening process is realized through a vibrating screen, the transferring process is realized through the vibrating screen, and the raw materials are transferred to a second box body;
3. spraying water to the upper part of the raw materials through a water pump to flush the raw materials;
4. the water after washing is filtered through the filter screen, is washed after being pressurized by the water pump again, so that the cyclic utilization of water resources is realized, the washing and screening process is effectively realized, impurities are prevented from being removed by a soaking and cleaning mode, the cyclic utilization of the water resources is realized, and the consumption of the resources is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional side view of the electromagnet of the present invention;
FIG. 3 is a schematic sectional top view of the first casing section of the present invention;
FIG. 4 is a schematic sectional top view of the second casing section structure of the present invention;
FIG. 5 is a side cross-sectional view of the second casing section of the present invention.
In the figure: 1. a feeding device; 2. a support frame; 3. a roller; 4. a belt; 5. a material conveying motor; 6. an iron removal assembly; 7. a support bar; 8. an electromagnet; 9. a load bearing assembly; 10. a first case; 11. a second case; 12. a feed hopper; 13. a first discharge port; 14. a connecting plate; 15. a feed inlet; 16. a second discharge port; 17. a floating ash cleaning device; 18. a blower; 19. a vacuum cleaner; 20. a gas ejector tube; 21. a dust hood; 22. a vibration motor; 23. vibrating screen; 24. a flushing device; 25. a water pump; 26. a water storage tank; 27. a nozzle; 28. a main pipe; 29. a branch pipe; 30. a protective cover; 31. a slag discharge pipe; 32. a limiting block; 33. a filter screen; 34. a water replenishing port; 35. a blow-off pipe; 36. a vibrating screen device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a raw material cleaning and screening device for feed production, which is shown in figures 1-5 and comprises:
the device comprises a material conveying device 1, wherein the material conveying device 1 comprises a support frame 2, two ends of the support frame 2 are provided with rollers 3, two groups of rollers 3 are driven by a belt 4, a material conveying motor 5 is arranged on the side part of the support frame 2, the output end of the material conveying motor 5 is connected with the side part of one group of rollers 3 through a coupler, in order to reduce the leakage of fly ash in material conveying, the upper part of the support frame 2 is welded with a protective cover 30, and the protective cover 30 covers the upper part of the belt 4;
the iron removing assembly 6 comprises a supporting rod 7 and an electromagnet 8, the supporting rod 7 is welded on the upper portion of the supporting frame 2, the electromagnet 8 is installed on the side portion of the supporting rod 7 through a bolt, and the lower portion of the electromagnet 8 is opposite to the upper portion of the belt 4;
the bearing assembly 9 comprises a first box body 10 and a second box body 11, the upper part of the first box body 10 is communicated with a feed hopper 12, the side part of the first box body 10 is provided with a first discharge hole 13, the side part of the first box body 10 is connected with the second box body 11 through a connecting plate 14, in order to facilitate material discharge, the lower part of the first box body 10 is arranged in a hollow round table shape, the lower part of the first box body 10 is communicated with a slag discharge pipe 31, and two side walls of the second box body 11 are respectively provided with a feed inlet 15 and a second discharge hole 16;
the floating dust cleaning device 17 comprises an air blower 18 and a dust collector 19, the air blower 18 is mounted on the side wall of the first box body 10 through bolts, the air inlet end of the air blower 18 penetrates through the side part of the first box body 10 and is connected with an air injection pipe 20, the dust collector 19 is mounted on the side wall of the first box body 10 through bolts, the air suction end of the dust collector 19 penetrates through the side wall of the first box body 10 and is provided with a dust hood 21, in order to facilitate the extraction of fly ash, the section of the dust hood 21 is rectangular, the inner wall of the dust hood 21 is a smooth surface, and the air inlet end of the dust hood 21 is opposite to the air inlet end of the air injection pipe 20;
the vibrating screen device 36 comprises a vibrating motor 22 and a vibrating screen 23, the vibrating motor 22 is mounted on the upper portion of the connecting plate 14 through bolts, the output end of the vibrating motor 22 is connected with the lower portion of the vibrating screen 23, one end of the vibrating screen 23 extends into the first box body 10 through a first discharge hole 13 and is connected with the inner wall of the first box body 10 through a spring, the other end of the vibrating screen 23 extends to the outer side of the second box body 11 through a feed hole 15 and a second discharge hole 16 and is connected with the inner wall of the second box body 11 through a spring, the inclination angle of the vibrating screen 23 from the first box body 10 to the second box body 11 is 10-15 degrees, limiting blocks 32 for preventing raw materials from falling off are mounted on two sides of the vibrating screen 23, and the two groups of limiting blocks 32 are respectively in clearance fit with the inner wall of the first box body 10 and the inner wall of the second box;
The invention also provides a use method of the raw material cleaning and screening device for feed production, which comprises the following steps:
s1: conveying: pouring the raw materials into the upper part of the belt through an external machine, operating a material conveying motor, driving a roller to rotate by the material conveying motor, so that the belt operates, and carrying out a material conveying process;
s2: iron removal: the electromagnet is operated to generate magnetic force, and when the raw material is operated on the belt, the raw material adsorbs iron in the raw material to remove iron impurities in the raw material;
s3: removing floating ash: the raw material processed by the S2 falls into the first box body through the feed hopper, the air blower and the dust collector are operated, the air blower blows air through the side part of the raw material falling from the air injection pipe, and meanwhile, the dust collector sucks the inside of the first box body through the dust hood, so that light floating ash is separated from the upper part of the raw material, and the floating ash is collected through the dust collector;
s4: vibrating, screening and sorting: the raw materials for removing the floating ash fall on the upper part of the vibrating screen, the aperture of the vibrating screen is selected according to the requirement, the vibrating motor is operated to drive the vibrating screen to vibrate, so that the raw materials falling on the upper part of the vibrating screen vibrate, the raw materials and impurities which do not meet the requirement fall on the lower part of the first box body under vibration, and the raw materials and the impurities are discharged through a slag discharge pipe, so that the vibrating screen sorting is realized, and the rotating speed of the vibrating motor is 30r/min-45 r/min;
s5: transferring: along with the continuous operation of the vibrating screen, under the vibration and the self-inclined angle, the raw materials enter the lower half section of the vibrating screen and enter the inside of the second box body;
s6: washing: the water pump is operated, the water pump pumps water out of the water storage tank, the pumped water is sprayed to the upper part of the raw material under the action of the main pipe, the branch pipe and the nozzle, and the raw material is washed to realize cleaning;
s7: and (3) water recycling: after being filtered by a filter screen, the cleaned wastewater continuously enters a nozzle through the traction of a water pump, so that the cyclic utilization of water resources is realized, and the wastewater is discharged every 3-5 hours and water is supplemented along with the extension of the running time;
s8: discharging raw materials: after the cleaning is finished, an external transfer device is utilized to receive materials at the lower part of the vibrating screen and convey the cleaned raw materials to the next procedure, and the rotating speed of the vibrating motor is 30r/min-45 r/min.
In summary, the invention utilizes the material conveying device 1 to convey the raw materials to the feed hopper 12, completes the iron removal process in the material conveying process, realizes the removal of floating ash through the cooperation of the air blower 18 and the dust collector 19, realizes the screening process through the vibrating screen 23, realizes the transfer process through the vibrating screen 23, conveys the raw materials to the second box body 11, sprays water to the upper part of the raw materials through the water pump 25, washes the raw materials, washes the washed water after being filtered by the filter screen 33 and being pressurized by the water pump 25 again, realizes the recycling of water resources, effectively realizes the washing and screening process, avoids the impurity removal in the soaking and cleaning mode, realizes the recycling of water resources, and reduces the consumption of resources.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a raw materials washs screening plant for feed production which characterized in that includes:
the conveying device (1) comprises a support frame (2), rollers (3) are mounted at two ends of the support frame (2), two groups of rollers (3) are driven by a belt (4), a conveying motor (5) is mounted on the side portion of the support frame (2), and the output end of the conveying motor (5) is connected with the side portion of one group of rollers (3) through a coupler;
the iron removal assembly (6) comprises a supporting rod (7) and an electromagnet (8), the supporting rod (7) is welded to the upper portion of the supporting frame (2), the electromagnet (8) is installed on the side portion of the supporting rod (7) through a bolt, and the lower portion of the electromagnet (8) is opposite to the upper portion of the belt (4);
the bearing assembly (9) comprises a first box body (10) and a second box body (11), the upper portion of the first box body (10) is communicated with a feed hopper (12), a first discharge hole (13) is formed in the side portion of the first box body (10), the side portion of the first box body (10) is connected with the second box body (11) through a connecting plate (14), and a feed inlet (15) and a second discharge hole (16) are formed in two side walls of the second box body (11) respectively;
the floating dust cleaning device (17) comprises an air blower (18) and a dust collector (19), the air blower (18) is mounted on the side wall of the first box body (10) through bolts, the side part, penetrating through the first box body (10), of the air inlet end of the air blower (18) is connected with an air injection pipe (20), the dust collector (19) is mounted on the side wall of the first box body (10) through bolts, the air suction end of the dust collector (19) penetrates through the side wall of the first box body (10) and is provided with a dust collection cover (21), and the air inlet end of the dust collection cover (21) is opposite to the air inlet end of the air injection pipe (20);
the vibrating screen device (36) comprises a vibrating motor (22) and a vibrating screen (23), the vibrating motor (22) is mounted on the upper portion of the connecting plate (14) through bolts, the output end of the vibrating motor (22) is connected with the lower portion of the vibrating screen (23), one end of the vibrating screen (23) extends to the inside of the first box body (10) through a first discharge hole (13) and is connected with the inner wall of the first box body (10) through a spring, and the other end of the vibrating screen (23) extends to the outer side of the second box body (11) through a feed hole (15) and a second discharge hole (16) and is connected with the inner wall of the second box body (11) through a spring;
washing unit (24), washing unit (24) include water pump (25), storage water tank (26) and nozzle (27), install in the lateral part of second box (11) through the bolt water pump (25), the inlet channel of water pump (25) probes into the inside of storage water tank (26), female pipe (28) are installed to the play water end of water pump (25), female pipe (28) run through the lateral wall of second box (11) and probe into the inside of second box (11), branch pipe (29) are installed to the lateral part equidistance of female pipe (28), nozzle (27) equidistance install in every group the lateral part of branch pipe (29).
2. The raw material cleaning and screening device for feed production as claimed in claim 1, wherein: the upper portion welding of support frame (2) has protection casing (30), protection casing (30) cover is on the upper portion of belt (4).
3. The raw material cleaning and screening device for feed production as claimed in claim 1, wherein: the lower part of the first box body (10) is arranged in a hollow round table shape, and the lower part of the first box body (10) is communicated with a slag discharge pipe (31).
4. The raw material cleaning and screening device for feed production as claimed in claim 1, wherein: the cross section of the dust hood (21) is rectangular, and the inner wall of the dust hood (21) is a smooth surface.
5. The raw material cleaning and screening device for feed production as claimed in claim 1, wherein: the inclination angle of the vibrating screen (23) from the first box body (10) to the second box body (11) is 10-15 degrees, limiting blocks (32) are arranged on two sides of the vibrating screen (23), and the two groups of limiting blocks (32) are in clearance fit with the inner wall of the first box body (10) and the inner wall of the second box body (11) respectively.
6. The raw material cleaning and screening device for feed production as claimed in claim 1, wherein: the lateral part of storage water tank (26) and the lateral part intercommunication of second box (11), the mid-mounting of storage water tank (26) has filter screen (33), moisturizing mouth (34) have been seted up on the upper portion of storage water tank (26), the lateral part intercommunication of storage water tank (26) has blow off pipe (35).
7. The use method of the raw material cleaning and screening device for feed production of claim 1 is characterized in that: the method comprises the following steps:
s1: conveying: pouring the raw materials into the upper part of the belt through an external machine, operating a material conveying motor, driving a roller to rotate by the material conveying motor, so that the belt operates, and carrying out a material conveying process;
s2: iron removal: the electromagnet is operated to generate magnetic force, and when the raw material is operated on the belt, the raw material adsorbs iron in the raw material to remove iron impurities in the raw material;
s3: removing floating ash: the raw material processed by the S2 falls into the first box body through the feed hopper, the air blower and the dust collector are operated, the air blower blows air through the side part of the raw material falling from the air injection pipe, and meanwhile, the dust collector sucks the inside of the first box body through the dust hood, so that light floating ash is separated from the upper part of the raw material, and the floating ash is collected through the dust collector;
s4: vibrating, screening and sorting: the raw materials without floating ash fall to the upper part of the vibrating screen, the aperture of the vibrating screen is selected according to the requirement, the vibrating motor is operated to drive the vibrating screen to vibrate, so that the raw materials falling to the upper part of the vibrating screen vibrate, the raw materials and impurities which do not meet the requirement fall to the lower part of the first box body under vibration, and the raw materials and the impurities are discharged through a slag discharge pipe, so that the vibrating screen sorting is realized;
s5: transferring: along with the continuous operation of the vibrating screen, under the vibration and the self-inclined angle, the raw materials enter the lower half section of the vibrating screen and enter the inside of the second box body;
s6: washing: the water pump is operated, the water pump pumps water out of the water storage tank, the pumped water is sprayed to the upper part of the raw material under the action of the main pipe, the branch pipe and the nozzle, and the raw material is washed to realize cleaning;
s7: and (3) water recycling: after being filtered by a filter screen, the cleaned wastewater continuously enters a nozzle through the traction of a water pump, so that the cyclic utilization of water resources is realized, and the wastewater is periodically discharged and water is supplemented along with the extension of the running time;
s8: discharging raw materials: after the cleaning is finished, an external transfer device is used for receiving materials at the lower part of the vibrating screen and conveying the cleaned raw materials to the next procedure.
8. The use method of the raw material cleaning and screening device for feed production according to claim 7 is characterized in that: in the steps S4 and S8, the rotating speed of the vibrating motor is 30r/min-45 r/min.
9. The use method of the raw material cleaning and screening device for feed production according to claim 7 is characterized in that: in the step S7, the time interval between sewage discharge and water supplement is 3-5 h.
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| CN113814169A (en) * | 2021-07-29 | 2021-12-21 | 桂林理工大学 | Construction waste regenerated fine sand multistage classifier |
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