CN110694910A - Dry type sorting system and sorting method for construction waste - Google Patents
Dry type sorting system and sorting method for construction waste Download PDFInfo
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- CN110694910A CN110694910A CN201911141234.7A CN201911141234A CN110694910A CN 110694910 A CN110694910 A CN 110694910A CN 201911141234 A CN201911141234 A CN 201911141234A CN 110694910 A CN110694910 A CN 110694910A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 107
- 230000009471 action Effects 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims description 79
- 239000002131 composite material Substances 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 239000010419 fine particle Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
- B03B9/065—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial the refuse being building rubble
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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
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- 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a dry type sorting system and a sorting method for construction waste. Methods of use of the above system are also provided. The sorting system is suitable for effectively sorting the light and heavy materials of the recycled aggregate in the recycling treatment process of the construction waste, and realizes the high-precision sorting of the construction waste through the comprehensive action of vibration and wind power, thereby realizing the maximization of the recycling of the construction waste.
Description
Technical Field
The invention belongs to the field of recycling devices of construction waste, and particularly relates to a dry type sorting system and a sorting method of construction waste.
Background
The construction waste refers to residue soil, waste material, residual mud and other wastes generated in the process of construction, laying or dismantling and repairing of various buildings, structures, pipe networks and the like by construction units or individuals. The construction waste affects environmental sanitation and living conditions, reduces the quality of soil, reduces the productivity of soil, and has many recyclable resources to be utilized, so that a sorting device for the construction waste is required.
At present, construction waste is mainly sorted by using a circular vibrating screen, a linear screen, a drum screen and other mining screening equipment or simple wind power sorting equipment. The mining screening equipment can only realize the grading of the particle size and has no sorting capability; the simple wind power separation equipment is only provided with the fan and the separation roller, light materials are blown by wind power of the fan through the separation roller to fall to a far place, heavy materials fall to a near place, separation of the light materials and the heavy materials is achieved, and the method basically has no separation capacity for the materials with the similar specific gravity. The method has the disadvantages of unsatisfactory sorting effect, high mismatching rate of light materials, heavy materials and fine materials, incomplete or ineffective subsequent resource utilization, and serious influence on the economic value and market effect of the recycled aggregate.
Disclosure of Invention
The invention provides a dry type sorting system and a sorting method for construction waste, which are used for solving the technical problems that the existing sorting effect is not ideal, the mismatching rate of light materials, heavy materials and fine materials is high, the subsequent resource utilization is not thorough or can not be effectively utilized, and the economic value and the market effect of recycled aggregates are seriously influenced.
In order to achieve the purpose, the invention adopts the following technical scheme: a dry type sorting system for construction waste comprises a composite sorting machine, a dust removal system connected with the composite sorting machine, a storage bin and a spiral quantitative feeder for feeding materials into the composite sorting machine from the storage bin; the materials entering the composite separator realize the separation of light and heavy materials under the combined action of vibration, wind power and a dust removal system arranged in the composite separator, and light material impurities in heavy material aggregates are removed.
By adopting the technical scheme, the materials are conveyed into the bin through the conveyor, the materials in the bin are conveyed to the composite sorting machine through the spiral constant feeder, the conveyed materials are separated from the light and heavy materials under the combined action of the vibration of the composite sorting machine, the wind power conveyed by the air feeder and the dust removal system, and the light impurities in the heavy material aggregate are removed.
Preferably, the composite separator comprises an upper frame, a deck and an air supply box body which are sequentially communicated from top to bottom; the upper frame and the air supply box body are both fixedly arranged on the lower frame, and the top of the upper frame is provided with a feeding port; the top end of the deck is connected with the bottom end of the upper frame through upper soft connection, and the bottom end of the deck is connected with the top end of the air supply box body through lower soft connection; the deck is divided into oblique zigzag sieve plates, each zigzag sieve plate is a sieve plate with zigzag and sieve pores, the deck is provided with a heavy material discharge port at the higher end of the zigzag sieve plate, the deck is provided with a light material discharge port at the lower end of the zigzag sieve plate, and the end of each zigzag inclined plane close to the heavy material discharge port is higher than the end close to the light material discharge port; the air supply box body is connected with an air supply blower, the bottom end of the deck is further separated by a rectification sieve plate, the outer wall of one end, close to the heavy object, of the deck is connected with a driving assembly, the deck is made to vibrate together with the zigzag sieve plate and the rectification sieve plate, and the top of the upper frame is further provided with a dust removal opening.
By adopting the technical scheme, materials entering the material inlet are fed into the air feeding box body by the air feeder, the air flow is uniformly divided by the rectifying sieve plate and acts on the materials, the materials on the zigzag sieve plate are subjected to the combined action of vibration and wind power to enable light objects to float upwards and enable the materials to generate speed components with different sizes and different directions, effective and rapid layering is realized, meanwhile, because the zigzag sieve plate is obliquely arranged, the light objects fall to the light object discharge port under the action of the wind power and are discharged through the light object discharge port, the zigzag sieve plate is of a zigzag structure, the heavy objects are subjected to the thrust action by the vibration force through the zigzag, and the heavy objects move along the direction of the sieve surface creeping to the heavy object discharge port and are discharged from the heavy object discharge port; the fine particles are screened by the zigzag sieve plate, penetrate through sieve pores on the sieve surface, and the dead weight of the fine particles overcomes the buoyancy of wind power and moves to the lower part of the air supply box body; the method and the device have the advantages that the extremely light substances, dust and the like are separated through the dust removal port, so that the high-precision separation of the heavy substances, the fine particles, the light substances and the extremely light substances of the recycled aggregate in the recycling treatment process of the construction waste is realized, the problem that the high-precision separation of the light substances and the heavy substances is difficult to realize by the traditional equipment is well solved, particularly the problem of effective separation of the materials with similar specific gravity is solved, and the maximization of the recycling of the construction waste is realized.
Preferably, the driving assembly comprises a driving motor, a transmission belt, an eccentric mechanism and a connecting rod, the driving motor and the eccentric mechanism are fixedly connected with the lower frame, the eccentric mechanism is provided with an output end and an input end, the eccentric input end is connected with the driving motor through the transmission belt, the output end of the eccentric mechanism is rotatably connected with the connecting rod, and the connecting rod is rotatably connected to the outer wall of the bottom of one end, provided with the heavy object discharge port, of the deck.
Through adopting above-mentioned technical scheme, utilize eccentric mechanism to reciprocate to promote the formation vibration to the deck, stable in structure, vibration effect is good.
Preferably, the bottom of the air supply box body is connected with a screw conveyor and a first star-shaped ash discharge valve.
Through adopting above-mentioned technical scheme, the fine particle of selecting separately from the air supply box can be retrieved through screw conveyer and first star type unloading valve, makes things convenient for operation management and realizes the sealed of air supply box.
Preferably, the dust removal port is arranged at one end close to the light material discharge port, and the feeding port is arranged at one end close to the heavy material discharge port.
Through adopting above-mentioned technical scheme, the position of dust removal mouth can conveniently realize that extremely light thing discharges smoothly.
Preferably, the dust removal mouth has a dust pelletizing system through the pipe connection, and dust pelletizing system is including connecting gradually cyclone, dust remover and the draught fan at the dust removal mouth, and cyclone, dust remover and the fixed setting of draught fan, cyclone's bottom is provided with the discharge valve, dust remover's bottom is provided with single screw conveyer and second star type dust unloading valve, the dust remover top still is connected with the air compressor machine.
Through adopting above-mentioned technical scheme, follow the extremely light thing of dust removal mouth exhaust and retrieve and dust collector's secondary absorption through cyclone's preliminary absorption, not only improved the efficiency of retrieving, still avoided the polluted environment.
Preferably, a feeding slide carriage is arranged at one end, close to the heavy material outlet, in the upper frame, and the tail end of the feeding slide carriage is lower than the end, connected with the upper frame, of the feeding slide carriage.
Through adopting above-mentioned technical scheme, the pan feeding carriage apron is used for leading the material that gets into the upper ledge, makes the material fall on the middle part position of slope screen cloth.
Preferably, the feeding slide carriage is hinged to the upper frame, the upper frame is further provided with an adjusting cylinder connected to the bottom of the feeding slide carriage, and two ends of the adjusting cylinder are respectively connected in a rotating mode.
Through adopting above-mentioned technical scheme, pan feeding slide carriage can angle regulation.
The invention also provides a sorting method using the dry sorting system for the construction wastes, which comprises the following steps of conveying materials into a bin through a conveyor, conveying the materials in the bin to a composite sorting machine through a spiral quantitative feeder, separating light and heavy materials of the conveyed materials under the combined action of vibration of the composite sorting machine, wind power fed by a blower and a dust removal system, and removing light impurities in heavy material aggregates.
Preferably, the sorting method of the dry sorting system for the construction waste comprises the following steps:
starting an air compressor to control air supply of an air path for a dust collector;
step two, starting a second star-shaped ash discharge valve;
step three, starting the single screw conveyer,
starting the dust collector, and starting the dust collector to remove dust;
step five, starting the induced draft fan;
sixthly, starting a first star-shaped ash discharge valve;
step seven, starting the screw conveyor;
step eight, starting a blower and then carrying out the work of a wind power system;
starting a driving motor of the composite sorting machine, enabling the sawtooth-shaped sieve plate to continuously vibrate by the driving motor through a transmission belt, an eccentric mechanism and a connecting rod, and then carrying out the work of a vibration system;
step ten, starting the spiral constant feeder;
and step eleven, starting the conveyor, and finally carrying out feeding and loading work.
The invention has the beneficial effects that: 1) the sorting method is suitable for effectively sorting the light and heavy materials of the recycled aggregate in the recycling treatment process of the construction waste, and the construction waste is sorted at high precision through the comprehensive action of vibration and wind power, so that the problem that the traditional equipment is difficult to realize the high-precision separation of the light and heavy materials, particularly the problem of effectively separating the materials with similar specific gravity, is well solved, and the maximization of the recycling of the construction waste is realized;
2) the sorting method of the invention adopts air as a sorting medium, belongs to dry sorting, is provided with a dust removal system, has no secondary pollution, and belongs to a clean sorting method.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic structural view of a driving assembly of the compound sorting machine according to the embodiment of the present invention.
Reference numerals: 1. a composite separator; 11. an upper frame; 111. a feeding port; 112. a dust removal port; 113. feeding a slide carriage; 114. an adjusting cylinder; 12. a deck; 121. a zigzag sieve plate; 122. saw teeth; 123. a heavy matter discharge port; 124. a light material discharge port; 125. a rectifying sieve plate; 13. an air supply box body; 131. a blower; 132. a screw conveyor; 133. a first star-type cindervalve; 14. the upper part is in flexible connection; 15. the lower part is in flexible connection; 16. a drive assembly; 161. a drive motor; 162. a drive belt; 163. an eccentric mechanism; 164. a connecting rod; 17. a lower frame; 2. a dust removal system; 21. a cyclone dust collector; 211. a discharge valve; 22. a dust collector; 221. a single screw conveyor; 222. a second star-shaped ash discharge valve; 223. an air compressor; 23. an induced draft fan; 3. a storage bin; 31. a spiral constant feeder; 4. a conveyor.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
With reference to fig. 1 and 2, a dry type sorting system for construction waste comprises a composite sorter 1, a dust removal system 2 connected to the composite sorter, a bin 3, and a screw constant feeder 31 for feeding materials from the bin 3 into the composite sorter 1; the materials entering the composite separator 1 are separated by the combined action of vibration, wind power and a dust removal system 2 arranged in the composite separator, and light impurities in heavy aggregate are removed.
The sorting method comprises the steps that materials are conveyed into a bin 3 through a conveyor 4, the materials in the bin 3 are conveyed to a composite sorting machine 1 through a spiral constant feeder 31, the conveyed materials are separated from light and heavy materials under the combined action of the vibration of the composite sorting machine 1, wind power conveyed by a blower 8 and a dust removal system 7, and light impurities in the heavy aggregate are removed.
The composite sorting machine 1 comprises an upper frame 11, a deck 12 and an air supply box body 13 which are sequentially communicated from top to bottom; the upper frame 11 and the air supply box body 13 are both fixedly arranged on the lower frame 17, the lower frame 17 is fixedly arranged (can be fixed on the basis of the outside, and the same principle is applied to the following fixed arrangement), and the top of the upper frame 11 is provided with a feeding port 111; the deck 12 is connected with the upper frame 11 through an elastic vibration support, the top end of the deck is connected with the bottom end of the upper frame 11 through an upper soft connection 14, the bottom end of the deck is connected with the top end of the air supply box body 13 through a lower soft connection 15, the soft connection is a closed movable connection and can be connected by cloth bags or canvas and the like; an inclined sawtooth-shaped sieve plate 121 is separated in the deck 12, the sawtooth-shaped sieve plate 121 is a sieve plate with sawteeth 122 and is provided with sieve holes, one side of each sawtooth 122 is perpendicular to the sawtooth-shaped sieve plate 121, the other side of each sawtooth 122 is an inclined plane, and the sieve holes are arranged on the inclined planes of the sawteeth 122; the deck 12 is provided with a heavy material discharge port 123 at the higher end of the zigzag screen plate 121, the deck 12 is provided with a light material discharge port 124 at the lower end of the zigzag screen plate 121, and the end of the zigzag screen plate 122 close to the heavy material discharge port 123 is higher than the end close to the light material discharge port 124; the air supply box body 13 is connected with an air supply machine 131, the bottom end of the deck 12 is also provided with a rectifying sieve plate 125 in a separating mode, and the outer wall of one end, close to the heavy object, of the deck 12 is connected with a driving assembly 16, so that the deck 12, the zigzag sieve plate 121 and the rectifying sieve plate 125 vibrate together to form the top of the upper frame 11 and the dust removal opening 112 is further formed.
The materials entering the material inlet 111, the blower 131 blows air into the air blowing box 13, the air flow is evenly divided through the rectifying sieve plate 125 and acts on the materials, the materials on the zigzag sieve plate 121 are subjected to the combined action of vibration and wind power to enable the light materials to float upwards and enable the materials to generate different sizes and different directions of speed components, effective and rapid layering is achieved, meanwhile, because the zigzag sieve plate 121 is installed in an inclined mode, the light materials fall to the light material outlet 124 after the wind power action and are discharged through the light material outlet 124, the heavy materials are enabled to move along the direction of the sieve surface creeping to the heavy material outlet 123 due to the fact that the zigzag sieve plate 121 is of a zigzag 122-shaped structure and one end of the zigzag 122 close to the heavy material outlet 123 can be lower than one end close to the light material outlet 124, and the heavy materials are discharged from the heavy material outlet 123 due to the vibration force; the fine particles are screened by the zigzag sieve plate 121, and the dead weight of the fine particles overcomes the buoyancy of wind to move to the lower part of the air supply box body 13 through sieve holes on the sieve surface; the extremely light substances, dust and the like are separated through the dust removal port 112, so that the high-precision separation of the heavy substances, the fine particles, the light substances and the extremely light substances of the recycled aggregate in the recycling treatment process of the construction waste is realized, particularly the problem of effective separation of the materials with similar specific gravity is solved, and the maximum recycling of the construction waste is realized.
The driving assembly 16 includes a driving motor 161, a driving belt 162, an eccentric mechanism 163 and a connecting rod 164, the driving motor 161 and the eccentric mechanism 163 are fixedly connected to the lower frame 17, the eccentric mechanism 163 has an output end and an input end, the eccentric input end is connected to the driving motor 161 through the driving belt 162, the output end of the eccentric mechanism 163 is rotatably connected to the connecting rod 164, the connecting rod 164 is rotatably connected to the outer wall of the bottom of the deck 12 at the end where the heavy material discharge port 123 is disposed, a rotating seat may be fixedly disposed on the outer wall of the deck 12, and the connecting rod 164 is rotatably connected to the rotating seat. Utilize eccentric mechanism 163 to reciprocate to promote deck 12 and form the vibration, stable in structure, the vibration is effectual.
The bottom of the air supply box body 13 is connected with a screw conveyer 132 and a first star-shaped ash discharging valve 133, and fine particles sorted from the air supply box body 13 can be recycled through the screw conveyer 132 and the first star-shaped ash discharging valve 133, so that the operation and management are convenient.
The dust removal port 112 is arranged at one end close to the light material discharge port 124, the feeding port 111 is arranged at one end close to the heavy material discharge port 123, and the position of the dust removal port 112 can conveniently realize smooth discharge of the extremely light materials.
Dust removal mouth 112 has dust pelletizing system 2 through the pipe connection, dust pelletizing system 2 is including connecting gradually cyclone 21 at dust removal mouth 112, dust collector 22 and draught fan 23, cyclone 21, dust collector 22 and the fixed setting of draught fan 23, the sack cleaner can be chooseed for use to dust collector 22, cyclone 21's bottom is provided with discharge valve 211, dust collector 22's bottom is provided with single screw conveyer 221 and second star type dust discharge valve 222, dust collector 22 top still is connected with air compressor machine 223.
The extremely light substances discharged from the dust removing port 112 are subjected to primary absorption recovery by the cyclone dust collector 21 and secondary absorption by the dust collector 22, so that not only is the recovery efficiency improved, but also the environmental pollution is avoided.
Pan feeding mouth 111 top is provided with feed bin 3, and feed bin 3 is fixed to be set up, still is connected with conveyer 4 on the feed bin 3, and the material can carry out the material loading, convenient and fast through conveyer 4. The bottom of feed bin 3 is provided with spiral constant feeder 31, and spiral constant feeder 31 is connected through the third flexible coupling with the top of upper frame 11, sets up the volume that spiral constant feeder 31 can control the material.
A feeding slide carriage 113 is arranged at one end of the upper frame 11 close to the heavy material outlet 123, the tail end of the feeding slide carriage 113 is lower than the end of the feeding slide carriage 113 connected with the upper frame 11, and the feeding slide carriage 113 is used for guiding materials entering the upper frame 11 to enable the materials to fall on the middle position of the inclined screen. The feeding slide carriage 113 is hinged to the upper frame 11, the upper frame 11 is further provided with an adjusting cylinder 114 connected to the bottom of the feeding slide carriage 113, two ends of the adjusting cylinder 114 are respectively connected in a rotating mode, and the feeding slide carriage 113 can be adjusted in angle.
The use method of the dry type sorting system for the construction waste comprises the following specific operation steps:
step one, starting an air compressor 223 to control air supply of an air path for the dust collector 22;
step two, starting a second star-shaped ash discharge valve 222;
step three, starting the single screw conveyer 221,
step four, starting the cyclone dust collector 21 and the dust collector 22, and starting dust collection operation firstly;
step five, starting the induced draft fan 23;
step six, starting the first star-shaped ash discharge valve 133;
step seven, starting the screw conveyer 132;
step eight, starting the blower 131 and then carrying out the work of the wind power system;
step nine, starting a driving motor 161 of the composite sorting machine 1, enabling the sawtooth-shaped sieve plate 121 to continuously vibrate by the driving motor 161 through a transmission belt 162, an eccentric mechanism 163 and a connecting rod 164, and then carrying out the work of a vibration system;
step ten, starting the spiral constant feeder 31;
and step eleven, starting the conveyor 4, and finally carrying out feeding and loading work.
The specific process is that the sorted materials are put into a bin 3 through a conveyor 4, the materials in the bin 3 are sent into a composite sorting machine 1 by a spiral constant feeder 31, the materials fall on a sawtooth-shaped sieve plate 121 through a feeding slide carriage 113, an air feeder 131 feeds air into an air feeding box body, the uniform diversion of wind flow is realized through the rectifying sieve plate 125 and acts on the materials, the materials on the zigzag sieve plate 121 are subjected to the combined action of vibration and wind power to float the light materials, the materials generate different speed components with different sizes and directions, the effective and rapid layering is realized, meanwhile, as the zigzag sieve plate 121 is obliquely arranged, the light objects fall to the light object discharge port 124 under the action of wind power and are discharged through the light object discharge port 124, the heavy material moves along the direction that the screen surface is creeping to the heavy material discharge port 123 due to the sawtooth 122 structure of the sawtooth-shaped screen plate 121 and is discharged from the heavy material discharge port 123 by the vibration force; the fine particles are screened by the zigzag sieve plate 121, pass through sieve holes on the sieve surface, and move to the lower part of the air supply box body 13 by the dead weight of the fine particles against the buoyancy of wind power, and are discharged by the spiral conveyor 132 and the first star-shaped ash discharge valve 133; extremely light materials, dust and the like enter the cyclone dust collector 21 and the dust collector 22 through the dust removal port 112 under the action of wind power of the induced draft fan 23, larger particles sink in the cyclone dust collector 21 and are discharged through the discharge valve 211, the dust and the like are filtered and purified in the dust collector and are discharged through the single screw conveyor 221 and the second star-shaped dust discharge valve 222, and the air compressor 223 provides air for a dust collector control gas path and is used for cleaning filter materials in the dust collector.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a dry-type sorting system of building rubbish which characterized in that: comprises a composite separator (1), a dust removal system (2) connected with the composite separator, a stock bin (3) and a spiral quantitative feeder (31) for feeding materials from the stock bin (3) into the composite separator (1); the materials entering the composite separator (1) are separated by the combined action of vibration, wind power and a dust removal system (2) arranged in the composite separator, and light impurities in heavy aggregate are removed.
2. The dry sorting system for construction waste as claimed in claim 1, wherein: the composite separator (1) comprises an upper frame (11), a deck (12) and an air supply box body (13) which are sequentially communicated from top to bottom; the upper frame (11) and the air supply box body (13) are both fixedly arranged on the lower frame (17), and the top of the upper frame (11) is provided with a feeding port (111); the deck (12) is connected with the lower frame (17) through an elastic vibration support, the top end of the deck is connected with the bottom end of the upper frame (11) through an upper soft connection (14), and the bottom end of the deck is connected with the top end of the air supply box body (13) through a lower soft connection (15); an inclined sawtooth-shaped sieve plate (121) is separated in the deck (12), the sawtooth-shaped sieve plate (121) is a sieve plate with sawteeth (122) and is provided with sieve holes, the deck (12) is provided with a heavy material discharge port (123) at the higher end of the sawtooth-shaped sieve plate (121), the deck (12) is provided with a light material discharge port (124) at the lower end of the sawtooth-shaped sieve plate (121), and the end of the inclined plane of the sawtooth (122) close to the heavy material discharge port (123) is higher than the end close to the light material discharge port (124); the air supply box body (13) is connected with an air supply machine (131), the bottom end of the deck (12) is further divided into a rectifying sieve plate (125), the outer wall of one end, close to the heavy object, of the deck (12) is connected with a driving assembly (16), the deck (12) is made to vibrate together with the sawtooth-shaped sieve plate (121) and the rectifying sieve plate (125), and the top of the upper frame (11) is further provided with a dust removal opening (112).
3. The dry sorting system for construction waste as claimed in claim 2, wherein: the driving assembly (16) comprises a driving motor (161), a transmission belt (162), an eccentric mechanism (163) and a connecting rod (164), the driving motor (161) and the eccentric mechanism (163) are fixedly connected with the lower frame (17), the eccentric mechanism (163) is provided with an output end and an input end, the eccentric input end is connected with the driving motor (161) through the transmission belt (162), the output end of the eccentric mechanism (163) is rotatably connected with the connecting rod (164), and the connecting rod (164) is rotatably connected to the outer wall of the bottom of one end, provided with the heavy object discharge port (123), of the deck (12).
4. The dry sorting system for construction waste as claimed in claim 3, wherein: the bottom of the air supply box body (13) is connected with a screw conveyor (132) and a first star-shaped ash discharging valve (133).
5. The dry sorting system for construction waste as claimed in claim 4, wherein: the dust removal opening (112) is arranged at one end close to the light material discharge opening (124), and the feeding opening (111) is arranged at one end close to the heavy material discharge opening (123).
6. The dry sorting system for construction waste as claimed in claim 5, wherein: dust pelletizing system (2) are including connecting gradually cyclone (21), dust remover (22) and draught fan (23) at dust removal mouth (112), and cyclone (21), dust remover (22) and draught fan (23) are fixed to be set up, the bottom of cyclone (21) is provided with discharge valve (211), the bottom of dust remover (22) is provided with single screw conveyer (221) and second star type dust discharge valve (222), dust remover (22) top still is connected with air compressor machine (223).
7. The dry sorting system for construction waste as claimed in claim 6, wherein: a feeding slide carriage (113) is arranged at one end, close to the heavy material outlet (123), in the upper frame (11), and the tail end of the feeding slide carriage (113) is lower than the end, connected with the upper frame (11), of the feeding slide carriage (113).
8. The dry sorting system for construction waste as claimed in claim 7, wherein: the feeding slide carriage (113) is hinged to the upper frame (11), the upper frame (11) is further provided with an adjusting cylinder (114) connected to the bottom of the feeding slide carriage (113), and two ends of the adjusting cylinder (114) are respectively connected in a rotating mode.
9. A sorting method using the dry sorting system for construction waste according to any one of claims 1 to 8, characterized in that: the method comprises the following steps that materials are conveyed into a bin (3) through a conveyor (4), the materials in the bin (3) are conveyed to a composite sorting machine (1) through a spiral quantitative feeder (31), the conveyed materials are separated from light and heavy materials under the combined action of the vibration of the composite sorting machine (1), wind power fed by a blower (8) and a dust removal system (7), and light impurities in heavy aggregate are removed.
10. The sorting method of the dry sorting system for construction waste according to claim 9, wherein: comprises the following steps of (a) carrying out,
step one, starting an air compressor (223) to control air supply of an air path for a dust collector (22);
step two, starting a second star-shaped ash discharge valve (222);
step three, starting the single screw conveyor (221);
step four, starting the dust collector (22), and starting the dust collection work;
step five, starting a draught fan (23);
step six, starting a first star-shaped ash discharge valve (133);
step seven, starting the screw conveyor (132);
step eight, starting a blower (131) and then carrying out the work of the wind power system;
starting a driving motor (161) of the composite sorting machine (1), enabling the sawtooth-shaped sieve plate (121) to continuously vibrate by the driving motor (161) through a transmission belt (162), an eccentric mechanism (163) and a connecting rod (164), and then carrying out the work of a vibration system;
step ten, starting the spiral constant feeder (31);
and step eleven, starting the conveyor (4), and finally carrying out feeding and loading work.
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