CN110433959B - Construction waste screening and sorting classification device - Google Patents

Construction waste screening and sorting classification device Download PDF

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Publication number
CN110433959B
CN110433959B CN201910757946.5A CN201910757946A CN110433959B CN 110433959 B CN110433959 B CN 110433959B CN 201910757946 A CN201910757946 A CN 201910757946A CN 110433959 B CN110433959 B CN 110433959B
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China
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cavity
sorting
wall
fixedly arranged
lifting
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CN201910757946.5A
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CN110433959A (en
Inventor
刘纯
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Yiyang Xuyuan Renewable Resources Co.,Ltd.
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Individual
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Priority to CN201910757946.5A priority Critical patent/CN110433959B/en
Publication of CN110433959A publication Critical patent/CN110433959A/en
Priority to JP2019217443A priority patent/JP2021030208A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/02—Feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • 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
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
    • 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)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Sorting Of Articles (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a construction waste screening and sorting device, which comprises a screening machine body, wherein the left side of the screening machine body is provided with an elevating device, a first sorting cavity is arranged at the upper side in the screening machine body, a second sorting cavity with a downward opening is arranged at the lower side, a partition plate is fixedly arranged between the first sorting cavity and the second sorting cavity, a falling opening which penetrates through the partition plate from top to bottom is arranged on the right side of the partition plate, the invention can be used for screening and sorting construction waste more quickly and accurately, automatically lifting and conveying the dumped waste into the screening and sorting component, the recyclable materials are separated and stockpiled, crushed stones and the like are used for paving the roadbed, the generated dust is sprayed with water, the flying of the dust is reduced to the maximum extent, and the air quality of nearby areas is guaranteed.

Description

Construction waste screening and sorting classification device
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a construction waste screening and sorting device.
Background
The development and expansion of cities inevitably bring about the demolition of old buildings and the construction of new buildings, and in the process, a considerable amount of construction waste is generated every year, wherein a lot of recyclable materials exist, which are separated more quickly and accurately to save a large part of resources and save cost, while most of the existing construction waste sorting devices omit a lot of recyclable materials, and the sorted materials are stacked on the ground and need to be additionally loaded and transported, which occupies more manpower, and the dust flying during work can reduce the air quality and harm the respiratory health of nearby people. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
most of the existing building garbage sorting devices can omit a lot of recyclable materials, the sorted materials are stacked on the ground and need to be additionally loaded and transported, more manpower is occupied, and the flying dust during working can reduce the air quality and harm the respiratory health of nearby personnel.
In order to solve the above problems, the present embodiment provides a construction waste screening and sorting device, which comprises a screening machine body, an elevating device is arranged on the left side of the screening machine body, the elevating device comprises an elevating casing fixedly arranged above the left end surface of the screening machine body and inclined towards the lower left, an elevating cavity is arranged in the elevating casing, construction waste is elevated from the elevating cavity into the screening machine body, a first sorting cavity is arranged on the upper side in the screening machine body, a second sorting cavity with a downward opening is arranged on the lower side, a separation plate is fixedly arranged between the first sorting cavity and the second sorting cavity, a falling opening penetrating through the separation plate from top to bottom is arranged on the right side of the separation plate, a first sorting device is arranged in the first sorting cavity, the first sorting device comprises an electromagnet fixedly arranged on the left side of the upper wall of the first sorting cavity, the utility model discloses a garbage sorting machine, including the electro-magnet, falling mouth, first letter sorting chamber, blade, second letter sorting chamber, fan, gravel shaft, the electro-magnet is inhaled the metal object among the building rubbish and is drawn forth, first letter sorting chamber just in rotatable cutter pivot that is equipped with between the wall around the right side of falling mouth, the outer disc of cutter pivot is fixed and is equipped with the cutter rotary drum, the outer disc annular array of cutter rotary drum has six groups of blades, the plastic bag in the blade will rubbish is lacerated, be equipped with second letter sorting device in the second letter sorting chamber, second letter sorting device is including the intercommunication locate the blast chamber of second letter sorting chamber right wall, be equipped with the fan in the blast chamber, the fan is used for separating recoverable timber and plastics and the gravel in the rubbish, second letter sorting chamber right side just in the below of falling mouth is equipped with the gravel chamber, bilateral symmetry and rotatable gravel shaft that is equipped with between the wall around the gravel chamber, the outer disc of gravel shaft, four corners of the lower end surface of the screening machine body are symmetrical and are fixedly provided with support legs. The lifting device comprises a sorting inlet communicated with the lifting cavity, a dumping groove is fixedly arranged below the left end face of the lifting shell, and a garbage inlet with a leftward opening is communicated with the position of the dumping groove below the left wall of the lifting cavity.
Preferably, the lifting shaft is symmetrically and rotatably arranged between the front wall and the rear wall of the lifting cavity, the lifting belt wheels are symmetrically and fixedly arranged on the front side and the rear side of the lifting shaft, a first motor is fixedly arranged in the front wall below the lifting cavity, the front end of the lifting shaft extends into the front wall of the lifting cavity and is in power connection with the rear end of the first motor, a first conveying belt is arranged between the lifting belt wheels on the upper side and the lower side, and the outer end faces of the first conveying belts are uniformly distributed and fixedly provided with the lifting blocks.
Wherein, first sorting device includes rotatable locating between the preceding back wall in first sorting chamber below and about the conveying pivot of electro-magnet bilateral symmetry, the outer disc of conveying pivot is fixed and is equipped with the rotary drum, and the right side the rotary drum is located cutter pivot left side below, around being equipped with the second conveyer belt between the rotary drum.
Preferably, be equipped with the linkage chamber of slant upper right in the first sorting chamber antetheca, just right the right side in the linkage chamber antetheca the fixed second motor that is equipped with in conveying pivot front side, right side conveying pivot front end extends to linkage intracavity and power connect in the second motor, the conveying pivot in the linkage intracavity is fixed and is equipped with first sprocket, cutter pivot front end extends to the linkage intracavity and fixed second sprocket that is equipped with, first sprocket with around being equipped with the driving chain between the second sprocket.
Wherein, the second sorting device is located including fixed the supporting net of blast air chamber right-hand member, the fixed third motor that is equipped with of supporting net left end face, fan power connect in the third motor left end, the second sort the intracavity in the fixed division board that is equipped with between the preceding back wall of blast air chamber below, the division board left side is equipped with retrieves the chamber, the rubble chamber is located the right side of division board, both ends fixed connection in about the fixed division board lower extreme face in the filter screen that inclines down of second sort the left and right walls in chamber and rear side.
Preferably, be equipped with the gear chamber in the rubble chamber antetheca, the fixed fourth motor that is equipped with in rubble chamber antetheca, rubble axle front end extends to gear intracavity and fixed gear that is equipped with intermeshing, it is left rubble axle front end power connect in the fourth motor.
Preferably, retrieve the chamber with rubble chamber rear end face communicates respectively and is equipped with the export of empting to the opening backward, empty in the export rotatable baffle that is equipped with between the lower side left and right wall, sieve and sort organism rear end face and in it is equipped with the baffle control chamber to the opening backward to empty the export top, baffle control chamber upper wall bilateral symmetry and fixed be equipped with the fifth motor, fifth motor lower extreme power connection has the lower extreme to extend to screw rod in the baffle control chamber lower wall, gliding about the baffle control intracavity be equipped with threaded connection in the connecting block of screw rod, the connecting block rear end extends to outer and rotatable connecting rod that is equipped with, the rotatable connection of connecting rod lower extreme in terminal surface rear side under the baffle.
Preferably, a water storage cavity is formed in the right wall of the gravel cavity, a water feeding pump is fixedly arranged on the lower end face of the water storage cavity, a spray head is fixedly arranged on the left wall and the right wall of the second sorting cavity below the filter screen, and water in the water storage cavity is sprayed out by the spray head to reduce flying of dust.
The invention has the beneficial effects that: the invention can be used for more rapidly and accurately screening and sorting construction waste, automatically lifting and transporting the dumped waste into the screening part, separating and piling the recyclable materials in the screening part, crushing broken stones and the like for paving a roadbed, reducing the flying of dust to the maximum extent by spraying water on the generated dust, and ensuring the air quality of the nearby area.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic overall structure diagram of a construction waste screening and sorting device according to the present invention;
FIG. 2 is a sectional view taken in the direction "A-A" of FIG. 1;
FIG. 3 is a sectional view taken in the direction "B-B" of FIG. 2;
fig. 4 is a cross-sectional view taken along the direction "C-C" of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a construction waste screening and sorting device which is mainly applied to the screening and sorting work of construction waste, and the invention is further explained by combining the attached drawings of the invention:
the construction waste screening and sorting device comprises a screening machine body 11, wherein an elevating device 101 is arranged on the left side of the screening machine body 11, the elevating device 101 comprises an elevating shell 12 which is fixedly arranged above the left end surface of the screening machine body 11 and inclines towards the lower left, an elevating cavity 13 is arranged in the elevating shell 12, construction waste is elevated from the elevating cavity 13 to the inside of the screening machine body 11, a first sorting cavity 21 is arranged on the upper side in the screening machine body 11, a second sorting cavity 22 with a downward opening is arranged on the lower side, a partition plate 23 is fixedly arranged between the first sorting cavity 21 and the second sorting cavity 22, a falling opening 55 which penetrates through the partition plate 23 from top to bottom is arranged on the right side, a first sorting device 102 is arranged in the first sorting cavity 21, the first sorting device 102 comprises an electromagnet 24 which is fixedly arranged on the left side of the upper wall of the first sorting cavity 21, the electromagnet 24 sucks and draws out metal objects in the construction waste, the first sorting cavity 21 is arranged between the front wall and the rear wall of the right side of the falling opening 55 and is rotatably provided with a cutter rotating shaft 28, the outer circular surface of the cutter rotating shaft 28 is fixedly provided with a cutter rotating cylinder 29, the outer circular surface annular array of the cutter rotating cylinder 29 is provided with six groups of blades 30, the blades 30 break plastic bags in the waste, the second sorting cavity 22 is internally provided with a second sorting device 103, the second sorting device 103 comprises an air blowing cavity 35 communicated with the right wall of the second sorting cavity 22, the air blowing cavity 35 is internally provided with a fan 38, the fan 38 is used for separating recyclable wood and plastic in the waste from broken stones, the right side of the second sorting cavity 22 is provided with a broken stone cavity 41 below the falling opening 55, and the broken stone shafts 44 are symmetrically and rotatably arranged between the front wall and the rear wall of the broken stone cavity 41, the outer disc of rubble axle 44 is fixed and is equipped with rubble roller 45, rubble roller 45 is smashed the rubble, terminal surface four corners symmetry and the fixed stabilizer blade 56 that is equipped with under the sieve sorting organism 11.
According to an embodiment, the following describes in detail the lifting device 101, the lifting device 101 includes a sorting inlet 20 disposed above the left wall of the first sorting chamber 21 and communicating with the lifting chamber 13, a dumping chute 14 is fixedly disposed below the left end surface of the lifting housing 12, and a garbage inlet 15 with a left opening is disposed below the left wall of the lifting chamber 13 and communicating with the dumping chute 14.
Beneficially, an elevating shaft 17 is vertically and symmetrically and rotatably arranged between the front wall and the rear wall of the elevating cavity 13, elevating belt wheels 18 are symmetrically and fixedly arranged on the front side and the rear side of the elevating shaft 17, a first motor 16 is fixedly arranged in the front wall below the elevating cavity 13, the front end of the elevating shaft 17 extends into the front wall of the elevating cavity 13 and is dynamically connected to the rear end of the first motor 16, a first conveying belt 19 is wound between the elevating belt wheels 18 on the upper side and the lower side, and elevating blocks 61 are uniformly distributed and fixedly arranged on the outer end surface of the first conveying belt 19.
According to the embodiment, the first sorting device 102 is described in detail below, the first sorting device 102 includes a conveying spindle 25 rotatably disposed between the front and rear walls below the first sorting chamber 21 and bilaterally symmetric with respect to the electromagnet 24, a drum 26 is fixedly disposed on the outer circumferential surface of the conveying spindle 25, the drum 26 on the right side is disposed below the left side of the cutter spindle 28, and a second conveyor belt 27 is wound between the drums 26.
Beneficially, a linkage cavity 31 inclined to the upper right is arranged in the front wall of the first sorting cavity 21, a second motor 57 is fixedly arranged in the front wall of the linkage cavity 31 and right opposite to the right side, the front side of the conveying rotating shaft 25 on the right side extends into the linkage cavity 31 and is in power connection with the second motor 57, a first chain wheel 32 is fixedly arranged in the linkage cavity 31 of the conveying rotating shaft 25, a second chain wheel 33 is fixedly arranged in the linkage cavity 31 of the front end of the cutter rotating shaft 28, and a transmission chain 34 is wound between the first chain wheel 32 and the second chain wheel 33.
According to the embodiment, the second sorting device 103 is described in detail below, the second sorting device 103 includes a supporting net 36 fixedly disposed at the right end of the air blowing cavity 35, a third motor 37 is fixedly disposed on the left end surface of the supporting net 36, the fan 38 is dynamically connected to the left end of the third motor 37, a partition plate 39 is fixedly disposed between the front wall and the rear wall of the air blowing cavity 35 in the second sorting cavity 22, a recycling cavity 40 is disposed on the left side of the partition plate 39, the crushed stone cavity 41 is disposed on the right side of the partition plate 39, and a filter screen 42 is fixedly disposed on the lower end surface of the partition plate 39, and the left end and the right end of the filter screen are fixedly connected to the left wall and the right wall of the second sorting cavity 22 and the rear side of the filter screen.
Advantageously, a gear cavity 43 is arranged in the front wall of the gravel cavity 41, a fourth motor 58 is fixedly arranged on the front wall of the gravel cavity 41, the front end of the gravel shaft 44 extends into the gear cavity 43 and is fixedly provided with a gear 59 which is meshed with the gear, and the front end of the gravel shaft 44 on the left side is in power connection with the fourth motor 58.
Beneficially, the rear end faces of the recovery cavity 40 and the crushed stone cavity 41 are respectively communicated with an inclined outlet 46 with a backward opening, a baffle 47 is rotatably arranged between the left wall and the right wall of the inner lower side of the inclined outlet 46, a baffle control cavity 48 with a backward opening is arranged above the inclined outlet 46, fifth motors 49 are symmetrically arranged on the upper wall of the baffle control cavity 48 in a left-right mode and fixedly arranged on the upper wall of the baffle control cavity 48, the lower end of each fifth motor 49 is in power connection with a screw rod 50 with the lower end extending into the lower wall of the baffle control cavity 48, a connecting block 51 in the baffle control cavity 48 is in threaded connection with the screw rod 50 in a vertically sliding mode, the rear end of the connecting block 51 extends to the outside and is rotatably provided with a connecting rod 52, and the lower end of the connecting rod 52 is rotatably.
Beneficially, a water storage cavity 53 is arranged in the right wall of the gravel cavity 41, a water supply pump 54 is fixedly arranged on the lower end face of the water storage cavity 53, a spray head 60 is fixedly arranged on the left wall and the right wall of the second sorting cavity 22 below the filter screen 42, and the water supply pump 54 sprays water in the water storage cavity 53 through the spray head 60 to reduce flying of dust.
The following describes in detail the use steps of a construction waste screening and sorting device in the present document with reference to fig. 1 to 4:
initially, connecting block 51 is in the upper limit position and flapper 47 is in the upright position.
When the garbage dumping device works, construction garbage is dumped into the dumping groove 14 and enters the lifting cavity 13 through the garbage inlet 15, the first motor 16 is started to drive the lifting shaft 17 to rotate clockwise, the lifting shaft 17 drives the lifting belt wheel 18 below to rotate so as to drive the first conveying belt 19 to rotate, the lifting block 61 lifts the construction garbage entering the lifting cavity 13 upwards and dumps the construction garbage to the upper end surface of the second conveying belt 27 through the sorting inlet 20, the second motor 57 is started to drive the conveying rotating shaft 25 on the right side to rotate clockwise so as to drive the revolving drum 26 and the second conveying belt 27 to rotate, the second conveying belt 27 drives the garbage to move to the right, the electromagnet 24 is electrified to suck metal in the garbage to the lower end surface of the electromagnet 24, the conveying rotating shaft 25 drives the first chain wheel 32 to rotate so as to drive the second chain wheel 33 to rotate synchronously through the conveying chain 34, and then the cutter revolving drum 29 and the cutter blade 30 are driven to rotate through the, the blade 30 cuts the plastic bag in the garbage to prevent the garbage from containing recoverable objects, the third motor 37 is started to drive the fan 38 to rotate and blow air leftwards, the garbage falls into the second sorting cavity 22 through the falling opening 55, the fan 38 blows the wood, plastic and the like in the garbage into the recycling cavity 40 to be stacked, the broken stone and glass and the like can be used for laying the roadbed and fall between the broken stone rollers 45, the fourth motor 58 rotates to drive the left broken stone shaft 44 to rotate, the right broken stone shaft 44 is driven to synchronously rotate in the reverse direction through gear engagement, the broken stone rollers 45 crush and stack the fallen garbage in the broken stone cavity 41, the filter screen 42 filters the powdery garbage in the recycling cavity 40 and the broken stone cavity 41, the water pump 54 is started to spray the water in the water storage cavity 53 through the spray nozzle 60 to reduce flying dust, when a vehicle transports, the fifth motor 49 starts to drive the screw 50 to rotate, the connecting block 51 is driven to slide downwards through thread engagement, and then baffle 47 overturns downwards, and the rubbish of piling up in retrieving chamber 40 or rubble chamber 41 is emptyd out, and the fifth motor 49 reversal drives connecting block 51 and slides upward when toppling over and accomplish, and then baffle 47 overturns to vertical state again.
The invention has the beneficial effects that: the invention can be used for more rapidly and accurately screening and sorting construction waste, automatically lifting and transporting the dumped waste into the screening part, separating and piling the recyclable materials in the screening part, crushing broken stones and the like for paving a roadbed, reducing the flying of dust to the maximum extent by spraying water on the generated dust, and ensuring the air quality of the nearby area.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims (1)

1. A construction waste screening and sorting device comprises a screening machine body, wherein an elevating device is arranged on the left side of the screening machine body, the elevating device comprises an elevating shell which is fixedly arranged above the left end surface of the screening machine body and inclines towards the lower left side, an elevating cavity is arranged in the elevating shell, and construction waste is elevated into the screening machine body from the elevating cavity; a first sorting cavity is formed in the upper side in the screening machine body, a second sorting cavity with a downward opening is formed in the lower side, a partition plate is fixedly arranged between the first sorting cavity and the second sorting cavity, and a falling opening penetrating through the partition plate from top to bottom is formed in the right side of the partition plate; the first sorting cavity is internally provided with a first sorting device, the first sorting device comprises an electromagnet fixedly arranged on the left side of the upper wall of the first sorting cavity, the electromagnet sucks and draws out metal objects in the construction waste, a cutter rotating shaft is rotatably arranged between the front wall and the rear wall of the right side of the falling opening of the first sorting cavity, a cutter rotating drum is fixedly arranged on the outer circular surface of the cutter rotating shaft, six groups of blades are arranged on the outer circular surface of the cutter rotating drum in an annular array mode, and the blades break plastic bags in the waste; a second sorting device is arranged in the second sorting cavity and comprises an air blowing cavity communicated with the right wall of the second sorting cavity, a fan is arranged in the air blowing cavity and used for separating recyclable wood and plastics in garbage from broken stones, a broken stone cavity is arranged on the right side of the second sorting cavity and below the falling opening, broken stone shafts are symmetrically and rotatably arranged between the front wall and the rear wall of the broken stone cavity in a bilateral mode, broken stone rollers are fixedly arranged on the outer circumferential surface of each broken stone shaft, and the broken stones are crushed by the broken stone rollers; four corners of the lower end surface of the screening machine body are symmetrical and are fixedly provided with support legs; the lifting device comprises a sorting inlet which is communicated above the left wall of the first sorting cavity and communicated with the lifting cavity; a dumping groove is fixedly arranged below the left end face of the lifting shell, and a garbage inlet with a leftward opening is communicated with the position below the left wall of the lifting cavity and in the dumping groove; the lifting shaft is vertically and symmetrically and rotatably arranged between the front wall and the rear wall of the lifting cavity, and lifting belt wheels are symmetrically and fixedly arranged on the front side and the rear side of the lifting shaft; a first motor is fixedly arranged in the front wall below the lifting cavity, the front end of the lifting shaft extends into the front wall of the lifting cavity, and the front end of the lifting shaft is connected with the rear end of the first motor in a power mode; a first conveying belt is wound between the lifting belt wheels at the upper side and the lower side, and lifting blocks are uniformly distributed and fixedly arranged on the outer end face of the first conveying belt; the first sorting device comprises a conveying rotating shaft which is rotatably arranged between the front wall and the rear wall below the first sorting cavity and is bilaterally symmetrical relative to the electromagnet, a rotating drum is fixedly arranged on the outer circular surface of the conveying rotating shaft, the rotating drum on the right side is positioned below the left side of the cutter rotating shaft, and a second conveying belt is wound between the rotating drums; a linkage cavity which is inclined to the upper right is arranged in the front wall of the first sorting cavity, a second motor is fixedly arranged in the front wall of the linkage cavity and right faces the front side of the right conveying rotating shaft, and the front end of the right conveying rotating shaft extends into the linkage cavity and is in power connection with the second motor; a first chain wheel is fixedly arranged in the linkage cavity of the conveying rotating shaft, the front end of the cutter rotating shaft extends into the linkage cavity and is fixedly provided with a second chain wheel, and a transmission chain is wound between the first chain wheel and the second chain wheel; the second sorting device comprises a supporting net fixedly arranged at the right end of the air blowing cavity, a third motor is fixedly arranged on the left end face of the supporting net, and the fan is in power connection with the left end of the third motor; a partition board is fixedly arranged in the second sorting cavity between the front wall and the rear wall below the blast cavity, and a recovery cavity is arranged on the left side of the partition board; the gravel cavity is positioned on the right side of the isolation plate, and the lower end face of the isolation plate is fixedly provided with a filter screen of which the left end and the right end are fixedly connected to the left wall and the right wall of the second sorting cavity and the rear side is inclined downwards; a gear cavity is arranged in the front wall of the gravel cavity, a fourth motor is fixedly arranged on the front wall of the gravel cavity, the front end of the gravel shaft extends into the gear cavity and is fixedly provided with gears which are meshed with each other, and the front end of the left gravel shaft is dynamically connected to the fourth motor; the rear end surfaces of the recovery cavity and the gravel cavity are respectively communicated with a pouring outlet with a backward opening;
a baffle is rotatably arranged between the left wall and the right wall of the lower side in the dumping outlet, a baffle control cavity with a backward opening is arranged on the rear end surface of the screening machine body and above the dumping outlet, the upper wall of the baffle control cavity is bilaterally symmetrical and is fixedly provided with a fifth motor, and the lower end of the fifth motor is in power connection with a screw rod of which the lower end extends into the lower wall of the baffle control cavity; the baffle control cavity is internally provided with a connecting block which is connected with the screw rod in a threaded manner and can slide up and down, the rear end of the connecting block extends to the outside and is rotatably provided with a connecting rod, and the lower end of the connecting rod is rotatably connected to the rear side of the lower end surface of the baffle; the water storage cavity is arranged in the right wall of the gravel cavity, a water feeding pump is fixedly arranged on the lower end face of the water storage cavity, a spray head is fixedly arranged on the left wall and the right wall of the second sorting cavity below the filter screen, and water in the water storage cavity is sprayed out by the spray head to reduce flying of dust.
CN201910757946.5A 2019-08-16 2019-08-16 Construction waste screening and sorting classification device Active CN110433959B (en)

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