CN109225424B - Construction waste treatment device - Google Patents

Construction waste treatment device Download PDF

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Publication number
CN109225424B
CN109225424B CN201810996194.3A CN201810996194A CN109225424B CN 109225424 B CN109225424 B CN 109225424B CN 201810996194 A CN201810996194 A CN 201810996194A CN 109225424 B CN109225424 B CN 109225424B
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China
Prior art keywords
crushing
box
roller
extrusion
cutting blade
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Active
Application number
CN201810996194.3A
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Chinese (zh)
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CN109225424A (en
Inventor
渠衍飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Xinjufu Building Materials Co ltd
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Chongqing Anping Construction Co ltd
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Priority to CN201810996194.3A priority Critical patent/CN109225424B/en
Publication of CN109225424A publication Critical patent/CN109225424A/en
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    • 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
    • B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • 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
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
    • 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
    • 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
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • 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

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a construction waste treatment device, which comprises a feeding hopper, a conveying box and a crushing box, wherein the feeding hopper is arranged at the upper part of the feeding box; a feeding box is communicated below the feeding hopper, feeding rollers distributed at equal intervals are arranged in the feeding box, a crushing box is communicated on the right side of the feeding box, and a cutting blade roller is arranged at the communication position of the feeding box and the crushing box; the crushing incasement is equipped with the extrusion roller set, and extrusion roller set below is equipped with crushing sword, and crushing sword below is equipped with the sieve, and the butt of sieve below has the cam. According to the invention, the cutting blade roller is arranged to cut the building garbage blocks to be crushed, so that the garbage blocks are separated, the subsequent crushing is facilitated, and the overall treatment efficiency is improved; the sieve plate which vibrates up and down is arranged below the crushing knife, so that garbage blocks which do not reach the crushing granularity are contacted with the crushing knife again while the sieve plate is prevented from being blocked, and the crushing effect is ensured; the garbage blocks are quickly and efficiently treated through the cutting, crushing and smashing three-stage mechanism, and follow-up transportation and recycling are facilitated.

Description

Construction waste treatment device
Technical Field
The invention relates to the field of buildings, in particular to a construction waste treatment device.
Background
Construction waste is solid waste generated during the process of building construction, reconstruction, extension or demolition. According to different generation sources of the construction waste, the construction waste and the demolished construction waste can be divided. The construction waste is solid waste generated in new construction, reconstruction or extension projects, and the demolition construction waste is construction waste generated in demolition and demolition of buildings.
The demolished construction waste mostly exists in a block shape, is inconvenient to transport and needs to be crushed, and if the demolished construction waste needs to be recycled, the demolished construction waste also needs to be crushed into particles to be utilized; the traditional crushing mode is that a drill bit is manually used or a drilling machine is driven to crush, the crushing effect is uneven, the crushing effect cannot be guaranteed, and transportation and recycling are not facilitated.
Disclosure of Invention
The present invention is directed to a construction waste disposal apparatus to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a construction waste treatment device comprises a feeding hopper, a conveying box and a crushing box; a material conveying box is communicated with the lower part of the feeding hopper, and material conveying rollers distributed at equal intervals are arranged in the material conveying box; the right side of the material conveying box is communicated with a crushing box, and a cutting blade roller is arranged at the communication position of the material conveying box and the crushing box; an extrusion roller set is arranged in the crushing box, and a guide plate is arranged outside the extrusion roller set; a crushing knife is arranged below the extrusion roller group, the crushing knife is fixedly connected with a rotating shaft, the rotating shaft penetrates through the crushing box and extends to the lower part of the crushing box, and the rotating shaft is connected with an output shaft of a third driving motor through a coupler; a sieve plate is arranged below the crushing knife, and a cam is abutted to the lower part of the sieve plate; the lower end of the crushing box is provided with an inclined bottom plate, and one side of the crushing box, which is positioned at the lower end of the bottom plate, is provided with an unloading door plate.
As a further scheme of the invention: the conveying rollers are rotatably connected with the inner wall of the conveying box, the conveying rollers are connected through a first transmission belt, the conveying rollers at the end parts are connected with an output shaft of a first driving motor through a second transmission belt, and the first driving motor is fixedly connected with the lower end face of the conveying box in a bolt fixing mode.
As a further scheme of the invention: cutting blade has cutting blade on the cutting blade roller equidistantly, and cutting blade roller rotates with defeated workbin inner wall to be connected, and cutting blade roller is connected with a driving motor's output shaft through third driving belt, and defeated workbin is equipped with the bottom plate of slope.
As a further scheme of the invention: the extrusion roller group comprises a pair of extrusion rollers which are horizontally arranged, and the guide plate is in a sawtooth shape and is nested with the extrusion teeth of the extrusion rollers.
As a further scheme of the invention: and the pair of horizontally arranged extrusion rollers are provided with extrusion teeth which are distributed in a mutually staggered manner.
As a further scheme of the invention: the squeezing rollers of the squeezing roller group are meshed through a transmission gear, the squeezing roller group is connected with an output shaft of a second driving motor through a fourth transmission belt, and the second driving motor is fixedly connected with the outer wall of the crushing box through a mounting plate.
As a further scheme of the invention: the sieve plate is sleeved with the rotating shaft, sliding blocks are arranged on two sides of the sieve plate, and a sliding groove matched with the sliding blocks is formed in the inner wall of the crushing box.
As a further scheme of the invention: the cam is fixedly connected with a driven shaft, the driven shaft is rotatably connected with the inner wall of the crushing box through a bearing seat, and the inner side of the driven shaft is connected with the rotating shaft through a transmission gear set.
As a further scheme of the invention: the inner wall of the upper end of the crushing box is fixedly connected with a dust hood, the dust hood is communicated with an induced draft fan through a pipeline, and the induced draft fan is communicated with a cyclone settling cylinder through a pipeline.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the construction waste blocks to be crushed are cut by the cutting blade roller, and the waste blocks are divided, so that the subsequent crushing is facilitated, and the overall treatment efficiency is improved; the sieve plate which vibrates up and down is arranged below the crushing knife, so that garbage blocks which do not reach the crushing granularity are contacted with the crushing knife again while the sieve plate is prevented from being blocked, and the crushing effect is ensured; the garbage blocks are quickly and efficiently treated through the cutting, crushing and smashing three-stage mechanism, and follow-up transportation and recycling are facilitated.
Drawings
FIG. 1 is a schematic view of the internal structure of a construction waste disposal apparatus;
FIG. 2 is a schematic top view of a cutting blade roller in the construction waste management device;
FIG. 3 is a schematic top view of the squeeze roll group in the construction waste disposal apparatus;
fig. 4 is a schematic structural diagram of the construction waste treatment device with the cyclone settling cylinder.
In the figure: 1-a feeding hopper; 2-a material conveying box; 3-a delivery roller; 4-a first drive belt; 5-a second drive belt; 6-a first drive motor; 7-crushing box; 8-a cutting blade roller; 9-a third drive belt; 10-an extrusion roller set; 11-extrusion teeth; 12-a material guide plate; 13-a fourth drive belt; 15-crushing knife; 16-a rotating shaft; 17-sieve plate; 18-a slide block; 19-a chute; 20-a cam; 21-a driven shaft; 22-a drive gear set; 23-a third drive motor; 24-a discharge door panel; 25-dust collecting hood; 26-a draught fan; 27-cyclone settling cylinder.
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.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a construction waste treatment apparatus includes a feeding hopper 1, a feeding box 2 and a crushing box 7; feeding hopper 1 below intercommunication has defeated workbin 2, is equipped with the defeated material roller 3 that the equidistance distributes in the defeated workbin 2, defeated material roller 3 is connected with defeated workbin 2 inner walls rotation, connect through first driving belt 4 between the defeated material roller 3, the defeated material roller 3 of tip is connected with first driving motor 6's output shaft through second driving belt 5, first driving motor 6 passes through bolt fastening's mode and defeated workbin 2 lower terminal surface fixed connection, first driving motor 6 drives defeated material roller 3 and rotates and carry the building rubbish piece.
2 right sides of defeated workbin intercommunication have crushing case 7, defeated workbin 2 is equipped with cutting blade roller 8 with crushing 7 intercommunication departments of case, equidistant distribution has cutting blade on cutting blade roller 8, cutting blade roller 8 rotates with 2 inner walls of defeated workbin to be connected, cutting blade roller 8 is connected with first driving motor 6's output shaft through third driving belt 9, first driving motor 6 drives cutting blade roller 8 and rotates, cutting blade cuts the building rubbish piece, be convenient for follow-up further crushing, defeated workbin 2 is equipped with the bottom plate of slope, the disintegrating slag of being convenient for gets into in crushing case 7.
An extrusion roller set 10 is arranged in the crushing box 7, the extrusion roller set 10 comprises a pair of horizontally arranged extrusion rollers, and extrusion teeth 11 which are distributed in a mutually staggered manner are arranged on the pair of extrusion rollers, so that the garbage can be conveniently extruded and crushed, and the crushing effect is ensured; a material guide plate 12 is arranged on the outer side of the extrusion roller group, and the material guide plate 12 is in a sawtooth shape and is nested with the extrusion teeth of the extrusion roller, so that the crushing effect is ensured; the squeezing rollers of the squeezing roller group 10 are meshed through a transmission gear, the squeezing roller group 10 is connected with an output shaft of a second driving motor 14 through a fourth transmission belt 13, and the second driving motor 14 is fixedly connected with the outer wall of the smashing box 7 through a mounting plate.
A crushing knife 15 is arranged below the extrusion roller group 10, the crushing knife 15 is fixedly connected with a rotating shaft 16, the rotating shaft 16 penetrates through the crushing box 7 and extends to the lower part of the crushing box 7, the rotating shaft 16 is connected with an output shaft of a third driving motor 23 through a coupler, and the third driving motor 23 drives the crushing knife 15 to crush crushed slag, so that the crushed slag particles are further granulated, and the particles are in gaps and are convenient to transport; smash 15 below of sword and be equipped with sieve 17, sieve 17 cup joints with axis of rotation 16, sieve 17 both sides are equipped with slider 18, smash 7 inner walls of case be equipped with slider 18 complex spout 19, sieve 17 below butt has cam 20, cam 20 fixedly connected with driven shaft 21, driven shaft 21 passes through the bearing frame and is connected with smashing 7 inner walls of case rotation, driven shaft 21 inboard is connected with axis of rotation 16 through drive gear group 22, axis of rotation 16 drives driven shaft 21 and cam 20 rotates, cam 20 promotes sieve 17 vibration from top to bottom, avoid the sieve to block up and promote the granule that does not sieve simultaneously and the crushing sword 15 contact of top, guarantee to smash the screening effect. The lower end of the crushing box 7 is provided with an inclined bottom plate, and the discharging door plate 24 is arranged on one side, located at the lower end of the bottom plate, of the crushing box 7, so that discharging is facilitated.
Example 2
Referring to fig. 4, the difference between the present embodiment and embodiment 1 is: smash case 7 upper end inner wall fixedly connected with dust cage 25, dust cage 25 has draught fan 26 through the pipeline intercommunication, and draught fan 26 has a whirlwind section of thick bamboo 27 through the pipeline intercommunication, carries out the absorption of initiative to the dust in the crushing process, avoids the dust excessive, pollutes the operation environment.
The following are specifically mentioned: in the application, a feeding hopper, a conveying roller, an extrusion roller set, a crushing cutter, a sieve plate and a cyclone settling cylinder are in the prior art, and a cutting blade roller, a cam, a sliding block, a sliding chute and a driven shaft are innovation points of the application; the cutting blade roller is arranged to cut the building garbage blocks to be crushed, so that the garbage blocks are cut, the subsequent crushing is facilitated, and the overall treatment efficiency is improved; the sieve plate which vibrates up and down is arranged below the crushing knife, so that garbage blocks which do not reach the crushing granularity are contacted with the crushing knife again while the sieve plate is prevented from being blocked, and the crushing effect is ensured; the garbage blocks are quickly and efficiently treated through the cutting, crushing and smashing three-stage mechanism, and follow-up transportation and recycling are facilitated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. A construction waste treatment device comprises a feeding hopper (1), a conveying box (2) and a crushing box (7); the device is characterized in that a material conveying box (2) is communicated below the feeding hopper (1), and material conveying rollers (3) distributed at equal intervals are arranged in the material conveying box (2); the right side of the material conveying box (2) is communicated with a crushing box (7), and a cutting blade roller (8) is arranged at the communication position of the material conveying box (2) and the crushing box (7); an extrusion roller set (10) is arranged in the crushing box (7), and a material guide plate (12) is arranged outside the extrusion roller set; a crushing knife (15) is arranged below the extrusion roller group (10), the crushing knife (15) is fixedly connected with a rotating shaft (16), the rotating shaft (16) penetrates through the crushing box (7) and extends to the lower part of the crushing box (7), and the rotating shaft (16) is connected with an output shaft of a third driving motor (23) through a coupling; a sieve plate (17) is arranged below the crushing knife (15), and a cam (20) is abutted below the sieve plate (17); the crushing case (7) lower extreme is equipped with the bottom plate of slope, crushing case (7) are located bottom plate low side and are equipped with door plant (24) of unloading, defeated material roller (3) are connected with defeated material case (2) inner wall rotation, connect through first driving belt (4) between defeated material roller (3), defeated material roller (3) of tip are connected with the output shaft of first driving motor (6) through second driving belt (5), first driving motor (6) are through bolt fastening's mode and defeated terminal surface fixed connection under material case (2), equidistant distribution has cutting blade on cutting blade roller (8), cutting blade roller (8) are connected with defeated material case (2) inner wall rotation, cutting blade roller (8) are connected with the output shaft of first driving motor (6) through third driving belt (9), defeated material case (2) are equipped with the bottom plate of slope, squeeze roll group (10) include a pair of squeeze roll that the level set up, the guide plate (12) is in a sawtooth shape and is nested with extrusion teeth of the extrusion rollers, the extrusion rollers horizontally arranged are provided with extrusion teeth (11) which are distributed in a mutually staggered manner, the extrusion rollers of the extrusion roller group (10) are meshed through a transmission gear, the extrusion roller group (10) is connected with an output shaft of a second driving motor (14) through a fourth transmission belt (13), the second driving motor (14) is fixedly connected with the outer wall of the crushing box (7) through a mounting plate, the sieve plate (17) is sleeved with a rotating shaft (16), sliding blocks (18) are arranged on two sides of the sieve plate (17), the inner wall of the crushing box (7) is provided with a sliding groove (19) matched with the sliding blocks (18), a driven shaft (21) is fixedly connected with the cam (20), the driven shaft (21) is rotatably connected with the inner wall of the crushing box (7) through a bearing seat, the inner side of the driven shaft (21) is connected, the rotating shaft drives the driven shaft and the cam to rotate, the cam pushes the sieve plate to vibrate up and down, the sieve plate is prevented from being blocked, meanwhile, particles which are not sieved are pushed to be in contact with the crushing cutter above the sieve plate, the building garbage blocks to be crushed are cut through the cutting blade roller, and the garbage blocks are cut to facilitate subsequent crushing; the garbage blocks are quickly and efficiently treated through the cutting, crushing and smashing three-stage mechanism, and follow-up transportation and recycling are facilitated.
2. The construction waste treatment device according to claim 1, wherein a dust hood (25) is fixedly connected to the inner wall of the upper end of the crushing box (7), the dust hood (25) is communicated with an induced draft fan (26) through a pipeline, and the induced draft fan (26) is communicated with a cyclone settling cylinder (27) through a pipeline.
CN201810996194.3A 2018-08-29 2018-08-29 Construction waste treatment device Active CN109225424B (en)

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CN109225424B true CN109225424B (en) 2021-06-11

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CN110947741A (en) * 2019-12-20 2020-04-03 兰州理工大学 Device for manufacturing concrete building material by using construction waste
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CN112642524A (en) * 2020-11-19 2021-04-13 绍兴市鼎泰节能环保科技有限公司 Industrial solid waste resourceful treatment device
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CN109225424A (en) 2019-01-18

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