CN112191308A - A waste material processing apparatus for construction - Google Patents
A waste material processing apparatus for construction Download PDFInfo
- Publication number
- CN112191308A CN112191308A CN202010824069.1A CN202010824069A CN112191308A CN 112191308 A CN112191308 A CN 112191308A CN 202010824069 A CN202010824069 A CN 202010824069A CN 112191308 A CN112191308 A CN 112191308A
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- China
- Prior art keywords
- grinding
- fixedly connected
- box body
- rod
- coarse
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Classifications
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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
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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
- 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
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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
- 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
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
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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
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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
- 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)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a waste treatment device for building construction, which comprises a bottom plate, a box body and a grinding assembly, wherein the bottom plate is provided with a plurality of grooves; the feeding port and the discharging port are formed in the box body, the grinding assembly comprises a coarse grinding device and a fine grinding device, the coarse grinding device is located above the fine grinding device, the coarse grinding device comprises a coarse grinding roller, and the coarse grinding roller is rotatably installed below the feeding port. The waste material of the device is subjected to primary treatment by the coarse grinding device and then is subjected to fine grinding again by the fine grinding device, the residual construction waste material on the filter plate can be pushed to the side edge of the filter plate through the mounting block, the protrusion on the coarse grinding roller is fastened, and the waste material is further rolled between the coarse grinding rollers for repeated grinding, so that the grinding effect is improved; meanwhile, the rotating wheel is in contact with the waste materials, and the friction force between the rotating wheel and the waste materials enables the clamping between the waste materials and the filter plate to be removed, so that the actual pushing effect is improved; the stirring plate further uniformly spreads the waste on the fine grinding roller; thereby having good application prospect.
Description
Technical Field
The invention relates to the field of buildings, in particular to a waste treatment device for building construction.
Background
With the acceleration of urbanization, the rapid development of urban transformation and building industry, and the aging and service life expiration of old buildings and urban infrastructures, more and more construction projects are scrapped and dismantled, and then a large amount of building dismantling waste and garbage are generated to be treated. When the conventional waste treatment device is used for treating waste, most of the waste treatment device adopts a crushing roller or an extrusion device to discharge after one-time treatment, so that the construction waste with larger volume cannot be completely crushed, the treatment effect of the waste cannot be ensured, and the later-stage waste recovery is not facilitated; and a large amount of dust can be generated in the crushing process, which brings adverse effect to the environment.
Disclosure of Invention
The present invention is directed to a waste treatment apparatus for building construction to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a waste treatment device for building construction comprises a bottom plate, a box body and a grinding assembly; the box body is provided with a feeding port and a discharging port, the grinding assembly comprises a coarse grinding device and a fine grinding device, the coarse grinding device is positioned above the fine grinding device, the coarse grinding device comprises coarse grinding rollers, the coarse grinding rollers are rotatably arranged below the feeding port, the coarse grinding rollers are symmetrically provided with two groups, a driving device is arranged on a rotating shaft of each coarse grinding roller, and a filter plate is arranged below each coarse grinding roller; the fine grinding device comprises fine grinding rollers, the fine grinding rollers are rotatably arranged in the box body, the axial directions of the fine grinding rollers are perpendicular to the axial direction of the coarse grinding roller, the fine grinding rollers are rotatably arranged on the box body in two groups, and rotating shafts of the fine grinding rollers are connected through gear pairs; the grinding motor is fixedly connected to the bottom plate, and the grinding motor is in transmission connection with a rotating shaft of the fine grinding roller through a belt pair.
As a further scheme of the invention: a dust absorption pipeline is fixedly connected to the upper part of the box body, a dust absorption fan is fixedly connected to the interior of the pipeline, and an isolation net is arranged at the tail end of the dust absorption pipeline; the box body is fixedly connected with a dust fall sprayer, and the dust fall sprayer is connected with a water inlet pipe.
As a still further scheme of the invention: the coarse grinding roller is fixedly connected with the bulge.
As a still further scheme of the invention: the pushing device comprises an installation block, a push rod, a rotating wheel, a push block and a driving assembly, wherein the push rod is an incompressible flexible rod, and the installation block is fixedly connected to the tail end of the push rod; the rotating wheel is rotatably arranged on the mounting block, the power device is arranged on the rotating wheel, the pushing block is elastically arranged on the mounting block, the mounting block can slide along the filter plate, and the pushing rod is fixedly connected with the driving assembly.
As a still further scheme of the invention: the driving device comprises a sliding rod, a first connecting rod, a second connecting rod and a rotary table, the rotary table is rotatably mounted on the box body, the rotary table is connected with a rotating shaft of the grinding motor through a belt pair, the second connecting rod is hinged to the side edge of the rotary table, the second connecting rod is hinged to the first connecting rod, a sliding groove is formed in the side edge of the box body, and the push rod is slidably arranged in the sliding groove; the sliding groove is internally provided with a sliding rod in a sliding mode, and the sliding rod is fixedly connected with the first connecting rod.
As a still further scheme of the invention: the bottom plate is fixedly connected with a support, and the bottom of the support is fixedly connected with an anti-slip mat.
As a still further scheme of the invention: a screw rod is rotatably arranged in the box body, and a shifting plate is sleeved on the screw rod; a limiting rod is fixedly connected in the box body, the shifting plate and the limiting rod are arranged in a sliding manner, and the limiting rod and the screw rod are arranged in parallel; the lead screw is fixedly connected with a load transferring motor.
Compared with the prior art, the invention has the beneficial effects that: the device has a simple and reasonable structure, the waste is subjected to primary treatment by the coarse grinding device and then is subjected to fine grinding again by the fine grinding device, the side edge of the filter plate to which the residual construction waste on the filter plate can be pushed by the mounting block, the protrusion on the coarse grinding roller is fastened, and the waste is further rolled between the coarse grinding rollers for repeated grinding, so that the grinding effect is improved; meanwhile, the rotating wheel is in contact with the waste materials, and the friction force between the rotating wheel and the waste materials enables the clamping between the waste materials and the filter plate to be removed, so that the actual pushing effect is improved; the stirring plate further uniformly spreads the waste on the fine grinding roller; thereby having good application prospect.
Drawings
Fig. 1 is a schematic structural view of a waste treatment apparatus for construction.
Fig. 2 is a schematic view of the structure of a refining assembly in a waste treatment apparatus for construction.
Fig. 3 is an enlarged view of a waste treatment apparatus for building construction.
Fig. 4 is a schematic structural view of a coarse grinding roller in a waste treatment apparatus for construction.
In the figure: 1-bottom plate, 2-bracket, 3-grinding motor, 4-fine grinding roller, 5-feed opening, 6-lead screw, 7-shifting plate, 8-dust outlet fan, 9-isolation net, 10-filter plate, 11-dust outlet nozzle, 12-rotary table, 13-connecting rod I, 14-connecting rod II, 15-slide bar, 16-slide groove, 17-push rod, 18-feeding opening, 19-coarse grinding roller, 20-box, 21-rotating wheel, 22-push block, 23-limiting rod, 24-bulge, 25-shifting motor and 26-mounting block.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Example one
Referring to fig. 1 to 4, a waste treatment apparatus for building construction includes a base plate 1, a case 20, and a grinding unit; specifically, a feeding port 18 and a discharging port 5 are formed in the box body 20, and input and output of waste materials are further realized through the feeding port 18 and the discharging port 5; the grinding assembly comprises a coarse grinding device and an accurate grinding device, the coarse grinding device is positioned above the accurate grinding device, and further, the waste materials are subjected to primary treatment by the coarse grinding device and then subjected to fine grinding again by the accurate grinding device, so that the actual grinding effect of the device is effectively improved; specifically, the rough grinding device comprises rough grinding rollers 19, the rough grinding rollers 19 are rotatably installed below the feeding port 18, two groups of rough grinding rollers 19 are symmetrically installed on the rough grinding rollers 19, a driving device is arranged on a rotating shaft of the rough grinding rollers 19, the specific structural form of the driving device is not limited, and the rough grinding rollers 19 are further driven to rotate by the driving device; a filter plate 10 is arranged below the rough grinding roller 19; the filter plate 10 is fixedly connected with the box body 20, filter holes are formed in the filter plate 10, and the filter plate 10 is used for primarily screening the waste materials; the side edge of the box body 20 is provided with a lifting assembly, and the waste materials remained on the filter plate 10 further participate in the grinding of the coarse grinding roller 19 through the lifting assembly, so that the actual grinding effect is improved; the fine grinding device comprises a fine grinding roller 4, the fine grinding roller 4 is rotatably arranged in the box body 20, and the axial direction of the fine grinding roller 4 is vertical to the axial direction of the coarse grinding roller 19; furthermore, two sets of the fine grinding rollers 4 are rotatably mounted on the box body 20, and rotating shafts of the fine grinding rollers 4 are connected through a gear pair; a grinding motor 3 is fixedly connected to the bottom plate 1, and the grinding motor 3 is in transmission connection with a rotating shaft of the fine grinding roller 4 through a belt pair to further drive the fine grinding roller 4 to rotate; the secondary grinding of the waste is effectively realized.
Specifically, a dust suction pipeline is fixedly connected to the box body 20, a dust suction fan 8 is fixedly connected to the interior of the pipeline, and an isolation net 9 is arranged at the tail end of the dust suction pipeline; furthermore, the dust in the box body 20 is further reduced by the dust suction fan 8; a dust fall sprayer 11 is fixedly connected to the box body 20, a water inlet pipe is connected to the dust fall sprayer 11, and dust in the box body 20 is further reduced through the dust fall sprayer 11; the practical use effect of the device is improved.
Specifically, in order to further improve the practical use effect of the rough grinding roller 19 in the rotating process, the protrusions 24 are fixedly connected to the rough grinding roller 19, and the crushing effect of the construction waste is further improved through the protrusions 24.
Further, the lifting device comprises a mounting block 26, a push rod 17, a rotating wheel 21, a push block 22 and a driving assembly, wherein the push rod 17 is an incompressible flexible rod, and the mounting block 26 is fixedly connected to the tail end of the push rod 17; the rotating wheel 21 is rotatably arranged on the mounting block 26, a power device is arranged on the rotating wheel 21, and the rotating wheel 21 is further driven to rotate by the power device; the pushing block 22 is elastically arranged on the mounting block 26, the mounting block 26 can slide along the filter plate 10, further, the construction waste remained on the filter plate 10 is pushed to the side edge of the filter plate 10, the bulge 24 on the coarse grinding roller 19 is fastened, further, the waste is rolled between the coarse grinding roller 19 for repeated grinding, wherein, due to the elastic arrangement between the pushing block 22 and the mounting block 26, when the waste clamped on the filter plate 10 is further encountered, the rotating wheel 21 is contacted with the waste and the clamping between the waste and the filter plate 10 is released through the friction force between the rotating wheel 21 and the waste; the push rod 17 is fixedly connected with the driving assembly, and the push rod 17 is further moved by the driving assembly.
Specifically, the driving device comprises a sliding rod 15, a first connecting rod 13, a second connecting rod 14 and a rotary table 12, specifically, the rotary table 12 is rotatably installed on the side edge of the box body 20, the rotary table 12 is connected with a rotating shaft of the grinding motor 3 through a belt pair, the second connecting rod 14 is hinged on the side edge of the rotary table 12, the second connecting rod 14 is hinged with the first connecting rod 13, a sliding groove 16 is formed in the side edge of the box body 20, and the push rod 17 is slidably arranged in the sliding groove 16; a sliding rod 15 is slidably mounted in the sliding groove 16, and the sliding rod 15 is fixedly connected with the first connecting rod 13; further, under the rotation action of the rotary disc 12, the reciprocating motion of the sliding rod 15 along the sliding groove 16 is further realized, so that the sliding rod 15 pushes the motion of the push rod 17.
Specifically, the bottom plate 1 is fixedly connected with the support 2, and the bottom of the support 2 is fixedly connected with the non-slip mat, so that the stability of the device in the using process is further effectively improved.
Example two
Specifically, in order to further improve the practical use effect of the device, in this embodiment, a screw rod 6 is rotatably mounted in the box body 20, and a shifting plate 7 is sleeved on the screw rod 6; a limiting rod 23 is fixedly connected in the box body 20, the shifting plate 7 and the limiting rod 23 are arranged in a sliding manner, and the limiting rod 23 and the screw rod 6 are arranged in parallel; the screw rod 6 is fixedly connected with a transfer motor 25, and the screw rod 6 is further driven to rotate; the waste material on the fine grinding roller 4 is further uniformly spread by the poking plate 7, so that the actual using effect is improved.
The practical working principle of the device is easily obtained from the above embodiments: the waste is subjected to primary treatment by the coarse grinding device and then is subjected to fine grinding again by the fine grinding device, the mounting block 26 can slide along the filter plate 10, further, the residual construction waste on the filter plate 10 is pushed to the side edge of the filter plate 10, the bulge 24 on the coarse grinding roller 19 is fastened, the waste is further rolled between the coarse grinding roller 19 for repeated grinding, wherein due to the elastic arrangement between the pushing block 22 and the mounting block 26, when the waste is further clamped on the filter plate 10, the rotating wheel 21 is in contact with the waste and the clamping between the waste and the filter plate 10 is removed through the friction force between the rotating wheel 21 and the waste, and the actual lifting effect is improved; meanwhile, the waste on the fine grinding roller 4 is further uniformly spread by the poking plate 7, so that the actual use effect is improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (7)
1. A waste treatment device for building construction comprises a base plate (1), a box body (20) and a grinding assembly; the grinding device is characterized in that the grinding assembly comprises a coarse grinding device and an accurate grinding device, the coarse grinding device is positioned above the accurate grinding device, the coarse grinding device comprises coarse grinding rollers (19), the coarse grinding rollers (19) are rotatably arranged below the feeding port (18), two groups of coarse grinding rollers (19) are symmetrically arranged, a driving device is arranged on a rotating shaft of each coarse grinding roller (19), and a filter plate (10) is arranged below each coarse grinding roller (19); the fine grinding device comprises fine grinding rollers (4), the fine grinding rollers (4) are rotatably arranged in the box body (20), the axial directions of the fine grinding rollers (4) and the axial directions of the coarse grinding rollers (19) are perpendicular to each other, the fine grinding rollers (4) are rotatably arranged on the box body (20), and rotating shafts of the fine grinding rollers (4) are connected through gear pairs; the grinding motor (3) is fixedly connected to the bottom plate (1), and the rotating shafts of the grinding motor (3) and the fine grinding roller (4) are in transmission connection through a belt pair.
2. The waste treatment device for building construction according to claim 1, wherein a dust suction pipe is fixedly connected to the box body (20), a dust suction fan (8) is fixedly connected to the inside of the pipe, and an isolation net (9) is arranged at the tail end of the dust suction pipe; the box body (20) is fixedly connected with a dust fall sprayer (11), and the dust fall sprayer (11) is connected with a water inlet pipe.
3. The waste treatment device for building construction according to claim 1, wherein the coarse grinding roller (19) is fixedly connected with a projection (24).
4. The waste treatment device for building construction according to claim 1, wherein the lifting device comprises a mounting block (26), a push rod (17), a rotating wheel (21), a push block (22) and a driving assembly, the push rod (17) is a non-compressible flexible rod, and the mounting block (26) is fixedly connected to the tail end of the push rod (17); the rotating wheel (21) is rotatably arranged on the mounting block (26), the power device is arranged on the rotating wheel (21), the push block (22) is elastically arranged on the mounting block (26), the mounting block (26) can slide along the filter plate (10), and the push rod (17) is fixedly connected with the driving component.
5. The waste treatment device for building construction according to claim 4, wherein the driving device comprises a sliding rod (15), a first connecting rod (13), a second connecting rod (14) and a rotary table (12), the rotary table (12) is rotatably mounted on the box body (20), the rotary table (12) is connected with the rotating shaft of the grinding motor (3) through a belt pair, the second connecting rod (14) is hinged to the side edge of the rotary table (12), the second connecting rod (14) is hinged to the first connecting rod (13), a sliding groove (16) is formed in the side edge of the box body (20), and a push rod (17) is slidably arranged in the sliding groove (16); the sliding groove (16) is internally provided with a sliding rod (15) in a sliding mode, and the sliding rod (15) is fixedly connected with the first connecting rod (13).
6. The waste treatment apparatus for building construction according to claim 1, wherein a bracket (2) is fixedly connected to the base plate (1), and a non-slip mat is fixedly connected to the bottom of the bracket (2).
7. The waste treatment device for building construction according to claim 1, wherein a screw (6) is rotatably installed in the box body (20), and a shifting plate (7) is sleeved on the screw (6); a limiting rod (23) is fixedly connected in the box body (20), the shifting plate (7) and the limiting rod (23) are arranged in a sliding mode, and the limiting rod (23) and the screw rod (6) are arranged in parallel; a shifting motor (25) is fixedly connected to the screw rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824069.1A CN112191308A (en) | 2020-08-17 | 2020-08-17 | A waste material processing apparatus for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824069.1A CN112191308A (en) | 2020-08-17 | 2020-08-17 | A waste material processing apparatus for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112191308A true CN112191308A (en) | 2021-01-08 |
Family
ID=74006492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010824069.1A Pending CN112191308A (en) | 2020-08-17 | 2020-08-17 | A waste material processing apparatus for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112191308A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09187670A (en) * | 1995-12-30 | 1997-07-22 | Eishin:Kk | Crushing machine |
| CN206425062U (en) * | 2016-12-15 | 2017-08-22 | 无锡市人民医院 | A kind of broken demulcen device of medicinal material second patent flour |
| CN207887232U (en) * | 2017-12-22 | 2018-09-21 | 汪建锋 | A kind of construction waste grinding device of anti-airborne dust |
| CN210097771U (en) * | 2019-01-28 | 2020-02-21 | 五华县琴江园农业发展有限公司 | Camellia seed grinding device |
| CN210357314U (en) * | 2019-05-20 | 2020-04-21 | 合肥华威药业有限公司 | Production solid waste crushing apparatus |
| CN210646764U (en) * | 2019-09-18 | 2020-06-02 | 杨平 | Construction waste treatment device |
| CN210700307U (en) * | 2019-10-09 | 2020-06-09 | 蒋延舒 | Civil engineering construction waste treatment device |
| CN210995759U (en) * | 2019-09-11 | 2020-07-14 | 湖北中昌顺建设工程有限公司 | Civil engineering construction waste treatment device |
-
2020
- 2020-08-17 CN CN202010824069.1A patent/CN112191308A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09187670A (en) * | 1995-12-30 | 1997-07-22 | Eishin:Kk | Crushing machine |
| CN206425062U (en) * | 2016-12-15 | 2017-08-22 | 无锡市人民医院 | A kind of broken demulcen device of medicinal material second patent flour |
| CN207887232U (en) * | 2017-12-22 | 2018-09-21 | 汪建锋 | A kind of construction waste grinding device of anti-airborne dust |
| CN210097771U (en) * | 2019-01-28 | 2020-02-21 | 五华县琴江园农业发展有限公司 | Camellia seed grinding device |
| CN210357314U (en) * | 2019-05-20 | 2020-04-21 | 合肥华威药业有限公司 | Production solid waste crushing apparatus |
| CN210995759U (en) * | 2019-09-11 | 2020-07-14 | 湖北中昌顺建设工程有限公司 | Civil engineering construction waste treatment device |
| CN210646764U (en) * | 2019-09-18 | 2020-06-02 | 杨平 | Construction waste treatment device |
| CN210700307U (en) * | 2019-10-09 | 2020-06-09 | 蒋延舒 | Civil engineering construction waste treatment device |
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Application publication date: 20210108 |