CN112169956A - Construction waste resource utilization treatment system and treatment process thereof - Google Patents
Construction waste resource utilization treatment system and treatment process thereof Download PDFInfo
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- CN112169956A CN112169956A CN202010874225.5A CN202010874225A CN112169956A CN 112169956 A CN112169956 A CN 112169956A CN 202010874225 A CN202010874225 A CN 202010874225A CN 112169956 A CN112169956 A CN 112169956A
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- Prior art keywords
- construction waste
- fixedly connected
- waste resource
- resource utilization
- treatment system
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- 239000002699 waste material Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 239000000701 coagulant Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004064 recycling Methods 0.000 abstract description 6
- 239000011449 brick Substances 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 238000007667 floating Methods 0.000 abstract description 3
- 210000002345 respiratory system Anatomy 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/06—Details of supporting structures for filtering material, e.g. cores
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a construction waste resource utilization treatment system and a treatment process thereof, wherein the construction waste resource utilization treatment system comprises a connecting plate, the top of the connecting plate is fixedly connected with a crusher body, the top of the connecting plate is fixedly connected with a press body positioned on the left side of the crusher body, the output end of the crusher body is mutually communicated with the feed end of the press body, the front of the crusher body is fixedly connected with a conveyer body, and the right side of the press body is fixedly connected with a fan positioned at the bottom of the crusher body. The invention achieves the effect of recycling construction waste into environment-friendly bricks, replaces the prior operation steps of producing by various devices, improves the recycling efficiency of the construction waste, avoids the influence of dust on the surrounding environment, and solves the problems that a large amount of dust is generated during the utilization and treatment of the prior construction waste resources, the masonry powder floating in the working environment is easy to damage the respiratory tract of workers, and the environment-friendly effect of the treatment device is reduced.
Description
Technical Field
The invention relates to the technical field of construction waste recovery, in particular to a construction waste resource utilization treatment system and a treatment process thereof.
Background
The construction waste refers to residue, waste soil, waste material, sludge and other wastes generated in the process of constructing, laying, dismantling and repairing various buildings, structures, pipe networks and the like by construction, construction units or individuals, and can be divided into engineering residue soil, decoration waste, removal waste, engineering slurry and the like, and the construction waste can be classified according to composition components and can be divided into residue soil, concrete blocks, broken stones and brick and tile broken blocks.
Building rubbish resource can carry out recycle, but can produce a large amount of dusts when current building rubbish resource utilization is handled, floats the masonry powder in operational environment and causes the injury to staff's respiratory track easily, has reduced treatment facility's environmental protection effect.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide a construction waste resource utilization and treatment system and a treatment process thereof, the equipment has the advantages of dust removal and environmental protection, and the problems that a large amount of dust is generated during utilization and treatment of the existing construction waste resource, masonry powder floating in a working environment is easy to damage respiratory tracts of workers, and the environmental protection effect of the treatment equipment is reduced are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a construction waste resource utilization treatment system comprises a connecting plate, wherein the top of the connecting plate is fixedly connected with a crusher body, the top of the connecting plate is fixedly connected with a press body positioned on the left side of the crusher body, the output end of the crusher body is mutually communicated with the feed end of the press body, the front of the crusher body is fixedly connected with a conveyer body, the right side of the press body is fixedly connected with a fan positioned on the bottom of the crusher body, the input end of the fan is communicated with an extension pipe, one end of the extension pipe, far away from the fan, extends to the top of the crusher body, the left side of the extension pipe is communicated with a flow distribution pipe, one end of the flow distribution pipe, far away from the extension pipe, extends to the left side of the press body, the top of the connecting plate is fixedly connected with a collecting box positioned on the bottom of, the output end of the fan is communicated with the back of the collecting box.
Preferably, a circular plate is arranged on the front surface of the material box, a filter cartridge is fixedly connected to the back surface of the circular plate, one end, far away from the circular plate, of the filter cartridge penetrates through the collecting tank and extends into the collecting tank, and the filter cartridge is communicated with the output end of the fan.
Preferably, the collecting box is fixedly connected with a sleeve sleeved on the surface of the filter cylinder in the collecting box, and the bottom of the sleeve is provided with an opening.
Preferably, the surface of the filter cylinder is fixedly connected with four reinforcing ribs, and the four reinforcing ribs are uniformly arranged on the surface of the filter cylinder in a surrounding manner.
Preferably, the collecting tank is fixedly connected with a support plate positioned in the filter cartridge, and the top of the support plate is contacted with the top of the inner wall of the filter cartridge.
Preferably, an angle plate is fixedly connected to the left side of the extension pipe, and the side, away from the extension pipe, of the stirring pipe is fixedly connected with the bottom of the shunt pipe.
Preferably, the industrial solid waste raw materials are conveyed to a storage vibration hopper by a loader, conveyed to an automatic screening machine by a primary conveying system, screened and filtered by the automatic screening machine to be conveyed to a novel stirrer system, automatically metered and added with cement, a coagulant and water to the stirrer according to a set proportion by the system, fully mixed, stirred at a high speed, conveyed to a forming host machine by a conveyor to automatically store the hopper, automatically discharged to a distributing machine and distributed to a lower die frame. Vibrating by a vibration platform, pressing and molding by an upper pressing head, demoulding, accumulating a certain number of boards by an automatic board conveying machine and an automatic double-board stacking machine, and conveying to an airing field by a forklift.
Preferably, the raw material is pulverized by a pulverizer body of a construction waste resource utilization system, and all the steps are processed in the construction waste resource utilization system
The invention has the following beneficial effects:
1. according to the invention, the construction waste is conveyed to the interior of the crusher body through the conveyor body to be crushed, and is formed into the crushed slag after being crushed, so that the effect of recycling the construction waste into environment-friendly bricks is achieved, the existing operation steps of needing multiple devices for production are replaced, the recycling efficiency of the construction waste is improved, the diffused dust is discharged into the collecting box through the fan, the extension pipe and the flow dividing pipe, the dust removal and environment-friendly effects can be achieved, the influence of the dust on the surrounding environment is avoided, the problems that a large amount of dust is generated during the utilization and treatment of the existing construction waste resources, the masonry powder floating in the working environment easily damages the respiratory tract of workers, and the environment-friendly effect of treatment equipment is reduced are solved.
2. According to the invention, by arranging the circular plate and the filter cylinder, dust and airflow can be quickly separated, and the dust is prevented from overflowing to the outside of the collection box again through a gap between the collection box and the material box.
3. According to the invention, by arranging the sleeve and the opening, the dust overflowing from the interior of the filter cylinder can be collected by utilizing the friction force generated when the sleeve is contacted with the dust, so that the dust can directly fall into the interior of the material box, and the operation step of cleaning the collecting box by a user is saved.
4. The filter cartridge has the advantages that the reinforcing ribs are arranged, so that the effect of supporting the filter cartridge can be achieved, the strength of the filter cartridge can be improved, and the deformation of the filter cartridge due to collision in the moving process can be avoided.
5. According to the invention, the support plate is arranged, so that the filter cartridge can be supported, the filter cartridge is prevented from inclining, and the force required by a user when pulling the filter cartridge can be saved.
6. According to the invention, the angle plate is arranged, so that the effect of supporting the shunt pipe can be achieved, and the fracture of the joint of the shunt pipe and the extension pipe is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional front view of a partial structure of the present invention;
FIG. 3 is a schematic sectional front view of the collecting box structure of the present invention;
FIG. 4 is a schematic right sectional view of the structure of the collection box of the present invention;
FIG. 5 is a schematic front view of the fan and piping structure of the present invention.
In the figure: 1. a connecting plate; 2. a pulverizer body; 3. a press body; 4. a transporter body; 5. a fan; 6. an extension pipe; 7. a shunt tube; 8. a collection box; 9. a magazine; 10. a circular plate; 11. a filter cartridge; 12. a sleeve; 13. an opening; 14. reinforcing ribs; 15. a support plate; 16. a gusset is provided.
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.
As shown in fig. 1 to 5, the construction waste resource utilization and treatment system provided by the invention comprises a connecting plate 1, a crusher body 2 is fixedly connected to the top of the connecting plate 1, a press body 3 positioned on the left side of the crusher body 2 is fixedly connected to the top of the connecting plate 1, the output end of the crusher body 2 is communicated with the feed end of the press body 3, a conveyor body 4 is fixedly connected to the front of the crusher body 2, a fan 5 positioned on the bottom of the crusher body 2 is fixedly connected to the right side of the press body 3, the input end of the fan 5 is communicated with an extension pipe 6, one end of the extension pipe 6 far away from the fan 5 extends to the top of the crusher body 2, the left side of the extension pipe 6 is communicated with a shunt pipe 7, one end of the shunt pipe 7 far away from the extension pipe 6 extends to the left side of the press body 3, a collection box 8 positioned on the bottom of, the inside swing joint of collecting box 8 has magazine 9, and the output of fan 5 communicates with the back of collecting box 8.
Referring to fig. 4, a circular plate 10 is disposed on the front surface of the magazine 9, a filter cartridge 11 is fixedly connected to the back surface of the circular plate 10, one end of the filter cartridge 11, which is far away from the circular plate 10, penetrates through the catch tank 8 and extends into the catch tank 8, and the filter cartridge 11 is communicated with the output end of the fan 5.
According to the invention, by arranging the circular plate 10 and the filter cartridge 11, dust and air flow can be quickly separated, and the dust is prevented from overflowing to the outside of the collection box 8 again through a gap between the collection box 8 and the material box 9.
Referring to fig. 4, a sleeve 12 sleeved on the surface of the filter cartridge 11 is fixedly connected to the inside of the collection box 8, and an opening 13 is opened at the bottom of the sleeve 12.
According to the invention, by arranging the sleeve 12 and the opening 13, the dust overflowing from the interior of the filter cylinder 11 can be collected by utilizing the friction force generated when the sleeve is contacted with the dust, so that the dust can directly fall into the interior of the material box 9, and the operation steps of a user for cleaning the collecting box 8 are saved.
Referring to fig. 3, the surface of the filter cartridge 11 is fixedly connected with four reinforcing ribs 14, and the four reinforcing ribs 14 are uniformly arranged around the surface of the filter cartridge 11.
According to the invention, the reinforcing ribs 14 are arranged, so that the effect of supporting the filter cartridge 11 can be achieved, the strength of the filter cartridge 11 can be improved, and the filter cartridge 11 is prevented from deforming due to collision in the moving process.
Referring to fig. 3, the inside of the catch tank 8 is fixedly connected with a support plate 15 located inside the filter cartridge 11, and the top of the support plate 15 is in contact with the top of the inner wall of the filter cartridge 11.
According to the invention, the supporting plate 15 is arranged, so that the filter cartridge 11 can be supported, the filter cartridge 11 is prevented from inclining, and the force required by a user when pulling the filter cartridge 11 can be saved.
Referring to fig. 5, a gusset 16 is fixedly attached to the left side of the extension pipe 6, and the side of the mixing pipe away from the extension pipe 6 is fixedly attached to the bottom of the shunt pipe 7.
According to the invention, the angle plate 16 is arranged, so that the shunt pipe 7 can be supported, and the fracture of the connection part of the shunt pipe 7 and the extension pipe 6 is avoided.
The working principle and the using process of the invention are as follows: when the environment-friendly brick is used, a user conveys construction waste to the interior of the crusher body 2 through the conveyor body 4 for crushing, the construction waste enters the interior of the press body 3 for compression molding after being crushed to form crushed slag after being crushed, so that the environment-friendly brick is produced by recycling the construction waste, in the working process of the crusher body 2 and the press body 3, the fan 5 discharges the diffused dust into the collecting box 8 through the extension pipe 6 and the flow dividing pipe 7, the collecting box 8 is in contact with the filter cartridge 11 and completes filtration, when the user needs to clean the filter cartridge 11, the filter cartridge 11 is pulled outwards through the circular plate 10, the filter cartridge 11 rubs with the surface of the supporting plate 15 in the moving process, the dust is diffused into the sleeve 12 through the holes on the surface of the filter cartridge 11, the sleeve 12 collects the dust through the friction force generated when colliding with the dust and enables the dust to fall into the material box 9 through the opening 13 for recycling, the user then pushes the circular plate 10 and the filter cartridge 11 back to the original position and performs the subsequent production.
Claims (8)
1. A construction waste resource utilization processing system comprises a connecting plate (1), and is characterized in that: the top of the connecting plate (1) is fixedly connected with a crusher body (2), the top of the connecting plate (1) is fixedly connected with a press body (3) positioned on the left side of the crusher body (2), the output end of the crusher body (2) is communicated with the feed end of the press body (3), the front of the crusher body (2) is fixedly connected with a conveyer body (4), the right side of the press body (3) is fixedly connected with a fan (5) positioned at the bottom of the crusher body (2), the input end of the fan (5) is communicated with an extension pipe (6), one end of the extension pipe (6) far away from the fan (5) extends to the top of the crusher body (2), the left side of the extension pipe (6) is communicated with a shunt pipe (7), one end of the shunt pipe (7) far away from the extension pipe (6) extends to the left side of the press body (3), the top of the connecting plate (1) is fixedly connected with a collecting box (8) located at the bottom of the pulverizer body (2), the inside of the collecting box (8) is movably connected with a material box (9), and the output end of the fan (5) is communicated with the back of the collecting box (8).
2. The construction waste resource utilization and treatment system according to claim 1, characterized in that: the front side of the material box (9) is provided with a circular plate (10), the back side of the circular plate (10) is fixedly connected with a filter cartridge (11), one end, far away from the circular plate (10), of the filter cartridge (11) penetrates through the collecting box (8) and extends to the inside of the collecting box (8), and the filter cartridge (11) is communicated with the output end of the fan (5).
3. The construction waste resource utilization and treatment system according to claim 2, characterized in that: the inside fixedly connected with cover of collecting box (8) is established and is strained sleeve pipe (12) of section of thick bamboo (11) surface, opening (13) have been seted up to the bottom of sleeve pipe (12).
4. The construction waste resource utilization and treatment system according to claim 2, characterized in that: reinforcing ribs (14) are fixedly connected to the surface of the filter cylinder (11), and the number of the reinforcing ribs (14) is four and the four reinforcing ribs are uniformly arranged on the surface of the filter cylinder (11) in a surrounding mode.
5. The construction waste resource utilization and treatment system according to claim 2, characterized in that: the inside of the collecting box (8) is fixedly connected with a supporting plate (15) positioned inside the filter cylinder (11), and the top of the supporting plate (15) is contacted with the top of the inner wall of the filter cylinder (11).
6. The construction waste resource utilization and treatment system according to claim 1, characterized in that: an angle plate (16) is fixedly connected to the left side of the extension pipe (6), and one side, far away from the extension pipe (6), of the stirring pipe is fixedly connected with the bottom of the shunt pipe (7).
7. A construction waste resource treatment process is characterized in that: send industry solid useless for raw and other materials loader to with storing vibrations hopper, through one-level conveying system to automatic sieve material machine, automatic sieve material machine filters suitable raw and other materials and carries to novel mixer system, and the system adds cement, coagulant, water to the mixer according to setting for ratio automatic measurement, intensive mixing, high-speed operation stirring raw and other materials, through the conveyer to the automatic hopper that stores of forming host computer, automatic unloading to cloth machine all with cloth to lower mould frame. Vibrating by a vibration platform, pressing and molding by an upper pressing head, demoulding, accumulating a certain number of boards by an automatic board conveying machine and an automatic double-board stacking machine, and conveying to an airing field by a forklift.
8. The construction waste resource treatment process according to claim 7, characterized in that: the raw materials are crushed by a crusher body of the construction waste resource utilization and treatment system, and the steps are all processed in the construction waste resource utilization and treatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874225.5A CN112169956A (en) | 2020-08-27 | 2020-08-27 | Construction waste resource utilization treatment system and treatment process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874225.5A CN112169956A (en) | 2020-08-27 | 2020-08-27 | Construction waste resource utilization treatment system and treatment process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112169956A true CN112169956A (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010874225.5A Pending CN112169956A (en) | 2020-08-27 | 2020-08-27 | Construction waste resource utilization treatment system and treatment process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112169956A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100733631B1 (en) * | 2007-02-15 | 2007-06-28 | 세창환경건설(주) | Construction waste crushing and sorting machine |
| CN101204306A (en) * | 2006-12-20 | 2008-06-25 | 乐金电子(天津)电器有限公司 | Dust collecting barrel of vacuum cleaner |
| CN205225889U (en) * | 2015-12-15 | 2016-05-11 | 重庆大顺电器有限公司 | Convenient cleaning device of fan |
| CN108409287A (en) * | 2018-05-09 | 2018-08-17 | 山东德利环保工程有限公司 | A kind of Wetland ecological made using building waste is laid bricks and preparation method thereof |
| CN208642887U (en) * | 2018-07-18 | 2019-03-26 | 浙江工业职业技术学院 | A kind of building waste grinding device of high-effective dust-removing |
| CN109746081A (en) * | 2017-11-07 | 2019-05-14 | 扬州雅典娜园艺科技开发有限公司 | A kind of waste grinding device for building |
| CN211070318U (en) * | 2019-06-24 | 2020-07-24 | 青岛青建蓝谷新型材料有限公司 | Reducing mechanism for building rubbish |
-
2020
- 2020-08-27 CN CN202010874225.5A patent/CN112169956A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204306A (en) * | 2006-12-20 | 2008-06-25 | 乐金电子(天津)电器有限公司 | Dust collecting barrel of vacuum cleaner |
| KR100733631B1 (en) * | 2007-02-15 | 2007-06-28 | 세창환경건설(주) | Construction waste crushing and sorting machine |
| CN205225889U (en) * | 2015-12-15 | 2016-05-11 | 重庆大顺电器有限公司 | Convenient cleaning device of fan |
| CN109746081A (en) * | 2017-11-07 | 2019-05-14 | 扬州雅典娜园艺科技开发有限公司 | A kind of waste grinding device for building |
| CN108409287A (en) * | 2018-05-09 | 2018-08-17 | 山东德利环保工程有限公司 | A kind of Wetland ecological made using building waste is laid bricks and preparation method thereof |
| CN208642887U (en) * | 2018-07-18 | 2019-03-26 | 浙江工业职业技术学院 | A kind of building waste grinding device of high-effective dust-removing |
| CN211070318U (en) * | 2019-06-24 | 2020-07-24 | 青岛青建蓝谷新型材料有限公司 | Reducing mechanism for building rubbish |
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Application publication date: 20210105 |
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| RJ01 | Rejection of invention patent application after publication |