CN110465394A - It is a kind of for the grinding device of building waste to can be recycled - Google Patents

It is a kind of for the grinding device of building waste to can be recycled Download PDF

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Publication number
CN110465394A
CN110465394A CN201910763533.8A CN201910763533A CN110465394A CN 110465394 A CN110465394 A CN 110465394A CN 201910763533 A CN201910763533 A CN 201910763533A CN 110465394 A CN110465394 A CN 110465394A
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CN
China
Prior art keywords
processing storehouse
building waste
storehouse
recycled
grinding device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910763533.8A
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Chinese (zh)
Inventor
高举
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.)
Xuzhou Hanxing Renewable Resources Co Ltd
Original Assignee
Xuzhou Hanxing Renewable Resources Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Hanxing Renewable Resources Co Ltd filed Critical Xuzhou Hanxing Renewable Resources Co Ltd
Priority to CN201910763533.8A priority Critical patent/CN110465394A/en
Publication of CN110465394A publication Critical patent/CN110465394A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/0012Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
    • B02C19/005Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) the materials to be pulverised being disintegrated by collision of, or friction between, the material particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/0056Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06Codes 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention belongs to rubbish crushing technology fields, especially a kind of grinding device of recyclable building waste, for in the prior art, generally construction material is crushed by way of repeatedly rolling using pulverization roller, the efficiency of crushing is more low, the higher problem of power consumption, it is proposed that following scheme comprising including the first processing storehouse, the second processing storehouse, inlet port and outlet port;The top in the first processing storehouse is arranged in feed inlet;First processing storehouse is internally provided with crushing mechanism, and crushing mechanism includes the pedestal of cone and the driving motor for driving pedestal to rotate;Driving motor is located in installation bin;It is covered with reinforcer on pedestal, several convex blocks are provided on reinforcer;In the present invention, first building waste be tentatively crushed using crushing mechanism, is easier to crush so that the particle of building waste becomes loose, building waste is crushed by multiple pulverization rollers later;Crush efficiency is substantially increased, the consumption of the energy is reduced.

Description

It is a kind of for the grinding device of building waste to can be recycled
Technical field
The present invention relates to rubbish crushing technology fields more particularly to a kind of for the grinding device of building waste to can be recycled.
Background technique
Building waste refers to the construction waste generated due to artificial or natural etc. in engineering, including waste residue soil, Spoir, mud and rejected material etc..These materials are itself no any help for building, but in the mistake of building The substance generated in journey needs to perform corresponding processing, and can reach ideal Engineering Project Construction in this way, just because of being one A whole process, so the considerations of its link is more important.
In building waste after pulverization process is classified in cleaning, Building wood can be reprocessed by certain technique Material, it is very environmentally friendly;In the prior art, generally construction material is crushed by way of repeatedly rolling using pulverization roller, powder Broken efficiency is more low, and power consumption is higher.
Summary of the invention
It is proposed by the present invention a kind of for the grinding device of building waste to can be recycled, it solves in the prior art, generally makes Construction material is crushed by way of repeatedly rolling with pulverization roller, the efficiency of crushing is more low, and power consumption is higher to ask Topic.
To achieve the goals above, present invention employs following technical solutions:
It is a kind of for can be recycled the grinding device of building waste, including the first processing storehouse, the second processing storehouse, feed inlet and go out Material mouth;
The top in the first processing storehouse is arranged in feed inlet;Second processing position in storehouse is in the lower section in the first processing storehouse, the first processing Installation bin is formed between storehouse and the second processing storehouse;First processing storehouse is internally provided with crushing mechanism, and crushing mechanism includes circular cone The pedestal of shape and for drive pedestal rotate driving motor;Driving motor is located in installation bin;Reinforcer is covered on pedestal, Several convex blocks are provided on reinforcer;The bottom of pedestal is provided with transmission shaft, and the output end of driving motor protrudes into the first processing It is connect inside storehouse and with transmission shaft driven;
First processing storehouse is internally provided with telescopic rod, and the outside in the first processing storehouse is provided with the drive of driving telescopic rod movement Dynamic device;The side that telescopic rod is processed inside storehouse towards first is provided with counterpunch board;The two sides of counterpunch board are provided with connector; The other end of connector is fixed on the inner wall in the first processing storehouse;Connector is internally provided with rubber parts, is provided on rubber parts Multiple air bags for buffering;
The two sides in the first processing storehouse are provided with feed opening, and feed opening passes through the inside that installation bin protrudes into the second processing storehouse; The inside in the second processing storehouse is from top to bottom disposed with multiple groups and crushes rolling, and pulverization roller is arranged in pairs;And pulverization roller is located at blanking The underface of mouth;The outside in the second processing storehouse is provided with multiple driving assemblies for driving pulverization roller to rotate;Feed opening setting In the bottom in the second processing storehouse.
Preferably, it is provided on the periphery of driving motor for dust-proof Air Filter.
Preferably, dust-break part, the dust-break part periphery annular in shape that transmission shaft is set are vertically arranged in the first installation bin On, the top of dust-break part and the basal sliding of pedestal connect.
Preferably, the bottom in the second processing storehouse is provided with lower margin, and the height of lower margin is 50-60cm.
Preferably, pulverization roller is at least arranged three groups.
Preferably, the outside in the first processing storehouse is provided with atomizer, and one end of atomizer is provided with water inlet, water inlet with Water source connection;The other end of atomizer is provided with conduit, and conduit protrudes into inside the second processing storehouse, and the end of conduit is provided with spray Head.
Preferably, spray head is internally provided with fixed plate, sliding bar is provided in fixed plate, is provided at the top of sliding bar Limit plate, bottom are provided with transverse slat, and transverse slat stretches out outside spray head;Sliding bar is slided up and down along the direction of vertical fixing plate.
Preferably, elastic component is arranged on the periphery of sliding bar, the top of elastic component and the bottom of fixed plate connect, elasticity The bottom of part is stretched out outside spray head and is connect with the top of transverse slat.
Compared with prior art, the beneficial effects of the present invention are:
1, in the present invention, first the building waste after classification processing is sent into inside the first processing storehouse by feed inlet, Driving motor band moving base rotates;The reinforcer and convex block being arranged on pedestal constantly collide with building waste, building Rubbish dances in the air in the first processing storehouse, constantly collides with counterpunch board during dancing in the air, thus effectively by big The construction waste crushing of grain, forms lesser particle;For different types of building waste, the length for adjusting telescopic rod can be to anti- The angle for hitting plate is adjusted, and is conducive to improve crushing efficiency.
2, the present invention in, building waste from feed opening enter second processing storehouse inside, second processing storehouse inside by up to Under be disposed with multiple groups and crush rolling, pulverization roller is arranged in pairs;And pulverization roller is located at the underface of feed opening;Building waste is multiple It contacts and is crushed with pulverization roller, ultimately form the particle of particle size required for user;Particle is outside discharge port discharger;This hair In bright, first building waste be tentatively crushed using crushing mechanism, so that the particle of building waste, which becomes loose, is easier powder It is broken, building waste is crushed by multiple pulverization rollers later;Crush efficiency is substantially increased, the consumption of the energy is reduced.
3, in the present invention, during actual use, the work of water source atomizer is connected, by conduit and spray head to second It processes and sprays water mist inside storehouse, the water mist pressure of ejection is greater than the elastic force of elastic component, and transverse slat, which is under pressure, at this time moves downward, together When sliding bar drive limit plate to move downward, the stopping when limit plate and fixed plate contact, elastic component keeps tensional state at this time; Due to the presence of transverse slat, water mist can only be sprayed from the crack of two sides, so that the water mist range that spray head sprays is bigger, be conducive to subtract The dust of the generation in few second processing storehouse;And when atomizer is closed, elastic component rebound, so that transverse slat is covered on spray head bottom just The opening in portion effectively reduces dust blocking spray head.
Detailed description of the invention
Fig. 1 is proposed by the present invention a kind of for the structural schematic diagram of the grinding device of building waste to can be recycled;
Fig. 2 is the second processing storehouse internal structure in a kind of grinding device for building waste to can be recycled proposed by the present invention Schematic diagram;
Fig. 3 is the enlarged structure signal of spray head in a kind of grinding device for building waste to can be recycled proposed by the present invention Figure;
Fig. 4 is that the mounting structure of counterpunch board in a kind of grinding device for building waste to can be recycled proposed by the present invention shows It is intended to;
Fig. 5 is the enlarged structure of crushing mechanism in a kind of grinding device for building waste to can be recycled proposed by the present invention Schematic diagram.
In figure: 1, feed inlet;2, driving device;3, water inlet;4, atomizer;5, conduit;6, spray head;601, limit plate; 602, fixed plate;603, sliding bar;604, elastic component;605, transverse slat;7, counterpunch board;701, rubber parts;702, air bag;8, first Process storehouse;9, crushing mechanism;901, reinforcer;902, convex block;903, pedestal;904, transmission shaft;905, dust-break part;906, it drives Motor;907, Air Filter;10, feed opening;11, the second processing storehouse;12, pulverization roller;13, driving assembly;14, discharge port;15, Foot;16, telescopic rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of for the grinding device of building waste, including the first processing storehouse 8, second processing storehouse to can be recycled 11, feed inlet 1 and discharge port 14;
The top in the first processing storehouse 8 is arranged in feed inlet 1;The lower section that second processing storehouse 11 processes storehouse 8 positioned at first, first Installation bin is formed between processing storehouse 8 and the second processing storehouse 11;First processing storehouse 8 is internally provided with crushing mechanism 9, crushing mechanism 9 include the pedestal 903 of cone and the driving motor 906 for driving pedestal 903 to rotate;Driving motor 906 is located at installation bin It is interior;It is covered with reinforcer 901 on pedestal 903, several convex blocks 902 are provided on reinforcer 901;The bottom of pedestal 903 is arranged There is transmission shaft 904, the output end of driving motor 906 protrudes into 8 inside of the first processing storehouse and is sequentially connected with transmission shaft 904;
First processing storehouse 8 is internally provided with telescopic rod 16, and the outside in the first processing storehouse 8 is provided with driving telescopic rod 16 and transports Dynamic driving device 2;Telescopic rod 16 is provided with counterpunch board 7 towards the side inside the first processing storehouse 8;The two sides of counterpunch board 7 are equal It is provided with connector;The other end of connector is fixed on the inner wall in the first processing storehouse 8;Connector is internally provided with rubber parts 701, multiple air bags 702 for buffering are provided on rubber parts 701;
The two sides in the first processing storehouse 8 are provided with feed opening 10, and feed opening 10 passes through installation bin and protrudes into the second processing storehouse 11 Inside;The inside in the second processing storehouse 11 is from top to bottom disposed with multiple groups and crushes rolling, and pulverization roller 12 is arranged in pairs;And it crushes Roller 12 is located at the underface of feed opening 10;The outside in the second processing storehouse 11 is provided with multiple drives for driving pulverization roller 12 to rotate Dynamic component 13;The bottom in the second processing storehouse 11 is arranged in feed opening 10.
In the present invention, first the building waste after classification processing is sent into inside the first processing storehouse 8 by feed inlet 1, Driving motor 906 is rotated with moving base 903;The reinforcer 901 and convex block 902 being arranged on pedestal 903 constantly with building rubbish Rubbish collides, and building waste dances in the air in the first processing storehouse 8, constantly collides with counterpunch board 7 during dancing in the air, To form lesser particle effectively by the construction waste crushing of bulky grain;For different types of building waste, adjusting is stretched The angle of counterpunch board 7 can be adjusted in the length of contracting bar 16, be conducive to improve crushing efficiency;
Building waste enters inside the second processing storehouse 11 from feed opening 10 later, and the inside in the second processing storehouse 11 is from top to bottom It is disposed with multiple groups and crushes rolling, pulverization roller 12 is arranged in pairs;And pulverization roller 12 is located at the underface of feed opening 10;Building waste It repeatedly contacts and is crushed with pulverization roller 12, ultimately form the particle of particle size required for user;Particle is discharged from discharge port 14 and fills It sets outer;In the present invention, first building waste be tentatively crushed using crushing mechanism 9, so that the particle of building waste becomes thin Pine is easier to crush, and is crushed later by multiple pulverization rollers 12 to building waste;Crush efficiency is substantially increased, energy is reduced The consumption in source.
In an alternative embodiment, it is provided on the periphery of driving motor 906 for dust-proof Air Filter 907, is put It sets dust and enters driving motor 906, influence 906 normal use of driving motor.
In an alternative embodiment, dust-break part 905 is vertically arranged in the first installation bin, dust-break part 905 is in annulus Shape is arranged on the periphery of transmission shaft 904, and the top of dust-break part 905 is connect with the basal sliding of pedestal 903,905 energy of dust-break part Enough dust is prevented to enter at transmission shaft 904, prevents from influencing 904 normal use of transmission shaft.
In an alternative embodiment, the bottom in the second processing storehouse 11 is provided with lower margin 15, and the height of lower margin 15 is 50- 60cm。
In an alternative embodiment, pulverization roller 12 is at least arranged three groups.
In an alternative embodiment, the outside in the first processing storehouse 8 is provided with atomizer 4, one end setting of atomizer 4 There is water inlet 3, water inlet 3 is connect with water source;The other end of atomizer 4 is provided with conduit 5, and conduit 5 protrudes into the second processing storehouse 11 Inside, the end of conduit 5 are provided with spray head 6.Spray head 6 is internally provided with fixed plate 602, and sliding is provided in fixed plate 602 Bar 603, the top of sliding bar 603 are provided with limit plate 601, and bottom is provided with transverse slat 605, and transverse slat 605 stretches out outside spray head 6; Sliding bar 603 is slided up and down along the direction of vertical fixing plate 602.
Elastic component 604 is arranged on the periphery of sliding bar 603, the top of elastic component 604 and the bottom of fixed plate 602 connect It connects, the bottom of elastic component 604 is stretched out 6 outside of spray head and connect with the top of transverse slat 605.During actual use, connect Water source atomizer 4 works, and is processed inside storehouse 8 by conduit 5 and spray head 6 to second and sprays water mist, the water mist pressure of ejection is greater than The elastic force of elastic component 604, transverse slat 605, which is under pressure, at this time moves downward, while sliding bar 603 drives limit plate 601 to transport downwards Dynamic, the stopping when limit plate 601 is contacted with fixed plate 602, elastic component 604 keeps tensional state at this time;Due to depositing for transverse slat 605 , water mist can only be sprayed from the crack of two sides so that spray head 6 spray water mist range it is bigger, advantageously reduce the second processing The dust of the generation in storehouse 11;And when atomizer 4 is closed, elastic component 604 is sprung back, so that transverse slat 605 is covered on 6 bottom of spray head just The opening in portion effectively reduces dust blocking spray head 6.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of for the grinding device of building waste to can be recycled, which is characterized in that including the first processing storehouse (8), the second processing Storehouse (11), feed inlet (1) and discharge port (14);
Feed inlet (1) setting is at the top of the first processing storehouse (8);Second processing storehouse (11) is located at the lower section of the first processing storehouse (8), Installation bin is formed between first processing storehouse (8) and the second processing storehouse (11);First processing storehouse (8) is internally provided with crushing mechanism (9), crushing mechanism (9) includes the pedestal (903) of cone and the driving motor (906) for driving pedestal (903) to rotate;It drives Dynamic motor (906) are located in installation bin;It is covered with reinforcer (901), is provided on reinforcer (901) several on pedestal (903) A convex block (902);The bottom of pedestal (903) is provided with transmission shaft (904), and the output end of driving motor (906) protrudes into first and adds Work storehouse (8) is internal and is sequentially connected with transmission shaft (904);
First processing storehouse (8) is internally provided with telescopic rod (16), and the outside of the first processing storehouse (8) is provided with driving telescopic rod (16) driving device (2) moved;Telescopic rod (16) is provided with counterpunch board (7) towards the internal side of the first processing storehouse (8);Instead The two sides for hitting plate (7) are provided with connector;The other end of connector is fixed on the inner wall in the first processing storehouse (8);Connector It is internally provided with rubber parts (701), multiple air bags (702) for buffering is provided on rubber parts (701);
The two sides of first processing storehouse (8) are provided with feed opening (10), and feed opening (10) passes through installation bin and protrudes into the second processing storehouse (11) inside;The inside of second processing storehouse (11) is from top to bottom disposed with multiple groups and crushes rolling, and pulverization roller (12) is set in pairs It sets;And pulverization roller (12) is located at the underface of feed opening (10);The outside of second processing storehouse (11) is provided with multiple for driving The driving assembly (13) of pulverization roller (12) rotation;Feed opening (10) setting is in the bottom of the second processing storehouse (11).
2. according to claim 1 a kind of for the grinding device of building waste to can be recycled, which is characterized in that driving motor (906) it is provided on periphery for dust-proof Air Filter (907).
3. according to claim 1 a kind of for the grinding device of building waste to can be recycled, which is characterized in that the first installation It is vertically arranged on storehouse dust-break part (905), dust-break part (905) is annular in shape to be arranged on the periphery of transmission shaft (904), dust-break part (905) top is connect with the basal sliding of pedestal (903).
4. according to claim 1 a kind of for the grinding device of building waste to can be recycled, which is characterized in that the second processing The bottom in storehouse (11) is provided with lower margin (15), and the height of lower margin (15) is 50-60cm.
5. according to claim 1 a kind of for the grinding device of building waste to can be recycled, which is characterized in that pulverization roller (12) at least it is arranged three groups.
6. according to claim 1 a kind of for the grinding device of building waste to can be recycled, which is characterized in that the first processing The outside in storehouse (8) is provided with atomizer (4), and one end of atomizer (4) is provided with water inlet (3), and water inlet (3) and water source connect It connects;The other end of atomizer (4) is provided with conduit (5), and conduit (5) protrudes into the second processing storehouse (11) inside, the end of conduit (5) It is provided with spray head (6).
7. according to claim 6 a kind of for the grinding device of building waste to can be recycled, which is characterized in that spray head (6) Be internally provided with fixed plate (602), be provided in fixed plate (602) sliding bar (603), the setting of the top of sliding bar (603) Have limit plate (601), bottom is provided with transverse slat (605), and it is external that transverse slat (605) stretches out spray head (6);Sliding bar (603) is along vertical The direction of straight fixed plate (602) slides up and down.
8. according to claim 7 a kind of for the grinding device of building waste to can be recycled, which is characterized in that sliding bar (603) it is arranged on periphery elastic component (604), the top of elastic component (604) is connect with the bottom of fixed plate (602), elasticity The bottom of part (604) is stretched out spray head (6) outside and is connect with the top of transverse slat (605).
CN201910763533.8A 2019-08-19 2019-08-19 It is a kind of for the grinding device of building waste to can be recycled Pending CN110465394A (en)

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CN201910763533.8A CN110465394A (en) 2019-08-19 2019-08-19 It is a kind of for the grinding device of building waste to can be recycled

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113680792A (en) * 2021-08-21 2021-11-23 刘秀梅 Equipment of recycling is smashed to building rubbish
CN115487915A (en) * 2021-06-17 2022-12-20 中建二局第一建筑工程有限公司 Garbage treatment equipment for construction
CN115487916A (en) * 2021-06-17 2022-12-20 中建二局第一建筑工程有限公司 Reducing mechanism and refuse handling installation for construction
CN115489899A (en) * 2021-06-17 2022-12-20 中建二局第一建筑工程有限公司 Garbage storage device and garbage disposal equipment for building construction

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CN107999182A (en) * 2017-12-27 2018-05-08 郑州默尔电子信息技术有限公司 A kind of efficient ore pulverizer with dust collection function
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CN107999182A (en) * 2017-12-27 2018-05-08 郑州默尔电子信息技术有限公司 A kind of efficient ore pulverizer with dust collection function
CN208356893U (en) * 2018-03-06 2019-01-11 广州振中建设有限公司 A kind of building waste recycling crushing device with anti-blockage function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115487915A (en) * 2021-06-17 2022-12-20 中建二局第一建筑工程有限公司 Garbage treatment equipment for construction
CN115487916A (en) * 2021-06-17 2022-12-20 中建二局第一建筑工程有限公司 Reducing mechanism and refuse handling installation for construction
CN115489899A (en) * 2021-06-17 2022-12-20 中建二局第一建筑工程有限公司 Garbage storage device and garbage disposal equipment for building construction
CN113680792A (en) * 2021-08-21 2021-11-23 刘秀梅 Equipment of recycling is smashed to building rubbish

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Application publication date: 20191119