CN111701707A - Construction waste treatment equipment - Google Patents

Construction waste treatment equipment Download PDF

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Publication number
CN111701707A
CN111701707A CN202010613329.0A CN202010613329A CN111701707A CN 111701707 A CN111701707 A CN 111701707A CN 202010613329 A CN202010613329 A CN 202010613329A CN 111701707 A CN111701707 A CN 111701707A
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CN
China
Prior art keywords
crushing box
device body
construction waste
rotating
crushing
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
CN202010613329.0A
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Chinese (zh)
Inventor
赵薇
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.)
Laixi Weilai Design Center
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Laixi Weilai Design Center
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 Laixi Weilai Design Center filed Critical Laixi Weilai Design Center
Priority to CN202010613329.0A priority Critical patent/CN111701707A/en
Publication of CN111701707A publication Critical patent/CN111701707A/en
Pending legal-status Critical Current

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    • 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
    • B02C19/00Other disintegrating devices or methods
    • B02C19/22Crushing mills with screw-shaped crushing means
    • 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
    • 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
    • B02C4/08Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • 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
    • B02C4/28Details
    • B02C4/30Shape or construction of rollers
    • 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
    • B02C4/28Details
    • B02C4/42Driving mechanisms; Roller speed control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/26Magnetic separation acting directly on the substance being separated with free falling material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/30Combinations with other devices, 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
    • B02C2201/00Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/02Codes relating to disintegrating devices adapted for specific materials for reinforced concrete
    • 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)
  • Crushing And Pulverization Processes (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a construction waste treatment device which comprises a treatment device body, wherein a first crushing box is arranged at the top of the inner wall of the treatment device body, the outer surface of the first crushing box is fixedly connected with the inner wall of the treatment device body, a rotating rod is arranged at the center shaft of the inner wall of the first crushing box, the rotating rod is horizontally arranged, the right side of the rotating rod is rotatably connected with a first crushing box through a rotating shaft, and the left side of the rotating rod penetrates through the first crushing box and the treatment device body. According to the invention, the first crushing box is arranged, so that large building garbage is firstly crushed to be changed into small building garbage, and then the second crushing box is arranged to crush the small building garbage again, so that the building garbage can be thoroughly treated, the harm to the environment or human body caused by long-term accumulation of the building garbage is avoided, and then the crushed building garbage is collected by the collection box, so that the crushed building garbage is convenient to recycle.

Description

Construction waste treatment equipment
Technical Field
The invention relates to the technical field of construction waste, in particular to construction waste treatment equipment
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 construction waste is mostly directly stacked on the land without any treatment, so that the quality of the soil is reduced after a long time, and the production capacity of the soil is reduced; the construction waste is stacked in the air, so that the air quality is influenced, and some dust particles can be suspended in the air and are harmful to the health of human bodies; in the stacking process of the construction waste, the long-term stacking means that harmful substances of the construction waste permeate into underground water areas to pollute water environment; if the construction waste is piled up in the city, the urban environment and the attractiveness are not favorable; building rubbish stacking may have some potential safety hazards, and some accidents may happen at any time, so a building rubbish treatment device is provided.
Disclosure of Invention
The invention aims to provide a construction waste treatment device, which achieves the purpose of treating construction waste.
In order to achieve the purpose, the invention provides the following technical scheme: a construction waste treatment device comprises a treatment device body, wherein a first crushing box is arranged at the top of the inner wall of the treatment device body, the outer surface of the first crushing box is fixedly connected with the inner wall of the treatment device body, a rotating rod is arranged at the center shaft of the inner wall of the first crushing box and is horizontally arranged, the right side of the rotating rod is rotatably connected with a first crushing box through a rotating shaft, the left side of the rotating rod penetrates through the first crushing box and the treatment device body, a first motor is arranged at the left side of the treatment device body, the output end of the first motor is fixedly connected with the rotating rod, a spiral disc is arranged on the outer surface of the rotating rod, a second crushing tooth is arranged at the upper end and the lower end of the spiral disc, a second crushing box is arranged inside the treatment device body and is positioned under the first crushing box, the surface of the second crushing box is fixedly connected with the inner wall of the, the left side and the right side of the inner part of the second crushing box are respectively provided with a baffle plate, the two baffle plates are vertically arranged, the two ends of the two baffle plates are respectively fixedly connected with the inner wall of the second crushing box, a first rotating tooth and a second rotating tooth are sequentially arranged in the two baffle plates from left to right, the first rotating gear is meshed with the second rotating gear, the first rotating gear and the second rotating gear are symmetrically arranged on the middle shaft of the second crushing box, a third through hole is arranged at the middle shaft at the bottom of the second crushing box, a collecting box is arranged at the bottom of the second crushing box, the outer surface of the collecting box is contacted with the inner wall of the processing device body, the top of the collecting box is provided with an opening, a fixed rod is fixedly connected with the middle shaft in the collecting box, the top of the fixed rod is fixedly connected with an electromagnet, the front of the processing device body is provided with an opening and closing door, the opening and closing door is hinged to the processing device body through a hinge, and the front of the opening and closing door is provided with an observation window.
Preferably, the left side of the top of the treatment device body is provided with a feed inlet, and the feed inlet penetrates through the treatment device body and the first crushing box and extends to the inside of the first crushing box.
Preferably, a plurality of crushing teeth I are uniformly arranged on the inner wall of the crushing box I.
Preferably, the right side of the bottom of the first crushing box is provided with a first through hole, the middle shaft of the top of the second crushing box is provided with a second through hole, a slide way is arranged between the first crushing box and the second crushing box, and two ends of the slide way are equally connected with the first through hole and the second through hole respectively.
Preferably, the back of the processing device body is provided with a second motor and a third motor, the first rotating gear is fixedly connected with the output end of the third motor, and the second rotating gear is fixedly connected with the output end of the second motor.
Preferably, the top of the electromagnet is arranged in an arc shape, and the electromagnet is positioned right below the third through hole.
The invention provides a construction waste treatment device. The method has the following beneficial effects:
1. according to the invention, the first crushing box is arranged, so that large building garbage is firstly crushed to be changed into small building garbage, and then the second crushing box is arranged to crush the small building garbage again, so that the building garbage can be thoroughly treated, the harm to the environment or human body caused by long-term accumulation of the building garbage is avoided, and then the crushed building garbage is collected by the collection box, so that the crushed building garbage is convenient to recycle.
2. According to the invention, by arranging the electromagnet, scrap iron in the construction waste can be recovered, the influence of the scrap iron on the recycling of the crushed construction waste is avoided, resources are saved, and the scrap iron can be recovered, so that the practicability of the invention is higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a back view of the present invention.
In the figure: the device comprises a processing device body 1, a crushing box I2, a crushing tooth I3, a rotating rod 4, a motor I5, a spiral disk 6, a crushing tooth II 7, a slideway 8, a crushing box II 9, a baffle 10, a rotating tooth I11, a rotating tooth II 12, a collecting box 13, a fixing rod 14, an electromagnet 15, a door 16, a motor II 17 and a motor III 18.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-3, the present invention provides a technical solution: a construction waste treatment device comprises a treatment device body 1, a first crushing box 2 is arranged on the top of the inner wall of the treatment device body 1, a feed inlet is arranged on the left side of the top of the treatment device body 1, the feed inlet penetrates through the treatment device body 1 and the first crushing box 2 and extends into the first crushing box 2, a plurality of first crushing teeth 3 are uniformly arranged on the inner wall of the first crushing box 2, the outer surface of the first crushing box 2 is fixedly connected with the inner wall of the treatment device body 1, a rotating rod 4 is arranged at the center shaft of the inner wall of the first crushing box 2, the rotating rod 4 is horizontally arranged, the right side of the rotating rod 4 is rotatably connected with the first crushing box 2 through a rotating shaft, the left side of the rotating rod 4 penetrates through the first crushing box 2 and the treatment device body 1, a first motor 5 is arranged on the left side of the treatment device body 1, the output end of the first motor 5 is fixedly connected with, the treatment device body 1 is internally provided with a crushing box II 9, large building garbage is firstly crushed to be changed into small building garbage by arranging a crushing box I2, then the small building garbage is crushed again by arranging the crushing box II 9, so that the building garbage can be thoroughly treated, the building garbage is prevented from being accumulated for a long time and causing harm to the environment or human bodies, the right side of the bottom of the crushing box I2 is provided with a through hole I, the middle shaft of the top of the crushing box II 9 is provided with a through hole II, a slide rail 8 is arranged between the crushing box I2 and the crushing box II 9, two ends of the slide rail 8 are respectively connected with the through hole I and the through hole II, the crushing box II 9 is positioned under the crushing box I2, the outer surface of the crushing box II 9 is fixedly connected with the inner wall of the treatment device body 1, the inside of the crushing box II 9 is hollow, the left side and the right side of the inside of the, the two baffles 10 are vertically arranged, two ends of each baffle 10 are fixedly connected with the inner wall of the second crushing box 9 respectively, a first rotating tooth 11 and a second rotating tooth 12 are sequentially arranged in each baffle 10 from left to right, a second motor 17 and a third motor 18 are arranged on the back surface of the processing device body 1, the first rotating tooth 11 is fixedly connected with the output end of the third motor 18, the second rotating tooth 12 is fixedly connected with the output end of the second motor 17, the first rotating tooth 11 is meshed with the second rotating tooth 12, the first rotating tooth 11 and the second rotating tooth 12 are symmetrically arranged on the middle shaft of the second crushing box 9, a third through hole is formed in the middle shaft of the bottom of the second crushing box 9, a collecting box 13 is arranged at the bottom of the second crushing box 9, the outer surface of the collecting box 13 is in contact with the inner wall of the processing device body 1, the top of the collecting box 13 is arranged in an, the fixed rod 14 is fixedly connected to the middle shaft in the collecting box 13, the electromagnet 15 is fixedly connected to the top of the fixed rod 14, the top of the electromagnet 15 is arranged in an arc shape, the electromagnet 15 is located under the third through hole, scrap iron in the construction waste can be recycled by arranging the electromagnet 15, the influence of the scrap iron on recycling of the crushed construction waste is avoided, resources are saved, and the scrap iron can be recycled, so that the multifunctional garbage collecting and recycling device is high in practicability, the opening and closing door 16 is arranged on the front side of the processing device body 1, the opening and closing door 16 is hinged to the processing device body 1 through a hinge, and the observation window is arranged on the front side of the.
The use method of the construction waste treatment equipment comprises the following steps:
and S1, collecting the construction waste, cleaning, removing mud on the surface of the construction waste, and drying.
S2, placing the dried construction waste into the first crushing box 2 from the feeding hole, performing primary crushing under the mutual matching of the second crushing teeth 7 and the first crushing teeth 3, and crushing the large construction waste into a plurality of small construction waste blocks.
And S3, the construction waste after the primary crushing falls into the second crushing box 9 from the slide way 8 under the action of the spiral disk 6.
And S4, crushing the small building rubbish blocks through the first rotating teeth 11 and the second rotating teeth 12.
S5, the crushed construction waste falls into the collection box 13 from the second crushing box 9 and is collected by the collection box 13.
S6, the electromagnet 15 adsorbs the iron chips in the crushed construction waste.
S7, the crushed construction waste and scrap iron in the collection box 13 are collected and processed respectively by opening the opening and closing door 16.
In conclusion, according to the invention, the crushing box I2 is arranged, large building garbage is firstly crushed to be changed into small building garbage, the crushing box II 9 is arranged to crush the small building garbage again, so that the building garbage can be thoroughly treated, the damage to the environment or human body caused by long-term accumulation of the building garbage is avoided, the crushed building garbage is collected by the collecting box 13 to be convenient for recycling, the iron filings in the building garbage can be recycled by arranging the electromagnet 15, the influence of the iron filings on recycling of the crushed building garbage is avoided, resources are saved, and the iron filings can be recycled, so that the practicability of the invention is higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A construction waste treatment apparatus, comprising a treatment device body (1), characterized in that: the top of the inner wall of the processing device body (1) is provided with a first crushing box (2), the outer surface of the first crushing box (2) is fixedly connected with the inner wall of the processing device body (1), a rotating rod (4) is arranged at the middle shaft of the inner wall of the first crushing box (2), the rotating rod (4) is horizontally arranged, the right side of the rotating rod (4) is rotatably connected with the first crushing box (2) through a rotating shaft, the left side of the rotating rod (4) penetrates through the first crushing box (2) and the processing device body (1), the left side of the processing device body (1) is provided with a first motor (5), the output end of the first motor (5) is fixedly connected with the rotating rod (4), the outer surface of the rotating rod (4) is provided with a spiral disk (6), the upper end and the lower end of the spiral disk (6) are both provided with a second crushing tooth (7), and a second crushing box, the crushing box II (9) is positioned under the crushing box I (2), the outer surface of the crushing box II (9) is fixedly connected with the inner wall of the processing device body (1), the inner part of the crushing box II (9) is hollow, the left side and the right side of the inner part of the crushing box II (9) are respectively provided with a baffle (10), the two baffles (10) are vertically arranged, the two ends of the two baffles (10) are respectively and fixedly connected with the inner wall of the crushing box II (9), the inner parts of the two baffles (10) are sequentially provided with a first rotating tooth (11) and a second rotating tooth (12) from left to right, the first rotating tooth (11) is meshed with the second rotating tooth (12), the first rotating tooth (11) and the second rotating tooth (12) are symmetrically arranged on the middle shaft of the crushing box II (9), a third through hole is formed in the middle shaft position of the bottom of the crushing box II (9), and a collecting box (13) is arranged at the bottom of the, the outer surface of the collecting box (13) is in contact with the inner wall of the processing device body (1), the top of the collecting box (13) is provided with an opening, a fixing rod (14) is fixedly connected to the middle shaft inside the collecting box (13), an electromagnet (15) is fixedly connected to the top of the fixing rod (14), the front face of the processing device body (1) is provided with an opening and closing door (16), the opening and closing door (16) is hinged to the processing device body (1) through a hinge, and the front face of the opening and closing door (16) is provided with an observation window.
2. The construction waste disposal apparatus according to claim 1, wherein: the left side of the top of the treatment device body (1) is provided with a feed inlet, and the feed inlet penetrates through the treatment device body (1) and the first crushing box (2) and extends to the inside of the first crushing box (2).
3. The construction waste disposal apparatus according to claim 1, wherein: the inner wall of the first crushing box (2) is uniformly provided with a plurality of first crushing teeth (3).
4. The construction waste disposal apparatus according to claim 1, wherein: smash case one (2) bottom right side and seted up through-hole one, smash case two (9) top axis department and seted up through-hole two, it is provided with slide (8) to smash between case one (2) and the crushing case two (9), slide (8) both ends are equallyd divide and are do not connected with through-hole one and through-hole two.
5. The construction waste disposal apparatus according to claim 1, wherein: the back of the processing device body (1) is provided with a second motor (17) and a third motor (18), the output ends of the first rotating gear (11) and the third motor (18) are fixedly connected, and the output ends of the second rotating gear (12) and the second motor (17) are fixedly connected.
6. The construction waste disposal apparatus according to claim 1, wherein: the top of the electromagnet (15) is arranged in an arc shape, and the electromagnet (15) is located right below the third through hole.
CN202010613329.0A 2020-06-30 2020-06-30 Construction waste treatment equipment Pending CN111701707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010613329.0A CN111701707A (en) 2020-06-30 2020-06-30 Construction waste treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010613329.0A CN111701707A (en) 2020-06-30 2020-06-30 Construction waste treatment equipment

Publications (1)

Publication Number Publication Date
CN111701707A true CN111701707A (en) 2020-09-25

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
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
CN118698700A (en) * 2024-07-05 2024-09-27 济南鲁新新型建材股份有限公司 A slag recovery device for slag micro powder production

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CN204799336U (en) * 2015-07-07 2015-11-25 青海路桥建设机械工程有限公司 No dust and be convenient for building rubbish breaker of recovering iron and plastics
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CN209791632U (en) * 2019-01-25 2019-12-17 王进军 Building rubbish breaker
CN210146086U (en) * 2019-02-27 2020-03-17 双峰县永昌新型环保建材有限责任公司 Multi-functional milling device of building rubbish
CN210279428U (en) * 2019-05-15 2020-04-10 山东力诺制药有限公司 High-efficient rubbing crusher
CN210097798U (en) * 2019-06-04 2020-02-21 南通四建集团有限公司 Environment-friendly device is smashed to building material
CN210846666U (en) * 2019-07-05 2020-06-26 河南工程学院 Civil engineering construction is with construction waste treatment device
CN110918209A (en) * 2019-12-05 2020-03-27 江西省小楠瓜食品有限公司 Food detects uses rubbing crusher
CN111299304A (en) * 2020-03-26 2020-06-19 高琦彬 Electronic garbage recycling device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN118698700A (en) * 2024-07-05 2024-09-27 济南鲁新新型建材股份有限公司 A slag recovery device for slag micro powder production

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Application publication date: 20200925

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