CN113000179B - Production process and production device of recycled concrete - Google Patents
Production process and production device of recycled concrete Download PDFInfo
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- CN113000179B CN113000179B CN202110163874.9A CN202110163874A CN113000179B CN 113000179 B CN113000179 B CN 113000179B CN 202110163874 A CN202110163874 A CN 202110163874A CN 113000179 B CN113000179 B CN 113000179B
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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
- B02C21/00—Disintegrating plant with or without drying of the 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
- B02C1/00—Crushing or disintegrating by reciprocating members
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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
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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
- B02C23/06—Selection or use of additives to aid disintegrating
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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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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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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
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/02—Codes relating to disintegrating devices adapted for specific materials for reinforced concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention discloses a production process and a production device of recycled concrete, belonging to the field of recycled concrete. A recycled concrete production apparatus comprising: the concrete feeding device comprises a base, a first material cylinder, a second material cylinder, a third material cylinder and a rack, wherein the first material cylinder, the second material cylinder, the third material cylinder and the rack are fixedly arranged on the upper end surface of the base; the upper portion at the middle part of material loading passageway is equipped with the second crossbeam, second crossbeam fixed mounting be in on the up end of base, first feed cylinder and the equal fixed mounting of second feed cylinder are in same one side of material loading passageway, just first feed cylinder is fixed the second feed cylinder with between the third feed cylinder.
Description
Technical Field
The invention relates to the field of recycled concrete, in particular to a production process and a production device of recycled concrete.
Background
The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and adding cement, water and the like. The recycled concrete can have the following situations according to the combination form of aggregate: all aggregates are regenerated aggregates; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural gravel or cobble, and the fine aggregate is regenerated aggregate; the reclaimed aggregate replaces part of the coarse aggregate or the fine aggregate.
There are various production facilities for recycled concrete on the market, but there is still room for improvement in the existing production facilities. For example, the existing recycled concrete production apparatus cannot adjust the feeding amount of grinding or crushing force and impact according to the particle size of the screened concrete particles.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a production process and a production device of recycled concrete.
The purpose of the invention can be realized by the following technical scheme:
a recycled concrete production apparatus comprising: a base, a first charging barrel, a second charging barrel, a third charging barrel and a frame,
the first charging barrel, the second charging barrel, the third charging barrel and the rack are all fixedly mounted on the upper end face of the base, a feeding channel is erected at the upper end of the rack, the feeding channel is straight and horizontally arranged, the third charging barrel is mounted at the tail end of the feeding channel, and a conveying mechanism is mounted on the feeding channel and used for conveying concrete to the third charging barrel; a second cross beam is arranged above the middle part of the feeding channel, the second cross beam is fixedly arranged on the upper end surface of the base, the first material cylinder and the second material cylinder are fixedly arranged on the same side of the feeding channel, and the first material cylinder is fixed between the second material cylinder and the third material cylinder;
a first cross beam is arranged on one side, close to the third charging barrel, of the second cross beam and is fixedly arranged on the upper end face of the base;
an auxiliary channel is arranged on the rack, is parallel to the feeding channel and is arranged between the first material barrel and the feeding channel, and one end of the auxiliary channel extends to the first material barrel; one end of the first cross beam extends to the upper part of the auxiliary channel;
the bottom of the second material cylinder is provided with a first driving mechanism, a material disc is arranged in the second material cylinder, and the material disc is provided with a through drain hole; the material tray can slide along the vertical direction, and the first driving mechanism is used for driving the material tray to rotate;
a notch is formed in the upper portion of the side wall of the charging barrel, a filter screen is arranged on the notch, and the notch is aligned with the other end of the auxiliary channel;
a stamping mechanism is arranged on one side, away from the first cross beam, of the second cross beam and impacts the feeding channel; a first slide rail is arranged on the first cross beam, and a first manipulator is connected to the first slide rail in a sliding manner; a second sliding rail is arranged on the second cross beam, and a second manipulator is connected to the second sliding rail in a sliding manner; the first sliding rail and the second sliding rail are both vertical to the feeding channel; the feeding channel is provided with a pressing plate, the base is fixedly provided with a second driving mechanism, and the second driving mechanism pushes the pressing plate to extrude concrete on the feeding channel.
Furthermore, a rotating ring is sleeved on the outer wall of the second charging barrel and is rotationally connected with the sleeve; the filter screen includes first cassette and second cassette, the equal fixed mounting of first cassette and second cassette is in on the swivel becket, the breach can selectively with first cassette, second cassette align, the filtration pore size difference of first cassette and second cassette.
Furthermore, a pressing block is fixedly mounted on one end face, close to the feeding channel, of the pressing plate, a bolt is connected to the pressing block in a threaded mode, a rotating plate is flexibly connected to the pressing block, and one end of the bolt abuts against the rotating plate.
Furthermore, an illuminating lamp is fixedly arranged on the upper section of the base.
Furthermore, a detachable ground foot is arranged below the base.
Furthermore, one side of lower margin is equipped with the gyro wheel, gyro wheel fixed mounting be in the lower extreme of base.
A concrete production process based on the production device comprises the following steps: placing concrete to be processed on a feeding channel, and conveying the concrete forwards through the feeding channel; the concrete firstly passes through a stamping mechanism, and the lower concrete is impacted into a block shape, so that the processing is convenient; a filter plate is arranged between the impact device and the second cross beam, filter holes are formed in the filter plate, and the filter plate is arranged on the feeding channel; after the concrete is impacted, large concrete blocks and concrete blocks combined with reinforcing steel bars still remain, and the large concrete blocks are inconvenient to treat and recover and cannot pass through a filter plate; the crushed small concrete blocks pass through the filter plate and enter the next working procedure; a second mechanical arm on the second cross beam grabs the concrete blocks and the reinforcing steel bars intercepted by the filter plate and carries the concrete blocks and the reinforcing steel bars to a second charging barrel; the material tray in the second charging barrel supports the materials in the second charging barrel, the material tray rotates to enable the concrete blocks in the charging barrel to impact and roll, and a modifier or an acid solution can be added to promote the decomposition of the concrete blocks; moving the material tray to the notch, removing the reinforcing steel bars, and rotating the material tray to throw the decomposed and crushed concrete out of the notch and enter the auxiliary channel; the manipulator on the first cross beam conveys the concrete blocks on the auxiliary channel to the feeding channel; after the crushed concrete is gathered on the feeding channel, the second driving mechanism is driven to push the pressing plate to repeatedly extrude and grind the blocky concrete on the feeding channel, and the particles of the concrete are further reduced.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present application;
FIG. 2 is a perspective view of a first cross member of the present application;
fig. 3 is a schematic perspective view of a briquette according to the present application.
The parts corresponding to the reference numerals in the figures are as follows:
1. a base; 2. a roller; 3. a feeding channel; 4. a stamping mechanism; 5. a second manipulator; 6. a second cross member; 7. a first cross member; 8. a third barrel; 9. a first barrel; 10. an auxiliary channel; 11. a second barrel; 12. a material tray; 13. ground feet; 14. a rotating plate; 15. pressing into blocks; 16. a first slide rail; 17. a filter plate.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.
As shown in fig. 1 to 3, a recycled concrete producing apparatus includes: the concrete feeding device comprises a base 1, a first material cylinder 9, a second material cylinder 11, a third material cylinder 8 and a rack, wherein the first material cylinder 9, the second material cylinder 11, the third material cylinder 8 and the rack are all fixedly mounted on the upper end surface of the base 1, a feeding channel 3 is erected at the upper end of the rack, the feeding channel 3 is straight and horizontally arranged, the third material cylinder 8 is mounted at the tail end of the feeding channel 3, and a conveying mechanism is mounted on the feeding channel 3 and used for conveying concrete to the third material cylinder 8; a second cross beam 7 is arranged above the middle of the feeding channel 3, the second cross beam 7 is fixedly installed on the upper end face of the base 1, the first material cylinder 9 and the second material cylinder 11 are both fixedly installed on the same side of the feeding channel 3, and the first material cylinder 9 is fixed between the second material cylinder 11 and the third material cylinder 8. One side of the second cross beam 7 close to the third charging barrel 8 is provided with a first cross beam which is fixedly arranged on the upper end surface of the base 1. An auxiliary channel 10 is installed on the rack, the auxiliary channel 10 is parallel to the feeding channel 3, the auxiliary channel 10 is arranged between the first material barrel 9 and the feeding channel 3, and one end of the auxiliary channel 10 extends to the first material barrel 9; one end of the first cross beam extends to the upper part of the auxiliary channel 10; a first driving mechanism is arranged at the bottom of the second material cylinder 11, a material disc 12 is arranged in the second material cylinder 11, and a through drain hole is formed in the material disc 12; the tray 12 can slide along the vertical direction, and the first driving mechanism is used for driving the tray 12 to rotate. A notch is formed in the upper portion of the side wall of the charging barrel, a filter screen is arranged on the notch, and the notch is aligned with the other end of the auxiliary channel 10. One side of the second cross beam 7, which is far away from the first cross beam, is provided with a stamping mechanism 4, and the stamping mechanism 4 impacts the feeding channel 3. A first slide rail 16 is arranged on the first cross beam, and a first manipulator is connected to the first slide rail 16 in a sliding manner; and a second sliding rail is arranged on the second cross beam 7, and a second manipulator 5 is connected to the second sliding rail in a sliding manner. The first slide rail 16 and the second slide rail are both vertical to the feeding channel 3; and a pressing plate is arranged on the feeding channel 3, a second driving mechanism is fixedly mounted on the base 1, and the second driving mechanism pushes the pressing plate to extrude the concrete on the feeding channel 3. During the treatment of the concrete, the concrete to be treated needs to be placed on the loading channel 3, and the loading channel 3 conveys the concrete forward. The concrete firstly passes through the punching mechanism 4, and the concrete below is impacted into a block shape, so that the processing is convenient. A filter plate 17 is arranged between the impact device and the second beam 7, filter holes are arranged on the filter plate 17, and the filter plate 17 is erected on the feeding channel 3. After the concrete is impacted, large concrete blocks and concrete blocks combined with reinforcing bars remain, which are inconvenient to handle and recycle and cannot pass through the filtering plate 17. The crushed concrete pieces pass through the filter plate 17 and enter the next process. The second manipulator 5 on the second beam 7 picks up the concrete block and the steel bar intercepted by the filter plate 17 and carries the concrete block and the steel bar to the second charging barrel 11. The material in the second material barrel 11 is held by the tray 12 in the second material barrel 11, the tray 12 rotates to make the concrete block inside collide and roll, and a modifier or an acid solution can be added to promote the decomposition of the concrete block. The material tray 12 is moved up to the notch, the reinforcing steel bars are removed, and the material tray 12 is rotated, so that the decomposed and crushed concrete is thrown out of the notch and enters the auxiliary channel 10. And the manipulator on the first cross beam conveys the concrete blocks on the auxiliary channel 10 to the feeding channel 3. After the crushed concrete is gathered on the feeding channel 3, the second driving mechanism is driven to push the pressing plate to repeatedly extrude and grind the blocky concrete on the feeding channel 3, and the particles of the concrete are further reduced. The feed amount of the press plate can be controlled by adjusting the size of the aperture of the filter screen at the notch, for example, so that the minimum distance in the feed of the press plate from the side wall of the feed channel 3 is half the aperture of the filter screen. This ensures that an appropriate pressing force can be applied to the concrete during the pressing of the pressure plate.
Further, a rotating ring is sleeved on the outer wall of the second charging barrel 11, and the rotating ring is rotatably connected with the sleeve; the filter screen includes first cassette and second cassette, the equal fixed mounting of first cassette and second cassette on the swivel becket, the breach can selectively with first cassette, second cassette align, the filtration pore size difference of first cassette and second cassette. Therefore, the size of the aperture of the filter sheet at the notch can be adjusted by rotating the rotating ring, and the adjustment can be completed without disassembling the filter screen. A pressing block 15 is fixedly mounted on one end face, close to the feeding channel 3, of the pressing plate, a bolt is connected to the pressing block 15 through threads, a rotating plate 14 is flexibly connected to the pressing block 15, and one end of the bolt abuts against the rotating plate 14. In the process of adjusting the feeding amount of the pressure plate, the bolt can be screwed to push the rotating plate 14 to rotate, so that the distance between the pressing block 15 and the side wall of the feeding channel 3 can be adjusted.
Furthermore, an illuminating lamp is fixedly arranged on the upper section of the base 1 to provide illumination. The base 1 below is equipped with detachable lower margin 13, makes things convenient for the installation of whole device. One side of lower margin 13 is equipped with gyro wheel 2, gyro wheel 2 fixed mounting be in the lower extreme of base 1.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (7)
1. A recycled concrete production apparatus, comprising: a base, a first charging barrel, a second charging barrel, a third charging barrel and a frame,
the first charging barrel, the second charging barrel, the third charging barrel and the rack are fixedly mounted on the upper end face of the base, a charging channel is erected at the upper end of the rack, the charging channel is straight and horizontally arranged, the third charging barrel is mounted at the tail end of the charging channel, and a conveying mechanism is mounted on the charging channel and used for conveying concrete to the third charging barrel; a second cross beam is arranged above the middle part of the feeding channel, the second cross beam is fixedly arranged on the upper end surface of the base, the first material cylinder and the second material cylinder are fixedly arranged on the same side of the feeding channel, and the first material cylinder is fixed between the second material cylinder and the third material cylinder;
a first cross beam is arranged on one side, close to the third charging barrel, of the second cross beam and is fixedly arranged on the upper end face of the base;
an auxiliary channel is arranged on the rack, is parallel to the feeding channel and is arranged between the first material barrel and the feeding channel, and one end of the auxiliary channel extends to the first material barrel; one end of the first cross beam extends to the upper part of the auxiliary channel;
the bottom of the second material cylinder is provided with a first driving mechanism, a material disc is arranged in the second material cylinder, and the material disc is provided with a through drain hole; the material tray can slide along the vertical direction, and the first driving mechanism is used for driving the material tray to rotate;
a notch is formed in the upper portion of the side wall of the charging barrel, a filter screen is arranged on the notch, and the notch is aligned with the other end of the auxiliary channel;
a stamping mechanism is arranged on one side, away from the first cross beam, of the second cross beam and impacts the feeding channel; a first sliding rail is arranged on the first cross beam, and a first manipulator is connected onto the first sliding rail in a sliding manner; a second sliding rail is arranged on the second cross beam, and a second manipulator is connected to the second sliding rail in a sliding manner; the first sliding rail and the second sliding rail are both vertical to the feeding channel; the feeding channel is provided with a pressing plate, the base is fixedly provided with a second driving mechanism, and the second driving mechanism pushes the pressing plate to extrude concrete on the feeding channel.
2. The recycled concrete production device of claim 1, wherein a rotating ring is sleeved on the outer wall of the second charging barrel and is rotatably connected with the second charging barrel; the filter screen includes first cassette and second cassette, the equal fixed mounting of first cassette and second cassette on the swivel becket, the breach can selectively with first cassette, second cassette align, the filtration pore size difference of first cassette and second cassette.
3. The recycled concrete production device of claim 1, wherein a pressing block is fixedly mounted on one end face of the pressing plate close to the feeding channel, a bolt is connected to the pressing block in a threaded manner, a rotating plate is flexibly connected to the pressing block, and one end of the bolt abuts against the rotating plate.
4. The recycled concrete production apparatus as claimed in claim 1, wherein an illumination lamp is fixedly installed on the upper section of the base.
5. The apparatus for producing recycled concrete according to claim 1, wherein a detachable anchor is provided under said base.
6. The apparatus for producing recycled concrete according to claim 5, wherein said anchor has a roller provided at one side thereof, said roller being fixedly installed at a lower end of said base.
7. A concrete production process based on the production device of claim 6, characterized by comprising the following steps: placing concrete to be treated on a feeding channel, and conveying the concrete forwards through the feeding channel; the concrete firstly passes through a stamping mechanism, and the lower concrete is impacted into a block shape, so that the processing is convenient; a filter plate is arranged between the impact device and the second cross beam, filter holes are formed in the filter plate, and the filter plate is arranged on the feeding channel; after the concrete is impacted, large concrete blocks and concrete blocks combined with reinforcing steel bars still remain, and the large concrete blocks are not convenient to treat and recover and cannot pass through the filter plate; the crushed small concrete blocks pass through the filter plate and enter the next working procedure; a second mechanical arm on the second cross beam grabs up the concrete blocks and the reinforcing steel bars intercepted by the filter plate and conveys the concrete blocks and the reinforcing steel bars to a second charging barrel; a material tray in the second material barrel supports materials in the second material barrel, the material tray rotates to enable the concrete blocks in the material tray to impact and roll, and a modifier or an acid solution is added to promote the decomposition of the concrete blocks; moving the material tray to the notch, removing the reinforcing steel bars, rotating the material tray, throwing the decomposed and crushed concrete out of the notch, and entering the auxiliary channel; the manipulator on the first cross beam conveys the concrete blocks on the auxiliary channel to the feeding channel; after the crushed concrete is gathered on the feeding channel, the second driving mechanism is driven to push the pressing plate to repeatedly extrude and grind the blocky concrete on the feeding channel, and the particles of the concrete are further reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110163874.9A CN113000179B (en) | 2021-02-05 | 2021-02-05 | Production process and production device of recycled concrete |
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|---|---|---|---|
| CN202110163874.9A CN113000179B (en) | 2021-02-05 | 2021-02-05 | Production process and production device of recycled concrete |
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| CN113000179B true CN113000179B (en) | 2022-10-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08155326A (en) * | 1994-12-07 | 1996-06-18 | Hitachi Constr Mach Co Ltd | Crushing device |
| JPH09192528A (en) * | 1996-01-20 | 1997-07-29 | Daito Sangyo:Kk | Moving crusher for waste |
| CN104446077B (en) * | 2014-11-14 | 2017-05-17 | 中联重科物料输送设备有限公司 | Separation method and separation system for waste concrete and rolling separator |
| CN205288639U (en) * | 2015-12-10 | 2016-06-08 | 李哲 | Prefabricated beam slab concrete waste material processing apparatus of public road bridge roof beam |
| CN105964377B (en) * | 2016-05-24 | 2018-03-27 | 张义 | A kind of discarded concrete beam column stake reinforcing bar and concrete automatic separation system and method |
| CN207058867U (en) * | 2017-06-12 | 2018-03-02 | 王凯 | Concrete prefabricated automatic production device |
| CN109704606B (en) * | 2018-12-21 | 2023-07-28 | 华侨大学 | System for preparing recycled aggregate from waste concrete based on particle impact crushing |
| CN111389521B (en) * | 2020-03-25 | 2022-02-18 | 深圳绿景环保再生资源有限公司 | Screening grinder for recycled concrete aggregate and recycled aggregate preparation process thereof |
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