CN114226398A - Hydraulic crushing and separating system applicable to strip-shaped reinforced concrete - Google Patents
Hydraulic crushing and separating system applicable to strip-shaped reinforced concrete Download PDFInfo
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- CN114226398A CN114226398A CN202111531645.4A CN202111531645A CN114226398A CN 114226398 A CN114226398 A CN 114226398A CN 202111531645 A CN202111531645 A CN 202111531645A CN 114226398 A CN114226398 A CN 114226398A
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 239000002699 waste material Substances 0.000 claims abstract description 33
- 239000004567 concrete Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 239000006148 magnetic separator Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000007723 transport mechanism Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 238000010008 shearing Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 206010024796 Logorrhoea Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B02C23/02—Feeding devices
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
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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)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a hydraulic crushing and separating system, which relates to the technical field of reinforced concrete crushing and recycling and comprises a feeding mechanism, a hydraulic mechanism, a pushing mechanism, a conveying mechanism and a separating and collecting mechanism, wherein the feeding mechanism is used for conveying reinforced concrete waste materials to the hydraulic mechanism; the hydraulic mechanism is used for hammering, rolling and crushing the reinforced concrete waste; the material pushing mechanism is used for pushing the waste materials after being hammered, rolled and crushed to the conveying mechanism; the conveying mechanism is used for transferring the waste materials after hammering, rolling and crushing to the separating and collecting mechanism; the separating and collecting mechanism is used for separating the waste materials after hammering, rolling and crushing to obtain broken steel bars and broken concrete. The device can generate shearing force to form rolling action while performing hydraulic pressure on the reinforced concrete, and realizes thorough crushing of large-size strip-shaped reinforced concrete blocks.
Description
Technical Field
The invention relates to the technical field of reinforced concrete crushing and recycling, in particular to a hydraulic crushing and separating system applicable to strip-shaped reinforced concrete.
Background
Reinforced concrete is a composite material formed by adding steel bars or steel plates into concrete, and is widely used for building construction. Therefore, a large amount of reinforced concrete waste is generated in the process of demolishing the building, and the waste is generally recycled after being crushed. However, conventional crushing treatment machines, such as jaw crushers, double-roll crushers, impact crushers, hammer crushers, and the like, often have the problems of difficulty in treating bar-shaped large-volume reinforced concrete, incomplete crushing, complicated mechanical structure, easiness in loss, difficulty in maintenance, and the like, so that the use scenes in the actual application process are limited, and the practicability is poor.
The conventional jaw crusher, the double-roll crusher and the like crush materials by means of extrusion force between two toothed plates or round rolls, and reinforced concrete with larger size cannot be crushed due to the size limitation of the toothed plates and the round rolls; impact crusher, hammer crusher etc. rely on the impact between crushing machinery and the material more to be applicable to the breakage of bulky material, often because of crushing machinery rigidity, lead to the material breakage in some region not thorough, be applicable to the material breakage to become fine material scheduling problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a hydraulic crushing and separating system suitable for strip-shaped reinforced concrete, which adopts a long-groove anvil block, only one side wall is reserved, and a rotatable hammer head is combined to hydraulically press the reinforced concrete and simultaneously generate shearing force to form a rolling effect, so that the large-size strip-shaped reinforced concrete blocks are thoroughly crushed; the reinforced concrete crushing machine has the characteristics of strong crushing capability, simple mechanical structure, easy replacement of easily-worn parts and capability of flexibly processing reinforced concrete materials with different shapes and sizes.
To achieve the above object, the present invention provides a hydraulic crushing and separating system, comprising: a feeding mechanism, a hydraulic mechanism, a pushing mechanism, a transmission mechanism and a separating and collecting mechanism, wherein,
the feeding mechanism is used for feeding the reinforced concrete waste materials to the position below the hydraulic mechanism; the hydraulic mechanism is used for hammering, rolling and crushing the reinforced concrete waste; the material pushing mechanism is used for pushing the waste materials after being hammered, rolled and crushed to the conveying mechanism; the conveying mechanism is used for transferring the waste materials after hammering, rolling and crushing to the separating and collecting mechanism; the separating and collecting mechanism is used for separating the waste materials after hammering, rolling and crushing to obtain broken steel bars and broken concrete.
The hydraulic crushing and separating system further comprises a square upright post, a hammer head with a built-in rotating motor, a fixed seat of the rotating motor, a rotating rod, a dowel bar, an oil cylinder and an oil cylinder fixing device, wherein,
the square column has: the device comprises a bottom connected with the ground, a column part extending away from the bottom, and a cantilever part extending outwards from the upper end of the column part;
the oil cylinder is fixed on the cantilever part through the oil cylinder fixing device;
one end of the dowel bar is connected with the oil cylinder, and the other end of the dowel bar is connected with the hammer head of the built-in rotating motor through the rotating rod.
The hydraulic breaking and separating system is characterized in that an anvil block is arranged below the hammer head of the built-in rotating motor, and the anvil block is formed by
The arc-shaped side wall is connected with the slope-shaped bottom surface.
The hydraulic crushing and separating system as described above, further, the length of the slope-shaped bottom surface is equal to the radius of the hammer head of the built-in rotating electrical machine.
The hydraulic fracture separation system as described above, further, the slope i of the sloped bottom surface is 3%.
The hydraulic crushing and separating system as described above, further, the feeding mechanism comprises a gantry crane.
The hydraulic crushing and separating system as described above, further, the pushing mechanism includes a pushing hammer, a pushing rod and a telescopic motor, wherein,
the output end of the telescopic motor drives the pushing hammer to push the hammering, grinding and crushing waste materials to the conveying mechanism through the pushing rod.
The hydraulic crushing and separating system as described above, further, the separating and collecting machine includes a magnetic separator, a crushed concrete collecting box and a crushed steel collecting box, wherein,
magnetic separation machine will hammering on the transport mechanism rolls the waste material magnetism after the breakage through the magnetic force effect of magnet in the rotary drum and inhale to collecting the shovel and deliver to broken reinforcing bar collecting box through the rotation with garrulous reinforcing bar, and the garrulous concrete that is not attracted then falls into broken concrete collecting box under the action of gravity.
The hydraulic crushing and separating system as described above, further, the conveying mechanism is a conveyor belt.
Compared with the prior art, the invention has the beneficial effects that:
(1) the long groove-shaped anvil block with only one side wall is adopted, so that the long groove-shaped anvil block can be well adapted to reinforced concrete wastes with different shapes, particularly strip-shaped wastes such as beams, columns and the like which need to be further crushed, and the condition that the requirement of subsequent mechanical crushing such as a jaw crusher and the like can be met only by repeatedly crushing the strip-shaped wastes in a construction site is avoided;
(2) the hydraulic machine with the rotatable hammer head can provide pressure and form shearing force between the concrete waste and the hammer head, so that the crushed concrete and the steel bar can be thoroughly separated, and the subsequent recycling is facilitated;
(3) the conveying belt is combined with the anvil block, so that the conveying of reinforced concrete waste can be realized, the loss of the hydraulic hammer to the conveying belt can be avoided, and the service life of the conveying belt is prolonged;
(4) the cylinder of powerful magnet is installed in the combination, easily realizes the separation of the reinforcing bar after the breakage and concrete piece, and whole broken piece-rate system machinery simple structure is convenient for maintain, the practicality is strong.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the hammer head with a built-in rotating electrical machine in the direction of "a-a" in the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the hammer head with a built-in rotating electrical machine in the direction of "B-B" in the embodiment of the present invention.
Wherein, 1, a hydraulic mechanism; 2. a square column; 3. a conveyor belt; 4. a material pushing mechanism; 5. a separator conveyor belt; 6. a magnetic separator; 7. a broken steel bar collecting box; 8. crushing the concrete collection box; 9. an anvil block; 10. the reinforced concrete waste is to be crushed; 11. a gantry crane; 101. a hammer head; 102. rotating the rod; 103. a dowel bar; 104. an oil cylinder; 105. an oil cylinder fixing device; 106. a hydraulic oil lower inlet and outlet; 107. an upper hydraulic oil inlet and outlet; 108. a rotating electric machine; 109. a bearing; 110. a rotating motor fixing seat; 401. pushing the hammer; 402. a push rod; 403. a telescopic motor; 601. a magnet; 602. a collecting shovel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 application, 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 application.
Example (b):
it should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that the terms "central," "longitudinal," "transverse," "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 an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 4, the hydraulic crushing and separating device for the strip-shaped reinforced concrete comprises a hydraulic mechanism 1, a pushing mechanism and a reinforced concrete separating and collecting machine; a reinforced concrete waste conveying belt 3, a fixed anvil 9 and a square upright post 2 are arranged on a base of the hydraulic mechanism 1, and the hydraulic mechanism 1 is fixed through the upright post 2; hydraulic pressure mechanism 1 includes hydro-cylinder 104, dowel steel 103 and tup 101, tup 101 is the cylinder, has bellied arris on it, rotates under the dwang 102 drives, and dwang 102 is driven by rotating electrical machines 108, makes tup 101 also can provide the shearing force when providing pressure, thoroughly breaks the reinforced concrete waste material, effectively reduces the adhesion of concrete piece and reinforcing bar.
The anvil 9 is composed of a circular arc-shaped side wall and a slope-shaped bottom surface, the slope i of the slope is 3%, and the length of the slope part of the anvil is equal to the radius of the hammer head 101. After the gantry crane hoists the reinforced concrete to the conveyor belt 3, under the pushing action of the gantry crane, the reinforced concrete waste can smoothly move to the position below the hammer 101 so as to be crushed. The conveyor belt 3 adopts an intermittent operation mode, and the distance for moving the reinforced concrete blocks to be crushed to the anvil direction every time is equal to the radius of the section circle of the hammer head 101.
The pushing mechanism is positioned on the right side of the hydraulic crusher and consists of a pushing hammer 401, a pushing rod 402 and a telescopic motor (403); the shape of the push hammer 401 is similar to that of the anvil 9, the push hammer can be well attached to the anvil, and the broken reinforced concrete is pushed to the left separating and collecting machine of the breaker under the transmission action of the push rod 402. The reinforced concrete separating and collecting machine consists of a separator conveyor belt 5, a magnetic separator 6, a broken concrete collecting box 7 and a broken steel bar collecting box 8. Under the action of magnetic force and gravity, the crushed concrete and the crushed steel bars fall into the crushed concrete collecting box 7 and the crushed steel bar collecting box 8 in sequence to realize separation. The magnetic separator 6 is composed of a built-in magnet 601 and a collecting shovel 602, under the magnetic force of the magnet 601, broken steel bars on the separating conveyor belt 5 are attracted to the collecting shovel 602 and are conveyed to the broken steel bar collecting box 7 through rotation, and broken concrete which is not attracted falls into the broken concrete collecting box 8 under the action of gravity.
The working process of the hydraulic crushing and separating system suitable for the multi-size reinforced concrete blocks comprises the following steps: the gantry crane hoists the reinforced concrete waste to be crushed to the conveyor belt 3, and the conveyor belt 3 transports the reinforced concrete waste to the anvil block 9; at the moment, an operator starts the hydraulic mechanism to start crushing, after concrete and steel bars are separated, the operator stops the hydraulic mechanism and starts the material pushing mechanism to push the crushed waste materials to the separating and conveying belt 5, the crushed steel bars and the concrete are driven by the conveying belt to move towards the magnetic separator 6, under the magnetic force of the magnet 601, the broken steel bars on the separating and conveying belt 5 are attracted to the collecting shovel 602 and are conveyed to the broken steel bar collecting box 7 through rotation, and the broken concrete which is not attracted falls into the broken concrete collecting box 8 under the action of gravity. The conveyor 3 can then be started to start the next crushing operation.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (9)
1. A hydraulic crushing and separating system comprising: a feeding mechanism, a hydraulic mechanism (1), a pushing mechanism (4), a conveying mechanism and a separating and collecting mechanism, wherein,
the feeding mechanism is used for feeding the reinforced concrete waste materials to the position below the hydraulic mechanism (1); the hydraulic mechanism (1) is used for hammering, rolling and crushing the reinforced concrete waste; the pushing mechanism (4) is used for pushing the waste materials after being hammered, rolled and crushed to the conveying mechanism; the conveying mechanism is used for transferring the waste materials after hammering, rolling and crushing to the separating and collecting mechanism; the separating and collecting mechanism is used for separating the waste materials after hammering, rolling and crushing to obtain broken steel bars and broken concrete.
2. The hydraulic crushing separation system according to claim 1, wherein the hydraulic mechanism (1) comprises a square column (2), a hammer head (101) with a built-in rotating motor (108), a bearing (109), a fixed seat (110) of the rotating motor (108), a rotating rod (102), a dowel bar (103), an oil cylinder (104) and an oil cylinder (104) fixing device (105), wherein,
the square column (2) has: the device comprises a bottom connected with the ground, a column part extending away from the bottom, and a cantilever part extending outwards from the upper end of the column part;
the oil cylinder (104) is fixed on the cantilever part through an oil cylinder (104) fixing device (105);
one end of the dowel bar (103) is connected with the oil cylinder (104), and the other end of the dowel bar is connected with a hammer head (101) of the built-in rotating motor (108) through the rotating rod (102).
3. The hydraulic crushing and separating system according to claim 2, wherein an anvil (9) is arranged below the hammer head (101) of the built-in rotating motor (108), and the anvil (9) is formed by connecting a circular arc-shaped side wall and a slope-shaped bottom surface.
4. The hydraulic crushing and separating system according to claim 3, characterized in that the length of the ramp shaped bottom surface is equal to the radius of the hammer head (101) of the internal rotating electrical machine (108).
5. The hydraulic fracture separation system of claim 4, wherein the slope i of the sloped floor is 3%.
6. The hydraulic fracture separation system of claim 1, wherein the feed mechanism comprises a gantry crane (11).
7. The hydraulic crushing and separating system according to claim 1, characterized in that the pushing mechanism (4) comprises a pushing hammer (401), a pushing rod (402) and a telescoping motor (403), wherein,
the output end of the telescopic motor (403) drives a pushing hammer (401) to push the waste materials after hammering, rolling and crushing to the conveying mechanism through the pushing rod (402).
8. The hydraulic crushing separation system according to claim 1, wherein the separation collector comprises a magnetic separator (6), a crushed concrete collection box (8) and a crushed steel bar collection box (7), wherein,
magnetic separation machine (6) will through the magnetic force effect of magnet (601) in the rotary drum waste material magnetism after hammering on the transport mechanism rolls the breakage is inhaled to collecting shovel (602) and is sent broken reinforcing bar to broken reinforcing bar collecting box (7) through the rotation, and broken concrete that is not attracted then falls into broken concrete collecting box (8) under the action of gravity.
9. The hydraulic crushing and separating system according to claim 1, characterized in that the conveying mechanism is a conveyor belt (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111531645.4A CN114226398B (en) | 2021-12-14 | 2021-12-14 | Hydraulic crushing and separating system applicable to strip-shaped reinforced concrete |
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| CN202111531645.4A CN114226398B (en) | 2021-12-14 | 2021-12-14 | Hydraulic crushing and separating system applicable to strip-shaped reinforced concrete |
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| CN114226398A true CN114226398A (en) | 2022-03-25 |
| CN114226398B CN114226398B (en) | 2023-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115415286A (en) * | 2022-09-01 | 2022-12-02 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Construction waste treatment device and use method |
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| CN114226398B (en) | 2023-01-17 |
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