CN220294803U - A reject sorter for building dregs - Google Patents
A reject sorter for building dregs Download PDFInfo
- Publication number
- CN220294803U CN220294803U CN202321814776.8U CN202321814776U CN220294803U CN 220294803 U CN220294803 U CN 220294803U CN 202321814776 U CN202321814776 U CN 202321814776U CN 220294803 U CN220294803 U CN 220294803U
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- Prior art keywords
- crushing
- box
- case
- fixed mounting
- dust collection
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- 239000000428 dust Substances 0.000 claims abstract description 43
- 239000002893 slag Substances 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims 1
- 239000010814 metallic waste Substances 0.000 abstract description 17
- 239000002689 soil Substances 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a removing and classifying device for building slag, which comprises a processing box, wherein the upper end surface of the processing box is fixedly communicated with a crushing box, a crushing assembly is arranged in the crushing box, a dust collecting box is fixedly arranged on one side of the crushing box, a dust collecting assembly is arranged on the dust collecting box, a recovery assembly is arranged on the left side of a partition plate in the processing box, and a filtering assembly is arranged on the right side of the partition plate in the processing box; according to the utility model, the metal waste in the crushed slag soil is absorbed on the conveyor belt through the electromagnet, the first driving motor is started to drive the conveyor belt to rotate, other waste in the slag soil falls onto the sieve plate through the conveyor belt to be filtered again, when the metal waste on the conveyor belt is full, the electromagnet is powered off, and the metal waste falls into the metal storage cavity to be collected through the action of gravity, so that the metal waste is effectively recycled.
Description
Technical Field
The utility model relates to the technical field of building equipment, in particular to a removing and classifying device for building slag.
Background
The building residue is a kind of building garbage, and according to the building garbage called in the urban building garbage management rule, the building residue refers to waste, waste and other waste generated in the process of building construction units, new construction units, reconstruction, extension and demolition of various buildings, structures, pipe networks and the like and house decoration of residents, and the building residue classification device is equipment for classifying the components of the building residue.
The utility model discloses a reject sorter for building dregs in the patent of publication number CN218574206U, including box and feed inlet, the front end of box is provided with the cabinet door, and both walls lower extreme is all installed to the inside of box about, the feed inlet sets up in the upper end of box, and the internally mounted of feed inlet has the roller bearing agitator, stone filter screen, rubble filter screen and sand filter screen have set gradually from last to lower in the inside of box.
However, the structure has the defects that a large amount of metal materials are contained in the construction waste, the device directly screens the construction waste, the metal materials cannot be separated from the dregs, and the waste of the materials is easy to cause.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a removing and classifying device for building slag soil, which solves the problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a reject sorter for building dregs, includes the processing case, processing case up end fixed intercommunication has crushing case, crushing case internally mounted has crushing subassembly, crushing case top fixed intercommunication has the feed inlet, crushing case one side fixed mounting has the dust collection box, install dust collection subassembly on the dust collection box, processing case one side fixed mounting has the baffle, processing incasement is located the baffle left side and installs the recovery subassembly that is convenient for retrieve the metal in the dregs, processing incasement is located the baffle right side and installs filter assembly.
The recovery assembly comprises a protection box fixedly arranged on one side of the treatment box, a first driving motor is fixedly arranged in the protection box, a first rotating roller is movably arranged on one side of the treatment box from the output end of the first driving motor, the other end of the first rotating roller is fixedly arranged on the other side wall of the treatment box through a bearing, the two sides of the treatment box far away from the first rotating roller are rotatably connected with a second rotating roller through the bearing, the first rotating roller is in transmission connection with the second rotating roller through a conveying belt, a plurality of risers are fixedly arranged on the conveying belt, electromagnets are fixedly arranged in the middle of the two side walls of the treatment box penetrating through the conveying belt, a metal storage cavity is arranged on the left side of the partition plate, and a double door is arranged on one side of the metal storage cavity through hinge connection.
Preferably, the crushing assembly comprises a second driving motor fixedly arranged on one side of the crushing box through a supporting plate, crushing rollers are symmetrically arranged in the crushing box, one end of each crushing roller penetrates through a gear fixedly arranged on one side of the crushing box through a bearing, the gears are meshed with each other, the other end of each crushing roller is fixedly arranged on the side wall of the crushing box through a bearing, and the other end of each crushing roller penetrates through one side of the crushing box through a bearing and is fixedly arranged at the output end of the second driving motor.
Preferably, the dust collection assembly comprises an induced draft fan fixedly mounted at the top of the dust collection box, an air pipe is fixedly mounted at the air outlet end of the induced draft fan, the other end of the air pipe is fixedly communicated with the inside of the dust collection box, the air inlet end of the induced draft fan penetrates through the inside of the crushing box through the air pipe and is positioned above the crushing roller to be fixedly communicated with a dust collection cover, a filter screen is clamped inside the dust collection box, and one side of the dust collection box is communicated with an air outlet.
Preferably, the filter component comprises a connecting plate fixedly arranged on the right side of the partition plate, a plurality of springs are fixedly arranged on the upper end face of the connecting plate, the other ends of the springs are fixedly provided with the same sieve plate, two ends of the other side of the sieve plate are rotationally connected to the side wall of the treatment box through a rotating shaft, a vibrating motor is fixedly arranged at the bottom of the sieve plate, a discharging hole is formed in the position, located on one side of the sieve plate, of the treatment box, a muck cavity is formed in the right side of the partition plate, and one side of the muck cavity is connected with a door plate through a hinge.
Preferably, inclined baffles are symmetrically and fixedly arranged on two sides of the inner wall of the crushing box, and the inclined baffles are positioned above the two crushing rollers.
Preferably, a guide plate is fixedly arranged on one side of the side wall of the crushing box, which is positioned below the two crushing rollers.
Preferably, the conveyor belt is located directly above the metal storage cavity.
Preferably, a storage box is fixedly arranged below the discharge hole on one side of the treatment box.
Advantageous effects
The utility model provides a removing and classifying device for building slag. Compared with the prior art, the method has the following beneficial effects:
(1) According to the utility model, larger building slag is crushed by the two crushing rollers and falls onto the conveying belt along the inclined baffle, metal waste in the crushed slag is attracted onto the conveying belt by the electromagnet, then the first driving motor is started to drive the conveying belt to rotate, other waste in the slag falls onto the sieve plate by the conveying belt to be filtered again, when the metal waste on the conveying belt is full, the electromagnet is powered off, and the metal waste falls into the metal storage cavity to be collected by the action of gravity, so that the metal waste is effectively recycled.
(2) According to the utility model, the sieve plate and the vibration motor are arranged, so that plastic garbage in building slag can be filtered out, the plastic garbage is collected through the storage box, the second driving motor drives the crushing roller to rotate, the crushing roller is used for crushing the building slag put into the crushing box, the inclined plate is arranged, the building slag can be prevented from being put out of a crushing area, dust generated during crushing can be effectively collected through the induced draft fan and the dust collecting box, and the influence of the dust generated during crushing on the surrounding environment is prevented.
Drawings
FIG. 1 is a perspective view of the external structure of the present utility model;
FIG. 2 is a front view of the internal structure of the present utility model;
FIG. 3 is a schematic view of a recovery assembly of the present utility model;
FIG. 4 is a schematic view of a shredder assembly of the present utility model;
fig. 5 is a schematic view of a filter assembly of the present utility model.
1, a treatment box; 2. a crushing box; 3. a feed inlet; 4. a dust collection box; 5. a partition plate; 6. a tilting baffle; 7. a guide plate; 8. a storage box; 100. a crushing assembly; 101. a second driving motor; 102. a pulverizing roller; 103. a gear; 200. a dust collection assembly; 201. an induced draft fan; 202. an air duct; 203. a dust collection cover; 204. an air outlet; 300. a recovery assembly; 301. a protection box; 302. a first driving motor; 303. a first rotating roller; 304. a second rotating roller; 305. a conveyor belt; 306. a riser; 307. an electromagnet; 308. a metal storage cavity; 309. double door; 400. a filter assembly; 401. a connecting plate; 402. a spring; 403. a sieve plate; 404. a vibration motor; 405. a discharge port; 406. a muck cavity; 407. and (5) a door plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-5, a removing and classifying device for building slag soil comprises a processing box 1, wherein the upper end surface of the processing box 1 is fixedly communicated with a crushing box 2, a crushing assembly 100 is arranged in the crushing box 2, the top of the crushing box 2 is fixedly communicated with a feed inlet 3, a dust collecting box 4 is fixedly arranged on one side of the crushing box 2, a dust collecting assembly 200 is arranged on the dust collecting box 4, a partition plate 5 is fixedly arranged on one side of the processing box 1, a recovery assembly 300 which is convenient for recovering metals in the slag soil is arranged on the left side of the partition plate 5 in the processing box 1, and a filtering assembly 400 is arranged on the right side of the partition plate 5 in the processing box 1.
The recovery assembly 300 comprises a protection box 301 fixedly arranged at one side of the treatment box 1, a first driving motor 302 is fixedly arranged in the protection box 301, the input end of the first driving motor 302 is connected with a power supply through an external cable, the output end of the first driving motor 302 movably penetrates through one side of the treatment box 1 and is fixedly provided with a first rotating roller 303, the other end of the first rotating roller 303 is fixedly arranged on the other side wall of the treatment box 1 through a bearing, two sides, far away from the first rotating roller 303, of the treatment box 1 are rotatably connected with a second rotating roller 304 through bearings, the first rotating roller 303 is in transmission connection with the second rotating roller 304 through a conveying belt 305, a plurality of vertical plates 306 are fixedly arranged on the conveying belt 305, two side walls of the treatment box 1 penetrate through the middle of the conveying belt 305 and are fixedly provided with electromagnets 307, the input ends of the electromagnets 307 are connected with the power supply through the external cable, the left side of the partition plate 5 is a metal storage cavity 308, one side of the metal storage cavity 308 is connected with a double door 309 through a hinge, metal waste in building slag can be effectively recovered through the recovery component 300, when the metal waste in the building slag needs to be recovered, larger building slag is firstly crushed through the crushing component 100, the crushed building slag falls onto the conveyor belt 305, the metal waste in the crushed slag is absorbed onto the conveyor belt 305 through the electromagnet 307, then the first driving motor 302 is started to drive the conveyor belt 305 to rotate, the conveyor belt 305 is adsorbed onto the conveyor belt 305 through the electromagnet 307 in the rotating process, when the metal waste on the conveyor belt 305 is full, the electromagnet 307 is powered off, the metal waste falls into the metal storage cavity 308 through the gravity effect to be collected, the metal scraps in the metal storage cavity 308 can be recycled through the double door 309.
Embodiment two:
referring to fig. 1-5, the present embodiment provides a technical solution based on the first embodiment: the crushing assembly 100 comprises a second driving motor 101 fixedly installed on one side of a crushing box 2 through a supporting plate, the input end of the second driving motor 101 is connected with a power supply through an external cable, crushing rollers 102 are symmetrically installed inside the crushing box 2, one end of each of the two crushing rollers 102 penetrates through one side of the crushing box 2 through a bearing and is fixedly provided with a gear 103, the two gears 103 are meshed with each other, the other end of one crushing roller 102 penetrates through the side wall of the crushing box 2 through the bearing and is fixedly provided with the output end of the second driving motor 101, the crushing assembly 100 can be used for effectively crushing building slag through the arranged crushing assembly, when waste materials are required to be crushed, the crushing rollers 102 are driven to rotate by starting the second driving motor 101, the gears 103 are driven to rotate by the crushing rollers 102, and the gears 103 are driven to rotate by the other crushing rollers 102, so that building slag is crushed.
The dust collection assembly 200 comprises an induced draft fan 201 fixedly arranged at the top of a dust collection box 4, the input end of the induced draft fan 201 is connected with a power supply through an external cable, the air outlet end of the induced draft fan 201 is fixedly provided with an air pipe 202, the other end of the air pipe 202 is fixedly communicated with the inside of the dust collection box 4, the air inlet end of the induced draft fan 201 penetrates through the inside of the crushing box 2 and is fixedly communicated with a dust collection cover 203 above the crushing roller 102 through the air pipe 202, a filter screen is clamped inside the dust collection box 4, one side of the dust collection box 4 is communicated with an air outlet 204, dust generated during crushing building slag can be effectively collected through the arranged dust collection assembly 200, when the dust generated during crushing building slag is required to be collected, the induced draft fan 201 is started to suck the dust into the dust collection box 4 through the dust collection cover 203, the filtered dust is discharged through the air outlet 204, the filtered air comprises a connecting plate 401 fixedly arranged on the right side of a baffle 5, the upper end face of the connecting plate 401 is fixedly provided with a plurality of springs 402, the other ends of the plurality of springs 402 are fixedly provided with the same sieve plate 403, two ends of the other side of the sieve plate 403 are rotationally connected to the side wall of the processing box 1 through a rotating shaft, the bottom of the sieve plate 403 is fixedly provided with a vibrating motor 404, the input end of the vibrating motor 404 is connected with a power supply through an external cable, one side of the processing box 1 is provided with a discharging hole 405 at the rotating shaft of the sieve plate 403, the right side of the partition plate 5 is provided with a muck cavity 406, one side of the muck cavity 406 is connected with a door plate 407 through a hinge, plastic garbage in building muck can be effectively filtered through the arranged filtering assembly 400, when the plastic garbage in building muck is required to be filtered, the first driving motor 302 is started to drive the conveying belt 305 to rotate, the conveying belt 305 conveys crushed muck to the sieve plate 403 in the rotating process, simultaneously, the vibration motor 404 is started to drive the screen plate 403 to vibrate, the screen plate 403 shakes the dregs in the process of vibration to fall into the dregs cavity 406, meanwhile, plastic garbage is simultaneously shaken to fall into the storage box 8 through the discharge hole 405 to be collected, the inclined baffle plates 6 are symmetrically and fixedly arranged on two sides of the inner wall of the crushing box 2, the inclined baffle plates 6 can prevent building dregs from being put into the crushing area, the inclined baffle plates 6 are positioned above the two crushing rollers 102, the side wall of the crushing box 2 is fixedly arranged with the guide plates 7 on one side below the two crushing rollers 102, the guide plates 7 can prevent building dregs from falling into the screen plate 403 directly, the conveying belt 305 is positioned right above the metal storage cavity 308, and the storage box 8 is fixedly arranged below the discharge hole 405 on one side of the processing box 1.
And all that is not described in detail in this specification is well known to those skilled in the art.
During operation, building muck is firstly put into the crushing box 2 through the feeding hole 3, the second driving motor 101 is started to drive the crushing roller 102 to rotate, the crushing roller 102 drives the gear 103 to rotate, the gear 103 drives the other crushing roller 102 to rotate, thereby crushing the building muck, the crushed muck directly falls onto the conveying belt 305, then the first driving motor 302 is started to drive the conveying belt 305 to rotate, the conveying belt 305 is in the rotating process, metal waste is adsorbed onto the conveying belt 305 through the electromagnet 307, when the metal waste on the conveying belt 305 is full, the electromagnet 307 is powered off, the metal waste falls into the metal storage cavity 308 to be collected through the action of gravity, the metal waste in the metal storage cavity 308 can be recycled through the double door 309, meanwhile, other crushed muck falls onto the sieve plate 403 through the transmission of the conveying belt 305, meanwhile, the vibrating motor 404 is started to drive the sieve plate 403 to vibrate, the muck is vibrated into the muck cavity 406 in the vibrating process, the slag can be processed through opening the door plate 407, and meanwhile, the plastic is vibrated into the storage box 8 through the discharging hole 405 to be collected.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a reject sorter for building dregs, includes processing case (1), its characterized in that: the utility model discloses a slag recycling device, including processing case (1), crushing case (2) up end fixed intercommunication has crushing case (2), crushing case (2) internally mounted has crushing subassembly (100), crushing case (2) top fixed intercommunication has feed inlet (3), crushing case (2) one side fixed mounting has dust collection box (4), install dust collection subassembly (200) on dust collection box (4), processing case (1) one side fixed mounting has baffle (5), be located baffle (5) left side in processing case (1) and install recovery subassembly (300) that are convenient for retrieve the metal in the dregs, be located baffle (5) right side in processing case (1) and install filter assembly (400);
recovery subassembly (300) are including fixed mounting at the protection box (301) of handling case (1) one side, protection box (301) inside fixed mounting has first driving motor (302), first driving motor (302) output activity runs through to handling case (1) one side fixed mounting has first rotor (303), first rotor (303) other end passes through bearing fixed mounting at handling case (1) another lateral wall, keep away from first rotor (303) both sides in handling case (1) and be connected with second rotor (304) through bearing rotation, be connected through conveyer belt (305) transmission between first rotor (303) and second rotor (304), fixed mounting has a plurality of riser (306) on conveyer belt (305), handling case (1) both sides wall passes in the middle of conveyer belt (305) fixed mounting have electro-magnet (307), baffle (5) left side is metal storage chamber (308), metal storage chamber (308) one side is through being connected with two and opens the door (309).
2. The removal and classification apparatus for construction waste according to claim 1, wherein: crushing subassembly (100) are including second driving motor (101) in crushing case (2) one side through backup pad fixed mounting, crushing roller (102) are installed to crushing case (2) inside symmetry, two crushing roller (102) one end is all run through crushing case (2) one side fixed mounting through the bearing and is had gear (103), two gear (103) intermeshing, one of them crushing roller (102) other end is at crushing case (2) lateral wall through bearing fixed mounting, another crushing roller (102) other end is run through crushing case (2) one side fixed mounting at second driving motor (101) output through the bearing.
3. The removal and classification apparatus for construction waste according to claim 1, wherein: the dust collection assembly (200) comprises an induced draft fan (201) fixedly mounted at the top of a dust collection box (4), an air outlet end of the induced draft fan (201) is fixedly connected with an air pipe (202), the other end of the air pipe (202) is fixedly connected with the inside of the dust collection box (4), an air inlet end of the induced draft fan (201) penetrates through the inside of a crushing box (2) through the air pipe (202) and is fixedly connected with a dust collection cover (203) above the crushing roller (102), a filter screen is clamped inside the dust collection box (4), and an air outlet (204) is formed in one side of the dust collection box (4).
4. The removal and classification apparatus for construction waste according to claim 1, wherein: the filter component (400) comprises a connecting plate (401) fixedly mounted on the right side of a partition plate (5), a plurality of springs (402) are fixedly mounted on the upper end face of the connecting plate (401), a plurality of springs (402) are fixedly mounted on the other end of each spring, the same sieve plate (403) is fixedly mounted on the other end of each spring, two ends of the other side of each sieve plate (403) are rotatably connected to the side wall of the corresponding processing box (1) through a rotating shaft, a vibrating motor (404) is fixedly mounted on the bottom of each sieve plate (403), a discharging hole (405) is formed in the position of the rotating shaft of each sieve plate (403) on one side of the corresponding processing box (1), a muck cavity (406) is formed in the right side of the partition plate (5), and a door plate (407) is connected to one side of the muck cavity (406) through a hinge.
5. The removal and classification apparatus for construction waste according to claim 1, wherein: inclined baffles (6) are symmetrically and fixedly arranged on two sides of the inner wall of the crushing box (2), and the inclined baffles (6) are positioned above the two crushing rollers (102).
6. The removal and classification apparatus for construction waste according to claim 1, wherein: a guide plate (7) is fixedly arranged on one side of the side wall of the crushing box (2) below the two crushing rollers (102).
7. The removal and classification apparatus for construction waste according to claim 1, wherein: the conveyor belt (305) is located directly above the metal storage cavity (308).
8. The removal and classification apparatus for construction waste according to claim 1, wherein: one side of the treatment box (1) is positioned below the discharge hole (405) and is fixedly provided with a storage box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321814776.8U CN220294803U (en) | 2023-07-11 | 2023-07-11 | A reject sorter for building dregs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321814776.8U CN220294803U (en) | 2023-07-11 | 2023-07-11 | A reject sorter for building dregs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220294803U true CN220294803U (en) | 2024-01-05 |
Family
ID=89347031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321814776.8U Active CN220294803U (en) | 2023-07-11 | 2023-07-11 | A reject sorter for building dregs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220294803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119319032A (en) * | 2024-12-19 | 2025-01-17 | 中国铁建投资集团有限公司 | Civil engineering construction waste material processing apparatus |
-
2023
- 2023-07-11 CN CN202321814776.8U patent/CN220294803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119319032A (en) * | 2024-12-19 | 2025-01-17 | 中国铁建投资集团有限公司 | Civil engineering construction waste material processing apparatus |
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