Crushing equipment for construction waste
By designing a crushing equipment including crushing boxes, dust removal boxes, exhaust fans, vacuum channels, spray pipes and water pumps, the problem of poor dust handling during the crushing of construction waste is solved, effective absorption and settlement of dust is achieved, and environmental and human health is protected.
Patent Information
- Application Number
- CN202420378782.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-02-28
AI Technical Summary
Existing construction waste crushing equipment cannot effectively deal with dust during the crushing process, causing dust to float in the air, endangering the environment and human health.
A crushing equipment including a crushing box, a dust collector, a fan, a vacuum passage, a spray pipe and a water pump are designed. The exhaust fan generates negative pressure to absorb dust, and the spray pipe sprays water to settle the dust to prevent the dust from being extracted.
It effectively prevents dust from floating in the air, protects the environment and human health, and avoids dust being discharged to the outside world.
Smart Images

Figure CN222586688U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction engineering, in particular to a crushing device for construction waste. Background Art
[0002] A construction project refers to an engineering entity formed through the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment.
[0003] In the process of building demolition, a large amount of construction waste will be generated, most of which are waste concrete. If it is not treated, it will cause environmental pollution, have a bad impact on the soil, and even threaten the personal safety of residents. The current recycling method is to use crushing equipment to crush concrete and then replace traditional mineral materials as recycled aggregate. In the existing technology, most construction waste is prone to generate a large amount of dust when crushed, and most crushing equipment cannot handle the dust during use, resulting in a large amount of dust floating in the air, thereby causing harm to the surrounding environment and human body, and insufficient safety. Therefore, it is necessary to design a crushing equipment for construction waste to address the above problems. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a crushing device for construction waste.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A crushing device for construction waste comprises a bottom plate, wherein a crushing box is fixedly installed on the upper surface of the bottom plate through a supporting mechanism, two crushing rollers are rotatably installed inside the crushing box, and the outer walls of the rotating shafts of the two crushing rollers are connected through a rotating mechanism, a first motor connected to one of the crushing rollers is fixedly installed on the outer wall of the crushing box, guide plates are fixedly installed on the inner walls on both sides of the crushing box, a discharge channel connected to the interior is fixedly installed on the outer bottom wall of the crushing box, a dust removal box and a water storage tank are fixedly installed on the upper surface of the bottom plate, a dust suction channel connected to the interior is fixedly installed on the upper surface of the dust removal box, a dust suction hood matching the crushing box is fixedly installed on the outer wall of the dust suction channel, and the upper surface of the dust removal box is fixed An exhaust fan is installed, and the inlet pipe of the exhaust fan extends to the interior of the dust removal box. A connecting pipe is rotatably installed on the inner wall of the dust removal box, and two spray pipes are fixedly installed on the outer wall of the connecting pipe through a connecting mechanism. A plurality of spray holes connected to the interior are provided on the outer walls of the two spray pipes. A filling port connected to the interior is provided on the upper end surface of the water storage tank. A water pump is fixedly installed on the upper end surface of the water storage tank, and the water pump outlet pipe is rotatably connected to the connecting pipe. The water pump inlet pipe extends to the interior of the water storage tank. A second motor is fixedly installed on the outer wall of the dust removal box through a connecting mechanism, and the outer wall of the output shaft of the second motor is connected to the connecting pipe through a transmission mechanism. A collecting box is slidably installed on the outer wall of the dust removal box through a pull-out opening.
[0007] Preferably, the support mechanism comprises a plurality of support legs fixedly mounted on the upper end surface of the bottom plate, and an end of each of the support legs is connected to the outer wall of the crushing box.
[0008] Preferably, the rotating mechanism comprises gears fixedly mounted on the outer walls of the rotating shafts of the two crushing rollers, and the two gears mesh with each other.
[0009] Preferably, the connection mechanism comprises a plurality of connection pipes fixedly mounted on the outer wall of the connection pipe, and an end of each of the connection pipes is connected to the interior of the spray pipe.
[0010] Preferably, the connecting mechanism comprises a connecting plate fixedly mounted on the outer wall of the dust removal box, and the second motor is fixedly mounted on the outer wall of the connecting plate.
[0011] Preferably, the transmission mechanism comprises a pulley fixedly mounted on the connecting tube and the outer wall of the second motor output shaft, and the outer walls of the two pulleys are connected for transmission via a belt.
[0012] Beneficial effects of the utility model:
[0013] 1. By setting up components such as a dust removal box, an exhaust fan, a dust suction channel and an air suction hood, the exhaust fan can be started to generate negative pressure inside the dust removal box. The suction force generated by the negative pressure can absorb the rising dust through the cooperation of the dust suction channel and the dust suction hood. The absorbed dust can be inside the dust removal box, thereby preventing a large amount of dust from floating in the air and causing harm to the environment and human body.
[0014] 2. By setting up components such as a water pump, a connecting pipe and a spray pipe, the water pump can pump the spray water inside the water tank, and the spray water taken out by the pump can be discharged into the inside of the connecting pipe, and flow into the two spray pipes through the cooperation of multiple connecting pipes inside the connecting pipe. The spray water is sprayed out through multiple spray holes inside the two spray pipes. The sprayed spray water can spray and settle the dust inside the dust removal box, thereby preventing the dust from being sucked out by the exhaust fan and discharged to the outside. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of a crushing device for construction waste proposed by the utility model;
[0016] Figure 2 for Figure 1 Schematic diagram of the vertical section structure;
[0017] Figure 3 This is a schematic diagram of the back structure of a crushing device for construction waste proposed by the utility model;
[0018] Figure 4 for Figure 2 A schematic diagram of the structure enlargement at point A;
[0019] Figure 5 for Figure 2 A magnified schematic diagram of the structure at point B in FIG.
[0020] In the figure: 1 bottom plate, 2 supporting legs, 3 crushing box, 4 crushing roller, 5 gear, 6 first motor, 7 guide plate, 8 dust removal box, 9 water storage tank, 10 dust suction channel, 11 dust suction hood, 12 exhaust fan, 13 connecting pipe, 14 connecting pipe, 15 spray pipe, 16 water pump, 17 connecting plate, 18 second motor, 19 pulley, 20 collection box. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] Reference Figure 1-5A crushing device for construction waste includes a base plate 1, a crushing box 3 is fixedly installed on the upper end surface of the base plate 1 through a supporting mechanism, the supporting mechanism includes a plurality of supporting legs 2 fixedly installed on the upper end surface of the base plate 1, and the end of each supporting leg 2 is connected to the outer wall of the crushing box 3. Two crushing rollers 4 are rotatably installed inside the crushing box 3, and the outer walls of the rotating shafts of the two crushing rollers 4 are connected through a rotating mechanism. The rotating mechanism includes gears 5 fixedly installed on the outer walls of the rotating shafts of the two crushing rollers 4, and the two gears 5 are meshed with each other.
[0023] The outer wall of the crushing box 3 is fixedly mounted with a first motor 6 connected to one of the crushing rollers 4, the inner walls on both sides of the crushing box 3 are fixedly mounted with guide plates 7, and the two guide plates 7 are arranged oppositely and tilted, so that the construction waste can be concentrated between the two crushing rollers 4. The outer bottom wall of the crushing box 3 is fixedly mounted with a discharge channel connected to the interior, the upper end surface of the bottom plate 1 is fixedly mounted with a dust removal box 8 and a water storage tank 9, the upper end surface of the dust removal box 8 is fixedly mounted with a dust suction channel 10 connected to the interior, and the outer wall of the dust suction channel 10 is fixedly mounted with a dust suction channel 10 connected to the powder. The dust box 3 is matched with a dust suction hood 11, and the suction hood 11 can increase the dust suction area, thereby increasing the dust removal effect. An exhaust fan 12 is fixedly installed on the upper end surface of the dust removal box 8, and the inlet pipe of the exhaust fan 12 extends to the inside of the dust removal box 8. A connecting pipe 13 is rotatably installed on the inner wall of the dust removal box 8, and two spray pipes 15 are fixedly installed on the outer wall of the connecting pipe 13 through a connecting mechanism. The connecting mechanism includes a plurality of connecting pipes 14 fixedly installed on the outer wall of the connecting pipe 13, and the end of each connecting pipe 14 is connected to the inside of the spray pipe 15.
[0024] The outer walls of the two spray pipes 15 are each provided with a plurality of spray holes connected to the interior, a filling port connected to the interior is provided on the upper end surface of the water tank 9, a water pump 16 is fixedly installed on the upper end surface of the water tank 9, the outlet pipe of the water pump 16 is rotatably connected to the connecting pipe 13, and the inlet pipe of the water pump 16 extends to the interior of the water tank 9, a second motor 18 is fixedly installed on the outer wall of the dust removal box 8 through a connecting mechanism, the connecting mechanism includes a connecting plate 17 fixedly installed on the outer wall of the dust removal box 8, the second motor 18 is fixedly installed on the outer wall of the connecting plate 17, the outer wall of the output shaft of the second motor 18 is connected to the connecting pipe 13 through a transmission mechanism, a collecting box 20 is slidably installed on the outer wall of the dust removal box 8 through a pull-out opening, the transmission mechanism includes a pulley 19 fixedly installed on the connecting pipe 13 and the outer wall of the output shaft of the second motor 18, and the outer walls of the two pulleys 19 are connected and driven by belts.
[0025] When the utility model is used, the construction waste is poured into the crushing box 3 from the upper end surface thereof, and the construction waste can be concentrated between the two crushing rollers 4 through the cooperation of the two guide plates 7, and then the first motor 6 drives one of the crushing rollers 4 to rotate, and one of the crushing rollers 4 drives the other crushing roller 4 to rotate through two mutually meshing gears 5, and the two mutually meshing gears 5 can make the two crushing rollers 4 rotate in opposite directions to crush the construction waste, and the crushed construction waste can be discharged from the crushing box 3 through the discharge channel, and when a large amount of dust is generated during the crushing of the construction waste, the exhaust fan 12 is started to generate negative pressure inside the dust removal box 8, and the suction force generated by the negative pressure can absorb the rising dust through the cooperation of the dust suction channel 10 and the dust suction cover 11, and the absorbed dust can be inside the dust removal box 8, thereby preventing a large amount of dust from floating in the air and causing harm to the environment and human body;
[0026] At the same time, the water pump 16 can pump the spray water inside the water storage tank 9, and the spray water taken out by the pump can be discharged into the connecting pipe 13, and flow into the two spray pipes 15 inside the connecting pipe 13 through the cooperation of multiple connecting pipes 14, and the spray water is sprayed through multiple spray holes inside the two spray pipes 15. The spray water can spray and settle the dust inside the dust removal box 8, thereby preventing the dust from being extracted and discharged to the outside by the exhaust fan 12, and then the sewage can fall into the collection box 20 for collection. When the spray water inside the water storage tank 9 is insufficient, spray water can be added to it through the filling port, and during spraying, the second motor 18 can drive the connecting pipe 13 to rotate through two pulleys 19 connected by belts. At this time, the connecting pipe 13 can drive the two spray pipes 15 to rotate through the cooperation of multiple connecting pipes 14, thereby enabling the two spray pipes 15 to rotate while spraying the spray water, thereby increasing the contact effect between the spray water and the dust, and improving the efficiency of spraying and settling the dust.
[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A crushing device for construction waste, comprising a bottom plate (1), characterized in that: A crushing box (3) is fixedly mounted on the upper end surface of the bottom plate (1) through a supporting mechanism, two crushing rollers (4) are rotatably mounted inside the crushing box (3), and the outer walls of the rotating shafts of the two crushing rollers (4) are connected through a rotating mechanism. A first motor (6) connected to one of the crushing rollers (4) is fixedly mounted on the outer wall of the crushing box (3), guide plates (7) are fixedly mounted on the inner walls on both sides of the crushing box (3), and a discharge channel connected to the interior is fixedly mounted on the outer bottom wall of the crushing box (3). A dust removal box (8) and a water storage tank (9) are fixedly mounted on the upper end surface of the bottom plate (1), a dust suction channel (10) connected to the interior is fixedly mounted on the upper end surface of the dust removal box (8), and a dust suction cover (11) matched with the crushing box (3) is fixedly mounted on the outer wall of the dust suction channel (10), and an exhaust fan (12) is fixedly mounted on the upper end surface of the dust removal box (8). The inlet pipe 12 extends to the interior of the dust removal box (8). A connecting pipe (13) is rotatably installed on the inner wall of the dust removal box (8). Two spray pipes (15) are fixedly installed on the outer wall of the connecting pipe (13) through a connection mechanism. The outer walls of the two spray pipes (15) are each provided with a plurality of spray holes connected to the interior. The upper end surface of the water storage tank (9) is provided with a filling port connected to the interior. A water pump (16) is fixedly installed on the upper end surface of the water storage tank (9). The outlet pipe of the water pump (16) is rotatably connected to the connecting pipe (13). The inlet pipe of the water pump (16) extends to the interior of the water storage tank (9). A second motor (18) is fixedly installed on the outer wall of the dust removal box (8) through a connection mechanism. The outer wall of the output shaft of the second motor (18) is connected to the connecting pipe (13) through a transmission mechanism. A collecting box (20) is slidably installed on the outer wall of the dust removal box (8) through a pull-out opening.
2. A crushing device for construction waste according to claim 1, characterized in that: The support mechanism comprises a plurality of support legs (2) fixedly mounted on the upper end surface of the bottom plate (1), and the end of each support leg (2) is connected to the outer wall of the crushing box (3).
3. A crushing device for construction waste according to claim 2, characterized in that: The rotating mechanism comprises a gear (5) fixedly mounted on the outer wall of the rotating shaft of two crushing rollers (4), and the two gears (5) mesh with each other.
4. A crushing device for construction waste according to claim 3, characterized in that: The connection mechanism comprises a plurality of connection pipes (14) fixedly mounted on the outer wall of the connection pipe (13), and the end of each connection pipe (14) is connected to the inside of the spray pipe (15).
5. The crushing device for construction waste according to claim 4, characterized in that: The connection mechanism comprises a connection plate (17) fixedly mounted on the outer wall of the dust removal box (8), and the second motor (18) is fixedly mounted on the outer wall of the connection plate (17).
6. A crushing device for construction waste according to claim 5, characterized in that: The transmission mechanism comprises a pulley (19) fixedly mounted on the connecting tube (13) and the outer wall of the output shaft of the second motor (18), and the outer walls of the two pulleys (19) are connected for transmission via a belt.