Building waste concrete crushing and recycling device
By introducing dust removal and magnetic suction components into the construction waste concrete crushing and recycling device, the dust problem during the crushing process is solved, the equipment is protected and the environment is kept clean, and the recycling of resources is promoted.
Patent Information
- Application Number
- CN202520243498.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing construction waste concrete crushing and recycling equipment easily generates a lot of dust during the crushing process, leading to equipment wear and environmental pollution, and posing a threat to the health of workers.
A device for crushing and reusing construction waste concrete was designed. The device uses a dust removal component including a dust suction hood, a conveying pipe and an air pump. The dust suction hood is moved back and forth by a motor-driven bidirectional screw to suck up dust and send it to a dust collection bag. Combined with a conveyor belt and a magnetic suction component, the device separates steel bars and concrete, achieving effective dust removal and resource recycling.
It effectively prevents dust overflow, extends equipment lifespan, reduces environmental pollution, achieves resource recycling, and meets the requirements of sustainable development.
Smart Images
Figure CN223847086U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete recycling technical field especially relates to a building waste concrete crushing recycling device. BACKGROUND
[0002] With the acceleration of urbanization, a large number of old buildings face demolition and reconstruction, and a lot of construction waste is generated. If these wastes are not properly treated, they will occupy a large amount of land resources and cause damage to the surrounding environment, such as soil pollution and dust pollution. Most of the construction waste contains concrete and other materials, so recycling and reusing waste concrete is an important part.
[0003] The existing building waste concrete recycling method is simply crushing concrete blocks. During the crushing process of waste concrete, a large amount of dust is easily generated. The dust adheres to the surface of the equipment, which easily increases the wear of the equipment and reduces the service life of the equipment. The dust overflowed in the air will cause environmental pollution and affect the health of workers if inhaled.
[0004] Therefore, in order to solve such problems, we propose a building waste concrete crushing recycling device. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a building waste concrete crushing recycling device to solve the problem that the existing building waste concrete crushing recycling device easily generates a large amount of dust, the dust adheres to the surface of the processing equipment, causing wear of the equipment, and the dust overflowed in the air will cause environmental pollution and affect the health of workers if inhaled.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a building waste concrete crushing recycling device, comprising a shell, a feeding cavity is arranged inside the shell, a waste inlet is formed through the top of the feeding cavity, a conveying cavity is arranged inside the shell at the bottom of the feeding cavity, a crushing cavity is arranged at the bottom of the conveying cavity away from the feeding cavity, a concrete discharge port is formed through the bottom wall of the crushing cavity, a discharging cavity is arranged on one side of the crushing cavity, a movable door is movably hinged to the outside of the discharging cavity, and a dust removal assembly is arranged inside the side wall of the conveying cavity.
[0007] The dust removal assembly comprises a mounting box fixedly installed outside the shell, a bidirectional screw rod is rotatably arranged inside the mounting box, an electric motor is fixedly connected to one end of the bidirectional screw rod, a sleeve column is threadedly connected to the outside of the bidirectional screw rod, a limiting groove is formed through the side wall of the shell, the sleeve column extends to the inside of the shell through the limiting groove at one end, a dust suction cover is fixedly installed on the outside of the sleeve column, a conveying pipe is fixedly and communicatively connected to the outside of the dust suction cover, the conveying pipe is arranged through the side wall of the shell at the end, a dust removal bag is fixedly arranged at the end of the conveying pipe, and an air suction pump is arranged on the outside of the conveying pipe.
[0008] Preferably, the inside of the feeding cavity, the conveying cavity, the crushing cavity and the discharging cavity are communicated with each other, the inside of the feeding cavity is provided with a separation assembly, the bottom wall of the feeding cavity is provided with a through port, the inside of the conveying cavity below the through port is provided with a conveying belt, the top of the conveying belt is movably provided with a baffle, the end of the conveying belt extends to the top of the crushing cavity, and the inside of the top of the crushing cavity is rotatably provided with a crushing roller.
[0009] Preferably, the separation assembly comprises a hydraulic oil cylinder fixedly installed in the inside of the feeding cavity, the output end of the hydraulic oil cylinder is fixedly connected with a hydraulic push rod, and the end of the hydraulic push rod is fixedly provided with a pressing block one.
[0010] Preferably, the pressing block two cooperates with the pressing block one, and the side wall adjacent to the pressing block one of the pressing block two is fixedly provided with an extrusion tooth.
[0011] Preferably, the top wall of the conveying cavity above the baffle is fixedly installed with a vertical frame, the inside of the vertical frame is provided with a cavity, the upper end of the baffle is movably arranged in the inside of the cavity, the upper end of the baffle is fixedly provided with a spring, and the end of the spring is fixedly installed on the inner wall of the cavity.
[0012] Preferably, the top of the conveying belt is provided with a magnetic attraction assembly, the magnetic attraction assembly comprises an electric guide rail fixedly installed on the top plate of the conveying cavity and the discharging cavity, the outside of the electric guide rail is movably provided with a sliding block, the bottom of the sliding block is fixedly provided with an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly provided with a connecting disc, and the bottom of the connecting disc is fixedly laid with an electromagnet.
[0013] The utility model has the advantages of the following beneficial effects:
[0014] In the utility model, firstly, the motor drives the bidirectional screw rod to rotate, the sleeve column drives the dust cover 85 to reciprocate, dust is sucked, and the dust is sent to the dust bag by the conveying pipe and the air suction pump, so that the dust is prevented from overflowing. In the process of crushing the waste concrete, the device can absorb the flying dust, avoid the flying dust from adhering to the surface of the equipment, prolong the service life of the equipment, prevent the flying dust from overflowing in the air and damaging the environment, and effectively recycle the building waste concrete, relieve the resource shortage pressure, reduce the dependence on natural resources by recycling the building materials, realize the recycling of resources, and meet the requirements of sustainable development. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model;
[0016] Figure 2 It is an inside structure schematic view of the utility model;
[0017] Figure 3The magnetic attraction assembly structure schematic view of the utility model;
[0018] Figure 4 The separation assembly structure schematic view of the utility model;
[0019] Figure 5 The dust removal assembly structure schematic view of the utility model.
[0020] Legend:
[0021] 1, shell; 11, feeding cavity; 12, transport cavity; 13, crushing cavity; 14, discharging cavity; 15, concrete discharge port; 2, waste inlet; 3, separation assembly; 31, hydraulic oil cylinder; 32, hydraulic push rod; 33, pressing block one; 34, pressing block two; 35, extrusion tooth; 4, conveying belt; 5, baffle; 51, vertical frame; 52, spring; 6, crushing roller; 7, magnetic attraction assembly; 71, electric guide rail; 72, sliding block; 73, electric telescopic rod; 74, connecting disc; 75, electromagnet; 8, dust removal assembly; 81, mounting box; 82, bidirectional screw; 83, motor; 84, sleeve column; 85, dust collection cover; 86, conveying pipe; 87, dust removal bag; 88, air suction pump. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected. It can be mechanical connection, or electrical connection. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] Referring to Figures 1-5 The utility model provides an embodiment: a kind of construction waste concrete crushing recycling device, the inside of shell 1 is provided with feeding cavity 11, the inside of feeding cavity 11 is provided with separation assembly 3, and the concrete of big block mixing steel bar etc. is extruded into small block by separation assembly 3, and other substances in concrete are separated, and the bottom wall of feeding cavity 11 is provided with through mouth, and separated concrete and other substances enter transport cavity 12 from through mouth, and the top of feeding cavity 11 is provided with waste inlet 2, and the inside of shell 1 in the bottom of feeding cavity 11 is provided with transport cavity 12, and the inside of transport cavity 12 is provided with conveyer belt 4, and the bottom of the end of transport cavity 12 away from feeding cavity 11 is provided with pulverization cavity 13, and the top of conveyer belt 4 is movably provided with baffle 5, and the end of conveyer belt 4 extends to the top of pulverization cavity 13, and the inside of pulverization cavity 13 is rotatably provided with crushing roller 6, and the bottom wall of pulverization cavity 13 is provided with concrete discharge port 15, and one side of pulverization cavity 13 is provided with discharging cavity 14, and the outside of discharging cavity 14 is movably hinged with swing door, and the inside of the side wall of transport cavity 12 is provided with dust removal assembly 8;
[0025] Dust removal assembly 8 includes mounting box 81 fixedly installed on the outside of shell 1, and bidirectional screw rod 82 is rotatably arranged in the inside of mounting box 81, and one end of bidirectional screw rod 82 is fixedly connected with motor 83, and the outside of bidirectional screw rod 82 is threadedly connected with sleeve column 84, and limiting slot is formed through the side wall of shell 1, and one end of sleeve column 84 passes through limiting slot and extends to the inside of shell 1, and dust cover 85 is fixedly installed on the outside of sleeve column 84, and dust cover 85 is fixedly and communicatively connected with conveying pipe 86 outside, and the end of conveying pipe 86 is arranged through the side wall of shell 1, and dust removal bag 87 is fixedly arranged at the end of conveying pipe 86, and suction pump 88 is arranged on the outside of conveying pipe 86, and bidirectional screw rod 82 is driven to rotate by motor 83, so that dust cover 85 is driven to reciprocate by sleeve column 84, dust is sucked, and dust is sent to dust removal bag 87 by conveying pipe 86 and suction pump 88.
[0026] Separation assembly 3 includes hydraulic oil cylinder 31 fixedly installed in the inside of feeding cavity 11, and the output end of hydraulic oil cylinder 31 is fixedly connected with hydraulic push rod 32, and the end of hydraulic push rod 32 is fixedly provided with pressing block one 33, and pressing block two 34 is fixedly arranged on the opposite inner wall of feeding cavity 11 relative to pressing block one 33, and pressing block two 34 cooperates with pressing block one 33, and extrusion teeth 35 are fixedly arranged on the side wall adjacent to pressing block one 33 and pressing block two 34, and hydraulic push rod 32 is driven to move by hydraulic oil cylinder 31 to drive pressing block one 33 to move, so that pressing block one 33 pushes concrete waste to press to pressing block two 34, realizes crushing, and separates concrete from other substances in it.
[0027] The top wall of the conveying cavity 12 above the baffle 5 is fixedly provided with a vertical frame 51, the inside of the vertical frame 51 is provided with a cavity, the upper end of the baffle 5 is movably arranged in the cavity, the upper end of the baffle 5 is fixedly provided with a spring 52, the end of the spring 52 is fixedly arranged on the inner wall of the cavity, the baffle 5 pushes the concrete waste accumulated too high on the conveying belt 4 to be flat, so that the electromagnet 75 can fully remove the steel bars in the concrete.
[0028] The top of the conveying belt 4 is provided with a magnetic assembly 7, the magnetic assembly 7 comprises an electric guide rail 71 fixedly arranged on the top plate of the conveying cavity 12 and the discharging cavity 14, the outside of the electric guide rail 71 is movably provided with a sliding block 72, the bottom of the sliding block 72 is fixedly provided with an electric telescopic rod 73, the bottom end of the electric telescopic rod 73 is fixedly provided with a connecting disc 74, the bottom of the connecting disc 74 is fixedly provided with an electromagnet 75, the electric guide rail 71 drives the sliding block 72 to move, so that the electromagnet 75 attracts the steel bars on the conveying belt and drives the steel bars to move to the discharging cavity 14, the electromagnet 75 loses magnetism after being powered off, and the steel bars fall into the discharging cavity 14
[0029] Working principle: first, the hydraulic oil cylinder 31 drives the hydraulic push rod 32 to drive the pressing block one 33 to move, so that the pressing block one 33 pushes the concrete waste to the pressing block two 34, realizes crushing, separates the concrete from other substances in it, the separated materials enter the conveying belt 4 in the conveying cavity 12 from the through hole, the electric guide rail 71 drives the sliding block 72 to move, so that the electromagnet 75 attracts the steel bars on the conveying belt and drives the steel bars to move to the discharging cavity 14, the concrete on the conveying belt 4 is conveyed to the crushing cavity 13 for crushing, at the same time, the motor 83 drives the bidirectional screw rod 82 to rotate, so that the sleeve column 84 drives the dust suction cover 85 to reciprocate, absorbs the dust, and uses the conveying pipe 86 and the air suction pump 88 to send the dust to the dust removal bag 87.
[0030] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A construction waste concrete crushing recycling device comprising a housing (1), characterized in that: The inside of the shell (1) is provided with a feeding cavity (11), a waste inlet (2) is opened through the top of the feeding cavity (11), the inside of the shell (1) at the bottom of the feeding cavity (11) is provided with a conveying cavity (12), the bottom of the conveying cavity (12) away from the feeding cavity (11) is provided with a crushing cavity (13), the bottom wall of the crushing cavity (13) is provided with a concrete discharge port (15), one side of the crushing cavity (13) is provided with a discharging cavity (14), the outer side of the discharging cavity (14) is hingedly connected with a movable door, and the inside of the side wall of the conveying cavity (12) is provided with a dust removal assembly (8). The dust removal assembly (8) comprises a mounting box (81) fixedly installed outside the shell (1), a bidirectional screw rod (82) rotatably arranged in the mounting box (81), a motor (83) fixedly connected to one end of the bidirectional screw rod (82), a sleeve column (84) threadedly connected to the outside of the bidirectional screw rod (82), a limiting groove formed through the side wall of the shell (1), the sleeve column (84) extending into the inside of the shell (1) through the limiting groove, a dust suction cover (85) fixedly installed on the outside of the sleeve column (84), a conveying pipe (86) fixedly and communicatively connected to the outside of the dust suction cover (85), the conveying pipe (86) arranged through the side wall of the shell (1) at the end thereof, a dust removal bag (87) fixedly arranged at the end of the conveying pipe (86), and an air suction pump (88) arranged on the outside of the conveying pipe (86).
2. The apparatus according to claim 1, wherein: The inside of the feeding cavity (11), the conveying cavity (12), the crushing cavity (13) and the discharging cavity (14) are in communication with each other, the inside of the feeding cavity (11) is provided with a separation assembly (3), the bottom wall of the feeding cavity (11) is provided with a through port, the inside of the conveying cavity (12) below the through port is provided with a conveying belt (4), the top of the conveying belt (4) is movably provided with a baffle (5), the end of the conveying belt (4) extends above the crushing cavity (13), and the inside of the crushing cavity (13) is rotatably provided with a crushing roller (6).
3. The apparatus according to claim 2, wherein: The separation assembly (3) comprises a hydraulic oil cylinder (31) fixedly installed in the inside of the feeding cavity (11), a hydraulic push rod (32) fixedly connected to the output end of the hydraulic oil cylinder (31), and a pressing block one (33) fixedly arranged at the end of the hydraulic push rod (32).
4. The apparatus according to claim 3, wherein: The pressing block two (34) is matched with the pressing block one (33), and the side wall adjacent to the pressing block one (33) of the pressing block two (34) is fixedly provided with an extrusion tooth (35).
5. The apparatus according to claim 2, wherein: The top wall of the conveying cavity (12) above the baffle (5) is fixedly installed with a vertical frame (51), the inside of the vertical frame (51) is provided with a cavity, the upper end of the baffle (5) is movably arranged in the inside of the cavity, the upper end of the baffle (5) is fixedly provided with a spring (52), and the end of the spring (52) is fixedly installed on the inner wall of the cavity.
6. The apparatus according to claim 2, wherein: A magnetic attraction assembly (7) is arranged above the conveying belt (4), the magnetic attraction assembly (7) comprises an electric guide rail (71) fixedly installed on the top plate of the conveying cavity (12) and the feeding cavity (14), the outer portion of the electric guide rail (71) is movably provided with a sliding block (72), the bottom of the sliding block (72) is fixedly provided with an electric telescopic rod (73), the bottom end of the electric telescopic rod (73) is fixedly provided with a connecting disc (74), and the bottom of the connecting disc (74) is fixedly laid with an electromagnet (75).