Multi-stage screening equipment for crushing building materials

By introducing water dust reduction treatment system and multi-stage screening structure into building material crushing equipment, the problem of dust flying is solved, efficient dust treatment and multi-stage screening of building materials are achieved, and the safety and efficiency of the equipment are improved.

CN222287836UActive Publication Date: 2025-01-03LINZHOU LEINO RENEWABLE RESOURCES CO LTD
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Patent Information

Application Number
CN202421045668.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-01-03
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

Existing building material crushing equipment is prone to flying dust during the screening process, resulting in environmental pollution and physical harm to staff.

Method used

A multi-stage screening equipment for crushing building materials is designed, and a water dust reduction treatment system is adopted with a water outlet plate and atomizing nozzle. Combined with the multi-stage rotary screening structure of the first and second screening cylinders, the bevel gear is driven by the driving motor. The rotating column is screened step by step, and dust is reduced by water pump and atomized spray head.

Benefits of technology

It effectively avoids the harm of dust flying to the environment and personnel, improves screening efficiency, reduces the risk of material blockage, and realizes efficient dust treatment and multi-stage screening of building materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a building material pulverization's multistage screening equipment, including bearing frame, first screening cylinder and second screening cylinder, the top surface of bearing frame is fixedly equipped with mounting rack, and one side surface of mounting rack is equipped with water outlet plate, and the surface of water outlet plate is equipped with atomizing nozzle, and the atomizing nozzle is equipped with the first screening cylinder and the second screening cylinder. A water pump is mounted on the surface of the other side of the mounting frame, the water outlet end of the water pump communicates with the water outlet plate, a second screening barrel is arranged in the first screening barrel, feeding ports are formed in the surfaces of the first screening barrel and the second screening barrel correspondingly, and sealing covers are mounted on the feeding ports; second rotating columns are welded to the surfaces of the two sides of the first screening barrel correspondingly. According to the dust removal device, the water pump works to pump water into the water outlet plate, then the water is sprayed out of the atomization nozzles, dust generated in the screening process can be subjected to water dust removal treatment, pollution caused by dust flying to the operation surrounding environment is avoided, harm to the bodies of workers is reduced, and the dust removal device is high in practicability and worthy of popularization.
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Description

Technical Field

[0001] The utility model relates to the technical field of building machinery, in particular to a multi-stage screening device for crushing building materials. Background Art

[0002] The world advocates "energy conservation and environmental protection" to save existing energy consumption, promote the development of environmentally friendly new energy, and benefit society. The construction industry is transforming from labor-intensive to technology-intensive. The stone crusher series crusher is suitable for crushing soft, medium-hard and extremely hard materials. After crushing, the crushed building materials need to be screened.

[0003] The existing technology has the following problems:

[0004] After extensive searching, it was found that Chinese Patent No.: CN213943496U discloses an environmentally friendly building material crushing and processing equipment, which solves the problem of building material crushing devices currently on the market, and realizes the crushing and processing of building waste materials. Since the existing crushing devices do not have the ability to separate coarse and fine materials when crushing building materials, the crushed building materials cannot be screened, thus affecting their secondary use. The equipment includes a crushing base plate, a support frame is fixedly installed on the top of the crushing base plate, a crushing machine box is fixedly installed on the top of the support frame, and two cylindrical uprights are fixedly installed on the top of the crushing base plate, one of which is fixedly installed with three receiving support plates on the outside. The utility model has the function of screening out materials of different sizes from the crushed building materials and performing multi-stage screening on the screening plate, thereby separating the crushed building materials and realizing the reuse of waste building materials.

[0005] However, the above patent still has some problems in actual use. The most obvious one is that the screening process is prone to cause dust flying, which not only easily pollutes the surrounding environment of the operation, but also easily causes harm to the health of the workers.

[0006] To this end, we proposed a multi-stage screening equipment for building material crushing to solve the above-mentioned drawbacks. Utility Model Content

[0007] The utility model aims to solve the shortcomings in the prior art and provides a multi-stage screening device for crushing building materials.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-stage screening device for crushing building materials, comprising a carrier, a first screening cylinder and a second screening cylinder, a mounting frame is fixedly installed on the top surface of the carrier, a water outlet plate is installed on one side surface of the mounting frame, and an atomizing nozzle is installed on the surface of the water outlet plate, a water pump is installed on the other side surface of the mounting frame, and the water outlet end of the water pump is connected to the water outlet plate, a second screening cylinder is arranged in the first screening cylinder, a feed port is opened on the surface of the first screening cylinder and the second screening cylinder, and a sealing cover is installed on the feed port, and both sides of the first screening cylinder A second rotating column is welded on the surface of each of the two second rotating columns, and a first rotating column is penetrated through each of the two second rotating columns, and the ends of the two first rotating columns close to each other are welded to the two side surfaces of the second screening cylinder, and the ends of the two first rotating columns away from each other are rotatably connected to the supporting frame, a first bevel gear is installed on one of the first rotating columns, and a second bevel gear is fixedly installed on the surface of one of the second rotating columns, a driving motor is installed on the inner wall of the supporting frame, and a third bevel gear is installed on the output end of the driving motor, and the third bevel gear is meshed with the first bevel gear and the second bevel gear, and a collecting box is installed on the supporting frame.

[0009] Preferably, a control panel is fixedly mounted on the surface of the carrier frame, and the control panel is electrically connected to the drive motor and the water pump through wires.

[0010] Preferably, the diameter of the first screening cylinder is greater than the diameter of the second screening cylinder.

[0011] Preferably, the mesh number of the first screening cylinder is greater than the mesh number of the second screening cylinder.

[0012] Preferably, a plurality of atomizing nozzles are provided, and the plurality of atomizing nozzles are distributed on the surface of the water outlet plate in a rectangular array.

[0013] Preferably, the length of the water outlet plate is greater than the diameter of the first screening cylinder.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, a water outlet plate is provided, and the water pump is operated to pump water into the water outlet plate, and then the water is sprayed out from a plurality of atomizing nozzles. The dust generated in the screening process can be treated by water dust reduction, so as to avoid the pollution of the surrounding environment of the operation by the flying dust and reduce the harm to the health of the workers. The utility model has strong practicality and is worthy of promotion.

[0016] 2. In the utility model, a first screening drum and a second screening drum are arranged, the sealing covers on the first screening drum and the second screening drum are opened, the crushed building materials are put into the second screening drum, and the sealing cover is closed, and then the driving motor is started, and the driving motor drives the third bevel gear to rotate, and the rotation of the third bevel gear drives the first bevel gear and the second bevel gear to rotate, and the rotation of the first bevel gear and the second bevel gear drives the first rotating column and the second rotating column to rotate, so that the second screening drum and the first screening drum rotate, so as to achieve the effect of step-by-step screening of the crushed building materials, and the rotating second screening drum and the first screening drum can reduce the risk of being blocked by building materials, and the screening efficiency is high. After the screening is completed, the feed ports on the first screening drum and the second screening drum are rotated downward, and the feed ports of the first screening drum and the second screening drum are overlapped, the sealing cover is reopened, and the remaining building materials after screening by the first screening drum and the second screening drum can be discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of a multi-stage screening device for crushing building materials proposed by the utility model;

[0019] Figure 2 It is a three-dimensional picture of the water outlet plate and the atomizing nozzle;

[0020] Figure 3 for Figure 1 Schematic diagram of the external structure.

[0021] Legend:

[0022] 1. Carrying frame; 2. Mounting frame; 3. Water outlet plate; 4. Atomizing nozzle; 5. Water pump; 6. Control panel; 7. First screening cylinder; 8. Second screening cylinder; 9. First rotating column; 10. First bevel gear; 11. Second rotating column; 12. Second bevel gear; 13. Driving motor; 14. Third bevel gear; 15. Feed inlet; 16. Sealing cover; 17. Collection box. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Please refer to Figure 1-3A multi-stage screening device for crushing building materials comprises a carrier frame 1, a first screening drum 7 and a second screening drum 8. A mounting frame 2 is fixedly mounted on the top surface of the carrier frame 1, and a water outlet plate 3 is mounted on one side surface of the mounting frame 2, and an atomizing nozzle 4 is mounted on the surface of the water outlet plate 3. A water pump 5 is mounted on the other side surface of the mounting frame 2, and the water outlet end of the water pump 5 is connected to the water outlet plate 3. The second screening drum 8 is arranged in the first screening drum 7. A feed port 15 is opened on the surface of the first screening drum 7 and the second screening drum 8, and a sealing cover 16 is installed on the feed port 15. Second rotating columns 11 are welded on both side surfaces of the first screening drum 7, and the two second A first rotating column 9 is provided throughout the rotating column 11, and the ends of the two first rotating columns 9 close to each other are welded to the two side surfaces of the second screening drum 8, and the ends of the two first rotating columns 9 away from each other are rotatably connected to the supporting frame 1, a first rotating column 9 is installed with a first bevel gear 10, a second bevel gear 12 is fixedly installed on the surface of a second rotating column 11, a driving motor 13 is installed on the inner wall of the supporting frame 1, and a third bevel gear 14 is installed at the output end of the driving motor 13, and the third bevel gear 14 is meshed with the first bevel gear 10 and the second bevel gear 12, a collecting box 17 is installed on the supporting frame 1, and when in use, the first screening drum 8 is opened. The sealing cover 16 on the separation drum 7 and the second screening drum 8 puts the crushed building materials into the second screening drum 8, and closes the sealing cover 16, then starts the driving motor 13, the driving motor 13 drives the third bevel gear 14 to rotate, the rotation of the third bevel gear 14 drives the first bevel gear 10 and the second bevel gear 12 to rotate, the first bevel gear 10 and the second bevel gear 12 rotate and drive the first rotating column 9 and the second rotating column 11 to rotate, so that the second screening drum 8 and the first screening drum 7 rotate, and the effect of step-by-step screening of the crushed building materials is achieved, and the rotating second screening drum 8 and the first screening drum 7 can reduce There is no risk of being blocked by building materials, and the screening efficiency is high. After the screening is completed, the feed ports 15 on the first screening cylinder 7 and the second screening cylinder 8 are rotated downward, and the feed ports 15 of the first screening cylinder 7 and the second screening cylinder 8 are overlapped, and the sealing cover 16 is reopened, and the remaining building materials after screening by the first screening cylinder 7 and the second screening cylinder 8 can be discharged. Among them, the water pump 5 works to pump water into the water outlet plate 3, and then sprays it out from several atomizing nozzles 4. The dust generated in the screening process can be treated with water dust reduction, so as to avoid the pollution of the surrounding environment of the operation by the flying dust and reduce the harm to the health of the staff. It is highly practical and worthy of promotion.

[0026] In this embodiment: a control panel 6 is fixedly mounted on the surface of the support frame 1 , and the control panel 6 is electrically connected to the driving motor 13 and the water pump 5 through wires.

[0027] Specifically, it is a common circuit connection structure, which will not be described in detail here.

[0028] In this embodiment, the diameter of the first screening drum 7 is greater than the diameter of the second screening drum 8 .

[0029] Specifically, the second screening drum 8 is able to rotate inside the first screening drum 7 .

[0030] In this embodiment, the mesh number of the first screening cylinder 7 is greater than the mesh number of the second screening cylinder 8 .

[0031] Specifically, building materials can be screened in multiple stages.

[0032] In this embodiment, a plurality of atomizing nozzles 4 are provided, and the plurality of atomizing nozzles 4 are distributed on the surface of the water outlet plate 3 in a rectangular array.

[0033] Specifically, improve the effect and efficiency of water dust reduction and reduce pollution.

[0034] In this embodiment, the length of the water outlet plate 3 is greater than the diameter of the first screening cylinder 7 .

[0035] Specifically, the water dust reduction effect is further improved, and the problem of dust being scattered everywhere is not easily caused.

[0036] In this embodiment: the controller is an existing structure, and the control circuit can be implemented by simple programming by technicians in this field. It belongs to the common knowledge in this field. It is only used without modification, so the control method and circuit connection are not described in detail.

[0037] Working principle: When in use, open the sealing cover 16 on the first screening drum 7 and the second screening drum 8, put the crushed building materials into the second screening drum 8, and close the sealing cover 16, then start the driving motor 13, the driving motor 13 drives the third bevel gear 14 to rotate, the third bevel gear 14 rotates to drive the first bevel gear 10 and the second bevel gear 12 to rotate, the first bevel gear 10 and the second bevel gear 12 rotate to drive the first rotating column 9 and the second rotating column 11 to rotate, so that the second screening drum 8 and the first screening drum 7 rotate, so as to achieve the effect of step-by-step screening of the crushed building materials, and the rotating second screening drum 8 and the first screening drum The cylinder 7 can reduce the risk of being blocked by building materials, and the screening efficiency is high. After the screening is completed, the feed ports 15 on the first screening cylinder 7 and the second screening cylinder 8 are rotated downward, and the feed ports 15 of the first screening cylinder 7 and the second screening cylinder 8 are overlapped, and the sealing cover 16 is reopened, and the remaining building materials after screening by the first screening cylinder 7 and the second screening cylinder 8 can be discharged. Among them, the water pump 5 works to pump water into the water outlet plate 3, and then sprays it out from several atomizing nozzles 4. The dust generated in the screening process can be treated with water dust reduction, so as to avoid the pollution of the surrounding environment of the operation by the flying dust and reduce the harm to the health of the staff. It is highly practical and worthy of promotion.

[0038] It should be noted that the model specifications of the drive motor 13 and the water pump 5 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0039] The power supply and principle of the driving motor 13 and the water pump 5 are clear to those skilled in the art and will not be described in detail here.

[0040] 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 multi-stage screening device for crushing building materials, comprising a carrier frame (1), a first screening drum (7) and a second screening drum (8), characterized in that: A mounting frame (2) is fixedly mounted on the top surface of the carrier frame (1), and a water outlet plate (3) is mounted on one side surface of the mounting frame (2), and an atomizing nozzle (4) is mounted on the surface of the water outlet plate (3); a water pump (5) is mounted on the other side surface of the mounting frame (2), and the water outlet end of the water pump (5) is connected to the water outlet plate (3); a second screening cylinder (8) is arranged inside the first screening cylinder (7); a feed port (15) is provided on the surface of the first screening cylinder (7) and the second screening cylinder (8), and a sealing cover (16) is mounted on the feed port (15); second rotating columns (11) are welded on both side surfaces of the first screening cylinder (7), and a second rotating column (11) is provided through each of the two second rotating columns (11); A rotating column (9), and the ends of the two first rotating columns (9) close to each other are welded to the two side surfaces of the second screening drum (8), and the ends of the two first rotating columns (9) away from each other are rotatably connected to the support frame (1), a first bevel gear (10) is installed on one of the first rotating columns (9), and a second bevel gear (12) is fixedly installed on the surface of one of the second rotating columns (11), a driving motor (13) is installed on the inner wall of the support frame (1), and a third bevel gear (14) is installed on the output end of the driving motor (13), and the third bevel gear (14) is meshed with the first bevel gear (10) and the second bevel gear (12), and a collecting box (17) is installed on the support frame (1).

2. A multi-stage screening device for crushing building materials according to claim 1, characterized in that: A control panel (6) is fixedly mounted on the surface of the carrier (1), and the control panel (6) is electrically connected to the drive motor (13) and the water pump (5) via wires.

3. A multi-stage screening device for crushing building materials according to claim 1, characterized in that: The diameter of the first screening cylinder (7) is greater than the diameter of the second screening cylinder (8).

4. The multi-stage screening equipment for crushing building materials according to claim 1, characterized in that: The mesh number of the first screening cylinder (7) is greater than the mesh number of the second screening cylinder (8).

5. The multi-stage screening equipment for crushing building materials according to claim 1, characterized in that: A plurality of the atomizing nozzles (4) are provided, and the plurality of atomizing nozzles (4) are distributed in a rectangular array on the surface of the water outlet plate (3).

6. The multi-stage screening equipment for crushing building materials according to claim 1, characterized in that: The length of the water outlet plate (3) is greater than the diameter of the first screening cylinder (7).