Solid waste grinding multi-stage separation dynamic powder selecting device

Abstract

The utility model discloses a solid waste grinding multi-stage separation dynamic powder selecting device which comprises a magnetic attraction iron powder selecting structure and a multi-stage dynamic separation structure, and a gap is reserved between a magnetic attraction barrel A and a magnetic attraction barrel B of the magnetic attraction iron powder selecting structure for incoming materials to pass through; the multi-stage dynamic separation structure is located below the magnetic attraction iron powder separation structure, the multi-stage dynamic separation structure comprises a screening partition plate and three layers of screens, the first layer of screen is a screen AT, and a baffle T is arranged on the left side of the screen AT; the second-layer screen is a screen A, a baffle A is arranged on the left side of the screen AT, and a screen bin A is arranged on the right side of the screen A; the third-layer screen is a screen B, a baffle B is arranged on the left side of the screen B, and a screen bin B is arranged on the right side of the screen B. Solid waste ground powder is gradually separated through the magnetic iron powder attraction structure and the multi-stage dynamic separation structure, scrap iron in the solid waste ground powder is separated, the quality of materials is improved, the solid waste treatment cost is reduced, the problem of solid waste pollution is effectively solved, and the influence on the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection equipment technical field especially a device for solid waste treatment, concretely is a kind of solid waste grinding multi-stage separation dynamic powder selection device for improving material quality by magnetic material separation and multi-stage screening. BACKGROUND

[0002] With the acceleration of industrial production and urbanization, the amount of solid waste (referred to as "solid waste") is increasing, and its treatment and recycling has become an important issue of environmental protection. The traditional solid waste treatment method has problems such as low efficiency and serious resource waste, especially in the recovery of iron components and fine powder classification, which often affects the quality of the final product due to the lack of effective separation means. The powder selection device on the market can only realize single or limited level of material screening, and it is difficult to efficiently remove and accurately grade the solid waste powder containing metal impurities (such as iron filings).

[0003] In addition, some existing powder selection devices have fixed structure and insufficient flexibility, and cannot flexibly adjust the screening parameters according to different raw material characteristics, resulting in narrow application range and inability to meet diversified production needs. Moreover, these devices usually do not have good automation degree, and require a lot of manual intervention during operation, increasing labor intensity and operating cost.

[0004] In view of the above problems, it is urgent to develop a new type of solid waste grinding multi-stage separation dynamic powder selection device to overcome the defects in the prior art, improve the efficiency of solid waste treatment, ensure product quality and reduce environmental pollution.

[0005] The solid waste grinding multi-stage separation dynamic powder selection device of the utility model not only improves the efficiency and precision of solid waste treatment, reduces environmental pollution, but also reduces processing cost, which is of great significance for promoting solid waste resource utilization and promoting the development of circular economy. SUMMARY

[0006] The purpose of the utility model patent is to provide a solid waste grinding multi-stage separation dynamic powder selection device to solve the problems raised in the background art.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a solid waste grinding multi-stage separation dynamic powder selection device, comprising a magnetic iron powder selection structure and a multi-stage dynamic separation structure, and a space is left between the magnetic attraction barrels A and B of the magnetic iron powder selection structure for the passage of raw materials;

[0008] The multi-stage dynamic separation structure is located below the magnetic attraction iron powder separation structure, and comprises a screening partition plate, three layers of screen meshes, the first layer of screen mesh is a screen mesh AT, a baffle T is arranged on the left side of the screen mesh AT, the baffle T and the screen mesh AT are respectively located on the two sides of the screening partition plate; the baffle T is located in the channel TX; the second layer of screen mesh is a screen mesh A, a baffle A is arranged on the left side of the screen mesh AT, the baffle A and the screen mesh A are respectively located on the two sides of the screening partition plate, the baffle A is located in the channel TX, and a screen mesh warehouse A is arranged on the right side of the screen mesh A; the third layer of screen mesh is a screen mesh B, a baffle B is arranged on the left side of the screen mesh B, the baffle B and the screen mesh B are respectively located on the two sides of the screening partition plate, the baffle B is located in the channel TX, and a screen mesh warehouse B is arranged on the right side of the screen mesh B.

[0009] As preferred, the bottom of the screen mesh warehouse A is provided with a motor A, the motor A is used for driving the screen mesh A to move; a guide rail is arranged between the screen mesh A and the screen mesh warehouse A, the screen mesh A can move along the guide rail, the motor A is connected with the screen mesh A through a gear transmission mechanism, the screen mesh A is driven to move along the guide rail through the motor A and the gear transmission mechanism; the bottom of the screen mesh warehouse B is provided with a motor B, the motor B is used for driving the screen mesh A to move; a guide rail is arranged between the screen mesh B and the screen mesh warehouse B, the screen mesh B can move along the guide rail, the motor B is connected with the screen mesh B through a gear transmission mechanism, and the screen mesh B is driven to move along the guide rail through the motor B and the gear transmission mechanism.

[0010] As preferred, one end of the baffle T, the baffle A and the baffle B is hinged to the outer wall of the device, the lower end of the baffle T, the baffle A and the baffle B is provided with a fixed top seat, the fixed top seat is connected with the fixed base on the outer wall of the device through an extension rod, and the two ends of the extension rod are respectively hinged to the fixed top seat and the fixed base; the baffle T, the baffle A and the baffle B are driven to rotate up and down through the extension rod.

[0011] As preferred, the screening partition plate is respectively provided with through holes corresponding to the baffle T, the baffle A and the baffle B; the screening partition plate is provided with limiters for limiting the rotation angle of the baffle T, the baffle A and the baffle B.

[0012] As preferred, the inner side of the magnetic attraction barrel A and the magnetic attraction barrel B is uniformly distributed with a plurality of electromagnets, the inner side of the magnetic attraction barrel A and the magnetic attraction barrel B is fixedly provided with a power supply, and the power supply is in the shape of a circular arc; the outer side of the magnetic attraction barrel A and the magnetic attraction barrel B is provided with an anti-static rubber layer; the power supply is fixedly connected with a fixed shaft; the magnetic attraction barrel A and the magnetic attraction barrel B are respectively rotationally arranged on the two fixed shafts; the electromagnets on the inner side of the magnetic attraction barrel A and the magnetic attraction barrel B rotate synchronously when the magnetic attraction barrel A and the magnetic attraction barrel B rotate; the arc-shaped outer side of the power supply is a positive electrode of the power supply; an electrode brush is arranged on each of the electromagnets; one of the wire electrode brushes of the electromagnets is connected, and the other wire electrode brush of the electromagnets is connected with a negative electrode of the power supply; the opening positions of the power supplies are aligned with the channel T.

[0013] As preferred, the rotation directions of the magnetic attraction barrel A and the magnetic attraction barrel B are opposite.

[0014] As preferred, the upper part of the magnetic barrel A and the magnetic barrel B is provided with a feeding port.

[0015] As preferred, the bottom of the channel TX is provided with a large particle size bin.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The unique magnetic iron powder selection structure is adopted in the utility model, through the design of two magnetic barrels with opposite rotating directions and the built-in electromagnet, iron scraps can be more thoroughly removed from the solid waste powder, and the iron component recovery rate is improved. The application of the anti-static rubber layer also avoids secondary pollution and loss of iron powder in the adsorption process.

[0018] The utility model introduces a multi-stage dynamic separation structure, contains multiple adjustable screens, so that the material can be accurately graded according to the particle size, and the consistency and purity of the finished product are guaranteed. This design can adapt to different types and characteristics of solid waste raw materials, and improves the versatility and flexibility of the equipment.

[0019] The screen bin and the motor adopt a detachable structure, so that users can easily adjust the screening layer number or replace the worn parts according to production needs, reducing the maintenance cost and technical threshold. At the same time, the design of the movable baffle simplifies the operation process and enhances the automation level of the system.

[0020] The utility model not only solves many problems existing in the traditional solid waste treatment device, but also provides a more scientific and reasonable solution for solid waste resource utilization, which has important significance for promoting the development of the environmental protection industry. DRAWINGS

[0021] Figure 1 is a solid waste powder multi-stage separation dynamic powder selection device schematic diagram provided by the utility model embodiment;

[0022] Figure 2 is a magnetic barrel internal structure schematic diagram provided by the utility model embodiment;

[0023] Figure 3 is a multi-stage dynamic separation structure baffle adjustment principle schematic diagram provided by the utility model embodiment;

[0024] Figure 4 is a solid waste powder multi-stage separation dynamic powder selection device working flow chart provided by the utility model embodiment.

[0025] In the figure: 1, feed inlet; 2, anti-static rubber layer; 3, magnetic roller A; 4, magnetic roller B; 7, channel T; 8, channel TX; 9, baffle T; 10, baffle A; 11, baffle B; 12, large-particle-size bin; 13, finished product bin; 14, screen AT; 15, screen A; 16, screen B; 17, motor A; 18, motor B; 19, screen bin A; 20, screen bin B; 21, electromagnet; 22, electrode brush; 23, power supply; 24, positive electrode of power supply; 25, fixed shaft; 26, outer wall; 27, telescopic rod; 28, fixed base; 29, fixed top base; 30, screening partition plate; 31, position limiter. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Referring to Figures 1-4 The present application provides the following technical solutions: a solid waste powder multi-stage separation dynamic powder selection device, comprising a magnetic iron powder selection structure and a multi-stage dynamic separation structure, the magnetic iron powder selection structure comprising a magnetic barrel A3 and a magnetic barrel B4, a certain space is left between the magnetic barrel A3 and the magnetic barrel B4 for incoming material to enter the multi-stage dynamic separation structure below, and the multi-stage dynamic separation structure comprises a plurality of screen meshes and an adjustable screen mesh system.

[0028] The magnetic barrel A3 and the magnetic barrel B4 of the magnetic iron powder structure leave a space in the middle for incoming material to pass through, and a certain space is left between the outer sides of the magnetic barrel A3 and the magnetic barrel B4 and the outer wall 26 of the device to allow the iron powder to be transported to the channel T7, the channel T7 is connected with an iron powder collection bin, the rotation directions of the magnetic barrel A3 and the magnetic barrel B4 are opposite, the magnetic barrel A3 rotates clockwise, and the magnetic barrel B4 rotates counterclockwise 6. The magnetic barrel A3 and the magnetic barrel B4 are provided with a feed inlet 1 above.

[0029] The inner side of the magnetic suction barrel A3 and the magnetic suction barrel B4 is uniformly distributed with several electromagnets 21, and the inner side of the magnetic suction barrel A3 and the magnetic suction barrel B4 is fixedly provided with a power supply 23, which is in the shape of a circular arc. The outer side of the magnetic suction barrel A3 and the magnetic suction barrel B4 is provided with an anti-static rubber layer 2; the power supply 23 is fixedly connected with the fixed shaft 25, and the power supply 23 does not rotate; the magnetic suction barrel A3 and the magnetic suction barrel B4 are rotatably arranged on the two fixed shafts 25, and the magnetic suction barrel A3 and the magnetic suction barrel B4 can rotate around the two fixed shafts 25; the electromagnets 21 on the inner side of the magnetic suction barrel A3 and the magnetic suction barrel B4 rotate synchronously; the arc-shaped outer side of the power supply 23 is the positive electrode 24 of the power supply; the electromagnets 21 are all provided with electrode brushes 22; one of the wire electrodes of the electromagnets 21 is connected with the electrode brush 22, and the other wire electrode of the electromagnets 21 is connected with the negative electrode of the power supply 23. The connection between the electromagnets 21 and the negative electrode of the power supply can be realized through a conductive slip ring. The opening positions of the power supply 23 in the magnetic suction barrel A3 and the magnetic suction barrel B4 are aligned with the channel T7.

[0030] The electrode brush 22, the electromagnet 21 and the anti-static rubber layer 2 rotate around the fixed shaft 25, when the electrode brush 22 rotates to the area of the positive electrode 24 of the power supply 23, the electrode brush 22 contacts with the positive electrode 24 of the power supply 23, the electromagnet 21 is connected with the power supply 23, and the electromagnet 21 generates magnetic attraction. When the electrode brush 22 rotates to the opening position of the power supply 23, the electrode brush 22 is disconnected with the power supply 23, the electromagnet 21 is powered off and loses magnetism, and the iron powder adsorbed on the anti-static rubber layer 2 falls into the channel T7. The electromagnets 21 and the electrode brushes 22 are uniformly arranged in the magnetic suction barrel, and a certain gap is left between adjacent electromagnets 21 for insulation treatment, so as to avoid the magnetic interference between adjacent electromagnets 21.

[0031] The multi-stage dynamic separation structure is located below the magnetic attraction iron powder separation structure, and comprises a screening partition plate 30 and a plurality of screens. In this embodiment, the multi-stage dynamic separation structure comprises three layers of screens, the first layer of screen is a screen AT14, a baffle T9 is arranged on the left side of the screen AT14, and the baffle T9 and the screen AT14 are respectively located on the two sides of the screening partition plate 30; the baffle T9 is used for separating the large-particle-size material screened by the screen AT14, the baffle T9 is located in the channel TX8, and the bottom of the channel TX8 is provided with a large-particle-size material bin 12; the material is conveyed to the large-particle-size material bin 12 through the channel TX8; the second layer of screen is a screen A15, a baffle A10 is arranged on the left side of the screen AT14, the baffle A10 and the screen A15 are respectively located on the two sides of the screening partition plate 30, the baffle A10 is located in the channel TX8, the baffle A10 is used for separating the large-particle-size material screened by the screen A15, the large-particle-size material is conveyed to the large-particle-size material bin 12 through the channel TX8, and the right side of the screen A15 is provided with a screen bin A19; the third layer of screen is a screen B16, a baffle B11 is arranged on the left side of the screen B16, the baffle B11 and the screen B16 are respectively located on the two sides of the screening partition plate 30, the baffle B11 is located in the channel TX8, the baffle B11 is used for separating the large-particle-size material screened by the screen B16, the large-particle-size material is conveyed to the collecting bin for collection through the channel TX8, and the right side of the screen B16 is provided with a screen bin B20. The bottom of the screen bin A19 is provided with a motor A17, the motor A17 is used for driving the screen A15 to move; wherein a guide rail is arranged between the screen A15 and the screen bin A19, the screen A15 can move along the guide rail, the motor A17 is connected with the screen A15 through a gear transmission mechanism, the screen A15 is driven to move along the guide rail through the motor A17 and the gear transmission mechanism, so that the screen A15 moves into the screen bin A19 to realize the recovery of the screen A15. Similarly, the bottom of the screen bin B20 is provided with a motor B18, the motor B18 is used for driving the screen A15 to move; wherein a guide rail is arranged between the screen B16 and the screen bin B20, the screen B16 can move along the guide rail, the motor B18 is connected with the screen B16 through a gear transmission mechanism, the screen B16 is driven to move along the guide rail through the motor B18 and the gear transmission mechanism, so that the screen B16 moves into the screen bin B20 to realize the recovery of the screen B16. The screen can be recovered and placed in the screen bin through the motor, and when the screen is recovered, the corresponding baffle is lowered. The particle size and number of the screens of the multi-stage dynamic separation structure can be adjusted according to the screening requirements, and the screen bin and the motor are a detachable structure, which can be removed when the solid waste powder multi-stage separation dynamic powder separation device is used for fixed screening requirements. The screen is provided with a certain inclination angle, so that the large-particle-size material enters the left baffle and is conveyed to the collecting bin for collection.

[0032] The baffle T, the baffle A and the baffle B of the multi-stage dynamic separation structure are all movable components, one end of the baffle T, the baffle A and the baffle B is hinged to the outer wall 26 of the device, the lower end of the baffle T, the baffle A and the baffle B is provided with a fixed top seat 29, the fixed top seat 29 is connected with the fixed base 28 on the outer wall 26 of the device through the telescopic rod 27, both ends of the telescopic rod 27 are hinged to the fixed top seat 29 and the fixed base 28 respectively; the baffle T, the baffle A and the baffle B are driven to rotate up and down through the telescopic rod 27. The screening partition plate 30 is provided with through holes corresponding to the baffle T, the baffle A and the baffle B respectively. When the screen of the layer is in the working state, the baffle is pushed up by the telescopic rod 27 and is flush with the screen, the screening partition plate 30 is provided with a limiter 31 for limiting the baffle T, the baffle A and the baffle B, the limiter 31 is used for limiting the rotation angle of the baffle T, the baffle A and the baffle B, so that the baffle is flush with the screen. The baffle and the screen are separated by the screening partition plate 30, on the contrary, when the screen of the layer is not working, the baffle is rotated to the down state under the action of the telescopic rod 27, so that the large particle size material on the baffle falls down and enters the large particle size material bin 12, and finally enters the finished product bin 13.

[0033] Work flow: the incoming material enters the device from the feeding port 1, first passes through the magnetic iron powder structure to remove the iron powder in the incoming material, the two magnetic barrels of the magnetic iron powder structure are left with a gap for the incoming material to pass through, the iron powder adsorbed on the surface of the anti-static rubber layer 2 will fall into the channel T7; the incoming material then passes through the multiple screens of the multi-stage dynamic separation structure in turn, the screen and the screen bin can be increased according to the demand, the baffle is adjusted synchronously with the screen, and finally different particle size materials and finished products are obtained.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-stage separation dynamic powder separation device for solid waste grinding powder, characterized in that, The magnetic attraction iron powder structure includes a magnetic attraction barrel A (3) and a magnetic attraction barrel B (4) with a space left in the middle for the feed to pass through; The multi-stage dynamic separation structure is located below the magnetic attraction iron powder structure and includes a screen separation plate (30), three layers of screen meshes, the first layer of screen mesh being a screen mesh AT (14), the left side of the screen mesh AT (14) being provided with a baffle T (9), the baffle T (9) and the screen mesh AT (14) being located on the two sides of the screen separation plate (30) respectively, the baffle T (9) being located in a channel TX (8); the second layer of screen mesh being a screen mesh A (15), the left side of the screen mesh AT (14) being provided with a baffle A (10), the baffle A (10) and the screen mesh A (15) being located on the two sides of the screen separation plate (30) respectively, the baffle A (10) being located in the channel TX (8), the right side of the screen mesh A (15) being provided with a screen mesh warehouse A (19); the third layer of screen mesh being a screen mesh B (16), the left side of the screen mesh B (16) being provided with a baffle B (11), the baffle B (11) and the screen mesh B (16) being located on the two sides of the screen separation plate (30) respectively, the baffle B (11) being located in the channel TX (8), the right side of the screen mesh B (16) being provided with a screen mesh warehouse B (20).

2. The solid waste pulverizing multi-stage separation dynamic powder selecting device according to claim 1, characterized in that, The bottom of the screen mesh warehouse A (19) is provided with a motor A (17) for driving the screen mesh A (15) to move; a guide rail is arranged between the screen mesh A (15) and the screen mesh warehouse A (19), the screen mesh A (15) can move along the guide rail, the motor A (17) is connected with the screen mesh A (15) through a gear transmission mechanism, the screen mesh A (15) is driven to move along the guide rail by the motor A (17) and the gear transmission mechanism; the bottom of the screen mesh warehouse B (20) is provided with a motor B (18) for driving the screen mesh A (15) to move; a guide rail is arranged between the screen mesh B (16) and the screen mesh warehouse B (20), the screen mesh B (16) can move along the guide rail, the motor B (18) is connected with the screen mesh B (16) through a gear transmission mechanism, the screen mesh B (16) is driven to move along the guide rail by the motor B (18) and the gear transmission mechanism.

3. The solid waste pulverizing multi-stage separation dynamic powder selecting device according to claim 1, characterized in that, One end of the baffles T, A and B is hinged to the outer wall (26) of the device, the lower end of each of the baffles T, A and B is provided with a fixed top seat (29), the fixed top seat (29) is connected with a fixed base (28) on the outer wall (26) of the device through an extension rod (27), the two ends of the extension rod (27) are hinged to the fixed top seat (29) and the fixed base (28) respectively; the baffles T, A and B are driven to rotate up and down by the extension rod (27).

4. The solid waste pulverizing multi-stage separation dynamic powder selecting device according to claim 3, characterized in that, The screen separation plate (30) is provided with through holes corresponding to the baffles T, A and B respectively; the screen separation plate (30) is provided with limiters (31) for limiting the rotation angle of the baffles T, A and B.

5. The solid waste pulverizing multi-stage separation dynamic powder selecting device according to claim 1, characterized in that, The inner side of the magnetic suction barrel A (3) and the magnetic suction barrel B (4) is uniformly distributed with several electromagnets (21), the inner side of the magnetic suction barrel A (3) and the magnetic suction barrel B (4) is fixedly provided with a power supply (23), the power supply (23) is in the shape of a circular arc; the outer side of the magnetic suction barrel A (3) and the magnetic suction barrel B (4) is provided with an anti-static rubber layer (2); the power supply (23) is fixedly connected with a fixed shaft (25); the magnetic suction barrel A (3) and the magnetic suction barrel B (4) are rotatably arranged on the two fixed shafts (25); the electromagnets (21) on the inner side of the magnetic suction barrel A (3) and the magnetic suction barrel B (4) rotate synchronously when the magnetic suction barrel A (3) and the magnetic suction barrel B (4) rotate; the arc-shaped outer side of the power supply (23) is a positive electrode (24) of the power supply; the electromagnets (21) are all provided with electrode brushes (22); one of the wires of the electromagnets (21) is connected with the electrode brushes (22), and the other wire of the electromagnets (21) is connected with a negative electrode of the power supply (23); the opening positions of the power supply (23) are all aligned with the channel T (7).

6. The solid waste pulverizing multi-stage separation dynamic powder selecting device according to claim 1, characterized in that, The rotation directions of the magnetic suction barrel A (3) and the magnetic suction barrel B (4) are opposite.

7. The solid waste pulverizing multi-stage separation dynamic powder selecting device according to claim 1, characterized in that, The upper side of the magnetic suction barrel A (3) and the magnetic suction barrel B (4) is provided with a feeding port (1).

8. The solid waste pulverizing multi-stage separation dynamic powder selecting device according to claim 1, characterized in that, The bottom of the channel TX (8) is provided with a large-particle-size bin (12).

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