Permanent magnet self-unloading iron remover for gypsum raw material

By designing a permanent magnet self-unloading iron separator, the permanent magnet is used to attract and rotate iron particles to detach them. Combined with a scraping and dispersing mechanism, the problem of periodic cleaning caused by the fixed installation of electromagnets in existing technologies is solved. This achieves efficient separation of iron particles and metal powder in gypsum raw materials and improves production efficiency.

CN224358597UActive Publication Date: 2026-06-16SHAANXI YUNENG QINGQINGYUAN ENVIRONMENTAL PROTECTION MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAANXI YUNENG QINGQINGYUAN ENVIRONMENTAL PROTECTION MATERIALS CO LTD
Filing Date
2025-07-08
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

In existing gypsum production equipment, electromagnets are fixedly installed, requiring periodic power-off cleaning, and cannot completely separate metal powder, resulting in low production efficiency.

Method used

The permanent magnet self-unloading iron separator uses permanent magnets to attract iron particles and remove them by rotating the drive mechanism. Combined with scraping and dispersing mechanisms, it achieves automatic cleaning and thorough separation, avoiding downtime.

Benefits of technology

It achieves efficient and automatic separation of iron particles and metal powder, improving production efficiency and convenience, and reducing the frequency of downtime for cleaning.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224358597U_ABST
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Abstract

The utility model provides a kind of permanent magnet self-unloading type iron remover for gypsum raw materials, including box, multiple groups of mutually coordinated iron removal assembly, feeding hopper and discharging assembly, the iron removal assembly includes the first mounting bracket fixedly connected on box, the inside of the first mounting bracket is rotatably installed with iron removal cylinder.The utility model when using first conveying belt will be powder gypsum raw materials to the surface of iron removal cylinder, iron particles in gypsum raw materials can be adsorbed on the surface of iron removal cylinder by permanent magnet inside iron removal cylinder, with drive mechanism continues to drive iron removal cylinder to rotate to the outside of box, iron particles on iron removal cylinder can gradually away from permanent magnet and thus automatically fall off from the surface of iron removal cylinder to the inside of collecting hopper, simultaneously, scraping mechanism can also scrape some debris remaining on iron removal cylinder, without stopping to clean the iron particles adsorbed, it is more efficient and convenient to use.
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Description

Technical Field

[0001] This utility model relates to the technical field of gypsum production equipment, and more specifically, to a permanent magnet self-unloading iron remover for gypsum raw materials. Background Technology

[0002] The main raw material for producing gypsum is natural dihydrate gypsum, also known as soft gypsum or raw gypsum. After mining, the natural dihydrate gypsum ore needs to be crushed first, and then purified by washing, screening, magnetic separation and other methods. After purification, it is calcined to produce gypsum.

[0003] A search revealed Chinese patent application number 202120313225.8, which discloses an iron removal device for a gypsum calcining furnace. The device includes a main body with a feeding conveyor belt above and a discharging conveyor belt below. The main body contains an upper conveyor belt and a lower conveyor belt, as well as upper and lower electromagnets. The upper electromagnet is located near the end of the upper conveyor belt, and the lower electromagnet is located near the end of the lower conveyor belt. Electromagnetic plates are mounted on the rollers of the discharging conveyor belt. Each roller has an upper and lower electromagnet plate extending along its middle section, forming a continuous electromagnetic zone. A non-magnetic zone is formed between the two rollers of the discharging conveyor belt. This invention has a simple structure, is easy to operate, effectively removes residual iron particles from the calcined material, effectively extends the furnace shutdown cleaning cycle, ensures stable production, and reduces energy waste. However, the aforementioned patents have the following shortcomings: the upper and lower electromagnets are fixedly installed inside the device body, requiring periodic power-off and shutdown for cleaning to remove the adsorbed iron particles. Furthermore, the raw materials cannot be dispersed during use, resulting in incomplete separation of metal powder mixed within the materials. Therefore, this utility model proposes a new solution. Utility Model Content

[0004] The purpose of this invention is to solve the problem that in the above-mentioned device, the upper and lower electromagnets are fixedly installed inside the device body, requiring periodic power-off and machine shutdown for cleaning to remove the adsorbed iron particles, and the raw materials cannot be dispersed during use, which leads to the incomplete separation of metal powder mixed in the raw materials. Therefore, a permanent magnet self-unloading iron remover for gypsum raw materials is proposed.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A permanent magnet self-unloading iron separator is used for gypsum raw materials to improve the above-mentioned problems.

[0007] The present invention is as follows:

[0008] The device includes a housing, multiple sets of cooperating iron removal components, a feeding hopper, and a discharging component. Each iron removal component includes a first mounting bracket fixedly connected to the housing. An iron removal cylinder is rotatably mounted inside the first mounting bracket. A permanent magnet is mounted inside the iron removal cylinder on the inner side of the first mounting bracket. A drive mechanism for rotating the iron removal cylinder is located below the first mounting bracket. A first opening cooperating with the iron removal cylinder is opened on the side wall of the housing. A collection hopper cooperating with the iron removal cylinder is mounted on one side of the first mounting bracket. A scraping mechanism is fixedly mounted on the first mounting bracket above the collection hopper. A first conveyor belt cooperating with the iron removal cylinder is installed inside the housing. A second mounting bracket mounted on the inner wall of the housing is located above the first conveyor belt. A dispersing mechanism is mounted on the second mounting bracket.

[0009] As a preferred technical solution of this utility model, the discharge assembly includes a second conveyor belt installed on the box body, and the side wall of the box body has a second opening that cooperates with the second conveyor belt.

[0010] As a preferred technical solution of this utility model, a discharge pipe connected to the interior of the collection hopper is installed at the bottom center, and a valve is installed in the middle of the discharge pipe.

[0011] As a preferred technical solution of this utility model, the driving mechanism includes a first motor installed on the side wall of the box, and the output shaft of the first motor is equipped with a rubber wheel that abuts against the outer wall of the iron removal cylinder.

[0012] As a preferred technical solution of this utility model, the scraping mechanism includes two symmetrically arranged third mounting frames, which are fixedly connected to the first mounting frame. Scrapers that cooperate with the iron removal cylinder are installed obliquely on the inner sides of the two third mounting frames.

[0013] As a preferred technical solution of this utility model, the dispersing mechanism includes a second motor fixedly installed on the second mounting frame, a crossbar installed on the output shaft of the second motor, and a plurality of evenly distributed dispersing rods fixedly connected to the bottom of the crossbar.

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

[0015] In the solution of this utility model:

[0016] 1. During use, the first conveyor belt transports powdered gypsum raw material to the surface of the iron removal cylinder. Iron particles in the gypsum raw material are attracted to the surface of the iron removal cylinder by the permanent magnet inside the cylinder. As the drive mechanism continues to drive the iron removal cylinder to rotate outward from the box, the iron particles on the iron removal cylinder will gradually move away from the permanent magnet and automatically fall off the surface of the iron removal cylinder into the inside of the collection hopper. At the same time, the scraping mechanism can also scrape off some debris remaining on the iron removal cylinder. There is no need to stop the machine to clean the adsorbed iron particles, making it more efficient and convenient to use.

[0017] 2. With the setting of the second mounting frame and the dispersing mechanism, the dispersing mechanism can agitate and disperse the gypsum raw material conveyed on the first conveyor belt during use, and then remove iron through the iron removal component. Through multiple first conveyor belts and multiple dispersing mechanisms, the metal powder mixed in the raw material can be separated more thoroughly. Attached Figure Description

[0018] Figure 1 A schematic diagram of the overall structure of the permanent magnet self-unloading iron separator for gypsum raw materials provided by this utility model;

[0019] Figure 2 A schematic diagram of the internal structure of the permanent magnet self-unloading iron separator for gypsum raw materials provided by this utility model;

[0020] Figure 3 A schematic diagram of the housing structure of the permanent magnet self-unloading iron separator for gypsum raw materials provided by this utility model;

[0021] Figure 4 A schematic diagram of the crossbar structure of the permanent magnet self-unloading iron separator for gypsum raw materials provided by this utility model;

[0022] Figure 5 The present invention provides a permanent magnet self-unloading iron separator for gypsum raw materials. Figure 2 Enlarged view of the structure at point A.

[0023] The image shows:

[0024] 1. Box body; 2. Iron removal cylinder; 3. Collection hopper; 4. Feeding hopper; 5. First opening; 6. First conveyor belt; 7. First mounting frame; 8. Second mounting frame; 9. Second conveyor belt; 10. Drive mechanism; 11. Permanent magnet; 12. Discharge pipe; 13. Valve; 14. Dispersing mechanism; 15. Scraping mechanism; 16. Second opening; 101. First motor; 102. Rubber wheel; 141. Second motor; 142. Crossbar; 143. Dispersing rod; 151. Third mounting frame; 152. Scraper. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0026] like Figures 1-5 As shown, this embodiment proposes a permanent magnet self-unloading iron separator for gypsum raw materials, including a housing 1, multiple sets of mutually cooperating iron removal components, a feeding hopper 4, and a discharging component. The iron removal components include a first mounting frame 7 fixedly connected to the housing 1, an iron removal cylinder 2 rotatably mounted inside the first mounting frame 7, a permanent magnet 11 located inside the iron removal cylinder 2 mounted inside the first mounting frame 7, a drive mechanism 10 for driving the iron removal cylinder 2 to rotate located below the first mounting frame 7, a first opening 5 cooperating with the iron removal cylinder 2 on the side wall of the housing 1, a collection hopper 3 cooperating with the iron removal cylinder 2 mounted on one side of the first mounting frame 7, a scraping mechanism 15 fixedly mounted above the collection hopper 3 on the first mounting frame 7, and a first conveyor belt 6 cooperating with the iron removal cylinder 2 installed inside the housing 1. During use, the first conveyor belt 6 transports powdered gypsum raw materials to the surface of the iron removal cylinder 2, and the iron particles in the gypsum raw materials are removed by the iron removal cylinder. The permanent magnet 11 on the inner side of the iron removal cylinder 2 is adsorbed onto the surface of the iron removal cylinder 2. As the drive mechanism 10 continuously drives the iron removal cylinder 2 to rotate outward from the box 1, the iron particles on the iron removal cylinder 2 will gradually move away from the permanent magnet 11 and automatically fall off the surface of the iron removal cylinder 2 into the inside of the collection hopper 3. At the same time, the scraping mechanism 15 can also scrape off some debris remaining on the iron removal cylinder 2. There is no need to stop the machine to clean the adsorbed iron particles, making it more efficient and convenient to use. A second mounting frame 8 is installed on the inner wall of the box 1 above the first conveyor belt 6. A dispersing mechanism 14 is installed on the second mounting frame 8. With the setting of the second mounting frame 8 and the dispersing mechanism 14, the dispersing mechanism 14 can stir and disperse the gypsum raw material conveyed on the first conveyor belt 6 during use, and then remove iron through the iron removal component. Through multiple first conveyor belts 6 and multiple dispersing mechanisms 14, the metal powder mixed in the raw material can be separated more thoroughly.

[0027] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, the discharge assembly further includes a second conveyor belt 9 installed on the housing 1, and a second opening 16 that cooperates with the second conveyor belt 9 is provided on the side wall of the housing 1. It should be noted that the arrangement of the second conveyor belt 9 and the second opening 16 facilitates the conveying of the iron-removed gypsum raw material out of the interior of the housing 1.

[0028] like Figure 1 and Figure 2As shown, in a preferred embodiment, based on the above method, a discharge pipe 12 communicating with the interior is further installed at the bottom center of the collecting hopper 3, and a valve 13 is installed in the middle of the discharge pipe 12. It should be noted that the discharge pipe 12 and the valve 13 facilitate the discharge of iron particles from the inside of the collecting hopper 3.

[0029] like Figure 2 and Figure 3 As shown, in a preferred embodiment, based on the above method, the drive mechanism 10 further includes a first motor 101 mounted on the side wall of the housing 1, and a rubber wheel 102 abutting against the outer wall of the iron removal cylinder 2 is mounted on the output shaft of the first motor 101. It should be noted that during use, the first motor 101 can drive the rubber wheel 102 to rotate, thereby driving the iron removal cylinder 2 to rotate through the friction between the rubber wheel 102 and the iron removal cylinder 2.

[0030] like Figure 1 , Figure 2 and Figure 5 As shown, in a preferred embodiment, based on the above method, the scraping mechanism 15 further includes two symmetrically arranged third mounting brackets 151, which are fixedly connected to the first mounting bracket 7. Scrapers 152 that cooperate with the iron removal cylinder 2 are obliquely mounted on the inner sides of the two third mounting brackets 151. It should be noted that the arrangement of the third mounting brackets 151 facilitates the installation of the scrapers 152 during use, and the scrapers 152 can remove small iron filings from the surface of the iron removal cylinder 2.

[0031] like Figure 2 and Figure 4 As shown, in a preferred embodiment, based on the above method, the dispersing mechanism 14 further includes a second motor 141 fixedly mounted on the second mounting bracket 8. A crossbar 142 is mounted on the output shaft of the second motor 141, and a plurality of evenly distributed dispersing rods 143 are fixedly connected to the bottom of the crossbar 142. It should be noted that, during use, starting the second motor 141 can drive the crossbar 142 and the plurality of dispersing rods 143 to rotate, thereby agitating and dispersing the gypsum raw material on the first conveyor belt 6.

[0032] Specifically, the working principle of this permanent magnet self-unloading iron separator for gypsum raw materials is as follows: During iron removal, the raw material is first poured into the highest conveyor belt 6 inside the housing 1 via the feeding hopper 4. The first conveyor belt 6 then transports the powdered gypsum raw material to the surface of the iron removal cylinder 2. Iron particles in the gypsum raw material are attracted to the surface of the iron removal cylinder 2 by the permanent magnet 11 inside the cylinder 2. As the drive mechanism 10 continuously drives the iron removal cylinder 2 to rotate outward from the housing 1, the iron particles on the cylinder 2 gradually move away from the permanent magnet 11 and automatically fall off the surface of the cylinder 2. Inside the collection bucket 3, the scraping mechanism 15 can also scrape off some debris remaining on the iron removal cylinder 2. During use, the dispersing mechanism 14 can stir and disperse the gypsum raw material conveyed on the first conveyor belt 6, and then remove iron through the iron removal component. Through multiple rounds of dispersion by multiple first conveyor belts 6 and multiple dispersing mechanisms 14, the metal powder mixed in the raw material can be separated more thoroughly. After iron removal by the bottom iron removal cylinder 2, the gypsum raw material will fall onto the surface of the second conveyor belt 9, and then be conveyed out of the interior of the box 1 through the second conveyor belt 9.

[0033] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the invention, are covered within the scope of the claims of the present utility model.

Claims

1. A permanent magnet self-unloading iron separator for gypsum raw materials, comprising a housing (1), multiple sets of mutually cooperating iron removal components, a feeding hopper (4), and a discharging component, characterized in that, The iron removal assembly includes a first mounting bracket (7) fixedly connected to the housing (1), an iron removal cylinder (2) rotatably mounted on the inner side of the first mounting bracket (7), a permanent magnet (11) located inside the iron removal cylinder (2) mounted on the inner side of the first mounting bracket (7), a drive mechanism (10) for driving the iron removal cylinder (2) to rotate is provided below the first mounting bracket (7), a first opening (5) that cooperates with the iron removal cylinder (2) is opened on the side wall of the housing (1), a collection hopper (3) that cooperates with the iron removal cylinder (2) is installed on one side of the first mounting bracket (7), a scraping mechanism (15) located above the collection hopper (3) is fixedly mounted on the first mounting bracket (7), a first conveyor belt (6) that cooperates with the iron removal cylinder (2) is installed inside the housing (1), a second mounting bracket (8) mounted on the inner wall of the housing (1) is provided above the first conveyor belt (6), and a dispersing mechanism (14) is mounted on the second mounting bracket (8).

2. The permanent magnet self-unloading iron separator for gypsum raw materials according to claim 1, characterized in that, The discharge assembly includes a second conveyor belt (9) installed on the housing (1), and the side wall of the housing (1) has a second opening (16) that cooperates with the second conveyor belt (9).

3. The permanent magnet self-unloading iron separator for gypsum raw materials according to claim 1, characterized in that, The bottom center of the collection hopper (3) is equipped with a discharge pipe (12) that communicates with its interior, and a valve (13) is installed in the middle of the discharge pipe (12).

4. The permanent magnet self-unloading iron separator for gypsum raw materials according to claim 1, characterized in that, The drive mechanism (10) includes a first motor (101) mounted on the side wall of the housing (1), and the output shaft of the first motor (101) is fitted with a rubber wheel (102) that abuts against the outer wall of the iron removal cylinder (2).

5. A permanent magnet self-unloading iron separator for gypsum raw materials according to claim 1, characterized in that, The scraping mechanism (15) includes two symmetrically arranged third mounting brackets (151), which are fixedly connected to the first mounting bracket (7). The inner sides of the two third mounting brackets (151) are inclinedly equipped with scrapers (152) that cooperate with the iron removal cylinder (2).

6. A permanent magnet self-unloading iron separator for gypsum raw materials according to claim 1, characterized in that, The dispersing mechanism (14) includes a second motor (141) fixedly mounted on the second mounting frame (8). A crossbar (142) is mounted on the output shaft of the second motor (141). A plurality of evenly distributed dispersing rods (143) are fixedly connected to the bottom of the crossbar (142).