Disc type drying and demagnetizing device

Abstract

The utility model discloses a disc type drying and demagnetizing device which comprises a material inlet, a drying machine main body, a drying machine large disc, a drying machine small disc, a scraping plate, a trapezoidal material receiving hopper and a demagnetizing device, when materials enter the drying machine, the materials are scraped onto the small disc by the scraping plate on the large disc in the disc type drying machine, the materials are scraped out by the scraping plate on the small disc to form products, the products pass through the trapezoidal hopper and are in contact with the magnetic bars in the demagnetizing device, the materials are dispersed and fall in a waterfall mode, and the magnetic bars continuously adsorb magnetic foreign matters in the materials. Therefore, the purpose of removing the magnetic foreign matters in the material is achieved, the content of the magnetic foreign matters in the product is greatly reduced, and the quality and safety of the product are ensured; and the demagnetizing device is simple in structure, is simple to disassemble and assemble, and can effectively reduce the investment cost and the maintenance cost. In the lithium battery industry, the safety use risk of downstream lithium batteries is reduced, the production capacity is large, the automatic control effect is achieved, and the lithium battery pack is suitable for large-scale production.

Description

Technical Field

[0001] The invention relates to the field of equipment for demagnetizing battery-grade lithium salt products, in particular to a disc-type drying demagnetizing device. Technical Background

[0002] In the new energy field of lithium batteries, the content of magnetic foreign matter in the products is required to be high in order to meet the requirements of battery-grade lithium salt products. Excessive content of magnetic foreign matter will affect the safety and reliability of lithium batteries. At present, the existing drying equipment is generally only used for drying, and the effect of removing magnetic foreign matter in the products is not obvious. It cannot meet the production needs of battery-grade lithium carbonate, lithium hydroxide, etc. in the lithium battery industry, which will cause the products to be contaminated at the end, affecting product quality and safety, thereby increasing investment costs. In addition, the demagnetization device of the existing drying device is difficult to install and clean during the drying process, and the maintenance cost is high. Therefore, in order to meet the production and safety requirements of battery-grade lithium salt products, it is necessary to be able to effectively remove magnetic foreign matter during the drying process. Utility Model Content

[0003] In order to solve the above technical problems, the utility model aims to provide a disc drying equipment to reduce the magnetic foreign matter in battery-grade lithium salt products, which can effectively remove the magnetic foreign matter in the product, ensure the quality and safety of the product, and reduce investment costs and maintenance costs.

[0004] The specific content of the utility model is: a disc type drying and demagnetizing device, comprising a material feed port, a dryer body, and a demagnetizing device;

[0005] Disc dryer body: the disc dryer body comprises a rotating shaft and a plurality of small discs and a plurality of large discs coaxial with the rotating shaft, the small discs and the outer discs are arranged alternately on the axis, wherein the large disc is arranged near the feed inlet of the dryer body; scrapers are arranged on the large disc and the small disc, and a material drop opening is arranged on the inner edge of the large disc near the rotating shaft; a plurality of trapezoidal receiving hoppers are arranged on the outer edge of the small disc; slide grooves are arranged on both sides of the trapezoidal receiving hopper;

[0006] Demagnetization device: The demagnetization device includes a magnetic rod and a spring buckle, which are arranged in the trapezoidal receiving hopper on the outer edge of the small plate. The magnetic rod is arranged on the slide grooves on both sides of the trapezoidal receiving hopper, and the magnetic rod is fixedly connected to the trapezoidal receiving hopper through the spring buckle.

[0007] Wherein, the diameter of the large disk is larger than the diameter of the small disk.

[0008] Wherein, the scraper is fixedly connected with a support rod, and the rear end of the support rod is fixedly connected to the rotating shaft, which is respectively arranged on the large and small plates.

[0009] The trapezoidal receiving hopper is an isosceles trapezoid installed around the outer edge of the small plate, and the inclination angle of the trapezoidal receiving hopper is adjusted by a fixing piece.

[0010] Wherein, two adjacent hoppers of the trapezoidal hopper are fixedly connected by a clamping sleeve.

[0011] The chute runs from the upper end to the lower end of the trapezoidal receiving hopper, and is provided with two groups, one group having two chute, which are respectively arranged on both sides of the trapezoidal receiving hopper.

[0012] Among them, the demagnetization device has multiple magnetic bars arranged in a staggered manner on the slide grooves on both sides of the trapezoidal hopper, which are fixed by spring buckles and kept parallel to each other.

[0013] There are multiple demagnetizing devices, which are evenly distributed on the trapezoidal receiving hopper.

[0014] Beneficial effects of the utility model:

[0015] Disc drying devices are widely used in the industrial field and are also suitable for the new energy field of lithium batteries. The utility model discloses a disc drying and demagnetizing device, including the appearance structure and connection relationship of the drying and demagnetizing device. It can be used in the new energy field of lithium batteries to effectively remove magnetic foreign matter in battery-grade lithium salt products to meet product use requirements. The specific effects are as follows:

[0016] By installing a demagnetization device on the disc dryer, magnetic foreign matter in battery-grade lithium salt products can be effectively removed. A trapezoidal receiving hopper is set on the small disc of the dryer, and the angle of the trapezoidal hopper is adjusted according to the position of the material discharge, which can not only make the material discharge to the large disc faster and smoother, but also ensure that all the materials in the small disc are discharged from the trapezoidal receiving hopper to the large disc; because the scraper on the small disc scrapes the material out of the outer circle, the product passes through the trapezoidal hopper and contacts the magnetic rod in the demagnetization device, and the material falls in a waterfall-like dispersion, and the magnetic rod continuously absorbs the magnetic foreign matter in the material, thereby achieving the purpose of removing the magnetic foreign matter in the material, so that the content of magnetic foreign matter in the product is greatly reduced, ensuring that the product is not contaminated at the end, meeting the production requirements of battery-grade lithium salt products, and can continuously and effectively guarantee product quality without affecting production.

[0017] The disc-type drying and demagnetizing device has a simple structure and is easy to install and replace. The manufacturing process is highly reproducible and the possibility of damage during operation is low. It can effectively reduce magnetic foreign matter in the product during the production process to ensure the quality and safety of the product. The demagnetizing device is easy to disassemble and install, and is convenient for cleaning and maintenance, which can effectively reduce investment costs and maintenance costs. In the lithium battery industry, it plays a role in reducing danger, large production capacity, and automatic control, and is suitable for large-scale production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the magnetic removal device of the utility model;

[0020] The specific reference numerals in the accompanying drawings are as follows:

[0021] Material feed port 1, disc dryer 2, demagnetizing device 3, rotating shaft 4, small disc 5, large disc 6, scraper 7, material drop port 8, trapezoidal receiving hopper 9, chute 91, magnetic rod 31, spring buckle 32. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0023] Combination Figure 1-2 The working principle of the disk-type drying and demagnetizing device of the utility model is as follows:

[0024] The utility model discloses a disc type drying and demagnetizing device, which comprises a material feed port 1, a drying machine body 2 and a demagnetizing device 3.

[0025] Disc dryer body 2: The disc dryer body 2 includes a rotating shaft 4 and a plurality of small discs 5 and a plurality of large discs 6 coaxially with the rotating shaft. The small discs 5 and the large discs 6 are alternately arranged on the axis, wherein the large disc 6 is arranged near the material feed port 1 of the dryer body 2, followed by the small discs 5 and the large discs 6. The diameter of the large disc 6 is larger than that of the small disc 5. Both the large disc 6 and the small disc 5 are provided with scrapers 7, which are fixedly connected to support rods, the rear end of which is fixedly connected to the rotating shaft 4 and respectively arranged on the large disc 6 and the small disc 5; the inner edge of the large disc 6 near the rotating shaft 4 is provided with a drop opening 8. The material falls onto the large plate 6 through the feed port 1, and the scraper 7 on the large plate 6 scrapes the material onto the small plate 5 through the drop port 8. The outer edge of the small plate 5 is provided with a plurality of isosceles trapezoidal receiving hoppers 9, which can discharge the material onto the large plate 6 below more quickly; the trapezoidal receiving hoppers 9 are installed around the outer edge of the small plate 5, and the two adjacent trapezoidal receiving hoppers 9 are fixedly connected by a sleeve to prevent the material from spilling between the hoppers. The inclination angle between the small plate 5 and the trapezoidal receiving hopper 9 can be adjusted according to the actual situation of material discharge, which can not only make the material discharge onto the large plate 6 faster and more smoothly, but also ensure that all the materials in the small plate 5 are discharged from the trapezoidal receiving hopper 9 onto the large plate 6. A chute 91 is provided inside the trapezoidal receiving hopper 9; the chute 91 runs from the upper end to the lower end of the trapezoidal receiving hopper 9, and is provided with two groups, one of which has two chutes 91, which are respectively on both sides of the trapezoidal receiving hopper 9.

[0026] Demagnetization device 3: The demagnetization device 3 includes a magnetic rod 31 and a spring clip 32. A plurality of magnetic rods 31 are arranged on the slide grooves 91 on both sides of the trapezoidal receiving hopper 9 in a staggered manner. The magnetic rods 31 are fixedly connected to the trapezoidal receiving hopper 9 by the spring clip 32, and each magnetic rod 31 is kept parallel to each other. The scraper 7 on the small plate 5 scrapes the material from the outer circle. The product passes through the trapezoidal hopper 9 and contacts with the magnetic rods 31 in the demagnetization device 3. The material falls in a waterfall-like dispersion. The magnetic rods 31 continuously absorb the magnetic foreign matter in the material, thereby achieving the purpose of removing the magnetic foreign matter in the material, and greatly reducing the content of magnetic foreign matter in the product. The above demagnetization device 3 is provided in plurality, and the plurality of demagnetization devices 3 are evenly distributed on the trapezoidal receiving hopper 9.

[0027] The above components are assembled together to form a disc-type drying and demagnetizing device. The utility model is simple to operate, can efficiently complete the drying and demagnetization of battery-grade lithium salt products, has large production capacity, low equipment investment, and is more suitable for remote automated intelligent control, which plays an immeasurable value for future chemical industry production.

[0028] In product production, battery-grade lithium salt products (which can be battery-grade lithium hydroxide and lithium carbonate) are added to the equipment, enter the dryer body 2 through the material feed port 1, and fall onto the large plate 6. The scraper 7 on the large plate 6 scrapes the material along the inner edge through the drop port 8 to the small plate 5. The material on the small plate 5 is also scraped out along the outer circle by the scraper 7 and enters the trapezoidal receiving hopper 9. If the material is not evenly discharged, the angle of the trapezoidal hopper 9 can be adjusted according to the position of the material discharge, so that the material can be discharged to the large plate 6 faster and more smoothly. The scraper 7 on the small plate 5 scrapes the material from the outer circle and the product passes through the trapezoidal hopper 9 and contacts the magnetic rod 31 in the demagnetization device 3. The material falls in a waterfall-like dispersion. The magnetic rod 31 continuously absorbs the magnetic foreign matter in the material, thereby achieving the purpose of removing the magnetic foreign matter in the material, and can also make all the materials in the small plate 5 be discharged from the trapezoidal receiving hopper 9 to the large plate 6; repeat the above process to finally obtain a product that meets the requirements of battery-grade lithium salt products. The dry demagnetization device can significantly reduce the magnetic substances in the products during the production of battery-grade lithium carbonate and battery-grade lithium hydroxide, ensuring the quality of the final products; it improves product quality, reduces magnetic foreign matter, and greatly reduces the safety risks of downstream lithium batteries), meeting customer needs.

[0029] The utility model has a simple structure and is easy to install and replace. Not only is there no blockage or attenuation during long-term use, it is maintenance-free, and can also reduce costs and improve product demagnetization efficiency. It meets the needs of battery-grade lithium carbonate and lithium hydroxide production, can effectively remove magnetic foreign matter in the product, can continuously and effectively ensure product quality, does not affect production, and is easy to clean and repair; it can effectively ensure that the product is not contaminated at the end, improve product quality, increase efficiency for the company, save costs, and effectively reduce investment costs and maintenance costs. (Production of battery-grade lithium hydroxide and lithium carbonate) The industry has played a role in reducing danger, large production capacity, meeting the industry's requirements for magnetic foreign matter, and automatic control, and is suitable for large-scale production.

Claims

1. A disc type drying and demagnetizing device, comprising a material feed port (1), a dryer body (2), and a demagnetizing device (3), characterized in that: A disc dryer body (2): the disc dryer body (2) comprises a rotating shaft (4) and a plurality of small discs (5) and a plurality of large discs (6) coaxially with the rotating shaft, wherein the small discs (5) and the large discs (6) are arranged alternately on the axis, wherein the large disc (6) is arranged near the feed inlet (1) of the dryer body (2); both the large disc (6) and the small disc (5) are provided with a scraper (7); a material drop opening (8) is provided on the inner edge of the large disc (6) near the rotating shaft (4); a plurality of trapezoidal receiving hoppers (9) are provided on the outer edge of the small disc (5); a chute (91) is provided inside the trapezoidal receiving hopper (9); Demagnetization device (3): The demagnetization device (3) comprises a magnetic rod (31) and a spring buckle (32), which are arranged in the trapezoidal receiving hopper (9) at the outer edge of the small plate (5); the magnetic rod (31) is arranged on the slide grooves (91) on both sides of the trapezoidal receiving hopper (9); and the magnetic rod (31) is fixedly connected to the trapezoidal receiving hopper (9) by the spring buckle (32).

2. The disk-type drying and demagnetizing device according to claim 1, characterized in that: The diameter of the large plate (6) is greater than the diameter of the small plate (5).

3. The disk-type drying and demagnetizing device according to claim 1, characterized in that: The scraper (7) is fixedly connected to a support rod, the rear end of which is fixedly connected to the rotating shaft (4) and is respectively arranged on the large plate (6) and the small plate (5).

4. The disk-type drying and demagnetizing device according to claim 1, characterized in that: The trapezoidal receiving hopper (9) is an isosceles trapezoid and is installed around the outer edge of the small plate (5). The inclination angle of the trapezoidal receiving hopper (9) is adjusted by a fixing member.

5. The disk type drying and demagnetizing device according to claim 4, characterized in that: Two adjacent hoppers of the trapezoidal hopper (9) are fixedly connected via a clamping sleeve.

6. The disk-type drying and demagnetizing device according to claim 1, characterized in that: The chute (91) extends from the upper end to the lower end of the trapezoidal receiving hopper (9), and is provided in two groups, one group having two chute (91) which are respectively arranged on both sides of the trapezoidal receiving hopper (9).

7. The disk-type drying and demagnetizing device according to claim 1, characterized in that: The demagnetization device (3) has a plurality of magnetic bars (31) which are arranged in a staggered manner on the slide grooves (91) on both sides of the trapezoidal receiving hopper (9) and are fixed by spring buckles (32).

8. The disc type drying and demagnetizing device according to any one of claims 1 to 7, characterized in that: A plurality of the demagnetization devices (3) are provided, and the plurality of the demagnetization devices (3) are evenly distributed on the trapezoidal receiving hopper (9).

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