Graphite secondary purification device
By introducing steam into the raw material during the graphite purification process and purifying with the heat source of steam, the problems of high energy consumption and low graphite recovery in the prior art are solved, and efficient and environmentally friendly graphite purification effect is achieved.
Patent Information
- Application Number
- CN202421868904.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The existing graphite purification technology requires high temperature calcination and multiple acid leaching, which leads to high energy consumption. The production of soap substances in alkaline lysis reaction increases the viscosity of washing water, and graphite adheres to bubbles and is not easy to precipitate, resulting in a decrease in graphite recovery.
A graphite secondary purification device is designed. By injecting steam into the raw material and purifying with the heat source of steam, it reduces the use of chemical reagents and the generation of wastewater, and improves the purity and recovery rate of graphite.
Through the steam purification process, the purity and recovery rate of graphite are improved, the use of chemical reagents and the generation of wastewater are reduced, and the green and environmentally friendly purification effect is achieved.
Smart Images
Figure CN223002746U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of graphite production, in particular to a device for secondary purification of graphite. Background Art
[0002] The existing technology is to mix sodium hydroxide solution and graphite evenly in a certain proportion and calcine them at high temperature. In the molten state, the alkali reacts chemically with some impurities in the graphite to form soluble sodium silicate or acid-soluble sodium aluminosilicate, and the generated soluble salts are removed by washing with water.
[0003] During the purification process of the existing technology, high-temperature calcination and multiple acid leaching are required, and these steps all consume a large amount of energy, increasing the energy consumption. In the alkali hydrolysis reaction, a part of the alkali reacts with the residual flotation oils in the graphite to synthesize soap substances, increasing the viscosity of the washing water. Many graphite particles adhere to the bubbles and are not easy to precipitate, and are washed away by the water, thus reducing the recovery rate of graphite.
[0004] To solve the above problems, the utility model provides a device for secondary purification of graphite. Content of the Utility Model
[0005] Aiming at the deficiencies of the existing technology, the utility model provides a device for secondary purification of graphite to solve the technical problems in the existing technology that "high-temperature calcination and multiple acid leaching are required, and these steps all consume a large amount of energy, increasing the energy consumption. In the alkali hydrolysis reaction, a part of the alkali reacts with the residual flotation oils in the graphite to synthesize soap substances, increasing the viscosity of the washing water. Many graphite particles adhere to the bubbles and are not easy to precipitate, and are washed away by the water, thus reducing the recovery rate of graphite".
[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: it includes a bottom plate, the upper end surface of the bottom plate is fixedly connected with a bubble material barrel, the upper end surface of the bubble material barrel is hermetically connected with a cover plate, the upper end surface of the cover plate is provided with a feed pipe, the lower end surface of the cover plate is rotatably connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with a heating stirring rod, the upper end surface of the bottom plate is fixedly connected with an air pump, the air outlet end of the air pump is installed with a connecting pipe, one end of the connecting pipe penetrates through the inner wall of the bubble material barrel and is fixedly connected with a distribution plate, one end of the connecting pipe is communicated with the inside of the distribution plate, the side surface of the bubble material barrel is fixedly connected with a drain pipe, and the side surface of the bubble material barrel is fixedly connected with a discharge pipe.
[0007] As a preferred technical solution of the utility model, the upper end surface of the cover plate is fixedly connected with a servo motor, and the output end of the servo motor penetrates through the lower end surface of the cover plate and is fixedly connected with the top end of the rotating shaft.
[0008] As a preferred technical solution of the present utility model, fixed blocks are fixedly connected to both the cover plate and the side surface of the foam material barrel, and threaded rods are threadedly connected inside the fixed blocks.
[0009] As a preferred technical solution of the present utility model, the bottom end of the feed pipe is communicated with the inside of the foam material barrel, and a bolt is threadedly connected jointly inside the feed pipe and the cover plate.
[0010] As a preferred technical solution of the present utility model, the left end of the drain pipe is communicated with the inside of the foam material barrel, and the left end of the discharge pipe is communicated with the inside of the foam material barrel.
[0011] As a preferred technical solution of the present utility model, sealing caps are threadedly connected to both the surface of the drain pipe and the surface of the discharge pipe.
[0012] The present utility model provides a graphite secondary purification device, which has the following beneficial effects:
[0013] By introducing steam into the raw materials, the purity and recovery rate of graphite are improved, and the use of chemical reagents and the generation of waste water are reduced during the purification process, which is green and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram proposed by the present utility model;
[0015] Figure 2 is a schematic structural diagram with the cover plate of the present utility model opened;
[0016] Figure 3 is a schematic structural diagram of the distribution plate proposed by the present utility model.
[0017] In the figure: 1 bottom plate, 2 foam material barrel, 3 cover plate, 4 servo motor, 5 feed pipe, 6 fixed block, 7 threaded rod, 8 drain pipe, 9 discharge pipe, 10 air pump, 11 rotating shaft, 12 heating and stirring rod, 13 connecting pipe, 14 distribution plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0019] Accordingly, one feature pointed out in this specification is used to illustrate one feature of an embodiment of the present utility model, rather than implying that each embodiment of the present utility model must have the illustrated feature. In addition, it should be noted that this specification describes many features. Although some features can be combined to show possible system designs, these features can also be used in other combinations not explicitly described. Accordingly, unless otherwise stated, the illustrated combinations are not intended to be limiting.
[0020] The principle and structure of the present utility model will be described in detail below with reference to the accompanying drawings and embodiments:
[0021] Refer to Figures 1-3 , a graphite secondary purification device, including a bottom plate 1, the upper end surface of the bottom plate 1 is fixedly connected with a foaming barrel 2, the upper end surface of the foaming barrel 2 is hermetically connected with a cover plate 3, the upper end surface of the cover plate 3 is provided with a feed pipe 5, the lower end surface of the cover plate 3 is rotatably connected with a rotating shaft 11, the surface of the rotating shaft 11 is fixedly connected with a heating stirring rod 12, the upper end surface of the bottom plate 1 is fixedly connected with an air pump 10, the air outlet end of the air pump 10 is installed with a connecting pipe 13, one end of the connecting pipe 13 penetrates through the inner wall of the foaming barrel 2 and is fixedly connected with a distribution plate 14, one end of the connecting pipe 13 is communicated with the inside of the distribution plate 14, the side surface of the foaming barrel 2 is fixedly connected with a drain pipe 8, and the side surface of the foaming barrel 2 is fixedly connected with a discharge pipe 9.
[0022] By setting the distribution plate 14, the distribution plate 14 can evenly disperse the steam into the raw materials in the foaming barrel 2. The steam, as a heat source, has the advantages of cleanliness and environmental protection, reduces the use of chemical reagents and the generation of waste water, uses a filter press to filter the waste water, improves the purity of graphite, and reduces the loss rate.
[0023] Furthermore, the upper end surface of the cover plate 3 is fixedly connected with a servo motor 4, and the output end of the servo motor 4 penetrates through the lower end surface of the cover plate 3 and is fixedly connected with the top end of the rotating shaft 11.
[0024] By setting the servo motor 4, the servo motor 4 can drive the heating stirring rod 12 to stir the raw materials through the rotating shaft 11.
[0025] Furthermore, both the side surfaces of the cover plate 3 and the foaming barrel 2 are fixedly connected with fixing blocks 6, and threaded rods 7 are threadedly connected inside the fixing blocks 6.
[0026] By setting the threaded rods 7, the threaded rods 7 can improve the sealing performance when the cover plate 3 and the foaming barrel 2 are connected.
[0027] Furthermore, the bottom end of the feed pipe 5 is communicated with the inside of the foaming barrel 2, and a bolt is commonly threadedly connected inside the feed pipe 5 and the cover plate 3.
[0028] Furthermore, the left end of the drain pipe 8 is communicated with the inside of the foaming barrel 2, and the left end of the discharge pipe 9 is communicated with the inside of the foaming barrel 2.
[0029] Furthermore, sealing caps are threadedly connected to the surfaces of both the liquid discharge pipe 8 and the discharge pipe 9.
[0030] By providing the sealing caps, the staff can open the sealing caps to discharge the raw materials in the foaming material barrel 2.
[0031] The working principle of the present utility model is as follows: First, the initially purified graphite and 30% concentrated hydrochloric acid can be added into the foaming material barrel 2 through the feed pipe 5. Then, the staff starts the servo motor 4, and the servo motor 4 can drive the heating and stirring rod 12 through the rotating shaft 11 to heat and stir the raw materials in the foaming material barrel 2. At the same time, the staff starts the air pump 10 to convey the steam through the connecting pipe 13 into the distribution plate 14, and then evenly disperse it into the raw materials through the distribution plate 14, so that the raw materials and the steam are fully mixed to remove the acidity and impurities in the graphite. After the reaction ends and the raw materials are cooled and precipitated, the staff can open the sealing cap on the liquid discharge pipe 8 to discharge the liquid raw materials from the foaming material barrel 2. When all the raw materials are discharged, the sealing cap on the discharge pipe 9 is opened to discharge the precipitated solid raw materials from the discharge pipe 9;
[0032] Compared with the prior art, the purification process reduces the use of chemical reagents and the generation of waste water, which is environmentally friendly.
[0033] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims
1. A graphite secondary purification device, comprising a bottom plate (1), characterized in that: The upper end surface of the bottom plate (1) is fixedly connected to a foam material barrel (2), the upper end surface of the foam material barrel (2) is sealingly connected to a cover plate (3), the upper end surface of the cover plate (3) is provided with a feed pipe (5), the lower end surface of the cover plate (3) is rotatably connected to a rotating shaft (11), the surface of the rotating shaft (11) is fixedly connected to a heating stirring rod (12), the upper end surface of the bottom plate (1) is fixedly connected to an air pump (10), the air outlet end of the air pump (10) is provided with a connecting pipe (13), one end of the connecting pipe (13) passes through the inner wall of the foam material barrel (2) and is fixedly connected to a distribution plate (14), one end of the connecting pipe (13) is connected to the inside of the distribution plate (14), the side of the foam material barrel (2) is fixedly connected to a liquid discharge pipe (8), and the side of the foam material barrel (2) is fixedly connected to a discharge pipe (9).
2. A graphite secondary purification device according to claim 1, characterized in that: The upper end surface of the cover plate (3) is fixedly connected to a servo motor (4), and the output end of the servo motor (4) passes through the lower end surface of the cover plate (3) and is fixedly connected to the top end of the rotating shaft (11).
3. A graphite secondary purification device according to claim 1, characterized in that: The cover plate (3) and the side surface of the foam material barrel (2) are both fixedly connected with a fixing block (6), and the fixing block (6) is internally threadedly connected with a threaded rod (7).
4. A graphite secondary purification device according to claim 1, characterized in that: The bottom end of the feed pipe (5) is connected to the inside of the foaming barrel (2), and the feed pipe (5) and the cover plate (3) are threadedly connected with bolts.
5. A graphite secondary purification device according to claim 1, characterized in that: The left end of the liquid discharge pipe (8) is connected to the inside of the foaming material barrel (2), and the left end of the material discharge pipe (9) is connected to the inside of the foaming material barrel (2).
6. A graphite secondary purification device according to claim 1, characterized in that: The surface of the liquid discharge pipe (8) and the surface of the material discharge pipe (9) are both threadedly connected with sealing covers.