Graphite crucible device with gas diversion function
By setting a separable graphite gas guide plate and gas guide hole in the graphite crucible device, the powder spray phenomenon caused by the simple structure of the traditional graphite crucible and the difficulty of layered sintering are solved, and gas flow guide and exhaust gas purification are realized. Improves the efficiency of heat treatment and environmental protection effect.
Patent Information
- Application Number
- CN202421231555.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Traditional graphite crucibles have simple structures, are prone to powder spraying, and cannot achieve layered sintering of two or more substances.
Design a graphite crucible device with gas flow guiding effect. By setting two separate graphite gas guide plates between the bottom plate and the top plate of the graphite body, the heat treatment zone one and the heat treatment zone two are separated, and on the guide plate Gas flow guide holes are provided to achieve gas flow guide and exhaust gas absorption.
It effectively avoids the occurrence of powder spraying, realizes layered heat treatment and exhaust gas purification, reduces the possibility of exhaust gas leakage, and avoids environmental pollution and health threats.
Smart Images
Figure CN222460221U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of graphite crucibles, in particular to a graphite crucible device with a gas guiding function. Background Art
[0002] Graphite crucible, also known as copper melting bag, copper melting, etc., its main raw material is crystalline natural graphite, processed with plastic refractory clay or carbon as a binder, so the graphite crucible has good thermal conductivity and high temperature resistance. During high temperature use, the thermal expansion coefficient is small, it has a certain strain resistance to rapid cooling and rapid heating, and has strong corrosion resistance to acidic and alkaline solutions. It has excellent chemical stability and does not participate in any chemical reaction during the smelting process, ensuring the purity of the smelted material. In addition, the inner wall of the graphite crucible is smooth, and the molten metal liquid is not easy to leak and adhere to the inner wall of the crucible, so that the metal liquid has good fluidity and castability, and is suitable for casting and molding in various molds. Due to the above excellent characteristics of graphite crucible, it is widely used in metal smelting, negative electrode material and semiconductor material production processes. Among them, the smelted metals include non-ferrous metals such as copper, brass, gold, silver, zinc and lead and their alloys.
[0003] The traditional graphite crucible has a simple structure and is prone to powder spraying during metal smelting, especially when using its pyrolysis powder. In addition, the traditional graphite crucible has a simple structure and cannot achieve layered sintering of two or more substances.
[0004] Therefore, it is necessary to improve the prior art. Utility Model Content
[0005] The traditional graphite crucible has a simple structure. When metal is smelted, especially when its pyrolysis powder is used, powder spraying is likely to occur. In addition, the traditional graphite crucible has a simple structure and cannot achieve layered sintering of two or more substances. Therefore, the utility model provides a graphite crucible device with a gas diversion function to solve the above problems.
[0006] The utility model provides a graphite crucible device with a gas diversion function, which comprises a graphite body bottom plate, a graphite body main body and a graphite body top plate, the graphite body bottom plate is connected with the graphite body main body and the graphite body top plate to form a sealed graphite body space with a detachable top, two separable graphite gas diversion plates are arranged between the graphite body bottom plate and the graphite body top plate, the graphite gas diversion plates divide the sealed graphite body space into a first heat treatment zone and a second heat treatment zone, the graphite gas diversion plates comprise a first diversion plate close to the first heat treatment zone and a second diversion plate close to the second heat treatment zone, the first diversion plate is provided with a first gas diversion hole close to the graphite body top plate, and the second diversion plate is provided with a second gas diversion hole close to the graphite body bottom plate.
[0007] In one implementation, a third gas guide hole is provided on the graphite body located in the second heat treatment zone, and the third gas guide hole is provided at one end close to the top plate of the graphite body.
[0008] In one implementation, the material of the first guide plate and the second guide plate is the same as the material of the graphite plate body.
[0009] In one implementation, a sandwich space is provided between the first guide plate and the second guide plate, and the first guide plate and the second guide plate are movable in the sandwich space.
[0010] In one implementation, the graphite body bottom plate and the graphite body top plate in the interlayer space are graphite plates arranged in parallel.
[0011] In one implementation, the graphite body is circular, square or polygonal.
[0012] In one implementation, a fourth gas guide hole is provided on the top plate of the graphite body.
[0013] In one implementation, the first guide plate and the second guide plate are arranged through the graphite body top plate, and the first guide plate and the second guide plate include a guide plate body arranged in the sealed graphite body space and a guide portion arranged on the other side of the graphite body top plate, and the guide portion is used to move the graphite gas guide plate; the graphite body top plate is provided with a sliding channel for the first guide plate and the second guide plate to slide.
[0014] Beneficial effects: The utility model provides a graphite crucible device with a gas diversion function. By arranging two detachable graphite gas diversion plates between the graphite body bottom plate and the graphite body top plate, the graphite crucible device has a gas diversion function, which can avoid the occurrence of powder spraying during heat treatment of powder; the graphite gas diversion plates are used to separate the heat treatment zone 1 and the heat treatment zone 2, so that layered heat treatment can be achieved, that is, different substances can be heat treated at the same time to avoid pollution; by arranging the first gas diversion hole and the second gas diversion hole, waste gas absorbing drugs can be placed in the heat treatment zone 2, and the waste gas generated can be absorbed under the action of the gas diversion holes, reducing the possibility of tail gas leakage, avoiding environmental pollution and health threats, and providing a graphite crucible device that can perform layered sintering and purify waste gas. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic structural diagram of a graphite crucible device with a gas guiding function provided in the first embodiment of the utility model;
[0016] Figure 2A schematic structural diagram of a graphite crucible device with a gas guiding function provided in the second embodiment of the utility model.
[0017] Among them, the symbols in the figure indicate:
[0018] 11. Graphite body bottom plate; 12. Graphite body main body; 121. Third gas guide hole; 13. Graphite body top plate; 14. Heat treatment zone 1; 15. Heat treatment zone 2; 16. First guide plate; 161. First gas guide hole; 17. Second guide plate; 171. Second gas guide hole; 18. Interlayer space; 191. Guide plate main body; 192. Guide part.
[0019] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0020] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0021] Those skilled in the art will appreciate that, unless expressly stated, the singular forms "one", "said", "above", and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present utility model refers to the presence of the features, integers, steps, operations, elements, units, modules, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and / or groups thereof. It should be understood that when we refer to an element as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element, or there may be intermediate elements. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein includes all or any unit and all combinations of one or more associated listed items.
[0022] Those skilled in the art will understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as the general understanding of ordinary technicians in the field to which the utility model belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless specifically defined as here.
[0023] Reference Figure 1 , Figure 1A schematic diagram of the structure of a graphite crucible device with a gas diversion function provided for the first embodiment of the utility model. The utility model provides a graphite crucible device with a gas diversion function, which includes a graphite body bottom plate 11, a graphite body main body 12 and a graphite body top plate 13, the graphite body bottom plate 11 is connected with the graphite body main body 12 and the graphite body top plate 13 to form a sealed graphite body space with a detachable top, two separable graphite gas guide plates are arranged between the graphite body bottom plate 11 and the graphite body top plate 13, the graphite gas guide plates divide the sealed graphite body space into a first heat treatment zone 14 and a second heat treatment zone 15, the graphite gas guide plates include a first guide plate 16 close to the first heat treatment zone 14 and a second guide plate 17 close to the second heat treatment zone 15, the first guide plate 16 is provided with a first gas guide hole 161 close to the graphite body top plate, and the second guide plate 17 is provided with a second gas guide hole 171 close to the graphite body bottom plate 11.
[0024] Specifically, the heat treatment zone 14 and the heat treatment zone 2 15 can perform zoned heat treatment of different materials, and can also perform powder heat treatment in the heat treatment zone 14. In the heat treatment zone 2 15, medicines that can absorb waste gas, such as adsorbents, oxidants, catalysts and alkaline substances, are placed. The first gas guide hole 161 and the second gas guide hole 171 absorb the waste gas generated. For example, alkaline substances CaO and Ca(OH)2 can absorb acidic gases, which greatly reduces the possibility of exhaust gas leakage and avoids environmental pollution and health threats. The first gas guide hole 161 and the second gas guide hole 171 can change the flow direction and speed of the gas generated by pyrolysis in the crucible, and can also avoid the occurrence of powder spraying when heat treating finer powders.
[0025] Further, a third gas guide hole 121 is provided on the graphite body 12 located in the second heat treatment zone 15, and the third gas guide hole 121 is provided at one end close to the graphite body top plate 13. The third gas guide hole 121 works together with the first gas guide hole 161 and the second gas guide hole 171 to make the temperature inside the crucible and the environment reach a relatively stable state, which can prevent the sintering powder from spraying. Preferably, the material of the first guide plate 16 and the second guide plate 17 is the same as that of the graphite plate body 12.
[0026] In this embodiment, an interlayer space 18 is provided between the first guide plate 16 and the second guide plate 17, and the first guide plate 161 and the second guide plate 171 are movable in the interlayer space 18. The first guide plate 16 and the second guide plate 17 can not only achieve the purpose of zoned heat treatment of the materials in the graphite crucible, but also make the graphite crucible easier to clean. The interlayer space 18 is used to prevent samples in different heat treatment zones from contaminating each other. The graphite body bottom plate 11 and the graphite body top plate 13 in the interlayer space 18 are parallelly arranged graphite plates, that is, the first guide plate 16 and the second guide plate 17 can move smoothly in the interlayer space 18. Specifically, the graphite body main body 12 can be circular, square or polygonal, and the graphite body main body 12 can be other shapes without affecting the movement of the first guide plate 16 and the second guide plate 17.
[0027] Furthermore, in the present embodiment, the first guide plate 16 and the second guide plate 17 are arranged to pass through the graphite body top plate 13, and the first guide plate 16 and the second guide plate 17 include a guide plate body 191 arranged in the sealed graphite body space and a guide portion 192 arranged on the other side of the graphite body top plate 13, and the guide portion 192 is used to move the graphite gas guide plate; the graphite body top plate 13 is provided with a sliding channel (not shown in the figure) for the first guide plate 16 and the second guide plate 17 to slide.
[0028] In other embodiments, see Figure 2 , Figure 2 A schematic diagram of the structure of a graphite crucible device with a gas guiding function provided in the second embodiment of the utility model. The other structures in this embodiment are the same as those in the first embodiment, except that in this embodiment, a fourth gas guiding hole 131 is further provided on the graphite body top plate 13, and at this time, the fourth guiding hole 131 further balances the temperature and environment in the sealed graphite body space.
[0029] In general, the utility model provides a graphite crucible device with a gas diversion function. By arranging two detachable graphite gas diversion plates between the graphite body bottom plate and the graphite body top plate, the graphite crucible device has a gas diversion function, which can avoid the occurrence of powder spraying during heat treatment of powder; the graphite gas diversion plates are used to separate the first heat treatment zone and the second heat treatment zone, so that layered heat treatment can be achieved, that is, different substances can be heat treated at the same time to avoid pollution; by arranging the first gas diversion hole and the second gas diversion hole, waste gas absorbing medicines can be placed in the second heat treatment zone, and the waste gas generated can be absorbed under the action of the gas diversion holes, thereby reducing the possibility of tail gas leakage and avoiding environmental pollution and health threats.
[0030] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A graphite crucible device with gas diversion function, characterized in that: The invention comprises a graphite body bottom plate, a graphite body main body and a graphite body top plate. The graphite body bottom plate is connected with the graphite body main body and the graphite body top plate to form a sealed graphite body space with a detachable top. Two detachable graphite gas guide plates are arranged between the graphite body bottom plate and the graphite body top plate. The graphite gas guide plates divide the sealed graphite body space into a first heat treatment zone and a second heat treatment zone. The graphite gas guide plates comprise a first guide plate close to the first heat treatment zone and a second guide plate close to the second heat treatment zone. The first guide plate is provided with a first gas guide hole close to the graphite body top plate, and the second guide plate is provided with a second gas guide hole close to the graphite body bottom plate.
2. The graphite crucible device with gas guiding function according to claim 1, characterized in that: A third gas guide hole is arranged on the graphite body located in the second heat treatment zone, and the third gas guide hole is arranged at one end close to the top plate of the graphite body.
3. The graphite crucible device with gas guiding function according to claim 1, characterized in that: The material of the first guide plate and the second guide plate is the same as the material of the graphite body.
4. The graphite crucible device with gas guiding function according to claim 1, characterized in that: An interlayer space is provided between the first guide plate and the second guide plate, and the first guide plate and the second guide plate are movable in the interlayer space.
5. The graphite crucible device with gas guiding function according to claim 4, characterized in that: The graphite body bottom plate and the graphite body top plate in the interlayer space are graphite plates arranged in parallel.
6. The graphite crucible device with gas guiding function according to claim 1, characterized in that: The graphite body is circular or polygonal.
7. The graphite crucible device with gas guiding function according to claim 1, characterized in that: A fourth gas guide hole is arranged on the top plate of the graphite body.
8. The graphite crucible device with gas guiding function according to claim 1, characterized in that: The first guide plate and the second guide plate are arranged to pass through the graphite body top plate, and the first guide plate and the second guide plate include a guide plate body arranged in the sealed graphite body space and a guide portion arranged on the other side of the graphite body top plate, and the guide portion is used to move the graphite gas guide plate; the graphite body top plate is provided with a sliding channel for the first guide plate and the second guide plate to slide.