Heat dissipation device for silicon nitride production

Abstract

The utility model provides a heat dissipation device for silicon nitride production, and relates to the technical field of heat dissipation devices, the heat dissipation device comprises a nitriding furnace, a liquid cooling heat dissipation assembly and an air cooling heat dissipation assembly, the upper end cover of the nitriding furnace is provided with a furnace cover, the middle part of the outer ring surface of the nitriding furnace is provided with a concave surface, the concave surface is sleeved with the liquid cooling heat dissipation assembly, and the air cooling heat dissipation assembly is sleeved with the liquid cooling heat dissipation assembly. Four groups of air cooling heat dissipation assemblies are arranged on the outer side of the liquid cooling heat dissipation assembly, a lower sleeve opening is formed in the lower portion of the outer ring face of the nitriding furnace, a fixing sleeve is twisted at the lower sleeve opening through threads, a discharging pipe opening is formed in the center of the bottom face of the nitriding furnace, and a plurality of groups of supporting legs are fixed to the edge of the bottom face of the nitriding furnace; and the lower ends of the supporting legs are fixed on the base. The liquid cooling heat dissipation device can conduct large-area outward heat transfer, heat absorption and uniform cooling on the furnace body used for silicon nitride production, the heat dissipation area is large and rapid, the cooling efficiency can be improved, meanwhile, the liquid cooling heat dissipation assembly and the furnace body are convenient to assemble or disassemble, maintenance or replacement is convenient, and the liquid cooling heat dissipation device is more convenient and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation devices, and particularly relates to a heat dissipation device for silicon nitride production. Background Art

[0002] Silicon nitride is an important structural ceramic material with excellent chemical properties, good thermal shock resistance, good oxidation resistance, low high-temperature creep, and difficulty in wetting with slag, iron, etc. It is a new and promising material. It has good applications in the fields of aerospace, iron and steel metallurgy, chemical engineering, machinery, etc. During the production of silicon nitride, the starting raw materials need to be nitrided, so a nitriding furnace is used. The nitriding furnace is a device for nitriding the raw materials, with the characteristics of low treatment temperature, short time, and small workpiece deformation. In the specification of a nitriding furnace cooling device for silicon nitride production in the prior art (publication number CN209116777U), it is mentioned that "a handle is welded to the left side surface of the clamping plate, a plurality of fixing plates are arranged on the right side surface of the clamping plate, and the right side surfaces of the plurality of fixing plates are all attached to the left side surface of the nitriding furnace body. Water pipe placement grooves are formed on the upper surfaces of the plurality of fixing plates, and a cooling water pipe is wound around the outer surface of the nitriding furnace body, and the pipe walls of the cooling water pipe are all attached to the inner side walls of the water pipe placement grooves", but the prior art uses water pipes with a circular cross-section for heat dissipation, resulting in a small heat dissipation contact area, slow heat dissipation, low efficiency, and inconvenience in use. Summary of the Utility Model

[0003] To overcome the defects existing in the prior art, a heat dissipation device for silicon nitride production is provided to solve the problems of slow heat dissipation and low efficiency caused by the small heat dissipation contact area when using water pipes with a circular cross-section in the prior art, as well as inconvenience in use.

[0004] To achieve the above object, a heat dissipation device for silicon nitride production is provided, including a nitriding furnace, a liquid cooling heat dissipation component, and an air cooling heat dissipation component. The upper end of the nitriding furnace is covered with a furnace cover, and a concave surface is arranged in the middle of the outer ring surface of the nitriding furnace. The liquid cooling heat dissipation component is sleeved at the concave surface, and four groups of air cooling heat dissipation components are arranged outside the liquid cooling heat dissipation component. A lower sleeve opening is arranged at the lower part of the outer ring surface of the nitriding furnace, and a fixing sleeve is screwed at the lower sleeve opening through threads.

[0005] Furthermore, a discharge pipe orifice is arranged at the center of the bottom surface of the nitriding furnace, and multiple groups of support legs are fixed at the edge of the bottom surface of the nitriding furnace, and the lower ends of the support legs are fixed on the base.

[0006] Furthermore, an insertion opening is arranged at the upper end of the nitriding furnace, and an insertion block is arranged at the lower end surface of the furnace cover. The insertion block is inserted into the insertion opening, and a feed pipe orifice is arranged in the middle of the upper part of the furnace cover.

[0007] Furthermore, an endothermic layer is provided on the inner side of the liquid cooling and heat dissipation assembly. The endothermic layer is made of heat transfer silica gel material, and a heat transfer layer is provided on the outer side of the endothermic layer. The heat transfer layer is made of aluminum-copper alloy material, and multiple groups of heat dissipation fins are provided on the outer side surface of the heat transfer layer. A cooling water pipe is provided between two adjacent groups of heat dissipation fins up and down.

[0008] Furthermore, a communication port is provided between the cooling water pipe and the left part of another adjacent group of cooling water pipes up and down. An outlet water pipe port is provided at the upper left part of the upper group of cooling water pipes, and an inlet water pipe port is provided at the lower left part of the lower group of cooling water pipes.

[0009] Furthermore, an outer jacket is provided on the air cooling and heat dissipation assembly. Two heat dissipation fans are installed inside the outer jacket, and outer connecting plates are fixed at both the upper and lower ends of the outer jacket. The front ends of the outer connecting plates are fixed on the liquid cooling and heat dissipation assembly.

[0010] Furthermore, the fixing sleeve, the liquid cooling and heat dissipation assembly, and the furnace cover are all detachably connected to the nitriding furnace, and the centers of the nitriding furnace, the furnace cover, and the liquid cooling and heat dissipation assembly are all located on the same axis.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. The furnace cover of the present utility model is tightly and reliably covered on the nitriding furnace, and the furnace cover can be conveniently and quickly removed. Feeding materials into the nitriding furnace through the feeding pipe orifice on the furnace cover, and discharging materials through the discharging pipe orifice is also convenient, making the use more convenient and labor-saving.

[0013] 2. The heat generated by the production of silicon nitride in the nitriding furnace of the present utility model is transferred to the endothermic layer through the inside of the liquid cooling and heat dissipation assembly, and then the endothermic layer transfers the heat to the heat transfer layer. The heat transfer area is large, and the heat dissipation area is even larger. The heat is dissipated outward through the heat dissipation fins provided on the outer side surface of the heat transfer layer, and the cooling water pipe can absorb a large amount of heat, as well as large-area cooling treatment, making the cooling more uniform.

[0014] 3. Four groups of air cooling and heat dissipation assemblies are annularly arranged on the outer side of the liquid cooling and heat dissipation assembly of the present utility model. The heat dissipation fans on the air cooling and heat dissipation assemblies are used to perform air cooling on the heat dissipation fins and the cooling water pipe. The air cooling for auxiliary cooling is more rapid and convenient, which helps to improve the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view schematic diagram of the embodiment of the present utility model;

[0016] Figure 2 is the cross-sectional view schematic diagram of the embodiment of the present utility model;

[0017] Figure 3 is the rendering diagram of the nitriding furnace of the embodiment of the present utility model;

[0018] Figure 4 Schematic cross-sectional view of the liquid cooling and heat dissipation component according to an embodiment of the present utility model.

[0019] In the figure: 1, nitriding furnace; 10, insertion opening; 11, concave surface; 12, lower sleeve opening; 13, fixed sleeve; 14, discharge pipe opening; 15, support leg; 16, base; 2, furnace cover; 20, feed pipe opening; 21, insertion block; 3, liquid cooling and heat dissipation component; 30, heat absorption layer; 31, heat transfer layer; 32, heat dissipation fins; 33, cooling water pipe; 34, communication port; 35, water outlet pipe opening; 36, water inlet pipe opening; 4, air cooling and heat dissipation component; 40, outer jacket; 41, heat dissipation fan; 42, outer connecting plate. Specific embodiments

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are some, but not all, of the embodiments of the present disclosure. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. All other embodiments obtained by those skilled in the art based on the embodiments in the present disclosure without creative efforts fall within the scope of protection of the present disclosure.

[0021] The following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings.

[0022] Figure 1 Front view schematic diagram of an embodiment of the present utility model, Figure 2 Cross-sectional schematic diagram of an embodiment of the present utility model, Figure 3 Effect diagram of the nitriding furnace of an embodiment of the present utility model and Figure 4 Schematic cross-sectional view of the liquid cooling and heat dissipation component according to an embodiment of the present utility model.

[0023] Referring to Figures 1 to 4 As shown, the present utility model provides a heat dissipation device for silicon nitride production, including a nitriding furnace 1, a liquid cooling and heat dissipation component 3 and an air cooling and heat dissipation component 4. A furnace cover 2 is placed on the upper end of the nitriding furnace 1, and a concave surface 11 is provided in the middle of the outer ring surface of the nitriding furnace 1. A liquid cooling and heat dissipation component 3 is sleeved at the concave surface 11, and four groups of air cooling and heat dissipation components 4 are arranged outside the liquid cooling and heat dissipation component 3. A lower sleeve opening 12 is provided at the lower part of the outer ring surface of the nitriding furnace 1, and a fixed sleeve 13 is screwed at the lower sleeve opening 12 by threads.

[0024] In this embodiment, a discharge pipe opening 14 is provided at the center of the bottom surface of the nitriding furnace 1, and a plurality of groups of supporting legs 15 are fixed at the edge of the bottom surface of the nitriding furnace 1, and the lower ends of the supporting legs 15 are fixed on the base 16; an inlay 10 is provided at the upper end of the nitriding furnace 1, and an inlay block 21 is provided at the lower end surface of the furnace cover 2, the inlay block 21 is embedded in the inlay 10, and a feed pipe opening 20 is provided in the middle of the upper part of the furnace cover 2.

[0025] As a preferred embodiment, the furnace cover 2 of the utility model is tightly and reliably placed on the nitriding furnace 1, and the furnace cover 2 is easy and quick to remove. Materials can be added into the nitriding furnace 1 through the feed pipe opening 20 on the furnace cover 2, and materials can also be discharged out through the discharge pipe opening 14, which is more convenient and saves trouble to use.

[0026] In this embodiment, a heat absorption layer 30 is provided on the inner side of the liquid cooling heat dissipation component 3, and the heat absorption layer 30 is made of heat transfer silicone material, and a heat transfer layer 31 is provided on the outer side of the heat absorption layer 30, and the heat transfer layer 31 is made of aluminum-copper alloy material, and multiple groups of heat dissipation fins 32 are provided on the outer surface of the heat transfer layer 31, and a cooling water pipe 33 is provided between two groups of heat dissipation fins 32 adjacent to each other above and below; a connecting port 34 is provided between the cooling water pipe 33 and the left part of another group of cooling water pipes 33 adjacent to each other above and below, and a water outlet pipe port 35 is provided on the upper left part of the upper group of cooling water pipes 33, and a water inlet pipe port 36 is provided on the lower left part of the lower group of cooling water pipes 33.

[0027] As a preferred embodiment, the heat generated by the production of silicon nitride in the nitriding furnace 1 of the utility model is transferred to the heat absorption layer 30 through the interior of the liquid cooling heat dissipation component 3, and the heat absorption layer 30 then transfers the heat to the heat transfer layer 31. The heat transfer area is large and the heat dissipation area is larger. The heat dissipation fins 32 arranged on the outer side of the heat transfer layer 31 dissipate the heat outward, and the cooling water pipe 33 can absorb a large amount of heat, and a large area of ​​cooling treatment can be performed, and the cooling is more uniform.

[0028] In this embodiment, an outer coat rack 40 is provided on the air-cooled heat dissipation component 4, two sets of cooling fans 41 are installed in the outer coat rack 40, and external connecting plates 42 are fixed at the upper and lower ends of the outer coat rack 40, and the front end of the external connecting plate 42 is fixed on the liquid-cooled heat dissipation component 3.

[0029] As a preferred embodiment, the utility model arranges four groups of air-cooled heat dissipation components 4 on the outer side of the liquid-cooled heat dissipation component 3, and utilizes the cooling fan 41 on the air-cooled heat dissipation component 4 to perform air cooling on the heat dissipation fins 32 and the cooling water pipes 33. The air-cooled assisted cooling is faster and more convenient, which helps to improve the cooling efficiency.

[0030] The utility model can effectively solve the problems in the prior art that when a water pipe with a circular cross-section is used for heat dissipation, the heat dissipation contact area is small, resulting in slow heat dissipation efficiency and low efficiency, and it is not convenient and practical. The utility model can transfer heat outwards and absorb heat on a large area for the furnace body used in silicon nitride production, and perform uniform cooling. The heat dissipation area is large and fast, which helps to improve the cooling efficiency. At the same time, the liquid cooling heat dissipation component is convenient to assemble or disassemble with the furnace body for maintenance or replacement, which is more convenient and practical.

[0031] The above embodiments are used to explain the utility model, rather than limit the utility model. Any modification and change made to the utility model within the spirit of the utility model and the scope of the claimed rights for application shall be included in the protection scope of the utility model.

Claims

1. A heat sink for silicon nitride production, characterized in that: The invention comprises a nitriding furnace (1), a liquid cooling heat dissipation component (3) and an air cooling heat dissipation component (4); the upper end cover of the nitriding furnace (1) is provided with a furnace cover (2); a concave surface (11) is provided in the middle of the outer ring surface of the nitriding furnace (1); the liquid cooling heat dissipation component (3) is sleeved on the concave surface (11); four groups of air cooling heat dissipation components (4) are provided on the outer side of the liquid cooling heat dissipation component (3); a lower sleeve opening (12) is provided at the lower part of the outer ring surface of the nitriding furnace (1); and a fixing sleeve (13) is screwed on the lower sleeve opening (12) by means of a thread.

2. A heat sink for silicon nitride production according to claim 1, characterized in that: A discharge pipe opening (14) is provided at the center of the bottom surface of the nitriding furnace (1), and a plurality of groups of support legs (15) are fixed at the edge of the bottom surface of the nitriding furnace (1), and the lower ends of the support legs (15) are fixed on a base (16).

3. A heat sink for silicon nitride production according to claim 1, characterized in that: The upper end of the nitriding furnace (1) is provided with an inlay (10), and the lower end surface of the furnace cover (2) is provided with an inlay block (21), the inlay block (21) is embedded in the inlay block (10), and a feed pipe opening (20) is provided in the middle of the upper part of the furnace cover (2).

4. A heat sink for silicon nitride production according to claim 1, characterized in that: A heat absorbing layer (30) is arranged on the inner side of the liquid cooling heat dissipation component (3), the heat absorbing layer (30) is made of a heat transfer silica gel material, and a heat transfer layer (31) is arranged on the outer side of the heat absorbing layer (30), the heat transfer layer (31) is made of an aluminum-copper alloy material, and a plurality of groups of heat dissipation fins (32) are arranged on the outer side surface of the heat transfer layer (31), and a cooling water pipe (33) is arranged between two groups of heat dissipation fins (32) adjacent to each other.

5. A heat dissipation device for silicon nitride production according to claim 4, characterized in that: A communication port (34) is provided between the cooling water pipe (33) and the left portion of another group of cooling water pipes (33) adjacent to each other, and a water outlet pipe opening (35) is provided at the upper left portion of the upper group of cooling water pipes (33), and a water inlet pipe opening (36) is provided at the lower left portion of the lower group of cooling water pipes (33).

6. The heat dissipation device for silicon nitride production according to claim 1, characterized in that: The air-cooled heat dissipation component (4) is provided with an outer frame (40), two groups of heat dissipation fans (41) are installed in the outer frame (40), and outer connecting plates (42) are fixed to the upper and lower ends of the outer frame (40), and the front end of the outer connecting plate (42) is fixed to the liquid-cooled heat dissipation component (3).

7. The heat dissipation device for silicon nitride production according to claim 1, characterized in that: The fixing sleeve (13), the liquid cooling and heat dissipation component (3), and the furnace cover (2) are all separately connected to the nitriding furnace (1), and the centers of the nitriding furnace (1), the furnace cover (2), and the liquid cooling and heat dissipation component (3) are all located on the same axis.

Images