Thin-wall crucible furnace
Patent Information
- Application Number
- CN202422115158.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-30
Smart Images

Figure CN223121919U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-temperature industrial furnaces, and particularly to a thin-walled crucible furnace. Background Art
[0002] By adopting a combination of a lightweight thin-walled structure and multi-layer heat insulation materials to achieve efficient heat preservation and energy-saving effects, the commonly used materials include steel plates, nano-insulation boards, aluminosilicate cotton, etc., forming multi-layer protection from the outside to the inside, which not only improves the structural strength of the furnace body but also effectively reduces heat loss. This technology is widely used in industries such as metallurgy, casting, and material research and development, providing precise temperature control capabilities and low energy consumption, making it have significant advantages in energy conservation and emission reduction and improving production efficiency.
[0003] In the prior art, the insulation layer of the crucible furnace is made of a steel plate + calcium silicate board + refractory brick. The thermal conductivity of the refractory brick and the calcium silicate board is relatively high, resulting in a relatively high temperature of the furnace shell, increasing heat loss. The density of the refractory brick is relatively large, and the overall weight of this combination is relatively high, and the heating and cooling times are relatively long. For this reason, we propose a thin-walled crucible furnace. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a thin-walled crucible furnace to solve the problems in the above-mentioned background art that the thermal conductivity of the refractory brick and the calcium silicate board is relatively high, resulting in a relatively high temperature of the furnace shell, increasing heat loss, the density of the refractory brick is relatively large, the overall weight of this combination is relatively high, and the heating and cooling times are relatively long.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A thin-walled crucible furnace, including a furnace body structure, the furnace body structure includes a furnace body, a lifting hook, and an annular plate. The furnace body includes a steel plate, a heat insulation and heat preservation coating, a nano-insulation board, and aluminosilicate cotton. The steel plate is on the outermost side. The heat insulation and heat preservation coating is evenly applied on the inner wall of the steel plate. The nano-insulation board is attached to the heat insulation and heat preservation coating. The aluminosilicate cotton is installed on the inner wall of the nano-insulation board. A heating structure is arranged inside the furnace body. A crucible is placed inside the furnace body. An anti-shaking structure is arranged at the top of the annular plate. A connection structure is arranged on the outer wall of the furnace body. A wire bundling structure is arranged on the outer side of the furnace body.
[0006] As a preferred solution, the annular plate is fixedly installed at the top of the furnace body, and the lifting hook is fixedly installed at the top position of the side wall of the furnace body.
[0007] As a preferred solution, the connection structure includes an annular frame and a wiring iron sheet. The annular frame is fixedly installed on the outer wall of the furnace body. The wiring iron sheet is installed inside the annular frame. The wiring iron sheet is electrically connected to the heating belt.
[0008] As a preferred solution, the wire bundling structure includes a fixing plate which is fixedly installed on the outer wall of the furnace body. A first electric push rod is installed on the fixing plate, and a wire bundling plate is fixedly installed on the telescopic rod of the first electric push rod. Sliders are fixedly installed at both ends of the wire bundling plate, and slide rails are fixedly installed between the fixing plates. The sliders are slidably connected to the slide rails.
[0009] As a preferred solution, the anti-shaking structure includes a support plate which is fixedly installed at the top of the annular plate. A second electric push rod is fixedly installed on the support plate, and an arc-shaped plate is fixedly installed on the telescopic rod of the second electric push rod. Guide rods are fixedly installed at both ends of the arc-shaped plate, and the guide rods pass through the support plate and extend to the other end of the support plate. The guide rods are slidably connected to the support plate.
[0010] As a preferred solution, the heating structure includes a bottom plate, an inner plate and a heating belt. The bottom plate is fixedly installed on the bottom wall of the furnace body, the inner plate is fixedly installed on the aluminosilicate wool, and the heating belt is installed on the inner wall of the inner plate.
[0011] The technical effects and advantages of the present utility model are as follows:
[0012] 1. Through the sequential combination of the steel plate, the heat insulation and heat preservation coating, the nano heat preservation board and the aluminosilicate wool, the low thermal conductivity of the nano heat preservation board and the aluminosilicate wool provides excellent heat preservation effect, can effectively reduce heat loss, improve the thermal efficiency of the crucible furnace, and the aluminosilicate wool and the nano heat preservation board are light in weight, reducing the self-weight of the furnace body. This combination can achieve rapid heating and cooling, is suitable for applications requiring precise temperature control, has excellent chemical stability and anti-aging performance at high temperatures, and reduces the need for frequent maintenance;
[0013] 2. By setting the wire bundling structure to bundle the connected wires, it can effectively prevent friction and wear between the wires, reduce damage to the insulation layer, lower the risks of short circuit and electrical fire, prevent them from winding around each other during operation, avoid potential faults and damages, make the wires arranged neatly, convenient for identification and management, especially in complex electrical systems, simplifying the search and maintenance of specific wires;
[0014] 3. By setting the anti-shaking structure to limit the position of the crucible, the crucible can be kept in a stable position, reduce the shaking of the crucible, lower the risk of the crucible tipping over or colliding, thereby improving the safety during the operation process, reducing the mechanical impact of the shaking of the crucible on the furnace body and the crucible itself. The heating belt usually has a larger contact area and a higher power density, and can convert electrical energy into heat more effectively, improving the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic diagram of the present utility model.
[0016] Figure 2This is a partial schematic diagram of the whole of the present utility model.
[0017] Figure 3 This is a schematic cross-sectional view of the furnace body of the present utility model.
[0018] Figure 4 This is a schematic diagram of the wire harness structure of the present utility model.
[0019] In the figure: 1. Furnace body structure; 11. Furnace body; 12. Hook; 13. Annular plate; 111. Steel plate; 112. Heat insulation and thermal insulation coating; 113. Nano thermal insulation board; 114. Aluminum silicate wool; 2. Connection structure; 21. Annular frame; 22. Wiring iron sheet; 3. Wire harness structure; 31. Fixed plate; 32. First electric push rod; 33. Wire harness plate; 34. Slide block; 35. Slide rail; 4. Anti-shake structure; 41. Support plate; 42. Second electric push rod; 43. Arc plate; 44. Guide rod; 5. Crucible; 6. Heating structure; 61. Bottom plate; 62. Inner plate; 63. Heating belt. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Embodiment 1:
[0022] Please refer to the attached Figure 1 - attached Figure 3, A thin-walled crucible furnace, comprising a furnace body structure 1. The furnace body structure 1 includes a furnace body 11, a lifting hook 12, and an annular plate 13. The annular plate 13 is fixedly installed at the top of the furnace body 11, and the lifting hook 12 is fixedly installed at the top position of the side wall of the furnace body 11. The furnace body 11 includes a steel plate 111, a heat-insulating and heat-preserving coating 112, a nano heat-insulating board 113, and aluminosilicate wool 114. The steel plate 111 is on the outermost side. The heat-insulating and heat-preserving coating 112 is evenly applied on the inner wall of the steel plate 111 with a consistent thickness. The nano heat-insulating board 113 is adhered to the heat-insulating and heat-preserving coating 112 through an adhesive, and at the same time, the joints between the plates are well treated to reduce heat conduction. The aluminosilicate wool 114 is installed on the inner wall of the nano heat-insulating board 113 to ensure a tight fit. A heating structure 6 is arranged inside the furnace body 11. The heating structure 6 includes a bottom plate 61, an inner plate 62, and heating tapes 63. The bottom plate 61 is fixedly installed on the bottom wall of the furnace body 11, the inner plate 62 is fixedly installed on the aluminosilicate wool 114, and several heating tapes 63 are provided and installed on the inner wall of the inner plate 62. A crucible 5 is placed inside the furnace body 11, and the crucible 5 is placed on the top of the bottom plate 61. A lifting ring is fixedly installed on the top of the crucible 5. An anti-vibration structure 4 is arranged at the top of the annular plate 13. The anti-vibration structure 4 includes a support plate 41. The support plate 41 is fixedly installed at the top of the annular plate 13. A second electric push rod 42 is fixedly installed on the support plate 41. An arc-shaped plate 43 is fixedly installed on the telescopic rod of the second electric push rod 42. Guide rods 44 are fixedly installed at both ends of the arc-shaped plate 43. The guide rods 44 pass through the support plate 41 and extend to the other end of the support plate 41. The guide rods 44 are slidably connected to the support plate 41. The hook on the crane is hung on the lifting ring. When the bottom end of the crucible 5 enters the inside of the furnace body 11, the second electric push rod 42 is started. The telescopic rod of the second electric push rod 42 extends to drive the arc-shaped plate 43 to move, and the crucible 5 is limited by the arc-shaped plate 43 to prevent the crucible 5 from shaking during the descending process, improving the stability of the crucible 5 and enabling the crucible 5 to smoothly enter the inside of the furnace body 11. The crucible 5 is heated by the heating tapes 63 generating heat. Because the heating wire is replaced with the heating tapes 63, the heating efficiency is improved, and at the same time, excellent heat preservation effect is provided, which can effectively reduce heat loss, improve the service life, and reduce the self-weight of the furnace body 11.
[0023] Embodiment 2:
[0024] Please refer to the appendix Figure 1 - Appendix Figure 4, a connection structure 2 is provided on the outer wall of the furnace body 11. The connection structure 2 includes an annular frame 21 and a wiring iron sheet 22. The annular frame 21 is fixedly installed on the outer wall of the furnace body 11, and the wiring iron sheet 22 is installed inside the annular frame 21. The wiring iron sheet 22 is electrically connected to the heating belt 63. A wire bundling structure 3 is provided outside the furnace body 11. The wire bundling structure 3 includes a fixing plate 31. The fixing plate 31 is fixedly installed on the outer wall of the furnace body 11. A first electric push rod 32 is installed on the fixing plate 31. A wire bundling plate 33 is fixedly installed on the telescopic rod of the first electric push rod 32. Sliders 34 are fixedly installed at both ends of the wire bundling plate 33. Slide rails 35 are fixedly installed between the fixing plates 31. The sliders 34 are slidably connected to the slide rails 35. When external wires are connected to the wiring iron sheet 22, since there are multiple wires connected, the first electric push rod 32 is started. The telescopic rod of the first electric push rod 32 drives the wire bundling plate 33 to move. The wire bundling plate 33 drives the sliders 34 to slide on the slide rails 35. The wires are limited by the movement of the wire bundling plate 33, which can effectively prevent friction and wear between the wires, reduce damage to the insulation layer, protect the wires, improve the service life of the wires, and at the same time prevent them from winding around each other during operation, avoid potential faults and damages, make the wires arranged neatly, and facilitate identification and management.
[0025] Working principle of the present utility model: The present utility model is a thin-walled crucible furnace. When the bottom end of the crucible 5 enters the furnace body 11, the second electric push rod 42 is started. The telescopic rod of the second electric push rod 42 extends to drive the arc-shaped plate 43 to move. The crucible 5 is limited by the arc-shaped plate 43 to prevent the crucible 5 from shaking during the descending process, improve the stability of the crucible 5, and enable the crucible 5 to smoothly enter the furnace body 11. The crucible 5 is heated by the heating belt 63 generating heat. Since the heating wire is replaced with the heating belt 63, the heating efficiency is improved, and at the same time, excellent heat preservation effect is provided, which can effectively reduce heat loss, improve the service life, and reduce the self-weight of the furnace body 11. When external wires are connected to the wiring iron sheet 22, since there are multiple wires connected, the first electric push rod 32 is started. The telescopic rod of the first electric push rod 32 drives the wire bundling plate 33 to move. The wire bundling plate 33 drives the sliders 34 to slide on the slide rails 35. The wires are limited by the movement of the wire bundling plate 33, which can effectively prevent friction and wear between the wires, reduce damage to the insulation layer, protect the wires, improve the service life of the wires, and at the same time prevent them from winding around each other during operation, avoid potential faults and damages, make the wires arranged neatly, and facilitate identification and management.
[0026] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. Thin-walled crucible furnace, comprising a furnace body structure (1), the furnace body structure (1) including a furnace body (11), a lifting hook (12) and an annular plate (13), characterized in that: The furnace body (11) includes a steel plate (111), a heat insulation coating (112), a nano insulation board (113), and aluminosilicate wool (114). The steel plate (111) is on the outermost side. The heat insulation coating (112) is evenly applied to the inner wall of the steel plate (111). The nano insulation board (113) is attached to the heat insulation coating (112). The aluminosilicate wool (114) is installed on the inner wall of the nano insulation board (113). A heating structure (6) is provided inside the furnace body (11). A crucible (5) is placed inside the furnace body (11). An anti-shaking structure (4) is provided at the top of the annular plate (13). A connection structure (2) is provided on the outer wall of the furnace body (11). A wire bundling structure (3) is provided on the outside of the furnace body (11).
2. The thin-walled crucible furnace according to claim 1, characterized in that: The annular plate (13) is fixedly installed at the top of the furnace body (11). The lifting hook (12) is fixedly installed at the top position on the side wall of the furnace body (11).
3. The thin-walled crucible furnace according to claim 1, characterized in that: The connection structure (2) includes an annular frame (21) and a wiring iron sheet (22). The annular frame (21) is fixedly installed on the outer wall of the furnace body (11). The wiring iron sheet (22) is installed inside the annular frame (21). The wiring iron sheet (22) is electrically connected to the heating belt (63).
4. The thin-walled crucible furnace according to claim 1, wherein: The wire bundling structure (3) includes a fixing plate (31). The fixing plate (31) is fixedly installed on the outer wall of the furnace body (11). A first electric push rod (32) is installed on the fixing plate (31). A wire bundling plate (33) is fixedly installed on the telescopic rod of the first electric push rod (32). Sliders (34) are respectively fixedly installed at both ends of the wire bundling plate (33). Slide rails (35) are fixedly installed between the fixing plates (31). The sliders (34) are slidably connected to the slide rails (35).
5. The thin-walled crucible furnace according to claim 1, wherein: The anti-shaking structure (4) includes a support plate (41). The support plate (41) is fixedly installed at the top of the annular plate (13). A second electric push rod (42) is fixedly installed on the support plate (41). An arc-shaped plate (43) is fixedly installed on the telescopic rod of the second electric push rod (42). Guide rods (44) are fixedly installed at both ends of the arc-shaped plate (43). The guide rods (44) pass through the support plate (41) and extend to the other end of the support plate (41). The guide rods (44) are slidably connected to the support plate (41).
6. The thin-walled crucible furnace according to claim 1, wherein: The heating structure (6) includes a bottom plate (61), an inner plate (62), and a heating belt (63). The bottom plate (61) is fixedly installed on the bottom wall of the furnace body (11). The inner plate (62) is fixedly installed on the aluminosilicate wool (114). The heating belt (63) is installed on the inner wall of the inner plate (62).