Heat preservation device of crucible sintering furnace

The double-layer insulation tube structure and heat recycling method solve the problem of poor insulation effect of the crucible sintering furnace, and achieve efficient insulation and heat energy recycling.

CN223425696UActive Publication Date: 2025-10-10JIAXING HOT ADVANCED CERAMICS CO LTD
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Patent Information

Application Number
CN202422963684.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-10
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The heat preservation device of the existing crucible sintering furnace has a simple structure, poor heat preservation effect and low heat utilization efficiency.

Method used

The double-layer insulation cylinder is filled with water between the inner and outer cylinders and heat is conducted through the heat conduction plate. After the water is heated, insulation sand is used to further improve the insulation effect, and the hot water is circulated through a water pump.

Benefits of technology

It achieves efficient thermal insulation, improves heat utilization efficiency, and realizes the reuse of thermal energy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat preservation of crucible sintering furnaces, and discloses a heat preservation device of a crucible sintering furnace, which comprises a heat preservation cylinder, the heat preservation cylinder is composed of an inner cylinder and an outer cylinder, the space between the inner cylinder and the outer cylinder is divided into a heat preservation cavity, and a plurality of heat conduction plates are fixedly arranged on the outer wall of the inner cylinder at equal intervals. A sealing ring is fixedly arranged between the inner cylinder and the outer cylinder and located at the upper end of the inner cylinder and the outer cylinder, the outer cylinder is filled with heat preservation sand, a water guide pipe is fixedly arranged at the lower end of one side of the outer cylinder, a mounting base is fixedly arranged at the position, located at the water guide pipe, of the lower end of one side of the outer cylinder, and a water pump is fixedly arranged in the mounting base. According to the crucible sintering furnace heat preservation device, effective heat preservation can be conducted on the crucible sintering furnace, water can be heated through heat energy generated by the sintering furnace, and heat energy recycling is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the heat preservation of crucible sintering furnace, and particularly relates to a heat preservation device of crucible sintering furnace. BACKGROUND

[0002] Crucible sintering furnace plays a vital role in many industrial fields, such as metallurgy, ceramics, chemical industry and other industries. In the operation process of the crucible sintering furnace, the effective use and heat preservation of heat are the key factors to improve energy efficiency, ensure product quality and reduce production cost. Therefore, it is of great practical significance to develop an efficient heat preservation device for crucible sintering furnace.

[0003] Most of the existing heat preservation devices of crucible sintering furnace generally form a cavity on the inner wall of the furnace for heat insulation to prevent heat loss. This heat preservation structure is simple and single, and the heat preservation effect needs to be improved. Therefore, the technical personnel in the field provide a heat preservation device for crucible sintering furnace to solve the problems in the background technology. UTILITY MODEL CONTENT

[0004] The utility model discloses a heat preservation device for crucible sintering furnace, which can effectively preserve the heat of the crucible sintering furnace and heat the water generated by the sintering furnace to realize heat recycling.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A heat preservation device for crucible sintering furnace, comprising a heat preservation cylinder, the heat preservation cylinder is composed of two layers of inner cylinder and outer cylinder, the inner cylinder and the outer cylinder are separated into a heat preservation cavity, a plurality of heat conduction plates are fixedly arranged on the outer wall of the inner cylinder at equal intervals, a sealing ring is fixedly arranged between the inner cylinder and the outer cylinder and at the upper end thereof, the inner part of the outer cylinder is filled with heat preservation sand, a water guide pipe is fixedly arranged at the lower end of one side of the outer cylinder, a mounting seat is fixedly arranged at the lower end of one side of the outer cylinder and at the water guide pipe, and a water pump is fixedly arranged in the mounting seat.

[0007] Further, the bottom disc is fixedly connected to the lower end of the heat preservation cylinder.

[0008] Through the above technical scheme, the bottom of the heat preservation cylinder is supported and fixed by the bottom disc.

[0009] Further, the plurality of heat conduction plates are synthetic graphite heat conduction plates.

[0010] Through the above technical scheme, the heat generated by the sintering furnace is conducted from the inner cylinder by the heat conduction plates.

[0011] Further, the inner end of the water guide pipe penetrates through the outer cylinder and extends into the inner part of the heat preservation cavity.

[0012] Through the above technical scheme, water is introduced into the heat preservation cavity through the water guide pipe.

[0013] Further, the input end of the water pump is fixedly connected to the water guide pipe, and the input end of the water pump is fixedly connected with the connecting pipe.

[0014] Through the above technical scheme, the connecting pipe is connected to the water tank, and then the water is sent into the water guide pipe through the water pump.

[0015] Further, the upper end of the heat preservation cylinder is detachably provided with a heat preservation top plate, and the lower end of the heat preservation top plate is fixedly provided with a clamping ring.

[0016] Through the above technical scheme, the upper end of the sintering furnace is heat preserved through the heat preservation top plate.

[0017] Further, the clamping ring is clamped in the clamping groove between the inner cylinder and the outer cylinder and located on the upper end of the sealing ring.

[0018] Through the above technical scheme, the heat preservation cylinder and the heat preservation top plate are sealed through the sealing ring.

[0019] The utility model has the following beneficial effects:

[0020] The utility model discloses a heat preservation device of a crucible sintering furnace, the heat preservation cylinder of the device is composed of an inner cylinder and an outer cylinder, water is filled between the inner cylinder and the outer cylinder, the heat generated by the crucible sintering furnace is conducted by the heat conduction plate of the inner cylinder, so that the water is heated, and the heat preservation effect is realized, and the outer cylinder is filled with heat preservation sand, various heat preservation modes are adopted, the heat preservation effect is improved, and the heated water can be reused. DRAWINGS

[0021] Figure 1 It is a perspective view of the heat preservation device of the crucible sintering furnace provided by the utility model;

[0022] Figure 2 It is a sectional view of the heat preservation device of the crucible sintering furnace provided by the utility model;

[0023] Figure 3 It is a structural schematic view of the inner cylinder of the heat preservation device of the crucible sintering furnace provided by the utility model;

[0024] Figure 4 It is a partial schematic view of the outer cylinder of the heat preservation device of the crucible sintering furnace provided by the utility model;

[0025] Figure 5 It is Figure 1 The enlarged view of A in the middle.

[0026] Legend:

[0027] 1. Insulation tube; 2. Inner tube; 3. Outer tube; 4. Chassis; 5. Insulation chamber; 6. Heat transfer plate; 7. Sealing ring; 8. Insulation sand; 9. Water pipe; 10. Mounting base; 11. Water pump; 12. Connecting pipe; 13. Clamping slot; 14. Insulation top plate; 15. Clamping ring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Reference Figures 1-5 The utility model provides a specific embodiment: an insulation device for a crucible sintering furnace, comprising an insulation tube 1, which consists of an inner tube 2 and an outer tube 3. The inner tube 2 and the outer tube 3 are separated into an insulation chamber 5, and a plurality of heat conducting plates 6 are fixedly arranged on the outer wall of the inner tube 2 at equal intervals. A sealing ring 7 is fixedly arranged between the inner tube 2 and the outer tube 3 and at the upper end thereof. The outer tube 3 is filled with insulation sand 8, a water pipe 9 is fixedly arranged at the lower end of one side of the outer tube 3, a mounting seat 10 is fixedly arranged at the lower end of one side of the outer tube 3 and at the water pipe 9, and a water pump 11 is fixedly arranged inside the mounting seat 10.

[0030] The lower end of the heat preservation tube 1 is fixedly connected to the chassis 4, which supports and fixes the bottom of the heat preservation tube 1;

[0031] The multiple heat conducting plates 6 are all synthetic graphite heat conducting plates, and the heat generated by the sintering furnace is conducted from the inner cylinder 2 through the heat conducting plates 6;

[0032] The inner end of the water pipe 9 passes through the outer cylinder 3 and extends into the interior of the heat preservation chamber 5, and water is introduced into the interior of the heat preservation chamber 5 through the water pipe 9;

[0033] The input end of the water pump 11 is fixedly connected to the water pipe 9. The input end of the water pump 11 is fixedly connected to a connecting pipe 12. The connecting pipe 12 is connected to the water tank. Then, the water is transported to the inside of the water pipe 9 through the water pump 11.

[0034] The upper end of the insulation cylinder 1 is detachably provided with an insulation top plate 14, and the lower end of the insulation top plate 14 is fixedly provided with a clamping ring 15, which is used to insulate the upper end of the sintering furnace through the insulation top plate 14;

[0035] A clamping groove 13 is provided between the inner tube 2 and the outer tube 3 and at the upper end of the sealing ring 7 . The clamping ring 15 is clamped in the inside of the clamping groove 13 , and the sealing ring 7 is used to seal the insulation tube 1 and the insulation top plate 14 .

[0036] Working principle: When the heat preservation device of the crucible sintering furnace is used, water is input from the water pipe 9 into the heat preservation chamber 5 between the inner tube 2 and the outer tube 3 through the water pump 11. The heat generated by the operation of the crucible sintering furnace is conducted by the heat conduction plate 6 of the inner tube 2, thereby heating the water and achieving its heat preservation effect. The heated water can also be reused. At the same time, the inner wall of the outer tube 3 is filled with heat preservation sand to further improve its heat preservation effect.

[0037] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions described in the aforementioned specific implementation methods or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heat preservation device for a crucible sintering furnace, comprising a heat preservation tube (1), characterized in that: The heat-insulating cylinder (1) is composed of two layers, an inner cylinder (2) and an outer cylinder (3); the inner cylinder (2) and the outer cylinder (3) are separated into a heat-insulating chamber (5); a plurality of heat-conducting plates (6) are fixedly arranged at equal intervals on the outer wall of the inner cylinder (2); a sealing ring (7) is fixedly arranged between the inner cylinder (2) and the outer cylinder (3) and at the upper end thereof; the interior of the outer cylinder (3) is filled with heat-insulating sand (8); a water pipe (9) is fixedly arranged at the lower end of one side of the outer cylinder (3); a mounting seat (10) is fixedly arranged at the lower end of one side of the outer cylinder (3) and at the water pipe (9); a water pump (11) is fixedly arranged inside the mounting seat (10).

2. The heat preservation device of a crucible sintering furnace according to claim 1, characterized in that: The lower end of the heat-insulating cylinder (1) is fixedly connected to a chassis (4).

3. The heat preservation device of a crucible sintering furnace according to claim 1, characterized in that: The plurality of heat conducting plates (6) are all synthetic graphite heat conducting plates.

4. The heat preservation device of a crucible sintering furnace according to claim 1, characterized in that: The inner end of the water guide pipe (9) passes through the outer cylinder (3) and extends into the interior of the heat preservation cavity (5).

5. The heat preservation device of a crucible sintering furnace according to claim 1, characterized in that: The input end of the water pump (11) is fixedly connected to the water pipe (9), and the input end of the water pump (11) is fixedly connected to a connecting pipe (12).

6. The heat preservation device of a crucible sintering furnace according to claim 1, characterized in that: The upper end of the heat-insulating cylinder (1) is detachably provided with a heat-insulating top plate (14), and the lower end of the heat-insulating top plate (14) is fixedly provided with a clamping ring (15).

7. The heat preservation device of a crucible sintering furnace according to claim 6, characterized in that: A clamping groove (13) is provided between the inner cylinder (2) and the outer cylinder (3) and at the upper end of the sealing ring (7), and the clamping ring (15) is clamped inside the clamping groove (13).