Powder metallurgy heating furnace jacket

Abstract

The utility model discloses a powder metallurgy heating furnace jacket which is characterized in that the powder metallurgy heating furnace jacket comprises a furnace jacket body, the interior of the furnace jacket body is designed to be of a hollow structure, the thickness of the furnace jacket body ranges from 50 mm to 70 mm, a plurality of inner heating holes are formed in the furnace jacket body, and the inner heating holes are circumferentially distributed at equal intervals through the center circle point of the furnace jacket body; the number of the inner heating holes is not less than six, a heating metal rod is fixedly mounted in each inner heating hole, an electromagnetic heating coil is wound outside each heating metal rod, and a plurality of heat conduction columns which are linearly distributed at equal intervals are fixedly mounted on the outer wall of each heating metal rod; the end, away from the heating metal rod, of the heat conduction column penetrates out of the inner wall of the furnace jacket body, and the protruding length of the heating metal rod ranges from 20 mm to 30 mm. The furnace jacket has the more uniform heating effect, materials in the furnace jacket can be heated more uniformly, the situation that heating is not thorough is avoided, the smelting effect and efficiency are effectively improved, and the furnace jacket is suitable for large-scale production. And the product quality of powder metallurgy is ensured.

Description

Technical Field

[0001] The utility model relates to a furnace jacket, in particular to a powder metallurgy heating furnace jacket, belonging to the technical field of powder metallurgy. Background Art

[0002] Powder metallurgy is a process technology that produces metal powder or uses metal powder (or a mixture of metal powder and non-metal powder) as raw material, and then forms and sinters it to manufacture metal materials, composite materials, and various types of products. Powder metallurgy is similar to the production of ceramics, both of which belong to powder sintering technology. Therefore, a series of new powder metallurgy technologies can also be used to prepare ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solving new material problems and plays a vital role in the development of new materials.

[0003] Traditional powder metallurgy is simply smelted in a smelting furnace. When the smelting furnace is in use, a heating furnace jacket is installed inside. However, the current smelting furnace jacket has different heating effects in different parts, resulting in poor smelting effect, low smelting efficiency, and uneven heating, which affects the product smelting quality while causing certain energy waste and poor practicality. Utility Model Content

[0004] The utility model provides a powder metallurgy heating furnace jacket, which is used to solve the problems raised in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model powder metallurgy heating furnace sleeve is characterized in that it includes a furnace sleeve body, the interior of the furnace sleeve body is of hollow structure design, the thickness of the furnace sleeve body is between 50-70mm, a plurality of internal heating holes are opened inside the furnace sleeve body, and the plurality of internal heating holes are distributed in a circle with equal spacing through the center point of the furnace sleeve body, and the number of the internal heating holes is not less than six, a heating metal rod is fixedly installed inside each of the internal heating holes, an electromagnetic heating coil is wound around the outside of each of the heating metal rods, and a plurality of linearly evenly spaced heat-conducting columns are fixedly installed on the outer wall of each of the heating metal rods, and the end of the heat-conducting column away from the heating metal rod is arranged to pass through the inner wall of the furnace sleeve body, and the protruding length of the heating metal rod is between 20-30mm.

[0007] Furthermore, in order to perform external heat insulation work on the furnace jacket body, an inner heat insulation layer is provided inside the furnace jacket body and located at the outer circle of the inner heating hole, and the thickness of the inner heat insulation layer is between 10-20 mm.

[0008] Furthermore, in order to improve the external structural strength of the furnace jacket body so that it can effectively resist external forces, the outside of the furnace jacket body is provided with a number of equally spaced, linearly and vertically distributed external reinforcement hoops, which are fixedly connected to the furnace jacket body, and the number of the external reinforcement hoops is not less than five.

[0009] Furthermore, in order to improve the thermal insulation of the top of the furnace jacket body, a top thermal insulation ring is fixedly installed on the top of the furnace jacket body, and a top lifting ring is fixedly installed on the upper surface of the top thermal insulation ring.

[0010] Furthermore, in order to improve the thermal insulation of the bottom of the furnace jacket body, a bottom thermal insulation ring is fixedly installed at the bottom end of the furnace jacket body, and a bottom lifting ring is fixedly installed on the lower surface of the bottom thermal insulation ring.

[0011] Furthermore, in order to install the side walls of the top and bottom of the furnace jacket body to improve stability during use, furnace jacket fixings are fixedly installed on the outer walls of the bottom lifting ring and the top lifting ring, and the furnace jacket fixings are distributed in an equidistant ring through the center point of the furnace jacket body.

[0012] Compared with the prior art, the utility model provides the following beneficial effects:

[0013] The heat of the heated metal rod can be conducted through a plurality of heat-conducting columns to effectively heat the inside of the furnace jacket. Since the heating structure is an annular structure with equal spacing and a plurality of linear vertical heat-conducting columns are provided, the furnace jacket of the utility model has a more uniform heating effect in actual use, which can make the internal material heated more evenly, avoid the situation of incomplete heating, effectively improve the smelting effect and efficiency, and ensure the quality of powder metallurgy products.

[0014] The utility model provides an inner heat-insulating layer inside the furnace jacket body, and the inner heat-insulating layer can be used to insulate the internal heat, thereby avoiding the safety hazard caused by overheating of the outer wall and improving the safety of use. At the same time, the top heat-insulating ring and the bottom heat-insulating ring can effectively insulate the port part of the furnace jacket body, thereby improving the heat-insulating effect of the port part, ensuring safety and reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1This is a schematic diagram of the overall external structure of the heating furnace jacket of the utility model;

[0017] Figure 2 This is a schematic diagram of the external structure of the internal heating hole of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal cutaway structure of the furnace jacket body of the utility model;

[0019] Figure 4 It is a schematic diagram of the internal structure of the internal heating hole of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the inner heat insulation layer of the furnace jacket body of the utility model.

[0021] In the figure: 1. furnace jacket body; 2. inner heating hole; 3. heating metal rod; 4. electromagnetic heating coil; 5. heat-conducting column; 6. top insulation ring; 7. top lifting ring; 8. furnace jacket fixings; 9. inner insulation layer; 10. outer reinforcement hoop; 11. bottom insulation ring; 12. bottom lifting ring. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a powder metallurgy heating furnace jacket is provided.

[0024] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4 As shown, according to the embodiment of the utility model, the powder metallurgy heating furnace sleeve includes a furnace sleeve body 1, the interior of the furnace sleeve body 1 is a hollow structure design, the thickness of the furnace sleeve body 1 is between 50-70mm, and a plurality of internal heating holes 2 are opened inside the furnace sleeve body 1. The plurality of internal heating holes 2 are distributed in a circle with equal spacing through the center point of the furnace sleeve body 1, and the number of the internal heating holes 2 is not less than six. A heating metal rod 3 is fixedly installed inside each internal heating hole 2, and an electromagnetic heating coil 4 is wound around the outside of each heating metal rod 3. A plurality of linear and evenly spaced heat-conducting columns 5 are fixedly installed on the outer wall of each heating metal rod 3, and the end of the heat-conducting column 5 away from the heating metal rod 3 is arranged to pass through the inner wall of the furnace sleeve body 1, and the protruding length of the heating metal rod 3 is between 20-30mm.

[0025] In one embodiment, an inner heat insulation layer 9 is provided inside the furnace jacket body 1 and at the outer circle of the inner heating hole 2, and the thickness of the inner heat insulation layer 9 is between 10-20 mm.

[0026] In one embodiment, a plurality of outer reinforcing hoops 10 which are evenly spaced and linearly distributed vertically are provided on the outside of the furnace jacket body 1. The outer reinforcing hoops 10 are fixedly connected to the furnace jacket body 1, and the number of the outer reinforcing hoops 10 is not less than five.

[0027] In one embodiment, a top heat insulation ring 6 is fixedly installed on the top of the furnace jacket body 1 , and a top lifting ring 7 is fixedly installed on the upper surface of the top heat insulation ring 6 .

[0028] In one embodiment, a bottom heat insulating ring 11 is fixedly mounted on the bottom end of the furnace jacket body 1 , and a bottom lifting ring 12 is fixedly mounted on the lower surface of the bottom heat insulating ring 11 .

[0029] In one embodiment, furnace jacket fixing members 8 are fixedly mounted on the outer walls of the bottom lifting ring 12 and the top lifting ring 7 , and the furnace jacket fixing members 8 are distributed in a ring shape with equal intervals through the center point of the furnace jacket body 1 .

[0030] Working principle: The utility model is provided with a plurality of circumferentially distributed inner heating holes 2 inside the furnace jacket body 1, and a heating metal rod 3 is installed inside the inner heating hole 2, and an electromagnetic heating coil 4 is wound around the outside of the heating metal rod 3. When the furnace jacket needs to be heated, a plurality of electromagnetic heating coils 4 can be energized at the same time, and the electromagnetic heating coils 4 heat the heating metal rod 3 by electromagnetic effect after being energized;

[0031] The heat of the heated metal rod 3 can be conducted through a plurality of heat-conducting columns 5, so that the inside of the furnace jacket body 1 can be effectively heated. Since the heating structure is arranged as a ring-shaped structure with equal spacing and a plurality of linear vertical heat-conducting columns 5 are arranged, the furnace jacket of the utility model has a more uniform heating effect in actual use, so that the internal material can be heated more evenly, and the situation of incomplete heating can be avoided, so as to effectively improve the smelting effect and efficiency and ensure the product quality of powder metallurgy.

[0032] The utility model is provided with an inner insulation layer 9 inside the furnace jacket body 1. The inner insulation layer 9 can be used to insulate the internal heat, avoid the safety hazard caused by overheating of the outer wall, and improve the safety of use. At the same time, the top insulation ring 6 and the bottom insulation ring 11 can effectively insulate the port part of the furnace jacket body 1, improve the insulation effect of the port part, ensure safety, and reduce safety hazards.

[0033] To sum up, with the help of the above-mentioned technical scheme of the utility model, the technical problem in the background technology that "the current smelting furnace jacket has different heating effects in various parts, resulting in poor smelting effect, low smelting efficiency, uneven heating, affecting the smelting quality of the product while causing certain energy waste and poor practicality" is solved.

[0034] In the present utility model, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "fixation", "screwing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, ordinary technicians in this field can understand the specific meanings of the above terms in the present utility model according to the specific circumstances. The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Powder metallurgy heating furnace jacket, characterized in that: The invention comprises a furnace jacket body (1), the interior of the furnace jacket body (1) is of hollow structure design, the thickness of the furnace jacket body (1) is between 50-70 mm, a plurality of internal heating holes (2) are opened inside the furnace jacket body (1), the plurality of internal heating holes (2) are distributed at equal intervals in a circle through the center point of the furnace jacket body (1), the number of the internal heating holes (2) is not less than six, a heating metal rod (3) is fixedly installed inside each of the internal heating holes (2), an electromagnetic heating coil (4) is wound around the outside of each of the heating metal rods (3), a plurality of linearly evenly spaced heat-conducting columns (5) are fixedly installed on the outer wall of each of the heating metal rods (3), the heat-conducting columns (5) are arranged to pass through the inner wall of the furnace jacket body (1) at one end away from the heating metal rod (3), and the protruding length of the heating metal rod (3) is between 20-30 mm.

2. The powder metallurgy heating furnace jacket according to claim 1, characterized in that: An inner heat insulation layer (9) is arranged inside the furnace jacket body (1) and on the outer circle of the inner heating hole (2); the thickness of the inner heat insulation layer (9) is between 10 and 20 mm.

3. The powder metallurgy heating furnace jacket according to claim 1, characterized in that: The furnace jacket body (1) is externally sleeved with a plurality of outer reinforcing hoops (10) which are linearly and vertically distributed at equal intervals. The outer reinforcing hoops (10) are fixedly connected to the furnace jacket body (1), and the number of the outer reinforcing hoops (10) is not less than five.

4. The powder metallurgy heating furnace jacket according to claim 1, characterized in that: A top heat insulation ring (6) is fixedly mounted on the top of the furnace jacket body (1), and a top lifting ring (7) is fixedly mounted on the upper surface of the top heat insulation ring (6).

5. The powder metallurgy heating furnace jacket according to claim 1, characterized in that: A bottom heat insulation ring (11) is fixedly mounted on the bottom end of the furnace jacket body (1), and a bottom lifting ring (12) is fixedly mounted on the lower surface of the bottom heat insulation ring (11).

6. The powder metallurgy heating furnace jacket according to claim 5, characterized in that: Furnace jacket fixing parts (8) are fixedly mounted on the outer walls of the bottom lifting ring (12) and the top lifting ring (7), and the furnace jacket fixing parts (8) are distributed in an annular manner at equal intervals through the center point of the furnace jacket body (1).

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