Electric arc furnace top water circulation cooling device

Abstract

The utility model discloses a water circulation cooling device for the top of an electric arc furnace, including a furnace cover body, the upper surface of the furnace cover body is provided with a cycloidal cooling pipe, and the two end portions of the cycloidal cooling pipe are respectively installed with a water inlet flange and a water outlet flange, a heat-conducting silicone gasket is filled between the furnace cover body and the cycloidal cooling pipe, and a clamp is provided on the upper surface of the cycloidal cooling pipe. In the utility model, the water inlet flange and the water outlet flange are connected to an external water pipe. When in use, cooling water is injected into the cycloidal cooling pipe through the water inlet flange. During the circulation process, the cooling water takes away the heat of the furnace cover body, thereby achieving a water-cooling cooling effect, reducing the damage to the furnace cover, and extending the service life of the furnace cover. The provision of the heat-conducting silicone gasket forms a good heat-conducting path between the furnace cover body and the cycloidal cooling pipe, and can fill the gap to ensure the heat-conducting effect, further improving the practicality of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of electric arc furnace equipment, in particular to a water circulation cooling device for an electric arc furnace top. Background Art

[0002] An electric arc furnace is an electric furnace that uses the high temperature generated by the electrode arc to melt ores and metals. The energy is concentrated when the gas discharge is formed, and the temperature in the arc zone is 3000℃. For melting metals, the electric arc furnace is more flexible than other steelmaking furnaces, and can effectively remove impurities such as sulfur and phosphorus. The furnace temperature is easy to control, and the equipment occupies a small area, making it suitable for the melting of high-quality alloy steel.

[0003] The existing technology has the following problems:

[0004] When the furnace temperature of the electric arc furnace reaches about 2500℃, the ordinary furnace cover cannot withstand the high temperature, causing deformation, cracking, etc., seriously affecting production.

[0005] To this end, we proposed an electric arc furnace top water circulation cooling device to solve the above-mentioned drawbacks. Utility Model Content

[0006] The utility model aims to solve the problem in the prior art that the furnace chamber temperature is high, the furnace cover is easily deformed and cracked, and the production is affected, and a water circulation cooling device for the top of an electric arc furnace is proposed.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric arc furnace top water circulation cooling device, comprising a furnace cover body, the upper surface of the furnace cover body is provided with a cyclone cooling pipe, and the two end portions of the cyclone cooling pipe are respectively installed with a water inlet flange and a water outlet flange, a heat-conducting silicone gasket is filled between the furnace cover body and the cyclone cooling pipe, a clamp is provided on the upper surface of the cyclone cooling pipe, and the clamp is connected to the furnace cover body by bolts.

[0008] Preferably, a protective cover is provided on the upper surface of the furnace cover body, a clamping block is provided on the side surface of the protective cover, the clamping block is mounted with a concave seat via a fixing pin, and the concave seat is fixed on the upper surface of the furnace cover body.

[0009] Preferably, the cyclonic cooling tube is made of metallic copper.

[0010] Preferably, the cross section of the cyclonic cooling tube is a semicircular structure.

[0011] Preferably, a hinge seat is provided on the side surface of the furnace cover body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model provides a furnace cover body, a rotary cooling pipe, a thermally conductive silicone gasket, a water inlet flange, a water outlet flange and a clamp, and utilizes the water inlet flange and the water outlet flange to connect with an external water pipe. When in use, cooling water is injected into the rotary cooling pipe through the water inlet flange. During the circulation of the cooling water, the heat of the furnace cover body is taken away, thereby achieving a water-cooling effect, reducing the damage to the furnace cover, and extending the service life of the furnace cover. The provision of the thermally conductive silicone gasket forms a good heat conduction path between the furnace cover body and the rotary cooling pipe, and can fill the gap to ensure the heat conduction effect, thereby further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0015] Figure 1 This is a schematic diagram of the structure of the water circulation cooling device for the top of an electric arc furnace proposed by the utility model;

[0016] Figure 2 A schematic diagram of the internal structure of the protective cover of the electric arc furnace top water circulation cooling device proposed by the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of the cyclone cooling pipe of the electric arc furnace top water circulation cooling device.

[0018] Legend:

[0019] 1. Furnace cover body; 2. Rotary cooling pipe; 3. Thermal conductive silicone gasket; 4. Water inlet flange; 5. Water outlet flange; 6. Clamp; 7. Articulated seat; 8. Concave seat; 9. Block; 10. Protective cover. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0021] Please refer to Figure 1-3 The water circulation cooling device for the top of an electric arc furnace comprises a furnace cover body 1, a swirling cooling pipe 2 is arranged on the upper surface of the furnace cover body 1, and a water inlet flange 4 and a water outlet flange 5 are respectively installed at both ends of the swirling cooling pipe 2, a heat-conducting glue 3 is filled between the furnace cover body 1 and the swirling cooling pipe 2, a clamp 6 is arranged on the upper surface of the swirling cooling pipe 2, and the clamp 6 is connected to the furnace cover body 1 by bolts.

[0022] In this embodiment: the water inlet flange 4 and the water outlet flange 5 are connected to the external water pipe. When in use, cooling water is injected into the rotary cooling pipe 2 through the water inlet flange 4. During the circulation of the cooling water, the heat of the furnace cover body 1 is taken away, thereby achieving a water-cooling effect, reducing the damage to the furnace cover, and extending the service life of the furnace cover. The setting of the thermal conductive silicone gasket forms a good heat conduction path between the furnace cover body 1 and the rotary cooling pipe 2, and can fill the gap to ensure the heat conduction effect, thereby further improving the practicability of the device.

[0023] Specifically, a protective cover 10 is disposed on the upper surface of the furnace cover body 1 , a clamping block 9 is disposed on the side surface of the protective cover 10 , and the clamping block 9 is installed with a concave seat 8 through a fixing pin, and the concave seat 8 is fixed on the upper surface of the furnace cover body 1 .

[0024] In this embodiment, the protective cover 10 is provided to protect the cyclone cooling tube 2 to avoid accidental damage to the cyclone cooling tube 2.

[0025] Specifically, the cyclonic cooling tube 2 is made of metallic copper.

[0026] This embodiment has the advantages of good thermal conductivity and low production cost.

[0027] Specifically, the cross section of the cyclonic cooling tube 2 is a semicircular structure.

[0028] In this embodiment: the rotary cooling pipe 2 can contact the furnace cover body 1 to the greatest extent, thereby taking away the heat on the surface of the furnace cover body 1 to the greatest extent.

[0029] Specifically, a hinge seat 7 is provided on the side surface of the furnace cover body 1 .

[0030] In this embodiment, the hinge seat 7 is provided to facilitate hinged installation with the electric arc furnace.

[0031] Working principle: Use the water inlet flange 4 and the water outlet flange 5 to connect with the external water pipe. When in use, inject cooling water into the rotary cooling pipe 2 through the water inlet flange 4. During the circulation of the cooling water, the heat of the furnace cover body 1 is taken away, thereby achieving the water cooling effect, reducing the damage of the furnace cover, and extending the service life of the furnace cover. The setting of the thermal conductive silicone gasket forms a good heat conduction path between the furnace cover body 1 and the rotary cooling pipe 2, and can fill the gap to ensure the heat conduction effect, further improving the practicability of the device.

[0032] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A water circulation cooling device for an electric arc furnace top, comprising a furnace cover body (1), characterized in that: A cyclonic cooling pipe (2) is arranged on the upper surface of the furnace cover body (1), and a water inlet flange (4) and a water outlet flange (5) are respectively installed at both ends of the cyclonic cooling pipe (2), a heat-conducting silicone gasket (3) is filled between the furnace cover body (1) and the cyclonic cooling pipe (2), a clamp (6) is arranged on the upper surface of the cyclonic cooling pipe (2), and the clamp (6) is connected to the furnace cover body (1) by bolts.

2. The electric arc furnace top water circulation cooling device according to claim 1 is characterized in that: The upper surface of the furnace cover body (1) is provided with a protective cover (10), the side surface of the protective cover (10) is provided with a clamping block (9), the clamping block (9) is installed with a concave seat (8) through a fixing pin, and the concave seat (8) is fixed on the upper surface of the furnace cover body (1).

3. The electric arc furnace top water circulation cooling device according to claim 1, characterized in that: The cyclonic cooling tube (2) is made of metallic copper.

4. The electric arc furnace top water circulation cooling device according to claim 1, characterized in that: The cross section of the cyclonic cooling tube (2) is a semicircular structure.

5. The electric arc furnace top water circulation cooling device according to claim 1, characterized in that: A hinge seat (7) is provided on the side surface of the furnace cover body (1).

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