VD furnace shielding cover

Abstract

The utility model discloses a VD furnace shielding cover, and belongs to the technical field of shielding covers. Comprising a high-temperature-resistant furnace cover, a heat insulation protection layer is arranged at the top end of the high-temperature-resistant furnace cover, multiple sets of rope hanging bases are annularly arranged at the top end of the high-temperature-resistant furnace cover, a containing groove is annularly formed in the bottom end of the high-temperature-resistant furnace cover, a supporting spring is arranged in the containing groove, and a connecting base is arranged in the containing groove; and the bottom end of the supporting spring is fixedly connected with the top end of a connecting base, a sealing gasket is arranged at the bottom end of the connecting base, and the sealing gasket is matched with the interior of the containing groove. The sealing gasket is embedded into the containing groove, so that the sealing gasket can stretch out and draw back, the sealing gasket can be better sealed with the top end of the furnace body, and high temperature in the furnace can be better isolated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shielding cover, especially to a VD furnace shielding cover. BACKGROUND

[0002] VD furnace is a kind of vacuum degassing furnace, is used to the treatment of molten steel, when treating molten steel, need shielding cover on the top end cover of furnace body, can avoid high temperature extension to the outside, simultaneously avoid high-temperature molten iron splashing to the outside.

[0003] And the structure of the existing shielding cover is usually relatively simple, the traditional steel shielding cover is made as a whole, after repeated use in high-temperature environment, steel expands under the action of heat and contraction under the action of cold, and plastic deformation is prone to occur, after deformation, the sealing between cover body and furnace body changes, and then the shielding effect of high temperature is affected, therefore, we propose a kind of VD furnace shielding cover to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings of prior art in the background art, and provides a kind of VD furnace shielding cover.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of VD furnace shielding cover, including high temperature resistant furnace cover, the top of the high temperature resistant furnace cover is provided with heat insulation protective layer, the top of the high temperature resistant furnace cover is annularly provided with multiple groups of rope hangers, the bottom of the high temperature resistant furnace cover is annularly provided with placing groove, the inside of the placing groove is provided with supporting spring, the inside of the placing groove is provided with connecting seat, the bottom of the supporting spring is fixedly connected with the top of connecting seat, the bottom of the connecting seat is provided with sealing washer, the sealing washer and the inside of placing groove are mutually adapted;

[0007] Sealing washer can have a certain activity space, so that sealing washer can better adhere to the top of furnace body under the action of supporting spring, so that it does not affect the sealing effect when it deforms, and then the heat insulation effect is better.

[0008] Preferably, the top of the high temperature resistant furnace cover is provided with mounting cavity, the inside of the mounting cavity is provided with water cooling pipe, the water cooling pipe is spirally located in the inside of mounting cavity, both ends of the water cooling pipe extend to outside through heat insulation protective layer;

[0009] Cooling liquid can flow in the inside of water cooling pipe, so that the high temperature resistant furnace cover has better heat dissipation effect, and the service life of the high temperature resistant furnace cover can be prolonged.

[0010] Preferably, the top end of the heat insulation protection layer is provided with a water storage tank, both ends of the water cooling pipe extend into the interior of the water storage tank, and the top end side of the water storage tank is provided with a water inlet;

[0011] The cooling liquid can be injected into the interior of the water storage tank through the water inlet, so that the replacement of the cooling liquid in the interior of the water storage tank can be completed.

[0012] Preferably, the interior of the water storage tank is provided with a micro water pump, and the output end of the micro water pump is connected with the water cooling pipe.

[0013] The micro water pump can drive the cooling liquid in the interior of the water storage tank to flow, so that the cooling liquid enters through one end of the water cooling pipe and flows out to the interior of the water storage tank through the other end of the water cooling pipe after circulating in the water cooling pipe.

[0014] Preferably, a heat dissipation copper pipe is inserted into the top end of the water storage tank and extends into the interior of the water storage tank.

[0015] The heat dissipation copper pipe can be in contact with the cooling liquid in the interior of the water storage tank, so that the heat absorbed by the cooling liquid is communicated with the outside, and the heat dissipation of the cooling liquid can be completed, so that the cooling liquid can be better heat dissipated.

[0016] Preferably, the top end of the water storage tank is provided with two groups of heat dissipation fans, and the heat dissipation fans are in contact with the top end of the heat dissipation copper pipe.

[0017] The top end of the heat dissipation copper pipe is connected with the heat dissipation fan, so that the heat dissipation fan forms an air flow, and the heat dissipation of the cooling liquid can be better completed.

[0018] Preferably, the bottom end of the high-temperature-resistant furnace cover is provided with carbon steel.

[0019] The high temperature of the VD furnace can be better borne, and the time of deformation of the shielding cover due to high temperature can be slowed down.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] 1. The sealing gasket can be embedded into the interior of the placing groove, so that the sealing gasket can be stretched and contracted, the sealing gasket can better seal the top end of the furnace body, and the high temperature in the furnace can be better insulated.

[0022] 2. The micro water pump can drive the cooling liquid in the interior of the water storage tank to enter the interior of the water cooling pipe and circulate, so that the high-temperature-resistant furnace cover can better have the heat insulation effect, the service life of the high-temperature-resistant furnace cover is prolonged, and the use effect of the high-temperature-resistant furnace cover is better. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A three-dimensional structure schematic diagram of a VD furnace shielding cover is provided in the utility model;

[0024] Figure 2 For Figure 1 The separated structure schematic diagram of the bottom view;

[0025] Figure 3 For Figure 1 The front view cross-section structure schematic diagram of the high-temperature-resistant furnace cover;

[0026] Figure 4 For Figure 3 The structure schematic diagram of the water storage tank.

[0027] In the figure: 1, high-temperature-resistant furnace cover; 2, heat insulation protection layer; 3, rope hanging seat; 4, placing groove; 5, supporting spring; 6, connecting seat; 7, sealing washer; 8, installation cavity; 9, water cooling pipe; 10, water storage tank; 11, micro water pump; 12, water inlet; 13, heat dissipation fan; 14, heat dissipation copper pipe. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0029] Referring to Figures 1-4The VD furnace shielding cover is characterized in that a heat insulation protective layer 2 is fixedly installed on the top end of the high-temperature-resistant furnace cover 1, the top surface of the heat insulation protective layer 2 is arc-shaped, three groups of rope hangers 3 are fixedly installed around the top end of the heat insulation protective layer 2, the rope hangers 3 can be connected with ropes to complete hoisting of the high-temperature-resistant furnace cover 1, the heat insulation protective layer 2 is made of stainless steel, the heat insulation protective layer 2 is made of ceramic fiber, a carbon steel is installed at the bottom end of the heat insulation protective layer 2 for protection, an installation cavity 8 is formed at the interlayer position between the high-temperature-resistant furnace cover 1 and the heat insulation protective layer 2, a water cooling pipe 9 is placed in the installation cavity 8, the water cooling pipe 9 is spirally arranged in the water cooling pipe 9, both ends of the water cooling pipe 9 extend to the outside through the heat insulation protective layer 2, a water storage tank 10 is fixedly installed on the top end of the heat insulation protective layer 2, both ends of the water cooling pipe 9 extend into the water storage tank 10 and are in communication with the water storage tank 10, a water inlet 12 is fixedly installed on the top side of the water storage tank 10, the cooling liquid can be injected into the water storage tank 10 through the water inlet 12, a micro water pump 11 is fixedly installed in the water storage tank 10, the output end of the micro water pump 11 is in communication with one end of the water cooling pipe 9, a heat dissipation fan 13 is installed above the water storage tank 10, a heat dissipation copper pipe 14 is fixedly installed on the bottom end of the heat dissipation fan 13, the bottom end of the heat dissipation copper pipe 14 extends into the water storage tank 10 through the water storage tank 10, the heat dissipation fan 13 and the water storage tank 10 have a certain gap at the top end, so that the wind power can enter the gap to complete the normal work of the heat dissipation fan, the heat dissipation fan 13 and the micro water pump 11 are connected with the external plug through the electric wire, so that the micro water pump 11 and the heat dissipation fan 13 can work through the circuit connection of the plug and the external socket.

[0030] Specifically, the water storage tank 10 in the embodiment is described with reference to Figure 3 and Figure 4 , a placing groove 4 is formed at the bottom end of the high-temperature-resistant furnace cover 1, a plurality of support springs 5 are installed in the placing groove 4, a connecting seat 6 is also placed in the placing groove 4, the bottom end of the support spring 5 is fixedly connected with the connecting seat 6, a sealing gasket 7 is bonded to the bottom end of the connecting seat 6, the sealing gasket 7 can be embedded in the placing groove 4, the sealing gasket is made of zirconia fiber material and can withstand a high temperature of 2,000 degrees, which meets the actual use of the product.

[0031] In the utility model, the installation mode, connection mode or setting mode of all the components described above are common mechanical modes, and the specific structure, model and coefficient index of all the components are self-contained technologies, as long as the beneficial effects can be achieved, implementation can be carried out, therefore, no more description is made.

[0032] The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement mode, which is included in the protection scope of the present application.

[0033] In the present application, under the condition of no opposite description, the orientation words such as up, down, left, right, front, back, inside, outside and vertical and horizontal contained in the terms only represent the orientation of the terms in the conventional use state, or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the terms, at the same time, the ordinal terms such as first, second and third do not represent the specific quantity and order, but are only used for the differentiation of the name, and the terms "include", "contain" or any other variant thereof are intended to cover the non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

Claims

1. A VD furnace shielding cover, comprising a high-temperature resistant furnace cover (1), characterized in that, The top of the high-temperature resistant furnace cover (1) is provided with a heat insulation protective layer (2). The top of the high-temperature resistant furnace cover (1) is provided with multiple sets of rope hanging seats (3) in a ring. The bottom of the high-temperature resistant furnace cover (1) is provided with a placement groove (4) in a ring. The placement groove (4) is provided with a support spring (5). The placement groove (4) is provided with a connecting seat (6). The bottom of the support spring (5) is fixedly connected to the top of the connecting seat (6). The bottom of the connecting seat (6) is provided with a sealing gasket (7). The sealing gasket (7) is compatible with the interior of the placement groove (4).

2. The VD furnace shielding cover according to claim 1, characterized in that, The top of the high-temperature furnace cover (1) is provided with an installation cavity (8), and a water-cooling pipe (9) is provided inside the installation cavity (8). The water-cooling pipe (9) is coiled inside the installation cavity (8), and both ends of the water-cooling pipe (9) extend through the heat insulation protective layer (2) to the outside.

3. A VD furnace shielding cover according to claim 2, characterized in that, The top of the heat insulation layer (2) is provided with a water storage tank (10), and both ends of the water cooling pipe (9) extend into the interior of the water storage tank (10). The top side of the water storage tank (10) is provided with a water outlet (12).

4. A VD furnace shielding cover according to claim 3, characterized in that, The water storage tank (10) is equipped with a micro water pump (11), and the output end of the micro water pump (11) is connected to the water cooling pipe (9).

5. A VD furnace shielding cover according to claim 4, characterized in that, A heat dissipation copper pipe (14) is inserted at the top of the water storage tank (10), and the heat dissipation copper pipe (14) extends into the interior of the water storage tank (10).

6. A VD furnace shielding cover according to claim 5, characterized in that, The top of the water tank (10) is equipped with two sets of cooling fans (13), and the top of the cooling fans (13) is in contact with the top of the cooling copper pipe (14).

7. A VD furnace shielding cover according to claim 1, characterized in that, The bottom of the high-temperature resistant furnace cover (1) is provided with carbon steel.

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