Smelting furnace opening and closing furnace cover

Abstract

The utility model relates to an opening and closing furnace cover of a smelting furnace, which comprises a furnace cover arranged at the top of a smelting furnace body, a vertical connecting rod connected to the middle of the top of the furnace cover, a horizontal connecting rod arranged on one side of the vertical connecting rod, a supporting plate arranged on the side wall of the smelting furnace body, a rotating motor fixed on the supporting plate, and a rotating shaft top of the rotating motor connected with the bottom of the horizontal connecting rod. A supporting frame is installed on the upper surface of the supporting plate, the upper surface of the supporting frame is flush with the ground of the furnace cover, a horizontal plate is arranged on the side wall, opposite to the supporting plate, of the smelting furnace body, a telescopic air cylinder is installed on the horizontal plate, a pressing block is connected to the top of a piston rod of the telescopic air cylinder, and the pressing block tightly presses the top of the furnace cover. The furnace cover can be driven by the rotating motor to rotate to be opened and closed, the opened furnace cover can be supported by the supporting frame, deformation of the furnace cover can be avoided, the rotating shaft and the horizontal connecting rod can be protected, and the service life of the furnace cover, the rotating shaft and the horizontal connecting rod can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting furnaces, in particular to an opening and closing furnace cover for a smelting furnace. Background Art

[0002] The furnace cover of a smelting furnace needs to be opened by using a motor or the like to facilitate injecting raw materials into the heating crucible inside the smelting furnace. After the furnace cover is opened, it is generally in a suspended state. After long-term use, it is easy to cause deformation of the supporting parts connected thereto, affecting the service life of the overall components. Summary of the Utility Model

[0003] The utility model aims to solve the deficiencies of the prior art and provides an opening and closing furnace cover for a smelting furnace.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] An opening and closing furnace cover for a smelting furnace, comprising a furnace cover arranged on the top of a smelting furnace body. A vertical connecting rod is connected to the middle position of the top of the furnace cover. A horizontal connecting rod is arranged on one side of the vertical connecting rod. A support plate is arranged on the side wall of the smelting furnace body. A rotating motor is fixed on the support plate. The top of the rotating shaft of the rotating motor is connected to the bottom of the horizontal connecting rod. A support frame is installed on the upper surface of the support plate. The upper surface of the support frame is flush with the ground of the furnace cover. A horizontal plate is arranged on the side wall of the smelting furnace body opposite to the support plate. A telescopic cylinder is installed on the horizontal plate. The top of the piston rod of the telescopic cylinder is connected to a pressing block, and the pressing block presses tightly on the top of the furnace cover.

[0006] The support frame includes a vertical support rod fixed on the support plate. A horizontal support rod is arranged on one side of the top of the vertical support rod.

[0007] A reinforcing diagonal brace is arranged between the horizontal support rod and the vertical support rod.

[0008] A cooling cavity is arranged inside the furnace cover. Water inlets and outlets communicated with the cooling cavity are arranged at both ends of the top of the furnace cover.

[0009] A plurality of baffles arranged in a staggered manner up and down are arranged in the cooling cavity.

[0010] A heat insulation and reflection coating is arranged at the bottom of the furnace cover.

[0011] A sealing gasket is arranged on the contact end face between the bottom of the furnace cover and the flange of the smelting furnace body.

[0012] The beneficial effects of the utility model are as follows: The utility model can drive the furnace cover to rotate and open and close by using a rotating motor. The opened furnace cover can be supported by a support frame, which can avoid deformation and can also protect the rotating shaft and the horizontal connecting rod, helping to extend the service lives of the furnace cover, the rotating shaft and the horizontal connecting rod. Description of the Drawings

[0013] Figure 1 This is a schematic structural view when the furnace lid of the present utility model is closed;

[0014] Figure 2 This is a schematic structural view when the furnace lid is opened;

[0015] In the figure: 1 - furnace lid; 2 - vertical connecting rod; 3 - horizontal connecting rod; 4 - support plate; 5 - rotating motor; 6 - rotating shaft; 7 - support frame; 8 - horizontal plate; 9 - telescopic cylinder; 10 - piston rod; 11 - pressing block; 12 - stop block; 13 - cooling cavity; 14 - water inlet; 15 - water outlet; 16 - baffle; 17 - heat insulation and reflection coating; 18 - melting furnace body;

[0016] 71 - vertical support rod; 72 - horizontal support rod; 73 - reinforcing diagonal brace;

[0017] The following will describe in detail with reference to the accompanying drawings in combination with the embodiments of the present utility model. Specific embodiments

[0018] The following describes the principles and features of the present utility model with reference to the accompanying drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model. In the following paragraphs, the present utility model will be described more specifically by way of example with reference to the accompanying drawings. According to the following description, the advantages and features of the present utility model will be clearer. It should be noted that the accompanying drawings are all in a very simplified form and use non - precise scales, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present utility model.

[0019] It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used herein in the specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0021] The following further illustrates the present utility model in conjunction with the accompanying drawings and embodiments:

[0022] As shown Figure 1 in the figure, a melting furnace opening and closing furnace cover includes a furnace cover 1, a vertical connecting rod 2, a horizontal connecting rod 3, a support plate 4, a rotating motor 5, a rotating shaft 6, a support frame 7, a horizontal plate 8, a telescopic cylinder 9, a piston rod 10, a pressing block 11, a stop block 12, a cooling cavity 13, a water inlet 14, a water outlet 15, a baffle 16 and a heat insulation and reflection coating 17.

[0023] The furnace cover 1 is arranged on the top of the melting furnace body 18. A vertical connecting rod 2 is connected to the middle position of the top of the furnace cover 1. A horizontal connecting rod 3 is arranged on one side of the vertical connecting rod 2. A support plate 4 is arranged on the side wall of the melting furnace body 18. A rotating motor 5 is fixed on the support plate 4. The top of the rotating shaft 6 of the rotating motor 5 is connected to the bottom of the horizontal connecting rod 3. The upper surface of the support plate 4 is provided with a support frame 7. The upper surface of the support frame 7 is flush with the ground of the furnace cover 1.

[0024] The utility model can drive the furnace cover 1 to rotate and open / close by using the rotating motor 5. The opened furnace cover 1 can be supported by the support frame 7. As Figure 2 shown in the figure, it can avoid the situation of deformation, and can also protect the rotating shaft 6 and the horizontal connecting rod 3, which helps to extend the service life of the furnace cover 1, the rotating shaft 6 and the horizontal connecting rod 3.

[0025] The specific structure of the support frame 7 is as follows: The support frame 7 includes a vertical support rod 71 fixed on the support plate 4. A horizontal support rod 72 is arranged on one side of the top of the vertical support rod 71. A reinforcing diagonal brace 73 is arranged between the horizontal support rod 72 and the vertical support rod 71.

[0026] A horizontal plate 8 is arranged on the side wall of the melting furnace body 18 opposite to the support plate 4. A telescopic cylinder 9 is installed on the horizontal plate 8. The top of the piston rod 10 of the telescopic cylinder 9 is connected to a pressing block 11. The pressing block 11 presses against the top of the furnace cover 1.

[0027] A stop block 12 is arranged on the side wall of the rotating shaft 6. The stop block 12 is arranged on the top of the furnace cover 1.

[0028] The furnace cover 1 can be pressed by the pressing block 11 and the stop block 12 to form a better seal.

[0029] Meanwhile, a sealing gasket is arranged on the contact end face of the flange of the bottom of the furnace cover 1 and the melting furnace body 18.

[0030] A cooling cavity 13 is arranged inside the furnace cover 1. A water inlet 14 and a water outlet 15 communicating with the cooling cavity 13 are arranged at both ends of the top of the furnace cover 1. The cooling cavity 13 can continuously cool and protect the furnace cover 1 through the circulation of cooling water.

[0031] A number of baffles 16 are arranged in the cooling cavity 13 in a staggered up and down manner. The baffles 16 extend the circulation path of the cooling water.

[0032] The bottom of the furnace cover 1 is provided with a heat insulation and reflection coating 17, which can insulate the furnace cover 1 and avoid the influence of the heat inside the smelting furnace body 18 on the furnace cover 1, thus prolonging the service life of the furnace cover 1.

[0033] The above has described the present utility model by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. A smelting furnace cover opening and closing device, characterized in that: The invention comprises a furnace cover (1) arranged on the top of a smelting furnace body (18), a vertical connecting rod (2) being connected to the middle position of the top of the furnace cover (1), a horizontal connecting rod (3) being arranged on one side of the vertical connecting rod (2), a support plate (4) being arranged on the side wall of the smelting furnace body (18), a rotating motor (5) being fixed on the support plate (4), the top of a rotating shaft (6) of the rotating motor (5) being connected to the bottom of the horizontal connecting rod (3), a support frame (7) being installed on the upper surface of the support plate (4), the upper surface of the support frame (7) being arranged flush with the ground of the furnace cover (1), a horizontal plate (8) being arranged on the side wall of the smelting furnace body (18) opposite to the support plate (4), a telescopic cylinder (9) being installed on the horizontal plate (8), a pressing block (11) being connected to the top of a piston rod (10) of the telescopic cylinder (9), and the pressing block (11) being pressed tightly against the top of the furnace cover (1).

2. The smelting furnace cover opening and closing device according to claim 1, characterized in that: The support frame (7) comprises a vertical support rod (71) fixed on the support plate (4), and a horizontal support rod (72) is provided on one side of the top of the vertical support rod (71).

3. The smelting furnace cover opening and closing device according to claim 2, characterized in that: A reinforcing diagonal brace (73) is provided between the horizontal support rod (72) and the vertical support rod (71).

4. The smelting furnace cover opening and closing device according to claim 3 is characterized in that: A stopper (12) is provided on the side wall of the rotating shaft (6), and the stopper (12) is arranged on the top of the furnace cover (1).

5. The smelting furnace cover opening and closing device according to claim 4 is characterized in that: A cooling cavity (13) is provided inside the furnace cover (1), and a water inlet (14) and a water outlet (15) communicating with the cooling cavity (13) are provided at two ends of the top of the furnace cover (1).

6. The smelting furnace cover opening and closing device according to claim 5, characterized in that: A plurality of baffles (16) arranged in an up-and-down staggered manner are arranged in the cooling cavity (13).

7. The smelting furnace cover opening and closing device according to claim 6, characterized in that: The bottom of the furnace cover (1) is provided with a heat-insulating reflective coating (17).

8. The smelting furnace cover opening and closing device according to claim 7, characterized in that: A sealing gasket is provided on the contact end surface between the bottom of the furnace cover (1) and the flange of the smelting furnace body (18).

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