Automatic batching system of slab refining furnace

Abstract

The utility model relates to the related technical field of refining furnaces, and provides an automatic batching system of a slab refining furnace, which comprises a smelting furnace and a top cover, the top cover is arranged at the top of the smelting furnace, a quantitative feeding component is arranged at the top of the smelting furnace, a gas collecting component is arranged on the outer side of the top cover, and a sealing component is arranged at the top of the top cover and the top of the smelting furnace. The telescopic cylinders are arranged on the surfaces of the two sides of the smelting furnace correspondingly, the output ends of the telescopic cylinders are connected with a movable frame, and a plurality of weighing modules are arranged on the top of the movable frame. According to the technical scheme, the problems that in the prior art, when refining raw materials are added into an existing refining furnace, the specified weight is weighed on a weighing device in advance, then the materials are added in a pouring mode, time and labor are wasted in the process, and the machining efficiency of the refining furnace is affected to a certain degree are solved.

Description

Technical Field

[0001] The utility model relates to the technical field related to refining furnaces, and in particular to an automatic batching system for a slab refining furnace. Background Art

[0002] A refining furnace is a type of smelting equipment in the hot working industry, primarily used for final deoxidation and alloying of molten steel in ferrous metallurgy. Refining furnaces are classified according to their specific smelting objectives, with common types including argon-blown refining furnaces and LF refining furnaces. The LF refining furnace is the primary off-furnace refining equipment in steel production. It utilizes three electrodes for heating and white slag for refining. It features simple equipment, low investment costs, flexible operation, and excellent refining results. Through arc heating, a reducing atmosphere within the furnace, white slag refining, and gas agitation, the LF refining furnace enhances the thermodynamic and kinetic conditions of metallurgical reactions, achieving deoxidation, desulfurization, alloying, and temperature elevation in the molten steel within a short period of time. This ensures accurate molten steel composition, uniform temperature, and sufficient inclusion removal and purification. It also coordinates the steelmaking and continuous casting processes to ensure continuous casting from multiple furnaces.

[0003] When adding refined raw materials to the current refining furnace, most of them are weighed on a weighing device in advance and then added by pouring. This process is time-consuming and labor-intensive, and has a certain impact on the processing efficiency of the refining furnace.

[0004] Therefore, in view of this, an automatic batching system for a slab refining furnace is provided to improve the above situation. Utility Model Content

[0005] The utility model proposes an automatic batching system for a slab refining furnace, which solves the problem in the related art that when adding refined raw materials to the existing refining furnace, most of them are pre-weighed on a weighing device and then added by pouring. This process is relatively time-consuming and labor-intensive, and has a certain impact on the processing efficiency of the refining furnace.

[0006] The technical solution of the utility model is as follows:

[0007] A smelting furnace and a top cover, wherein the top cover is arranged on the top of the smelting furnace;

[0008] A quantitative feeding component, the quantitative feeding component is arranged on the top of the smelting furnace;

[0009] A gas collecting assembly, the gas collecting assembly being arranged outside the top cover;

[0010] A closing assembly, the closing assembly being arranged on the top cover and the top of the smelting furnace;

[0011] The quantitative feeding assembly includes a pair of telescopic cylinders, which are respectively arranged on the two side surfaces of the smelting furnace. The output ends of the telescopic cylinders are connected to a mobile frame, and a plurality of weighing modules are arranged on the top of the mobile frame.

[0012] As a further technical solution, the upper end of the mobile frame is telescopically and slidably connected to a pair of columns, the upper ends of the columns are connected to a support frame, and the bottom of the support frame is attached to the upper end of the weighing module.

[0013] As a further technical solution, the upper end of the support frame is rotatably connected to a feed hopper via a pin shaft, an extension frame is provided on the side surface of the support frame, and one end of the extension frame is rotatably connected to a hydraulic cylinder via a pin shaft.

[0014] As a further technical solution, the output end of the hydraulic cylinder is connected to a bracket, which is rotatably connected to both sides of the bottom of the feed hopper through a pin shaft. A support platform is provided on the side surface of the smelting furnace, and a certain distance is left between the support platform and the lower end surface of the support frame.

[0015] As a further technical solution, the closing assembly includes a side baffle, which is rotatably connected to the top of the smelting furnace. The side baffle is rotated by a motor. A second cylinder is provided on both side surfaces of the top cover. A top cover is slidably connected to the top of the top cover, and the top cover is sealed and fitted to the upper end surface of the top cover.

[0016] As a further technical solution, the gas collection component includes a suction device, which is arranged on the top of the smelting furnace. A gas collection hood is provided on the side surface of the top cover, which is connected to the inside of the top cover and connected to the output end of the suction device.

[0017] As a further technical solution, a third cylinder is provided on both sides of the smelting furnace, and a pushing frame is provided at the output end of the third cylinder.

[0018] As a further technical solution, one side surface of the feed hopper is an inclined structural surface.

[0019] As a further technical solution, the movable frame and the supporting frame are both L-shaped structures.

[0020] As a further technical solution, the bottom of the smelting furnace is an inclined structure, and a discharge port is provided on one side of the smelting furnace.

[0021] The working principle and beneficial effects of the utility model are as follows:

[0022] 1. The utility model is provided with a quantitative feeding component. Through the interaction of the telescopic cylinder, the mobile frame, the weighing module, the support frame and the feed hopper and other structures, each proportion of materials can be weighed separately through the feed hopper. After reaching the quantitative amount, it can be turned over and put into the melting furnace, which can achieve a good quantitative effect of ingredients and effectively save manpower for weighing operation.

[0023] 2. The utility model is provided with an air collecting assembly. Through the interaction of the suction equipment and the air collecting hood and other structures, the suction can be continuously maintained during the batching process to prevent the odor from being emitted to the outside, and the odor can be discharged after purification. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0025] Figure 1 This is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is the axonometric drawing of the utility model;

[0027] Figure 3 This is an axonometric sectional view of the utility model;

[0028] Figure 4 For this utility model Figure 2 A partial enlarged view of part A;

[0029] In the figure: 1. Melting furnace; 2. Top cover; 3. Quantitative feeding assembly; 3-1. Telescopic cylinder; 3-2. Moving frame; 3-3. Weighing module; 3-4. Column; 3-5. Support frame; 3-6. Feed hopper; 3-7. Extension frame; 3-8. Hydraulic cylinder; 3-9. Bracket; 3-10. Support table; 4. Closing assembly; 4-1. Side baffle; 4-2. Second cylinder; 4-3. Top cover; 5. Gas collecting assembly; 5-1. Suction equipment; 5-2. Gas collecting hood; 6. Third cylinder; 7. Push frame; 8. Discharge outlet. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] like Figures 1 to 4 As shown, this embodiment proposes an automatic batching system for a slab refining furnace, including

[0032] A smelting furnace 1 and a top cover 2, wherein the top cover 2 is arranged on the top of the smelting furnace 1;

[0033] The quantitative feeding component 3 is arranged on the top of the smelting furnace 1;

[0034] The gas collecting assembly 5 is arranged outside the top cover 2;

[0035] The closing assembly 4 is arranged on the top of the top cover 2 and the top of the smelting furnace 1;

[0036] The quantitative feeding assembly 3 includes a pair of telescopic cylinders 3-1, which are respectively arranged on both side surfaces of the smelting furnace 1, and the output end of the telescopic cylinder 3-1 is connected to a mobile frame 3-2, and a number of weighing modules 3-3 are arranged on the top of the mobile frame 3-2. The upper end of the mobile frame 3-2 is telescopically and slidably connected to a pair of columns 3-4, and the upper end of the column 3-4 is connected to a support frame 3-5. The bottom of the support frame 3-5 is attached to the upper end of the weighing module 3-3, and the upper end of the support frame 3-5 is rotatably connected to the feed hopper 3-6 through a pin shaft. An extension frame 3-7 is provided on the side surface of the support frame 3-5, and one end of the extension frame 3-7 is rotatably connected to a hydraulic cylinder 3-8 through a pin shaft. The output end of the hydraulic cylinder 3-8 is connected to a bracket 3-9, and the bracket 3-9 is rotatably connected to both sides of the bottom of the feed hopper 3-6 through a pin shaft. A support platform 3-10 is provided on the side surface of the smelting furnace 1, and a certain distance is left between the support platform 3-10 and the lower end surface of the support frame 3-5.

[0037] In this embodiment, in order to achieve the effect of weighing and proportioning the ingredients, a quantitative feeding component 3 is designed. Two telescopic cylinders 3-1 are provided on both sides of the smelting furnace 1. The output end of the telescopic cylinder 3-1 is connected to a mobile frame 3-2. The mobile frame 3-2 is slidably fitted with the top of the smelting furnace 1, and a plurality of weighing modules 3-3 are provided on the top of the mobile frame 3-2. Two columns 3-4 are also movably connected. A support frame 3-5 is provided on the upper end of the column 3-4. The support frame 3-5 is fitted on the weighing module 3-3. At the end, when the support frame 3-5 feels the weight, the weight can be detected by the weighing module 3-3. The support frame 3-5 is connected to the feed hopper 3-6 by a pin shaft for feeding materials. The outside of the support frame 3-5 is provided with an extension frame 3-7 and a hydraulic cylinder 3-8. The output end of the hydraulic cylinder 3-8 is provided with an extension frame 3-7 and is connected to the feed hopper 3-6. The feed hopper 3-6 can be pushed upward by the hydraulic cylinder 3-8 to make the feed hopper 3-6 produce an inclined angle to put the material into the smelting furnace 1.

[0038] Furthermore, the closing assembly 4 includes a side baffle 4-1, which is rotatably connected to the top of the smelting furnace 1. The side baffle 4-1 is rotated by a motor. A second cylinder 4-2 is provided on both side surfaces of the top cover 2. A top cover 4-3 is slidably connected to the top of the top cover 2. The top cover 4-3 is sealed and fitted with the upper end surface of the top cover 2.

[0039] In this embodiment, in order to achieve the effect of closing the feed port, a closing component 4 is designed, which is internally connected to a side baffle 4-1 controlled by a motor and can be rotated inward when the feed hopper 3-6 enters without blocking the incoming ingredients. A second cylinder 4-2 is provided on both sides of the outside of the top cover 2, and a top cover 4-3 is slidably connected to the top. The output end of the second cylinder 4-2 is connected to the top cover 4-3, and the top cover 4-3 can be controlled to move outward.

[0040] Furthermore, the gas collecting assembly 5 includes a suction device 5-1, which is arranged on the top of the smelting furnace 1. A gas collecting hood 5-2 is arranged on the side surface of the top cover 2. The gas collecting hood 5-2 is connected to the inside of the top cover 2 and is connected to the output end of the suction device 5-1.

[0041] In this embodiment, in order to achieve the effect of preventing the odor from spreading outward when the smelting furnace 1 is put into operation, a gas collection component 5 is designed. A suction device 5-1 for purifying the gas is installed on the top of the smelting furnace 1, and a gas collection hood 5-2 is provided on the side surface of the top cover 2. The gas collection hood 5-2 is connected to the output end of the suction device 5-1, and can continue to suck when the top cover 4-3 is opened, and discharge after filtering.

[0042] Furthermore, a third cylinder 6 is provided on both sides of the smelting furnace 1 , and a pushing frame 7 is provided at the output end of the third cylinder 6 .

[0043] In this embodiment, by providing the third cylinder 6 and the pushing frame 7, the pushing frame 7 is controlled to continuously move repeatedly inside the smelting furnace 1 to stir the proportioned materials evenly.

[0044] Furthermore, one side surface of the feed hopper 3-6 is an inclined structural surface.

[0045] In this embodiment, the inclined structure facilitates all materials to slide in when the feed hopper 3-6 is tipped over.

[0046] Furthermore, the movable frame 3-2 and the supporting frame 3-5 are both L-shaped structures.

[0047] In this embodiment, the L-shaped structure enables the top to move in coordination and improves the stability of the connection.

[0048] Furthermore, the bottom of the smelting furnace 1 is an inclined structure, and a discharge port 8 is provided on one side of the smelting furnace 1 .

[0049] In this embodiment, the inclined structure facilitates the movement of materials to a lower position, and the materials can be discharged at one time in conjunction with the discharge port 8 .

[0050] When proportioning is required, the materials are poured into the feed hopper 3-6 one by one, and the weight is measured by the weighing module 3-3. When the standard is reached, the telescopic cylinder 3-1 is started to control the movable frame 3-2 to move inward, and the side baffle 4-1 is rotated inward, and the top cover 4-3 is moved outward to open. After reaching the position, the hydraulic cylinder 3-8 is started to push the feed hopper 3-6 upward, and the materials are slid into the smelting furnace 1 at an inclined angle. After all the materials are processed continuously, the feed hopper 3-6 is moved outward, and the side baffle 4-1 and the top cover 4-3 are closed. The third cylinder 6 is started to push the material repeatedly through the pushing frame 7. After meeting the discharge standard, the material can be discharged outward through the discharge port 8.

[0051] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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. An automatic batching system for a slab refining furnace, characterized in that: include A smelting furnace (1) and a top cover (2), wherein the top cover (2) is arranged on the top of the smelting furnace (1); A quantitative feeding assembly (3), the quantitative feeding assembly (3) being arranged on the top of the smelting furnace (1); An air collecting assembly (5), the air collecting assembly (5) being arranged outside the top cover (2); A closing assembly (4), the closing assembly (4) being arranged on the top of the top cover (2) and the top of the smelting furnace (1); The quantitative feeding assembly (3) comprises a pair of telescopic cylinders (3-1), the pair of telescopic cylinders (3-1) being respectively arranged on the surfaces of both sides of the smelting furnace (1), the output ends of the telescopic cylinders (3-1) being connected to a mobile frame (3-2), and a plurality of weighing modules (3-3) being arranged on the top of the mobile frame (3-2).

2. The automatic batching system for a slab refining furnace according to claim 1, characterized in that: The upper end of the movable frame (3-2) is telescopically and slidably connected to a pair of columns (3-4), the upper ends of the columns (3-4) are connected to a support frame (3-5), and the bottom of the support frame (3-5) is attached to the upper end of the weighing module (3-3).

3. The automatic batching system for a slab refining furnace according to claim 2, characterized in that: The upper end of the support frame (3-5) is rotatably connected to a feed hopper (3-6) via a pin shaft, an extension frame (3-7) is provided on the side surface of the support frame (3-5), and one end of the extension frame (3-7) is rotatably connected to a hydraulic cylinder (3-8) via a pin shaft.

4. The automatic batching system for a slab refining furnace according to claim 3, characterized in that: The output end of the hydraulic cylinder (3-8) is connected to a bracket (3-9), and the bracket (3-9) is rotatably connected to both sides of the bottom of the feed hopper (3-6) through a pin shaft. A support platform (3-10) is provided on the side surface of the smelting furnace (1), and a certain distance is left between the support platform (3-10) and the lower end surface of the support frame (3-5).

5. The automatic batching system for a slab refining furnace according to claim 1, characterized in that: The closing assembly (4) includes a side baffle (4-1), which is rotatably connected to the top of the smelting furnace (1). The side baffle (4-1) is rotated by a motor. A second cylinder (4-2) is provided on both side surfaces of the top cover (2). A top cover (4-3) is slidably connected to the top of the top cover (2). The top cover (4-3) is sealed and fitted with the upper end surface of the top cover (2).

6. The automatic batching system for a slab refining furnace according to claim 1, characterized in that: The gas collection assembly (5) includes a suction device (5-1), the suction device (5-1) is arranged on the top of the smelting furnace (1), and a gas collection hood (5-2) is arranged on the side surface of the top cover (2), the gas collection hood (5-2) is connected to the inside of the top cover (2), and the gas collection hood (5-2) is connected to the output end of the suction device (5-1).

7. The automatic batching system for a slab refining furnace according to claim 1, characterized in that: A third cylinder (6) is provided on both sides of the smelting furnace (1), and a pushing frame (7) is provided at the output end of the third cylinder (6).

8. The automatic batching system for a slab refining furnace according to claim 3, characterized in that: One side surface of the feed hopper (3-6) is an inclined structural surface.

9. The automatic batching system for a slab refining furnace according to claim 2, characterized in that: The movable frame (3-2) and the supporting frame (3-5) are both L-shaped structures.

10. The automatic batching system for a slab refining furnace according to claim 1, characterized in that: The bottom of the smelting furnace (1) is an inclined structure, and a discharge port (8) is provided on one side of the smelting furnace (1).

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