Submerged arc furnace door with double-layer sealing structure

Abstract

The utility model discloses a submerged arc furnace door with a double-layer sealing structure, which comprises a submerged arc furnace component provided with a first sealing component and a second sealing component, the first sealing component is used for blocking and sealing a submerged arc furnace and preventing heat and dust from drifting away, and the second sealing component is used for sealing the submerged arc furnace and extruding and concentrating heat in an internal space. The first sealing assembly comprises a fixing ring, an annular block, two supporting plates, a rotating rod, a connecting cylinder, two connecting plates, a furnace door, a concave sealing plate and a heat insulation plate, the fixing ring is arranged on the submerged arc furnace assembly, the annular block is fixedly installed at the top of the fixing ring, the two supporting plates are both fixedly installed on the annular block, and the rotating rod is arranged on the rotating rod. And the rotating rod is rotationally mounted on the two supporting plates. The submerged arc furnace door with the double-layer sealing structure has the advantages that a submerged arc furnace can be conveniently blocked and sealed, heat and dust are prevented from drifting away, the submerged arc furnace can be conveniently sealed, and the internal space is extruded to concentrate heat.

Description

Technical Field

[0001] The utility model relates to the technical field of submerged arc furnaces, in particular to a submerged arc furnace door with a double-layer sealing structure. Background Art

[0002] Submerged arc furnace is also called arc furnace or resistance furnace. It is mainly used for reducing smelting ore, carbonaceous reducing agent and solvent and other raw materials. It mainly produces ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicon-manganese alloy and other ferroalloys, which are important industrial raw materials in the metallurgical industry and chemical raw materials such as calcium carbide. The transformer of the submerged arc furnace has a continuous and stable load, low impedance voltage, more voltage regulation levels, small level difference and strong overload capacity. It can be divided into two types: load and no excitation voltage regulation. Generally, the first few levels have constant capacity output, and the last few levels have constant current output.

[0003] However, in the prior art, when the ore is smelted in an induction furnace, the dissolved ore will emit dust and odor, and the heat will be dissipated outward through the induction furnace. The induction furnace is not sealed, and when the induction furnace heats the ore, the space inside the furnace is large, the heat is conducted slowly in the air, and there is a lack of squeezing of the space inside the furnace to gather heat. Utility Model Content

[0004] The purpose of the utility model is to provide a submersible arc furnace door with a double-layer sealing structure, which can conveniently seal the submersible arc furnace to prevent heat and dust from scattering, and can conveniently seal the submersible arc furnace and squeeze the internal space to concentrate heat, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mineral heating furnace door with a double-layer sealing structure, including a mineral heating furnace assembly, the mineral heating furnace assembly is provided with a first sealing assembly for sealing the mineral heating furnace to prevent heat and dust from dissipating, and a second sealing assembly for sealing the mineral heating furnace and squeezing the internal space to concentrate heat, the first sealing assembly includes a fixing ring, an annular block, two supporting plates, a rotating rod, a connecting tube, two connecting plates, a furnace door, a concave sealing plate and a heat insulation plate, the fixing ring is arranged on the mineral heating furnace assembly, the annular block is fixedly mounted on the top of the fixing ring, the two supporting plates are fixedly mounted on the annular block, the rotating rod is rotatably mounted on the two supporting plates, the connecting tube is fixedly sleeved on the rotating rod, the two connecting plates are fixedly mounted on the connecting tube, the furnace door is fixedly mounted on the two connecting plates, the concave sealing plate is fixedly mounted on the bottom of the furnace door, and the heat insulation plate is fixedly mounted in the concave sealing plate.

[0006] Furthermore, an asbestos board is fixedly installed on the top of the annular block, and the asbestos board is arranged in a ring shape.

[0007] Furthermore, a door-shaped plate is fixedly mounted on the furnace door, and a heat-insulating handle is fixedly sleeved on the door-shaped plate.

[0008] Furthermore, the ore-fired furnace assembly includes a furnace body, a furnace cavity and four legs, the furnace cavity is arranged in the furnace body, the four legs are fixedly mounted on the furnace body, the fixing ring is fixedly connected to the furnace body, and the furnace cavity is fixedly connected to the fixing ring.

[0009] Furthermore, a heat insulation layer is fixedly installed in the furnace body, and the heat insulation layer is made of glass fiber material.

[0010] Furthermore, a rectangular block is fixedly mounted on the top inner wall of the furnace body, the rectangular block is fixedly connected to the furnace cavity, and an arc plate is fixedly mounted on the outer wall of the rectangular block.

[0011] Furthermore, the second sealing assembly includes a circular sealing plate, a screw, a connecting seat, a fixed block, a folding plate, a mounting plate and a rotating handle, the circular sealing plate is arranged in the furnace cavity, the screw is fixedly mounted on the top of the circular sealing plate, the screw is threadedly connected to the furnace door, the connecting seat is fixedly mounted on the top of the screw, the fixed block is fixedly mounted on the top of the connecting seat, the folding plate is fixedly mounted on the fixed block, the mounting plate is fixedly mounted on one side outer wall of the folding plate, and the rotating handle is rotatably mounted on the mounting plate.

[0012] Furthermore, an extrusion plate is fixedly mounted on the bottom of the circular sealing plate, and bumps are evenly distributed on the bottom of the extrusion plate.

[0013] Furthermore, two L-shaped plates are provided on the periphery of the furnace door, two groove plates are fixedly installed on the fixing ring, telescopic rods are fixedly installed on the bottom of the two L-shaped plates, plug plates are fixedly installed on the two telescopic rods, the two plug plates are respectively adapted to the two groove plates, springs are slidably installed on the two telescopic rods, the bottom ends of the two springs are respectively fixedly connected to the tops of the two plug plates, the top ends of the two springs are respectively fixedly connected to the bottoms of the two L-shaped plates, cylinders are fixedly installed on the outer walls of the two L-shaped plates close to each other, and the two cylinders are rotatably connected to the furnace door.

[0014] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0015] The utility model sets a first sealing component, flips the furnace door, the furnace door drives the connecting plate to rotate, the connecting plate drives the connecting tube to rotate, the connecting tube drives the rotating rod to rotate, the rotating rod rotates on the supporting plate, the furnace door drives the concave sealing plate to rotate, the concave sealing plate drives the heat insulation plate to rotate, so as to facilitate the plugging and sealing of the ore-heating furnace and prevent the heat and dust from dispersing.

[0016] The utility model arranges a second sealing component, the folding plate rotates, the folding plate drives the fixed block to rotate, the fixed block drives the connecting seat to rotate, the connecting seat drives the screw to rotate, the screw drives the circular sealing plate to rotate and move downward, the circular sealing plate squeezes the space in the furnace cavity, it is convenient to seal the ore-heating furnace and squeeze the internal space to concentrate heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a submerged arc furnace door with a double-layer sealing structure according to the utility model;

[0018] Figure 2 It is a schematic diagram of the front view and cross-section structure of a submerged arc furnace door with a double-layer sealing structure according to the utility model;

[0019] Figure 3 It is a schematic diagram of a side cross-sectional structure of a submerged arc furnace door with a double-layer sealing structure according to the utility model;

[0020] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure of part A;

[0021] Figure 5 This is a schematic diagram of a top view of a submerged arc furnace door with a double-layer sealing structure according to the utility model;

[0022] Figure 6 It is a schematic diagram of the assembly structure of the concave sealing plate and the heat insulation plate in the utility model.

[0023] In the figure: 1. Induction furnace assembly; 101. Furnace body; 102. Furnace chamber; 103. Legs; 2. First sealing assembly; 201. Fixed ring; 202. Ring block; 203. Support plate; 204. Rotating rod; 205. Connecting cylinder; 206. Connecting plate; 207. Furnace door; 208. Concave sealing plate; 209. Heat insulation plate; 3. Second sealing assembly; 301. Circular sealing plate; 302. Screw; 303. Connecting seat; 304. Fixed block; 305. Folding plate; 306. Mounting plate; 307. Rotating handle; 4. L-shaped plate; 5. Grooved plate; 6. Telescopic rod; 7. Insert plate; 8. Spring; 9. Cylinder. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0025] The utility model provides Figure 1-6 As shown, a submersible furnace door with a double-layer sealing structure includes a submersible furnace component 1, on which a first sealing component 2 is provided for sealing the submersible furnace to prevent heat and dust from scattering, the structure being used to solve the problem that dissolved ore will scatter dust and odor outward, and heat will be dissipated outward through the submersible furnace, and a second sealing component 3 for sealing the submersible furnace and squeezing the internal space to concentrate heat, the structure being used to solve the problem that the space inside the furnace is large and the heat is slowly conducted in the furnace, the first sealing component 2 includes a fixing ring 201, an annular block 202, two supporting plates 203, a rotating rod 204, a connecting tube 205, two connecting plates 206, a furnace door 207, a concave sealing plate 208 and a heat insulation plate 209, the fixing ring 201 is arranged on the submersible furnace component 1, the annular block 202 is fixedly mounted on the top of the fixing ring 201, the two The support plates 203 are all fixedly mounted on the annular block 202, the rotating rod 204 is rotatably mounted on the two support plates 203, the connecting tube 205 is fixedly sleeved on the rotating rod 204, the two connecting plates 206 are all fixedly mounted on the connecting tube 205, the furnace door 207 is fixedly mounted on the two connecting plates 206, the concave sealing plate 208 is fixedly mounted on the bottom of the furnace door 207, and the heat insulation plate 209 is fixedly mounted in the concave sealing plate 208. More specifically, the furnace door 207 is flipped, the furnace door 207 drives the connecting plate 206 to rotate, the connecting plate 206 drives the connecting tube 205 to rotate, the connecting tube 205 drives the rotating rod 204 to rotate, the rotating rod 204 rotates on the support plate 203, the furnace door 207 drives the concave sealing plate 208 to rotate, and the concave sealing plate 208 drives the heat insulation plate 209 to rotate, so as to facilitate the plugging and sealing of the ore-fired furnace to prevent heat and dust from dissipating.

[0026] In addition, an asbestos board is fixedly installed on the top of the annular block 202, and the asbestos board is arranged in a ring shape.

[0027] In some embodiments, a door-shaped plate is fixedly mounted on the furnace door 207, and a heat-insulating handle is fixedly sleeved on the door-shaped plate.

[0028] like Figure 2 As shown, the ore-fired furnace assembly 1 includes a furnace body 101, a furnace cavity 102 and four legs 103, the furnace cavity 102 is arranged in the furnace body 101, the four legs 103 are fixedly installed on the furnace body 101, the fixing ring 201 is fixedly connected to the furnace body 101, and the furnace cavity 102 is fixedly connected to the fixing ring 201.

[0029] In addition, a heat insulation layer is fixedly installed in the furnace body 101, and the heat insulation layer is made of glass fiber material.

[0030] In addition, a rectangular block is fixedly mounted on the inner wall of the top of the furnace body 101 , the rectangular block is fixedly connected to the furnace cavity 102 , and an arc plate is fixedly mounted on the outer wall of the rectangular block.

[0031] like Figure 1 As shown, in some embodiments, the second sealing assembly 3 includes a circular sealing plate 301, a screw 302, a connecting seat 303, a fixing block 304, a folding plate 305, a mounting plate 306 and a rotating handle 307, wherein the circular sealing plate 301 is arranged in the furnace chamber 102, the screw 302 is fixedly mounted on the top of the circular sealing plate 301, the screw 302 is threadedly connected to the furnace door 207, the connecting seat 303 is fixedly mounted on the top of the screw 302, the fixing block 304 is fixedly mounted on the top of the connecting seat 303, the folding plate 305 is fixedly mounted It is mounted on the fixed block 304, the mounting plate 306 is fixedly mounted on the outer wall of one side of the folding plate 305, and the rotating handle 307 is rotatably mounted on the mounting plate 306. More specifically, the folding plate 305 is rotated, the folding plate 305 drives the fixed block 304 to rotate, the fixed block 304 drives the connecting seat 303 to rotate, the connecting seat 303 drives the screw 302 to rotate, the screw 302 drives the circular sealing plate 301 to rotate and move downward, the circular sealing plate 301 squeezes the space inside the furnace chamber 102, so as to facilitate the sealing of the electric arc furnace and squeeze the internal space to concentrate heat.

[0032] In addition, a pressing plate is fixedly mounted on the bottom of the circular sealing plate 301, and bumps are evenly distributed on the bottom of the pressing plate.

[0033] In some embodiments, two L-shaped plates 4 are provided on the periphery of the furnace door 207, two groove plates 5 are fixedly installed on the fixing ring 201, telescopic rods 6 are fixedly installed on the bottom of the two L-shaped plates 4, plug plates 7 are fixedly installed on the two telescopic rods 6, and the two plug plates 7 are respectively adapted to the two groove plates 5, springs 8 are slidably installed on the two telescopic rods 6, the bottom ends of the two springs 8 are respectively fixedly connected to the tops of the two plug plates 7, and the top ends of the two springs 8 are respectively fixedly connected to the bottoms of the two L-shaped plates 4, and cylinders 9 are fixedly installed on the outer walls of the two L-shaped plates 4 close to each other, and the two cylinders 9 are rotatably connected to the furnace door 207 , More specifically, rotate the L-shaped plate 4, the L-shaped plate 4 drives the cylinder 9 to rotate, and the L-shaped plate 4 drives the plug plate 7 to flip upward. At this time, pull the plug plate 7, the plug plate 7 drives the telescopic rod 6 to extend, and the plug plate 7 applies a pulling force to the spring 8. The spring 8 is pulled and deformed to accumulate elastic force. When the concave sealing plate 208 is immersed in the furnace cavity 102, the L-shaped plate 4 is flipped in the opposite direction. The L-shaped plate 4 drives the plug plate 7 to flip, and the plug plate 7 is aligned with the groove plate 5. Release the plug plate 7, the spring 8 loses the pulling force and releases the elastic force, and the spring 8 drives the plug plate 7 to move upward. The plug plate 7 moves and is inserted into the groove plate 5 to lock the furnace door 207, which is convenient for blocking and locking the electric arc furnace assembly 1 to prevent it from being opened and losing its sealing due to external force.

[0034] Working principle: First, pour the ore into the furnace chamber 102, then flip the furnace door 207, the furnace door 207 drives the connecting plate 206 to rotate, the connecting plate 206 drives the connecting tube 205 to rotate, the connecting tube 205 drives the rotating rod 204 to rotate, the rotating rod 204 rotates on the supporting plate 203, the furnace door 207 drives the concave sealing plate 208 to rotate, the concave sealing plate 208 drives the heat insulation plate 209 to rotate, the concave sealing plate 208 is immersed in the furnace chamber 102, the concave sealing plate 208 blocks the opening of the furnace body 101, the rotating folding plate 305 rotates, the folding plate 305 drives the fixed block 304 to rotate, the fixed block 304 drives the connecting seat 303 to rotate, the connecting seat 303 drives the screw 302 to rotate, the screw 302 drives the circular sealing plate 301 to rotate and move downward, the circular sealing plate 301 squeezes the space in the furnace chamber 102, and the sealing of the ore furnace is completed at this time.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A submerged arc furnace door with a double-layer sealing structure, comprising a submerged arc furnace assembly, characterized in that: The induction furnace assembly is provided with a first sealing assembly for sealing the induction furnace to prevent heat and dust from dispersing, and a second sealing assembly for sealing the induction furnace and squeezing the internal space to concentrate heat. The first sealing assembly includes a fixed ring, an annular block, two support plates, a rotating rod, a connecting tube, two connecting plates, a furnace door, a concave sealing plate and a heat insulation plate. The fixed ring is arranged on the induction furnace assembly, the annular block is fixedly mounted on the top of the fixed ring, the two support plates are fixedly mounted on the annular block, the rotating rod is rotatably mounted on the two support plates, the connecting tube is fixedly sleeved on the rotating rod, the two connecting plates are fixedly mounted on the connecting tube, the furnace door is fixedly mounted on the two connecting plates, the concave sealing plate is fixedly mounted on the bottom of the furnace door, and the heat insulation plate is fixedly mounted in the concave sealing plate.

2. The submerged arc furnace door with a double-layer sealing structure according to claim 1, characterized in that: An asbestos board is fixedly installed on the top of the annular block, and the asbestos board is arranged in a ring shape.

3. The submerged arc furnace door with a double-layer sealing structure according to claim 1, characterized in that: A door-shaped plate is fixedly mounted on the furnace door, and a heat-insulating handle is fixedly sleeved on the door-shaped plate.

4. The submerged arc furnace door with a double-layer sealing structure according to claim 1, characterized in that: The ore-fired furnace assembly comprises a furnace body, a furnace cavity and four legs, wherein the furnace cavity is arranged in the furnace body, the four legs are fixedly mounted on the furnace body, the fixing ring is fixedly connected to the furnace body, and the furnace cavity is fixedly connected to the fixing ring.

5. The submerged arc furnace door with a double-layer sealing structure according to claim 4, characterized in that: A heat insulation layer is fixedly installed in the furnace body, and the heat insulation layer is made of glass fiber material.

6. The submerged arc furnace door with a double-layer sealing structure according to claim 4, characterized in that: A rectangular block is fixedly mounted on the top inner wall of the furnace body, the rectangular block is fixedly connected to the furnace cavity, and an arc plate is fixedly mounted on the outer wall of the rectangular block.

7. The submerged arc furnace door with a double-layer sealing structure according to claim 1, characterized in that: The second sealing assembly includes a circular sealing plate, a screw, a connecting seat, a fixed block, a folding plate, a mounting plate and a rotating handle. The circular sealing plate is arranged in the furnace cavity. The screw is fixedly mounted on the top of the circular sealing plate. The screw is threadedly connected to the furnace door. The connecting seat is fixedly mounted on the top of the screw. The fixed block is fixedly mounted on the top of the connecting seat. The folding plate is fixedly mounted on the fixed block. The mounting plate is fixedly mounted on one side outer wall of the folding plate. The rotating handle is rotatably mounted on the mounting plate.

8. The submerged arc furnace door with a double-layer sealing structure according to claim 7, characterized in that: An extrusion plate is fixedly mounted on the bottom of the circular sealing plate, and bumps are evenly distributed on the bottom of the extrusion plate.

9. The submerged arc furnace door with a double-layer sealing structure according to claim 1, characterized in that: Two L-shaped plates are arranged on the periphery of the furnace door, two groove plates are fixedly installed on the fixing ring, telescopic rods are fixedly installed on the bottom of the two L-shaped plates, plug plates are fixedly installed on the two telescopic rods, the two plug plates are respectively adapted to the two groove plates, springs are slidably installed on the two telescopic rods, the bottom ends of the two springs are respectively fixedly connected to the tops of the two plug plates, the top ends of the two springs are respectively fixedly connected to the bottoms of the two L-shaped plates, cylinders are fixedly installed on the outer walls of the two L-shaped plates close to each other, and the two cylinders are rotatably connected to the furnace door.

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