An integrated device for electric arc furnace smelting and circulating cooling

Abstract

This utility model relates to the field of ceramic raw material smelting technology, and provides an integrated electric arc furnace smelting and circulating cooling device, including a furnace body. A discharge trough communicating with the interior is provided on the outer side of the furnace body. A spirally arranged cooling water pipe is embedded in the discharge trough. A water tank is provided on the upper surface of the discharge trough, containing cooling water. A water pump is provided at the bottom of the water tank. One end of the water pump output pipe passes through the interior of the spiral cooling water pipe near the furnace body. Multiple connecting pipes are provided on the lower side of the discharge trough away from the furnace body surface. The other end of each connecting pipe passes through the spiral cooling water pipe. A swingable nozzle is provided at the end of the connecting pipe outside the discharge trough. This utility model eliminates the need to transfer the molten raw material to external cooling equipment, reducing oxidative impurities in the raw material and preventing cracking caused by rapid cooling, further ensuring the quality of the smelted raw material.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic raw material smelting, and more specifically, it relates to an integrated device for electric arc furnace smelting and circulating cooling. Background Art

[0002] Existing ceramic abrasives (zirconia, aluminum-magnesium) need to be smelted using an electric arc furnace during the processing. During the smelting process, the raw materials are subjected to high-temperature treatment, which can change their crystal form and physical properties, making them more in line with the process requirements, thereby improving the quality of the products.

[0003] However, most existing electric arc furnaces have the following problems when smelting raw materials such as zirconia and aluminum-magnesium: After the existing ceramic abrasives are smelted, they need to be transferred to an external cooling device for cooling. However, the process of transferring the ceramic raw materials is relatively long, so impurities are easily introduced during the transfer process, affecting the quality of the ceramic raw materials after cooling. In view of this, the utility model designs an integrated device for electric arc furnace smelting and circulating cooling according to the above problems. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide an integrated device for electric arc furnace smelting and circulating cooling that does not need to be transferred to an external cooling device and reduces the oxidation impurities in the raw materials.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An integrated device for electric arc furnace smelting and circulating cooling, including a furnace body. An outlet chute connected to the inside of the furnace body is provided on the outside of the furnace body. A spiral cooling water pipe arranged in a spiral shape is embedded in the outlet chute. A water tank is provided on the upper surface of the outlet chute. The water tank contains water for cooling. A water pump is provided at the bottom of the water tank. One end of the output pipe of the water pump penetrates into the inside of one end of the spiral cooling water pipe close to the furnace body. A plurality of connecting pipes are provided on the lower side of the outlet chute far from the surface of the furnace body. The other ends of the connecting pipes penetrate into the spiral cooling water pipe. A swingable nozzle is provided at one end of the connecting pipe located outside the outlet chute. A swing assembly for controlling the swing of the nozzle is provided on the connecting pipe.

[0007] The utility model is further arranged as follows: A furnace cover covers the top of the furnace body. Three electrodes arranged in a "pin" shape are provided on the upper side of the furnace cover. Three through holes are opened on the furnace cover. The three electrodes are inserted into the furnace body through the three through holes.

[0008] The utility model is further arranged as follows: A furnace door for sealing the outlet chute is provided on one side of the outlet chute close to the furnace body. The upper side of the furnace door slides through the upper surface of the outlet chute. A furnace door cylinder is provided on the outer surface of the furnace body. The lower end of the telescopic rod of the furnace door cylinder is connected to the upper side of the furnace door.

[0009] The present invention is further configured such that: the swing assembly includes a rotating shaft, the lower end of which is rotatably connected to the bottom wall of the connecting pipe, and an impeller is sleeved on the outer surface of the rotating shaft.

[0010] The present invention is further configured such that: a connecting plate is provided on the upper surface of the nozzle, a swing shaft is rotatably connected to the upper surface of the connecting pipe, the other side of the connecting plate is sleeved on the outer surface of the swing shaft, a gear is sleeved on the outer surface of the swing shaft, a rack is meshed on the outer surface of the gear, an mounting plate is provided on the upper surface of the connecting pipe, a movable rod is slidably sleeved on the mounting plate, and one end of the movable rod is connected to the rack.

[0011] The present invention is further configured such that: the upper end of the rotating shaft rotatably passes through the upper surface of the connecting pipe, a turntable is provided at the upper end of the rotating shaft, a sleeve shaft is provided on the upper surface of the turntable, the sleeve shaft is located at an eccentric position of the turntable, a rotating plate is rotatably sleeved on the outer surface of the sleeve shaft, and the other side of the rotating plate is hinged to the movable rod.

[0012] The present invention is further configured such that a connecting hose is provided between the nozzle and the connecting pipe for mutual communication.

[0013] The advantages of this utility model are:

[0014] Firstly, this utility model directly cools the falling molten raw material through a nozzle, enabling rapid cooling without the need to transfer it to external cooling equipment, thus reducing oxidative impurities in the raw material. At the same time, the molten raw material undergoes preliminary cooling through a spiral cooling water pipe before being directly cooled by the water flow, minimizing the risk of cracking due to rapid cooling and further ensuring the quality of the raw material after smelting.

[0015] Secondly, by setting up an oscillating nozzle, this utility model increases the spraying range of the nozzle, ensuring the cooling effect on the falling molten raw materials. Attached Figure Description

[0016] Figure 1 This is a front view plan of an integrated electric arc furnace smelting and circulating cooling device according to the present invention;

[0017] Figure 2 This is a front view plan of the installation of the spiral cooling water pipe of this utility model;

[0018] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0019] Figure 4 for Figure 3 Enlarged view of section B in the middle.

[0020] In the figure: 1. Furnace body; 2. Furnace lid; 3. Electrode; 4. Discharge chute opening; 5. Furnace door; 6. Furnace door cylinder; 7. Spiral cooling water pipe; 8. Water tank; 9. Water pump; 10. Connecting pipe; 11. Sprayer; 12. Connecting hose;

[0021] 13. Swing assembly; 131. Rotating shaft; 132. Impeller; 133. Swing shaft; 134. Connecting plate; 135. Gear; 136. Rack; 137. Mounting plate; 138. Moving rod; 139. Turntable; 1310. Sleeve shaft; 1311. Rotating plate. Detailed implementation manners

[0022] The following further elaborates on the present application in conjunction with the attached drawings and embodiments. It can be understood that the specific embodiments described herein are merely used to explain the relevant utility model and do not limit the utility model. Additionally, it should be noted that for the sake of description, only the parts related to the utility model are shown in the drawings.

[0023] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will elaborate on the present application in detail by referring to the drawings and in conjunction with the embodiments.

[0024] Please refer to Figure 1-4 and the present utility model provides the following technical solutions:

[0025] Specifically, it refers to an integrated device for arc furnace melting and circulating cooling, including a furnace body 1. The top of the furnace body 1 is covered with a furnace lid 2. On the upper side of the furnace lid 2, three electrodes 3 are arranged in a "pin" shape. Three through holes are opened on the furnace lid 2, and the three electrodes 3 are inserted into the furnace body 1 through the three through holes. Therefore, during use, by pouring ceramic raw materials into the furnace body 1, the high temperature generated by the electric arc of the electrodes 3 melts the ceramic raw materials in the furnace body 1.

[0026] On the outer side of the furnace body 1, there is a discharge chute opening 4 connected to its interior. On one side of the discharge chute opening 4 close to the furnace body 1, there is a furnace door 5 for sealing the discharge chute opening 4. The upper side of the furnace door 5 slides through the upper surface of the discharge chute opening 4. On the outer surface of the furnace body 1, there is a furnace door cylinder 6, and the lower end of the telescopic rod of the furnace door cylinder 6 is connected to the upper side of the furnace door 5.

[0027] During use, after the ceramic raw materials in the furnace body 1 are melted, the hydraulic cylinder is used to push the side of the furnace body 1 away from the discharge chute opening 4 to move upward, so that the discharge chute opening 4 inclines downward. At the same time, the furnace door cylinder 6 pulls the furnace door 5 upward, and at this time, the melted raw materials in the furnace body 1 are discharged through the discharge chute opening 4.

[0028] A spiral cooling water pipe 7 arranged in a spiral shape is embedded in the discharge chute opening 4, and the spiral cooling water pipe 7 is wrapped around the outside of the through groove of the discharge chute opening 4 (visible in the attached Figure 2A water tank 8 is provided on the upper surface of the discharge trough 4. The water tank 8 contains water for cooling. A water pump 9 is provided at the bottom of the water tank 8. One end of the output pipe of the water pump 9 passes through the spiral cooling water pipe 7 near the end of the furnace body 1. Multiple connecting pipes 10 are provided on the lower side of the discharge trough 4 away from the surface of the furnace body 1. The other end of the connecting pipe 10 passes through the spiral cooling water pipe 7. A swingable nozzle 11 is provided at the end of the connecting pipe 10 outside the discharge trough 4. The spray angle of the nozzle 11 is at an angle of 30°-45° with the direction of molten material falling.

[0029] During use, when the molten raw material is discharged through the discharge trough 4, the water pump 9 starts and draws cooling water from the water tank 8 and delivers it to the spiral cooling water pipe 7. The cooling water flows in the spiral cooling water pipe 7, which can initially cool the molten raw material in the discharge trough 4. The cooling water is finally sprayed out through the nozzle 11 and directly cools the falling molten raw material. This allows for rapid cooling of the molten raw material without the need to transfer it to external cooling equipment, reducing oxidative impurities in the raw material. At the same time, the molten raw material is initially cooled by the spiral cooling water pipe 7 before being directly cooled by the water flow, which minimizes the possibility of cracking caused by rapid cooling and further ensures the quality of the raw material after smelting.

[0030] The connecting pipe 10 is provided with a swing assembly 13 for controlling the swing of the nozzle 11. The swing assembly 13 includes a rotating shaft 131. The lower end of the rotating shaft 131 is rotatably connected to the bottom wall of the connecting pipe 10. An impeller 132 is sleeved on the outer surface of the rotating shaft 131. When in use, when cooling water is transported through the connecting pipe 10, the water flow forms a thrust on the impeller 132, thereby driving the rotating shaft 131 to rotate.

[0031] A connecting plate 134 is provided on the upper surface of the nozzle 11, and a swing shaft 133 is rotatably connected to the upper surface of the connecting pipe 10. The other side of the connecting plate 134 is sleeved on the outer surface of the swing shaft 133. A gear 135 is sleeved on the outer surface of the swing shaft 133, and a rack 136 is meshed on the outer surface of the gear 135. A mounting plate 137 is provided on the upper surface of the connecting pipe 10, and a movable rod 138 is slidably sleeved on the mounting plate 137. One end of the movable rod 138 is connected to the rack 136.

[0032] In use, the control lever 138 moves back and forth, and the rack 136 moves synchronously with the control lever 138. Therefore, the rack 136 meshes with the gear 135 and drives it to rotate back and forth. The connecting plate 134 rotates synchronously with the swing shaft 133, thereby driving the nozzle 11 to swing back and forth. The above structure improves the spraying range of the nozzle 11 and ensures the cooling effect on the falling molten raw materials.

[0033] The upper end of the rotating shaft 131 rotatably passes through the upper surface of the connecting pipe 10. A turntable 139 is provided at the upper end of the rotating shaft 131. A sleeve shaft 1310 is provided on the upper surface of the turntable 139. The sleeve shaft 1310 is located at an eccentric position on the turntable 139. A rotating plate 1311 is rotatably sleeved on the outer surface of the sleeve shaft 1310. The other side of the rotating plate 1311 is hinged to the movable rod 138.

[0034] When the rotating shaft 131 rotates, the turntable 139 rotates synchronously with the rotating shaft 131, thus driving the rotating plate 1311 to move in an eccentric direction. At this time, the rotating plate 1311 can exert a pushing or pulling force on the movable rod 138, thereby synchronously driving the rack 136 to move back and forth.

[0035] A connecting hose 12 is provided between the nozzle 11 and the connecting pipe 10 to facilitate the movement of the nozzle 11 without affecting the flow of cooling water.

[0036] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. An integrated electric arc furnace melting and recycling cooling device, comprising a furnace body (1), an outer side of the furnace body (1) is provided with a discharge slot (4) in communication with the interior of the furnace body (1), characterized in that: A spiral cooling water pipe (7) arranged in a spiral shape is embedded in the discharge chute opening (4). A water tank (8) is arranged on the upper surface of the discharge chute opening (4). The water tank (8) contains water for cooling. A water pump (9) is arranged at the bottom of the water tank (8). One end of the output pipe of the water pump (9) penetrates into the interior of one end of the spiral cooling water pipe (7) close to the furnace body (1). A plurality of connecting pipes (10) are arranged on the lower side of the discharge chute opening (4) away from the surface of the furnace body (1). The other ends of the connecting pipes (10) penetrate into the spiral cooling water pipe (7). A swingable spray head (11) is arranged at one end of the connecting pipe (10) outside the discharge chute opening (4). A swing component (13) for controlling the swing of the spray head (11) is arranged on the connecting pipe (10).

2. The integrated electric arc furnace smelting and circulating cooling device according to claim 1, characterized in that: A furnace cover (2) covers the top of the furnace body (1). Three electrodes (3) arranged in a "pin" shape are arranged on the upper side of the furnace cover (2). Three through holes are opened on the furnace cover (2). The three electrodes (3) are inserted into the furnace body (1) through the three through holes.

3. The integrated electric arc furnace smelting and circulating cooling device according to claim 1, characterized in that: A furnace door (5) for sealing the discharge chute opening (4) is arranged on one side of the discharge chute opening (4) close to the furnace body (1). The upper side of the furnace door (5) slides through the upper surface of the discharge chute opening (4). A furnace door cylinder (6) is arranged on the outer surface of the furnace body (1). The lower end of the telescopic rod of the furnace door cylinder (6) is connected to the upper side of the furnace door (5).

4. The integrated electric arc furnace smelting and circulating cooling device according to claim 1, characterized in that: The swing component (13) includes a rotating shaft (131). The lower end of the rotating shaft (131) is rotatably connected to the bottom wall of the connecting pipe (10). An impeller (132) is sleeved on the outer surface of the rotating shaft (131).

5. The integrated electric arc furnace smelting and circulating cooling device according to claim 4, characterized in that: A connecting plate (134) is arranged on the upper surface of the spray head (11). A swing shaft (133) is rotatably connected to the upper surface of the connecting pipe (10). The other side of the connecting plate (134) is sleeved on the outer surface of the swing shaft (133). A gear (135) is sleeved on the outer surface of the swing shaft (133). A rack (136) is meshed and connected to the outer surface of the gear (135). An installation plate (137) is arranged on the upper surface of the connecting pipe (10). A movable rod (138) is slidably sleeved on the installation plate (137). One end of the movable rod (138) is connected to the rack (136).

6. The integrated electric arc furnace smelting and circulating cooling device according to claim 5, characterized in that: The upper end of the rotating shaft (131) rotatably penetrates through the upper surface of the connecting pipe (10). A turntable (139) is arranged at the upper end of the rotating shaft (131). A sleeve shaft (1310) is arranged on the upper surface of the turntable (139). The sleeve shaft (1310) is arranged at an eccentric position of the turntable (139). A rotating plate (1311) is rotatably sleeved on the outer surface of the sleeve shaft (1310). The other side of the rotating plate (1311) is hinged to the movable rod (138).

7. The integrated electric arc furnace smelting and circulating cooling device according to claim 6, characterized in that: A connecting hose (12) that is mutually connected and communicated is arranged between the spray head (11) and the connecting pipe (10).

8. The integrated electric arc furnace smelting and circulating cooling device according to claim 1, characterized in that: The spraying angle of the spray head (11) forms an included angle of 30° - 45° with the falling direction of the molten raw material.

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