Cleaning device suitable for bonded slag at converter mouth

Abstract

A cleaning device suitable for bonded slag at a converter mouth comprises a moving part, a lifting part, a lifting plate, a slag cleaning part and an adjusting part. The lifting part is arranged on the moving part; the lifting plate is arranged on the lifting part; the adjusting part is arranged on the lifting plate, and the slag removing part is arranged on the adjusting part; the moving part comprises a counterweight box body, a first hydraulic cylinder and walking wheels; walking wheels are arranged at the four corners of the lower end face of the weight box body. Holes are formed in the four corners of the lower end face of the weight box body, first hydraulic cylinders are arranged in the holes, supporting plates are arranged at the ends of piston rods of the first hydraulic cylinders, and the supporting plates are located outside the holes in the lower end face of the weight box body. According to the utility model, the slag removal efficiency of the converter mouth is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to a sticky slag cleaning device, in particular to a device which can assist workers in cleaning the sticky slag at a converter furnace mouth, and belongs to the technical field of converter metallurgical equipment. Background Art

[0002] During the blowing process of the converter, metal liquid is prone to splashing, and the metal liquid adheres to the converter mouth. As the production proceeds, the thickness of the sticky slag at the converter mouth becomes thicker and thicker. When the thickness of the sticky slag reaches a certain level, it will wear the large smoke hood above the converter and affect the production. At present, the cleaning of the converter mouth is carried out by a furnace dismantling machine or manually with a long shovel. The operation of the furnace dismantling machine is cumbersome, time-consuming and prone to malfunction. Manual cleaning has a high risk factor and low efficiency. Therefore, a device is needed to assist the staff in cleaning the sticky slag, thereby improving the cleaning efficiency of the converter mouth and reducing the risk factor of the staff. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a cleaning device suitable for converter furnace mouth sticky slag, which can not only reduce the labor intensity of workers but also improve the cleaning efficiency of the converter furnace mouth sticky slag.

[0004] The problem described in the utility model is solved by the following technical solutions:

[0005] A cleaning device suitable for slag sticking at the mouth of a converter, comprising a moving part, a lifting part, a lifting plate, a slag cleaning part and an adjusting part; the lifting part is arranged on the moving part; the lifting plate is arranged on the lifting part; the adjusting part is arranged on the lifting plate, and the slag cleaning part is arranged on the adjusting part; the moving part comprises a counterweight box, a first hydraulic cylinder and walking wheels; walking wheels are arranged at the four corners of the lower end surface of the counterweight box; holes are arranged at the four corners of the lower end surface of the counterweight box, and a first hydraulic cylinder is arranged in the hole, a support plate is arranged at the end of the piston rod of the first hydraulic cylinder, and the support plate is located outside the hole on the lower end surface of the counterweight box.

[0006] The above-mentioned cleaning device is suitable for slag sticking at the mouth of a converter, and the lifting part includes a vertical plate, a motor, a lead screw, a lead screw nut, a guide rail and a slide plate; the bottom end of the side wall of the vertical plate is connected to the side wall of the counterweight box through a bracket; the motor housing is arranged at the top end of the side wall of the vertical plate; one end of the lead screw is connected to the motor output shaft, and the other end is connected to the horizontal plate axis at the bottom end of the vertical plate; the lead screw nut is arranged on the lead screw; the guide rail is vertically arranged on the end face of the vertical plate away from the motor, and the slide plate is slidably arranged on the guide rail; a vertical square through hole is arranged in the center of the vertical plate, and the lead screw nut passes through the square through hole of the vertical plate and is connected to the slide plate.

[0007] The above-mentioned cleaning device is suitable for cleaning slag sticking at the converter furnace mouth, wherein the lifting plate is arranged on the lower end surface of the slide plate, and a bracket is connected between the edge of the lifting plate and the top end of the slide plate.

[0008] The above-mentioned cleaning device is suitable for slag sticking at the mouth of a converter, and the adjustment part includes a rotating mechanism and an arc shifting mechanism; the rotating mechanism is arranged on the end of the upper end surface of the lifting plate away from the slide plate, and the arc shifting mechanism is arranged on the end of the upper end surface of the lifting plate close to the slide plate.

[0009] The above-mentioned cleaning device is suitable for slag sticking at the mouth of a converter, and the rotating mechanism includes a disc, a U-shaped frame and a base; the base is arranged on the upper end surface of the lifting plate, and the disc is arranged on the upper end surface of the lifting plate; the bottom end of the outer wall of the U-shaped frame is connected to the central axis of the upper end surface of the disc.

[0010] The above-mentioned cleaning device is suitable for slag sticking at the mouth of a converter, and the arc movement mechanism includes an arc track and a column; the arc track is arranged on the upper end surface of the lifting plate, and the center of the arc track intersects with the axis line of the disc; the bottom end of the column is provided with a slide groove, and the bottom end of the column is slidably arranged on the arc track.

[0011] The above-mentioned cleaning device is suitable for cleaning slag stuck at the mouth of a converter, and the slag cleaning part includes a slag breaking mechanism and a slag melting mechanism; the slag melting mechanism is arranged on the slag breaking mechanism; the slag breaking mechanism includes a square long tube, an impact cylinder and a slag breaking cone; the two ends of the lower end surface of the square long tube are respectively arranged on a column and a U-shaped frame; a through hole is arranged inside the square long tube along its length direction, and the impact cylinder and the slag breaking cone are respectively located at the two ends inside the square long tube, the impact cylinder is close to the column, and the slag breaking cone is close to the U-shaped frame; the end of the piston rod of the impact cylinder is connected to the slag breaking cone through a connecting rod.

[0012] The above-mentioned cleaning device is suitable for slag sticking at the mouth of a converter, and the slag mechanism includes a second hydraulic cylinder, a transverse plate, an oxygen lance and a vertical bracket; the second hydraulic cylinder is arranged at one end of the upper end face of the rectangular long cylinder close to the column, and a slide rail is arranged at the other end of the upper end face of the rectangular long cylinder, and the transverse plate is slidably arranged on the slide rail; the end of the piston rod of the second hydraulic cylinder is connected to the transverse plate through a long rod; the vertical bracket is arranged on the upper end face of the transverse plate, and the oxygen lance is arranged on the vertical bracket; the upper end face of the square long cylinder is provided with a plurality of support rods along its length direction, and a guide ring is arranged at the top end of the support rod, and the air pipe of the oxygen lance passes through the guide ring.

[0013] The utility model drives the other parts to move to the front of the converter through the moving part; the height of the slag breaking cone is flexibly adjusted through the cooperation of the lifting part and the lifting plate, so that it can be easily aligned with the area to be slag broken; the slag cleaning part can clean the area where slag accumulates on the converter; the adjusting part allows the slag cleaning part to quickly adjust its position to facilitate the slag cleaning operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] The list of numbers in the figure is: 1. counterweight box, 2. vertical plate, 3. motor, 4. slide plate, 5. lifting plate, 6. disc, 7. U-shaped frame, 8. base, 9. curved track, 10. column, 11. square long cylinder, 12. slag breaking cone, 13. second hydraulic cylinder, 14. transverse plate, 15. oxygen gun, 16. vertical bracket. DETAILED DESCRIPTION

[0016] See also Figure 1 The utility model includes a moving part, a lifting part, a lifting plate 5, a slag cleaning part and an adjusting part; the lifting part is arranged on the moving part; the moving part drives the other parts to move in front of the converter; the lifting part drives the slag cleaning part to lift and lower, so that the slag breaking cone can be aligned with the slag accumulation area; the lifting plate 5 is arranged on the lifting part; the adjusting part is arranged on the lifting plate 5, and the slag cleaning part is arranged on the adjusting part; the adjusting part can adjust the orientation of the slag cleaning part to ensure that the slag breaking cone can be aligned with the slag accumulation area.

[0017] The moving part includes a counterweight box body 1, a first hydraulic cylinder and walking wheels; walking wheels are arranged at the four corners of the lower end face of the counterweight box body 1; holes are arranged at the four corners of the lower end face of the counterweight box body 1, and a first hydraulic cylinder is arranged in the hole, a support plate is arranged at the end of the piston rod of the first hydraulic cylinder, and the support plate is located outside the hole on the lower end face of the counterweight box body 1; when the device is in place through the walking wheels, the first hydraulic cylinder is actuated to extend the support plate, prop up the device, and then fix it, ensuring that the device body is not easily displaced during the slag breaking process.

[0018] The lifting part includes a vertical plate 2, a motor 3, a lead screw, a lead screw nut, a guide rail and a slide plate 4; the bottom end of the side wall of the vertical plate 2 is connected to the side wall of the counterweight box 1 through a bracket; the motor 3 housing is arranged at the top end of the side wall of the vertical plate 2; one end of the lead screw is connected to the output shaft of the motor 3, and the other end is connected to the horizontal plate axis at the bottom end of the vertical plate 2; the motor 3 can drive the lead screw to rotate, and then drive the lead screw nut to move along the lead screw; the lead screw nut is arranged on the lead screw; the guide rail is vertically arranged on the end face of the vertical plate 2 away from the motor 3, and the slide plate 4 is slidably arranged on the guide rail; the slide plate 4 slides on the guide rail; a vertical square through hole is arranged in the center of the vertical plate 2, and the lead screw nut passes through the square through hole of the vertical plate 2 and is connected to the slide plate 4; the lead screw nut drives the slide plate to move synchronously.

[0019] The lifting plate 5 is arranged on the lower end surface of the slide plate 4 , and a bracket is connected between the edge of the lifting plate 5 and the top end of the slide plate 4 .

[0020] The adjustment part includes a rotating mechanism and an arc shifting mechanism; the rotating mechanism is arranged on an end of the upper end surface of the lifting plate 5 away from the slide plate 4, and the arc shifting mechanism is arranged on an end of the upper end surface of the lifting plate 5 close to the slide plate 4.

[0021] The rotating mechanism includes a disc 6, a U-shaped frame 7 and a base 8; the base 8 is arranged on the upper end surface of the lifting plate 5, and the disc 6 is arranged on the upper end surface of the lifting plate 5; the bottom end of the outer wall of the U-shaped frame 7 is connected to the central axis of the upper end surface of the disc 6; the U-shaped frame 7 can rotate on the disc 6.

[0022] The arc movement mechanism includes an arc track 9 and a column 10; the arc track 9 is arranged on the upper end surface of the lifting plate 5, and the center of the arc track 9 intersects with the axis of the disc 6; this ensures that when the column 10 moves along the arc track 9, it moves along the axis of the disc 6; a slide groove is arranged at the bottom end of the column 10, and the bottom end of the column 10 is slidably arranged on the arc track 9.

[0023] The slag cleaning part includes a slag breaking mechanism and a slag molten mechanism; the slag molten mechanism is arranged on the slag breaking mechanism; the slag breaking mechanism includes a square long cylinder 11, an impact cylinder and a slag breaking cone 12; the two ends of the lower end surface of the square long cylinder 11 are respectively arranged on the column 10 and the U-shaped frame 7; the square long cylinder 11 moves in a circle with the axis of the disc 6 as the center line under the cooperation of the column 10 and the U-shaped frame 7; the inside of the square long cylinder 11 is provided with a through hole along its length direction, and the impact cylinder and the slag breaking cone 12 are respectively located at the two ends of the inside of the square long cylinder 11, the impact cylinder is close to the column 10, and the slag breaking cone 12 is close to the U-shaped frame 7; the end of the impact cylinder piston rod is connected to the slag breaking cone 12 through a connecting rod; the impact cylinder provides an impact force for the slag breaking cone 12 to ensure that the slag breaking cone 12 can break and dismantle the accumulated slag accumulated at the converter furnace mouth.

[0024] The slag smelting mechanism includes a second hydraulic cylinder 13, a transverse plate 14, an oxygen lance 15 and a vertical bracket 16; the second hydraulic cylinder 13 is arranged at one end of the upper end surface of the rectangular long cylinder 11 close to the column 10, and a slide rail is arranged at the other end of the upper end surface of the rectangular long cylinder 11, and the transverse plate 14 is slidably arranged on the slide rail; the end of the piston rod of the second hydraulic cylinder 13 is connected to the transverse plate 14 through a long rod; the vertical bracket 16 is arranged on the upper end surface of the transverse plate 14, and the oxygen lance 15 is arranged on the vertical bracket 16; the oxygen lance 15 can It can move laterally with the transverse plate 14, so that the oxygen gun 15 moves to the front of the slag-breaking cone 12, and blows and melts the accumulated slag that is difficult to clean by the slag-breaking cone, and blows the accumulated slag to melt, thereby achieving the purpose of cleaning; that is, the role of the slag mechanism is to solve the problem of the area that the slag-breaking cone 12 cannot clean; the upper end face of the rectangular long cylinder 11 is provided with a plurality of support rods along its length direction, and the top of the support rod is provided with a guide ring, and the air pipe of the oxygen gun 15 passes through the guide ring, which ensures that the air pipe of the oxygen gun can be properly stored.

[0025] Actual usage process: when it is necessary to clean the slag at the mouth of the converter, after the converter is tapped, rotate the converter so that its opening faces the firewall; then push the device to the front of the converter; then start the first hydraulic cylinder to prop up the device and fix its position, and then adjust the position and height of the rectangular long cylinder 11 so that the slag breaking cone 12 can be aligned with the area to be cleaned. After alignment, start the impact cylinder so that the slag breaking cone 12 can break the slag area, and by constantly adjusting the position and height of the rectangular long cylinder 11, the slag breaking cone 12 can process various areas to be cleaned; once a part that is difficult to clean or easy to damage the converter equipment is found, start the second hydraulic cylinder 13 to push the oxygen gun 15 to the front side of the slag breaking cone 12, and then start the oxygen gun 15 to blow and melt this part, blowing the slag to melt, thereby achieving the purpose of slag cleaning.

Claims

1. A cleaning device suitable for slag sticking at the converter mouth, characterized in that: The invention comprises a moving part, a lifting part, a lifting plate (5), a slag cleaning part and an adjustment part; the lifting part is arranged on the moving part; the lifting plate (5) is arranged on the lifting part; the adjustment part is arranged on the lifting plate (5), and the slag cleaning part is arranged on the adjustment part; the moving part comprises a counterweight box (1), a first hydraulic cylinder and walking wheels; the four corners of the lower end surface of the counterweight box (1) are provided with walking wheels; the four corners of the lower end surface of the counterweight box (1) are provided with holes, and the first hydraulic cylinder is arranged in the hole; the end of the piston rod of the first hydraulic cylinder is provided with a support plate, and the support plate is located outside the hole of the lower end surface of the counterweight box (1).

2. The cleaning device for converter furnace mouth sticky slag according to claim 1 is characterized in that: The lifting part comprises a vertical plate (2), a motor (3), a lead screw, a lead screw nut, a guide rail and a slide plate (4); the bottom end of the side wall of the vertical plate (2) is connected to the side wall of the counterweight box (1) through a bracket; the motor (3) housing is arranged at the top end of the side wall of the vertical plate (2); one end of the lead screw is connected to the output shaft of the motor (3), and the other end is connected to the horizontal plate axis at the bottom end of the vertical plate (2); the lead screw nut is arranged on the lead screw; the guide rail is vertically arranged on the end surface of the vertical plate (2) away from the motor (3), and the slide plate (4) is slidably arranged on the guide rail; a vertical square through hole is arranged at the center of the vertical plate (2), and the lead screw nut passes through the square through hole of the vertical plate (2) and is connected to the slide plate (4).

3. The cleaning device for converter furnace mouth slag according to claim 2 is characterized in that: The lifting plate (5) is arranged on the lower end surface of the slide plate (4), and a bracket is connected between the edge of the lifting plate (5) and the top end of the slide plate (4).

4. The cleaning device for converter furnace mouth slag according to claim 3 is characterized in that: The adjustment part comprises a rotating mechanism and an arc shifting mechanism; the rotating mechanism is arranged at an end of the upper end surface of the lifting plate (5) away from the slide plate (4), and the arc shifting mechanism is arranged at an end of the upper end surface of the lifting plate (5) close to the slide plate (4).

5. The cleaning device for converter furnace mouth sticking slag according to claim 4 is characterized in that: The rotating mechanism comprises a disc (6), a U-shaped frame (7) and a base (8); the base (8) is arranged on the upper end surface of the lifting plate (5), and the disc (6) is arranged on the upper end surface of the lifting plate (5); the bottom end of the outer wall of the U-shaped frame (7) is connected to the central axis of the upper end surface of the disc (6).

6. The cleaning device for converter furnace mouth sticking slag according to claim 5 is characterized in that: The arc shift mechanism comprises an arc track (9) and a column (10); the arc track (9) is arranged on the upper end surface of the lifting plate (5), and the center of the arc track (9) intersects with the axis of the disc (6); a slide groove is arranged at the bottom end of the column (10), and the bottom end of the column (10) is slidably arranged on the arc track (9).

7. The cleaning device for converter furnace mouth slag according to claim 6, characterized in that: The slag cleaning part comprises a slag breaking mechanism and a slag melting mechanism; the slag melting mechanism is arranged on the slag breaking mechanism; the slag breaking mechanism comprises a rectangular long tube (11), an impact cylinder and a slag breaking cone (12); the two ends of the lower end surface of the rectangular long tube (11) are respectively arranged on a column (10) and a U-shaped frame (7); a through hole is arranged inside the rectangular long tube (11) along its length direction, and the impact cylinder and the slag breaking cone (12) are respectively located at the two ends inside the rectangular long tube (11), the impact cylinder is close to the column (10), and the slag breaking cone (12) is close to the U-shaped frame (7); the end of the piston rod of the impact cylinder is connected to the slag breaking cone (12) through a connecting rod.

8. The cleaning device for converter furnace mouth sticking slag according to claim 7 is characterized in that: The slag melting mechanism comprises a second hydraulic cylinder (13), a transverse plate (14), an oxygen lance (15) and a vertical bracket (16); the second hydraulic cylinder (13) is arranged at one end of the upper end surface of the rectangular long cylinder (11) close to the column (10), the other end of the upper end surface of the rectangular long cylinder (11) is provided with a slide rail, and the transverse plate (14) is slidably arranged on the slide rail; the end of the piston rod of the second hydraulic cylinder (13) is connected to the transverse plate (14) through a long rod; the vertical bracket (16) is arranged on the upper end surface of the transverse plate (14), and the oxygen lance (15) is arranged on the vertical bracket (16); the upper end surface of the rectangular long cylinder (11) is provided with a plurality of support rods along its length direction, and a guide ring is provided at the top of the support rod, and the air pipe of the oxygen lance (15) passes through the guide ring.

Images