Baking device suitable for tundish nozzle

Abstract

A baking device suitable for a tundish nozzle comprises a base, a top seat, a heat preservation cylinder, a rotating part, a heating part, a partition part and a lifting part. A heat preservation cylinder is arranged between the base and the top base and forms a cylinder shape. The base is arranged on the ground through a bracket; the rotating part is arranged on the base; and the heating part, the partition part and the lifting part are arranged on the top seat. According to the utility model, the baking efficiency of the water gap is improved, the heat radiation suffered by workers is reduced, and the personal safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water gap baking device, especially a device capable of baking and heating the tundish water gap before use, and belongs to the technical field of water gap baking equipment. BACKGROUND

[0002] In the production process of a steelmaking continuous casting machine, the tundish molten steel flows into the crystallizer through the tundish downcomer, and the downcomer plays a role of heat preservation and air oxidation isolation, etc. In order to ensure smooth casting, the water gap needs to be baked and heated before use, and then the heated water gap is installed at the bottom end of the tundish. At present, the water gap is heated by being put into a baking furnace and heated by coal gas. Whether the water gap is placed or removed, the baking furnace door needs to be opened, and then the worker holds a long clamp to put the water gap into or remove it from the baking furnace. In this process, the worker will be subjected to high temperature roasting, which not only affects the health of the worker, but also has safety hazards. Therefore, a baking device is needed, which is convenient for the worker to put in or remove the water gap under the premise of completing the heating of the water gap. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art, and provides a baking device suitable for a tundish water gap, which can not only reduce the labor intensity of the worker, but also reduce the safety hazards on site.

[0004] The problem is solved by the following technical scheme:

[0005] A baking device suitable for a tundish water gap, comprising a base, a top seat, a heat preservation cylinder, a rotating part, a heating part, a partition part and a lifting part; the heat preservation cylinder is arranged between the base and the top seat and has a cylindrical shape; the base is arranged on the ground through a support; the rotating part is arranged on the base; the heating part, the partition part and the lifting part are all arranged on the top seat.

[0006] The baking device suitable for a tundish water gap, the rotating part comprises a motor, a rotating disc and a limiting column; the motor is arranged at the center of the bottom end surface of the base; the rotating disc is arranged at the center of the upper end surface of the base through a shaft, and the output shaft of the motor is connected with the center of the bottom end surface of the rotating disc; the number of the limiting columns is multiple, and they are symmetrically arranged on the upper end surface of the rotating disc in the circumferential direction; the rotating disc and the limiting column are both arranged in the cavity surrounded by the base, the top seat and the heat preservation cylinder.

[0007] The baking device suitable for a tundish water gap, the heating part comprises a flame gun; the flame gun is arranged at the center of the upper end surface of the top seat, and the nozzle of the flame gun penetrates through the center hole of the top seat into the cavity surrounded by the base, the top seat and the heat preservation cylinder; the flame gun is connected with a coal gas pipeline through a long pipe, and a valve is arranged on the coal gas pipeline.

[0008] The above baking device for the water gap of the tundish, the partition part comprises an electric cylinder, an extension plate and a sealing cover; the extension plate is arranged on the circumferential sidewall of the top base; the electric cylinder is arranged on the top end surface of the extension plate, and the end of the piston rod of the electric cylinder is connected with the sealing cover; an access circular hole is arranged on the top end surface of the top base, and the distance between the axis of the access circular hole and the axis of the rotating disc is equal to the distance between the axis of the rotating disc and the axis of the limiting column; the axis of the piston rod of the electric cylinder intersects with the axis of the access circular hole; and the sealing cover is located directly above the access circular hole.

[0009] The above baking device for the water gap of the tundish, the lifting part comprises a vertical column, a horizontal plate, a guide rod, a winch, a circular plate, a fixed plate and a clamping mechanism; the vertical column is arranged on the top end surface of the top base; the horizontal plate is arranged on the top end of the vertical column; two vertical guide holes are arranged on the horizontal plate, and the two guide rods are respectively arranged in the corresponding guide holes of the horizontal plate; the winch is arranged on the center of the top end surface of the horizontal plate; the circular plate is arranged on the bottom end of the guide rod; the fixed plate is arranged between the two guide rods, and the fixed plate is located directly below the horizontal plate and directly above the circular plate; and the end of the pull rope of the winch is connected with the top end surface of the fixed plate.

[0010] The above baking device for the water gap of the tundish, the clamping mechanism comprises a double-head cylinder, a vertical rod and a top block; the double-head cylinder is arranged in the center of the top end surface of the circular plate; a vertical strip hole is arranged on the circular plate; the two piston rod ends of the double-head cylinder are both provided with a vertical rod, and the bottom end of the vertical rod is provided with a top block; the vertical rods on the two sides of the double-head cylinder both pass through the strip hole of the circular plate, and the top block is located directly below the circular plate.

[0011] The above baking device for the water gap of the tundish, a hole is arranged on the sidewall of the heat preservation cylinder, and heat insulation glass is arranged in the hole and located below the extension plate.

[0012] The bottom base, the top base and the heat preservation cylinder form a closed cavity, the water gap rotates on the rotating part and is subjected to baking and heating treatment under the action of the heating part; when the water gap needs to be heated or the heated water gap needs to be taken out, the water gap is put in or taken out through the cooperation of the partition part and the lifting part. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a three-dimensional structure schematic view of the utility model after removing the heat preservation cylinder.

[0015] The list of reference numerals in the figure is: 1. base, 2. top seat, 3. heat preservation cylinder, 4. motor, 5. rotating disc, 6. limiting column, 7. flame gun, 8. electric cylinder, 9. extension plate, 10. sealing cover, 11. stand, 12. horizontal plate, 13. guide rod, 14. winch, 15. round plate, 16. fixed plate, 17. double-head cylinder, 18. vertical rod, 19. top block, 20. heat insulation glass. DETAILED DESCRIPTION

[0016] Referring to Figure 1 and Figure 2 , the utility model discloses base 1, top seat 2, heat preservation cylinder 3, rotating part, heating part, partition part and lifting part, be provided with heat preservation cylinder 3 between base 1 and top seat 2, and its composition cylinder shape, the closed cavity of cylinder shape provides the heat preservation effect to the water gap being heated, ensure that the water gap can get the smooth baking under the action of heating part, base 1 is set up on the ground through support, rotating part is set up on base 1, and rotating part drives the water gap being received to rotate, and then adjust the position of each water gap, facilitate the water gap needed to be taken out, heating part, partition part and lifting part are all set up on top seat 2, and heating part is used to heat treatment to the water gap, and partition part and lifting part cooperate and lift the water gap, and then place the water gap to be heated into the heating cavity, or take out the water gap heated from the heating cavity.

[0017] Rotating part includes motor 4, rotating disc 5 and limiting column 6, the bottom end surface center of base 1 is provided with motor 4, rotating disc 5 is connected to set in the center of base 1 upper end surface, and the output shaft of motor 4 is connected with the center of rotating disc 5 bottom end surface, and motor 4 can drive rotating disc 5 to rotate, and then drive the water gap on rotating disc 5 to rotate and move, the number of limiting column 6 is multiple, and it is circumferentially symmetrical and set in the upper end surface of rotating disc 5, and each water gap is placed on different limiting column 6, and the water gap is made to rotate smoothly with rotating disc 5 through limiting column 6, and rotating disc 5 and limiting column 6 are all set in the cavity surrounded by base 1, top seat 2 and heat preservation cylinder 3.

[0018] Heating part includes flame gun 7, flame gun 7 is set in the center of top seat 2 upper end surface, and its gun muzzle passes through the center hole of top seat 2 and enters the cavity surrounded by base 1, top seat 2 and heat preservation cylinder 3, flame gun 7 is connected with gas pipeline through long tube, and valve is set on gas pipeline, and continuous heat radiation is provided to the cavity surrounded by base 1, top seat 2 and heat preservation cylinder 3 through flame gun 7, and then the water gap in it is heated and baked.

[0019] The partition part comprises an electric cylinder 8, an extension plate 9 and a sealing cover 10; the extension plate 9 is arranged on the circumferential sidewall of the top base 2; the electric cylinder 8 is arranged on the top end surface of the extension plate 9, and the end of the piston rod of the electric cylinder 8 is connected with the sealing cover 10; a through circular hole is arranged on the top end surface of the top base 2, and the distance between the axis of the through circular hole and the axis of the rotating disc 5 is equal to the distance between the axis of the rotating disc 5 and the axis of the limiting column 6; the water inlet passes into or leaves the heating cavity through the through circular hole on the top base 2; the axis of the piston rod of the electric cylinder 8 intersects with the axis of the through circular hole; the sealing cover 10 is located directly above the through circular hole; the electric cylinder 8 is used to drive the sealing cover 10 to move to or leave the through circular hole, so as to realize the control of the opening and closing of the through circular hole passage.

[0020] The lifting part comprises a vertical column 11, a horizontal plate 12, a guide rod 13, a winch 14, a circular plate 15, a fixed plate 16 and a clamping mechanism; the vertical column 11 is arranged on the top end surface of the top base 2; the horizontal plate 12 is arranged on the top end of the vertical column 11; two vertical guide holes are arranged on the horizontal plate 12, and the two guide rods 13 are respectively arranged in the corresponding guide holes of the horizontal plate 12; the winch 14 is arranged on the center of the top end surface of the horizontal plate 12; the circular plate 15 is arranged on the bottom end of the guide rod 13; the guide rod 13 provides a guide function for the lifting of the circular plate 15; the fixed plate 16 is arranged between the two guide rods 13, and the fixed plate 16 is located directly below the horizontal plate 12 and directly above the circular plate 15; the end of the pull rope of the winch 14 is connected with the top end surface of the fixed plate 16; the winch drives the fixed plate 16, the circular plate 15 and the clamping mechanism to synchronously lift.

[0021] The clamping mechanism comprises a double-head cylinder 17, a vertical rod 18 and a top block 19; the double-head cylinder 17 is arranged on the center of the top end surface of the circular plate 15; the circular plate 15 is provided with a vertical strip hole; the two piston rod ends of the double-head cylinder 17 are respectively provided with the vertical rod 18, and the bottom end of the vertical rod 18 is provided with the top block 19; the double-head cylinder 17 drives the two vertical rods 18 and the top blocks 19 on both sides to synchronously move to both sides or move close to each other, and the two top blocks 19 are away from each other to abut against the inner wall of the water inlet, so as to realize the fixation of the water inlet, and finally drive the water inlet to synchronously lift; the two vertical rods 18 of the double-head cylinder 17 pass through the strip hole of the circular plate 15, and the top block 19 is located directly below the circular plate 15.

[0022] The side wall of the heat preservation cylinder 3 is provided with a hole, and the hole is provided with heat insulation glass 20. The heat insulation glass 20 is located below the extension plate 9. Through the heat insulation glass 20, the worker can easily observe the position of each water port in the heating cavity. Then, by controlling the action of the motor, the specified water port can be moved to the directly below the top seat in-out circular hole, or the specified limit column 6 is moved to the directly below the top seat in-out circular hole to wait for the placement of the water port.

[0023] Principle of use: The worker observes the position of the water port or the limit column 6 in the cavity through the heat insulation glass; when the heated water port needs to be taken out, the specified water port is moved to the directly below the top seat in-out circular hole by controlling the action of the motor 4, and then the sealing cover 10 is removed by starting the electric cylinder 8, and then the winch is actuated to drive the circular plate 15 to descend. After the top block extends into the water port, the double-headed cylinder 17 is started to drive the two side top blocks 19 to move to both sides, fix the water port, and then the winch is actuated to drive the water port to ascend until the water port moves out of the heating cavity. Then, the sealing cover 10 is closed by the electric cylinder 8. Then, the worker holds the long tongs to clamp the water port, the double-headed cylinder is reset, and then the worker removes the water port; if the water port to be heated needs to be placed, the worker makes the top block 19 extend into the top end of the water port, and then the double-headed cylinder 17 is actuated to fix the water port to be heated. Then, the limit column 6 is moved to the directly below the in-out through hole by controlling the action of the motor, and then the sealing cover 10 is removed by the electric cylinder 8. Then, the winch is actuated to lower the water port. After the water port is placed on the limit column 6, the double-headed cylinder is reset to cancel the clamping of the water port, and then the winch drives the circular plate 15 to rise. The sealing cover is closed by the electric cylinder 8 to seal the in-out through hole.

Claims

1. A baking device for a tundish nozzle, characterized by: The utility model relates to a kind of heating and cooling device, including base (1), top seat (2), heat preservation cylinder (3), rotating part, heating part, partition part and lifting part;Base (1) and top seat (2) between being provided with heat preservation cylinder (3), and its composition cylindrical shape; The base (1) is arranged on the ground by support;The rotating part is arranged on the base (1);The heating part, partition part and lifting part are all arranged on the top seat (2).

2. The device for baking a nozzle for a tundish according to claim 1, characterized in that: The rotating part includes motor (4), rotating disc (5) and limit post (6);The bottom end surface center of the base (1) is provided with motor (4);Rotating disc (5) is arranged on the center of the upper end surface of base (1), and the output shaft of motor (4) is connected with the center of the bottom end surface of rotating disc (5);The number of limit post (6) is multiple, and it is symmetrically arranged on the upper end surface of rotating disc (5);Rotating disc (5) and limit post (6) are all arranged in the cavity surrounded by base (1), top seat (2) and heat preservation cylinder (3).

3. The device for baking a shroud for a tundish according to claim 2, characterized in that: The heating part includes flame gun (7);The flame gun (7) is arranged on the center of the upper end surface of top seat (2), and its gun muzzle passes through the center hole of top seat (2) into the cavity surrounded by base (1), top seat (2) and heat preservation cylinder (3);The flame gun (7) is connected with gas pipeline by long tube, and valve is arranged on the gas pipeline.

4. The device for baking a shroud for a tundish according to claim 3, characterized in that: The partition part includes electric cylinder (8), extension plate (9) and sealing cover (10);The extension plate (9) is arranged on the circumferential side wall of top seat (2);The electric cylinder (8) is arranged on the top end surface of extension plate (9), and the end of its piston rod is connected with sealing cover (10);The top end surface of top seat (2) is provided with access round hole, and the distance between the axis of access round hole and the axis of rotating disc (5) is equal to the distance between the axis of rotating disc (5) and the axis of limit post (6);The axis of the piston rod of electric cylinder (8) intersects with the axis of access round hole;The sealing cover (10) is located directly above access round hole.

5. The device for baking a shroud for a tundish according to claim 4, characterized in that: The lifting part includes stand column (11), horizontal plate (12), guide rod (13), winch (14), round plate (15), fixed plate (16) and clamping mechanism;The stand column (11) is arranged on the top end surface of top seat (2);The horizontal plate (12) is arranged on the top end of stand column (11);Two vertical guide holes are arranged on the horizontal plate (12), and two guide rods (13) respectively pass through the corresponding guide holes on the horizontal plate (12);The winch (14) is arranged on the center of the top end surface of horizontal plate (12);The round plate (15) is arranged on the bottom end of guide rod (13);The fixed plate (16) is arranged between two guide rods (13), and the fixed plate (16) is located directly below the horizontal plate (12), and the fixed plate (16) is located directly above the round plate (15);The end of the pull rope of winch (14) is connected with the top end surface of fixed plate (16).

6. The device for baking a shroud for a tundish according to claim 5, characterized in that: The clamping mechanism comprises a double-end air cylinder (17), a vertical rod (18) and a top block (19); the double-end air cylinder (17) is arranged at the center of the top end surface of the circular plate (15); the circular plate (15) is provided with vertically arranged strip-shaped holes; the two piston rod ends of the double-end air cylinder (17) are provided with the vertical rods (18), and the bottom ends of the vertical rods (18) are provided with the top blocks (19); the vertical rods (18) on the two sides of the double-end air cylinder (17) pass through the strip-shaped holes of the circular plate (15), and the top blocks (19) are located directly below the circular plate (15).

7. The device for baking a shroud for a tundish according to claim 6, characterized in that: The heat preservation cylinder (3) is provided with a hole in the side wall, and the hole is provided with heat insulation glass (20), and the heat insulation glass (20) is located below the extension plate (9).

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