CN219297563U

CN219297563U - Steel leakage explosion-proof device for steelmaking converter

Info

Publication number: CN219297563U
Application number: CN202320544619.3U
Authority: CN
Inventors: 周合新; 苏万成; 李春雷
Original assignee: Xinjiang Bayi Iron and Steel Co Ltd
Current assignee: Xinjiang Bayi Iron and Steel Co Ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-07-04
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a steel leakage explosion-proof device for a steelmaking converter, which comprises a furnace door and a cooling mechanism, wherein the furnace door is provided with a cooling mechanism; one side of the furnace door is provided with a warning board and a hinge respectively, the other side of the furnace door is provided with a heat insulation layer, one side of the heat insulation layer is provided with an explosion-proof layer, and one side of the explosion-proof layer is provided with a fireproof layer; the cooling mechanism is arranged in the furnace door and comprises a water tank, a water pump, a water suction pipe, a conveying pipe, a cooling pipe, a drain pipe and a drain valve. The steel-smelting converter steel leakage explosion-proof device solves the problems that the existing steel-smelting converter steel leakage explosion-proof device mostly adopts a common furnace door mode, on one hand, because the temperature of steel-smelting is high, a common protective door cannot insulate heat and prevent explosion, and because the furnace door can rise due to the temperature of a furnace body and has no cooling system, the protective effect cannot be achieved, and a large potential safety hazard exists.

Description

Steel leakage explosion-proof device for steelmaking converter

Technical Field

The utility model relates to the technical field of steelmaking converters, in particular to a steel leakage explosion-proof device for a steelmaking converter.

Background

The converter steelmaking is to use molten iron, scrap steel and ferroalloy as main raw materials, and not by means of external energy, the converter is divided into acid and alkaline according to refractory materials, top blowing, bottom blowing and side blowing are arranged at the part of the converter, which is blown into the converter according to gas types, and the basic oxygen top blowing and top and bottom combined blowing converter is mainly used for producing carbon steel, alloy steel, copper and nickel smelting due to high production speed, high yield, high single-furnace yield, low cost and less investment by adopting the main raw materials of the converter, and is the most common steelmaking equipment at present.

The existing steel-making converter is mostly provided with a common furnace door mode, so that the protection effect is not ideal, on one hand, because the temperature of the steel-making converter is high, the common protection door cannot insulate heat and prevent explosion, and because the furnace door can rise due to the temperature of the furnace body and has no cooling system, the protection effect cannot be achieved, and a large potential safety hazard exists.

Therefore, it is necessary to provide a new steel leakage explosion-proof device for a steelmaking converter to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a steel-smelting converter steel leakage explosion-proof device which can reduce the temperature of a furnace door so as to realize heat insulation and explosion prevention.

The utility model provides a steel leakage explosion-proof device for a steelmaking converter, which comprises a furnace door and a cooling mechanism; one side of the furnace door is provided with a warning board and a hinge respectively, the other side of the furnace door is provided with a heat insulation layer, one side of the heat insulation layer is provided with an explosion-proof layer, and one side of the explosion-proof layer is provided with a fireproof layer; the cooling mechanism is arranged in the furnace door, the cooling mechanism comprises a water tank, a water pump, a water suction pipe, a conveying pipe, a cooling pipe, a drain pipe and a drain valve, the water pump is arranged at the top of the water tank, the water suction pipe is arranged at the water suction end of the water pump, the conveying pipe is arranged at the water discharge end of the water pump, the cooling pipe is communicated with one end of the conveying pipe, the drain pipe is communicated with one end of the cooling pipe, the drain valve is arranged at the outer side of the drain pipe, one end of the water suction pipe is communicated with the top of the water tank, and one end of the drain pipe is communicated with one side of the furnace door.

In order to achieve the effect of avoiding dust from falling into the water tank, the utility model provides the steel-making converter steel leakage explosion-proof device, and preferably, the cooling mechanism further comprises a water filling port and a dust cover, the top of the water tank is provided with the water filling port, and the inner wall of the water filling port is connected with the dust cover in a sliding manner.

In order to achieve the effect of conveniently moving the dust cover, the steel-making converter steel leakage explosion-proof device is preferably provided, the top of the dust cover is fixedly connected with a connecting rod, and the top of the connecting rod is fixedly connected with a connecting block.

In order to achieve the effect of enabling the connecting rod to drive the dust cover to automatically reset, the steel leakage explosion-proof device for the steelmaking converter is provided by the utility model, preferably, one side of the connecting rod is fixedly connected with a spring, and one end of the spring is fixedly connected with the inner wall of the water tank.

In order to achieve the effect of stabilizing the connecting rod during movement, the steel-making converter steel leakage explosion-proof device is preferably provided, wherein the outer side of the connecting rod is fixedly connected with a sliding block, and the outer side of the sliding block is slidingly connected with a sliding groove.

In order to achieve the effect of reinforcing the cooling pipe, the steel-making converter steel leakage explosion-proof device provided by the utility model is preferable in that the inner wall of the furnace door is fixedly connected with a supporting rod, one end of the supporting rod is fixedly connected with a fixing ring, and one side of the fixing ring is rotatably connected with a limiting ring.

In order to achieve the effect of enabling the fixing ring and the limiting ring to be fixed, the steel leakage explosion-proof device for the steelmaking converter is provided, preferably, limiting blocks are fixedly connected to the tops of the fixing ring and the limiting ring, and threaded holes are formed in the inner walls of the limiting blocks.

In order to achieve the effect of fixing the cooling pipe, as the steel-making converter steel leakage explosion-proof device provided by the utility model, preferably, the inner wall of the threaded hole is connected with two fixing screws in a threaded manner.

In order to achieve the effect of clamping the fixing ring and the limiting ring, the steel leakage explosion-proof device for the steelmaking converter is preferably provided, the inner wall of the fixing ring is provided with a clamping groove, and one side of the limiting ring is fixedly connected with a clamping block.

In order to achieve the effect of increasing the friction force between the palm of a user and the handle, the steel-making converter steel leakage explosion-proof device is provided, preferably, one side of the furnace door is fixedly connected with the handle, and the outer side of the handle is provided with an anti-skid sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

this steel-making converter is with leaking steel explosion-proof equipment, through setting up cooling body, can reduce the temperature of furnace gate to improve the guard action and the security of furnace gate, solved current steel-making converter and mostly adopted general furnace gate mode with leaking steel explosion-proof equipment, on the one hand because steelmaking itself temperature is higher, general guard gate also can't insulate against heat and explosion-proof, because the furnace gate can also rise because of the temperature of furnace body, and do not have cooling system, can't play the guard action, exist the problem of great potential safety hazard.

Drawings

FIG. 1 is a schematic view of a steel leakage explosion-proof equipment for a steel converter according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a cooling mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of the cooling pipe and the drain pipe according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 2;

FIG. 5 is a schematic view of the structure of the retaining ring and the stop collar according to the present utility model.

Reference numerals in the drawings: 1. a furnace door; 2. a warning board; 3. a cooling mechanism; 31. a water tank; 32. a water pump; 33. a water pumping pipe; 34. a delivery tube; 35. a cooling tube; 36. a drain pipe; 37. a drain valve; 38. a water inlet; 39. a dust cover; 4. a hinge; 5. a thermal insulation layer; 6. an explosion-proof layer; 7. a fire-blocking layer; 8. a connecting rod; 9. a connecting block; 10. a spring; 11. a slide block; 12. a chute; 13. a support rod; 14. a fixing ring; 15. a limiting ring; 16. a limiting block; 17. a threaded hole; 18. a set screw; 19. a clamping groove; 20. a clamping block; 21. a handle; 22. an anti-skid sleeve.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or intervening components may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a steel leakage explosion-proof device for a steelmaking converter according to the present utility model; FIG. 2 is a schematic view of a cooling mechanism according to the present utility model; FIG. 3 is a schematic view of the structure of the cooling pipe and the drain pipe according to the present utility model; FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 2; FIG. 5 is a schematic view of the structure of the retaining ring and the stop collar according to the present utility model. The utility model provides a steel-making converter is with leaking steel explosion-proof equipment, includes furnace gate 1, and one side of furnace gate 1 is provided with warning sign 2 and hinge 4 respectively, and the opposite side of furnace gate 1 is provided with insulating layer 5, and one side of insulating layer 5 is provided with explosion-proof layer 6, and one side of explosion-proof layer 6 is provided with flame retardant coating 7.

In a specific implementation process, as shown in fig. 1, 2, 3 and 4, the cooling mechanism 3 is arranged in the oven door 1, the cooling mechanism 3 comprises a water tank 31, a water pump 32, a water pumping pipe 33, a conveying pipe 34, a cooling pipe 35, a water draining pipe 36 and a water draining valve 37, the water pump 32 is arranged at the top of the water tank 31, the water pumping end of the water pump 32 is provided with the water pumping pipe 33, the water draining end of the water pump 32 is provided with the conveying pipe 34, one end of the conveying pipe 34 is communicated with the cooling pipe 35, one end of the cooling pipe 35 is communicated with the water draining pipe 36, the water draining valve 37 is arranged at the outer side of the water draining pipe 36, one end of the water pumping pipe 33 is communicated with the top of the water tank 31, and one end of the water draining pipe 36 is communicated with one side of the oven door 1.

The cooling mechanism 3 further comprises a water filling port 38 and a dust cover 39, the water filling port 38 is formed in the top of the water tank 31, and the dust cover 39 is connected to the inner wall of the water filling port 38 in a sliding mode.

The top fixedly connected with connecting rod 8 of shield 39, the top fixedly connected with connecting block 9 of connecting rod 8.

One side of the connecting rod 8 is fixedly connected with a spring 10, and one end of the spring 10 is fixedly connected with the inner wall of the water tank 31.

The outside fixedly connected with slider 11 of connecting rod 8, the outside sliding connection of slider 11 has spout 12.

It should be noted that: through setting up insulating layer 5, can make the heat resistance enhancement of furnace gate 1, through setting up explosion-proof layer 6, reducible impact force that the explosion produced when the converter takes place unexpected circumstances is avoided, through setting up flame retardant coating 7, can improve the life of furnace gate 1, through setting up cooling body 3, can reduce the temperature of furnace gate 1, thereby improve the guard action and the security of furnace gate 1, at first, move connecting block 9 and make connecting rod 8 drive shield 39 and slider 11 remove, thereby make spring 10 compress, slider 11 slides through spout 12, can make connecting rod 8 stable when removing, then pour cooling water from water filling port 38 into water tank 31, loosen connecting block 9 and can make connecting rod 8 drive shield 39 automatic reset through spring 10's resilience force after the water finishes, thereby prevent that the dust from falling into water tank 31, then start water pump 32, water pump 32 draws cooling water through water pumping pipe 33, then transport pipe 34 is interior to cooling pipe 35, cooling pipe 35 sets up in the inside of furnace gate 1, thereby can open drain valve 37 and make cooling water discharge through drain pipe 36 after the use.

Referring to fig. 1, 3 and 5, the inner wall of the oven door 1 is fixedly connected with a supporting rod 13, one end of the supporting rod 13 is fixedly connected with a fixed ring 14, and one side of the fixed ring 14 is rotatably connected with a limiting ring 15.

The tops of the fixed ring 14 and the limiting ring 15 are fixedly connected with a limiting block 16, and a threaded hole 17 is formed in the inner wall of the limiting block 16.

The inner wall of the threaded hole 17 is connected with fixing screws 18 in a threaded manner, and the number of the fixing screws 18 is two.

The inner wall of the fixed ring 14 is provided with a clamping groove 19, and one side of the limiting ring 15 is fixedly connected with a clamping block 20.

One side of the furnace door 1 is fixedly connected with a handle 21, and an anti-skid sleeve 22 is arranged on the outer side of the handle 21.

It should be noted that: the fixing ring 14 can be conveniently installed and fixed through the supporting rod 13, the cooling pipe 35 can be reinforced through the cooperation of the limiting ring 15 and the fixing ring 14, the clamping block 20 is clamped into the clamping groove 19 through rotating the limiting ring 15, so that the limiting ring 15 and the fixing ring 14 are clamped, the two limiting blocks 16 are attached, then the fixing screw 18 is screwed into the threaded hole 17, the limiting ring 15 and the fixing ring 14 can be fixed, the furnace door 1 can be conveniently opened through the handle 21, and the friction force between the palm of a user and the handle 21 can be increased through the anti-slip sleeve 22.

The utility model provides a steel leakage explosion-proof device for a steelmaking converter, which has the following working principle:

when the furnace door is used, the heat resistance of the furnace door 1 can be enhanced by arranging the heat insulation layer 5, the explosion-proof layer 6 and the fireproof layer 7, the impact force generated by explosion of the converter can be reduced, the service life of the furnace door 1 is prolonged, the water pump 32 is started to pump cooling water out of the water tank 31 through the water pumping pipe 33, and then the cooling water is conveyed into the cooling pipe 35 through the conveying pipe 34, so that the furnace door 1 is cooled by water, and after the furnace door is used, the water discharging valve 37 can be opened to discharge the cooling water through the water discharging pipe 36.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. The steel leakage explosion-proof device for the steelmaking converter is characterized by comprising a furnace door (1), wherein one side of the furnace door (1) is respectively provided with a warning sign (2) and a hinge (4), the other side of the furnace door (1) is provided with a heat insulation layer (5), one side of the heat insulation layer (5) is provided with an explosion-proof layer (6), and one side of the explosion-proof layer (6) is provided with a fireproof layer (7);

the cooling mechanism (3), cooling mechanism (3) set up in the inside of furnace gate (1), cooling mechanism (3) include water tank (31), water pump (32), drinking-water pipe (33), conveyer pipe (34), cooling tube (35), drain pipe (36) and drain valve (37), the top of water tank (31) is provided with water pump (32), the pumping end of water pump (32) is provided with drinking-water pipe (33), the drainage end of water pump (32) is provided with conveyer pipe (34), the one end intercommunication of conveyer pipe (34) has cooling tube (35), the one end intercommunication of cooling tube (35) has drain pipe (36), the outside of drain pipe (36) is provided with drain valve (37), the one end of drinking-water pipe (33) communicates with the top of water tank (31), one end of drain pipe (36) communicates with one side of furnace gate (1).

2. The steel-making converter steel leakage explosion-proof device according to claim 1, wherein the cooling mechanism (3) further comprises a water filling port (38) and a dust cover (39), the water filling port (38) is formed in the top of the water tank (31), and the dust cover (39) is slidably connected to the inner wall of the water filling port (38).

3. The steel-making converter steel leakage explosion-proof device according to claim 2, wherein the top of the dust cover (39) is fixedly connected with a connecting rod (8), and the top of the connecting rod (8) is fixedly connected with a connecting block (9).

4. A steel-making converter steel leakage explosion-proof device according to claim 3, characterized in that one side of the connecting rod (8) is fixedly connected with a spring (10), and one end of the spring (10) is fixedly connected with the inner wall of the water tank (31).

5. The steel-making converter steel leakage explosion-proof device according to claim 4, wherein a sliding block (11) is fixedly connected to the outer side of the connecting rod (8), and a sliding groove (12) is slidably connected to the outer side of the sliding block (11).

6. The steel-making converter steel leakage explosion-proof device according to claim 1, wherein the inner wall of the furnace door (1) is fixedly connected with a supporting rod (13), one end of the supporting rod (13) is fixedly connected with a fixing ring (14), and one side of the fixing ring (14) is rotatably connected with a limiting ring (15).

7. The steel-making converter steel leakage explosion-proof device according to claim 6, wherein limiting blocks (16) are fixedly connected to the tops of the fixing ring (14) and the limiting rings (15), and threaded holes (17) are formed in the inner walls of the limiting blocks (16).

8. The steel-making converter steel leakage explosion-proof device according to claim 7, wherein the inner wall of the threaded hole (17) is in threaded connection with two fixing screws (18), and the number of the fixing screws (18) is two.

9. The steel-making converter steel leakage explosion-proof device according to claim 7, wherein a clamping groove (19) is formed in the inner wall of the fixed ring (14), and a clamping block (20) is fixedly connected to one side of the limiting ring (15).

10. The steel-making converter steel leakage explosion-proof device according to claim 6, wherein a handle (21) is fixedly connected to one side of the furnace door (1), and an anti-slip sleeve (22) is arranged on the outer side of the handle (21).