CN216151080U

CN216151080U - Three-layer high-heat-preservation transfer cover steel ladle

Info

Publication number: CN216151080U
Application number: CN202122216725.2U
Authority: CN
Inventors: 张世建
Original assignee: Shandong Minyuan Iron And Steel Co ltd
Current assignee: Shandong Minyuan Iron And Steel Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-01
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of steel ladles, in particular to a three-layer high-heat-preservation transfer cover steel ladle which comprises a steel ladle, wherein incombustible rock wool is arranged on the inner wall of the steel ladle, a steel plate is attached to the outer surface of the incombustible rock wool, and refractory material soil is attached to the outer surface of the steel plate. The utility model overcomes the defects of the prior art, and the non-combustible rock wool, the steel plate, the refractory material soil and the connecting bolt are arranged, so that the non-combustible rock wool has good heat preservation and heat insulation performance, thereby avoiding the loss of heat energy caused by the heat dissipation in the steel ladle, effectively slowing down the damage of molten steel to the steel ladle, prolonging the service life of the steel ladle and improving the quality of the molten steel, the steel plate is arranged on the outer surface of the non-combustible rock wool, so that the non-combustible rock wool is protected by the steel plate, meanwhile, the connecting bolt is connected between the non-combustible rock wool and the steel plate, so that the non-combustible rock wool can be replaced, and the refractory material soil is arranged on the outer surface of the steel plate, thereby improving the refractory and heat insulation performance of the steel ladle.

Description

Three-layer high-heat-preservation transfer cover steel ladle

Technical Field

The utility model relates to the technical field of steel ladles, in particular to a three-layer high-heat-preservation transfer cover steel ladle.

Background

The ladle is used for receiving molten steel and carrying out pouring operation in front of an open hearth furnace, an electric furnace or a converter in a steel plant and a foundry, the production cost reduction of steel per ton by steel enterprises is an effective means for improving competitiveness, the controllable heat loss of a steelmaking process is reduced, the effective means for reducing the production cost and saving energy consumption is provided, the ladle is used for containing the molten steel smelted by the converter between a steelmaking process and a continuous casting process, and the change of the molten steel temperature in the tapping and steel containing processes is directly influenced by the thermal state in the production turnover process.

But the current ladle is in the in-service use, large-scale molten iron ladle stove need make a steel-making and dump the molten steel, but need carry out the hoist and mount transportation of ladle, if do not have the lid, the heat can lose about 0.6%, so carry out the closing cap processing to the ladle in transportation hoist and mount process, when the transportation position reachs the operation panel below, carry out the molten steel and dump the operation, the fork can be touched to lid on the ladle simultaneously, the fork can be got up the lid fork, then trade the lid operation, but current ladle cover is relatively poor to the leakproofness of ladle, and simultaneously, equipment also has the weak point, it is exactly that there is a large amount of heat energy losses in the ladle transportation and dispels outward, the heat preservation fire resistance of ladle is relatively poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a three-layer high-heat-preservation transfer cover-covered ladle, overcomes the defects of the prior art, has simple structural design, effectively solves the problem that the large molten iron ladle furnace needs to carry out steel making and molten steel dumping in the actual use process of the prior ladle, but the hoisting and transferring of the ladle are required, if the cover is not arranged, the heat can be lost by about 0.6 percent, therefore, the ladle is subjected to sealing treatment in the transportation and hoisting process, molten steel dumping operation is carried out when the transportation position reaches the lower part of the operating platform, meanwhile, the cover on the ladle can touch the fork, the fork can fork the cover, and then the cover is replaced, but the existing steel ladle cover has poor sealing property on the steel ladle, and meanwhile, the equipment has the defects that a large amount of heat energy is lost and dissipated during the transportation of the steel ladle, and the heat-insulating and fireproof performance of the steel ladle is poor.

In order to solve the technical problems, the utility model provides the following technical scheme:

a three-layer high-heat-preservation transfer cover steel ladle comprises a steel ladle, wherein non-combustible rock wool is arranged on the inner wall of the steel ladle, a steel plate is attached to the outer surface of the non-combustible rock wool, and refractory material soil is attached to the outer surface of the steel plate;

be connected with connecting bolt between steel sheet and the incombustible rock wool, connecting bolt is located the surface top of steel sheet.

Preferably, a hook seat is fixed below one side of the outer surface of the steel ladle, a counterweight ring is arranged on the outer surface of the steel ladle, an installation seat is installed on the outer surface of the counterweight ring through an installation bolt, and a hanging lug is fixed on the outer surface of the installation seat.

Preferably, a ladle bottom impact area is arranged at the middle position below the inner part of the ladle, a nozzle pocket brick and an air pocket brick are respectively arranged below the inner part of the ladle, and the nozzle pocket brick and the air pocket brick are respectively positioned at two sides of the ladle bottom impact area.

Preferably, a ladle cover is arranged at the top of the ladle, a hook plate is fixed at the top of the ladle cover, a first hook hanging hole and a second hook hanging hole are respectively formed in the outer surface of the hook plate, the first hook hanging hole is arranged in a square shape, and the second hook hanging hole is arranged in a circular shape.

Preferably, the bottom of the steel ladle cover is provided with a heat-insulating sealing plate, the diameter of the heat-insulating sealing plate is equal to the inner diameter of the steel ladle, and the heat-insulating sealing plate is made of glass wool.

Preferably, the ladle cover is in close contact with the ladle, the bottom of the ladle cover is respectively provided with a drainage sand hole and an observation hole, the observation hole is arranged in a conical shape, and the diameter of the top of the observation hole is larger than that of the bottom of the observation hole.

The embodiment of the utility model provides a three-layer high-heat-preservation transfer cover steel ladle, which has the following beneficial effects: through the inside at the ladle be provided with incombustible rock wool, steel sheet, refractory material soil and connecting bolt to avoid the inside heat of ladle to scatter and disappear and cause thermal loss, and effectually slowed down the damage that the molten steel led to the fact to the ladle, improved the life and the molten steel quality of ladle, simultaneously through having seted up drainage sand hole and observation hole at the top of ladle lid, so that staff's temperature measurement, sample, inspection package interior slag line, package low air brick condition etc. when repairing.

1. Through setting up incombustible rock wool, the steel sheet, refractory material soil and connecting bolt, be provided with incombustible rock wool through the inner wall at the ladle, because incombustible rock wool has good heat preservation heat-proof quality, so as to avoid the inside heat of ladle to scatter and disappear and cause the loss of heat energy, and the effectual damage that has slowed down the molten steel and lead to the fact the ladle, the life and the molten steel quality of ladle have been improved, and be provided with the steel sheet at the surface of incombustible rock wool, make the steel sheet protect incombustible rock wool, be connected with connecting bolt between incombustible rock wool and steel sheet simultaneously, can change the processing to incombustible rock wool, be provided with refractory material soil at the surface of steel sheet afterwards, so as to improve the refractory heat-proof quality of ladle.

2. Through setting up first hook hanging hole, the second hook hanging hole, the hook plate, the heat preservation closing plate, observe hole and drainage sand hole, through be provided with first hook hanging hole and second hook hanging hole respectively at the surface of hook plate, make accessible fork pass first hook hanging hole with the ladle lid fork or pass second hook hanging hole through the lifting hook and hoist the ladle lid when taking off the lid to the ladle lid, the variety of taking off the lid has been improved, and be provided with the heat preservation closing plate in the bottom of ladle lid, with the compactness between improvement ladle lid and the ladle, reduce the inside thermal scattering and disappearing of ladle, simultaneously through having seted up drainage sand hole and observation hole at the top of ladle lid, so that the staff temperature measurement, the sample, inspect package interior slag line during hot repair, package low air brick condition etc..

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a front cross-sectional structure of a ladle according to the present invention;

fig. 3 is a schematic view of the structure of the steel ladle cover of the utility model.

In the figure: 1. a ladle; 2. a hook base; 3. a counterweight ring; 4. hanging a lug; 5. draining sand holes; 6. covering the steel ladle; 7. a hook plate; 8. a first hooking hole; 9. a second hooking hole; 10. a mounting seat; 11. installing a bolt; 12. a bottom impact region; 13. a nozzle pocket brick; 14. an air-permeable brick cup; 15. a refractory material soil; 16. a steel plate; 17. non-combustible rock wool; 18. a connecting bolt; 19. a heat-insulating sealing plate; 20. and (6) observing holes.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, a three-layer high-heat-preservation transfer cover steel ladle comprises a steel ladle 1, wherein non-combustible rock wool 17 is arranged on the inner wall of the steel ladle 1, the non-combustible rock wool 17 has good heat preservation and heat insulation performance so as to avoid heat loss in the steel ladle 1, a steel plate 16 is attached to the outer surface of the non-combustible rock wool 17 so as to protect the non-combustible rock wool 17 by the steel plate 16, refractory material soil 15 is attached to the outer surface of the steel plate 16 so as to improve the heat preservation and heat insulation performance of the steel ladle 1, a connecting bolt 18 is connected between the steel plate 16 and the non-combustible rock wool 17, and the connecting bolt 18 is positioned above the outer surface of the steel plate 16 and can replace the non-combustible rock wool 17.

Specifically, referring to fig. 1, a hook base 2 is fixed below one side of the outer surface of the steel ladle 1, and a hanging lug 4 is fixed on the outer surface of the mounting base 10, so that the hook base 2 and the hanging lug 4 are matched with each other, and the steel ladle 1 can be driven to incline by hooking the hook base 2 and the hanging lug 4 and lifting the hook base 2, and the molten steel can be poured out of the steel ladle 1.

Specifically, referring to fig. 2, a ladle bottom impact region 12 is disposed at a middle position below the inside of the ladle 1, so that the bottom of the ladle 1 is protected by the ladle bottom impact region 12 to avoid impact and damage of molten steel, and a nozzle pocket brick 13 and a gas permeable pocket brick 14 are respectively mounted below the inside of the ladle 1, so that the nozzle pocket brick 13 and the gas permeable pocket brick 14 can improve the process performance of the ladle 1.

Specifically, please refer to fig. 1, a ladle cover 6 is disposed on the top of the ladle 1, so that the ladle cover 6 covers the ladle 1, due to protection of the ladle cover, an operator can avoid radiant heat of the hot-red ladle, and the outer surface of the hook plate 7 is respectively provided with a first hook hanging hole 8 and a second hook hanging hole 9, so that the ladle cover 6 can be forked up by the fork passing through the first hook hanging hole 8 or the ladle cover 6 can be hung up by the hook passing through the second hook hanging hole 9 when the ladle cover 6 is uncovered, thereby improving the variety of uncovering.

Specifically, referring to fig. 3, a heat-insulating sealing plate 19 is installed at the bottom of the ladle cover 6, the diameter of the heat-insulating sealing plate 19 is equal to the inner diameter of the ladle 1, and the heat-insulating sealing plate 19 is made of glass wool, so as to improve the tightness between the ladle cover 6 and the ladle 1 and reduce the dissipation of heat inside the ladle 1.

Specifically, please refer to fig. 1 and 3, the ladle cover 6 is in close contact with the ladle 1, so as to improve the sealing performance of the ladle 1 and reduce the loss of heat inside the ladle 1, the bottom of the ladle cover 6 is respectively provided with a sand drainage hole 5 and an observation hole 20, the observation hole 20 is arranged in a conical shape, and the diameter of the top of the observation hole 20 is larger than that of the bottom, so as to facilitate the temperature measurement, sampling and hot repair of workers to check the slag line in the ladle, the condition of low air brick in the ladle, and the like.

The working principle is as follows: firstly, through being provided with incombustible rock wool 17 at the inner wall of ladle 1, because incombustible rock wool 17 has good heat preservation and heat insulation performance, in order to avoid the loss of heat energy that the inside heat of ladle 1 loses and causes, and the effectual damage that has slowed down the molten steel and has caused ladle 1, the life and the molten steel quality of ladle 1 have been improved, and be provided with steel sheet 16 at the surface of incombustible rock wool 17, make steel sheet 16 protect incombustible rock wool 17, be connected with connecting bolt 18 between incombustible rock wool 17 and steel sheet 16 simultaneously, can change the processing to incombustible rock wool 17, be provided with refractory material soil 15 at the surface of steel sheet 16 afterwards, in order to improve the fire-resistant and heat insulation performance of ladle 1, simultaneously through being provided with first hook hanging hole 8 and second hook hanging hole 9 respectively at the surface of hook board 7, make the accessible fork pass first hook hanging hole 8 and fork cover 6 fork or pass second hook through the lifting hook when taking off the steel cover 6 and handle Hanging hole 9 lifts up ladle cover 6, has improved the variety of taking off the lid to be provided with heat preservation closing plate 19 in the bottom of ladle cover 6, in order to improve the compactness between ladle cover 6 and the ladle 1, reduce the inside thermal scattering and disappearing of ladle 1, simultaneously through having seted up drainage sand hole 5 and observation hole 20 at the top of ladle cover 6, so that the staff temperature measurement, sample, examine in the package slag line when repairing hot, the low air brick condition of package etc..

Claims

1. The utility model provides a three-layer high heat retaining transports lid ladle, includes ladle (1), its characterized in that: the inner wall of the ladle (1) is provided with non-combustible rock wool (17), the outer surface of the non-combustible rock wool (17) is attached with a steel plate (16), and the outer surface of the steel plate (16) is attached with refractory material soil (15);

be connected with connecting bolt (18) between steel sheet (16) and incombustible rock wool (17), connecting bolt (18) are located the surface top of steel sheet (16).

2. The three-layer high thermal insulation transfer lid ladle of claim 1, wherein: the hook seat (2) is fixed on the lower portion of one side of the outer surface of the steel ladle (1), the counterweight ring (3) is arranged on the outer surface of the steel ladle (1), the mounting seat (10) is mounted on the outer surface of the counterweight ring (3) through a mounting bolt (11), and the hanging lugs (4) are fixed on the outer surface of the mounting seat (10).

3. The three-layer high thermal insulation transfer lid ladle of claim 2, wherein: a ladle bottom impact area (12) is arranged in the middle position of the lower portion of the interior of the ladle (1), a nozzle pocket brick (13) and an air pocket brick (14) are respectively installed on the lower portion of the interior of the ladle (1), and the nozzle pocket brick (13) and the air pocket brick (14) are respectively located on two sides of the ladle bottom impact area (12).

4. The three-layer high thermal insulation transfer lid ladle of claim 3, wherein: the steel ladle is characterized in that a steel ladle cover (6) is arranged at the top of the steel ladle (1), a hook plate (7) is fixed at the top of the steel ladle cover (6), a first hook hanging hole (8) and a second hook hanging hole (9) are respectively formed in the outer surface of the hook plate (7), the first hook hanging hole (8) is in a square arrangement, and the second hook hanging hole (9) is in a circular arrangement.

5. The three-layer high thermal insulation transfer lid ladle of claim 4, wherein: the bottom of ladle cover (6) is installed heat preservation closing plate (19), the diameter of heat preservation closing plate (19) equals the internal diameter of ladle (1), just heat preservation closing plate (19) adopt the cotton material of glass.

6. The three-layer high thermal insulation transfer lid ladle of claim 5, wherein: the ladle cover (6) is in close contact with the ladle (1), the bottom of the ladle cover (6) is respectively provided with a sand drainage hole (5) and an observation hole (20), the observation hole (20) is arranged in a conical manner, and the diameter of the top of the observation hole (20) is larger than that of the bottom of the observation hole.