Alloy smelting steel ladle capable of reducing temperature drop

Abstract

The alloy smelting steel ladle capable of reducing the temperature drop comprises a steel layer, a heat preservation layer, a working layer, a discharging port and an opening and closing valve, the steel layer comprises a steel cylinder wall and a steel sealing bottom, the steel sealing bottom is arranged at one end of the steel cylinder wall in a sealing mode, the working layer comprises a working side wall built along the inner side of the steel cylinder wall and a working bottom table built along the top face of the steel sealing bottom, and the working side wall is arranged on the working bottom table. The heat preservation layer comprises a heat preservation side wall and a heat preservation sealing bottom, the heat preservation side wall is annularly arranged between the barrel wall and the working side wall, the heat preservation sealing bottom is arranged between the steel sealing bottom and the working bottom table, the discharging port sequentially penetrates through the working bottom table, the heat preservation sealing bottom and the steel sealing bottom downwards in the first direction, and the opening and closing valve is arranged at the bottom of the steel sealing bottom and located at a lower end opening of the discharging port. The control device is used for controlling opening and closing of the discharging port. The steel ladle capable of reducing the temperature drop for alloy smelting can effectively prevent the molten steel from generating large temperature drop during transportation and pouring operation, and the pouring quality of products is well guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal smelting, in particular to a ladle for alloy smelting which can reduce temperature drop. Background Art

[0002] The ladle is an important device in the metallurgical industry. In the pouring operation, it is mainly used to receive the molten steel from the upstream steelmaking furnace and transport the molten steel to the continuous casting site for pouring.

[0003] Existing ladles for alloy smelting generally use a pouring method for pouring operations. When pouring, the molten steel contacts the air over a large area, and the temperature drop is often large. At the same time, the temperature of the molten steel drops rapidly during transportation to the continuous casting site, which has a great impact on the final pouring operation, thereby greatly reducing the quality of the finished steel. Therefore, how to prevent the molten steel from experiencing a large temperature drop when using the ladles for transportation and pouring operations has become a problem that needs to be solved. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a ladle for alloy smelting which can reduce temperature drop, and is used to solve the problem of how to prevent a large temperature drop of molten steel when the ladle is used for transportation and pouring operations.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A steel ladle for alloy smelting capable of reducing temperature drop comprises a steel layer, an insulation layer, a working layer, a discharge port and an on-off valve, wherein the steel layer comprises a steel cylinder wall and a steel bottom seal, the steel bottom seal being sealed at one end of the steel cylinder wall, the working layer comprising a working side wall built along the inner side of the steel cylinder wall and a working base built along the top surface of the steel bottom seal, the insulation layer comprising an insulation side wall and an insulation bottom seal, the insulation side wall being annularly arranged between the cylinder wall and the working side wall, the insulation bottom seal being arranged between the steel bottom seal and the working base, the discharge port penetrating downwardly through the working base, the insulation bottom seal and the steel bottom seal in sequence along a first direction, the on-off valve being arranged at the bottom of the steel bottom seal, and the on-off valve being located at the lower end of the discharge port for controlling the opening and closing of the discharge port.

[0007] Optionally, the thermal insulation layer adopts nano thermal insulation board.

[0008] Optionally, the opening and closing valve includes a base and an opening and closing plate, the base is fixed to the bottom of the steel seal, a slide groove is provided on the base along the second direction, the first direction is perpendicular to the second direction, a discharge through hole connected to the discharge port is provided on the base along the first direction, and the end face of the discharge through hole coincides with the end face of the discharge port, the discharge through hole passes through the inside of the slide groove, and one end of the opening and closing plate can be slidably inserted in the slide groove to control the opening and closing of the discharge through hole.

[0009] Preferably, an opening and closing hole is provided on the opening and closing plate along the first direction. When one end of the opening and closing plate is inserted into the deepest part of the slide groove along the second direction, the end face of the opening and closing hole just coincides with the end face of the discharge hole, and the distance from the side wall of the opening and closing hole to the end face of one end of the opening and closing plate inserted into the base is greater than the aperture of the opening and closing hole.

[0010] Preferably, a traction hole is provided at the other end of the opening and closing plate.

[0011] Preferably, the base is detachably fixed to the bottom of the steel bottom cover by bolts.

[0012] Optionally, the alloy smelting ladle further comprises two lifting rings, which are symmetrically arranged on the outside of the steel cylinder wall.

[0013] Preferably, the ladle for alloy smelting further comprises a traction ring, which is arranged on the outside of the steel cylinder wall and close to the steel bottom seal.

[0014] Optionally, the steel bottom seal is sealed at one end of the steel cylinder wall by welding.

[0015] Optionally, the ladle for alloy smelting further comprises a plurality of supporting feet, which are respectively and evenly arranged at the bottom of the steel bottom seal, and the bottom surface of each supporting foot is lower than the bottom surface of the opening and closing valve.

[0016] Compared with the prior art, the alloy smelting ladle capable of reducing temperature drop of the utility model can effectively prevent large temperature drop of molten steel during transportation and pouring operations, thus ensuring the pouring quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a steel ladle for alloy smelting capable of reducing temperature drop in one embodiment of the utility model at one viewing angle;

[0018] Figure 2 This is a schematic structural diagram of a ladle for alloy smelting capable of reducing temperature drop in another perspective according to an embodiment of the utility model. DETAILED DESCRIPTION

[0019] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.

[0020] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] Please refer to Figure 1 and Figure 2 A ladle 100 for alloy smelting capable of reducing temperature drop comprises a steel layer 1, an insulation layer 2, a working layer 3, a discharge port 4 and an opening and closing valve 5.

[0022] The steel layer 1 comprises a steel cylinder wall 11 and a steel bottom seal 12 , and the steel bottom seal 12 is sealed at one end of the steel cylinder wall 11 .

[0023] The working layer 3 includes a working side wall 31 built along the inner side of the steel cylinder wall 11 and a working base 32 built along the top surface of the steel bottom cover 12 .

[0024] The heat-insulating layer 2 includes a heat-insulating side wall 21 and a heat-insulating bottom seal 22 . The heat-insulating side wall 21 is arranged between the cylinder wall and the working side wall 31 , and the heat-insulating bottom seal 22 is arranged between the steel bottom seal 12 and the working bottom platform 32 .

[0025] The discharge port 4 sequentially passes through the working bottom platform 32 , the heat-insulating bottom seal 22 and the steel bottom seal 12 downward along the first direction X. This facilitates the discharge of molten steel from the bottom of the ladle 100 .

[0026] The on-off valve 5 is disposed at the bottom of the steel bottom seal 12 , and the on-off valve 5 is located at the lower end of the discharge port 4 , and is used to control the opening and closing of the discharge port 4 .

[0027] Optionally, the thermal insulation layer 2 is made of a nano thermal insulation board, which has a better thermal insulation effect.

[0028] Optionally, the on-off valve 5 includes a base 51 and an opening and closing plate 52, the base 51 is fixed to the bottom of the steel bottom seal 12, a slide groove 511 is provided on the base 51 along the second direction Y, the first direction X is perpendicular to the second direction Y, a discharge through hole 512 connected to the discharge port 4 is provided on the base 51 along the first direction X, and the end face of the discharge through hole 512 coincides with the end face of the discharge port 4, the discharge through hole 512 passes through the inside of the slide groove 511, and one end of the opening and closing plate 52 is slidably inserted in the slide groove 511 to control the opening and closing of the discharge through hole 512. This arrangement makes it easy to control the discharge of the discharge port 4 through the opening and closing plate 52.

[0029] Preferably, an opening and closing through hole 521 is provided on the opening and closing plate 52 along the first direction X, and when one end of the opening and closing plate 52 is inserted into the deepest part of the chute 511 along the second direction Y, the end face of the opening and closing through hole 521 just coincides with the end face of the discharge through hole 512, and the distance L between the side wall of the opening and closing through hole 521 and the end face of one end of the opening and closing plate 52 inserted into the base 51 is greater than the aperture of the opening and closing through hole 521. In this way, molten steel can be effectively prevented from entering the chute 511 when the opening is performed, and sufficient margin of the opening and closing plate 52 can be ensured to close the discharge through hole 512 when the opening and closing plate 52 is pulled out of the chute 511.

[0030] Preferably, a traction hole 522 is provided at the other end of the opening and closing plate 52. This arrangement facilitates the sliding of the opening and closing plate 52 in the sliding groove 511.

[0031] Preferably, the base 51 is detachably fixed to the bottom of the steel bottom cover 12 by bolts. This arrangement facilitates the cleaning and maintenance of the opening and closing valve 5 and the discharge port 4.

[0032] Optionally, the alloy smelting ladle 100 further comprises two lifting rings 6, which are symmetrically arranged on the outside of the steel cylinder wall 11. Such an arrangement facilitates the lifting of the ladle 100.

[0033] Preferably, the alloy smelting ladle 100 further comprises a traction ring 7, which is arranged outside the steel cylinder wall 11 and close to the steel bottom cover 12. This arrangement facilitates traction of the ladle 100 when the ladle 100 is hoisted, and can more conveniently align the discharge port 4 of the ladle 100 with the feed port of the mold.

[0034] Optionally, the steel bottom seal 12 is sealed at one end of the steel cylinder wall 11 by welding. This arrangement provides better sealing performance for the steel ladle 100.

[0035] Optionally, the alloy smelting ladle 100 further includes a plurality of support legs 8, which are evenly arranged at the bottom of the steel bottom 12, and the bottom surface of each support leg 8 is lower than the bottom surface of the opening and closing valve 5. This arrangement facilitates the placement of the ladle 100 during transportation. In particular, three support legs may be provided.

[0036] The utility model discloses a steel ladle for alloy smelting capable of reducing temperature drop, which can effectively prevent large temperature drop of molten steel during transportation and pouring operations, and well ensures the pouring quality of the product.

[0037] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A ladle for alloy smelting capable of reducing temperature drop, characterized in that: It includes steel layer, insulation layer, working layer, discharge port and opening and closing valve; The steel layer comprises a steel cylinder wall and a steel bottom seal, wherein the steel bottom seal is sealed at one end of the steel cylinder wall; The working layer includes a working side wall built along the inner side of the steel cylinder wall and a working base built along the top surface of the steel bottom cover; The heat-insulating layer comprises a heat-insulating side wall and a heat-insulating bottom seal, wherein the heat-insulating side wall is arranged between the cylinder wall and the working side wall, and the heat-insulating bottom seal is arranged between the steel bottom seal and the working bottom platform; The discharge port passes through the working bottom platform, the heat-insulating bottom seal and the steel bottom seal in sequence downward along a first direction; The on-off valve is arranged at the bottom of the steel bottom seal, and the on-off valve is located at the lower end of the discharge port, and is used to control the opening and closing of the discharge port.

2. A ladle for alloy smelting capable of reducing temperature drop as claimed in claim 1, characterized in that: The thermal insulation layer adopts nano thermal insulation board.

3. The alloy smelting ladle capable of reducing temperature drop according to claim 1, characterized in that: The opening and closing valve includes a base and an opening and closing plate. The base is fixed to the bottom of the steel bottom cover. A slide groove is provided on the base along the second direction. The first direction is perpendicular to the second direction. A discharge through hole connected to the discharge port is provided on the base along the first direction. The end face of the discharge through hole coincides with the end face of the discharge port. The discharge through hole passes through the inside of the slide groove. One end of the opening and closing plate can be slidably inserted in the slide groove to control the opening and closing of the discharge through hole.

4. A ladle for alloy smelting capable of reducing temperature drop as claimed in claim 3, characterized in that: An opening and closing through hole is opened on the opening and closing plate along the first direction. When one end of the opening and closing plate is inserted into the deepest part of the slide groove along the second direction, the end face of the opening and closing through hole just coincides with the end face of the discharge through hole, and the distance between the side wall of the opening and closing through hole and the end face of one end of the opening and closing plate inserted into the base is greater than the aperture of the opening and closing through hole.

5. The alloy smelting ladle capable of reducing temperature drop as claimed in claim 3, characterized in that: The other end of the opening and closing plate is provided with a traction hole.

6. The alloy smelting ladle capable of reducing temperature drop as claimed in claim 3, characterized in that: The base is detachably fixed to the bottom of the steel bottom cover by bolts.

7. The alloy smelting ladle capable of reducing temperature drop according to claim 1, characterized in that: It also includes two hanging rings, which are symmetrically arranged on the outer side of the steel cylinder wall.

8. The alloy smelting ladle capable of reducing temperature drop as claimed in claim 7, characterized in that: It also includes a traction ring, which is arranged on the outside of the steel cylinder wall and close to the steel bottom seal.

9. The alloy smelting ladle capable of reducing temperature drop according to claim 1, characterized in that: The steel bottom seal is sealed at one end of the steel cylinder wall by welding.

10. The alloy smelting ladle capable of reducing temperature drop according to claim 1, characterized in that: It also includes a plurality of supporting feet, which are evenly arranged on the bottom of the steel bottom seal, and the bottom surface of each supporting foot is lower than the bottom surface of the on-off valve.

Images