CN212945419U

CN212945419U - Ladle nozzle pocket brick structure

Info

Publication number: CN212945419U
Application number: CN202021312313.8U
Authority: CN
Inventors: 王凤君
Original assignee: 王凤君
Current assignee: Anshan Jiahe new material development Co.,Ltd.
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-13
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a ladle nozzle brick cup structure, including the brick cup body, the top of brick cup body is provided with the mouth of a river, the bottom intercommunication of going up the mouth of a river has first recess, the bottom intercommunication of first recess has the second recess, the bottom intercommunication of second recess has the third recess, the bottom intercommunication of third recess has the fourth recess, the top of brick cup body is provided with the standing groove. The utility model discloses a cooperation of last mouth of a river, standing groove and sheath through placing the sheath in the standing groove, protects the last mouth of a river, can delay the erosion of the last mouth of a river, and when the sheath damaged, only need to change the sheath and just can continue to use, through the cooperation of second recess and third recess, can avoid the molten steel to directly erode the brick cup, improve the antiscour performance, prolonged the maintenance cycle of ladle to reach long service life's effect, solved the problem that current device life is short.

Description

Ladle nozzle pocket brick structure

Technical Field

The utility model relates to a mouth of a river brick cup technical field specifically is a ladle mouth of a river brick cup structure.

Background

The ladle is a container for holding molten steel in metallurgical industry, and is made of a steel shell, refractory bricks are built in the ladle, the molten steel flows out from a nozzle arranged on a brick cup at the bottom for casting, the ladle is used for receiving the molten steel and performing casting operation in front of an open hearth, an electric furnace or a converter in a steel plant and a foundry, the brick cup is a refractory brick built at the bottom of a steel holding barrel and used for fixing the nozzle brick, the shape of the brick cup is square, so the brick cup is also called as a square brick, and the brick cup is used for fixing the position of the nozzle; the water port is convenient to disassemble and assemble; supporting the lower end of the stopper rod during pouring; when the pouring is finished, the stopper rod slides to the nozzle along the cambered surface to cut off the pouring flow, and the upper opening of the nozzle on the brick cup is gradually damaged and the brick cup can also expand a hole due to the erosion of molten steel and the erosion of steel slag in the using process, so that the service life of the nozzle on the ladle is limited

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ladle nozzle pocket brick structure possesses long service life's advantage, has solved the problem that current device life is short.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ladle nozzle pocket brick structure, includes the pocket brick body, the top of pocket brick body is provided with the mouth of a river, the bottom intercommunication of the mouth of a river has first recess, the bottom intercommunication of first recess has the second recess, the bottom intercommunication of second recess has the third recess, the bottom intercommunication of third recess has the fourth recess, the top of pocket brick body is provided with the standing groove, the inner chamber of the mouth of a river is provided with the sheath, the inner chamber of sheath is provided with the inoxidizing coating.

Preferably, the first groove and the third groove are both trapezoidal in shape, and the second groove and the fourth groove are both cylindrical in shape.

Preferably, the top of the surface of the sheath is fixedly connected with a retainer ring, and the diameter of the outer ring of the retainer ring is equal to that of the inner cavity of the placing groove.

Preferably, the protective layer comprises a heat insulation layer and a fireproof layer, the inner cavity of the sheath is provided with the heat insulation layer, and the inner side of the heat insulation layer is provided with the fireproof layer.

Preferably, the heat insulation layer is made of perlite, the fireproof layer is made of aluminum fire clay, and the fireproof layer is coated on the surface of the heat insulation layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of last mouth of a river, standing groove and sheath through placing the sheath in the standing groove, protects the last mouth of a river, can delay the erosion of the last mouth of a river, and when the sheath damaged, only need to change the sheath and just can continue to use, through the cooperation of second recess and third recess, can avoid the molten steel to directly erode the brick cup, improve the antiscour performance, prolonged the maintenance cycle of ladle to reach long service life's effect, solved the problem that current device life is short.

2. The utility model discloses a shape of designing first recess and third recess is trapezoidal, improves the scour resistance ability, and the shape through designing second recess and fourth recess is cylindrical, avoids the molten steel directly to cause the damage to the combination department of recess, through designing the flame retardant coating for with aluminium matter fireclay, avoids the molten steel directly to cause the erosion to the sheath, improves life.

Drawings

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

FIG. 2 is a perspective view of the sheath structure of the present invention;

fig. 3 is a front view of the structure of the thermal insulation layer of the present invention.

In the figure: 1. a brick cup body; 2. a water feeding port; 3. a first groove; 4. a second groove; 5. a third groove; 6. a fourth groove; 7. a placement groove; 8. a sheath; 9. a protective layer; 91. a thermal insulation layer; 92. a fire barrier layer; 10. and a retainer ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a ladle nozzle pocket brick structure comprises a pocket brick body 1, wherein a water feeding port 2 is arranged at the top of the pocket brick body 1, a first groove 3 is communicated with the bottom of the water feeding port 2, a second groove 4 is communicated with the bottom of the first groove 3, a third groove 5 is communicated with the bottom of the second groove 4, the first groove 3 and the third groove 5 are both trapezoidal, the second groove 4 and the fourth groove 6 are both cylindrical, the first groove 3 and the third groove 5 are both trapezoidal, so that the erosion resistance is improved, the second groove 4 and the fourth groove 6 are both cylindrical, so that the damage of molten steel on the joint of the grooves is avoided, the fireproof layer 92 is made of aluminum fire clay, so that the molten steel is prevented from directly corroding the sheath 8, the service life is prolonged, the bottom of the third groove 5 is communicated with the fourth groove 6, the top of the brick cup body 1 is provided with a placing groove 7, the inner cavity of the water feeding port 2 is provided with a sheath 8, the top of the surface of the sheath 8 is fixedly connected with a retainer ring 10, the diameter of the outer ring of the retainer ring 10 is equal to the diameter of the inner cavity of the placing groove 7, the inner cavity of the sheath 8 is provided with a protective layer 9, the protective layer 9 comprises a heat insulation layer 91 and a fire-proof layer 92, the inner cavity of the sheath 8 is provided with the heat insulation layer 91, the inner side of the heat insulation layer 91 is provided with the fire-proof layer 92, the heat insulation layer 91 is made of perlite, the fire-proof layer 92 is made of aluminum fire clay, the fire-proof layer 92 is coated on the surface of the heat insulation layer 91, through the matching of the water feeding port 2, the placing groove 7 and the sheath 8, the water feeding port 2 is protected, the erosion of the water feeding port 2 can be delayed, the direct erosion of the steel water to the brick cup can be avoided, the anti-scouring performance is improved, the maintenance period of the steel ladle is prolonged, the effect of long service life is achieved, and the problem of short service life of the existing device is solved.

During the use, through placing sheath 8 in standing groove 7, protect upper nozzle 2, can delay upper nozzle 2's erosion, and when sheath 8 damaged, only need to change sheath 8 and just can continue to use, through the cooperation of second recess 4 and third recess 5, can avoid the direct erosion of molten steel to the brick cup, improve the scour resistance ability, the maintenance cycle of ladle has been prolonged, for using aluminium matter fireclay through design flame retardant coating 92, avoid the molten steel directly to cause the erosion to sheath 8, and the service life is prolonged, thereby the effect of long service life is reached.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ladle nozzle pocket brick structure, includes pocket brick body (1), its characterized in that: the improved brick cup is characterized in that an upper nozzle (2) is arranged at the top of the brick cup body (1), a first groove (3) is communicated with the bottom of the upper nozzle (2), a second groove (4) is communicated with the bottom of the first groove (3), a third groove (5) is communicated with the bottom of the second groove (4), a fourth groove (6) is communicated with the bottom of the third groove (5), a placing groove (7) is arranged at the top of the brick cup body (1), a sheath (8) is arranged in an inner cavity of the upper nozzle (2), and a protective layer (9) is arranged in an inner cavity of the sheath (8).

2. The ladle nozzle pocket brick structure of claim 1, wherein: the first groove (3) and the third groove (5) are both trapezoidal in shape, and the second groove (4) and the fourth groove (6) are both cylindrical in shape.

3. The ladle nozzle pocket brick structure of claim 1, wherein: the top on the surface of the sheath (8) is fixedly connected with a retainer ring (10), and the diameter of the outer ring of the retainer ring (10) is equal to that of the inner cavity of the placing groove (7).

4. The ladle nozzle pocket brick structure of claim 1, wherein: the protective layer (9) comprises a heat insulation layer (91) and a fireproof layer (92), the inner cavity of the sheath (8) is provided with the heat insulation layer (91), and the inner side of the heat insulation layer (91) is provided with the fireproof layer (92).

5. The ladle nozzle pocket brick structure of claim 4, wherein: the material of insulating layer (91) is the pearlite, flame retardant coating (92) are for using aluminium matter fireclay, flame retardant coating (92) coating is on the surface of insulating layer (91).