CN217516971U

CN217516971U - Blast furnace iron runner

Info

Publication number: CN217516971U
Application number: CN202221562149.5U
Authority: CN
Inventors: 李洪波; 李勇伟; 马四凯; 魏振国; 李维锋
Original assignee: Shanghai Xintaishan High Temperature Engineering Material Co ltd; Shanghai Lier Refractory Material Co ltd
Current assignee: Shanghai Xintaishan High Temperature Engineering Material Co ltd; Shanghai Lier Refractory Material Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-30
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to the technical field of blast furnace tapping production, in particular to a blast furnace tapping runner, which comprises a tapping runner body, wherein an iron runner working layer is arranged inside the tapping runner body, a slag runner is arranged in the middle of the iron runner working layer, a permanent brick lining layer is arranged on the inner wall of the slag runner, a heat preservation layer is arranged on the outer wall of the lower side of the iron runner working layer, evenly distributed pipeline installation holes are arranged between the outer wall of the iron runner working layer and the heat preservation layer, a cooling pipeline is arranged inside the pipeline installation hole, and a steel protection plate is arranged on the outer wall of the heat preservation layer; the cooling pipeline comprises a water pipeline, the outer wall of the water pipeline is provided with heat conducting fins which are uniformly distributed and close to one side of the iron slag runner, the left end connector is arranged at the end part of the left side of the water pipeline, the inner wall of the left end connector is provided with a connecting slot, the whole structure is simple, the use is convenient, and the stability and the practicability are higher.

Description

Blast furnace iron runner

Technical Field

The utility model relates to the technical field of blast furnace tapping production, in particular to a blast furnace tapping channel.

Background

The blast furnace tapping runner is an important facility in front of a blast furnace, and mainly has the functions of buffering iron slag sprayed out of a blast furnace tapping hole, realizing iron slag separation, and further conveying the iron slag to a ladle and a slag flushing granulation facility respectively.

The existing blast furnace tapping channel is usually in a working environment with high temperature for a long time, which results in short service life, so that a blast furnace tapping channel is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blast furnace tapping channel to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a blast furnace iron runner comprises an iron runner body, wherein an iron runner working layer is arranged inside the iron runner body, a slag iron runner is arranged in the middle of the iron runner working layer, a permanent brick lining layer is arranged on the inner wall of the slag iron runner, a heat insulation layer is arranged on the outer wall of the lower side of the iron runner working layer, uniformly distributed pipeline installation holes are formed between the outer wall of the iron runner working layer and the heat insulation layer, cooling pipelines are arranged inside the pipeline installation holes, and a steel protection plate is arranged on the outer wall of the heat insulation layer;

the cooling pipeline includes the water pipeline, the outer wall of water pipeline installs evenly distributed's heat conduction fin and the one side that is close to the sediment iron runner, the left end connector is installed to the left side tip of water pipeline, connect slot has been seted up to the inner wall of left end connector, the right-hand member connector is installed to the right-hand member of water pipeline.

As the utility model discloses preferred scheme, the permanent brick inner liner upwards extends to the base face of tapping channel body, rings are installed to the base face symmetry of tapping channel body, rings downwardly extending to the inside of tapping channel body.

As the utility model discloses preferred scheme, permanent brick inner liner chooses for use high-alumina carborundum brick to build by laying bricks or stones and forms, the shape of sediment indisputable runner inner wall is "U" shape.

As the utility model discloses preferred scheme, the downside outer wall shape of iron runner body is the isosceles trapezoid of handstand, cooling duct is along the indisputable runner evenly distributed of sediment in the inside of iron runner body.

As the utility model discloses preferred scheme, water pipeline and heat conduction fin, left end connector, right-hand member connector are integrated into one piece structure.

As the utility model discloses preferred scheme, the mutual adaptation of size of connecting slot and right-hand member connector.

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

the utility model discloses in, through the cooling tube who sets up around slag runner evenly distributed, make this device wholly have better, more even cooling effect, meanwhile, the setting of heat conduction fin structure makes this device can be better with the leading-in cooling tube of the heat of slag runner department in, and then reduced the loss of this device to a certain extent, prolonged the life of this device, heat conduction fin only sets up the one side of being close to the slag runner in addition, make when this device cooling effect is good, can also practice thrift the cost to a certain extent.

Drawings

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

FIG. 2 is a schematic view of the right end structure of the present invention;

FIG. 3 is a schematic view of the structure of the cooling pipe of the present invention;

FIG. 4 is a schematic view of the internal structure of the tapping runner body of the present invention.

In the figure: 1. a tapping runner body; 101. a hoisting ring; 2. an iron runner working layer; 3. a slag iron runner; 4. a permanent brick lining layer; 5. a heat-insulating layer; 6. a pipeline mounting hole; 7. a cooling duct; 701. a water pipeline; 702. a heat conductive fin; 703. a left end connector; 704. connecting the slots; 705. a right end connector; 8. and (5) steel guard plates.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

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 invention belongs, and the use of the terms herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

a blast furnace tapping runner comprises a tapping runner body 1, wherein an iron runner working layer 2 is arranged inside the tapping runner body 1, a scrap iron runner 3 is arranged in the middle of the iron runner working layer 2, a permanent brick lining layer 4 is arranged on the inner wall of the scrap iron runner 3, a heat insulation layer 5 is arranged on the outer wall of the lower side of the iron runner working layer 2, evenly distributed pipeline installation holes 6 are formed between the outer wall of the iron runner working layer 2 and the heat insulation layer 5, cooling pipelines 7 are installed inside the pipeline installation holes 6, and a steel protection plate 8 is arranged on the outer wall of the heat insulation layer 5;

the cooling pipeline 7 comprises a water pipeline 701, heat conducting fins 702 which are uniformly distributed are arranged on the outer wall of the water pipeline 701 and on one side close to the slag iron runner 3, a left end connector 703 is arranged at the left end of the water pipeline 701, a connecting slot 704 is formed in the inner wall of the left end connector 703, and a right end connector 705 is arranged at the right end of the water pipeline 701.

Referring to fig. 1-4, the permanent brick lining layer 4 extends upwards to the base surface of the iron runner body 1, the lifting rings 101 are symmetrically installed on the base surface of the iron runner body 1, the lifting rings 101 extend downwards to the inside of the iron runner body 1, the permanent brick lining layer 4 is built by high-alumina silicon carbide bricks, the inner wall of the iron slag runner 3 is in a U shape, the outer wall of the lower side of the iron runner body 1 is in an inverted isosceles trapezoid shape, the cooling pipelines 7 are uniformly distributed along the iron slag runner 3 in the iron runner body 1, the water pipeline 701, the heat-conducting fin 702, the left-end connector 703 and the right-end connector 705 are in an integrally-formed structure, the connecting slot 704 and the right-end connector 705 are mutually matched in size, and the device has a better and more uniform cooling effect by the arranged cooling pipelines 7 uniformly distributed around the iron slag runner 3, and meanwhile, the structure of the heat-conducting fin 702 enables the device to better guide heat at the iron slag runner 3 to the cold runner 3 to be guided into the cold runner But in the pipeline 7, and then reduced the loss of this device to a certain extent, prolonged the life of this device, heat conduction fin 702 only sets up the one side that is close to slag runner 3 in addition for when this device cooling effect is good, can also practice thrift the cost to a certain extent.

The utility model discloses work flow: when in use, the device is arranged at a required position, then the front and the rear iron runner bodies 1 are butted, and then the cold water pipeline is connected with the cooling pipeline 7 of the device, in the using process, molten iron and iron slag flow from the iron slag runner 3, in the flowing process of the molten iron and the iron slag, heat carried by the device enters the cooling pipeline 7 through the heat-conducting fins 702 and exchanges heat with cold water in the cooling pipeline 7, so that the cooling effect is realized, the whole device has better and more uniform cooling effect through the arranged cooling pipeline 7 which is uniformly distributed around the iron slag runner 3, meanwhile, the arrangement of the structure of the heat-conducting fins 702 enables the device to better guide the heat at the iron slag runner 3 into the cooling pipeline 7, further, the loss of the device is reduced to a certain degree, and the service life of the device is prolonged, in addition, the heat conducting fins 702 are only arranged on one side close to the iron slag runner 3, so that the device has a good cooling effect and can save cost to a certain extent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 blast furnace casting runner, includes casting runner body (1), its characterized in that: an iron runner working layer (2) is arranged inside the iron runner body (1), a slag iron runner (3) is arranged in the middle of the iron runner working layer (2), a permanent brick lining layer (4) is arranged on the inner wall of the slag iron runner (3), a heat insulation layer (5) is arranged on the outer wall of the lower side of the iron runner working layer (2), evenly distributed pipeline mounting holes (6) are formed between the outer wall of the iron runner working layer (2) and the heat insulation layer (5), a cooling pipeline (7) is arranged inside the pipeline mounting holes (6), and a steel protection plate (8) is arranged on the outer wall of the heat insulation layer (5);

cooling tube (7) are including water pipeline (701), evenly distributed's heat conduction fin (702) is installed and be close to one side of slag iron runner (3) to the outer wall of water pipeline (701), left end connector (703) is installed to the left side tip of water pipeline (701), connect slot (704) have been seted up to the inner wall of left end connector (703), right-hand member connector (705) are installed to the right-hand member of water pipeline (701).

2. The blast furnace tapping runner of claim 1, wherein: permanent brick inner liner (4) upwards extend to the base face of iron runner body (1), rings (101) are installed to the base face symmetry of iron runner body (1), rings (101) downwardly extending to the inside of iron runner body (1).

3. A blast furnace runner according to claim 1, characterized in that: the permanent brick lining layer (4) is formed by building high-alumina silicon carbide bricks, and the inner wall of the slag iron runner (3) is U-shaped.

4. A blast furnace runner according to claim 1, characterized in that: the outer wall of the lower side of the iron runner body (1) is in an inverted isosceles trapezoid shape, and the cooling pipelines (7) are uniformly distributed along the iron slag runner (3) in the iron runner body (1).

5. A blast furnace runner according to claim 1, characterized in that: the water pipeline (701), the heat conduction fin (702), the left end connector (703) and the right end connector (705) are of an integrally formed structure.

6. A blast furnace runner according to claim 1, characterized in that: the sizes of the connecting slot (704) and the right end connector (705) are mutually matched.