CN210765368U

CN210765368U - Brick inlaying and brick combining for blast furnace cooling wall and cooling wall structure

Info

Publication number: CN210765368U
Application number: CN201921789392.9U
Authority: CN
Inventors: 屈俊杰; 李�杰; 胡显波; 李少强; 贾娟鱼; 游梅英; 郭隆; 杜鹃; 习琛; 龙孟
Original assignee: CISDI Engineering Co Ltd
Current assignee: CISDI Engineering Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-16
Anticipated expiration: 2029-10-23

Abstract

The utility model belongs to the technical field of metallurgy, and relates to a blast furnace cooling wall brick inlaying, brick inlaying combination and a cooling wall structure, which comprises an inlaying brick body, wherein one end of the inlaying brick is provided with a dovetail joint, and the inlaying brick is relatively provided with a local sunken structure and a local raised structure on the side wall of one end far away from the dovetail joint; adjacent inlaid bricks are sequentially inlaid and fixed through a local sunken structure and a local raised structure to form a protective wall body; the cooling wall is provided with a plurality of dovetail grooves, and the dovetail tenons are clamped and matched with the dovetail grooves, so that the inlaid bricks or the inlaid brick combination is fixed on the cooling wall; the utility model discloses be equipped with local sunk structure and local protrusion structure on inlaying the brick respectively for the interlocking is inlayed to adjacent inlaying the brick from top to bottom, even there is the part to inlay the brick and produce the crackle in inlaying the concave folding department of brick section sudden change, and the brick that inlays of fracture part also can be together fixed with adjacent inlaying the brick, can not drop, keeps the integrality that the brick was inlayed to the stave, can continue to protect the stave, thereby extension stave life-span.

Description

Brick inlaying and brick combining for blast furnace cooling wall and cooling wall structure

Technical Field

The utility model belongs to the technical field of the metallurgy, a blast furnace stave inlays brick, inlays brick combination and stave structure.

Background

The stave is an important cooling device of the blast furnace, and the brick-inlaid type stave is generally designed into a dovetail groove structure form so as to be inlaid with refractory bricks. Inlay brick and stave and interdependent together, inlay the brick and keep apart stave and the high temperature in the stove, prevent that the stave from directly exposing by wearing and tearing in high temperature environment, and the stave in time passes away the heat of inlaying the brick through the cooling water, provides shell protection and supporting role for inlaying the brick simultaneously, and both combined action play important guarantee to the long life of blast furnace. Therefore, if the insert is damaged, the stave life is drastically shortened, thereby affecting the life of the blast furnace.

The brick structure of inlaying of traditional stave is under the heated state owing to inlay the inside thermal stress that produces of brick and appear the fracture very easily in inlaying the concave folding department of brick section sudden change, and then drops, makes the stave expose under high temperature environment, and rapid wearing and tearing shorten the stave life-span, and then influence the blast furnace life-span.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a brick is inlayed to blast furnace stave, inlay brick combination and stave structure can avoid inlaying the brick and drop when inlaying the concave folding department of brick section sudden change and having taken place the crackle, keeps the stave to inlay the wholeness of brick, plays the protection stave, avoids the stave directly by the effect of wearing and tearing to prolong the stave life-span.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a brick is inlayed to blast furnace stave, is provided with the forked tail tenon including inlaying the brick body, should inlaying one of brick, inlays the brick and is provided with local sunk structure and local protruding structure on the lateral wall of keeping away from the one end of forked tail tenon relatively.

Optionally, the length dimension of the local convex structure does not exceed the length dimension of the local concave structure.

Optionally, the depth dimension of the local convex structures does not exceed the depth dimension of the local concave structures.

Optionally, the inlaid brick is a dense clay brick, a high-alumina brick, a fired alumina-carbon brick, a microporous brick, a silicon nitride-bonded silicon carbide brick or a steel fiber-bonded refractory brick.

A blast furnace cooling wall tile-inlaid combination is applied to the blast furnace cooling wall tile-inlaid combination, and adjacent tiles are sequentially inlaid and fixed through a local concave structure and a local convex structure to form a protective wall body.

Optionally, no gap is left between the adjacent inlaid bricks at the connection close to one end of the dovetail joint, so that the protective wall is a sealed wall and used for isolating high temperature.

A blast furnace stave structure is applied to the blast furnace stave brick inlaying combination, and comprises a stave, wherein a plurality of dovetail grooves are arranged on the stave, and dovetail joints on the brick inlaying are in clamping matching with the dovetail grooves on the stave; the inlaid bricks are fixed on the cooling wall.

Optionally, the stave is a cast iron stave or a copper stave.

The beneficial effects of the utility model reside in that:

the utility model discloses a brick is inlayed to blast furnace stave, inlay brick combination and stave structure is equipped with local sunk structure and local protrusion structure on inlaying the brick respectively for the interlocking is inlayed to adjacent brick of inlaying from top to bottom, even there is some to inlay the brick and produce the crackle in the recess of inlaying the abrupt change of brick section, the brick of inlaying of fracture part also can be in the same place with adjacent brick of inlaying is fixed, can not drop, keep the stave to inlay the integrality of brick, can continue to protect the stave, thereby extension stave life-span.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure of a cooling wall structure of a blast furnace according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of a brick-inlaid structure, a brick-inlaid combination and a stave structure according to an embodiment 1 of the present invention;

FIG. 3 is a schematic view of the overall structure of a cooling stave structure of a blast furnace according to embodiment 2 of the present invention;

fig. 4 is a schematic view of the brick-inlaid structure, the brick-inlaid combination and the cooling wall structure of the cooling wall of the blast furnace according to embodiment 2 of the present invention.

Reference numerals: the cooling wall comprises a cooling wall 1, an embedded brick 2, a local convex structure 3, a local concave structure 4 and a dovetail joint 5.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

In the specific embodiment 1, the method comprises the following steps of,

referring to fig. 1 to 2, a blast furnace stave brick includes a brick body 2, a dovetail 5 is disposed on one end of the brick body 2, and a local concave structure 4 and a local convex structure 3 are disposed on a side wall of the brick body 2 opposite to the end far from the dovetail 5; the length dimension of the local convex structures 3 is consistent with that of the local concave structures 4; the inlaid brick 2 is a compact clay brick, a high-alumina brick, a fired alumina-carbon brick, a microporous brick, a silicon nitride combined silicon carbide brick or a steel fiber combined refractory brick.

In the present embodiment, the depth dimension of the local convex structures 3 coincides with the depth dimension of the local concave structures 4.

A blast furnace cooling wall tile-inlaid combination is applied to the blast furnace cooling wall tile-inlaid, and adjacent tiles 2 are sequentially inlaid and fixed through local concave structures 4 and local convex structures 3 to form a protective wall body; no gap is left between the adjacent embedded bricks 2 at the end close to the dovetail joint 5, so that the protective wall is a sealed wall and is used for isolating high temperature.

In this embodiment, the blast furnace stave brick combination is flush with the end face of the end facing away from the dovetail 5.

A blast furnace stave structure, apply as the above-mentioned blast furnace stave brick setting combination, including stave 1, there are several dovetail grooves on stave 1, the dovetail 5 on the brick setting 2 is matched with dovetail groove joint on stave 1; fixing the inlaid brick 2 on the cooling wall 1; the cooling wall 1 is a cast iron cooling wall 1 or a copper cooling wall 1.

In the specific embodiment 2, the method comprises the following steps of,

the difference from the specific embodiment 1 is that in this embodiment, the depth dimension of the local convex structure 3 is smaller than the depth dimension of the local concave structure 4, and the combination of the brick 2 on the end surface of the blast furnace cooling wall 1, which is far away from the dovetail 5, is in a step shape, so that slag can be attached to the inside of the furnace.

The utility model discloses be equipped with local sunk structure 4 and local protruding structure 3 on every inlay brick 2 respectively, make upper and lower adjacent inlay brick 2 inlay the interlocking, under the effect of this kind of interlocking structure, it is more firm to inlay brick 2 and stave 1 inlays, even there is some to inlay brick 2 and produce the crackle in the concave department of folding of inlaying 2 section sudden changes of brick, the part of splitting inlay brick 2 also can be in the same place with adjacent inlay brick 2 is fixed, can not drop, keep inlaying the integrality of brick 2 on the stave 1, can continue to protect stave 1, thereby prolong stave 1 life-span.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a brick is inlayed to blast furnace stave which characterized in that: including inlaying the brick body, should inlaying one of brick and serving and be provided with the forked tail, inlay the brick and be provided with local sunk structure and local protruding structure relatively on the lateral wall of the one end of keeping away from the forked tail.

2. The blast furnace stave insert of claim 1, wherein: the length dimension of the local convex structure does not exceed the length dimension of the local concave structure.

3. The blast furnace stave insert of claim 1, wherein: the depth dimension of the local convex structures does not exceed the depth dimension of the local concave structures.

4. The blast furnace stave insert of claim 1, wherein: the inlaid brick is a compact clay brick, a high-alumina brick, a fired alumina-carbon brick, a microporous brick, a silicon nitride combined silicon carbide brick or a steel fiber combined refractory brick.

5. A blast furnace stave brick combination using the blast furnace stave brick of any one of claims 1 to 4, wherein: adjacent inlaid bricks are sequentially inlaid and fixed through the local sunken structures and the local raised structures to form a protective wall body.

6. The blast furnace stave brick combination of claim 5 wherein: no gap is reserved between the adjacent inlaid bricks and the connection close to one end of the dovetail joint, so that the protective wall body is a sealed wall body and is used for isolating high temperature.

7. A blast furnace stave structure using the blast furnace stave brick combination according to claim 5, wherein: the cooling wall is provided with a plurality of dovetail grooves, and dovetail tenons on the inlaid bricks are clamped and matched with the dovetail grooves on the cooling wall, so that the inlaid bricks are fixed on the cooling wall.

8. The stave structure of claim 7 wherein: the cooling wall is a cast iron cooling wall or a copper cooling wall.