阅读说明：本技术 一种高炉冷却壁镶砖、镶砖组合及冷却壁结构 (Brick inlaying and brick combining for blast furnace cooling wall and cooling wall structure ) 是由 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 于 2019-10-23 设计创作，主要内容包括：本发明属于冶金技术领域,涉及一种高炉冷却壁镶砖、镶砖组合及冷却壁结构,包括镶砖本体,镶砖的一端上设置有燕尾榫,镶砖在远离燕尾榫的一端的侧壁上相对设置有局部凹陷结构以及局部凸起结构；相邻的镶砖通过局部凹陷结构以及局部凸起结构依次镶嵌固定,形成保护墙体；还包括冷却壁,冷却壁上设置有若干燕尾槽,燕尾榫与燕尾槽卡接匹配设置,使镶砖或镶砖组合固定在冷却壁上；本发明在镶砖上分别设有局部凹陷结构和局部凸出结构,使得上下相邻的镶砖镶嵌互锁,即使有部分镶砖在镶砖断面突变的凹折处产生裂纹,断裂部分的镶砖也能和相邻的镶砖固定在一起,不会脱落,保持冷却壁镶砖的完整性,得以继续保护冷却壁,从而延长冷却壁寿命。(The invention belongs to the technical field of metallurgy, and relates to a blast furnace cooling wall inlaid brick, a brick inlaid combination and a cooling wall structure, which comprise a brick inlaid body, wherein one end of the inlaid brick is provided with a dovetail joint, and the side wall of the inlaid brick at one end far away from the dovetail joint is relatively provided with a local concave structure and a local convex structure; 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; according to the invention, the inlaid bricks are respectively provided with the local concave structures and the local convex structures, so that the adjacent inlaid bricks are inlaid and interlocked, even if some inlaid bricks generate cracks at the concave positions with abrupt changes of the cross sections of the inlaid bricks, the inlaid bricks at the broken parts can be fixed with the adjacent inlaid bricks, the inlaid bricks cannot fall off, the integrity of the inlaid bricks of the cooling wall is maintained, the cooling wall is continuously protected, and the service life of the cooling wall is prolonged.)

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.

Technical Field

The invention belongs to the technical field of metallurgy, and relates to a blast furnace cooling wall inlaid brick, a inlaid brick combination and a cooling wall 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.

Disclosure of Invention

In view of the above, the present invention provides a blast furnace stave brick, a combination of the same, and a stave structure, which can prevent the brick from falling off when a crack occurs at a concave portion where the section of the brick breaks, maintain the integrity of the stave brick, protect the stave, and prevent the stave from being directly worn, thereby prolonging the life of the stave.

In order to achieve the purpose, the invention provides the 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 invention has the beneficial effects that:

according to the blast furnace cooling wall inlaid brick, the inlaid brick combination and the cooling wall structure disclosed by the invention, the inlaid bricks are respectively provided with the local concave structure and the local convex structure, so that the adjacent inlaid bricks are inlaid and interlocked, even if some inlaid bricks generate cracks at the concave folding part with the abrupt change of the section of the inlaid brick, the inlaid bricks at the broken part can be fixed with the adjacent inlaid bricks, the adjacent inlaid bricks cannot fall off, the integrity of the inlaid bricks of the cooling wall is kept, the cooling wall can be continuously protected, and the service life of the cooling wall is prolonged.

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 combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects 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 blast furnace stave brick insert, a brick insert combination and a stave structure according to an 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 of the present invention, which is shown in FIG. 1;

FIG. 3 is a schematic view showing the overall structure of a blast furnace stave insert brick, a brick insert combination and a stave structure according to an embodiment 2 of the present invention;

FIG. 4 is a schematic view of a brick-inlaid structure, a brick-inlaid combination and a stave structure of a blast furnace stave according to an 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 embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope 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 in a schematic way, 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 the drawings in which there is no intention to limit the invention thereto; to better illustrate 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 components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.