CN2551654Y

CN2551654Y - Cantilevered cooling brick wall for blast furnace

Info

Publication number: CN2551654Y
Application number: CN 02228988
Authority: CN
Inventors: 张明正; 沈猛
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-06
Filing date: 2002-04-06
Publication date: 2003-05-21
Anticipated expiration: 2012-04-06

Abstract

The utility model relates to a blast-furnace cooling device, in particular to an externally projected shape brick-clad cooling wall of a blast furnace. A cooling cycling water pipe is arranged inside a cooling wall body, a plurality of refractory bricks are embedded on the inner surface of the cooling wall body at a certain spacing distance, and the refractory bricks extend out of the inner surface of the cooling wall body in certain length so that the refractory bricks embedded on the inner surface can be alternatively jogged with the masonry inner lining refractory bricks of the furnace body, so as to form a stable structure that is mutually dependent, mutually supported and mutually engaged, thereby preventing the falling of the inner lining refractory bricks of the blast furnace, prolonging the service life of the cooling wall, prolonging the service life of the furnace, increasing the output, reducing the production cost and increasing the economic benefit of enterprises.

Description

The blast furnace cooling stave of externally picking tyoe edge brick

(1) technical field: the utility model relates to a kind of blast furnace lining refrigerating unit, particularly relates to a kind of blast furnace cooling stave of externally picking tyoe edge brick.

(2) background technology: well-known, in order to prolong the furnace life of blast furnace, reduce production costs, need to give the blast furnace lining fire brick layer that the heat absorption refrigerating unit is installed, this device is commonly called as cooling stave.This body and function of cooling stave metallic substance is made, as cast iron, cast steel, or copper material, cooling water circulation pipeline is installed in body, at cooling base metal internal surface heat edge or cold edge or ramming refractory materials is arranged, do not rely on mutually between this refractory masses and the blast furnace lining refractory brick, this structure formation is through facts have proved, there is open defect, because the refractory brick that cooling stave is internally built by laying bricks or stones does not have supporting role, in blast furnace is produced, the refractory brick of building by laying bricks or stones comes off easily, cooling stave base metal internal surface is early exposed in abominable corrosive environment, cause cooling stave perishable, infiltration, leak, fracture causes shutdown maintenance, influence the blast furnace ordinary production, directly cause blast furnace can not reach the working life of expection, reduce output, increase cost.CN2436903Y, a kind of gradient fire proofed wood strip anchor cooling stave is made improvement to traditional cooling stave, promptly the anchor of Y type or V-type perverse by the welding or pouring procedure be fixed on the metal cools wall internal surface, then at cooling stave internal surface spray up n. refractory materials heat-conducting layer and the wear-resisting slag blanket of moulding, though the investment of refractory brick has been saved in this improvement, but the refractory materials density of spray up n. on the anchor thorn is not high, and use properties is not good, can not better solve the life problems of cooling stave.

(3) utility model content: the purpose of this utility model is: more thoroughly solve and build the refractory brick problem that easily comes off in the cooling stave by laying bricks or stones, prolong the cooling stave life-span, make the blast furnace cooling stave of externally picking tyoe edge brick.

The technical solution of the utility model is: a kind of blast furnace cooling stave of externally picking tyoe edge brick, cooling water circulation pipe is housed in the cooling stave body, distance is inlayed refractory brick in the cooling stave body internal surface at certain intervals, and it is inlayed refractory brick and stretches out surface, body internal surface place certain distance.

Inlay the refractory brick that stretches out at interval from the cooling stave body internal surface, its extrusion is 100～300mm.

Being embedded in cooling stave body internal surface edge brick lower surface and internal surface bus angle α is 70～130 °.

Edge brick thickness can be 50～160mm.

The spacing of each layer edge brick can be 50～160mm.

The cooling stave body adopts cast iron, cast steel, or copper material etc.

The edge brick can be used high alumina brick, and clay brick, burnt aluminum brick fuel, micropore burnt aluminum brick fuel, nitrogenize brick are matched grand corundum brick etc. in conjunction with charing silica brick.

Useful positively effect of the present utility model:

The blast furnace cooling stave of externally picking tyoe edge brick, the staggered rock steady structure that is bited into of refractory brick that refractory brick that the cooling stave internal surface inlays and blast furnace lining are built by laying bricks or stones.Avoided blast furnace lining build by laying bricks or stones refractory brick in use premature collapse fall, thereby better prolong work-ing life of cooling stave, prolong furnace life, improve furnace processor, reduce production costs, increase economic benefit of enterprises.

(4) description of drawings

The blast furnace cooling stave structural representation of Fig. 1 externally picking tyoe edge brick

Fig. 2 builds refractory brick embedded structure synoptic diagram by laying bricks or stones for the cooling stave and the furnace lining of externally picking tyoe blast furnace.

(5) concrete embodiment:

Embodiment one, referring to Fig. 1, among the figure, 1 is inserted type edge brick blast furnace cooling stave metal body structure, material can be cast iron, cast steel, copper material etc., 2 for being embedded in the refractory brick on the cooling stave metal body, edge brick lower surface and generatrix direction angle α are that to imbed the degree of depth be 50～100mm to 70～130 ° of edge bricks, edge brick extrusion is 100～300mm, edge brick thickness 50～100mm, and 3 build refractory brick by laying bricks or stones for furnace lining, between edge brick 2 and the furnace lining brick 3, the arrangement that intermeshes relies on mutually, and is engaged, support mutually, constitute the inserted type rock steady structure, make body of heater build inner lining refractory block by laying bricks or stones and be difficult for collapsing and, prolong the cooling stave life-span, improve the blast-furnace production campaign, increase output, reduce production costs, 4 is cooling water circulation pipe.

Claims

1. the blast furnace cooling stave of an externally picking tyoe edge brick is equipped with cooling water circulation pipe in the cooling stave body, and it is characterized in that: distance is inlayed refractory brick in the cooling stave body internal surface at certain intervals, and it is inlayed refractory brick and stretches out surface, body internal surface place certain distance.

2. according to the described cooling stave of claim 1, it is characterized in that: inlay the refractory brick that stretches out at interval from the cooling stave body internal surface, its extrusion is 100～300mm.

3. according to claim 1 or 2 described cooling staves, it is characterized in that: being embedded in cooling stave body internal surface edge brick lower surface and internal surface bus angle α is 70～130 °.

4. according to claim 1 or 2 described cooling staves, it is characterized in that: edge brick thickness can be 50～160mm.

5. according to claim 1 or 2 described cooling staves, it is characterized in that: the spacing of each layer edge brick can be 50～160mm.

6. according to claim 1 or 2 described cooling staves, it is characterized in that; The cooling stave body adopts cast iron, cast steel, or copper material etc.

7. cooling stave according to claim 1 and 2 is characterized in that: the edge brick can be used high alumina brick, and clay brick, burnt aluminum brick fuel, micropore burnt aluminum brick fuel, nitrogenize brick are matched grand corundum brick etc. in conjunction with charing silica brick.