CN201561649U

CN201561649U - Combined brick for large-size submerged arc furnace iron-notch

Info

Publication number: CN201561649U
Application number: CN200920224218XU
Authority: CN
Inventors: 李健伟; 孙艳娜; 石欣; 李伟; 刘宏昌
Original assignee: 李健伟; 孙艳娜; 石欣; 李伟; 刘宏昌
Current assignee: Henan Fangyuan Carbon Group Co., Ltd.
Priority date: 2009-10-19
Filing date: 2009-10-19
Publication date: 2010-08-25
Anticipated expiration: 2019-10-19

Abstract

The utility model relates to a combined brick for a large-size submerged arc furnace iron-notch, which comprises a bore iron-notch brick. One end of the bore iron-notch brick is internally embedded with a heat conducting graphite sleeve I, wherein the center of the heat conducting graphite sleeve I is provided with a center hole; the bore iron-notch brick and the transverse end face of the heat conducting graphite sleeve I are abreast; a heat conducting graphite sleeve II is arranged on the abreast transverse end face of the bore iron-notch brick and the heat conducting graphite sleeve I; and the center of the heat conducting graphite sleeve II is provided with the center hole. The technical scheme of the utility model is that the iron-notch structure uses big bore half graphite carbon-silicon carbide iron-notch brick and the high heat conducting graphite sleeve is built-in so as to decrease the brickwork joint, efficiently ensure the tightness of the iron-notch, and conveniently construct, maintain and exchange.

Description

The hot stove tapping hole of large ore modular tile

Technical field

The utility model relates to a kind of tapping hole brick, is specifically related to the hot stove tapping hole of a kind of large ore modular tile.

Background technology

At present, tapping hole commonly used adopts brick body size little, generally reaches ten more than the hundreds of piece, and therefore the brickwork joint of building by laying bricks or stones is many, and bulk strength is low, wastes time and energy when building by laying bricks or stones.Iron mouth coal gas and smelting thing cause that brickwork joint expansion makes brick loosening in the use, and then the infiltration of slag iron causes iron mouth modular tile badly broken.In addition, iron mouth brick material commonly used mainly adopts aluminosilicate material (as high-alumina brick, compound brown corundum brick, corundum-mullite brick) and brick fuel, because the spalling resistance and the slag resistance of aluminosilicate property material are bad, the antioxygenic property of brick fuel is bad, and these all are to cause iron mouth brick short factor projected life.

The utility model content

The technical problem to be solved in the present invention is that existing tapping hole brick brick body size is little, the brickwork joint of building by laying bricks or stones is many, bulk strength is low, waste time and energy when building by laying bricks or stones and have iron mouth brick spalling resistance and the bad technical problem of anti-scour property now, provide a kind of and build that brickwork joint is few, bulk strength is high, the hot stove tapping hole of large ore alkaline-resisting, that anti-scour property is good modular tile by laying bricks or stones.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:

The hot stove tapping hole of large ore of the present utility model modular tile, it is characterized in that: it comprises boring iron mouth brick, be inlaid with high conductive graphite cover I in an end inside of boring iron mouth brick, high conductive graphite cover I center is provided with centre bore, boring iron mouth brick is concordant with the horizontal end face of high conductive graphite cover I, on the concordant horizontal end face of boring iron mouth brick and high conductive graphite cover I, be provided with conductive graphite cover II, be provided with centre bore in conductive graphite cover II center.

Described boring iron mouth brick is the boring iron mouth brick that schungite carbon-carborundum material and high-heat conductivity graphite material are made.

In the technical solution of the utility model, from the iron mouth structure, adopt bulk boring schungite carbon-charing ferrosilicon mouth brick, therefore the high conductive graphite cover of interior edge has reduced brickwork joint, has guaranteed the tightness of iron mouth effectively, and construction, maintenance, change convenient.On the Material Selection, bulk boring iron mouth brick uses schungite carbon-charing silica brick to make, it has good anti-thermal shock, heat conduction, alkali resistance and resistance to slag corrosion, and the high conductive graphite cover of interior edge is because the graphite cannula good heat conductivity, reduced thermal stress, avoided stress to concentrate, thermal coefficient of expansion is low, and volume stability is preferably at high temperature arranged, the elevated temperature strength height, anti-characteristics such as wash away.The reasonable disposition of these two kinds of materials has prolonged service life of iron mouth.The utlity model has following concrete advantage:

(1) adopt bulk boring iron mouth brick, the high conductive graphite cover of interior edge is built the iron mouth by laying bricks or stones, can reduce the puzzle joint of iron oral area position, has effectively protected the tightness of iron mouth, and construction is changed conveniently.

(2) application of this iron mouth has solved iron mouth dry slag iron phenomenon, improved the thermal shock resistance of iron mouth, has alleviated cracking and breakage that thermal stress has caused brick fuel.

(3) Application and Development of this iron mouth has prolonged the whole service life of the hot stove in ore deposit.

Description of drawings

Fig. 1 is the cutaway view of the hot stove tapping hole in the medium-and-large-sized ore deposit of the utility model with modular tile;

Fig. 2 is the cutaway view of boring iron mouth brick in the utility model;

Fig. 3 is the right view of Fig. 2 in the utility model;

Fig. 4 is the cutaway view of high conductive graphite cover I in the utility model;

Fig. 5 is the right view of Fig. 4 in the utility model;

Fig. 6 is the cutaway view of conductive graphite cover II in the utility model;

Fig. 7 is the right view of Fig. 6 in the utility model.

The specific embodiment

As shown in the figure, the hot stove tapping hole of large ore of the present utility model modular tile, it comprises boring iron mouth brick 1, be inlaid with high conductive graphite cover I 2 in an end inside of boring iron mouth brick 1, high conductive graphite cover I 2 centers are provided with centre bore, boring iron mouth brick 1 is concordant with the horizontal end face of high conductive graphite cover I 2, is provided with conductive graphite cover II 3 on the concordant horizontal end face of boring iron mouth brick and high conductive graphite cover I, is provided with centre bore in conductive graphite cover II 3 centers.

Claims

1. the hot stove tapping hole of large ore modular tile, it is characterized in that: it comprises boring iron mouth brick, end inside at boring iron mouth brick is inlaid with conductive graphite cover I, conductive graphite cover I center is provided with centre bore, boring iron mouth brick is concordant with the horizontal end face of conductive graphite cover I, on the concordant horizontal end face of boring iron mouth brick and conductive graphite cover I, be provided with conductive graphite cover II, be provided with centre bore in conductive graphite cover II center.