Flow injection gas protection brick
The utility model discloses an injection flow gas protection brick which comprises a cylindrical wall and a base arranged on the lower portion of the cylindrical wall. The outer diameter of the top of the cylindrical wall is smaller than that of the bottom of the cylindrical wall; a protection brick...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an injection flow gas protection brick which comprises a cylindrical wall and a base arranged on the lower portion of the cylindrical wall. The outer diameter of the top of the cylindrical wall is smaller than that of the bottom of the cylindrical wall; a protection brick through hole is formed in the middle of the cylindrical wall, a plurality of gas channels are formed in the cylindrical wall and the base, one opening of each gas channel is located in the top end of the cylindrical wall, and the other opening of each gas channel is located in the side wall of the base. The gas protection device can improve the gas protection effect of the molten steel runner during molten steel casting, and the service life of the gas protection device is prolonged.
本实用新型公开了一种注流气体保护砖,包括筒形壁、底座,底座设置在筒形壁的下部;筒形壁的外形为圆锥台形,顶部外径小于底部外径;筒形壁中部为保护砖通孔,筒形壁和底座内设置有多个气体通道,气体通道的一个开口位于筒形壁的顶端,另一个开口位于底座的侧壁上。本实用新型能够提高钢水铸模时钢水流道的气体保护效果,增加气体保护装置使用寿命。 |
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