Dual-layer dual-spiral cooling hot blast valve plate and work method thereof
A double helix, hot blast valve technology, applied in blast furnace parts, furnaces, heating furnaces, etc., can solve the problems of large heat loss, fatigue cracking of welding joints, etc., achieve small heat loss, overcome large cooling water consumption, and reduce heat The effect of passing
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[0016] In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific examples are given in conjunction with the drawings, and detailed descriptions are made as follows.
[0017] Such as Figure 1~3 As shown, a double-layer double spiral cooling hot air valve valve plate includes a valve plate body 1, which is separated from adjacent upper water channels 3 and lower water channels 4 by a partition plate 2, between the upper water channel and the lower water channel Connected by the connecting shaft 5, the upper water channel and the lower water channel include the outer water ring 6, the inner wall 7, the double spiral cooling water channel 8, and the connecting shaft from the outside to the inside. Among them: the outer water ring and the inner wall of the same layer The outer ring water channel 9 is formed between the outer ring water channel of the same layer and the outer end of the double spiral cooling water...
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