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 embodiments are described in detail with reference to the accompanying drawings.
[0017] Such as Figure 1~3 As shown, a double-layer double-helix cooling hot air valve valve plate includes a valve plate body 1, and the interior of the valve plate body is separated by an interlayer plate 2 to separate the adjacent upper water channel 3 and the lower water channel 4, between the upper water channel and the lower water channel Connected through the connecting shaft 5, the upper water channel and the lower water channel include the outer water ring 6, the inner wall plate 7, the double-helix cooling water channel 8, and the connecting shaft from the outside to the inside. Outer ring water channels 9 are formed between them, the outer ring water channels of the same layer are connected with the outer ends of the double-helix cooling water channe...
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