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
Pending Publication Date: 2020-07-24
XIAMEN UNIV TAN KAH KEE COLLEGE
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Abstract
The invention relates to a dual-layer dual-spiral cooling hot blast valve plate. The dual-layer dual-spiral cooling hot blast valve plate comprises a valve plate body. The interior of the valve platebody is divided into an upper-layer water channel and a lower-layer water channel which are adjacent to each other through an interlayer plate. The upper-layer water channel communicates with the lower-layer water channel through communication shafts, and the upper-layer water channel and the lower-layer water channel each comprise an outer water ring, an inner enclosure plate, a dual-spiral cooling water channel and a communication shaft from outside to inside in sequence. An outer ring water channel is formed between the outer water ring and the inner enclosure plate of the same layer, the outer ring water channel and the outer end of the dual-spiral cooling water channel of the same layer communicate with each other through a flow diversion hole, and the inner ends of the dual-spiral cooling water channels communicate with the communication shafts. A water inlet is connected to the outer ring water channel of the upper-layer water channel, a water outlet is connected with the outerring water channel of the lower-layer water channel, and the outer ring water channel between the water inlet and the flow diversion hole of the same layer and the outer ring water channel between thewater outlet and the flow diversion hole of the same layer are provided with water fenders. The dual-layer dual-spiral cooling hot blast valve plate overcomes the defects of large consumption amountof cooling water and low cooling efficiency in the prior art, the quality of a hot blast valve is greatly improved, and the service life of the hot blast valve is greatly prolonged.
Application Domain
Blast furnace detailsHeating stoves
Technology Topic
Hot blastEngineering +4
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