Fireproof and explosion-proof plugging structure for converter transformer sleeve entering valve hall

The utility model discloses a fire-proof and explosion-proof plugging structure for a converter transformer casing entering a valve hall, which comprises a fire-proof layer and explosion-proof layers stacked on two sides of the fire-proof layer, and each explosion-proof layer comprises a double-layer stainless steel plate and a keel frame positioned between the stainless steel plates. The aluminum silicate fiber needled carpet is filled between the stainless steel plates, and the fireproof layer comprises a fireproof plate. Compared with the prior art, the fireproof and explosion-proof plugging structure for the converter transformer casing entering the valve hall is good in fireproof and explosion-proof performance, low in manufacturing cost, short in manufacturing period, suitable for large-scale transformation of converter station valve halls put into operation, and good in application benefit. 本实用新型公开了一种换流变套管进入阀厅的防火防爆封堵结构，包括防火层和层叠于所述防火层两侧的防爆层，所述防爆层包括双层的不锈钢板和位于所述不锈钢板之间的龙骨框架，以及填充在所述不锈钢板之间的硅酸铝纤维针刺毯，所述防火层包括防火