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1·Herein introduce the structural feature and operating principle of new-style cold blast snort valve of blast furnace. The structure has gotten application patent (pat. No: ZL200420117234.6).

介绍了高炉用新型冷风放风阀的结构特点和工作原理。此结构已经获得了专利(专利号：ZL 200420117234.6)。