在PVC生产装置中，传统乙炔发生器上料系统中的进料碟阀，因结构原因，经常起火甚至爆炸。
In the PVC production device, the dish valve in the charging system of traditional acetylene generator was often on fire, and even explosion because of its structure.
试验结果表明阻爆控制器能配合快速切断阀可有效阻止瓦斯爆炸传播。
The test results showed that the explosion resistant controller could rapidly assist the shut-off valve to effectively prevent the gas explosion spreading.
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