摘要
介绍了一种适用于压力容器用的旋合式快开门结构，并对其齿形法兰、卡箍结构、密封、锁紧装置的设计要点进行了简要的介绍。
A trip type swivel cover which can be used for pressure vessel to be opened and closed quickly and conveniently is presented.The key design of the serrate flange,trip ferrule constraction,seal and tight locked device was described briefly.
