Besides, the structure optimization and design for the split-ring type LKT quick-opening closure is also performed in this article.

本文还针对剖分环式LKT天然气过滤器快开盲板结构，进行了有限元结构优化分析和设计。

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Quick-opening closure is a common pressure-bearing component in pressure vessel. Quick-opening closure is often opened with pressure or boosted without closing the door resulting in kinds of accident.

快开端盖是压力容器中的一个常见的承压部件，快开端盖经常因带压开门或未关紧门升压导致各种事故。

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Through test on pigging receiver and launcher enduring pressure, determined is main reason resulting in quick opening closure enduring pressure on pigging system, and resolving method is put forward.

通过对收发球筒进行带压试验，找出导致清管系统快开盲板带压运行的主要原因，并提出解决的措施。

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