The invention relates to a secondary screen wall enclosure system of a B-type liquid tank, which comprises a tank body, a main screen wall insulating layer is arranged on the outer side of the tank body, a leakage flow guide channel is arranged between the main screen wall insulating layer and the tank body, the tank body is arranged in an LNG (Liquefied Natural Gas) tank position, and a ship body structure comprises the LNG tank position of a B-type tank. The upper end of the hull structure is connected with a deck surface, a pressure monitoring device is arranged in an LNG cabin on the lower end surface of the deck surface, the middle part of the upper end surface of the cabin body is arranged to be a dome structure, and a plurality of birdmouths are formed in the bottom surface of the cabin body; the LNG cabin is internally connected with an exhaust system; the dome structure is connected with a gas detection device; the secondary screen wall enclosure system of the B-type liquid tank is provided for overcoming the existing defects, LNG liquid leaked into the liquid collecting box is treated in time in a forced gasification mode, and the safety of a ship body structure is guaranteed.
本发明涉及一种B型液舱的次屏壁围护系统,包括舱体,所述舱体外侧设置有主屏壁绝缘层,所述主屏壁绝缘层与所述舱体之间设置有泄漏导流通道,所述舱体设置在LNG舱处所内,船体结构内包含有B型舱的LNG舱处所,所述船体结构的上端连接甲板面,所述甲板面下端面LNG舱处所内装有压力监测装置,所述舱体上端面中部设置为穹顶结构,所述舱体的底面设置若干个承接口;所述LNG舱处所内连接排风系统;所述穹顶结构处连接有气体探测装置;在于克服现有的缺陷而提供的B型液舱的次屏壁围护系统,采用强制气化的方式及时处理泄露到集液盒里的LNG液体,保证船体结构的安全性。
Secondary screen wall enclosure system of B-type liquid tank
B型液舱的次屏壁围护系统
2022-12-13
Patent
Electronic Resource
Chinese
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