The invention discloses an anti-freezing marine LNG ventilation device for LNG ventilation. The anti-freezing marine LNG ventilation device comprises a mast body, a reducer pipe is arranged at the top of the mast body, the bottom of the reducer pipe is fixedly connected to the mast body, an annular enclosure bulkhead is arranged at the top of the reducer pipe, a rain and snow collecting container is fixedly arranged in the reducer pipe, and a breathable net is fixedly arranged between the rain and snow collecting container and the inner wall of the reducer pipe; a discharge pipe is fixedly arranged at the bottom of the rain and snow collecting container, and the lower end of the discharge pipe is located outside the reducer pipe; a first electric heating component is arranged in the rain and snow collecting container; a release valve and a gas purging valve are arranged at the lower part of the mast body in a penetrating manner; a low-temperature alarm component is arranged in an inner cavity of the lower portion of the mast body, and a second electric heating component is arranged on the outer wall of the lower portion of the mast body. The ventilation mast can be prevented from being blocked; and the structural strength is high.
本发明公开了一种用于LNG透气的防冻式船用LNG透气装置,其包括桅本体;桅本体的顶部设有变径管,变径管的底部固接于桅本体,变径管的顶部设有环形围壁,变径管内固设有雨雪收集容器,雨雪收集容器和变径管的内壁之间固设有透气网;雨雪收集容器的底部固设有泄放管,泄放管的下端位于变径管的外部;雨雪收集容器内设有第一电加热部件;桅本体的下部穿设有泄放阀和气体吹扫阀;桅本体的下部的内腔设有低温报警部件,桅本体的下部的外壁上设有第二电加热部件。本发明可以避免透气桅堵塞;其结构强度高。
Anti-freezing marine LNG ventilation device for LNG ventilation
用于LNG透气的防冻式船用LNG透气装置
2022-04-01
Patent
Electronic Resource
Chinese
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