The invention discloses a liquid cargo tank insulation layer pressure difference monitoring system for an LNG ship containment system, the system comprises a pressure difference monitoring module, a pressure difference balance module and a control module, the pressure difference monitoring module and the pressure difference balance module are respectively connected with the control module, the pressure difference monitoring module comprises a pressure difference sensor and a pressure hose, and the pressure hose is connected with the pressure difference sensor. The differential pressure sensor is respectively connected with a main insulating layer outlet and a secondary insulating layer outlet of the liquid cargo tank through pressure hoses, and the differential pressure sensor is connected with the control module; the differential pressure balance module comprises an electromagnetic valve and a communicating pipe, the communicating pipe is connected with a main layer insulating layer outlet and a secondary layer insulating layer outlet of the liquid cargo tank, the electromagnetic valve is arranged on the communicating pipe, and the electromagnetic valve is connected with the control module. According to the system, real-time monitoring of the pressure difference of the insulating layers of the liquid cargo tank is achieved through the pressure difference monitoring system, pressure balance is automatically conducted when the pressure difference between the main insulating layer and the secondary insulating layer exceeds a set value, and the explosion risk of the insulating layers is reduced.
本发明公开了一种用于LNG船围护系统液货舱绝缘层压差监控系统,该系统包括压差监控模块、压差平衡模块和控制模块,所述压差监控模块和压差平衡模块分别与控制模块连接,所述压差监控模块包括压差传感器和压力软管,压差传感器通过压力软管分别与液货舱的主层绝缘层出口和次层绝缘出口连接,所述压差传感器与控制模块连接;所述压差平衡模块包括电磁阀和连通管,连通管分别与液货舱的主层绝缘层出口和次层绝缘出口连接,连通管上设置有电磁阀,所述电磁阀与控制模块连接。本发明的系统通过压差监控系统实现对液货舱绝缘层压差实时监控,同时在主层绝缘层与次层绝缘层的压差超过设定值时自动进行压力平衡,降低了绝缘层冲爆风险。
System and method for monitoring liquid cargo tank insulating layer pressure difference of LNG ship containment system
一种用于LNG船围护系统液货舱绝缘层压差监控系统及方法
2023-12-22
Patent
Electronic Resource
Chinese
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme |
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