Water seal system for isolating gas pressure fluctuation propagation

Abstract

The invention discloses a water seal system for isolating gas pressure fluctuation propagation. The water seal system comprises a shielding water seal structure and a positive pressure water seal structure, the shielding water seal structure comprises an inner cylinder, a middle cylinder, an outer cylinder, a first gas inlet pipe, a gas outlet, a first liquid seal water inlet pipe, a first overflow water outlet and a first U-shaped water seal, the gas outlet is in communication with a downstream system through a hydrogen main pipe, the hydrogen main pipe is in communication with the positive pressure water seal structure through a bypass, and the positive pressure water seal structure is used for emptying and pressure relief when downstream overpressure occurs. Through the arrangement of the shielding water seal structure and the positive pressure water seal structure between the upstream and the downstream of gas, the adverse effect of downstream pressure fluctuation on an upstream system can be effectively shielded, the three-layer cylinder design of the shielding water seal structure can effectively maintain the pressure stability of upstream gas, meanwhile, the water seal can be effectively prevented from being broken through or extracted, leakage of gas in the system is prevented, and the positive pressure water seal structure can be emptied to release pressure when a downstream system is overpressure, so that the pressure of the upstream gas is maintained not to be overpressure.

Description

technical field [0001] The invention belongs to the field of water seal technology, and in particular relates to a water seal system used to cut off the propagation of gas pressure fluctuations, which can be applied to the field of ionic membrane caustic soda production, and is used to shield the disadvantages of pressure fluctuations at the suction port of hydrogen compressors to the upstream electrolysis system It can also be applied to other gas compression fields where the low-pressure side system is sensitive to pressure fluctuations. Background technique [0002] In industrial production, a compressor is usually used to pressurize the gas to obtain potential energy for transportation. When the system or equipment on the low-pressure side is sensitive to pressure fluctuations, if the pressure fluctuations on the high-pressure side are transmitted to the low-pressure side, the system on the low-pressure side will be unstable, and even the equipment will be damaged. [0...

AI Technical Summary

Problems solved by technology

The daily security inspection and maintenance of gas cabinets requires a large amount of work, large land occupation, high investment, and is limited by the structure. If the daily maintenance is not in place, jamming will occur, which will not be able to balance pressure fluctuations, and hydrogen leakage will easily occur. fire and explosion risk

However, the traditional non-reverse water seal tank cannot shield the pressure fluctuations caused by the suction and exhaust of the balanced compressor, and the water seal is easily broken, causing dangerous gas leakage, bringing fire and explosion risks

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