High-pressure hydrogen gas filling system using cooling by Simon expansion

摘要

PPROBLEM TO BE SOLVED: To provide a system for filling high-pressure hydrogen gas by utilizing cooling generated by Simon expansion to fill a tank with high-pressure hydrogen gas sufficiently and efficiently. PSOLUTION: The system for filling high-pressure hydrogen gas by utilizing cooling generated by the Simon expansion includes a circuit for filling high-pressure hydrogen gas at user's side dividing a plurality of high-pressure hydrogen gas tanks A1, A2, B1, B2 into two blocks A, B. In the system, high-pressure hydrogen gas is supplied into the high-pressure hydrogen gas tanks A1, A2 in the first block A among two blocks A, B from a mobile filling facility 4 at a supply side, the high-pressure hydrogen gas is transferred into the high-pressure hydrogen gas tanks B1, B2 in the second block B among two blocks A, B through pipes from the high-pressure hydrogen gas tanks A1, A2 in the first block A, and the high-pressure hydrogen gas tanks A1, A2 in the first block A are further filled with the high-pressure hydrogen gas in accordance with a difference in pressure generated among the high-pressure hydrogen gas tanks A1, A2 in the first block A having a temperature and pressure reduced by the Simon expansion during gas transfer through the pipes and the mobile filling facility 4 at the supply side. PCOPYRIGHT: (C)2011,JPO&INPIT