| 摘要 |
PURPOSE:To repair completely the leak parts by sending a gas into a hollow yarn membrane from one end face of the hollow yarn separation module wherein both end parts are bonded and fixed with a casting resin, and providing the casting resin for repairing to the other end face. CONSTITUTION:While sending a gas such as the pressurized gas or air into a hollow yarn membrane from one end face of a module, a casting resin such as an epoxy resin or a urethane resin is provided to the other end face to repair the improperly bonded parts of the module. As the gas is sent into the hollow yarn membrane, the opening part of the hollow yarn is closed by the intrusion of the resin which is properly provided to the end face of the module to fill the improperly bonded parts.
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