The purpose of this study is to facilitate the filtration of conch during the drying of washing water and improve the efficiency of washing water,In addition, in order to remove the burden, in order to eliminate the internal troubles, in order to avoid the boiler filter device on the barrel washing machine.This is on the drum dryer where the hot air is dried by the blower,In order to allow the interior lower end of the door lock (500) to be replaceable, the laundry infrastructure (600) can be filtered in a dry state.
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