| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for cleaning circulating water being the heating medium of an air conditioner of a building or the like. SOLUTION: A cleaning treatment method for heat accumulation water consists of a process for introducing heat accumulation water for indoor air conditioning into a raw water tank at first before sending the same to a heat exchanger, a process for aerating the heat accumulation water by the air diffusion pipe arranged to the central part of the raw water tank, a process for passing the aerated heat accumulation water through the filter membrane of an immersion type filter membrane module arranged to the upper side part of the raw water tank directly above the air diffusion pipe to filter the same and a process for dipping up filtered water to be treated to the outside.
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