| 摘要 |
PURPOSE:To reduce a load on a gas container and thereby miniaturize the container by providing a concentrated supply system of a plurality of gas containers and a single disinfectant tank and performing spraying of disinfectant from a plurality of nozzles through sequential selection of the nozzles at prearranged time intervals. CONSTITUTION:In a room disinfection system at a food factory in which no person attends at night, a heater 3 is turned ON, if a timer is set to 'ON' position. Further, the first gas container B1 is opened by valve operation and gas which is heated by a heating tank 2 and evaporated adequately is supplied to a disinfectant tank 5 and each nozzle. Each unit I-IV of a plurality of two-liquid disinfectant spray nozzles 9a, 9b-12a, 12b are arranged in accordance with sub-split zones of a room to be disinfected. Disinfection is performed by the units starting with the paired nozzles 9a, 9b of the first unit by a prearranged time programmed by a timer. If the gas container B1 is depressurized to below a prearranged pressure, another gas container B2 is opened.
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