| 摘要 |
The invention relates to a ductwork and cleaning system comprising a fogging unit to supply atomised water droplets to the interior of a food storage cabinet with an ozone generating means coupled to the ductwork, such that ozone, generated by the ozone generating means, is supplied to the interior of the ductwork for circulating therethrough, thereby cleaning the ductwork. The food storage cabinet is coupled to a refrigeration unit to provide refrigerated air for the food storage cabinet, some of the refrigerated air being used as the oxygen-containing gas for the ozone generating means. The ozone generating means is pererably arranged in series in the flow path of the fog of atomised water droplets.
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