PURPOSE: To prevent the odor of a refuse pit from being diffused to the outside air from an opened charging door when a refuse carrying vehicle charges the refuse pit with the refuse.

CONSTITUTION: A refuse pit 22 for charging the refuse from a platform 21 and a refuse incinerator 23 for burning the refuse are provided, An inlet port 30 for inhaling the combustion air from the refuse incinerator 23 is provided at the upper part of the charging door 31 of the refuse pit 22. The inlet port 30 is provided with a damper 32 for opening and closing the flow of the combustion air.