| 摘要 |
PURPOSE: A manhole with a bad smell deodorization device is provided to lower maintenance costs by only replacing activated carbon inside a filter and to maintain a pleasant environment by automatically filtering and deodorizing bed smell. CONSTITUTION: A manhole with a bad smell deodorization device comprises a manhole pipe, a manhole ring (2), a manhole cover (3), and a bad smell deodorization device. The bad smell deodorization device comprises a main body (41), a filter (42), a hanging and sealing ring (43). The main body is hung on the supporting stepped part of the manhole ring and is detachably attached with the filter. The main body allows bad smell to only pass through the filter and all kinds of substances including water to flow into the pipe. The filter comprises a main body, a cover body, and activated carbon filled inside the main body. |
