| 摘要 |
PURPOSE: A sewage drain pipe washing method using a rotor, which can safely remove sewage regardless of toxic gas, is provided to rapidly reduce solid waste which is left in a conduit line by rotating a rotor inside a conduit line. CONSTITUTION: A sewage drain pipe washing method using a rotor is as follows. A rotor for removing sewage(17) for removing dirt is inserted inside a transverse pipe(12). Pulling rope(20,21) are connected between a rotary connecting member(178) and winches(18,19). The winch is installed outside of top and bottom manholes(15,16). The rotor for removing dirt can be moved by the winding and unwinding of the winch.
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