Overview of the cleaning methods
Surge flushing
Back-up flushing
Flushing shield
Process description
The flushing shield is secured and guided by a steel cable in order to control its velocity and prevent the flushing pipes from colliding with the sewer debris. In the target manhole, the device is stopped by a stopper and manually retrieved. The waste material that is moved forward by the flushing shield has to be extracted by suction vehicle in the respective manhole.
Image:
Back-up flushing - Flushing shield [Image: visaplan GmbH]
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Image:
Back-up flushing equipment - Flushing shield [Source: visaplan GmbH] |
Image:
Flushing shield - Front view [Image: visaplan GmbH]
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