DSPG bottom scrapers for municipal and industrial wastewater treatment plants. The scraper is designed for raking sludge from the bottom of a horizontal sand trap into a collection pit.
The principle of operation is based on the reciprocating movement of wedge-shaped profiles located at the bottom of the settling tank. One side of the profile rakes the sludge towards the collection pit, the other side cuts in under the sludge layer.
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