A sand sinker for the inlet of a diversion tunnel of a construction period pumped storage power station project

Abstract

The utility model discloses a construction period pumped storage power station engineering diversion tunnel import sand sinking device, including baffle and preliminary filter screen, gravel layer, brick particle layer, coarse sand layer who arranges in water flow direction in proper order, preliminary filter screen sets up at the water flow inlet face department of gravel layer, is provided with a baffle between gravel layer and brick particle layer, between brick particle layer and coarse sand layer, at the water flow outlet face department of coarse sand layer, the baffle all evenly has water flow channel, the device outside sets the casing, the casing position of gravel layer, brick particle layer, coarse sand layer's top respectively sets up the overhaul mouth, the utility model discloses can effectively intercept sundries, significantly promote water quality to can fast clean the deposit, support local or integral material replacement.

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