Importance

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Abstract

A sluice for collecting cleaning bodies in the form of sponge rubber balls which are guided in the circulation of cooling water through the pipes of a heat exchanger having inlet and outlet connections, in particular a generating plant condenser, includes a return line passing through the sluice, the return line including an inlet line having a pump and an outlet line having a shut-off valve, a cylindrical housing including a sieve body and a shutting flap connected downstream of the sieve body, the housing being connected to the outlet connection of the heat exchanger through the inlet line and being connected to the inlet connection of the heat exchanger through the outlet line, and a flap trap disposed in the return line for the cleaning bodies between the outlet connection and the inlet connection of the heat exchanger. In order to catch the sponge rubber balls in the sluice after switching off the pump, to prevent a backflow of cooling water and thus to prevent a discharge of the balls, a flap trap which is capable of shutting off the inlet line is positioned inside the sluice housing.

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First Claim