Condenser targeted chlorination injection system

Details Condenser targeted chlorination injection system Condenser targeted chlorination injection system

1984-04-23

1985-07-30

Cline, William R.

Heat exchange

Regenerator

Checker brick structure

165 95, 137896, 366276, 210754, 2101981, F28G 100, F28G 116, F28G 900

Patent

active

045315710

ABSTRACT:
Herein is described a method for feeding chlorine to a heat exchanger (condenser) for biological fouling control by targeting the feed to only a few tubes at a time. The assembly comprises a manifold surrounded by a seal which directly contacts the condenser tube sheet, thereby feeding chlorine to only a few selected condenser tubes at a time and the seal serves to restrict the flow of water through the tubes, thereby increasing the contact time between the chlorinated water and the fouling mass in the tubes. The manifold, powered by a pneumatic/hydraulic drive, moves across the entire condenser tube sheet so that all tubes are chlorinated for the same duration. A principal advantage of this system is that it allows the feed of relatively high concentrations of chlorine to the selected tubes, but is designed to meet EPA effluent limitations without dechlorination.

REFERENCES:
patent: 1659459 (1928-02-01), Clarke
patent: 1983109 (1934-12-01), Warren et al.
patent: 3045978 (1962-07-01), Waldhofer
patent: 3123132 (1964-03-01), Hedgecock
patent: 4260587 (1981-04-01), Braden
patent: 4333833 (1982-06-01), Longley et al.

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