Method and system for operating a cooling plant

Details Method and system for operating a cooling plant Method and system for operating a cooling plant

1984-04-10

1986-07-15

Richter, Sheldon J.

Heat exchange

Regenerator

Checker brick structure

165 36, 165 39, 165 41, G05D 2313

Patent

active

046000496

ABSTRACT:
On board ships there are cooling systems comprising a heat exchanger (1) operating as a central cooler, through which sea water is pumped by means of different pumps (2-5). Fresh water for cooling the main engine (21) of the ship, and devices (15-18) of various kinds on board the ship, is pumped through the heat exchanger (1) where it is cooled by the sea water. A by-pass conduit (11) extends between the heat exchanger inlet conduit (9) and outlet conduit (10) for fresh water, a three-way valve (12) being arranged to distribute the fresh water flow through the heat exchanger (1) and the by-pass conduit (11), respectively, depending on the momentary cooling demand of the main engine (21) of the ship and/or the devices (15-18). Thereby a predetermined temperature may be maintained in the fresh water circuit. Means are provided for sensing the flow through the heat exchanger (1), or the by-pass conduit (11), and in response thereto increasing or decreasing stepwise the pump capacity for pumping sea water through the heat exchanger (1).

REFERENCES:
patent: 2551697 (1951-05-01), Palmatier
patent: 3140824 (1964-07-01), Moore
patent: 4240499 (1980-12-01), Kals
patent: 4260011 (1981-04-01), Brown
patent: 4260103 (1981-04-01), Herring, Jr.
patent: 4295519 (1981-10-01), Bellaff
patent: 4320798 (1982-03-01), Obernberger
patent: 4347972 (1982-09-01), Hillerstrom

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