Air Cooled Heat Exchanger
Currently I am working on Air Cooler P&ID. Here are the details of the air cooler:
Its a forced draft, single bay, 2 fan/bay cooler. The propane vapor enters at 210F and 300psig and leaves as liquid at 120F. The deltaP across the cooler is 5 psig. The motors are of VFD type. The speed of the fan is controlled via pressure controller on the inlet header that feeds the air cooler. Could anyone explain to me this control scheme? Also the use of temperature controller as oppossed to pressure controller?
www.alb-associates.com
Its a forced draft, single bay, 2 fan/bay cooler. The propane vapor enters at 210F and 300psig and leaves as liquid at 120F. The deltaP across the cooler is 5 psig. The motors are of VFD type. The speed of the fan is controlled via pressure controller on the inlet header that feeds the air cooler. Could anyone explain to me this control scheme? Also the use of temperature controller as oppossed to pressure controller?
www.alb-associates.com
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