Page 337 - Applied Process Design For Chemical And Petrochemical Plants Volume III

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296 Applied Process Design for Chemical and Petrochemical Plants

Figure 11-9. Steam jet utilities require-
ments when producing 40°F chilled
water temperature. (Used by permis-
sion: ©Croll Reynolds Company, Inc.)

Example

Figure 11-10. Steam jet utilities require-
ments when producing 45°F chilled
water temperature. (Used by permis-
sion: ©Croll-Reynolds Company, Inc.)

Barometric Refrigeration Unit

Tons refrigeration 150 Gpm condensing water, air ejector 00,10
Chilled water temperature, °F 45 Total gpm 0,880
Return water temperature, °F 59.4 Minimum steam pressure for boosters, psig 0,100
Gpm chilled water 250 Minimum steam pressure for air ejector, psig 0,100
Maximum temperature condenser water in, °F 85 Steam consumption, booster, lb/hr 4,150
Condensed water out, °F 99.9 Steam consumption, air ejector, lb/hr 0,100
Gpm condensing water, booster condenser 870 Total steam, lb/hr 4,250
Note: System must be free of air leaks; steam must be dry; and condenser tubes clean.