Evaporation Rate:
14,000 kg/h
Total Heat Transfer Surface Area:
7,500 ft²
Orientation:
Vertical
Pressure:
3 bar
Vacuum:
Yes
Additional Information:
single effect falling film evaporator system
with mechanical vapour compression
product feed 70,000 kg/hr @ 70 deg C and 12 Gew. -% NaOh, product outlet 56,000 kg/hr @ 73 deg C and 15 Gew.-% NaOH, steam consumption 980 kg/hr @ 3 bar,
System consists of:
(1) 696 square meter (7491 square feet) 316 stainless steel (1.4571) tube, shell and head vertical falling film evaporator (effect), manufactured by Wiegand, kom #2341-75-81-03, design pressure tube side -1/1 bar @ 100 degrees C (6870 liter), shell -1/1 bar @ 120 degrees C (8970 liter), (806) 42.4mm diameter x 1.5mm x 7m long 316 stainless steel (1.4571) tubes, 1.7m diameter 316 stainless steel (1.4571) shell, 316 stainless steel (1.4571) tubesheets, (1) 316 stainless steel (1.4571) bolt flat dished top, (1) 316 stainless steel (1.4571) bonnet head, mounted on lugs(1) 14000 ltr 316 stainless steel (1.4571) vertical pressure tank/separator, manufactured by Wiegand, kom #2341-75-81-03, design pressure -1/+1 bar @ 100 degrees C (14195 liter), 1.6m diameter x 3m straight side, weld dished top and bottom, mounted on lugs(1) 36 square meter (387 square feet) 316 stainless steel ( 1.4571)tube, head and shell vertical condenser (pre-heater), manufactured by Wiegand, kom #2341-75-81-03, design pressure tube side -1/0.5 bar @ 100 degrees C (428 liter), shell -1/1 bar @ 120 degrees C (645 liter), (75) 33.7mm diameter x 1.5mm x 5m long 316 stainless steel (1.4571) tubes, 316 stainless steel (1.4571) tube sheets, multi-pass tube side, 508mm diameter 316 stainless steel (1.4571) shell with expansion bellow, (2) 316 stainless steel (1.4571) bolt dished heads, mounted on lugs(1) 26802 m3/hr stainless steel vapour centrifugal compressor, manufactured by Borsig, type GKS 630, serial #21-1110, 415/475 kw, 10237 rpm, pressure 1 bar @ 710 deg C, driven by 475 kw, 3/50/5000 volt, 2971 rpm Siemens motor, (3) Stainless steel centrifugal feed pumps, (1) carbon steel vertical tank, weld dished top and bottom, mounted on legs
