EVAPORATOR & PERMEATE DRYER

EVAPORATOR
Double Effect Falling Film Vacuum Evaporator with TVR System
Product to be Handled	WPC
Description	Unit	WPC
Feed Rate	kg/hr.	4000
Feed Temp.	Deg. C	5
Initial Solids	%	15
Final solids	%	45
Concentrate output rate	kg/hr.	1333
Water Evaporation Rate	kg/hr.	2667
UTILITIES
Dry Saturated steam Required at 10 bar - g pressure for TVR	kg/hr.	935
Dry Staturated Steam requirement at 3.5 bar - g pressure for DSI System (based on feed temp. at 5 deg.C	kg/hr.	445
Electrical load Installed	KW	17.5
Normal consumption	KW	10.5
Cooling Water Circulation Rate	M3/hr	64
Compressed air required at 6kg/sq.cm pressure	CFM	06-Jul
Cooling Water inlet temp.	Deg. C	30
Cooling Water outlet temp.	Deg. C	38
Tolerance:
All performance fig. within +/- 5%
All consumption figure within +/- 10%
PERMEATE DRYER
Equipment  :	Two Stage Dryer (Spray Dryer + Fluid Bed Dryer cum Cooler)
Type :	Dual Type (High Pressure Nozzle / Disc Atomization
Capacity :	2193 kg/hr Water Evaporation
Product to be Handled	Permeate Powder
Description	Unit	Permeate
Feed Rate	kg/hr	4500
Initial Solids (Considered)	%	50
Final Moisture in Powder	%	2.5
Powder Output Rate	kg/hr	2307
Water Evaporation rate	kg/hr	2193
Drying air inlet temp.	Deg. C	180
Drying air outlet temp.	Deg. C	92 - 95
UTILITIES
Dry saturated steam requirement at 14 bar-g	kg/hr	4170
Chilled Water at 2 deg. C inlet & 8 deg.C outlet	m3/hr	30
Electrical Load Connected	KW	290
Electrical Load Consumed	KW	210
Compressed air Consumption (optional for bag filter)	Nm3/hr	180
Temp.of hot air in FBD	Deg.C	60
Temp. of cold air in FBD	Deg.C	15
Steam for FBD at 3 kg/cm2 - g pressure	kg/hr	200
Assumption :
Ambient Air Temp.: 47 Deg. C
RH of ambient air : 50%
Tolerance :
All performance fig. within +/- 5%
All consumption fig. within +/- 10%