Gestra SPECTORCONTROL-FLOW

Steam flowrate calculator and universal controller SPECTORcontrol FLOW

Boiler pressure
bar
Hourly heat savings when the continuous blowdown flowrate is reduced by 20, 50 and 100 kg/h
20 kg/h 50 kg/h 100 kg/h
Annual savings of heating oil or energy costs when the continuous blowdown flowrate
is reduced by 20, 50 and 100 kg/h (taking 250 days with 24 hours = 6,000 hours)
*)
20 kg/h 50 kg/h 100 kg/h
Equipment investment on basis of WÜ100; units with TÜV and EU type approval (with Reactomat)
not incl. installation
Schematic diagram of a blowdown flash installation with blowdown receiver
Equipment amortization when the top blowdown quantity is reduced by 20, 50 and 100 kg/h
8
16
32
W
4,126
4,844
5,231
kJ/h
14,852.8
17,436.8
18,832
W
10,314
12,109
13,078
kJ/h
37,132
43,592
47,080
W
20,629
24,218
26,156
kJ/h
74,264
87,184
94,160
kg
2,624.6
3,108.5
3,369.7
€
787.40
932.50
1,010.90
kg
6,796.1
8,005.7
8,658.8
€
2,038.80
2,401.70
2,597.60
kg
13,748.6
16,167.7
17,473.9
€
4,124.60
4,850.30
5,242.20
approx. €
3,634
3,634
3,634 43
20 kg/h
Months
55
47
50 kg/h
Months
21
18
17
100 kg/h
Months
10.6
9
8.3
*) Calorific value of fuel 37,700 KJ/kg; efficiency 85 %; feedwater temperature 10 °C
Feedwater tank with deaerator
Live steam Blowdown flash vessel
Residual blowdown cooler
Steam boiler
Continuous blowdown valve Blowdown receiver
Make-Up Water Cooling water
Intermittent blowdown valve
From the feedwater tank
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Pulse from intermittent blowdown valve
5