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[to be completed]
Main achieved environmental performance
Teil 3 Seite 4-4
In the following table, the producers’ information on the consumption values of different
scalding methods are listed.
Table 4-1: Comparison of consumption data of different scalding methods (producer’s
Energy demand
(Revolving pumps/
Ventilators)
Heating de-
mand
l)
(1 kWh = 3,6 MJ)
(fuel oil: 1 kg = 1,2
Water demand
information)
Scalding cauldron Circulation method Condensation scalding
1*5,5 kW*8 h/d =44
kWh/d
44 kWh/d * 200 d/a =
8400 kWh/a
1,75 kW/s = 6,3 MJ/s
=1890 MJ/h = 15120
MJ/d
=3.024.000
MJ/a:40MJ/kg
=75600 kg/a * 1,2l/kg =
90.720 l/a fuel oil
30.200 l/d +5 l/pig *
2400 Pigs/d = 42200 l/d
42200 l/d * 200 d/a =
8.440.000 l/a
4*7,5 kW * 8h/d=240 kWh/d
240 kWh/d * 200 d/a =
48000 kWh/a
3270 kWh/d * 200 d/a =
654.000 kWh/a
654.000 kWh/a *3,6
MJ/kWh =2.354.000 MJ/a
2.354.000 MJ/a : 40 MJ/kg
= 58.860 kg/a
58560 kg/a * 1,2 l/kg =
70.632 l/a fuel oil
14000 l/d +5 l/pig * 2400
Pigs/d = 26000 l/d
26000 l/d * 200 d/a =
5.200.000 l/a
method
4*5,5 kW*8 h/d =176
kWh/d
176 kWh/d * 200 d/a =
35200 kWh/a
2020 kWh/d * 200 d/a =
404.000 kWh/a
404.000 kWh/a*3,6
MJ/kWh =1.454.400 MJ/a
1.454.400 MJ/a : 40 MJ/kg
= 36.360 kg/a
36360 kg/a * 1,2 l/kg =
43.632 l/a fuel oil
0.7 l/pig * 2400
Pigs/d = 1680 l/d
1680 l/d * 200 d/a =
336.000 l/a
The following comparison of consumption data for water circulation spray scalding and
condensation scalding lists the operation values of plants with a capacity of 350 pigs per
hour or 600 000 pigs per year.