5
Number of sections
-
5
6
7
Lenght A
mm
881
991
1103
Lenght B
mm
659
730
841
Fig.
№
. 2
Connection dimensions of boiler HERCULES U 32
3
Description
3.1
Boiler Construction
The main part of the boiler is cast iron sectional boiler drum made of grey cast iron according to EN 1561, quality 150.
Pressure parts of boiler correspond to strength requirements according to EN 303-5.
The boiler drum is assembled of sections by means of pressed boiler inserts with 56 mm diameter and secured by anchor bolts. Sections create
the feed space, combustion and ash space, water space and convective part of the boiler. Input and output of heating water is located in the
rear of the boiler.
Rear boiler section has the smoke adapter and heating water flange at its top, and the return water flange at the bottom. The stoking and ash
door are mounted to the front section. Inclined grate is placed to the filling space. The whole boiler drum is insulated by using a harmless
mineral insulation which reduces losses by sharing heat into the surroundings. The high-quality komaxit spray is used for boiler shell colour
treatment.
1.
Front section
2.
Middle section
3.
Penultimate section
4.
Rear section
5.
Ash door
6.
Stoking door
7.
Ash door choker
8.
Stoking door choker
9.
Rear choker
10.
Smoke adapter
11.
Shell
Fig.
№
. 3
Main part of the boiler
