Coal-Fired Boilers - Stropuva DOMESTIC SOLID FUEL BOILER Operating Manual

1.2

COAL-FIRED BOILERS

Table 1.3. Dimensions and characteristics for coal-fired boilers.
Solid fuel: firewood logs, timber waste,
sawdust and peat briquettes, coal.
(Recommended moisture - ≤30%)*
PARAMETRES
Power (kW)
2
Heated area (m )
3
Fuel capacity (dm )
Amount of coal (kg)
Amount of firewood (kg)
Length of firewood (cm)
Water amount in the boiler (l)
Water temperature in the boiler (°C)
Coefficient of useful operation (%)
Flow of heated water (m
Dimension of load opening (mm)
Height (mm)
Diameter (mm)
Mass (kg)
* - Firewood containing more than 30 % moisture shall not burn at all and if burn – shall not endure the
required temperature, the burning shall be unstable. Combustion duration of fuel loading depend on its
quality, outside and inside temperature, building quality and other factors.
Table 1.4. Information for adjusters.
Distance
between
floor and
MODEL
chimney
(mm)
S10 U 1550
S20 U 1695
S20 U
1530
(1.9m)
S40 U 1675
S40 U
1520
(1.9 m)
3
/h)
Chimney
diameter
lower muff Ø
(mm)
160
160
160
180
180
S10 U
10
50-100
200
75
25
30-35
34
85
0,25
250x210
1900
450
196
Distance Distance
between between
floor and floor and
upper muff Ø
32 (mm) 32 (mm)
57.5 1737.5
57.5 1947.5
57.5 1747.5
57.5 1947.5
57.5 1747.5
MODEL
S20 U S40 U
20
100-200 180-400
350
130
50
35-45 45-55
45
85
91,6
0,5
260x220 280x240
1900/2100 1900/2100
560
246
Pressure pressure no
more than
valve (bar)
1.5
1.5
1.5
1.5
1.5
40
500
220
80
58
85
1,0
680
333
Water
(bar)
2
2
2
2
2