The boiler is a three-pass, fire-tube steam boiler made by Finnish Ahlström Themoflow in year 1990. The boiler has max operating pressure16 bar with 205 C steam temperature and it is equipped with exhaust gas economizer for preheating incoming feed-water and modulating heavy fuel oil burner. It's has a large 15.2 m3 water volume which allows big momentary changes in load. Other benefits include simple structure, long operating life, reliability and ease of service and maintenance. The boiler is in good operational condition. Feed water pumps and feed water tank with aerator are available for separate request and price.
Technical Data:
Manufacturer: Ahlström Thermoflow, Kaarina
Manufacturing year: 1990
Capacity: 3.3 MW
Water volume: 15.2 m3
Steam characteristics: Max 16 bar, at 205 C temperature, saturated
Oil Burner: Weishaupt Monarch RMS 50/2 A - ZM (YOC 1990)
Oil feeding: 140 - 490 kg/h.
Very little operated (ony 6000 hours totally!) fuel oil fired package boiler made by Högfors (nowadays Foster Wheeler) in 1988. Complete plant with combustion air fan and feed water pumps for immediate delivery, in very good condition.
Main scope of the delivery:
- Högfors 30 t/h boiler
- Oilon burner
- Economizer
- Combustion air fan
- 2 pcs of 90 kW / 25 bar KSB feed water pumps
- Fuel oil pumping unit made by Oilon
- 8 pcs of steam shoot blowers
- valves, fittings and maintenance supports .
Type of boiler Water tube type with natural circulation, with two drums
Manufacturer Kymin Osakeyhtiö, Högfors, Finland (Foster Wheeler)
Model of the boiler: H52-47-25 bar
Year of manufacturing 1980
Starting day of operation 16.11.1980
Evaporation 47 t/h saturated steam
Temperature of steam 226 oC
Effect 30 MW
Structural pressure 25 bar
Feed water temperature 120 oC
Furnace volume 74,5 m3
Surface of furnace c. 136 m2
Surface of convection part 420 m2
Surface of economizer c. 504 m2
Water volume 15,8 m3
Oil Heavy oil (POR 230)
Oil burner Saacke SKV, fully automatic, modulating
Regulating area of burner 610-3050 kg/h
Oil pumping- and pre- Oilon Osva 4000 kg/h
heating station
Feed water pumps 2 pcs + 1 pc as spare.
KSB-centrifugal pump MOVI 65/6,
massflow 59 t/h, 29,5 bar
motor 90 kW, 2900 r/min
Primary air fan Mercantile KDER 75, 37300 Nm3/h, motor 115 kW, 1500 r/min
Sootblowers Diamond Superior sootblowers 4 pcs in boiler part
Diamond Superior sootblowers 4 pcs in economizer.
Dimensions of boiler part: Height 5,2 m, Width c. 4,5 m, Length 10,0 m
Weight of boiler part c. 54 t. without water and accessories
Weight of economizer c. 15 t. without water and accessories
Boiler is suitable for gas operation by changing the burner.
The boiler has been in operation only about 6.000 hours.
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