Post on 09-Aug-2020
transcript
Company Presentation
Infrafone Facts • Infrafone increase the efficiency, availability and lifetime
of industrial boilers through infrasound soot cleaning technology
• 1000 installations (900 marine installations) world wide • 65 WtE & Bio fueled boilers in Scandinavia • 9 Coal fired boilers in Germany and USA • ISO9001 certification • Headquarters in Stockholm, Sweden • Founded 1978
Infrafone History
The path towards unique knowledge
First installation: Hyltebruk, Sweden Paper mill, MgO boiler
1982 1984
First marine installation: M/S Rimula Steam boiler
Collaboration with ABB Sales focus on marine industry, steam boiler vessels
1982-1995 1995
Development of the first sound calculation program
First installation on W-t-E plant: Asahikawa and Obihiro, Japan Air Preheater and Economizer
New mechanical design: higher mechanical reliability and operation with compressed air. 1995
2001
2004 W-t-E plants: 4 installations Biofuel plants: 6 installations
New Paradigma: • High accuracy in the sound calculation program • High mechanical reliability • More acoustic power
2005
W-t-E: 30 boilers Biofuel: 35 boilers Coal: 9 boilers
2013
70’s
Infrasound, a physical phenomenon, which applications?
Infrafone Technology: Applications
Economizer
SCR Air pre-heater
ESP Ducts
500 °C > T > 140 °C Only cleaning method needed below
~260 °C
How does it work?
Sound creates oscillations in the flue gas
Increased turbulence in the flue gas
Formation of deposits is prevented.
Infrasound vs. audible sound
Infrasound vs. audible sound
Infrafone Technology
• Our expertise and knowledge, the key to success
Acoustic modelling software
INPUT OUTPUT
• Dimensional and operational parameters of the boiler
• Acoustic power output • Frequency • Location
• Modelling of the boiler • Modelling of the infrasound behaviour in the boiler
Infrafone Technology • Acoustic modelling, E.ON P14 Norrköping, Sweden
Acoustic modelling graph shown only at the conference
Infrafone Value Proposition
Reduced operational & maintenance costs – Savings on operation of steam soot blowing and
shot cleaning – The saved steam can be used for increased
production – Savings on replacement of tubes thru extended life
time
Stable ΔP, which means: – Less outages, higher energy production – Less outages, more burned waste
Lower risk for high flue gas velocity in local areas
– Savings on replacement of tubes thru extended life tube time
Sweden Mora, 8 MW Commissioning 2010 Infrasound cleaner: APM150 Cleaning area: Vertical downstream
economiser Fuel: Industrial/Household waste Performance: • The boiler has been in operation since
early 2011 without any manual cleaning of the economiser.
• The Δp is still low and stable. • The differential temperature is still high and
stable. • No other soot cleaning equipment installed.
Boiler 1, 2 & 3 Renova, Gothenburg 56 MW
Commissioning 2011 & 2011 Infrasound cleaner: APX2000 Cleaning area: External fin-tube economiser Fuel: Industrial/Household waste Performance: • Has eliminated the need for shot cleaning. • Differential pressure on a stable level. • Cleaner working environment
Sweden
Boiler 1 & 2 SYSAV, Malmö, 29 MW Commissioning 2008 & 2009 Infrasound cleaner: 2 x APL1000, 2xAPX2000 Cleaning area: Vertical downstream evaporator
and economiser Fuel: Industrial/domestic waste Performance evaporator: • Shot cleaning of the economiser has been turned off. • Lower and more stable Δp over the economiser than with shot cleaning. • The exhaust gas outlet temperature from the evaporator is lower and
stable. • The soot deposits in the high temperature area (flue gas temp 680 oC –
600 oC) of the evaporator is softer and takes longer time to build up.
Sweden
Sweden P14, Norrköping, 75 MW Commissioning 2006, upgraded 2013 Infrasound cleaner: APX5000 2006-2012 APX7000 2013- Cleaning area: Vertical downstream
economiser Fuel: Industrial/Household waste Performance: • Steam soot blowing reduced from 3-4 times/day
to 1 time/week. • The differential pressure is now on a lower level
than with steam soot blowing running 3 times/day.
Norsaverket, Köping, 12 MW Commissioning 2009 Infrasound cleaner: 3 x APM150 Cleaning area: Vertical downstream
evaporator and 2 x eco Fuel: Industrial/Household waste Performance evaporator: • Steam soot blowing eliminated for all but the first tube bundle • Δp is lower than with steam soot blowing 3 times/day. Performance economiser: • With the previously installed air cleaning lances flue gas temp increased rapidly. • With infrasound technology installed, air cleaning lances were turned off and the Δp
and temperature are now on a stable low level the full season.
Sweden