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Flare Systems
Organics Ltd provides engineering equipment that falls into two main categories: Environmental Protection and Renewable Energy. Their services include low emission flare systems, of which they have many hundreds of installation around the world, odor control, landfill gas extraction and utilisation, anaerobic digestion systems and advanced thermal processing (pyrolysis and gasification). They specialize in field and landfill engineering in particular.
Product Description
A Wide Range of Flare Systems
Organics offers a range of standard waste-gas flaring and utilisation technologies designed to meet environmental controls. At the top end, the Organics SMART flare technology offers high temperature, extended retention time combustion, combined with exhaust gas recycling to minimise NOx formation mechanisms. The SC and MC Classes of flare are a basic tool for the combustion of landfill gas and biogas in Europe, the United States and Australia/New Zealand.
They provide varying degrees of environmental control to meet the varying standards of the countries involved and the environmental objectives of the end-user. The AC Range provides a no-frills combustion tool for locations where stringent environmental controls do not apply or where relatively clean gases are to be disposed of safely.
AC Range Flares
Simple elevated flares with visible flames and minimal control over the combustion process:
- open flame, elevated flare
- pre-aerated flame
- manual flame temperature control
- low luminosity
- operator control of flame height
Key Specifications:
- Flow rate in this standard range : 250 to 10,000 Nm3/h
- Pressure rise across gas booster : 150 mbarg (approx)
- Flame temperature : 800 to 1000oC
- Retention time : Not specified
- Minimum methane concentration for combustion to be sustained : 20%
SC Range Flares
Shrouded flame flares with no visible flame and automated control of combustion air allowing a combustion temperature of 1,000ºC and 0.5 seconds retention time:
- automatic flame temperature control
- non-visible flame
- turbulent diffusion flame
- 1000oC
- emissions control
Key Specifications:
- Flow rate available in this range : 250 to 10,000 Nm3/h
- Pressure rise across gas booster : approximately 150 mbar
- Flame temperature : 950 to 1050ºC
- Retention time : 0.5 seconds
- minimum Minimum methane concentration for combustion at specified temperature : 25% CH4
MC Range Flares
Shrouded flame flares which allow combustion up to 1,200oC and 0.5 seconds retention time:
- automatic flame temperature control
- non-visible flame
- turbulent diffusion flame
- 1200oC
- emission control
Key Specifications:
- Flow rate available in this range : 250 to 10,000 Nm3/h
- Pressure rise across gas booster : Approximately 150 mbar g
- Flame temperature : 1150 to 1200oC
- Retention time : 0.5 seconds minimum
- Minimum methane concentration for combustion at specified temp : 25% CH4
LCH Range Flares
Safe combustion of low calorific value gases.
Key Features
The LHC (Low Heat Content) Range flare is designed specifically to address the problem of combusting gases with low calorific values, or heat contents. The optimisation of combustion control techniques ensures that heat loss is minimised, whilst air and gas mixing is maintained at a very high level.
In normal landfill gas flares, for example, the usual minimum methane concentration at which a flare will burn is around 15 to 20% methane. Codes of practice, indeed, suggest that combustion should be halted when methane drops below 20% to avoid the possibility of an explosion. The LHC Range flare is designed specifically to burn below 20%. It has inbuilt explosion protection measures and can operate down to as little as 5% methane in air.
RB Range Flares
Shrouded ground flares which, as well as allowing high-temperature combustion, include exhaust gas recycle to minimise the formation of NOx:
- automatic flame temperature control
- non-visible flame
- turbulent diffusion flame
- 1000oC to 1200oC
- emission control
- reduced height possible whilst maintaining emission control
- reduced NOx emissions
Key Specifications:
- Flow rate available in this range : 250 to 3000 Nm3/h
- Pressure rise across gas booster : Approximately 150 mbar g
- Flame temperature : 1150 to 1200oC
- Retention time : 0.5 seconds minimum
- Minimum methane concentration for combustion at specified temp : 25% CH4
SMART Flares
The Organics premier range of flares which, as well as allowing high-temperature combustion, include full facilities for exhaust gas recycle, combustion air staging and fuel-gas staging to minimise the formation of NOx:
- Exhaust gas recycle
- Combustion air staging
- Reduced NOx emissions
Key Features
- natural-draft driven exhaust gas recycle
- NOx minimisation
- automatic flame temperature control
- non-visible flame
- turbulent diffusion flame
- 1000 to 1200oC
- emission control
- reduced height possible whilst maintaining emission control
- staged-air and staged-fuel options available for special applications