Flare Stacks
High-temperature combustion with a flare stack is a suitable solution
for the treatment of all kinds of contaminated gas. This also applies
to highly corrosive gas and process air that would not burn its own.
Standard applications are landfill gas, industrial process air, sludge gas, biogas and petroleum gas. Low calorific value gas is mixed with auxiliary gas (e.g. propane) before it enters the flare unit.
Three different product lines of flare stacks are available:
1. LT (low Temperature) flare stacks
- Simple flare, burning chamber not insulated
- For gases that are not subject to specific emission limits (e.g. sludge gas, biogas)
- If temperature regulation is not required for the exhaust gas
2. MT (medium temperature) flare stacks for temperatures of up to 1,050°C (Celcius)
- High-temperature flare with insulated burning chamber
- For gases that require combustion and exhaust temperatures higher than 1,000°C, according to TA-Luft standards (e.g. contaminated sludge gas, biogas)
- If, at the same time, a range of control of 1:3 is sufficient, e.g. because a gas storage tank is available nearby due to discontinuous gas quantities.
3. HT (high temperature) flare stacks for temperatures of up to 1,250°C
- High-temperature flare with reinforced insulation in the burning chamber and with an extended range of control
- For gases that require combustion and exhaust temperatures of up to 1,250°C and a minimum flue gas residence time of more than 0.3 seconds (e.g. landfill gas or highly contaminated industrial process air, according to TA-Luft standard and United Kingdom Guideline)
- If ranges of control of 1:5 to 1:10 are required
Test a flare before you buy it!
You can rent a mobile flare stack to test its efficiency. The results are convincing. Mobile flares are most suitable for applications limited in time, i.e. degasifying tests, protective degassing and for the disposal of gas in emergency situations. You can also buy these facilities second-hand. Don’t hesitate to ask!
Booster Units
Special
equipment is sometimes required to extract gas from a landfill site. The
so-called "booster units" increase the pressure of the landfill gas in
a way that it is suitable for combustion in flare stacks or for power
generation in cogeneration plants (CHP).
Booster units ready for operation and fitted into transportable containers. We also supply pre-assembled units mounted on steel skids.
Smaller mobile facilities are fitted into a standard container and consist of a booster unit, a high-temperature flare stack, and an integrated gas analysis system. This equipment can also be placed on a skid or on a concrete slab.
Depending on the required application either side channel blowers, centrifugal boosters, roots boosters, helical blowers, or liquid ring compressors will be used. This is to provide any required pressure, ranging from low pressure up to 10 bar maximum.
Not only the local gas quantities and qualities, but also the required pressure difference are key criteria that will determine which kind of equipment is suitable for the application. Attention must also be paid to the clear difference the choice of equipment makes with regard to investment costs, power supply, and running costs.