SuperFlox – Process Lay-out
Flameless Combustion – The Technology
WTE-Tech has selected E-Flox burners and controls as basis for the new technology development for waste gas utilization for the following reasons:
- Separated feed streams fuel gas and combustion air;
- No pre-mixing of fuel gas and combustion air;
- Minimum gas rates at the burner tip required to meet mixing requirements;
- Pre-heat of furnace above auto-ignition temperature (650-700 °C) required;
- Reduced oxygen level in the combustion chamber (3-10 %v);
- Compact design of combustion chamber;
- Inventive burner design for max heat recovery and overall energy efficiency.
WTE-Tech unit operations are characterized by:
- Intensive mixing of the separately introduced gas streams in the combustion chamber;
- Effective and homogeneous combustion of all hydrocarbons available;
- Flat temperature (<1400 °C) and concentration profiles through combustion chamber (see figure);
- Wide concentration range – 1,5-15 %v;
- Wide range of hydrocarbons can be applied;
- Non-hydrocarbons are fully oxidized (H, S, N and other);
- Reduced oxygen levels are applied, no interference with Lower Explosion Limits, LEL;
- High robustness from safeguarding perspective;
- High overall efficiency and heat recovery.
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