Fixed bed combustion

Grate firing system (ROFEA)

Description of ROFEA test facility

Configuration

Configuration of the grate firing system ROFEA
Configuration of the grate firing system ROFEA
Measurements in the grate firing system
Measurements in the grate firing system

The grate firing system

The grate firing system consists of a horizontal moving grate for wood chips and other solid biomass. The maximum thermal power output is 240 kW. The fuel feeding from the fuel storage is managed by two stokers.

The primary air is splitted in two different zones to improve the combustion.

The secondary air is splitted in three controlled stages. With this multiple air staged injection it is possible to reduce the NOx emissions considerably.

With 16 ports for portable suction probes the temperature and the gas composition can be determined everywhere in the combustion zone. The exhaust gas composition can be measured synchronously.

Technical data

thermal output 80 - 240 kW
fuels biogenic solid fuels and other waste or substitute fuels
fuel mass flow 15 - 100 kg/h
flue gas flow up to 700 m³/h

Contact

This picture showsMarc Oliver Schmid
M.Sc.

Marc Oliver Schmid

Department Flue Gas Cleaning and Air Quality Control (RuL)
Deputy Head of Department

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