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Biomass Gasification - Power Plants
AIR TECHNIC s.r.o. designs and builds complete biomass gasification power plants with IC engines and generators. In the year 2015 AIR TECHNIC s.r.o. successfully completed gasification technology development. Plant and technology’s technical parameters and commercial reliability are proven in continuous operation. Gasifier technology is registered at the Offices of Industrial Ownership of the Czech Republic under the Paragraph 11, Section 1, Item No. 478/1992 Sb., in full, inscribed in the Register as UTILIZATION SAMPLE No. 28354. Gasification is a termochemical conversion of carbonaceous materials (biomass) into combustible gases. This is achieved by reacting the material at high temperatures with a controlled amount of air or mixture of oxygen with steam, depending on the use of the generator gas.
The main product of gasification is a generator gas (syngas) containing the gaseous components of H2, CO, CO2, CH4, H2O, N2, hydrocarbons and higher boiling pyrolysis products (tar) and a solid residue often containing a certain amount of carbon, dust and other compounds.
The gasifier developed by AIR TECHNIC is atmospheric, unique downdraft configuration. The gasification of the biomass is divided into zones in the gasifier – drying, pyrolysis, oxidation and reduction. The main advantage of this type gasifier is the production of syngas with low tar content for IC engines.
Power plant electrical output per one gasifier line*: 600 to 710 kWe
Parasitic electrical load: up to 12%
Power plant electrical efficiency – feedstock to energy: 32,0 %
Thermal energy generated at outside ambient temperature of t = 0°C: 600 to 710 kWt
Feedstock consumption at heating value of 8 MJ/kg and MC of 50 %: 0.85 – 1.00 tonne/h
*The gasifier can also be operated at lower power
Higher electrical and thermal output is achieved by parallel arrangement of gasifier lines, i.e. syngas generators and IC engines.