Hydrogen-Rich Gas Production by Cogasification of Coal and Biomass in an Intermittent Fluidized Bed
Figure 1
Cogasification of coal and biomass in an intermittent fluidized bed reactor. (a) Pilot plant, (b) schematic diagram: biomass hopper; screw feeder; fluidized bed reactor; coal feeder; air distributor; wind room; high-temperature cyclone separator; char collector; PID temperature controller; tube-type heat exchanger; soft water pump; soft water tank; wet scrubber; (14) bell-type gas holder; (15) product gas collection bag; (16) chimney; (17) steam flow meter; (18) air flow meter; (19) roots blower, (b), (c) and (e): k-type thermocouple, (a) and (d): pressure taps; 1-1: air control valve (solenoid valve); 1-2: flue control valve (pneumatic valve); 2-1: steam control valve (solenoid valve); 2-2: gas control valve (pneumatic valve).