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The Rotary kiln Technology, marketed by Pulse Energy converts energy contained in biomass and other fuels to generate electrical power which is usually sold directly into the local electricity grid under a power purchase agreement. The heat of combustion from the fuel is released in the rotary kiln system. The kiln core temperature is maintained at about 1200 degrees C to ensure complete combustion of the fuel. The design often incorporate preheating of the combustion air to provide additional combustion stability and efficient fuel utilisation. The hot gases from the kiln system at high temperature enter the steam generator to produce superheated steam at 420oC and 4200 kPag. On a standard unit, steam is used to drive a condensing steam turbine, which is coupled to a generator to produce 10 MW of electrical power at 6,300 volts. This can be varied on a case by case basis. Steam discharging from the turbine is condensed in a surface condenser; the condensate is fed to a de-aerator via pumps and heated to release the non-condensable gases in the feed water. Heat rejected in the condenser is dissipated in mechanical-draft cooling towers. Prior to the engineering and design optimisation phase of the entire system, Pulse Energy conducts a series of experimental trials to determine the combustion characteristics of the fuel in order to select the efficient kiln and boiler parameters. The trials are conducted in a Pullenvale,
Pulse Energy has recently taken a local partner role in a venture created to develop waste to energy plants in A feed system transfers waste to the high temperature Plasma Destruction Chamber. In the chamber, inorganic wastes are vitrified into molten slag and organic wastes are dissociated into elemental components. The product gas from the Destruction Chamber is quenched and scrubbed, and can be reclaimed as a fuel for electricity generation. The benefits of this Plasma technology:-
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