BIOMASS WASTE GASIFICATION BASED ENERGY SYSTEM Russian patent published in 2019 - IPC F23B99/00 F23G5/27 

FIELD: power engineering.

SUBSTANCE: invention relates to the energy devices, providing the electrical and thermal energy production using combustible gases produced during the biomass supercritical gasification. Biomass waste gasification based energy system (ES) contains a biomass bunker, the biomass aqueous suspension preparation and storage unit, a reservoir with water condensate, high pressure pumps (HPP), a countercurrent type economizer-heat exchanger, preheater, vertically located reactor, which vessel contains two input, exhaust and output branch pipes, wherein two input and exhaust branch pipes are made in the upper and the output branch pipe is in the reactor lower part, reaction products in the liquid and solid phases removal hatch, a condenser, a gas-liquid separator, which lower branch pipe through the adjustable choke valve is connected to the water condensate collecting reservoir, CO₂ gas scrubber, which gas output is connected to the gas cylinder ramp, gas engine with the electric generator through the control pressure reduction valve connected to the gas cylinder ramp, at that, the first HPP is connected to the biomass aqueous suspension preparation unit, and its discharge branch pipe is connected to the economizer 1st circuit and, further, to the reactor 1st input branch pipe, the second HPP is connected to the tank with the water condensate, and its pressure branch pipe is connected to the 2nd economizer circuit and through the preheater circuit to the 2nd reactor input branch pipe, and the 3rd economizer circuit outlet is connected to the condenser and, further, to the gas-liquid separator. Energy system is equipped with a steam-gas turbine with an electric generator, installed between the reactor gas outlet branch pipe and the 3rd economizer circuit input branch pipe, at that, the second HPP pressure branch pipe is connected to the economizer 2nd circuit through the condenser cooling channels system, heat and power unit, containing a regenerative circuit with a circulation pump, two gas / liquid heat exchangers with branch pipes for liquid heat-carrier, each of which is made of at least two sections, a boiler and a smoke exhauster unit with the third gas / liquid heat exchanger, which gas channel is included into the exhaust duct upstream of the ES exhaust pipe, first heat exchanger gas channel, containing at least two sections, is included to the exhaust gas channel between the exhauster unit and the gas engine, and the second is into the oxygen-containing gas (air) supply channel, the coolant circuit, covering the circulating pump, the gas exhaust fan heat exchanger cooling circuit, the first heat exchanger cooling circuit, second heat exchanger heating circuit and the boiler heating circuit, which cooling channel is included into the hot water circuit, a integrated into the preheater structure gas burner and connected to the gas cylinder ramp through the control pressure reduction valve.

EFFECT: technical result of the invention is in increase in the energy system energy and economic efficiency, manageability, and also in increase in the functionality due to the possibility of its use as the energy storage device for the peak power consumption modes.

6 cl, 1 dwg