TECHNOLOGY OF WATERCARBON FUEL COMBUSTION IN POWER BOILERS
Purpose: to develop and prove the technology of application coal and carbonaceous wastes in the form of coal-water fuel (WCF), simplifies handling of solid fuels. Based on a review of the existing level of boiler and combustion equipment and experience of application of WCF the “ProEnergoMash” company developed and proposed a new scheme of vortex WCF combustion in power boilers. The scheme is proved by undertaking a detailed mathematical modeling of combustion processes on the example of the oil-gas boiler P-56GM and BKZ-75. The calculation shows that a toroidal vortex is forming under the constriction. The high-temperature core surrounds the vortex. It provides a multiple circulation of particles in the area of active burning and creates the conditions of sustainable ignition and complete combustion with the suppression of the emission of NOx and SO 2.