FIELD: technological processes.
SUBSTANCE: invention relates to the field of thermal processing and recycling of solid hydrocarbon wastes and can be used in furnaces, gas generators and installations for thermal destruction of solid hydrocarbon wastes, including medical and biological wastes. Method involves incineration of waste, afterburning of gaseous combustion products, further processing for binding of hazardous substances in the decarbonisation chamber, passing through the heat exchanger and subsequent utilization of combustion products in the boiler. At that, first of all, afterburning chamber is started, after afterburning chamber operation mode is put into operation reactor with pre-loaded wastes, nozzle swirling device afterburning chamber creates rarefaction, and gaseous combustion products are transferred from reactor to afterburner, during incineration of wastes in reaction chamber, with a closed hole in lower part of sluice loading chamber, another portion of wastes is loaded into sluice loading chamber, after which closing the hole in the upper part of the sluice loading chamber, opening a hole in the lower part of the sluice loading chamber, and the wastes fall into the reaction chamber, afterburning of gaseous combustion products is carried out in a vortex counterflow combustion chamber, with supply to a nozzle swirling device of air heated in a heat exchanger of gaseous combustion products discharged from the furnace and dosed by supply of chemical reagents, wherein cleaned combustion products are discharged from afterburning chamber for further purification in decarbonisation chamber and further supply of cleaned combustion products to heat exchanger for air heating, and mixture of solid fraction and part of combustion products is removed from afterburner chamber and supplied to cyclone, wherefrom cleaned from solid fraction combustion products are supplied to reactor as gasifying agent, and solid fraction is accumulated in hopper. Described is an apparatus for realizing the described method.
EFFECT: wider field of use of the method and device, high efficiency of the working process, continuous operation of the device, high efficiency of the system for cleaning from harmful emissions into the atmosphere, high efficiency of the process.
4 cl, 1 dwg, 2 tbl
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Authors
Dates
2019-05-23—Published
2018-08-06—Filed