Abstract
A promising method for spraying liquid hydrocarbons by a high-speed jet of superheated steam was studied experimentally. Information on the disperse composition and structure of the gas-droplet flow during the spraying of used transmission automotive oil was obtained using the method of shadow photography. Size distributions of fuel droplets were obtained in a wide range of operating parameters (flow rate and temperature of steam, fuel consumption).
Highlights
This work is a continuation of research aimed at increasing the combustion efficiency of substandard liquid hydrocarbon fuel based on the method of combustion in a jet of superheated steam developed at IT SB RAS [1]
The range of steam flow rates Fv=0.2÷1.4 kg/h corresponds to the working range of the dosing water pump
It is shown that an increase in steam flow rate leads to an increase in the size of oil droplets
Summary
This work is a continuation of research aimed at increasing the combustion efficiency of substandard liquid hydrocarbon fuel based on the method of combustion in a jet of superheated steam developed at IT SB RAS [1]. This method ensures high kinetic and ecological characteristics of the process achieved for the original burners of the evaporative type with steam gasification of products of thermal decomposition of fuel [2]. The effectiveness of the proposed method depends on the disperse composition of the gas-droplet flow, which determines the intensity of the processes of interfacial heat and mass transfer and, the parameters of reaction and composition of the combustion products
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