FIELD: chemistry.
SUBSTANCE: invention describes a process for the production of synthetic fuel from worn-out tires, including feeding worn-out tires to a reactor with heat-insulated walls through a charging device, pyrolysis of worn-out tires, subsequent separation of the solid phase, separation of pyrolysis products into liquid synthetic fuel and a gaseous phase, the pyrolysis process, the removal of the solid phase from the reactor via a discharge device, while the charging and discharging devices are filled with water with the possibility of formation of a water hydraulic shutter, and the liquid synthetic fuel obtained in the separation of the pyrolysis products is burned in a small amount in a reactor and the remaining part of the liquid synthetic fuel is sent to external consumers, characterized in that the reactor is provided with an external and internal circuit, pyrolysis is carried out at a small excess pressure in the internal circuit of the reactor, the pyrolysis process is maintained by the heat from the combustion of uncondensed pyrolysis gas and a mixture of liquid diesel and synthetic fuel in the external circuit of the reactor; after the pyrolysis process is completed, the solid carbonaceous residue in the internal circuit of the reactor and the smoke gases in the flue gas post combustion chamber by burning a mixture of liquid and synthetic diesel fuel with excess coli ETS air, and in case the reactor depressurization emergency or the inner contour of the reactor is fed inert gas - nitrogen. The process of loading worn-out tires and unloading unburned solid residues from the reactor is carried out at the expense of natural gravity without the use of conveyors with electric motors. Also, a plant for producing synthetic fuel from worn-out tires is described.
EFFECT: increasing the reliability and safety of the reactor, increasing the ecological purity of the pyrolysis process, reducing the power consumption of preparation, loading tires and unloading unburned solid residue.
2 cl, 1 dwg
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Authors
Dates
2017-07-03—Published
2016-06-15—Filed