FIELD: railway transport.
SUBSTANCE: invention relates to methods used for complete unloading of solid residue of cooled high-viscosity black oil from rail tank cars. When implementing the method, solid residue is washed out through lower draining device by jets of black oil, heated external heat exchanger, delivered under pressure into tank, and delivering heated black oil through upper washing out device to surface of solid residue.
EFFECT: improved efficiency of unloading of solid residue at reduction of time and energy consumption for unloading.
2 dwg
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