FIELD: chemistry.
SUBSTANCE: invention refers to the collecting system of hydrocarbon vapours generated at the loading of marketable products to railway cisterns providing the reducing of the liquid high-hydrocarbons losses and provision of collected liquid and gaseous products for production and local needs. The technological scheme of vapours collecting includes the cistern provided with inlet for pumped hydrocarbons and outlet for collected gaseous products, tandem connected heat-exchanger and fractionating condenser which liquid phase is connected with collector and gas phase - with gasholder connected with compressor. The latter is connected with adsorbers' assembly intended for heavy hydrocarbons recovery which outlet is connected after adsorbers' regeneration with cooling condenser, collecting tank and separating tank and through the pump - with inlet of the fed hydrocarbons pumped to the cistern.
EFFECT: decrease of general hydrocarbons losses during their loading to cisterns.
1 dwg
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