DEVICE FOR GAS REMOVAL FROM CISTERNS Russian patent published in 2009 - IPC B08B9/08 

FIELD: chemistry.

SUBSTANCE: invention refers to devices for cisterns preparation to repair or/and for technical examination for liquified oil gases (butane, propane and their mixtures etc) transporting and storage and can be used for same purposes at the service of the tanks (cisterns, reservoirs and containers) intended for transporting and storage of other hydrocarbon products and other chemicals e.g. ammonia, methanol, ethanol etc. The device contains compressor, the gas withdrawal line connected with suction connection, cooler and holding tank for liquid propane-butane mixture. Compressor is provided with hydraulic drive, oil pump and oil pipeline; the design of suction valves provides the possibility of positive opening and closing.

EFFECT: simplifying of construction, reducing of capital and running costs, decrease of harmful air-emissions, improvement of economical performance.

7 cl, 1 dwg