| 摘要 |
A device for condensing volatile organic compounds (VOC) from a storage or transport tank ( 4 ) into oil from the same or another storage or transport tank ( 4 ) via a downcomer ( 6 ), where the upper part ( 8 ) of the downcomer ( 6 ), which upper part has a cross sectional area that is essentially unreduced, is connected to a gas pipe ( 14 ), the gas pipe ( 14 ) communicating with the upper part ( 16 ) of the storage or transport tank ( 4 ), and where the upper part ( 8 ) of the downcomer ( 6 ) is arranged at a sufficient height above the upper part ( 16 ) of the storage or transport tank ( 4 ) to cause an inflow of gas from the upper part ( 16 ) of the storage or transport tank ( 4 ) due to the underpressure created in the upper part ( 8 ) of the downcomer ( 6 ) when oil flows down through the downcomer ( 6 ).
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