FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to a gas drying method. The proposed method comprises forcing of gas through one or several cooling chambers connected in series. Note here that a solvent flow is fed into every chamber to remove water from the gas. Then, the mixed flow of the gas and solvent is fed in every cooling chamber to be cooled therein and, thereafter, to be separated by a gas-fluid separator into the gas flow with the reduced water content and the solvent flow enriched with water. The water content in the gas is gradually decreased sequentially in all the cooling chambers. Note also that every flow of the solvent separated and enriched with water is either used as an upstream cooling chamber feed flow or returned to a recovery unit for water separation. Note also that the solvent downstream of the coiling chamber is directed from the gas-fluid separators into the recovery unit to be recycled and fed upstream of the last chamber to the mix of the gas and solvent. The recovered solvent flow downstream of the recovery unit is fed to the gas flow of the last downstream chamber, the solvent separated downstream of the said chamber is fed to all other upstream cooling chambers.
EFFECT: perfected method.
7 cl, 2 dwg
