天然气化工Issue(6)：58-62,5.
天然气轻烃回收DHX工艺优化研究
Design and optimization of DHX process for light hydrocarbon recovery from natural gas
摘要
Abstract
A DHX process for light hydrocarbon recovery from natural gas was designed, and the influences of feed gas pre-cooling temperature, outlet pressure of expander, and C1/C2 mole ratio of feed gas on DHX tower temperature, propane compressor power, compressor power of product gas, expander power and C3+ recovery rate were investigated. The results showed that propane compressor power and C3+recovery rate increased at first and then decreased with the decrease of feed gas pre-cooling temperature;the outlet temperature of DHX tower decreased while the compressor power of product gas, expander power and C 3+ recovery rate increased with the decrease of the outlet pressure of expander;and increasing C1/C2 mole ratio of feed gas led to the obvious decrease of the inlet and outlet temperature of DHX tower, and ultimately increased C3+recovery rate. The optimum operation parameters for the DHX process were feed gas pre-cooling temperature of-40℃and expander outlet pressure of 3.2MPa, and C3+recovery rate could reach 97.18%under these conditions.关键词
轻烃回收/DHX工艺/天然气/C3+收率/优化Key words
light hydrocarbon recovery/DHX process/natural gas/C3+recovery rate/optimization分类
能源科技引用本文复制引用
韩淑怡,王科,祁亚玲,胡玲,刘慧敏,高鑫,杨婷婷,冼祥发,查庆芳..天然气轻烃回收DHX工艺优化研究[J].天然气化工,2014,(6):58-62,5.基金项目
中国石油集团公司工程建设分公司科学研究与技术开发项目 （）
