Parameter optimization of light hydrocarbon gas production process based on response surface method
Light hydrocarbon gas is convenient to produce gas and has good combustion performance,which is a good supplementary gas to natural gas.Aiming at the safety problem of mixed-air light hydrocarbon gas system under target calorific value,a numerical analysis method for multi-response optimization design of gas-making process is presented.A mixed-air light hydrocarbon gas gasification model is established based on Aspen Plus software.Based on PENG-ROB method,the effects of mixing ratio,gas production pressure,pentane content,and recombination content on dew-point and calorific value of gas are studied.The response surface test is designed,and the response variable fitting equation is obtained.The multi-response optimization is carried out on the response surface results by the satisfaction function method,and the parameter combination is obtained when the response variables reach the optimal at the same time.The results show that the gas production pressure has the greatest effect on the dew-point and the air-mixing ratio has the greatest effect on the calorific value of the gas in the process of gas production.When the mixing ratio is 1∶3.61,the gas production pressure is 20 kPa,the pentane content accounts for 90%,and the recombination content accounts for 0.29%,the calorific value of the gas reaches the specified value of 29.30 MJ/m3 and the dew-point reaches the lowest point of-34.01℃.
light hydrocarbongasificationnumerical simulationresponse surface methodsatisfaction function
万方数据
维普
