油田联合站水源热泵能效比软测量方法及节能效果研究  

Research on the soft measurement method and energy conservation effect of energy efficiency ratio for water source heat pump in oilfield combined station

作　　者：刘鑫[1] LIU Xin(No.2 Oil Production Plant of Daqing Oilfield Co.,Ltd.)

机构地区：[1]大庆油田有限责任公司第二采油厂

出　　处：《石油石化节能与计量》2024年第8期38-41,46,共5页Energy Conservation and Measurement in Petroleum & Petrochemical Industry

摘　　要：油田联合站水源热泵的应用既有效减少了以天然气为燃料的加热炉碳排放量,又解决了采暖伴热和机泵冷却的问题。但如何能精准方便测量和提高其能效比(COP)值,对水源热泵在油田推广应用有着重大意义。为此,采用BP神经网络对油田在运水源热泵的COP进行建模,测得与实际运行参数平均相对误差均小于1%,证明这种基于BP神经网络建模的水源热泵COP值软测量方法是可行的;另外,通过仿真模型分析,提出将水源热泵间接式单蒸发工艺改进为直进式双蒸发工艺,水源热泵COP值由3.6~4.2提高到4.5~4.8,年节约电耗174.1×104 kWh。研究结果对油田水源热泵的推广应用和系统节能降耗起到了积极作用。The application of water source heat pumps in oilfield combined station can not only effectively reduce the carbon emissions of heating furnaces using natural gas as fuel,but also can solve the problems of heating tracing and pump cooling.But how to accurately and conveniently measure and improve its energy efficiency ratio(COP)is of great significance for the promotion and application of heat pumps in oilfields.Therefore,the COP of heat pumps in operation in oilfields has been modeled by using BP neural network,and the average relative errors between the measured parameters and actual operating parameters are less than 1%,which proves that the soft measurement method for COP values of heat pumps based on BP neural network modeling is feasible.In addition,through the analysis of simulation model,it is proposed to improve the indirect single evaporation process of heat pump to the straight-forward double evaporation process.The COP value of heat pump has been increased from 3.6~4.2 to 4.5~4.8,and the average annual electricity consumption has been saved by 174.1×104 kWh,which makes research results play a positive role in the promotion and application of oilfield water source heat pumps,as well as system energy conservation and consumption reduction.

关 键 词：水源热泵 碳排放 BP神经网络 COP 直进式双蒸发工艺 

分 类 号：TE974[石油与天然气工程—石油机械设备]