东二联加热系统改造设计
发布时间：2018-12-11 23:39
【摘要】：为了配合燃料结构调整,解决含聚原油加热在油气集输地面处理站场中使用设备无法满足站内热能需求的问题,对胜利油田常用加热设备使用介质及边界条件进行了调研分析,对蒸汽或热水与含水原油(含聚或不含聚)的现场工程应用中出现的问题进行了详细的研究和对比分析,经研究发现加热炉使用最为稳定,适用界面宽,单盘管换热器、蒸汽混掺装置可有效解决螺旋板换热器无法满足热介质为蒸汽时,含聚原油加热负荷的需求,但存在对外部热源依赖较高的问题。在对孤东油田东二联加热系统改造工程的设计过程中,综合考虑安全性、投资低、运行成本低等方面要求,结合水套加热炉及单盘管换热器内部结构的特点,结合热介质的进口温度、压力及出口过冷度控制、冷介质的流速控制、蒸汽的平衡分布系统调整、壳程内水相容积控制用于实现蒸汽与含聚原油换热的控制需求,设计完成换热、加热合一试验装置,在孤东油田进行中试后对蒸汽入口分布管的结构改进,使蒸汽进入装置分布均匀无死角;对盘管出入口结构改进,在外部可以单独控制和清洗每组盘管;增加烟道挡板,使散热损失减少。改进后的设备用于整个东二联加热系统,目前运行良好。
[Abstract]:In order to adjust the fuel structure and solve the problem that the equipment used in the field of oil-gas gathering and transportation ground processing station can not meet the thermal energy demand of the station, the medium and boundary conditions of the usual heating equipment in Shengli Oilfield are investigated and analyzed. The problems occurred in the field engineering application of steam or hot water and water containing crude oil (containing or without polymer) are studied and compared in detail. It is found that the heating furnace is the most stable, the suitable interface is wide, and the single coil heat exchanger is suitable. The steam mixing device can effectively solve the problem that the helical plate heat exchanger can not meet the demand of heating load of polymerized crude oil when the heat medium is steam, but there is a high dependence on the external heat source. In the design process of the east secondary heating system reform project in Gudong Oilfield, the requirements of safety, low investment and low operating cost are considered comprehensively, and the characteristics of the internal structure of the water jacket furnace and the single coil heat exchanger are combined. Combined with the control of inlet temperature, pressure and outlet undercooling of heat medium, the control of flow rate of cold medium, the adjustment of equilibrium distribution system of steam, and the volume control of water phase in shell program, the heat transfer between steam and polymer crude oil can be realized. The heat transfer and heating test device is designed and the steam inlet distribution pipe structure is improved after the pilot test in Gudong Oilfield so that the steam entering device can distribute evenly without dead angle. The structure of the inlet and outlet of the coil tube is improved to control and clean each group of coils separately outside, and the flue baffle is added to reduce the heat loss. The improved equipment is used in the whole East double heating system and is running well at present.
【学位授予单位】：中国石油大学(华东)
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TE96
本文编号：2373443
[Abstract]:In order to adjust the fuel structure and solve the problem that the equipment used in the field of oil-gas gathering and transportation ground processing station can not meet the thermal energy demand of the station, the medium and boundary conditions of the usual heating equipment in Shengli Oilfield are investigated and analyzed. The problems occurred in the field engineering application of steam or hot water and water containing crude oil (containing or without polymer) are studied and compared in detail. It is found that the heating furnace is the most stable, the suitable interface is wide, and the single coil heat exchanger is suitable. The steam mixing device can effectively solve the problem that the helical plate heat exchanger can not meet the demand of heating load of polymerized crude oil when the heat medium is steam, but there is a high dependence on the external heat source. In the design process of the east secondary heating system reform project in Gudong Oilfield, the requirements of safety, low investment and low operating cost are considered comprehensively, and the characteristics of the internal structure of the water jacket furnace and the single coil heat exchanger are combined. Combined with the control of inlet temperature, pressure and outlet undercooling of heat medium, the control of flow rate of cold medium, the adjustment of equilibrium distribution system of steam, and the volume control of water phase in shell program, the heat transfer between steam and polymer crude oil can be realized. The heat transfer and heating test device is designed and the steam inlet distribution pipe structure is improved after the pilot test in Gudong Oilfield so that the steam entering device can distribute evenly without dead angle. The structure of the inlet and outlet of the coil tube is improved to control and clean each group of coils separately outside, and the flue baffle is added to reduce the heat loss. The improved equipment is used in the whole East double heating system and is running well at present.
【学位授予单位】：中国石油大学(华东)
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TE96
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