1)  fouling resistance
结垢热阻
1.
The effect of residuum velocity, temperature and operation time on the value of fouling resistance was studied.
采用传热量测量法测定了渣油在不同运行条件下的结垢热阻 ,研究了渣油结垢热阻随时间、流速和温度的变化规律。
2)  scaling
结垢
1.
Corrosion and scaling analysis in the process of sewage injection of Wanchang Oil Field;
王场油田改注污水后腐蚀结垢分析
2.
Precautions against Scaling and Water Sensitivity in Oilfield Water Injection Development;
油田注水开发过程中结垢与水敏的防治
3.
Research progress on corrosion,scaling and asphalt deposition in heavy oil CO_2 flooding;
稠油CO_2吞吐腐蚀、结垢和沥青沉淀研究进展
3)  fouling
结垢
1.
Analysis of Fouling Characteristics of Oil Well at Different Phase after Waterflood;
长庆油田注水见效不同阶段油井结垢特征变化分析
2.
Analysis on Fouling in Lye Cooler and Anti-fouling Measures;
碱液冷却器结垢原因分析及防垢措施
3.
Research progress in fouling mechanism of heat transfer equipment;
换热设备结垢机理的研究进展
4)  scale
结垢
1.
Study on scale performance of magnesia wet flue gas desulfurization process;
氧化镁湿法烟气脱硫结垢性能的研究
2.
Treatment to the scale depositing in the air compressor cooling water circulation system;
空气压缩机循环冷却水系统结垢的处理
3.
Practice in prevention and control of scale in tube falling-film evaporator;
防治管式降膜蒸发器结垢的生产实践
5)  scale formation
结垢
1.
Study of scale formation in water pipe of BF cooling stave and its main influence factors;
高炉冷却壁内水管结垢研究及其主要影响因素
6)  Scale deposit
结垢
1.
Corrosion and scale deposit reasons of tubes were discussed, through the in-situ investigation, produced water composition analysis, XRD analysis of scaling samples of single well in Western oilfield, combining scaling prediction and corrosion rate monitor.
通过对西部某油田油管腐蚀结垢现状调查、单井采出液成分分析和垢样XRD分析,结合油管结垢趋势预测及室内高温高压腐蚀试验,探讨了油管腐蚀结垢机理。
2.
In view of the present situation and characteristics of the scale deposit in Longdong Oilfield,this paper analyses the mechanism and the influence factors of scale deposit.
针对陇东油田的结垢现状与特点,分析了结垢机理及其影响因素,介绍了目前应用于陇东油田油水井、集输系统的刮垢刀、高压除垢、长效地层清防垢等物理化学技术。
3.
This study indicated that the the scale deposit didn't have much to do with the formation water carried by the gas and it was mainly resulted from acid gas corrosion and bacteria corrosion.
南阳油田某净化站是一套气体净化、液化气处理装置,生产中发现有结垢现象出现,系统压降较大,影响了设备的正常运转,同时引发了严重的垢下腐蚀。
参考词条
补充资料:传热学:热阻
热阻:
反映阻止热量传递的能力的综合参量。在传热学的工程应用中﹐为了满足生產工艺的要求﹐有时通过减小热阻以加强传热﹔而有时则通过增大热阻以抑制热量的传递。
         当热量在物体内部以热传导的方式传递时﹐遇到的热阻称为导热热阻。对於热流经过的截面积不变的平板﹐导热热阻为L /(A )。其中L 为平板的厚度﹐A 为平板垂直於热流方向的截面积﹐为平板材料的热导率。
         在对流换热过程中﹐固体壁面与流体之间的热阻称为对流换热热阻﹐1/(A )。其中为对流换热係数﹐A 为换热面积。两个温度不同的物体相互辐射换热时的热阻称为辐射热阻。如果两个物体都是黑体(见黑体和灰体)﹐且忽略两物体间的气体对热量的吸收﹐则辐射热阻为1/(A 1F 1-2)或1/(A 2F 2-1)。其中A 1和A 2为两个物体相互辐射的表面积﹐F 1-2和F 2-1为辐射角係数。
         当热量流过两个相接触的固体的交界面时﹐界面本身对热流呈现出明显的热阻﹐称为接触热阻。產生接触热阻的主要原因是﹐任何外表上看来接触良好的两物体﹐直接接触的实际面积只是交界面的一部分(见图 接触热阻示意图 )﹐其餘部分都是缝隙。热量依靠缝隙内气体的热传导和热辐射进行传递﹐而它们的传热能力远不及一般的固体材料。接触热阻使热流流过交界面时﹐沿热流方向温度 T 发生突然下降﹐这是工程应用中需要儘量避免的现象。减小接触热阻的措施是﹕增加两物体接触面的压力﹐使物体交界面上的突出部分变形﹐从而减小缝隙增大接触面。在两物体交界面处涂上有较高导热能力的胶状物体──导热脂。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。