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Ever since November, 2005, the high-pressure heat exchanger in No.

茂名分公司I套柴油加氢装置2005年11月份以来高压换热器管束因铵盐结晶造成换热效率下降,管程出口温度下降,反应系统压力降逐步上升,循环氢量明显下降,反应氢油比不足,循环氢压缩机喘振。

(1) Washing the deposited oil in high-pressure heat exchanger pipeline with demineralized water is more effective than blowing it with hydrogen or steam.

介绍了燕山分公司炼油厂中压加氢裂化装置高压换热系统及加热炉改造时开停工步骤的优化措施:①用软化水冲洗高压换热器区管道设备内的存油比用氢气或蒸汽吹扫可以起到更好的效果;②针对装置自身的特点确定设备脱氢条件既能保证脱氢质量又能节约脱氢时间;③在催化剂不卸出的情况下,通过增设临时管线并将加热炉烘炉、高压换热系统和加热炉炉管烘干与反应系统气密一起进行可收到既保护催化剂又节约时间的效果。

On the basis of technical revamping of China's first domestically manufactured hydrocracking unit to process high-sulfur feed, the corrosion mechanisms and corrosion rate of existing high-pressure heat exchanger in high-sulfur environment were studied and theoretical basis of continuous online service of the heat exchangers was presented.

结合首套国产化加氢裂化装置的高硫改造,探讨了现有高压换热器在高硫环境下的腐蚀机理与速率,提出了可以继续服役的理论依据,并介绍了高硫改造后的生产情况以及高压换热器的全面检验、器壁保护膜的分析研究等内容。

Analysis and preventive countermeasures for the leakage cause of high pressure heater of home-made 300MW turbine;

国产300MW汽轮机高压加热器泄漏原因分析及预防措施

Analysis and countermeasures on the high pressure heater leakage in 300MW units;

300MW机组高压加热器泄漏原因分析及预防措施

Structural design of 142 MW whorl tube high pressure heater;

142MW大型螺管高压加热器结构设计

Fault diagnosis of high-pressure heater system based on radial basis probabilistic neural network;

基于径向基概率神经网络的高压加热器故障诊断

According to the reality that it has no bore for in and can not dismantle,by making reference the relative standard and rule,this article puts forward the way and technics of repairing to leakage at high-pressure heater main body in power plant.

结合高压加热器无人孔不能拆卸的实际情况,参考相关的规程、标准,提出了电站高压加热器筒体损伤泄漏部位的修复方法和工艺。

two times without temperature rise of the feed-water,occurred in operation of the externally arranged steam cooler for high-pressure heater of unit no.

分析了蒲城发电有限公司3号机组高压加热器外置式蒸汽冷却器运行中曾2次出现给水无温升的异常现象。

Analysis of the seals used in high pressure heat exchanger on hydrogenation plant;

加氢装置高压换热器密封的分析比较

The high pressure heat exchangers in the 5 600 b/d hydrocraker in the refinery of PetroChina Daqing Petrochemical Co.

针对大庆石化分公司炼油厂260 kt/a加氢裂化装置高压换热器频繁内漏的状况,深入分析造成内漏的原因,主要有:(1)螺栓预紧力不够;(2)温度变化;(3)压力升降。

Application of Preload Disc Spring in the High-pressure Hydrogenation Heat Exchanger

预紧碟簧在加氢高压换热器上的应用

Analysis of hydrocracker high-pressure heat exchanger leakage and solutions

加氢高压换热器泄漏原因分析及解决措施

Cause analysis and treatment of the blockage at high pressure heat exchanger in a 28000m~3/h air separation unit

28000m~3/h空分设备高压换热器堵塞的原因分析与处理

LPHP hot water heat exchanger

低压-高压热水换热器

Ablation&Corrosion to Carbon Heat Exchange Tubes and Tubesheet in HP Heater

高压加热器碳钢换热管及管板的冲蚀和腐蚀

hydraulic transmission oil heat exchanger

液压传动油热交换器

Finite Element Analysis of High Pressure U-Tube Heat Exchanger's Tubesheet;

高压U型管式换热器管板的有限元分析研究

Analysis of Air Channel Blockage in the High-pressure Plate-fin Heat Exchanger for Internal-compression Air Separation Unit

内压缩流程空分设备高压板翅式换热器空气通道堵塞的分析

Study on Performance of Heat Exchanger for Centrifugal Compressor;

离心式空气压缩机换热器换热效率的研究

jacketed-pipe high-pressure steam preheater

高压蒸汽套管预热器

The Application of LES in The Study of Low Temperature Normal Pressure Exchanger

大涡模拟在低温常压换热器中的应用

Characteristic Research on the Low Pressure Steam Injector Heat-Exchange Device;

低压蒸汽喷射器换热装置的特性研究

Study on Corrosion of Aluminized Mild Steel Heat-exchanger in the Low Temperature Area of Atmospheric-Vacuum Distillation Plant;

常减压装置低温部位换热器选材对比

Study of Distribution Transformer Direct-Embedding Heat Exchange in Shanghai

上海地区配电变压器地埋热交换研究

Treatment of inefficient heat exchange effect of water cooler in oxygen compressor

氧压机水冷却器换热效果不佳的处理

Heat Transfer and Pressure Drop Analysis on Evaporation of Refrigerant R410a in Plate Heat Exchanger

R410a的板式蒸发器换热与压降分析

THE TRANSFORMATION OF HEAT TUBE AIR HEAT EXCHANGER IN BLAST FURNACE NO.9 OF ANSHAN IRON AND STEEL CO

鞍钢9号高炉热管空气换热器的改造

A Single Switch High Voltage Converter based on Parallel Connection of Piezoelectric Transformers

基于并联压电变压器的单开关高压变换器