1) LP inner casing
低压内缸
1.
Based on the testing results, the damaged area of ductile iron LP inner casing of 900MW supercritical steam turbine is repaired successfully.
叙述了QT400 15球墨铸铁可焊性试验评定及应用举例,试验包括检测QT400 15焊接接头的抗裂性、抗拉强度、金相分析及接头残余应力水平的评估等,并将试验结果成功应用于超临界900MW汽轮机球墨铸铁低压内缸的修复。
2) LPC (low pressure cylinder)
低压汽缸，低压缸
4) low pressure cylinder
低压缸
1.
Author has discussed the Corrosive form and the rust fouling pattern for the low pressure cylinder of CO2 compressor;analyzed the corrosive mechanism for oxygen corrosion,CO2 corrosion and their effecting factors;anti-corrosion measures were supposed from aspects of operation,maintenance,repair and process design etc.
论述了二氧化碳压缩机低压缸的腐蚀形式和锈垢形态;分析了氧腐蚀、CO2腐蚀的腐蚀机理和影响因素;从操作、维护、检修及工艺设计方面提出了防腐蚀措施。
2.
The construction and function of protection circuit and interlock circuit for the thermal engineering after the through-flow capacity of low pressure cylinder of 200 MW unit made in China was introduced , and the interlock relationship among the loops was also discussed, the application effectiveness of its protection and interlock system was presented as well.
介绍了国产200MW机组低压缸通流改造后热工保护,联锁回路的构成与作用,并且阐述了各回路的联锁关系,明确了其保护、联锁系统的应用效果。
3.
It discusses the location and characteristics and causes for turbine low pressure cylinder,and suggests some measures of preventing & slowdown this corrasion.
对汽轮机低压缸腐蚀进行了论述,分析了低压缸腐蚀部位、特征及腐蚀机理,并提出了防止和减缓低压缸腐蚀的措施。
5) low pressure casing
低压缸
1.
This paper analyzes the reason of distortion of low pressure casing, and discusses the effects of distortion of low pressure casing on operation stability of low pressure bearing.
文章分析了造成低压缸变形的原因,并论述了低压缸变形对低压轴承运行稳定性的影响。
2.
In order to meet the needs for performance analysis of thermal power units, it is discussed in this thesis that the calculating models of low pressure casing efficiency of steam turbine is predigested.
为满足火电机组实时性能分析的需要 ,探讨了再热机组汽轮机低压缸通流效率计算的简化方法。
6) LP Cylinder
低压缸
1.
The Boring Equipment Research on Mitsubishi LP Cylinder Bearing Spherical Surface;
三菱低压缸轴承球面镗削设备的研制
2.
and four processing methods for condition curves in calculation of specific enthalpy for exhaustc steam from LP cylinder at home and abroad being presented,and the advantages and disadvantages of each method being analysed.
根据ASME PTC6汽轮机性能验收试验规范确定低压缸排汽比焓的计算原则,介绍了目前国内外对计算低压缸排汽比焓及热力过程线的4种处理方法,并对各种方法的优缺点进行了具体的分析。
3.
With the analysis of the unit structure and various influencing factors which may cause the vibration, it draws a conclusion that the high exhaust steam temperature of LP cylinder is the immediate cause of the vibration in start up period, while the great circulating water inlet pressure of the condenser is the reason for the vibration during operation.
通过剖析机组的结构 ,分析引起振动的各种影响因素 ,得出 :低压缸排汽温度高是引起启动过程振动大的直接原因 ,冷凝器循环水入口压力大是引起运行过程振动大的原因。
补充资料：-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃
中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯
英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton
性质描述: 无色至微黄色液体。凝固点-31℃，沸点205-206.5℃，83-84℃（1.73kPa），相对密度（25/25℃）1.0578，折光率（nD25）1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。
生产方法: 由不饱和羧酸通过闭环反应来合成，例如乙酰乙酸与硫酸共热，或乙酰丙酸在镍、铜等催化剂存在下加氢。
用途: γ-戊内酯有较强的反应能力，可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂，用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃
中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯
英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton
性质描述: 无色至微黄色液体。凝固点-31℃，沸点205-206.5℃，83-84℃（1.73kPa），相对密度（25/25℃）1.0578，折光率（nD25）1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。
生产方法: 由不饱和羧酸通过闭环反应来合成，例如乙酰乙酸与硫酸共热，或乙酰丙酸在镍、铜等催化剂存在下加氢。
用途: γ-戊内酯有较强的反应能力，可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂，用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条