本文阐述城市蒸汽管道数字系统框架。
小直径饱和蒸汽管道属于无源热工部件。
Short diameter saturated steam pipes belong to passive thermodynamic objects.
摘要：主蒸汽管道振动严重影响机组运行安全。
Vibration of main steam pipe seriously affect the unit's running security.
还介绍了超期服役主蒸汽管道剩余寿命试验结果。
The experimental results of steam pipes which has been in operation over 100,000 hours are also reported.
弯管是火力发电厂主蒸汽管道系统中较易损坏的部件之一。
Elbow is one of parts in the system of main steam pipe which is easy to damage.
主要用在蒸汽管道上面，补偿蒸汽管道因热胀冷缩产生的位移。
Mainly used in steam pipe above, the compensation steam pipe for heat bilges cold shrink from the displacement.
本文以金相分析与断裂力学方法研究了主蒸汽管道蠕变破裂过程。
In this paper, the fracture process in creep of main steam pipeline is studied by metallographical and fracture mechanics.
探讨了蒸汽管道的敷设和补偿，蒸汽系统的排气和疏水，凝结水的回收。
Installation and compensation of steam pipeline, vent and condensate drain-off of steam system, recovery of condensate are discussed.
多屏绝热辐射直埋蒸汽管道保温层由多层屏蔽反射层与常规保温材料制成。
The insulating layer of multi-screen insulated radiant directly buried steam pipeline is composed of multi-screens reflecting layer and conventional insulating material.
分析了钢铁厂热力系统中蒸汽管道水冲击的原因，提出了处理方法及预防措施。
The reasons of the water clash in vapor pipeline in thermal system at an iron and steel plant are analysed. Meanwhile, the preventive measures and treatment ways are put forward.
热力钢弯管是主蒸汽管道的薄弱部位之一，其寿命直接关系到整个管道系统寿命。
The heat - resisting steel elbow is one of the weak parts of the main vapour piping, the life of which is directly related to the life of entire piping system.
对炼油装置中蒸汽管道敷设现场存在的问题进行了分析，并提出了一些建议进行探讨。
Some problems laying the steam pipeline in site of refining plants were analyzed, and some Suggestions were probed into.
P 92钢是目前超超临界机组主蒸汽管道的应用钢种，其蠕变断裂寿命被广泛关注。
The P92 steel is a steel sort being used for main steam pipelines of ultra-supercritical units at present, its creep rupture life has widely drawn close attention.
对目前在役的高压电站主蒸汽管道和再热汽管道(热段)蠕变现象进行了分析与探讨。
There were some analysis and probe of creep in main Steam pipe and reheat pipe (hot segment) in service utility boiler.
这些加热蒸汽管道应做适当支撑，避免启动、正常运行、转变过程中发生的振动过多。
These heating steam pipes shall be suitably supported to avoid excessive vibration during start-up, normal operation and transients.
的作用是能自动、间歇排出蒸汽管道及蒸汽设备系统中的冷凝水，并能防止蒸汽泄出。
Traps can automatically is the role of intermittent steam from the steam pipes and equipment in the condensed water system and to prevent the steam Xiechu.
本课题选取适合寿命评估的高温高压部件，如主蒸汽管道及过热器管进行寿命管理研究。
In this paper, high temperature and high-pressure components fitting for life assessment such as main steam pipeline and boiler tube were selected for life management studying.
本发明涉及一种水温自动控制装置，特别是育苗池内利用蒸汽管道加温的水温控制装置。
The present invention relates to automatic water temperature controller, and is especially automatic water temperature controller with heating steam pipeline in fry nursing pool.
论文完成的主要工作及取得的成果如下： （1）大直径饱和蒸汽管道属于有源热工部件。
The main work and production of the paper are as follows, (1) Long diameter saturated steam pipes belong to active thermodynamic objects.
此外，还提出了牺牲阳极在直埋蒸汽管道中应用的局限性，为此类管道的安装提供了参考。
Besides, it raises the limit of use of sacrificial anode in directly buried steam pipeline and AIRS our corresponding views. It can be used as a reference for the installation of such pipes.
他表示，这次爆炸是由于聚集在蒸汽管道的氢气与氧气混合而引发的，而且未对核燃料容器造成任何损伤。
The explosion, he said, was due to hydrogen buildup in the steam piping that mixed with oxygen, and that there was no damage to the container with the nuclear fuel.
玻璃棉制品的用途：空调保温、风管保温、钢结构保温、锅炉保温、除尘器、蒸汽管道保温等。
Glass cotton USES: air conditioning heat preservation, duct insulation, steel structure heat preservation, boiler heat preservation, precipitator, steam pipe heat preservation, etc.
结果表明，该主蒸汽管道的弯头、焊缝热影响区和三通等部位石墨化严重，部分部件需要更换。
The results show that the graphitization of the bent, HAZ and tee of the main steam pipeline stand is severe, and the relevant components should be replaced.
探讨了直埋蒸汽管道的保温结构、保温材料、外保护管、固定支座、补偿器、疏水装置等技术。
The technique of directly buried steam pipeline such as insulation construction, insulating material, outside protective pipe, fixing support, compensator, and steam trap connections is discussed.
这些规定应包括有出现如高水位报警，金属温度急剧下降或蒸汽管道振动等征兆时必须采取的措施。
These regulations shall include the necessary measures for such symptoms as high water level alarming, metal temperature sharp fall or steam pipe vibration.
目前新建的亚临界机组中，主蒸汽管道及再热蒸汽管道热段的材料已用P 91钢代替P 2 2钢。
Steel P91 has been used instead of P22 as the material for main steam and high temperature reheat steam pipelines in new built subcritical pressure units.
模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热热阻计算方程组成。
The model was made up of inner steam temperature drop equations, the steam pipe laying different ways of unit length heat loss equations, total heat resistance calculation equations.
是指用于蒸汽系统、蒸汽管道，用来控制蒸汽的开关的电磁阀，采用硬密封或者四氟软密封，能耐高温。
Steam solenoid valve is used for steam system, steam piping, solenoid valve used to control the steam, the seal or PTFE soft seal, high temperature.
基于主蒸汽管道中16N核素监测的蒸汽发生器泄漏率监测方法，目前已成为蒸汽发生器泄漏监测的主导方法。
The method of through monitoring 16N activities in the main steam pipe to get the leak rate of steam generator, now is the main way of steam generator leak rate monitoring.
基于主蒸汽管道中16N核素监测的蒸汽发生器泄漏率监测方法，目前已成为蒸汽发生器泄漏监测的主导方法。
The method of through monitoring 16N activities in the main steam pipe to get the leak rate of steam generator, now is the main way of steam generator leak rate monitoring.
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