介绍一种测量汽封间隙的新工艺及装置。
A new technology and device for measuring clearance of steam seal gland has been presented.
阐述了蜂窝式汽封的结构特点,具体应用部位。
The honeycomb glands' structural features and the location of their application are here delineated.
汽封的性能对机组的经济性和可靠性有重要的影响。
The performance of steam seals plays an important role in economic efficiency and reliability of the units.
对迷宫汽封转子振动频率对转子动特性系数的影响进行了分析。
For labyrinth seals, the effect of the vibration frequency of rotor on the rotor dynamic coefficients is analysed in this paper.
曲径汽封和活塞环提供了双密封系统,使油保持洁净并减少磨损。
Labyrinth seal and piston ring provide a dual sealing system, keeping oil clean and reducing wear.
分析了汽封间隙对机组振动的阻尼作用及其阻尼系数与振幅的关系。
It is analyzed that clearance of gland seal has damping action to vibration of the unit, and relationship of amplitude and damping coefficient of them is analyzed.
通过现场实地考察提出了排蒸汽离心引风机汽封设计的新思路、新结构。
New idea and new structure of air seal design for centrifugal induced draft fan is put forward through field inspection.
通过分析,确认校圆后的回火质量是钢板卷制汽封圈产生变形的主要原因。
It confirms that tempering quality after being circle checked is the main cause for deformation of the steam seal ring made by rolling.
新型“可调式汽封”的使用,使在运机组的安全性和经济性得到良好改善。
The application of "new type retractable seal rings" can greatly increase the safety and efficiency of the steam turbine.
合理选择结构可以有效地减少高低齿汽封的漏汽量,从而提高机组的经济性。
It could decreased leakage effectively by choosing the glands appropriately, so that the economy of steam turbine could be improved.
主汽门阀杆及调节汽阀阀杆漏气,前后汽封疏水等都引入集水管再排入地沟。
Stem steam leakage from main stop valve and governor valve, drainage of front and rear steam sealing, etc shall all be directed into the conduit, and then be discharged into the gutter.
从材料力学及流体力学角度探讨了弹性齿汽封设计的依据及其存在的理论基础。
From the aspects of material mechanics and fluid mechanics, discusses the design reason of elastic toothed belt vapour seal and its theory foundation.
采用圆筒壁与肋片传热等简化模型来计算汽封块、静叶和隔板的传热过程总传热系数。
Simplified heat transfer models like cylindrical surfaces and fins are used for calculating the overall heat transfer coefficients of gland blocks, stationary blades and diaphragms.
对生产中所遇到的特殊角度汽封齿的加工问题,设计了专用滚压刀具,并提出了实施方案。
Special rolling tools are designed for machining special gland sealing gears in production and some schemes are put forward to be put into practice.
实施合成气压缩机蒸汽轮机汽封技术改造后,机组运行安全性提高,起到了节能降耗的目的。
After the revamp of the steam seal of syngas compressor's steam turbine, the operating safety performance of the compressor bundle was improved, the consumption was reduced and energy was saved.
在汽轮机低压末几级隔板中,有两种比较典型的汽封结构形式——低直径汽封和对齿迷宫式汽封。
In the last several stages diaphragms of steam turbine LP casing, there are two typical diaphragm gland configurations-low diameter seals and opposite-teeth labyrinth.
根据研究结果,编制了相应的程序,用于300MW及600 MW等级机组的汽封弹簧设计和检验。
As a result, a program adopted in spring design and inspection of 300mw and 600mw class units was also worked out.
蜂窝式密封新技术在减小汽封径向间隙的同时,借助于优化密封蜂窝室几何参数显著提高了汽轮机组的安全经济性。
Honeycomb sealing technology could make steam turbine unit operation safe and economic due to geometric parameters optimization of honeycomb seals when decreasing radial labyrinth clearance.
对汽封弹性槽计算的结果表明:将原来设计的单圆弧弹性槽改为三圆弧弹性槽,热应变及热应变集中系数均可明显下降。
Thermal strain and strain concentration factor can also be reduced significantly by changing the single curvature relieve slot into three curvature relieve slot.
通过对汽封轴封间隙和轴系联轴器中心的调整,避免了机组冷态启动时汽封、轴封部分径向的动静碰磨,从而明显降低了轴承的振动。
Bearing vibration during cold starting has now been remarkably mitigated by readjusting gland clearances and coupling alignment, herewith preventing the occurrence of radial gland rubbing.
通过对汽封轴封间隙和轴系联轴器中心的调整,避免了机组冷态启动时汽封、轴封部分径向的动静碰磨,从而明显降低了轴承的振动。
Bearing vibration during cold starting has now been remarkably mitigated by readjusting gland clearances and coupling alignment, herewith preventing the occurrence of radial gland rubbing.
应用推荐