帧7FA配件解决方案

MD&A’s San Antonio Service center, an industry leader in Frame 7FA gas parts repair and manufacturing, offers Frame 7FA parts,维修升级。

该设施具有前缘设备和修复技术与在多个帧燃气轮机热气体路径和燃烧组件证明知识。

我们提高燃气轮机的新零件使用专有的先进技术。部件的改进设计,基于这些OEM产品的广泛的维修记录,通过减少氧化,抗蠕变和金属温度延长使用寿命。

Frame 7FA.03 - 1st, 2nd, 3rd Stage Buckets

7FA.03第一阶段桶设计优势:
•后缘的底切,以减轻后缘冷却孔开裂
•冷却平台,平台的决心烧伤和开裂(报废领先第一阶段桶的原因)
• Improved cooling distribution to reduce peak metal temperature
•专有定向凝固合金和热障涂层(TBC)系统,以提供改进的抗蠕变和氧化寿命
7FA.03第二阶段桶设计优势:
• Significant creep life improvement for the tip shroud
•刀齿被替换为磨料轨涂层
•专有的等轴合金和TBC系统,提供改进的抗蠕变和氧化寿命
•改进的圆角设计,以减少压力
7FA.03三期桶设计优势:
• Significant creep life improvement for the tip shroud
•刀齿被替换为磨料轨涂层
•专有等轴合金和chromide涂覆系统提供改进的抗蠕变和腐蚀寿命

框架7FA.03 - 喷嘴和导流罩

7FA.03 1级喷嘴设计优势:
• Full gas path TBC to improve oxidation life, reduce airfoil metal temperature, and reduce thermal gradients
•改进的翼型侧壁鱼片,提高抗裂性
7FA.03 2nd Stage Nozzle Design Advantages:
满气体路径TBC提供降低翼型金属温度和消除疲劳从外部铝涂层借记
•改进的翼型侧壁鱼片,提高抗裂性
• Proprietary alloy improves creep, oxidation life, and maintains ability to weld repair
• Inner diaphragm material changed to 310SS for improved oxidation over Ni-Resist; more operator friendly during repair weld schemes
7FA.03第三级喷嘴设计优势:
• Inner diaphragm material changed to 310SS for improved oxidation over Ni-Resist; more operator friendly during repair weld schemes
7FA.03第一阶段护罩块优点:
•市售310不锈钢合金的制造
•护罩块鞋子从专有镍合金制
•护罩瓦片涂覆有专利涂层特别配制以提供耐久性与耐磨性用于与所述第一级动叶改进的顶隙控制
7FA.03第二阶段护罩块优点:
• Made of commercially-available Haynes 120 (AMS 5916)
7FA.03 3rd Stage Shroud Block Advantages:
•市售310不锈钢合金的制造

框架7FA.03 - 燃烧配件

7FA.03 Transition Pieces Design Advantages:
•改进冲击冷却空气和硬面涂层
• Proprietary gas path TBC for demonstrated improvement in oxidation life
7FA.03燃烧流动套管设计优势:
•304不锈钢合金,其消除腐蚀和点与碳钢零件相关联并提高氧化静物
7FA.03 Liner Cap Assembly Pieces Design Advantages:
• TBC coated effusion plate to improve component life
7FA.03燃烧衬垫片的设计优势:
Proprietary gas path TBC for demonstrated improvement in oxidation life
•改进的氧化寿命专有外墙涂料系统

框架7FA.03 - 压缩机设备

R0压气机叶片
The R0 blade has been redesigned to address ongoing field issues with this component. The design is made from a higher strength alloy with superior corrosion and cavitation erosion resistance. Design enhancements include:
燕尾底切,化合物圆角半径过渡,以及翼型调谐,以提供优异的叶片的设计寿命。
S0 – S4 Compressor Vane Assemblies
该S0 - S4压缩机定子叶片已经被重新设计,以应对现有的现场问题。设计的改进包括:所述短叶片承载件的在非腐蚀性的合金的制造中,为了易于除去的叶片载体释放槽,消除垫片,弯曲鸣声提示,以减少泄漏和非均匀S0和S1叶片间距,以减轻R0和R1振动响应。
S5 - S17,出口导叶(EGV)定子叶片
The design for all compressor vanes have arched (radius) bases to conform to the compressor case. This radius base configuration provides less wear on the components. We increased the widths of the vane platforms at the horizontal joint. These vane platforms will be machined during the outage to fit the case, negating the need for shims.

我们也可以执行58biwei .

Read our case study on7FA 2nd Stage Blades在我们的燃气轮机部件寿命延长诊所。

See all our燃气轮机服务提供。

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