超临界和超超临界机组在技术上已经比较成熟，而且新一代超临界和超超临界机组的技术进步十分明显。
...坛|能源BBS 关键词：超超临界锅炉；低NO 燃烧；垂直管圈；金属材料；启动系统 [gap=335]Key words：ultra supercritical boiler；low NOx combustion；vertical water wall；metal material；start-up system ..
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分析了我国超临界和超超临界锅炉采用的新型煤粉燃烧技术。
This article analyzes the new type pulverized coal combustion technology adopted in the indigenous supercritical pressure boiler.
介绍我国首台百万等级超超临界锅炉节流管圈的焊接难点，通过工艺试验，开发了新的焊接工艺，解决了该技术难题。
Throttle coil weld technology of Yuhuan 1000MW ultra supercritical boiler is solved by technology test and development of new weld technology.
以T／P91钢为代表的新型细晶强韧型铁素体耐热钢及以TP347H为代表奥氏体不锈钢等超超临界机组锅炉用钢，已经不断被开发和应用。
As the representation of these kinds of steel, T/P91 of new grade boiler steel and TP347H of stainless steel have been developed and applied.
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