The change of tube wall thickness during sinking is studied.

钢管空拉减径,伴随着管壁变化.

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Tube wall temperature decreasing and operation consumption reducing brought remarkable benefit.

降低了管壁温度和运行消耗,效益显著.

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Strut of cell of tube wall endodermis, appear hobnail kind dash forward to tubal antrum.

管壁内皮细胞肿胀, 似鞋钉样突向管腔.

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When tube wall strength can not bear inner steam pressure tube, blowout of temperature tube occurs.

当管壁强度无法承受管内蒸汽压力时, 导致低温过热器管爆裂.

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At present, the method for calculating the tube wall temperature in furnace chamber is not exact.

针对目前大型煤粉锅炉屏式过热器管壁温度计算不准确的问题, 提出了屏式过热器三维管壁温度计算方法.

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The said calculation formula is useful for accurate control of the final tube wall thickness tolerance.

该计算式对精确控制成品管壁厚精度具有实际意义.

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