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Thereby the stable temperature field is analyzed by using the finite element method, and the mean temperature, temperature difference between the inwall and outer wall of the tube sheet and cylinder are worked out, which is taken as the heat load for an analysis of the stress field.

为此, 运用有限元法对稳态温度场作了计算,求得管板、筒体等部件的平均温度、内外壁温差,并将这些参数作为应力场分析的热载荷;将废热锅炉离散为由板壳元和杆单元组成的空间结构,对自重、压力、温度组合的4 种工况进行计算,得到管板、筒体等部件的应力场分布规律。

Seamless pipe Stock perennial about 6 -7 kiloton, specifications range, standing structure, transmission fluid, and the boiler tube.

常年库存无缝管6 -7千吨左右,规格品种齐全,常备结构用、输送流体用、锅炉用管。

So a new program for calculating the normal three-dimensional temperature of superheater is considered.

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。

For the sake of decreasing the use of steel and not to lower its strength,the wall of the syphon becomes thinner.

随着大容量、高参数锅炉的发展,受热面结构更加紧凑,要求弯管半径更小,为了减少钢材的消耗,又不降低强度,要求弯管壁厚减薄率更小。

The mechanical expanded joint method is usually used in rehabilitating furnace pipe and big pipe board of waste heat boiler.

废热锅炉是合成氨装置的重要设备之一,其炉管与大管板焊缝受高温高压及介质腐蚀,运行一年后会产生裂纹,影响装置的正常运行。

Basing on failure mode and mechanism analysis of power plant boiler tubes, the author built the failure models and estimated their remaining life; and then, with the theory of fault diagnosis and other relatable theories, the author established the condition-based maintenance system.

本文通过对电站四管失效方式和机理的分析,建立失效模型,估算出管道剩余寿命;结合故障诊断等相关理论,对于锅炉四管状态检修系统的建立进行了研究。

This article introduces the structure, principle, advantage and application effect of DJM annular tube waste heat boiler

介绍DJM型套管锅炉结构、原理,相对热管锅炉的优越性及使用效果。

By applying water heat medium technolog y and finned tube conduction instrument,CO waste heat boiler had rebuilt.

利用水热媒技术,采用翅片管传热件,对CO废热锅炉进行了节能改造,运行证明,改造后锅炉的蒸汽过热能力、热效率明显提高,烟气全部回收,说明此次改造十分成功,具有良好的推广应用价

The main applications are oil or gas transfer pipe; pipe for oil well bushing; transfer pipe for medium or low pressure water, gas, oil; pipe used in the structure of low and medium pressure boiler、engine boiler heat exchanger and condenser; pipe for construction、iron tower、frame structure、tubular pile、stanchion and other structures; pipe for mechanic、engine、automobile、apparatus and other mechanical accessories.

产品主要用途:石油天然气工业中输送油、气,水;油井套管;输送中、低压水、煤气,油;低压和中压锅炉及机车锅炉、换热器,冷凝器结构中;土木建筑、铁塔、网架、管桩、支柱及其它结构;机械、机车、汽车、器具,其它机械零件。

Tangentially fired boilers have been widely employed in China as power producer, while there have fairly a lot of problem left unsolved, including gas deviation that may trigger tube leakage for superheaters and reheaters or cause accident. There are also concerns on slagging and pollutant esp. Nitrogen oxides.

四角切向燃烧锅炉在我国的应用极为广泛,但是仍然存在着许多尚须完善的地方,如炉膛出口的烟气偏差常常会导致对流过热器、再热器的超温爆管;此外四角切向燃烧锅炉的运行中还存在着污染排放高,易结渣的问题。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。