再热器管壁温度,tube wall temperature of reheater,在线英语词典,英文翻译,专业英语

1) tube wall temperature of reheater

再热器管壁温度

2) reheat

再热

The selection of flue gas reheat methods in the wet flue gas desulfurization;

湿法烟气脱硫工艺中烟气再热方式的选择

In this paper,the causes of(gypsum) scale formation and equipment corrosion,and the problems of flue gas reheat and the oxidation of sulfite pertinent to(separation) of solid from liquid are analyzed.

本文对湿式石灰/石灰石FGD过程中的石膏结垢成因、设备腐蚀原因、烟气再热以及与液固分离等相关的亚硫酸盐的氧化等问题进行了分析,归纳对比了现行技术措施的优缺点。

3) reheat embrittlement

再热脆化

At temperature about 550 ℃,the weld coarse ccrystal region of HCM2S steel exist tendency of reheat embrittlement,however,the sensitive temperature range of reheat embrittlement is waiting to be further studied and determined.

HCM2S钢焊接粗晶区在550℃左右时,存在再热脆化倾向,再热脆化的敏感温度范围需进一步研究确定。

4) reheat crack

再热裂纹

So the crack is reheat crack,it can be .

通过扫描电镜、能谱仪及光学显微镜对裂纹产生原因进行了深入分析,认为该裂纹属高温形成的再热裂纹,可以通过改变预热、后热温度,提高焊接质量以降低应力集中等方法来防治。

The base metal 15CrMoG component and weldability,welding method,welding material,welding structure,technics parameter,welding process and heat treatment were analyzed,the improving welding measure was put forward,which effectively avoided reheat crack and the other welding defects of certain ship boiler pipe.

通过对15CrMoG钢母材成分及焊接性能、焊接方法、焊接材料、焊接结构、工艺参数、焊接操作和热处理的分析,提出了改进的焊接措施,有效地防止了某船锅炉管再热裂纹和其它焊接缺陷的产生。

After analyzing,the source of the welded joint fracture on the sealing structure of the reheater through the penthouse superheater in a 1025t/h boiler is reheat crack which is caused by high rigidity and high stress concentration of the welding joint,excessive welding energy input and heat stress existing in the joint when operating.

分析某发电厂1025 t/h锅炉再热器穿顶密封结构焊接接头的开裂源于再热裂纹,裂纹的产生原因在于:焊接接头高刚度、高应力集中,过大焊接线能量及接头在运行中存在热应力。

5) reheat cracking

再热裂纹

The susceptibility of HCM2S steel to reheat cracking has been studied by y-groove restraint weld cracking tests,which confirm the steel's susceptibility in the temperature range between 690(°C)～760(°C).

通过斜y型拘束焊接试验方法对HCM2S钢的再热裂纹敏感性进行了试验研究。

On the basis of the principles and structures of the cold cracking implant testing machine,the study on the implant equipment of reheat cracking test is reviewed in this paper.

在深入分析冷裂纹插销试验机的原理和结构的基础上,本文进行了插销式再热裂纹试验装置的研究工作。

6) reheater

再热器

Method of non-destructive inspection、analysis and structure improvement for welded joint fracture on the ceiling sealing structure of boiler reheater;

再热器顶棚密封焊缝开裂探伤方法、原因分析及结构改进措施

Study on high temperature steam corrosion of inner tube of superheater and reheater in boiler;

过热器和再热器管内壁的高温水蒸汽腐蚀研究

Analyses on tube failures of low temperature reheater of home made DG1025t/h boiler;

国产DG1025T／H锅炉低温再热器管爆管分析

参考词条

末端再热非再热烟气再热再热蒸汽再热冷段再热机组二次再热再热负荷再热温度再热量淡水鱼无碰撞寿命

补充资料：管壁温度计算

管壁温度计算
prediction of tube wall temperature

guonb一wendu!!suon管盛沮度计算(predietion of tube wall tem-perature)为保证锅炉工作的可靠性，锅炉所有受热管的金属温度必须低于它的安全极限。对受热面管壁温度进行核算是锅炉设计中的一项重要工作。豁要核算的管壁温度‘是指同一管组中热力、水力在最不利条件下的局部最高壁温。核算管壁温度的部位应是热负荷大、工质温度高和水力偏差大的地方，单独一个因素或某些因素配合都可能导致管壁温度达到危险值。受热管的强度计算要求确定受热管的管壁温度。随着金属温度升高，钢材的许用应力下降，因此，必须按允许的管壁温度条件来选用管材。进行强度计算时，管壁温度采用管子内外壁的平均温度。受热管允许使用的外壁温度限于管子外壁不致形成氧化皮。受热管管壁厚度上的平均壁温按下式计算: l古11tw一t+山d.，十产内m.:}，犷万下一下十于 \八尸节厂l“2受热管外壁温度按下式计算: f古21、_‘。W一‘一“‘二十产内m二(丁万干1十蔺)七上两式中t为管壁温度计算点处工质的平均温度，’C;山d。，为工质最高温度与平均温度的偏差值，℃;产为热~、.一山，_、.一_，.，_._.，_、二_d。_二_散漫系数;夕为管子外径与内径之比，夕一岑;占为管，”~“、~’尸“，“’阵J『J一~~’尸d，’一zJ目子壁厚，m;又为管壁金属导热系数，W八m·℃);。2为管壁对受热介质的换热系数，w/(mZ·C);如.:为热负荷最高的管子上吸热量最大处的热负荷，W/m2.

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

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1) tube wall temperature of reheater 再热器管壁温度 2) reheat 再热 1. The selection of flue gas reheat methods in the wet flue gas desulfurization; 湿法烟气脱硫工艺中烟气再热方式的选择 2. In this paper,the causes of(gypsum) scale formation and equipment corrosion,and the problems of flue gas reheat and the oxidation of sulfite pertinent to(separation) of solid from liquid are analyzed. 本文对湿式石灰/石灰石FGD过程中的石膏结垢成因、设备腐蚀原因、烟气再热以及与液固分离等相关的亚硫酸盐的氧化等问题进行了分析,归纳对比了现行技术措施的优缺点。 3) reheat embrittlement 再热脆化 1. At temperature about 550 ℃,the weld coarse ccrystal region of HCM2S steel exist tendency of reheat embrittlement,however,the sensitive temperature range of reheat embrittlement is waiting to be further studied and determined. HCM2S钢焊接粗晶区在550℃左右时,存在再热脆化倾向,再热脆化的敏感温度范围需进一步研究确定。 4) reheat crack 再热裂纹 1. So the crack is reheat crack,it can be . 通过扫描电镜、能谱仪及光学显微镜对裂纹产生原因进行了深入分析,认为该裂纹属高温形成的再热裂纹,可以通过改变预热、后热温度,提高焊接质量以降低应力集中等方法来防治。 2. The base metal 15CrMoG component and weldability,welding method,welding material,welding structure,technics parameter,welding process and heat treatment were analyzed,the improving welding measure was put forward,which effectively avoided reheat crack and the other welding defects of certain ship boiler pipe. 通过对15CrMoG钢母材成分及焊接性能、焊接方法、焊接材料、焊接结构、工艺参数、焊接操作和热处理的分析,提出了改进的焊接措施,有效地防止了某船锅炉管再热裂纹和其它焊接缺陷的产生。 3. After analyzing,the source of the welded joint fracture on the sealing structure of the reheater through the penthouse superheater in a 1025t/h boiler is reheat crack which is caused by high rigidity and high stress concentration of the welding joint,excessive welding energy input and heat stress existing in the joint when operating. 分析某发电厂1025 t/h锅炉再热器穿顶密封结构焊接接头的开裂源于再热裂纹,裂纹的产生原因在于:焊接接头高刚度、高应力集中,过大焊接线能量及接头在运行中存在热应力。 5) reheat cracking 再热裂纹 1. The susceptibility of HCM2S steel to reheat cracking has been studied by y-groove restraint weld cracking tests,which confirm the steel's susceptibility in the temperature range between 690(°C)～760(°C). 通过斜y型拘束焊接试验方法对HCM2S钢的再热裂纹敏感性进行了试验研究。 2. On the basis of the principles and structures of the cold cracking implant testing machine,the study on the implant equipment of reheat cracking test is reviewed in this paper. 在深入分析冷裂纹插销试验机的原理和结构的基础上,本文进行了插销式再热裂纹试验装置的研究工作。 6) reheater 再热器 1. Method of non-destructive inspection、analysis and structure improvement for welded joint fracture on the ceiling sealing structure of boiler reheater; 再热器顶棚密封焊缝开裂探伤方法、原因分析及结构改进措施 2. Study on high temperature steam corrosion of inner tube of superheater and reheater in boiler; 过热器和再热器管内壁的高温水蒸汽腐蚀研究 3. Analyses on tube failures of low temperature reheater of home made DG1025t/h boiler; 国产DG1025T／H锅炉低温再热器管爆管分析参考词条末端再热非再热烟气再热再热蒸汽再热冷段再热机组二次再热再热负荷再热温度再热量淡水鱼无碰撞寿命补充资料：管壁温度计算管壁温度计算 prediction of tube wall temperature guonb一wendu!!suon管盛沮度计算(predietion of tube wall tem-perature)为保证锅炉工作的可靠性，锅炉所有受热管的金属温度必须低于它的安全极限。对受热面管壁温度进行核算是锅炉设计中的一项重要工作。豁要核算的管壁温度‘是指同一管组中热力、水力在最不利条件下的局部最高壁温。核算管壁温度的部位应是热负荷大、工质温度高和水力偏差大的地方，单独一个因素或某些因素配合都可能导致管壁温度达到危险值。受热管的强度计算要求确定受热管的管壁温度。随着金属温度升高，钢材的许用应力下降，因此，必须按允许的管壁温度条件来选用管材。进行强度计算时，管壁温度采用管子内外壁的平均温度。受热管允许使用的外壁温度限于管子外壁不致形成氧化皮。受热管管壁厚度上的平均壁温按下式计算: l古11tw一t+山d.，十产内m.:}，犷万下一下十于 \八尸节厂l“2受热管外壁温度按下式计算: f古21、_‘。W一‘一“‘二十产内m二(丁万干1十蔺)七上两式中t为管壁温度计算点处工质的平均温度，’C;山d。，为工质最高温度与平均温度的偏差值，℃;产为热~、.一山，_、.一_，.，_._.，_、二_d。_二_散漫系数;夕为管子外径与内径之比，夕一岑;占为管，”~“、~’尸“，“’阵J『J一~~’尸d，’一zJ目子壁厚，m;又为管壁金属导热系数，W八m·℃);。2为管壁对受热介质的换热系数，w/(mZ·C);如.:为热负荷最高的管子上吸热量最大处的热负荷，W/m2. 说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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