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division panel
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     3D Calculation of Wall Temperature for Division Panel Reheater of 330MW Boiler
     330MW旋流对冲锅炉分隔屏过热器三维壁温计算
短句来源
     An Analaysis on Tube Explosion in Division Panel for Power Station Boiler
     大型电站锅炉分隔屏过热器超温爆管原因的分析
短句来源
     Athree-dimension model of division panel reheater of 330MW rotation flow impact boiler is set up to calculate the temperature considering thermal and hydraulic deviation of division panel superheater. Analysis and comparison are conducted for temperature distribution under 7 conditions during boiler operation, and a appreciation on these is made.
     在考虑分隔屏过热器的热力偏差及水力偏差的基础上,对330MW旋流对冲锅炉分隔屏过热器进行三维壁温分布计算,对锅炉实际运行的7种工况进行了壁温分布的分析比较,并对其壁温状况进行了评价。
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     The Astrometry Division
     天体测量研究室
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     andersoni-Division; N.
     而梵鼠N .
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     An Analaysis on Tube Explosion in Division Panel for Power Station Boiler
     大型电站锅炉分隔屏过热器超温爆管原因的分析
短句来源
     3D Calculation of Wall Temperature for Division Panel Reheater of 330MW Boiler
     330MW旋流对冲锅炉分隔屏过热器三维壁温计算
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     Chinese display on the E-Panel
     在E-PANEL上显示中文字符
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Experimental studies on counter offsetting auxiliary airs and biasing superheater division panels to a 300 MW anti clockwise tangentinally fired utility boiler have been carried out by cold flow modeling and numerical simulation. Results show that a combustion technique by increasing upper half counter offsetting auxiliary airs progressively and biasing superheater division panels can eliminate gas imbalance and heat deviation, decrease slagging on furnace and reduce NOx emission effectively....

Experimental studies on counter offsetting auxiliary airs and biasing superheater division panels to a 300 MW anti clockwise tangentinally fired utility boiler have been carried out by cold flow modeling and numerical simulation. Results show that a combustion technique by increasing upper half counter offsetting auxiliary airs progressively and biasing superheater division panels can eliminate gas imbalance and heat deviation, decrease slagging on furnace and reduce NOx emission effectively. It's salient to prevent convection superheater and reheater overheated and tube bursting, and convenient to retrofit. Figs 10, table 1 and refs 5.

某300MW 逆时针切向布置燃烧器锅炉在不同二次风反切方式下分隔屏向左偏置一定角度时,炉膛、烟道气流流动特性模型试验和数值模拟的研究结果表明:燃烧器上半部分二次风递增反切分隔屏偏置一定角度的燃烧技术能显著改善烟道偏流现象,可防止过大热偏差引起高温对流受热面超温、爆管,同时能降低炉内燃烧器区域结渣程度、减少NOx 生成,且改造方便、效果明显。图10 表1 参5

In this paper, the distribution of left and right velocity deviation along the high direction of horizontal gas pass, behind pendant platen super heater of tangentially fired utility boiler were studied as the division panels were changed. The changed division panels operating modes were respectively biasing turned panels left 30°、45°、60°; all panels biasing right side and the combination biasing panels turned panels left at different angles. Research expressed that the...

In this paper, the distribution of left and right velocity deviation along the high direction of horizontal gas pass, behind pendant platen super heater of tangentially fired utility boiler were studied as the division panels were changed. The changed division panels operating modes were respectively biasing turned panels left 30°、45°、60°; all panels biasing right side and the combination biasing panels turned panels left at different angles. Research expressed that the left and right velocity deviation takes place mainly at the below half part of horizontal gas pass. The velocity deviation at the part was decreased in varying degrees in every operating mode of changing panels, and the decreased margins achieved 20%~50% contrasting the standard working operating mode.

试验研究了在改动前分隔屏的工况下 ,四角喷燃锅炉屏式过热器后 ,左右速度偏差沿水平烟道高度方向的分布特性 ,改动分隔屏的各工况分别为 :向左侧偏转 30°、45°、6 0°;全部偏置在右侧以及各个前屏向左侧偏转不同角度的组合式偏屏。研究表明 ,屏式过热器后左右速度的偏差主要集中在水平烟道的下半部区域。在改动屏的各工况中 ,均能使这一区域的速度偏差系数有不同程度的下降 ,与标准运行工况相比 ,下降幅度为 2 0 %~ 5 0 %。

An analysis in made on the basis of experimental data to find the causes of tube explosion in division panel of a power plant, and retrofitting measures are introduced to ensure safe operation of the power plant. Figs2, tables 2 and refs 2.

在试验数据的基础上 ,通过理论分析和编程计算 ,对某电厂分隔屏过热器超温爆管的原因进行了分析 ,并提出了相应的改进措施 ,以确保电厂安全运行。图 3表 2参 2

 
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