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低负荷运行
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  low load operation
     Study on Security of Water Circulation under Low Load Operation of 300MW Boiler
     300MW锅炉机组低负荷运行水循环安全性研究
短句来源
     LOW LOAD OPERATION AND ECONOMIC ANALYSIS OF 125MW STEAM TURBINE
     125MW汽轮机组低负荷运行及经济性分析
短句来源
     Based on the actual conditions of unit's long-term low load operation in Guang 'an Power Plant, Sichuan Province, the operation mode of putting single side in duced and forced draft fans into operation under low load (≤55%ECR) has successfully been tried on the boiler of a 300MW unit, obtaining obvious economic benefits.
     四川广安发电有限责任公司根据机组长期低负荷运行的实际,在300 MW机组锅炉成功地尝试 了低负荷(≤55%ECR)工况下,运行单侧引、送风机的工作方式,取得了明显的经济效益。
短句来源
     The test mainly aims at the verification of water circulation reliability during peak shaving low load operation.
     试验目的主要是检验该炉在调峰低负荷运行时水循环的可靠性。
短句来源
     In order to see the security and the efficient performance of the boiler 40% low load operation fully, surface heat flux distribution laws on furnace wall and its influences to water circulation are studied, combined with water dynamical calculations and experiments done on this boiler.
     同时结合在该炉上进行的水动力循环计算和安全性试验,研究低负荷及额定负荷下的水冷壁壁面热负荷分布规律,及其对水循环的影响,以全面考察锅炉在40%低负荷运行时的安全性和经济性。
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  low loading operation
     The paper describes the low loading operation of model KDN-1000 nitrogen plant maintained by using external low pressure gas source due to the failure of the air compressor.
     介绍了因空压机故障采用外引低压气源维持KDN 1 0 0 0型制氮设备低负荷运行的情况。
短句来源
     During the test of the condenser vacuum of the power units in Phase 1 & 2,Beilun Power Plant in the summer,the problems of limited suck capability of the vacuum pump and affected vacuum improvement of the condenser in low loading operation have been found.
     在进行北仑电厂一、二期机组双背压凝汽器夏季真空测试的过程中,发现没有配置大气喷射器的二期机组,存在着因真空泵极限抽吸能力不足的问题,影响了低负荷运行阶段凝汽器真空的改善。
短句来源
  “低负荷运行”译为未确定词的双语例句
     6)after the continuous 12 hour operation under lower loading, arranging 4 hour operation under 80MW higher loading.
     (6) 在连续12小时低负荷运行后,间隔安排4小时80MW的高负荷运行。
短句来源
     Reseach on rear platen superheater' exceeding temperature to the 1025.7t/h boiler with lower loads
     1025.7t/h锅炉低负荷运行时后屏过热器超温原因分析与治理措施
短句来源
     Working condition analysis and operating guideline of ultra-low load operation of a 6000m~3/h reversing air separation unit
     切换式流程6000m~3/h空分设备超低负荷运行的工况分析和操作要点
短句来源
     Performance tests showed that the isobutene conversions are 100% and the normal butene conversions are higher than 15%, both reached the process design targets.
     装置高、低负荷运行的考核结果表明,异丁烯转化率为100%,正丁烯转化率大于15%,均达到了设计指标.
短句来源
     (2) Under low loading in aeration, when DO<1.0mgO2/L, the situation is in anoxic environment, the concentration of MLSS is lower, both the activity and flocculating-setting character of activated sludge are worse, the number of microbe is small, the disposing ratio is lower;
     (2) 曝气池在低负荷运行条件下,D0<1.0 mgO_2/L时,处于缺氧状态,MLSS较低,活性污泥的活性和絮凝沉淀特性较差,微生物数量最少,去除率偏低;
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  low load operation
A conventional diesel engine requires high compression ratios for starting and low load operation.
      
Fuel atomization can add flexibility in fuel choice and can improve low load operation.
      
It is commonly based on a circulating pump in stand-by mode to provide sufficient cooling flow during startup and low load operation only.
      
There also are losses associated with low load operation that will be discussed in greater detail under the Systems Operation section below.
      


This paper gives a quantitive research of the calculating method of fuel loss in startup under two-shift and motor operation patterns for domestic 200 MW units. The formulae for calculating fuel loss are given and some schemes are applied. The thermal stress and life expenditure of the steam turbine rotors in various starting conditions are given. The economics of 200 MW units under low-load operation modes is discussed in this article also. The cases suitable for the three load-peaking patterns ( e.g. two-shift,...

This paper gives a quantitive research of the calculating method of fuel loss in startup under two-shift and motor operation patterns for domestic 200 MW units. The formulae for calculating fuel loss are given and some schemes are applied. The thermal stress and life expenditure of the steam turbine rotors in various starting conditions are given. The economics of 200 MW units under low-load operation modes is discussed in this article also. The cases suitable for the three load-peaking patterns ( e.g. two-shift, motor and low-load ) are given by analysing and comparing their economics and safety.

本文对国产200MW汽轮机组两班制及少蒸汽运行方式的启停损失计算方法,进行了定量的研究,拟合了相应的计算公式,并计算了若干优化方案;对两班制及少蒸汽运行工况下的热应力和寿命消耗进行了若干方案的计算;对低负荷变工况运行的经济性也进行了分析和比较;从安全性和经济性的综合比较,得出了两班制、少蒸汽运行和低负荷运行三种调峰方式的合理适用范围。

Carbon-laydown occurs seriously in diesel engines on SCR electric drilling rigs during underload Performance, which affects the reliability and efficiency of the rigs. This paper lays Stress on the harmfulness and the causes of underload Performance and, taking Shengli No.4 Platform as an example, suggests four measures for improvement.

SCR电驱动钻机的柴油发电机组所使用的柴油机,在低负荷运行时结碳严重,直接影响钻机的可靠性和经济性。本文着重分析柴油机低负荷运行的危害和产生原因,针对胜利四号钻井平台的具体情况,提出了四条改进措施。

Since coming into opration, the practice of dry quenching technique for coke-ovens atBaoshan Iron and Steel Complex is described. A Summary is given regarding the problems aris-ing due to low loading at first step and their solutions. Furthermore, the specific prositionin advance bunker and control of combustive component in circling gas are worked out. Themajor measures for increasing vaporization rate and the power consumption respectively incre-ased are also discussed.

本文简介了宝钢干熄焦投产以来的运行操作实践及干熄焦技术的应用现状。小结了开工初期干熄焦低负荷运行时出现的问题及采取的措施,并对预存室料位管理和循环气体中可燃成分的控制制定了具体办法;还分析了干熄焦增加气化率的主要措施及相应出现的增加电耗问题。

 
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