英语释义

1. air admitted to the fuel stream or area ahead of the combustion zone in a burner or furnace

片语

Primary efficiency air filter空气过滤器

primary return air system一次回风系统

primary supply air system一次送风系统

primary combustion air初级燃烧空气

primary y air初级空气

primary air air一次风量

primary retirn air一次回风

英汉例句

• Through installing recirculation tube on the mill and shrinking the primary air pipe diameter, the percentage of cool Sir To combustor is reduced by 8. 12%.

  在增加磨煤机再循环风管的同时缩小一次风管径，使进入炉膛的冷风量减少了8.12%(总风量)。

• Based on the experimental result and flame stability theory, the possibility to obtain the optimum parameters of the burners are discussed under different primary air coefficient.

  在实验结果的基础上利用火焰稳定理论，论证了在不同一次空气系数时获得最佳燃烧器参数的可能性。

• The curve of relationship between flame speeds and the primary air ratio is got, and when primary air ratio is about 0.

  得出了二甲醚火焰传播速度与一次空气系数的关系曲线，并且在一次空气系数约为0。

• Using recirculation flow to heat the primary air and increasing the concentration of pulverized coal in primary air really do good to boiler flame stability.

  利用回流烟气加热一次风煤粉气流和提高一次风气流的煤粉浓度，都有利于锅炉燃烧的稳定。 开缝钝体燃烧器的设计综合考虑了回流加热和煤粉浓度局部富集。

• The mixture of coal powder and primary air belongs to typical gas-solid two-phase flow, whose parameter is difficult to detect.

  煤粉与一次风的混合物属于典型的气固两相流，其相关参数的检测难度很大。

• Presents the air conditioning design parameters in winter and summer, and explains the division of primary air system for the auditorium in shooting area and its calculation methods.

  介绍了该工程冬、夏季空调设计参数及射击区域观众席新风系统的划分和计算方法。

• The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.

  掌握煤粉锅炉一次风管中煤粉浓度的分布情况，对提高锅炉效率有很重要的意义。

• The effects of the louver structure parameters, the feed concentration and the primary air velocity on the concentrated ratio (RC) were studied by the gas solid two-phase flow experiments.

  通过气固两相流实验研究了浓缩比与百叶窗结构，给粉浓度及一次风速的定量关系。

• The effects of the plate spacing, approach velocity and the primary air temperature on evaporative cooler was predicted theoretically.

  通过计算表明，换热器通道间距、空气的迎面风速，以及一次风的干球温度的变化对换热器效率有很大的影响；

• When the primary air blast wave from the explosion strikes the ground another blast wave is produced by reflection.

  当爆炸引起的入射沖击波触及地面时，由于波的反射便产生另一沖击波。

• By using this method, winter process of primary air fan-coil system is more convenient to be determined and the performance of fan coil is more stable.

  该方法能方便确定风机盘管加新风系统冬季处理过程，并且冬夏季风机盘管运行更稳定合理。

• In this paper, a new supporting equipment of primary air pipein cooler is introduced , and the design principle, main features and application situation are discussed.

  介绍一种新型的冷却机主风管的支撑装置，针对设计原则、主要特点和使用情况进行了讨论。

• The calculating results denote that:1)The primary air rate is directly increasing with the increasing of fire pot diameter, but the influence of fire path diameter on it is very small;

  计算结果显示：1）一次风率随火盆直径增大而单调增加，但受火道直径的影响非常小；

• It is showed that being the interaction between primary air and upstream fluid, the shear eddy the the wake are formed on the two sides of the primary air respectively.

  结果表明，一次风射流由于与上游横向射流的相互作用，在背火侧形成尾迹涡，在向火侧形成剪切涡。

• The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained.

  采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟，得出喷嘴位置与一次空气系数的关系。

• When the entering temperature of the secondary air is lower than the dewpoint temperature of the primary air, there may be a dehumidifying cooling pro-cess in the primary air passages.

  当二次空气的入口温度低于一次空气的露点温度时，一次空气的冷却有可能是一去湿过程。

• Presents the air conditioning system and smoke exhaust system design of this project, applies the primary air fan coil system and secondary pump water system in the Top Electronics City.

  简要介绍了鼎好电子商城空调系统和防排烟系统的设计，商城采用了风机盘管加新风空调系统和二次泵空调水系统。

• In this paper the selection and optimum of operation of the pressure type cold primary air fan in large boiler were analyzed.

  分析了大型锅炉正压冷一次风机选型及运行优化要点，指出煤种和空预器漏风率是影响一次风机选型的主要因素。

• Pulverized coal concentration in primary air stream has an important effect on ignition and combustion stability.

  煤粉浓度对煤粉气流着火及燃烧稳定性的影响较大。

• Exhaust emission of vehicle engines is one of the primary air pollution sources.

  车用内燃机的废气排放是大气污染的主要污染源之一。

• It is shown that both the ignition and the combustion efficiency can be significantly improved and the ratio of primary air can be greatly increased.

  试验结果表明，钝体可显着改善劣质煤着火情况和大幅度提高燃烧效率，并可允许大幅度提高一次风率。

• The creditable measurement of pulverized coal concentration in primary air is the basis of combustion optimization and safe operation of utility boilers.

  一次风煤粉浓度的可靠测量是电站锅炉燃烧优化和安全经济运行的前提条件。

• The results illustrate that primary air ratio has a major effect on pulverized coal ignition and minor effects on gas temperature, oxygen concentration and unburned carbon at furnace exit.

  结果表明：一次风率对煤粉气流的着火影响较大，而对出口处烟气温度、氧量以及飞灰含碳量影响较小。

• Common processes of primary air fan-coil system are given in this paper. The disadvantage of winter process is pointed out.

  本文给出风机盘管加新风系统冬夏季常用处理过程，指出冬季处理过程确定困难的缺点。

• This increases the initial primary air fan size and reduces the forced draft fan sizes.

  这会增加一次风机的尺寸而减小从动风扇的尺寸。

• In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.

  在实验中，主要通过调整一次空气系数和引射器喷口的大小，达到稳定燃烧的运行工况。

• The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.

  测试结果表明，影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律，同时与炉膛内总风量、一二次风量的配比有关。