一次风压力,primary air pressure
1)primary air pressure一次风压力
1.According to theprimary air pressure characteristics of the boiler with coal powder conveyed by vent air, and on the basis of synthesizing the advantages of fuzzy controller and PID controller,a Fuzzy?PID control system is proposed,which can effectively control theprimary air pressure.针对乏气送粉的锅炉一次风压力的对象特点 ,在综合模糊 (Fuzzy)控制器与PID控制器优点的基础上 ,提出了一种适用于控制锅炉一次风压力的Fuzzy PID复合控制系统。
2.This paper introduces control strategy ofprimary air pressure for 600 MW supercritical thermal power unit in Zhejiang Yueqing plant,analyzes the control process in various conditions,and optimizes the control strategy for the actual problems in special working conditions,such as starting or stopping mill normally,all kinds of RB.对浙能乐清电厂600 MW超临界燃煤机组一次风压力控制策略进行了优化和调整。
英文短句/例句
1.Strategy Optimization and Commission on Primary Air Pressure Control in Supercritical Thermal Power Unit600MW超临界机组的一次风压力控制优化及调整
2.Research on Relations of Furnace Windbox Pressure, Damper Position and Secondary Air Velocity炉膛风箱压力、风门开度和二次风速的关系研究
3.running a build-up进行一次压力恢复测试
4.the central area or place of lowest barometric pressure within a storm.在一次风暴中的中心区域或大气压力最小的区域。
5.High-voltage frequency-conversion renovation of 3~# ventilator of primary dust-collecting system of converter转炉一次除尘3~#风机高压变频改造
6.HIGH-VOLTAGE FREQUENCY-CONVERSION REFORMATION OF No.3 VENTILATOR OF PRIMARY DUST-COLLECTION SYSTEM OF CONVERTER转炉一次除尘3#风机高压变频改造
7.Her first job interview next week is hanging over Miss Wang"s head.（王小姐第一次工作面试给她一些压力。
8.The application of high voltage varying frequency speed adjustment on air blower of 600MW unit高压变频调速在600MW发电机组一次风机上的应用
9.The mast snapped off under the pressure of the wind.在风的压力下，桅杆喀嚓一声断了。
10.A Unified Model of CrediteMetris and Stress Test;CreditMetrics信用风险模型与压力测试的一体化
11.Voltage sag generator for wind power generation system一种用于风力发电的电压跌落发生器
12.EFFECTS OF ACUTE ENDURANCE EXERCISE AND LONG TERM ENDURANCE TRAINING ON BLOOD PRESSURE;一次性耐力运动和长期耐力训练对血压的影响
13.forced draft, forced draught压力通风,强制通风
14.This was a first experiment in Kennedy diplomacy under pressure.这是在压力下的肯尼迪外交受到的第一次考验。
15.Development of a Novel Voltage Sag Generator for Wind Power System一种新型风力发电用电压跌落发生器的研制
16.The tubes are individually connected in order to the tubes of a multiple maometer.这些总压管依次分别连接到一个多管压力计的各个管子上。
17.Application of HVC in primary air fan高压大功率变频调速装置在一次风机电机上的应用
18.Research on Relationship between Cinder Leakage and Static Pressure Distribution of Primary Chamber in CFB Boiler循环流化床锅炉一次风室漏渣与静压分布关系的研究
相关短句/例句
primary air pressure一次风压
1.As a result,the opening of inlet damper is so small that theprimary air pressure is too high and some pressure energy depletes during throttling with too much power consumption in pulverizing system.在中速磨煤机制粉系统运行中,普遍存在着靠磨煤机入口风量挡板调整磨煤机通风量的大小,使磨煤机入口风量挡板开度很小,造成一次风压过高,一次风机的部分压能损失在挡板节流上,浪费了制粉电耗,这是中速磨煤机制粉系统运行中的一个误区。
3)primary air ratio一次风率
1.The process of NO x formation is influenced by some factors,such as characteristics of fuel,surplus air ratio,primary air ratio,secondary air ratio,combustion temperature and so on,which is mainly discussed in this paper from the aspects of technology.简要分析了燃料燃烧过程中NOx 的生成机理 ,从陶瓷工艺角度着重讨论了燃料特性、过剩空气系数、一次风率、二次风率、燃烧温度以及烟气停留时间等若干因素对NOx 生成的影
2.In order to obtain optimum operation of boilers and then ensure timely ignition and completely burnout of pulverized coal, pulverized coal combustion processes in a 350MW boiler were numerically calculated under differentprimary air ratios and pulverized coal fineness.为了达到锅炉的优化运行以保证煤粉气流及时着火和充分燃尽,采用IPSA两相流动模型和煤粉燃烧综合模型,在不同的一次风率和煤粉细度的工况下,对1台350MW锅炉煤粉燃烧过程进行了数值模拟,得出了炉内燃烧器区域以及出口处烟气温度场和燃烧产物的组分浓度分布。
4)primary return air一次回风
5)primary fan一次风机
1.There are no existing design criteria forprimary fan and blower volume and pressure head design margins.华能玉环电厂是我国首台自主设计的1 000 MW超超临界机组工程,其一次风机和送风机风量和压头设计裕量没有现成的设计规范可遵循。
2.At present,transducedprimary fan was used widely in fossil-fuel power plant for energy saving.针对火电机组一次风机节能损耗,变频调速运行中出现的问题,对一次风机变频调速RB功能实现的难点进行了分析和必要的完善。
3.The failure of a singleprimary fan may cause the stoppage of the whole power generating set, but the addition of a ventilation door each in the cold and hot pipelines makes it possible for the singleprimary fan to run with the coal grinder while the whole power generating set is operating non-stop with considerable economic results.１台一次风机发生事故时，整台机组需停止运行。
6)heat wind热一次风
1.The output of pulverizer is raised by measures of changing segregator structure,heat wind data and flux,steel ball proportion.结合D-12-D型磨煤机的特点对磨煤机出力低的原因进行分析和探讨,通过改变分离器的结构、提高热一次风的参数和流量、改变钢球配比等措施,提高了磨煤机出力。
延伸阅读
风压力风压力wind pressurefengyali风压力(wind pressure)风作用在建筑物表面上的力。风受到地面上各种建筑物的阻碍，在建筑物迎风面产生一定的压力;由于建筑物一般是非流线型的，在背风面和侧面角隅区域附近会出现风吸力。这些压力和吸力，在建筑物表面的分布是不均匀的，其数值随建筑物的体型、面积、高度、风速、风向等情况而异。风力还具有静力和动力两部分共同作用的特点。对于水工建筑物大都可只考虑静风压力W，可按下式计算:体“Kl·K:·环几(公斤/米“)式中体。为基本风压(公斤/米2)，当地如有可靠乒键~二_._.、___俨______.、_、._、一，.__，卜._资料时，可按环几二-去一确定。V为设计风速脂距地面”一”一2g一‘一‘一’’.一---一’-10米处30年一遇的10分钟平均最大风速米/秒)。若无风速资料时，可参照各国的基本风压分布图决定;Kz为风压高度变化系数，其值与建筑物距离地面或常水位的高度H有关，由下表决定;K，为地形、地理条件风压高度变化系数人讼值表┌───┬───┬──┬───┬───┬───┐│H(米) │蕊0 .5│10 │20│30│40│├───┼───┼──┼───┼───┼───┤│Kz│0 .8 │1 .0│1。25 │1 .41 │l。54 │└───┴───┴──┴───┴───┴───┘┌───┬───┬───┬───┬───┬───┬───┐│H(米) │50│60│70│80│90│100│├───┼───┼───┼───┼───┼───┼───┤│尤2│1 .63 │1 .71 │1 .78 │1 .84 │1 .90 │1。95 │└───┴───┴───┴───┴───┴───┴───┘系数，一般地区为1.0，山间盆地、谷地为0.75一0.85，峪谷口、山口1.2一1.4，避风地点或城市区内为0.8，沿海海面及海岛为1.30一1.500在建筑物的角隅区域附近会出现较大的风吸力，因此，对角隅区域的构件本身应进行强度和连接强度的验算，以防止在强风压下遭到损坏。侧向风压力可按下式计算:环毛~Kz·凡·W0(公斤/米“)式中凡为局部加大的风吸系数，可采用凡一2.0u总风压力应乘以建筑物的迎风面积。对于高耸建筑物如闸门启闭机工作桥，排架式渡槽，输电线塔等在强风作用下会产生较大的振幅，甚至导致建筑物破坏。如建筑物自振周期越长，风力振动就越显著，则上面所求得的基本风压琳尚应乘以风振系数口，口值可根据建筑物结构类别及其自振周期进行计算，需要时可参考有关规范。
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