矿井主要通风机,mine main ventilator
1)mine main ventilator矿井主要通风机
英文短句/例句
1.Determination of Main Mine Fan Performance of a Number of Issues矿井主要通风机性能测定的几个问题
2.Design and Realization of Auto Switching System of Mine Main Ventilators Without Stop Ventilation矿井主要通风机不停风自动倒换系统设计实现
3.Structure optimization and experiment on diffuser of main mine fan矿井主要通风机扩散器结构优化及实验
work on Line Monitoring and Measuring of Mine Main Ventilator Based on PLC基于PLC的矿井主要通风机网络化在线监测
5.Howden Axialflow Main Ventilator in the Mine Ventilation ApplicationHowden轴流主要通风机在矿井通风中的应用
6.The analysis and research on the main mine ventilator system矿井主通风机系统改造的分析及研究
7.Performance analysis of the mine main fan based on MATALAB基于MATLAB的矿井主通风机性能分析
8.Monitoring system of coalmine main ventilator based on MCGS基于MCGS的矿井主通风机监控系统
9.Readjustment and handling on top chink of blade of axial flow fan using in well矿井轴流式主通风机叶片顶隙的调整与处理
10.11 Major Fan of Mine and Optimization of Ventilation Systems十一矿主要通风机改造及通风系统优化研究
11.Research and Appliation of Centralized Control System of Xifengjing Main Ventilated Machine in Zhuxian朱仙庄矿西风井主通风机集中监控系统的研究及应用
12.A study on the power supply scheme for mine"s main fan"s frequency converter speed regulating system矿井主通风机变频调速控制系统供电技术方案研究
13.The Application of the Variable Frequency Speed Control System in Bu Ertai Mine Main Fan变频调速控制系统在布尔台矿井主通风机的应用
14.The Research of Development of Computer Management System of Mining Ventilation;矿井通风计算机管理系统的改进研究
15.Design of Intelligent Control System of Mine Local Ventilator矿井局部通风机智能控制系统的设计
16.Application of High-efficiency Counter-rotating Local Fan in Mine Local Ventilation高效对旋局部通风机在矿井局部通风中的应用
17.The Technique Reconstruction About 2K-60 Main Fan Of Air Blower In Mine;矿井2K-60主扇风机的技术改造
18.supply with a brattice, to ventilate mines.装上矿井通风用的风幛。
相关短句/例句
mine main fan矿井主通风机
1.Outstanding check of performance curve model formine main fan;矿井主通风机性能曲线模型的显著性检验
3)mine fan矿井通风机
1.Design on reasoning engine ofmine fan fault diagnosis expert system;矿井通风机故障诊断系统推理引擎设计
2.On-line monitoring system formine fans矿井通风机在线监测系统研究
4)mine ventilator矿井通风机
1.Fault diagnosis ofmine ventilator base on multi sensor information integration;基于多传感器信息融合的矿井通风机故障诊断
2.On the basis of least square and law of similarity of ventilator, the dimensionless performance curve equations ofmine ventilator by operating data are fitted and the characteristic curve equation of mine ventilating network according to its characteristic factors is constructed.本文运用最小二乘法和通风机的相似定律,用实测数据拟合了矿井通风机无因次性能曲线方程;根据矿井风道网路的通风特性,构建矿井通风网络的特性曲线方程,然后用弦截法计算矿井通风机运行工况点,从而建立通风机计算机选型设计数学模型。
3.For a weakness of themine ventilator selecting system on the internet during the usage of customers and the imperfect of the ventilation house plan,the developing technology depending on the object-oriented design technology and the parametric drawing technology based on CAD ActiveX Automation technology have been adopted.针对目前基于Internet的矿井通风机选型系统在用户使用方面便捷性不足和通风机房设备布置图的不完善,采用了面向对象开发技术和基于CAD ActiveX Automation技术的参数化绘图技术,通过对这2个技术在完善系统中的研究,实现了用户选型相关信息的自动存取和通风机房设备布置CAD图的自动绘制和网上实现,经在线试用证明能有效地满足用户的功能需求。
5)main fan主要通风机
1.Running-state monitor for minemain fan;主要通风机运转监测报警器
2.According to the spot need of fan performance measuring and based on the comprehension and possession of predecessor" research findings in software and hardware of mine fan performance measuring system,a more innovative system of minemain fan performance measuring is developed.根据风机性能测定的现场需要,在充分了解和掌握前人在矿井主要通风机性能测定系统软硬件研究成果的基础上,开发了一套比较新颖的矿井主要通风机性能测定系统,该系统完全实现了矿井主要通风机性能测定中所有参数的自动采集和计算,上位机能动态显示各测定和计算参数、绘出风机性能特性曲线、保存测定数据。
6)main ventilator主要通风机
1.Research on safety and economic operation ofmain ventilator for mine reconstruction;改扩建矿井主要通风机安全经济运行研究
2.Study on safety technical parameters formain ventilator of west ventilating shaft in linsheng coal mine;林胜西风井主要通风机安全技术参数研究
3.Application ofmain ventilator noise control technology;矿井主要通风机噪声治理技术应用
延伸阅读
高山地区矿井通风高山地区矿井通风mine ventilation in high elevation areagaoshan diqu kuangjing tongfeng高山地区矿井通风(mine ventilation in highelevation area)向海拔千米以上地区的矿井通人新鲜空气的过程。空气温度、大气压力随着海拔高度而变化。海拔每上升100m，气温下降约0.65C，气压下降约0.93325kPa。不同海拔的气温、大气压力可按下式计算:th~t。一月△H/100 P卜~P，一a△H/100式中t、、P。分别为在海拔高度为H米处的气温，C和气压，kPa;ta、P。为附近气象台站的年平均气温，C和年平均气压，kPa;△H为海拔高度为H处与附近气象台站间的高度差，m;口为气温梯度，夕一。，5一0.7C/10om;a为气压梯度，a~6一8(0.799932一1 .066576)kPa/100rn。随着海拔高度的增加，空气重率则降低。即y一y0(1一H/443。。)5256。式中孔为标准状态下的空气重率，kg/m3。空气重率的降低引起通风风阻、通风阻力、扇风机的全压以及扇风机电机输人功率下降，但风量保持恒定，因此，扇风机效率不随海拔高度变化。以上参数可按下式计算:R一KrR。;h二Krho;H一KrH、Q=Q。;N=K:N。;7=夕。，式中R。、h。、H。。、Q。、N。、军。为标准状态下的风阻、阻力、全压、风量、功率和效率;R、h、H、Q、N、7为海拔高度为H处的风阻、阻力、全压、风量、功率和效率。、r一哥一(‘一H/“300，525弓式中K，为高程校正系数。因此，在通风设计时，不需要进行高程校正，高山矿井扇风机在实际运转时，其风量不变，风压降低，其值为设计风压乘以高程校正系数K二。 (赵梓成)
