main fan

Portable Data Collection System for Performance Test of Mining Main Fan Set

便携式矿井主通风机装置性能测定数据采集系统

Application of Emergency Shutdown System in Main Fan Unit for Catalytic Cracking Plant

紧急停车系统在催化裂化装置主风机组中的应用

Technological Transformation of the Main Fan Field Discs in the South Wing of Yungang Mine

云岗矿南翼主扇励磁盘的技术改造

Microcomputer Parallel Monitoring and Control System for Coal Mine Main Fan

煤矿主扇风机微机并行监控系统

By the practical test on main fan for coal mine, The testing plan, method and result analysis for testing fan using new technology under the on-line condition are introduced. Test features are summarized and the existing problems during the test are put forward.

通过煤矿主通风机装置的实际测试，介绍了在线条件下运用新技术测试风机的方案、测法和结果分析，总结了测试特点并提出了测试过程中应注意的问题。

Study on Key Technologies of Main Fan Switchover Based on Hot Standby in Coal Mine

基于热备用的煤矿通风机倒机关键技术研究

The function of the main fan in coal mine is to keep fresh air and reduce the concentration of gas.

煤矿主扇风机的主要功能是保证井下空气畅通新鲜，降低瓦斯浓度。

Manufacture and application of main fan wind pressure give an alarm panalarm

风扇、气泵或压缩机叶轮主通风机风压失常报警器研制和应用

The economic reasonableness of mine main fan ventilation and measures of saving power are expounded the.

阐述了矿井主扇通风的经济合理性及节约主扇电耗的措施.

Determine the technical performance of mine main fan by means of safe incremental choking method

测定矿井主扇技术性能的安全增阻法

Analysis about the Reliability of Mine Main Fan System Based on the Cold Standby and Repairable Model

基于冷储备可修模型的矿井主要通风机系统可靠性分析

At present, air door or baffle plate is popularly used as a method in determining the technical performance of main fan in underground mines, by which the optional operating point of the fan is adjusted through adjustment of flow.

在对矿井通风机技术性能测试时，目前普遍采用风门法和板阻法来调节风量，进而调节风机的工况点。

Technical Measurement Microcomputer Processing of Mine Main Fan

矿井主扇技术测定的微机处理方法

Company profits in 2008 year-on-year revenue growth, become main fan-megawatt class.

公司2008年收入利润 同比 大幅增长, 兆瓦级风机渐成主力.

Transforming Local Civil Air Defence Tunnel into Main Fan Performance Test System

局部开发人防坑道为主扇性能测试系统

Performance Test Application of Main Fan in Coal Mine

煤矿主通风机的性能测试及应用

Application of PLC in Chain Self-protection Control System of Main Fan Set

PLC在主风机组连锁自保控制系统中的应用

In this paper silicon rectifier applied in energy _ saving alternation of main fan in coalmine is introduced.

介绍串级调速技术在煤矿主通风机节能改造中的应用.

Application of Liquid Resistance Start-up Actiyator to Control Main Fan Energy-saving Running

可控液体电阻启动调速器与主扇的节能运转

An Intelligence Test System on the Air Flow of the Main Fan

主要通风机风量智能测试系统

The application of new techniques in the main fan of Nangang 180m~ 2 sintering plant

南（京）钢180m~2烧结主抽风机上新技术的应用

Important technical measurement links of main fan and concrete measurement method of technical parameters of main fan are introduced in this paper. A concrete analysis of measurement results is also made.

介绍了煤矿主通风机的技术测试的重要环节，以及主通风机技术参数的具体测试方法，同时对测试结果进行了具体分析。