Kt series fans is a state key new product with advantages of compact size , light weight , low noise high efficiency and easy installation Kt系列离心通风机具有体积小、重量轻、噪声低，效率高、安装方便等特点，为国家重点新产品。
Kt series fans are widely used in air - conditioning system , air - purifying units and building ventilation applications . fb offer ideal solutions for coal , metal mine ventilation applications Kt系列离心通风机广泛应用于空调机组、空气净化除尘、建筑物通风等场所。 fb系列矿用防爆轴流通风机主要用于煤矿、金属矿山等地面主通风及井下局部通风。
Boiling drier , the other name is fluid bed , is composed of air filter , heater , main frame of boiling bed , star like feeder , cyclone separator , cloth bag dust catcher , high pressure centrifugal blower , and control board 沸腾干燥器，又称流化床，经过30多年的使用、改进，目前在制药、化工、食品、粮食加工等方面，越来越体现它的重要作用。它是由空气过滤器、沸腾床主机、旋风分离器、布袋除尘器、高压离心通风机、操作台组成。
In order to meet the requirements of domestic speedily developing air - conditioner , and purifying industries and reducing the noise pollution of fan , referred the mass of advanced sample fans of abroad , designed and turned out the dkw series low noise centrifugal fan successfully it is an energy - saving centrifugal fan , at present , this series has the lowest noise and the least vibrating at the domestic market , it has the advanced level of 90 ' s Dkw系列低噪声离心风机是我厂为适应我国日益发展的空调、净化工业及降低风机噪声污染，在参考国内外大量先进样机型离心通风机，该系列风机是具有噪声低，振动小、能耗低等特点，具有九十年代的先进水平。
In my study , i calculated the internal flow fluid of a centrifugal fan under different operating conditions . on the base of the important phenomena of the flow in the centrifugal fan , the conclusion provides important theoretical basis for analysising the factors which affect the efficiency of a centrifugal fan , and for instructing the design 本文对流体在一离心通风机内不同工况下的三维粘性流动情况进行了数值计算，分析了流体流速和压强的分布，旨在为进一步分析离心通风机效率的影响因素和优化设计提供理论依据。
In t his p aper r otating s tall a nd t he inlet v ortex in c entrifugal fans with inlet v ane control has been studied in laboratory . the harmonic wavelet is firstly used for time - frequency analysis and feature extraction of pulsation amplitude and frequency and development of rotating stall and inlet vortex . the development rule of rotating stall and inlet vortex and the effect to fans performance from the two has been found 文中对采用入口导流器调节的离心通风机的旋转失速和进口涡流问题进行了实验研究，并借助谐波小波对旋转失速和进口涡流的频率、幅值特性及动态过程进行了时频分析和特征提取，揭示了旋转失速和进口涡流发展的规律及二者对风机性能的影响。
Axial - flow ventilation fan is applicable to canging air ordissipating hear at such places as metal lurgical factory , steel rolling mill , chemical plant , refrigerating chamber , restaurant , grain depot , cultivating field , tunnel , storehousr , residence , ect . while removed the shell , it in the long echaust pipe with series connection method . the fan has complex structure , low noise , wide power selective range 72型离心通风机可作为工三及大型建筑的室内通风换气，还可作输入气体，输送空气或其它不自燃的对人体无害的，对钢铁材料无腐蚀性的气体，气体温度不得超过80 。
