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    PFR0812XHE
    发布者:aabb22  发布时间:2015-11-19 10:36:13  访问次数:113

    PFR0812XHE PFR0812XHE PFR0812XHE


    工业风扇代理销售:
    联系人:程经理
    固话:021-6131-6707手机:139188-64473
    固话:021-6131-8625手机:138177-31763
      QQ:937926739         QQ:937926739
    固话:021-6131-6707手机:139188-64473
    固话:021-6131-8625手机:138177-31763
      QQ:937926739        QQ:937926739
    ?
    风机性能参数
       风机的性能参数主要有流量、压力、功率,效率和转速。另外,噪声和振动的大小也是主要的风机设计指标。流量也称风量,以单位时间内流经风机的气体体积表示;压力也称风压,是指气体在风机内压力升高值,有静压、动压和全压之分;功率是指风机的输入功率,即轴功率。风机有效功率与轴功率之比称为效率。风机全压效率可达90%。
    风机的未来
      风机发展将进一步提高风机的气动效率、装置效率和使用效率,以降低电能消耗;用动叶可调的轴流风机代替大型离心风机;降低风机噪声;提高排烟、排尘风机叶轮和机壳的耐磨性;实现变转速调节和自动化调节。
    鼓风机有两大类,ysdzxcvb201605211一类是叫“离心式鼓风机”,它的原理是由于风机工作时里面的风机叶轮高速旋转,使风机壳里的空气产生离心力而被甩离风机叶轮,经过出风口被“压送”出风机;而此时由于风机叶轮周围的空气被甩出而产生“负压”,所以“新空气”便从进风口处被源源不断地补充进来,构成了风机的正常工作状态;第二类是叫“轴流风机”,它的工作原理是:由于这种风机和电风扇一样,其叶片的面和风机轴是有一个夹角的,在旋转时,叶片把空气顺轴向往出风口“推”,而在进风口处就形成了一定的负压,新空气也就被补充进来,这样也就保持了正常工作的状态。
    普通型轴流风机可用于一般工厂、仓库、办公室、住宅内等场所的通风换气,也可用于冷风机(空气冷却器)、蒸发器、冷凝器、喷雾降、等等,也有矿用轴流风机,
    防腐、防爆型轴流风机采用防腐材料及防爆措施,并匹配防爆电机,可用于输送易爆、易挥发、具有腐蚀性的气体,
    要求轴流风机输送的气体应无显著灰尘,无粘性和纤维物质;电动机直连型温度不超过40℃,皮带传动型温度不超过60℃。输送气体的粉尘量不得超过150mg/m3,
    轴流风机主要由叶轮、机壳、电动机等零部件组成,支架采用型钢与机壳风筒连接。其中防腐型轴流风机叶轮、机壳均为玻璃钢制成,其它型式轴流风机一般采用钢板制成。
    工作原理风机的叶轮由数十片叶片组成,它类似庞大的气轮机的叶轮。叶轮叶片中间的空气受到了离心力的作用,向叶轮的边缘运动,在那里空气进入泵体环行空腔,重新从叶片的起点以同样的方式再进行循环。叶轮旋转所产生的循环气流,
      以极高的能量离开气泵以供使用。风机采用专用电机,结构紧凑,体积小,重量轻,噪音低,送出气源无水无油
    当叶轮旋转时,气体从进风口轴向进入叶轮,受到叶轮上叶片的推挤而使气体的能量升高,然后流入导叶。导叶将偏转气流变为轴向流动,同时将气体导入扩压管,进一步将气体动能转换为压力能,最后引入工作管路。
    轴流式风机叶片的工作方式与飞机的机翼类似。但是,后者是将升力向上作用于机翼上并支撑飞机的重量,而轴流式风机则固定位置并使空气移动。AFB0748HH 70 x 70 x 25.4 MM SERIES AFB AFB0712L AFB0724L AFB0712M AFB0724M AFB0712H AFB0724H AFB0712HH AFB0724HH AFB0712VH AFB0724VH AFB0712SH 80 x 80 x 15 MM SERIES AFB AFB0812LB AFB0824LB AFB08 AFB08 AFB0812HB AFB0824HB AFB0812HHB AFB0824HHB AFB0812VHB AFB0824VHB AFB0812SHB AFB0824SHB 80 x 80 x 20 MM SERIES AFB0812LD AFB0824LD AFB0812MD AFB0824MD AFB0812HD AFB0824HD AFB0812HHD AFB0824HHD AFB0812VHD AFB0824VHD AFB0812SHD AFB0824SHD 80 x 80 x 25.4 MM SERIES AFB AFB0805L AFB0812L AFB0824L AFB0848L AFB0805M AFB0812M AFB0824M AFB0848M AFB0805H AFB0812H AFB0824H AFB0848H AFB0812HH AFB0824HH AFB0848HH AFB0812VH AFB0824VH AFB0812SH AFB0824SH 92 x 92 x 15 MM SERIES AFB AFB0912LB AFB0912MB AFB0912HB AFB0912HHB 92 x 92 x 20 MM SERIES AFB AFB0912LD AFB0924LD AFB0912MD AFB0924MD AFB0912HD AFB0924HD AFB0912HHD AFB0924HHD AFB0912VHD AFB0924VHD 92 x 92 x 25.4 MM SERIES AFB AFB0912L AFB0924L AFB0948L AFB0912M AFB0924M AFB0948M AFB0912H AFB0924H AFB0948H AFB0912HH AFB0924HH AFB0948HH AFB0912VH AFB0924VH 120 x 120 x 25.4 MM SERIES AFB1212L AFB1224L AFB1212M AFB1224M AFB1212H AFB1224H AFB1212HH AFB1224HH AFB1212VH AFB1224VH AFB1212SH AFB1224SH 120 x 120 x 38 MM SERIES AFB AFB1212LE AFB1224LE AFB1248LE AFB1212ME AFB1224ME AFB1248ME AFB1212HE AFB1224HE AFB1248HE AFB1212HHE AFB1224HHE AFB1248HHE AFB1212VHE AFB1224VHE AFB1248VHE AFB1212SHE AFB1224SHE 172 X 150 X 25.4 MM SERIES AFB AFB1512L AFB1512M AFB1512H AFB1524L 172 X 25.4 MM SERIES AFB AFB1712L AFB1712M AFB1712H AFB1724L PART NO. BFB系列 30 x 30 x 10 MM SERIES BFB BFB0305LA BFB0312LA BFB0305MA BFB0312MA BFB 0305HA BFB 0312HA BFB 0305HHA BFB B0312HHA 35 x 35 x 10 MM SERIES BFB BFB03505LA BFB 03512LA BFB03505MA BFB03512MA BFB 03505HA BFB 03512HA BFB 03505HHA BFB 03512HHA 40 x 40 x 10 MM SERIES BFB BFB0405LA BFB 0412LA BFB0405MA BFB0412MA BFB 0405HA 0412HA 0405HHA B0412HHA 42 x 45 x 19 MM SERIES BFB BFB0405LE BFB0412LE BFB0405ME BFB0412ME BFB0405HE BFB0412HE BFB0412HHE 45 x 45 x 10 MM SERIES BFB BFB04505LA BFB 04512LA BFB04505MA BFB04512MA BFB04505HA BFB 04512HA BFB 04505HHA BFB 04512HHA 50 x 50 x 10 MM SERIES BFB BFB0505LA BFB 0512LA BFB0505MA BFB0512MA BFB0505HA BFB 0512HA BFB 0512HHA 50 x 50 x 20 MM SERIES BFB BFB0512LD BFB0512MD BFB0512HD BFB0512HHD BFB0512VHD 51 x 51 x 15 MM SERIES BFB BFB0505L BFB0512L BFB0524L BFB0505M BFB0512M BFB0524M BFB0512H BFB0524H BFB0512HH BFB0524HH 60 x 60 x 15 MM SERIES BFB BFB0612MB BFB0612HB 75 x 75 x 30 MM SERIES BFB BFB0712L BFB0724L BFB0712M BFB0724M BFB0712H BFB0724H 97 x 94 x 33 MM SERIES BFB BFB1012L BFB1024L BFB1012M BFB1024M BFB1012H BFB1024H BFB1024HH 97 x 94 x 33 MM SERIES BFB BFB1012L BFB1012M 97 x 94 x 33 MM SERIES BFB BFB1012HH BFB1012VH BFB1012SH BFB1012EH 120 x 120 x 32 MM SERIES BFB BFB1212L BFB1224L BFB1212M BFB1224M BFB1212H BFB1224H BFB1212HH 120 x 120 x 32 MM SERIES BFB BFB1248L BFB1248M BFB1248H BFB1224HH BFB1248HH BFB1212VH BFB1224VH 125 x 126 x 34 MM SERIES BFB BFB1212LE BFB1224LE BFB1248LE BFB1212ME BFB1224ME BFB1248ME BFB1212HE BFB1224HE BFB1248HE BFB1212HHE BFB1224HHE 159 x 1 5 x 40 MM SERIES BFB BFB1612L BFB1624L BFB1612 M BFB1624M BFB1648M BFB1612H BFB1648L BFB1624H EFB系列 40 x 40 x 10 MM SERIES EFB EFB0405LA EFB0412LA EFB0405MA EFB0412MA EFB0405HA EFB0412HA EFB0405HHA EFB0412HHA EFB0412VHA 40 x 40 x 20 MM SERIES EFB EFB0612LA EFB0612MA EFB0612HA EFB0612HHA 80 x 80 x 15 MM SERIES EFB EFB0812LB EFB0824LB EFB0812MB EFB0824MB EFB0812HB EFB0824HB EFB0812HHB EFB0824HHB AFB02505LA AFB02505MA AFB0250512MA AFB02505HA AFB02505HHA AFB02512HHA AFB0305LA AFB0312LA AFB0305MA AFB032MA AFB0305HA AFB0312HA AFB03505LA AFB03505MA AFB03512MA AFB03505HA AFB0512HA AFB0405LB AFB0412LB AFB044LB AFB0405MB AFB0412MB AFB0424MB AFB0405HB AFB0412HB AFB0424HB AFB0424HB AFB0405HHB AFB0412HHB AFB0412VHB AFB0424HHB AFB0424VHB AFB0412SHB AFB0424SHB AFB04505LA AFB04512LA AFB0405MA AFB04512MA AFB04512HA AFB0508LB AFB0512LB AFB0524LB AFB0505MB AFB512MB AFB0524MB AFB0505HB AFB0512HB AFB0524HB AFB0512HHB

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