J9九游会AG

新闻资讯

  • 通风机的发展历史、故障及维修

    2022-03-04 14:00:58

    通(tong)风(feng)(feng)机已有悠(you)久的(de)(de)历史。2000多年前,古巴比(bi)伦(lun)、中(zhong)国(guo)、波斯(si)等国(guo)就(jiu)已利用(yong)古老(lao)的(de)(de)风(feng)(feng)车提(ti)水灌溉、碾磨谷物。   1862年英(ying)国(guo)的(de)(de)圭贝尔发明(ming)离(li)心通(tong)风(feng)(feng)机,其叶轮(lun)、机壳(qiao)为(wei)同心圆型(xing),机壳(qiao)用(yong)砖制(zhi)(zhi),木制(zhi)(zhi)叶轮(lun)采用(yong)后(hou)向直(zhi)叶片,效率(lv)仅为(wei)40%左右(you),主要用(yong)于矿山通(tong)风(feng)(feng)。   1880年,人们设计出(chu)用(yong)于矿井排送风(feng)(feng)的(de)(de)蜗形机壳(qiao),和后(hou)向弯曲叶片的(de)(de)离(li)心通(tong)风(feng)(feng)机,结构(gou)已比(bi)较完善了。   1892年法国(guo)研制(zhi)(zhi)成横...

  • 通风机的分类分别有哪些

    2022-03-03 14:14:14

    气(qi)流(liu)方向(xiang)   (1)离(li)心(xin)(xin)式通(tong)(tong)风(feng)(feng)机(ji)(ji) 离(li)心(xin)(xin)通(tong)(tong)风(feng)(feng)机(ji)(ji)是(shi)现代(dai)社会出(chu)(chu)现的一(yi)种以(yi)动(dong)(dong)力(li)(li)(li)机(ji)(ji)(主(zhu)要(yao)是(shi)电动(dong)(dong)机(ji)(ji))驱动(dong)(dong)叶(ye)(ye)(ye)轮在(zai)蜗(wo)形机(ji)(ji)壳内旋转,空气(qi)经吸气(qi)口从(cong)叶(ye)(ye)(ye)轮中心(xin)(xin)处(chu)吸入。由于叶(ye)(ye)(ye)片对(dui)气(qi)体的动(dong)(dong)力(li)(li)(li)作用,气(qi)体压(ya)力(li)(li)(li)和(he)速度得(de)以(yi)提高(gao),并在(zai)离(li) 心(xin)(xin)力(li)(li)(li)作用下沿着叶(ye)(ye)(ye)道甩向(xiang)机(ji)(ji)壳,从(cong)排气(qi)口排出(chu)(chu)。因(yin)气(qi)体在(zai)叶(ye)(ye)(ye)轮内的流(liu)动(dong)(dong)主(zhu)要(yao)是(shi)在(zai)径向(xiang)平面内,故又称径流(liu)通(tong)(tong)风(feng)(feng)机(ji)(ji)。 离(li)心(xin)(xin)通(tong)(tong)风(feng)(feng)机(ji)(ji)主(zhu)要(yao)由叶(ye)(ye)(ye)轮和(he)机(ji)(ji)壳组成,小型通(tong)(tong)风(feng)(feng)机(ji)(ji)的叶(ye)(ye)(ye)轮直接装在(zai)电动(dong)(dong)机(ji)(ji)上中、大型通(tong)(tong)风(feng)(feng)机(ji)(ji)通(tong)(tong)过联(lian)轴...

  • 各类通风机的应用场所及作用

    2022-03-02 15:17:42

    通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji)广泛地应(ying)用(yong)(yong)(yong)于(yu)各个工业部门,一般讲(jiang),离心(xin)式(shi)通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji)适用(yong)(yong)(yong)于(yu)小流(liu)量、高压力(li)(li)的(de)(de)场所,而(er)轴流(liu)式(shi)通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji)则常用(yong)(yong)(yong)于(yu)大流(liu)量、低压力(li)(li)的(de)(de)情况。   一、锅(guo)(guo)炉(lu)(lu)用(yong)(yong)(yong)通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji) 锅(guo)(guo)炉(lu)(lu)用(yong)(yong)(yong)通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji)根据锅(guo)(guo)炉(lu)(lu)的(de)(de)规格可选用(yong)(yong)(yong)离心(xin)式(shi)或(huo)轴流(liu)式(shi)。又按它的(de)(de)作用(yong)(yong)(yong)分为锅(guo)(guo)炉(lu)(lu)通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji)—向锅(guo)(guo)炉(lu)(lu)内(nei)(nei)输送空气;锅(guo)(guo)炉(lu)(lu)引风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji)—把锅(guo)(guo)炉(lu)(lu)内(nei)(nei)的(de)(de)烟气抽走。   二、通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)换气用(yong)(yong)(yong)通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji) 这类通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)机(ji)(ji)一般是(shi)供工厂及各种建筑物通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)换气及采暖通(tong)(tong)风(feng)(feng)(feng)(feng)(feng)(feng)(feng)用(yong)(yong)(yong),要(yao)(yao)求压力(li)(li)不高,但噪声要(yao)(yao)...

  • 工业离心风机是如何工作的,其原理是什么?

    2021-06-30 12:01:23

    离心(xin)(xin)风(feng)机(ji)常用(yong)(yong)于(yu)工业化工等行业,是(shi)必不可少的(de)设备,离心(xin)(xin)风(feng)机(ji)有着高(gao)速(su)转(zhuan)(zhuan)动(dong)的(de)叶(ye)轮,可以(yi)带动(dong)气体(ti)加速(su)。   离心(xin)(xin)风(feng)机(ji)是(shi)根据(ju)动(dong)能(neng)(neng)转(zhuan)(zhuan)换为势能(neng)(neng)的(de)原理,利用(yong)(yong)高(gao)速(su)旋转(zhuan)(zhuan)的(de)叶(ye)轮将(jiang)气体(ti)加速(su),然(ran)后(hou)减速(su)、改变(bian)流向(xiang)(xiang),使(shi)动(dong)能(neng)(neng)转(zhuan)(zhuan)换成(cheng)势能(neng)(neng)。在(zai)单级离心(xin)(xin)风(feng)机(ji)中(zhong),气体(ti)从轴(zhou)向(xiang)(xiang)进(jin)入(ru)叶(ye)轮,气体(ti)流经(jing)叶(ye)轮时改变(bian)成(cheng)径向(xiang)(xiang),然(ran)后(hou)进(jin)入(ru)扩(kuo)压器(qi)。   在(zai)扩(kuo)压器(qi)中(zhong),气体(ti)改变(bian)了流动(dong)方向(xiang)(xiang)并(bing)且(qie)管(guan)道断(duan)面(mian)面(mian)积增(zeng)大使(shi)气流减速(su),这(zhei)种减速(su)作用(yong)(yong)将(jiang)动(dong)能(neng)(neng)转(zhuan)(zhuan)换成(cheng)压力...

  • 常见的几种排烟风机讲解

    2021-05-26 15:28:38

    风机(ji)(ji)广泛应用于(yu)民用建筑和(he)工业建筑中,是一(yi)种(zhong)利用旋(xuan)转叶片与气体(ti)的(de)相互作用来(lai)压缩与传送气体(ti)的(de)机(ji)(ji)械(xie)。 风机(ji)(ji)根据不同(tong)(tong)分(fen)类标(biao)准可以分(fen)为不同(tong)(tong)的(de)类别,下(xia)面就简单介绍一(yi)下(xia)防排(pai)烟系统(tong)中常见的(de)几种(zhong)风机(ji)(ji)。   离(li)心风机(ji)(ji) 气流从风机(ji)(ji)轴向(xiang)(xiang)入口(kou)吸入,经90°转弯(wan)进入叶轮中,叶轮叶片间隙中的(de)气体(ti)被(bei)带动旋(xuan)转而获得离(li)心力(li),气体(ti)由(you)(you)于(yu)离(li)心力(li)的(de)作用向(xiang)(xiang)机(ji)(ji)壳方向(xiang)(xiang)运(yun)动,并产生一(yi)定的(de)正压力(li),由(you)(you)蜗壳汇集切向(xiang)(xiang)引(yin)导至(zhi)排(pai)气口(kou)排(pai)出,叶轮中则(ze)由(you)(you)于(yu)...

  • 分享变频器在通风设备中的作用

    2021-05-22 14:29:17

    随着我国(guo)经济的快速发展和能(neng)(neng)(neng)源需求(qiu)(qiu)的不断(duan)增加,煤(mei)矿(kuang)开(kai)采(cai)规模不断(duan)扩大(da)。在(zai)煤(mei)矿(kuang)开(kai)采(cai)过(guo)(guo)程中(zhong)(zhong),也需要消耗大(da)量的能(neng)(neng)(neng)源,其中(zhong)(zhong)消耗最多的能(neng)(neng)(neng)源是(shi)电能(neng)(neng)(neng)。因(yin)(yin)此,这就要求(qiu)(qiu)煤(mei)矿(kuang)企业通(tong)过(guo)(guo)一(yi)(yi)(yi)定的节(jie)(jie)能(neng)(neng)(neng)手(shou)段,进(jin)一(yi)(yi)(yi)步降低开(kai)采(cai)作业能(neng)(neng)(neng)耗。通(tong)过(guo)(guo)使用变频器(qi)(qi)装置,可以(yi)达到很好的节(jie)(jie)能(neng)(neng)(neng)效果(guo),特(te)别是(shi)近年来,在(zai)煤(mei)矿(kuang)通(tong)风设(she)(she)备中(zhong)(zhong),通(tong)过(guo)(guo)使用变频器(qi)(qi)装置,取得了很好的节(jie)(jie)能(neng)(neng)(neng)效果(guo)。但在(zai)风机设(she)(she)备中(zhong)(zhong),变频装置的应(ying)用还存在(zai)一(yi)(yi)(yi)些问题(ti)。因(yin)(yin)此,需要进(jin)一(yi)(yi)(yi)步分析变频器(qi)(qi)在(zai)煤(mei)矿(kuang)风机设(she)(she)...

联系J9九游会AG