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挑选罗茨真空机组注意哪些事项

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挑选罗茨真空机组注意哪些事项

发布日期:2019-12-06 10:35 来源:http://houstongram.com 点击:

罗茨真空机组.jpg

  XUANZELUOCIBENGYUQIANBENGDEBENGSONGBISHIZUCHENGLUOCIZHENKONGJIZUDEGUANJIAN。YOUYULUOCIZHENKONGJIZUDEYASUOBIFEICHANGYOUXIAN。ZHEIGEYASUOBIJUEDINGLEQIANBENGDERONGLIANG,YINWEIYASUOBISHIBENGSUDEDAOSHU。YIBANYASUOBIXUANZEZAI2~10ZHIJIAN。HAIYINGKAOLVDAOYUCHOUYOUDEYAOQIU。ZHENKONGSHEBEISHIGEZHONGJIXIESHEBEIDEFUZHUSHEBEI。RUGUOZHENGCHANGYUNXINGSHIJIANYUANYUANDAYUYUCHOUZHENKONGSHIJIAN,KEYIXUANZEJIAOXIAODEYUCHOUZHENKONG(YASUOBIKEYIJIAODA),RUGUOZHENKONGDUJIAODA。YOUSHIWEILEGENGHAODEFAHUISHEBEIDEXIAOLV,JIZUPEIBEILEJIAODADEYUBENG,ZAIZHENGCHANGYUNXINGHOUJIANGQITINGZHI,BINGSHIYONGJIAOXIAODEYUBENGJINXINGWEIHU,YIJIEYUEDIANNENG。

  罗茨真空机组的极限压力的要求,还需要考虑初真空泵的选择,最终的真空要求较高(1×10-3pa ~ 1×10-2pa压力)一般选择双级旋转油封机械泵或双级滑动燕机械泵作为前期泵。所需的极限真空度(1×10-2pa ~1×10-1pa)可选择单级油封机械泵作为前泵,所需的极限真空度133~1333pa可选择往复真空泵或液环真空泵作为前泵。

  DANGXUANZEWANGFUHUOYUANYOUYEHUANSHIZHENKONGBENGHEQIANMIANYIYANGGENZHENKONGBENG,BENGDECHOUSUTONGCHANGSHIGENZHENKONGBENG1/2-1/4MIANQIAN,BUYAOTAIDA,FOUZEHUISHIYASUOBIGUODA,DAOZHIGENZHENKONGBENGPAIQIWENDUGAO,BUNENGZHENGCHANGGONGZUO。YOUBIYAOKAOLVCHOUYUNDEQITIZHONGSHIFOUYOUFUSHIXINGJIEZHI,SHIFOUYOUKELENGNINGQITI,SHIFOUHAIYOUDALIANGDEHENLIANG。RUHANYOUFUSHIXINGQITI。BUNENGXUANZEMIFENGJIXIEYOUBENG,YOUFENGJIXIEBENGBUSHIHEBENGCHUHANYOUDALIANGDEKEYASUODESHUIZHENGQIQITI,JIANGFENGBIYERUHUAHENKUAIFOUZE,DANGQITIYICHUBAOHANGENZONGKEYASUODEQI,YOUBIYAOSHIYONGYOUFENGJIXIEBENGBAOHANQIZHENRENWEIGUANGFANXING、BENGSHEBEI。

  为了在较低的进口压力(1-100pa)下获得较高的提取率,可以将一台罗茨真空泵作为由另一台罗茨真空泵的第一级泵组成的第三级或第四级装置使用。此时,罗茨真空机组的抽提率一般在2 ~ 5之间。


相关标签:罗茨真空机组

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