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  • 二肖中特图: 罗茨真空泵

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    发表于 2018-5-31 18:00:13 | 只看该作者 |只看大图 回帖奖励 |倒序浏览 |阅读模式

    罗茨真空泵的特点:启动快,耗功少,运转维护费用低,抽速大、效率高,对被抽气体中所含的少量水蒸汽和灰尘不敏感,在100~1帕压力范围内有较大抽气速率,能迅速排除突然放出的气体。这个压力范围恰好处于油封式机械真空泵与扩散泵之间。因此,它常被串联在扩散泵与油封式机械真空泵之间,用来提高中间压力范围的抽气量。这时它又称为机械增压泵。
    罗茨真空泵广泛用于真空冶金中的冶炼、脱气、轧制,以及化工、食品、医药工业中的真空蒸馏、真空浓缩和真空干燥等方面。真空泵配件为用于真空泵噪声治理的,真空泵消音器。

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  • 2015环球文娱大数据指数发布 尤小刚炮轰小鲜肉影响艺术创作深度—在线播放—《2015环球文娱大数据指数发布 尤小刚炮轰小鲜肉影响艺术创作深度》—娱乐—优酷网,视频高清在线观看 2019-03-08
  • 药酒-热门标签-华商生活 2019-03-02
  • 信心持续攀升预期比较乐观 2019-02-27
  • 收费高航企标准不同 机票退改签乱象怎么破? 2019-02-27
  • 广西壮族自治区党委政研室一行到访杭州城研中心 2019-02-26
  • 中国才是当今世界最大的民主国家 2019-02-22
  • 把市场经济说成计划经济是不是痴呆病? 2019-02-01
  • 回复@真理论者:你天天在强坛攻击爱因斯坦是不是劳动?创造价值么?负价值也! 2019-01-26