| 屏蔽泵的用于 |
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kailiang43 发表于 2013-3-16 15:17:00 |
屏蔽泵的叶轮高速运转时，从人口管吸进液体，大部分液体加压后从泵出口排出，少部分液体从泵壳下部进入空心轴，后半部分被和轴连在一起的高速运转的辅助叶轮再次吸入并加压供给转子腔、滑动部件、轴的监控设备后再返回到泵的出口端，一并随直接排出的大部分液体混合排出到泵出口管道。由于转动部位被液体包围，物料液体既是润滑剂又是冷却剂；无须动环密封，只有后部的静密封，使得完全无泄漏安全的运行成为可能。由于整个腔体内的物料再次加压，低温液化气体不会闪蒸，不会气液共存，泵的运行更加稳定可靠。
屏蔽泵最初用于输送爆炸性、有毒或易燃、易挥发液体，由于其高效的运输能力及无泄漏、不会爆炸等优点，在石化行业应用较广。随着技术的不断改进，特别是在允许安装高度上的降低，屏蔽泵输送液氯成为现实。
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| Re:在漫画中识别身边的违章 |
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baqsv(游客)发表评论于2017-2-20 16:43:18 |
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| Re:在漫画中识别身边的违章 |
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omegk(游客)发表评论于2017-2-18 15:10:41 |
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| Re:在漫画中识别身边的违章 |
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mlbvz(游客)发表评论于2016-10-23 14:55:58 |
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| Re:在漫画中识别身边的违章 |
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pejlp(游客)发表评论于2016-10-22 11:49:22 |
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| Re:在漫画中识别身边的违章 |
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bfkmq(游客)发表评论于2016-10-21 23:21:33 |
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| Re:在漫画中识别身边的违章 |
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qbrvy(游客)发表评论于2016-10-21 19:59:33 |
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| Re:在漫画中识别身边的违章 |
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nxnps(游客)发表评论于2016-10-21 14:16:57 |
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| Re:在漫画中识别身边的违章 |
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rvzdh(游客)发表评论于2016-10-21 2:33:14 |
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| Re:在漫画中识别身边的违章 |
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qoejm(游客)发表评论于2016-10-20 17:27:51 |
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| Re:在漫画中识别身边的违章 |
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puvzc(游客)发表评论于2016-10-20 17:16:12 |
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| 原创 |
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原创(游客)发表评论于2016-9-30 10:04:56 |
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| 原创 |
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原创(游客)发表评论于2016-9-28 15:31:14 |
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| 原创 |
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原创(游客)发表评论于2016-9-6 15:57:57 |
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