CN202545342U - 一种叶轮三流向结构配置的多级高扬程单吸潜水电泵 - Google Patents
一种叶轮三流向结构配置的多级高扬程单吸潜水电泵 Download PDFInfo
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- CN202545342U CN202545342U CN2012201828472U CN201220182847U CN202545342U CN 202545342 U CN202545342 U CN 202545342U CN 2012201828472 U CN2012201828472 U CN 2012201828472U CN 201220182847 U CN201220182847 U CN 201220182847U CN 202545342 U CN202545342 U CN 202545342U
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- 239000008400 supply water Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 210000000887 Face Anatomy 0.000 abstract 3
- 239000012530 fluid Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本实用新型提供一种叶轮三流向结构配置的多级高扬程单吸潜水电泵，属于潜水电泵的制造技术领域，该电泵按叶轮配置及流向分为下、中、上三段设计，分别为潜水电泵下段、潜水电泵中段和潜水电泵上段：所述潜水电泵下段即电泵进口端采用一级叶轮供水，该段叶轮吸口向下，该段叶轮出口直接由潜水电泵中段外流道向潜水电泵中段供水；所述潜水电泵中段叶轮级数为潜水电泵总级数的一半，该段叶轮吸口向上，该段叶轮每级之间由内流道传递水流，然后经长中段改变方向由潜水电泵中段外流道向潜水电泵上段供水；所述潜水电泵上段叶轮级数为潜水电泵总级数的一半减一，该段叶轮吸口向下，该段叶轮每级之间由内流道传递水流，然后经出水段、联结段排出。本实用新型采用O型密封圈密封，可有效解决多级高扬程单吸潜水电泵高压区的密封问题。
Description
一种叶轮三流向结构配置的多级高扬程单吸潜水电泵
技术领域
[0001] 本实用新型涉及一种潜水电泵，具体地说是一种叶轮三流向结构配置的多级高扬程单吸潜水电泵，可有效解决多级高扬程(特别600米以上)潜水电泵的高压端的密封问题。
背景技术
[0002]目前，煤矿井下所使用的矿用隔爆型高扬程潜水电泵均采用传统的典型结构（叶轮双流向配置)而设计制造的。无论在主泵房，还是抢险救灾用高扬程潜水电泵，在试验、使用过程中，经常出现潜水电泵高压端密封容易出现问题，造成密封垫圈在高压力下失效向外发生漏水，甚至多次反复拆装才能解决。
[0003] 随着我国国家经济建设的高速发展，对能源需求日趋增加，我国的主要能源煤的 采掘量也在增加，目前煤矿矿井深度在不断加大，大部分矿井在200米〜1200米之间。随着煤矿矿井高度的增加，煤矿井下使用潜水电泵的扬程越来越高，高扬程潜水电泵解决高压端密封问题成为当务之急。
发明内容
[0004] 本实用新型的技术任务是针对现有技术的不足，提供一种叶轮三流向结构配置的多级高扬程单吸潜水电泵，完全解决了电泵高压端的密封问题并大大延长了电泵的使用寿命O
[0005] 本实用新型解决其技术问题所采用的技术方案是：
[0006] 一种叶轮三流向结构配置的多级高扬程单吸潜水电泵，该电泵按叶轮配置及流向分为下、中、上三段设计，分别为潜水电泵下段、潜水电泵中段和潜水电泵上段，潜水电泵中段和潜水电泵上段之间设置有换向中段，潜水电泵上段的上方为出水段；
[0007] 所述潜水电泵下段即电泵进口端采用一级叶轮供水，该段叶轮吸口向下，从叶轮进口看，叶片为逆时针方向旋转，叶轮工作时产生的轴向力方向向下，该段叶轮出口直接由潜水电泵中段外流道向潜水电泵中段供水；
[0008] 所述潜水电泵中段叶轮级数为潜水电泵总级数的一半，该段叶轮吸口向上，从叶轮进口看，叶片为顺时针方向旋转，叶轮工作时产生的轴向力方向向上，该段叶轮每级之间由内流道传递水流，然后经长中段改变方向由潜水电泵中段外流道向潜水电泵上段供水；
[0009] 所述潜水电泵上段叶轮级数为潜水电泵总级数的一半减一，该段叶轮吸口向下，从叶轮进口看，叶片为逆时针方向旋转，叶轮工作时产生的轴向力方向向下，该段叶轮每级之间由内流道传递水流，然后经出水段、联结段排出。
[0010] 本实用新型的一种叶轮三流向结构配置的多级高扬程单吸潜水电泵与现有技术相比，所产生的有益效果是：
[0011] 本实用新型的叶轮三流向结构配置设计的多级高扬程单吸潜水电泵与传统典型结构设计的双流向多级高扬程单吸潜水电泵其叶轮配置及结构设计存在以下不同点：
[0012] I)从平衡轴向力的角度看，三流向和双流向两者基本相同。产生轴向力的方向的(向上和向下）叶轮级数都是相等的，只是位置不同。
[0013] 2)从潜水电泵上端高压区的水流位置看，三流向和双流向叶轮配置的结构设计两者完全不同。叶轮三流向结构配置设计的多级高扬程单吸潜水电泵其电泵上端高压区的水流是从各中段内流道经过的，是用O型密封圈密封的，其各中段外流道是没有水流和压力的。传统典型结构设计的双流向多级高扬程单吸潜水电泵其电泵上端高压区的水流是从各中段外流道经过的，是用橡胶石棉板制成的垫圈密封的。O型密封圈和橡胶石棉板制成的垫圈两者的密封效果是不同的，O型密封圈的密封压力是橡胶石棉板制成的垫圈的密封压力的10〜15倍。
[0014] 可见叶轮三流向结构配置设计的多级高扬程单吸潜水电泵其设计可有效解决多级高扬程单吸潜水电泵高压区的密封问题。
[0015] 附图说明
[0016] 附图I为本实用新型的叶轮三流向结构配置的多级高扬程单吸潜水电泵结构及水流方向不意图；
[0017]附图2为图I中换向中段的结构示意图；
[0018] 附图3为图I中出水段的结构示意图；
[0019] 图中，I、潜水电泵下段，1-1、叶轮出口，2、潜水电泵中段，2-1、外流道，2-2、内流道，2-3、外流道，3、潜水电泵上段，3-3、内流道，4、换向中段，5、出水段。
[0020] 附图4为传统典型结构的叶轮双流向结构配置的多级高扬程单吸潜水电泵及水流方向示意图。
具体实施方式
[0021] 下面结合附图对本实用新型的一种叶轮三流向结构配置的多级高扬程单吸潜水电泵作以下详细地说明。
[0022] 如附图I所示，本实用新型的一种叶轮三流向结构配置的多级高扬程单吸潜水电泵，该电泵按叶轮配置及流向分为下、中、上三段设计，分别为潜水电泵下段I、潜水电泵中段2和潜水电泵上段3，潜水电泵中段2和潜水电泵上段3之间设置有换向中段4，潜水电泵上段3的上方为出水段5。
[0023] 所述潜水电泵下段I即电泵进口端采用一级叶轮供水，该段叶轮吸口向下，从叶轮进口看，叶片为逆时针方向旋转，叶轮工作时产生的轴向力方向向下，该段叶轮出口 1-1直接由潜水电泵中段2的外流道2-1向潜水电泵中段2供水，水流在潜水电泵中段外流道2-1内形成低压区。
[0024] 所述潜水电泵中段2的叶轮级数为九级，该段叶轮吸口向上，从叶轮进口看，叶片为顺时针方向旋转，叶轮工作时产生的轴向力方向向上，该段叶轮每级之间由内流道2-2传递水流，然后经长中段改变方向由潜水电泵中段外流道2-3向潜水电泵上段3供水，水流在潜水电泵中段外流道2-3内形成中压区。
[0025] 所述潜水电泵上段3的叶轮级数为八级，该段叶轮吸口向下，从叶轮进口看，叶片为逆时针方向旋转，叶轮工作时产生的轴向力方向向下，该段叶轮每级之间由内流道3-3传递水流，然后经出水段5、联结段排出。
[0026] 如附图2所示，换向中段4是叶轮三流向结构配置的多级高扬程单吸潜水电泵的核心部件，是传统典型结构设计的双流向多级高扬程单吸潜水电泵所没有的，该部件巧妙实现了产品结构要求的水流换向。 [0027] 如附图3所示，出水段5是叶轮三流向结构配置的多级高扬程单吸潜水电泵的重要部件，是与传统典型结构设计的双流向多级高扬程单吸潜水电泵的出水段是不同的。
Claims (1)
1. 一种叶轮三流向结构配置的多级高扬程单吸潜水电泵，其特征在于，该电泵按叶轮配置及流向分为下、中、上三段设计，分别为潜水电泵下段、潜水电泵中段和潜水电泵上段，潜水电泵中段和潜水电泵上段之间设置有换向中段，潜水电泵上段的上方为出水段； 所述潜水电泵下段即电泵进口端采用一级叶轮供水，该段叶轮吸口向下，从叶轮进口看，叶片为逆时针方向旋转，叶轮工作时产生的轴向力方向向下，该段叶轮出口直接由潜水电泵中段外流道向潜水电泵中段供水； 所述潜水电泵中段叶轮级数为潜水电泵总级数的一半，该段叶轮吸口向上，从叶轮进口看，叶片为顺时针方向旋转，叶轮工作时产生的轴向力方向向上，该段叶轮每级之间由内流道传递水流，然后经长中段改变方向由潜水电泵中段外流道向潜水电泵上段供水； 所述潜水电泵上段叶轮级数为潜水电泵总级数的一半减一，该段叶轮吸口向下，从叶轮进口看，叶片为逆时针方向旋转，叶轮工作时产生的轴向力方向向下，该段叶轮每级之间由内流道传递水流，然后经出水段、联结段排出。
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| CN102705262B (zh) * | 2012-04-26 | 2015-08-12 | 山东星源矿山设备集团有限公司 | 一种叶轮三流向结构配置的多级高扬程单吸潜水电泵 |
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