CN104179651A - 一种浸没式抽水设备 - Google Patents

一种浸没式抽水设备 Download PDF

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CN104179651A
CN104179651A CN201410364260.7A CN201410364260A CN104179651A CN 104179651 A CN104179651 A CN 104179651A CN 201410364260 A CN201410364260 A CN 201410364260A CN 104179651 A CN104179651 A CN 104179651A
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water outlet
screw
pumping equipment
immersion type
pump
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CN104179651B (zh
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陆俊芳
马巧根
周长根
候潇寒
张薇华
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GP Enterprises Co Ltd
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SUZHOU TONGLI ELECTRIC Co Ltd
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Abstract

本发明涉及一种浸没式抽水设备,包括壳体、螺杆,螺杆轴通过传动机构联接第一电机,出水道的入水段具有鼓形腔室,鼓形腔室内安装有受第二电机驱动的叶轮,螺杆轴后端的壳体上设置有调压腔,螺杆轴后端插入该调压腔内,调压腔与螺杆轴的间隙处嵌入有密封填料,螺杆腔体的上部沿周壁开设环形槽,环形槽与调压腔通之间通过管路连通。一方面,本发明在螺杆泵的出水口设置有叶轮式水泵,通过叶轮式水泵的工作,降低了螺杆泵出水口处的压力;另一方面,将螺杆泵前端的水压引入至螺杆轴的后端,将螺杆轴向上推,来对抗螺杆所受到的强大的后坐力。两方面结合,降低螺杆轴所受对的反作用力,从而降低轴承的载荷,降低轴承的磨损,延长潜水泵的使用寿命。

Description

一种浸没式抽水设备
技术领域
本发明涉及一种抽水设备,特别是一种浸没式抽水设备。 
背景技术
潜水泵是是深井提水的重要设备,被广泛的使用于工农业。
一般来讲,根据排水原理可将水泵分为:一、叶轮式泵,如:离心泵、混流泵、轴流泵等、旋流泵;二、容积泵,如:柱塞泵、齿轮泵、螺杆泵、叶片泵等;三、其他类型,如:射流泵、水锤泵等。
螺杆泵属于容积泵,扬程高单流量少,特别适合与疏松粘稠液体。当螺杆高速旋转时,后端轴承受到较大压力,加速磨损,同时也限制了螺杆泵的转速。轴承所受压力主要来自于螺杆的反作用力,而对于一台螺杆潜水泵而言,该反作用力主要由转速和出口端压力决定。当需要高转速时,理想的解决办法是降低出口端的压力来实现。然而,面对大扬程的需求,降低出口端压力成为了难题。
发明内容
本发明的目的在于:克服上述现有技术的缺陷,提出一种浸没式抽水设备。
为了达到上述目的,本发明提出的浸没式抽水设备,包括具有螺杆腔体的壳体,设置于螺杆腔体内的一组螺杆,所述螺杆下端连接有进水道,上端连接有出水道,螺杆轴前后两端由轴承支撑,螺杆轴通过传动机构联接第一电机,其特征在于:所述出水道的入水段具有鼓形腔室,鼓形腔室内安装有受第二电机驱动的叶轮,鼓形腔室的入水口呈水平放置,鼓形腔室出水口呈竖直放置,所述螺杆轴后端的壳体上设置有调压腔,所述螺杆轴后端插入该调压腔内,调压腔与螺杆轴的间隙处嵌入有密封填料,所述螺杆腔体的上部沿周壁开设环形槽,所述环形槽与调压腔通之间通过管路连通。
本发明浸没式抽水设备,进一步的改进在于:
1、所述出水道的入水段呈喇叭形,进水侧口小,出水侧口大。
2、所述叶轮为具有7个叶片。
3、与所述鼓形腔室出水口相连的出水道与水平面的夹角为70-90°。
4、所述进水道的内壁具有螺旋形结构。
5、与鼓形腔室相连的出水道具有螺旋形结构。
6、所述管路上设置有缓冲腔室,所述缓冲腔室的体积不低于调压腔总体积的10倍。
7、所述缓冲腔室靠近环形槽一端设置。
一方面,本发明在螺杆泵的出水口设置有叶轮式水泵,通过叶轮式水泵的工作,一定程度上降低了螺杆泵出水口处的压力;另一方面,本发明将螺杆泵前端的水压引入至螺杆轴的后端,将螺杆轴向上推,来对抗螺杆所受到的强大的后坐力。两方面结合,降低螺杆轴所受对的反作用力,从而降低轴承的载荷,降低轴承的磨损,延长潜水泵的使用寿命,以及为进一步提高螺杆泵转速提供了保障。
本发明在螺杆泵的进水到和出水道都进行螺旋形处理,使进入水流更规整,降低阻力,提高抽水效率。出水口设计成喇叭口形状,能够进一步降低出水端的压力。靠近环形槽一端设置缓冲腔室能够降低环形槽输出水流的高速抖动,确保调压腔内具备较稳定的压强,杜绝轴承抖动的发生。
附图说明
下面结合附图对本发明作进一步的说明。
图1是本发明浸没式抽水设备结构示意图。
图中标号示意如下:
1-螺杆潜水泵,2-壳体,3-螺杆,4-进水道,5-出水道,6-螺杆轴,7-轴承,8-传动机构,9-第一电机,11-鼓形腔室,12-叶轮,15-调压腔,16-管路,17-缓冲腔室,18-环形槽。
具体实施方式
下面结合附图和具体实施例对本发明做进一步说明。
如图1所示,为本发明浸没式抽水设备,包括具有螺杆腔体1的壳体2,设置于螺杆腔体内1的一组螺杆3,螺杆3下端连接有进水道4,上端连接有出水道5,进水道4的内壁具有螺旋形结构,螺杆轴6前后两端由轴承7支撑,螺杆轴6通过传动机构8联接第一电机9,出水道5的入水段具有鼓形腔室11,与鼓形腔室11相连的出水道5也具有螺旋形结构,鼓形腔室11内安装有叶轮12,叶轮12为具有7个叶片。鼓形腔室11的入水口呈水平放置,鼓形腔室11出水口呈竖直放置。螺杆轴6后端的壳体上设置有调压腔15,螺杆轴6后端插入该调压腔内15,调压腔15与螺杆轴6的间隙处嵌入有密封填料,螺杆腔体1的上部沿周壁开设环形槽18,环形槽18与调压腔15通之间通过管路16连通,管路16上靠近环形槽18一端设置有缓冲腔室17,缓冲腔室17的体积不为调压腔15总体积的10倍。
如图1所示,出水道5的入水段呈喇叭形,进水侧口小,出水侧口大。
除上述实施例外,本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案,均落在本发明要求的保护范围。

Claims (8)

1.一种浸没式抽水设备,包括具有螺杆腔体的壳体,设置于螺杆腔体内的一组螺杆,所述螺杆下端连接有进水道,上端连接有出水道,螺杆轴前后两端由轴承支撑,螺杆轴通过传动机构联接第一电机,其特征在于:所述出水道的入水段具有鼓形腔室,鼓形腔室内安装有受第二电机驱动的叶轮,鼓形腔室的入水口呈水平放置,鼓形腔室出水口呈竖直放置,所述螺杆轴后端的壳体上设置有调压腔,所述螺杆轴后端插入该调压腔内,调压腔与螺杆轴的间隙处嵌入有密封填料,所述螺杆腔体的上部沿周壁开设环形槽,所述环形槽与调压腔通之间通过管路连通。
2.根据权利要求1所述的浸没式抽水设备,其特征在于:所述出水道的入水段呈喇叭形,进水侧口小,出水侧口大。
3.根据权利要求1所述的浸没式抽水设备,其特征在于:所述叶轮为具有7个叶片。
4.根据权利要求1所述的浸没式抽水设备,其特征在于:与所述鼓形腔室出水口相连的出水道与水平面的夹角为70-90°。
5.根据权利要求1所述的浸没式抽水设备,其特征在于:所述进水道的内壁具有螺旋形结构。
6.根据权利要求1所述的浸没式抽水设备,其特征在于:与鼓形腔室相连的出水道具有螺旋形结构。
7.根据权利要求1所述的浸没式抽水设备,其特征在于:所述管路上设置有缓冲腔室,所述缓冲腔室的体积不低于调压腔总体积的10倍。
8.根据权利要求1所述的浸没式抽水设备,其特征在于:所述缓冲腔室靠近环形槽一端设置。
CN201410364260.7A 2014-07-29 一种浸没式抽水设备 Active CN104179651B (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107142892A (zh) * 2017-06-21 2017-09-08 何水明 一种水利装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439121A (en) * 1982-03-02 1984-03-27 Dunham-Bush, Inc. Self-cleaning single loop mist type lubrication system for screw compressors
EP0297464A2 (en) * 1987-06-25 1989-01-04 A. Ahlstrom Corporation Method and apparatus for pumping high consistency fiber suspension
CN201747556U (zh) * 2010-03-04 2011-02-16 张俊军 离心螺杆式制冷压缩机
CN103671007A (zh) * 2013-12-04 2014-03-26 黄山工业泵制造有限公司 一种容积离心泵

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439121A (en) * 1982-03-02 1984-03-27 Dunham-Bush, Inc. Self-cleaning single loop mist type lubrication system for screw compressors
EP0297464A2 (en) * 1987-06-25 1989-01-04 A. Ahlstrom Corporation Method and apparatus for pumping high consistency fiber suspension
CN201747556U (zh) * 2010-03-04 2011-02-16 张俊军 离心螺杆式制冷压缩机
CN103671007A (zh) * 2013-12-04 2014-03-26 黄山工业泵制造有限公司 一种容积离心泵

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107142892A (zh) * 2017-06-21 2017-09-08 何水明 一种水利装置

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