CN2340946Y - 金属定子螺杆泵 - Google Patents

金属定子螺杆泵 Download PDF

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Publication number
CN2340946Y
CN2340946Y CN 98210990 CN98210990U CN2340946Y CN 2340946 Y CN2340946 Y CN 2340946Y CN 98210990 CN98210990 CN 98210990 CN 98210990 U CN98210990 U CN 98210990U CN 2340946 Y CN2340946 Y CN 2340946Y
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screw pump
stator
rotor
metal
nylon
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宋志超
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Abstract

本实用新型涉及机械采油的金属定子螺杆泵。解决了橡胶定子作内衬时,螺杆泵启动困难、工作效率低的问题。其特征在于:将定子3改为金属材质制品,转子1外壁挂一层尼龙6;金属材质的转子1可用尼龙材质制品替代。使得螺杆泵工作时不存在溶胀的问题,螺杆泵也不易损坏,节省资金。

Description

金属定子螺杆泵
本实用新型涉及机械采油领域所用的一种采油设备,属于金属定子螺杆泵。
目前,有些油田使用螺杆泵进行地面注入聚合物或者用于井下抽油,但螺杆泵的定子都是用橡胶做内衬,其转子是用金属制造的。由于橡胶制品对于气体、聚合物液体泡沫及石油的反应比较灵敏,因此当螺杆泵工作时,其定子有不同程度的溶胀(有时溶胀为负值),这样一来带来两个困难:一是溶胀过大,会造成扭矩过大,螺杆泵启动困难;二是溶胀过小,又会造成螺杆泵工作效率降低。况且橡胶还容易老化、脱胶等。从而将螺杆泵起出更换定子,造成资金浪费,影响生产。
本实用新型的目的在于克服上述现有技术的不足而提供一种无需更换定子而且提高螺杆泵工作效率的金属定子螺杆泵。
本实用新型的目的是这样实现的:该螺杆泵包括金属材质的转子、橡胶材质的定子、上下接头及定位销子,其特征是将定子改为金属材质制品,转子外壁挂一层尼龙。
上述的金属材质的转子可用尼龙材质制品替代。
本实用新型与现有技术相比具有如下优点和效果:由于螺杆泵的定子从橡胶材质改为金属材质制品,同时将转子外壁挂一层尼龙或完全用尼龙材质替代,从而使螺杆泵工作时不存在溶胀的问题,螺杆泵也不易损坏,节省资金。
附图1是本实用新型的结构剖视图;
下面结合附图将对本实用新型作进一步的说明:
该螺杆泵包括金属材质的转子1、橡胶材质的定子3、上下接头(2,5)及定位销子4,将定子3改为金属材质制品,转子1外壁挂一层尼龙6或将金属材质的转子1用尼龙材质制品替代。从而使螺杆泵工作时不存在溶胀的问题,螺杆泵也不易损坏,节省资金。
实际安装和使用与常规螺杆泵完全一样。

Claims (2)

1.一种涉及机械采油的金属定子螺杆泵,包括金属材质的转子(1)、橡胶材质的定子(3)、上下接头(2,5)及定位销子(4),其特征在于:将定子(3)改为金属材质制品,转子(1)外壁挂一层尼龙(6)。
2.根据权利要求1所述的金属定子螺杆泵,其特征在于:金属材质的转子(1)可用尼龙材质制品替代。
CN 98210990 1998-01-26 1998-01-26 金属定子螺杆泵 Expired - Lifetime CN2340946Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98210990 CN2340946Y (zh) 1998-01-26 1998-01-26 金属定子螺杆泵

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98210990 CN2340946Y (zh) 1998-01-26 1998-01-26 金属定子螺杆泵

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CN2340946Y true CN2340946Y (zh) 1999-09-29

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CN 98210990 Expired - Lifetime CN2340946Y (zh) 1998-01-26 1998-01-26 金属定子螺杆泵

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106415010A (zh) * 2014-01-28 2017-02-15 兵神装备株式会社 单轴偏心螺杆泵

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106415010A (zh) * 2014-01-28 2017-02-15 兵神装备株式会社 单轴偏心螺杆泵
CN106415010B (zh) * 2014-01-28 2018-12-04 兵神装备株式会社 单轴偏心螺杆泵

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