Plunger pump

A plunger pump and plunger technology, which is applied in the field of oil production and water injection equipment in oil fields, can solve problems such as the inability to meet the requirements of oil field water injection technology, and achieve the effects of reducing types of reserves, reducing impact and increasing service life.

Pending Publication Date: 2021-02-12
宝鸡航天动力泵业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of oil fields, the water injection volume and water injection pressure continue to increase. Conventional pumps can no longer meet the requirements of oilfield water injection process due to performance and cost reasons. The oil field market urgently needs a new type of plunger pump that can meet the requirements of water injection volume and water injection pressure. , and at the same time meet the requirements of energy saving and consumption reduction, comprehensively consider the user's later operating costs and maintenance operability

Method used

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Examples

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] Such as figure 1 , 2 As shown, the present invention provides a plunger pump, which includes a split frame and a hydraulic cylinder 13 installed on one side of the split frame, and multiple sets of mutually independent power systems are installed in the split frame; The power system includes a crank linkage mechanism, which is connected with a plunger combination mechanism 11 through a tappet 9, and a group of suction and discharge mechanisms matched with the plunger combination mechanism 11 are arranged at the end of the plunger combination mechanism 11...

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Abstract

The invention discloses a plunger pump. The plunger pump comprises a split rack and a hydraulic cylinder part installed at one side of the split rack, wherein multiple sets of independent power systems are installed in the split rack; each power system comprises a crank-connecting rod mechanism; each crank-connecting rod mechanism is connected with a plunger combination mechanism through a tappet;a group of suction and discharge valve assemblies matched with the plunger combination mechanism are arranged at the tail end of the plunger combination mechanism; and the suction and discharge valveassemblies are installed in a cavity of the hydraulic cylinder part, are located at the upper side and the lower side of the tail end of the plunger combination mechanism, and communicate with suction pipes and discharge pipes of the hydraulic cylinder part respectively. A sealed dust-proofing and engine oil emulsification preventing device is installed at a slideway port of the split rack, and when the tappet does linear reciprocating motion, dust, sand and other impurities in the environment cannot enter the rack along with the tappet, so that the reliability of lubricating oil is guaranteed, and the service life of the device is prolonged.

Description

technical field [0001] The invention relates to the field of oil production and water injection equipment in oilfields, in particular to a plunger pump. Background technique [0002] At present, with the continuous development and expansion of major oil fields, secondary oil recovery water injection technology is widely used. With the development of oil fields, the water injection volume and water injection pressure continue to increase. Conventional pumps can no longer meet the requirements of oilfield water injection process due to performance and cost reasons. The oil field market urgently needs a new type of plunger pump that can meet the requirements of water injection volume and water injection pressure. , and at the same time meet the requirements of energy saving and consumption reduction, and comprehensively consider the user's later operating costs and maintenance operability. Contents of the invention [0003] In view of the above defects or deficiencies, the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B9/117F04B53/10F04B53/22F04B53/00F16J15/3284
CPCF04B9/117F04B53/00F04B53/006F04B53/10F04B53/108F04B53/22F16J15/3284
Inventor 王超朱保民张碧莹李勇超冯菲娜朱鹏飞朱磊侯磊谭国政李志亮
Owner 宝鸡航天动力泵业有限公司
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