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Large-flow plunger pump

A technology of plunger pump and large flow, which is applied in the direction of pumps, components of pumping devices for elastic fluids, pump components, etc., which can solve the problems of high requirements for processing, installation and maintenance, and meet the requirements of multi-cylinder and multi-support, noise reduction, The effect of reducing the coefficient of friction

Active Publication Date: 2017-03-15
JINTUO PETROLEUM MACHINERY MANUFACTRING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Installing the righting tile also has the disadvantage of too high requirements for processing, installation and maintenance

Method used

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  • Large-flow plunger pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 , figure 2 , image 3 with Figure 5 , this embodiment makes a detailed description of the structure and principle of a large flow plunger pump of the present invention.

[0035]This embodiment provides a large flow plunger pump, including a box body 16, a crank linkage mechanism 7, a crosshead 17, plungers 2-7, a suction valve and a discharge valve; the crank linkage mechanism 7 pushes the The plunger 2-7 reciprocates; the slideway hole of the crosshead 17 includes a detachable crosshead upper slideway 1 and a crosshead slideway 1-3 on the box, and the detachable crosshead upper slideway 1 passes through The positioning pin 1-1 and the fixing bolt 1-2 are connected with the crosshead glideway 1-3; the plunger 2-7 is provided with a plunger packing lubrication system 2, and the plunger packing lubrication system 2 passes through multiple The point lubricating oil pump supplies oil to the plunger through the check valve 2-10 and the pressure sensor ...

Embodiment 2

[0040] Such as Figure 4 , Image 6 with Figure 7 , this embodiment is an embodiment further improved on the basis of Embodiment 1, and at the same time, further details of the present invention are made.

[0041] Such as Figure 4 In this embodiment, a large-flow plunger pump, the plunger 2-7 packing group includes a stuffing box 2-8, a front packing 2-2, a rear packing 2-4 and an oil ring 2-3, and the stuffing box 2 -8 is socketed outside the plunger 2-7, and the front guide sleeve 2-1, the front packing 2-2, the oil The ring 2-3, the rear filler 2-4, the rear guide sleeve 2-5 are finally connected between the plunger 2-7 and the stuffing box 2-8 through the compression nut 2-6 and The rear guide sleeve 2-5 is pressed tightly, and the oil pipe communicates with the oil ring 2-3 through the small hole K on the stuffing box 2-8.

[0042] When working, set the oil supply pressure Py of the high-pressure oil pump in the multi-point lubricating oil pump 2-9 = (1 / 3~2 / 3)P (P ...

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Abstract

The invention discloses a large-flow plunger pump which comprises a box body, a crank-link mechanism, a plunger, a suction valve and a discharge valve. According to the invention, components such as a detachable upper crosshead slideway, an intelligent plunger packing lubricating system, damping valves, crank supporting roller components and a suction stabilizer with a cooling water coil pipe therein are invented based on an original multi-cylinder plunger pump, and the service life and reliability of the large-flow plunger pump are integrally improved.

Description

technical field [0001] The invention relates to the technical field of motorized reciprocating pumps, in particular to a single-acting multi-cylinder high-flow plunger pump. Background technique [0002] Large-area combined water injection is a more economical and effective method in water injection recovery technology in oilfields. Combined water injection in a large area requires a large flow rate of the water injection pump (≧100m 3 / h). At present, a multi-stage centrifugal water injection pump is used. However, the efficiency of the multistage centrifugal water injection pump is low, and the energy waste is very large. Theoretical practice has fully proved that the large flow plunger pump is an ideal product to replace the inefficient centrifugal water injection pump. [0003] At present, the large flow plunger pump generally has a lot of noise - mainly the impact of the valve; the life of the plunger packing is short - mainly due to the rapid wear of the plunger pa...

Claims

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Application Information

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IPC IPC(8): F04B53/14F04B53/10F04B53/22F04B53/00F04B53/08
CPCF04B53/00F04B53/08F04B53/10F04B53/14F04B53/143F04B53/22F04B19/22F04B53/003F04B53/18
Inventor 马远志高清河
Owner JINTUO PETROLEUM MACHINERY MANUFACTRING CO LTD