CN215805012U

CN215805012U - High-pressure combination valve

Info

Publication number: CN215805012U
Application number: CN202121797763.5U
Authority: CN
Inventors: 徐嘉斌; 张学鲁; 邹荣成
Original assignee: Xi'an Baode Intelligent Technology Co ltd
Current assignee: Xi'an Baode Intelligent Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-11
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to a high-pressure combination valve which comprises a water supply pump, wherein the water supply pump comprises a plurality of plunger pumps, each plunger pump is connected with a water inlet one-way valve and a water outlet one-way valve, and the plunger pumps are connected with a water inlet through a water inlet one-way valve and connected with a water outlet through a water outlet one-way valve. The utility model has the advantages of long service life and convenient maintenance.

Description

High-pressure combination valve

Technical Field

The utility model belongs to the field of booster water injection pumps, and relates to booster water injection of an oil field water injection well, in particular to a high-pressure combination valve for re-booster energy-saving water injection of the oil field water injection well, which is matched with a special plunger pump.

Background

In the oilfield water injection, the water inlet and outlet of a pump are provided with a one-way valve for water inlet and outlet, but the following defects exist:

1. the check valve is often integrated with the pump and is inconvenient to maintain.

2. The check valve is often made an organic whole with the pump, and ball valve switch needs auxiliary device such as join in marriage spring when the pump is placed horizontally, influences the life-span.

3. The traditional one-way valve is easy to damage after long-time use and short in service life.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model provides the multifunctional high-pressure combination valve which is long in service life and convenient to maintain.

The technical solution of the utility model is as follows: the utility model relates to a high-pressure combination valve, which is characterized in that: the high-pressure combination valve comprises a water supply pump, the water supply pump comprises a plurality of plunger pumps, each plunger pump is connected with one water inlet one-way valve and one water outlet one-way valve, and the plunger pumps are connected with a water inlet through the water inlet one-way valves and connected with a water outlet through the water outlet one-way valves.

Further, the plunger pump is a double number.

Furthermore, each water inlet check valve is connected with the same water inlet through a check valve water inlet pipe, and each two adjacent water outlet check valves are connected with one water outlet through a check valve water outlet pipe.

Furthermore, an inlet pressure detection device is arranged on a one-way valve water inlet pipe of the water inlet, and an outlet pressure detection device is arranged on a one-way valve water outlet pipe of the water outlet.

Furthermore, the inlet pressure detection device and the outlet pressure detection device are pressure detection meters, the pressure detection meters are pointer meters, analog digital display meters or meters in other forms, and meanwhile, the pressure detection meters can be matched with the pressure transmitter to output electric signals so as to be convenient for control.

The water inlet check valve and the water outlet check valve are spherical check valves.

Furthermore, the spherical one-way valve comprises a one-way valve shell, a sealing seat and a one-way valve upper cover, wherein the sealing seat is arranged at the lower part of the one-way valve shell, the one-way valve upper cover is arranged above the one-way valve shell, a movable valve ball is placed on the sealing seat, a one-way valve water inlet is arranged below the sealing seat, and a one-way valve water outlet is arranged on the one-way valve shell between the upper part of the valve ball and the one-way valve upper cover.

Furthermore, an anti-collision ring for limiting the valve ball to move freely is arranged above the valve ball, and the anti-collision ring is arranged below the upper cover of the one-way valve.

Furthermore, the anti-collision ring is made of flexible materials.

Furthermore, the seal seat is made of wear-resistant materials, and the contact surface of the seal seat and the valve ball is an arc surface.

The utility model provides a multifunctional high-pressure combination valve for oilfield water injection, which is different from the prior one-way valve in that: the check valve is separated from the water supply pump, and the check valve and the water supply pump do not need to be disassembled when the valve or the pump is maintained, so that the maintenance is convenient. No matter how the water supply pump is arranged, the one-way valve can be vertically arranged, and easily damaged parts such as springs and the like are not arranged in the one-way valve, so that the one-way valve has few fault points and longer service life. The check valve has the advantages that the valve ball is provided with the anti-collision ring, the sealing seat at the lower part is made of wear-resistant materials and is made into a cambered surface, so that the valve ball is not easy to damage, and the service life of the valve group is long. The combined valve is designed and processed by integrating one-way valves with the same principle, two or more valves are integrated, and the valves are communicated according to working conditions, so that the use requirement is met. And each one-way valve is designed with long service life. Therefore, the utility model has the following advantages:

1. the check valve is separated from the water supply pump, and is convenient to maintain.

2. No matter how the water supply pump is arranged, the one-way valve can be vertically arranged, and the service life is longer.

3. The utility model is not easy to damage and has long service life.

4. The utility model has various combination forms, and can have more combinations under the same principle.

Drawings

FIG. 1 is a schematic diagram of the present invention;

fig. 2 is a schematic structural view of the check valve of the present invention.

The reference numerals are explained below:

1. a water inlet pump; 2. a water inlet one-way valve; 3. a water outlet one-way valve; 4. a valve block; 5. a water inlet; 6. a water outlet; 7. an inlet pressure detection device; 8. an outlet pressure detection device; 9. a water outlet pipe of the one-way valve; 10. a one-way valve water inlet pipe; 11. a check valve housing; 12. a sealing seat; 13. a Versailles ball; 14. an anti-collision ring; 15. a one-way valve water inlet; 16. a water outlet of the one-way valve; 17. and (4) covering the one-way valve.

Detailed Description

The general aspects of the utility model will be described in further detail with reference to the following figures and specific examples:

referring to fig. 1, in the structure of the specific embodiment of the present invention, the water inlet pump 1 is composed of 4 plunger pumps, in practical application, the number of the plunger pumps may also be 2, 4, 6.. other double numbers, etc., wherein each plunger pump is connected with two check valves, namely a water inlet check valve 2 and a water outlet check valve 3, and regardless of the number of the check valves, the water inlets 5 of the water inlet check valves 2 connected to the water inlet pipes of the plunger pumps are all connected through the water inlet pipes 10 of the check valves; in this embodiment, there are 8 eight one-way valves, wherein there are 4 water inlet one-way valves 2 and 4 water outlet one-way valves 3, there are one water inlet 5 and two water outlets 6 in this embodiment, four water inlet one-way valves 2 are connected to one water inlet 5 in common, there are inlet pressure detecting devices 7 on the one-way valve water inlet pipe 10 where the water inlet one-way valve 2 is communicated with the water inlet 5, two adjacent water outlet one-way valves 3 are connected to one water outlet 6 through one-way valve water outlet pipe 9, that is, four water outlet one-way valves 3 are connected to two water outlets 6 through two one-way valve water outlet pipes 9, and there are outlet pressure detecting devices 8 on the one-way valve water outlet pipes 9 where the water outlet one-way valves 3 are communicated with the water outlets 6.

The utility model has multiple combination forms under the same structure principle, the embodiment only describes a combination mode and appearance, but is not limited to the mode, for example, 12 one-way valves can be matched with 6 plunger pumps, wherein 6 water inlet one-

way valves

2 and 6 water outlet one-

way valves

3, 6 water inlet one-way valves 2 are connected with one

water inlet

5, 6 water outlet one-way valves 3 are connected with three water outlets 6, an outlet pressure detection device 8 is connected with a one-way valve water outlet pipe 9 communicated with each water outlet 6, and the like.

Referring to fig. 2, the water inlet check valve 2 and the water outlet check valve 3 both adopt spherical check valves, each spherical check valve comprises a check valve housing 11, a seal seat 12 is arranged at the bottom of each check valve, a movable valve ball 13 is arranged on the seal seat 12, the valve ball 13 has corrosion resistance and collision resistance, a check valve water inlet 15 is arranged below the seal seat 12, an anti-collision ring 14 for limiting the random movement of the valve ball 13 is arranged above the valve ball 13, the anti-collision ring 14 is made of a flexible material, the anti-collision ring 14 has the function of preventing the valve ball 13 from being damaged by collision and has the function of limiting the valve ball 13, the anti-collision ring 14 is arranged below a check valve upper cover 17, the check valve upper cover 17 is fastened on the check valve housing 11 through sealing threads, and a check valve water outlet 16 can be arranged on one side or two sides of the position of the anti-collision ring 14 on the check valve housing 11. When water flows in from the water inlet 15 of the one-way valve, the valve ball 13 is jacked up, the valve ball 13 is contacted with the anti-collision ring 14, and the water flows out from the water outlet 16 of the one-way valve, namely the one-way valve is opened to feed water; when water flows in from the water outlet 16 of the one-way valve, the valve ball 13 is pressed into the sealing seat 12, the valve ball 13 is pressed into the contact surface of the sealing seat 12 to seal the water, and the one-way valve is closed. When the check valve needs to be overhauled: the check valve top cap 17 can be unscrewed and the anti-collision ring 14, the valve ball 13 and the sealing seat 12 can be serviced immediately.

The present invention and the technical contents not specifically described in the above embodiments are the same as the prior art.

The above embodiments are only specific embodiments disclosed in the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention disclosed in the present invention should be subject to the scope of the claims.

Claims

1. A high pressure combination valve characterized by: the high-pressure combination valve comprises a water supply pump, the water supply pump comprises a plurality of plunger pumps, each plunger pump is connected with one water inlet one-way valve and one water outlet one-way valve, and the plunger pumps are connected with a water inlet through the water inlet one-way valves and connected with a water outlet through the water outlet one-way valves.

2. The high pressure combination valve of claim 1, wherein: the plunger pump is a double number.

3. The high pressure combination valve of claim 2, wherein: each water inlet check valve is connected with the same water inlet through a check valve water inlet pipe, and every two adjacent water outlet check valves are connected with a water outlet through check valve water outlet pipes.

4. A high pressure combination valve as claimed in claim 3, wherein: and an inlet pressure detection device is arranged on the one-way valve water inlet pipe of the water inlet, and an outlet pressure detection device is arranged on the one-way valve water outlet pipe of the water outlet.

5. The high pressure combination valve of claim 4, wherein: and the inlet pressure detection device and the outlet pressure detection device are both pressure detection meters.

6. The high pressure combination valve of any one of claims 1 to 5, wherein: the water inlet check valve and the water outlet check valve are both spherical check valves.

7. The high pressure combination valve of claim 6, wherein: the spherical one-way valve comprises a one-way valve shell, a sealing seat and a one-way valve upper cover, wherein the sealing seat is arranged on the lower portion of the one-way valve shell, the one-way valve upper cover is arranged above the one-way valve shell, a movable valve ball is placed on the sealing seat, a one-way valve water inlet is formed in the lower portion of the sealing seat, and a one-way valve water outlet is formed in the one-way valve shell between the upper portion of the valve ball and the one-way valve upper cover.

8. The high pressure combination valve of claim 7, wherein: an anti-collision ring for limiting the valve ball to move freely is arranged above the valve ball, and the anti-collision ring is arranged below the upper cover of the one-way valve.

9. The high pressure combination valve of claim 8, wherein: the anti-collision ring is made of flexible materials.

10. The high pressure combination valve of claim 9, wherein: the seal seat is made of wear-resistant materials, and the contact surface of the seal seat and the valve ball is an arc surface.