CN217712844U

CN217712844U - Reciprocating oil-gas mixed transportation pump for conveying high-gas content

Info

Publication number: CN217712844U
Application number: CN202221374820.3U
Authority: CN
Inventors: 王孟宇
Original assignee: Dongbo Pump Co ltd Dongying District Dongying City
Current assignee: Dongbo Pump Co ltd Dongying District Dongying City
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-01
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a carry reciprocal oil gas mixed transportation pump of high gassiness relates to mixed transportation pump technical field, including the cylinder body, the cylinder body top is equipped with the pump cover, and the through-hole has been seted up to the pump cover both sides, and the cylinder body bottom is equipped with the ring flange, and the through-hole has been seted up to the ring flange both sides, and the ring flange is passed at the lead screw both ends and pump cover both sides through-hole, and there is the nut at the lead screw both ends through threaded connection, is equipped with import and export on the pump cover, and import department installs the import check valve, and the export check valve is installed in the exit, and sliding connection has the piston in the cylinder body, and the piston is close to ring flange one side fixed connection in piston rod one end, and the piston rod other end is equipped with hydraulic cylinder. The problem that the traditional compressor can not convey excessive other impurities and only can convey clean gas is solved. If 100% natural gas is conveyed, a small amount of water can be supplemented at the inlet for cooling and filling the clearance, the clearance is filled with liquid, the gas is completely discharged without being influenced by the pressure of the outlet, multi-stage conveying is not needed, and the compressor is smaller in size and simpler in structure than the traditional compressor.

Description

Reciprocating oil-gas mixed transportation pump for conveying high-gas content

Technical Field

The utility model relates to a defeated pump technical field specifically is a carry reciprocal oil gas defeated pump of high gassiness.

Background

The oil-gas mixed transportation pump is used in the process of gathering and transporting, and mainly transports crude oil containing gas, water, sand and the like, realizes the centralized purification, separation and storage of the crude oil, can reduce the pressure of a well mouth and improve the yield of a single well or an area, and is mainly divided into a single screw rod, a double screw rod, a three-screw rod pump, a plunger pump and the like according to the structural form.

Publication No. CN215762067U discloses a hydraulic drive double-rod double-cavity mixing delivery pump, which comprises: a first cylinder; a second cylinder; the end part of the first cylinder body, which is far away from the first inlet, is connected with the end part of the second cylinder body, which is far away from the second inlet, through the hydraulic cylinder; the first piston is arranged in the first cylinder body; and a second piston disposed in the second cylinder; through the technical scheme of this application, effectively solved current defeated pump of mixing and conveying very easily because the gas of carrying contains water and leads to the problem of blowing out or wearing and tearing, realized that the proportion of gas and liquid does not have the restriction, can carry by arbitrary proportion, infusion is efficient, owing to adopted hydraulic drive, has effectively prolonged defeated pump of mixing and conveying's life, transmission mode straight line conduction effort does not have bent axle and axle bush universal etc. and has reduced the noise of production, easy maintenance.

The patent is good to the less effect of gas content of defeated thoughtlessly, and is general to the long distance high pressure transport effect of the misce bene material of high gas content.

To the problem, the utility model provides a carry reciprocal oil gas multiphase pump of high gassiness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a carry reciprocal oil gas multiphase pump of high gassiness, solved traditional compressor and can not carry and contain too much other impurity and only can carry clean gas. If 100% natural gas is conveyed, a small amount of water can be supplemented at the inlet for cooling and play a role in filling up the clearance, the clearance is filled with liquid, the discharge of all gas is not influenced by the level of outlet pressure, multi-stage conveying is not needed, and the compressor has a small volume and a simple structure compared with the traditional compressor, so that the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a carry reciprocal oil gas multiphase pump of high gas content, which comprises a cylinder body, the cylinder body top is equipped with the pump cover, the through-hole has been seted up to the pump cover both sides, the cylinder body bottom is equipped with the ring flange, the through-hole has been seted up to the ring flange both sides, ring flange and pump cover both sides through-hole are passed at the lead screw both ends, there is the nut at the lead screw both ends through threaded connection, be equipped with import and export on the pump cover, import department installs the import check valve, export check valve is installed in the exit, sliding connection has the piston in the cylinder body, the piston is close to ring flange one side fixed connection in piston rod one end, the piston rod other end is equipped with hydraulic cylinder.

Furthermore, the other end of the piston rod is fixedly connected with the output end of the hydraulic oil cylinder through a coupler.

Furthermore, a plurality of empty grooves are formed in the peripheral surface of the piston, and sealing rings are sleeved in the empty grooves.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses carry the mixed medium that highly contains gas, solved traditional compressor and can not carry and contain too much other impurity and only can carry clean gas. If 100% natural gas is conveyed, a small amount of water can be supplemented at the inlet for cooling and play a role in filling up the clearance, liquid is filled in the clearance, the discharge of all gas is not influenced by the level of outlet pressure, multi-stage conveying is not needed, and the compressor is smaller in size and simpler in structure than a traditional compressor.

2. The utility model provides a pair of carry reciprocal oil gas multiphase pump of high gas content, the utility model discloses the working chamber is not sealed, and it is convenient to overhaul, and only the too big just can take place to leak of plunger rubber ring wearing and tearing, only needs to change the sealing washer and just can drop into production once more.

3. The utility model provides a pair of carry reciprocal oil gas multiphase pump of high gassiness, the utility model discloses structural feature lies in that the plunger direction of motion is reciprocating motion from top to bottom, and gaseous quality is lighter and make progress exhaust gas, is favorable to gaseous whole discharge, and the clearance is filled to lower part liquid, and volumetric efficiency can be close 100%, has improved the pump efficiency.

4. The utility model provides a pair of carry reciprocal oil gas multiphase pump of high gas content, the utility model relates to a reciprocating pump has inherited advantages such as reciprocating pump high pressure high pumping efficiency, has changed the motor and has passed through the belt speed reduction, and the transmission of bent axle connecting rod has the cost is reduced, has reduced the noise, has improved transmission efficiency.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention in the suction state;

fig. 2 is a schematic sectional view of the discharge state structure of the present invention.

In the figure: 1. a pump cover; 2. a lead screw; 3. a cylinder body; 4. a hydraulic cylinder; 5. a flange plate; 6. a seal ring; 7. a piston; 8. an outlet; 9. an inlet; 10. a piston rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to solve the technical problem of conveying the high-gas-content mixed medium, as shown in fig. 1-2, the following preferred technical scheme is provided:

the utility model provides a carry reciprocal oil gas multiphase pump of high gassiness, including

cylinder body

3, 3 tops of cylinder body are equipped with pump cover 1, the through-hole has been seted up to 1 both sides of pump cover, 3 bottoms of cylinder body are equipped with ring flange 5, the through-hole has been seted up to ring flange 5 both sides,

ring flange

5 and 1 both sides through-hole of pump cover are passed at 2 both ends of lead screw, there is the nut at 2 both ends of lead screw through threaded connection, be equipped with import 9 and export 8 on the pump cover 1, import 9 department installs the 9 check valve of import, export 8 department installs the 8 check valve of export, sliding connection has piston 7 in the cylinder body 3, piston 7 is close to ring flange 5 one side fixed connection in 10 one end of piston rod, the 10 other ends of piston rod are equipped with hydraulic cylinder 4.

Specifically, when the device works, an inlet 9 one-way valve is connected at an inlet 9 of the pump cover 1, the hydraulic oil cylinder 4 acts to drive the piston rod 10 to move towards the flange 5, the piston 7 slides in the cylinder 3, the sealing ring 6 on the piston 7 moves to draw air in the cylinder 3, the air pressure in the cylinder 3 is reduced to reach the set pressure of the inlet 9 one-way valve, so that the inlet 9 one-way valve is opened, the mixed medium is sucked into the cylinder 3 through the inlet 9 one-way valve, the air pressure gradually rises to close the inlet 9 one-way valve, the hydraulic oil cylinder 4 acts to push the piston rod 10 to move towards the pump cover 1 at the moment, the internal air pressure is increased, the air is slightly converged at the top of the cylinder 3 to be compressed, the air pressure in the cylinder 3 is excessively increased to reach the set pressure value of the outlet 8 one-way valve, the air is firstly discharged and then discharged, the pressure is reduced to automatically close the outlet 8 one-way valve, the piston 7 runs downwards, and a suction and discharge working cycle is completed.

Further, as shown in fig. 1-2, the following preferred technical solutions are provided:

the other end of the piston rod 10 is fixedly connected with the output end of the hydraulic oil cylinder 4 through a coupler.

Specifically, two cylindrical rods can be fixed together by a coupling while facilitating disassembly.

a plurality of empty grooves are formed in the peripheral surface of the piston 7, and sealing rings 6 are sleeved in the empty grooves.

Specifically, the piston 7 can reduce the flow of gas when working in the cylinder 3 through the seal ring 6, so that the gas can be compressed and extracted to change the air pressure in the cylinder 3, thereby realizing automation.

In summary, the following steps: when the device works, an inlet 9 one-way valve is connected to an inlet 9 of a pump cover 1, a hydraulic oil cylinder 4 acts to drive a piston rod 10 to move towards a flange 5, a piston 7 slides in a cylinder body 3, a sealing ring 6 on the piston 7 moves to extract air in the cylinder body 3, the air pressure in the cylinder body 3 is reduced to reach the set pressure of the inlet 9 one-way valve, so that the inlet 9 one-way valve is opened, a mixed medium is sucked into the cylinder body 3 through the inlet 9 one-way valve, the air pressure gradually rises to close the inlet 9 one-way valve, the hydraulic oil cylinder 4 acts to push the piston rod 10 to move towards the pump cover 1, the internal air pressure is increased, the air is collected lightly and is compressed at the top of the cylinder body 3, the excessive air pressure in the cylinder body 3 reaches the set pressure value of the outlet 8 one-way valve, the air is opened by the pressure, the outlet 8 one-way valve is firstly discharged and then liquid is discharged, the outlet 8 one-way valve is automatically closed due to the reduction of the pressure, the piston 7 runs downwards, and a working cycle of suction and discharge is completed.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carry reciprocal oil gas multiphase pump of high gas content, includes cylinder body (3), its characterized in that: cylinder body (3) top is equipped with pump cover (1), the through-hole has been seted up to pump cover (1) both sides, cylinder body (3) bottom is equipped with ring flange (5), the through-hole has been seted up to ring flange (5) both sides, ring flange (5) and pump cover (1) both sides through-hole are passed at lead screw (2) both ends, lead screw (2) both ends have the nut through threaded connection, be equipped with import (9) and export (8) on pump cover (1), import (9) department installs import (9) check valve, export (8) department installs export (8) check valve, sliding connection has piston (7) in cylinder body (3), piston (7) are close to ring flange (5) one side fixed connection in piston rod (10) one end, piston rod (10) other end is equipped with hydraulic cylinder (4).

2. The reciprocating oil-gas mixture transfer pump for transferring high gas content according to claim 1, characterized in that: the other end of the piston rod (10) is fixedly connected with the output end of the hydraulic oil cylinder (4) through a coupler.

3. The reciprocating oil-gas mixture transfer pump for transferring high gas content according to claim 2, characterized in that: a plurality of empty grooves are formed in the outer peripheral surface of the piston (7), and sealing rings (6) are sleeved in the empty grooves.