CN118167611A - Fixed valve control device and control method for pumping unit plunger pump - Google Patents
Fixed valve control device and control method for pumping unit plunger pump Download PDFInfo
- Publication number
- CN118167611A CN118167611A CN202211580976.1A CN202211580976A CN118167611A CN 118167611 A CN118167611 A CN 118167611A CN 202211580976 A CN202211580976 A CN 202211580976A CN 118167611 A CN118167611 A CN 118167611A
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- Prior art keywords
- plunger pump
- ball
- valve
- winding
- ball seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 58
- 230000009191 jumping Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1002—Ball valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1087—Valve seats
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to a fixed valve control device of a plunger pump of an oil pumping unit and a control method, wherein the control device comprises a plunger pump valve cover, a ball seat is arranged at the bottom of the plunger pump valve cover, an upper limit ring is arranged in the plunger pump valve cover, a valve ball capable of jumping up and down is arranged between the upper limit ring and the ball seat, and the valve ball can be sealed on the ball seat in a sitting manner; the inner wall of plunger pump valve cover is located the below of last spacing ring and sets up the winding, and the winding circular telegram back can produce the magnetic field so that the valve ball leaves fix in the ball seat top behind the ball seat, and the bottom of winding sets up the line end, and the below of winding sets up control portion, sets up outer pressure sensor on the lateral wall of control portion, sets up interior pressure sensor on the inside wall of control portion, and line end, outer pressure sensor and interior pressure sensor all are connected with the control portion electricity. The invention controls the valve ball based on static magnetic field; the valve ball is not connected with a movable part, so that low power consumption of valve ball control is realized.
Description
Technical Field
The invention relates to the technical field of oil extraction production, in particular to a fixed valve control device and a control method for a plunger pump of an oil pumping unit.
Background
The plunger pump of the pumping unit is arranged under the well of thousands of meters through an oil pipe, the fixed valve of the plunger pump is in a free working state of continuously jumping up and down in the working process, and sometimes leakage is required to be generated to transfer underground data in the production process, but the conventional plunger pump cannot meet the control requirement.
In the prior art, a structure for controlling a sucker rod to fix a valve by means of forward and backward movement of an electromagnetic push rod is adopted, the structure is added with an underground control valve, the electromagnetic push rod and the like of an underground moving part, a plunger pump generally works underground for 2-3 years or more, the frequent movement can cause insufficient reliability and short service life, and the plunger pump is limited in practical application.
Therefore, the inventor provides a fixed valve control device and a control method for a plunger pump of an oil pumping unit by virtue of experience and practice of related industries for many years so as to overcome the defects of the prior art.
Disclosure of Invention
The invention aims to provide a fixed valve control device and a control method for a plunger pump of an oil pumping unit, which are used for controlling a valve ball based on a static magnetic field; the valve ball is not connected with a movable part, so that low power consumption of valve ball control is realized.
The invention aims to realize that a fixed valve control device of a pumping unit plunger pump comprises a plunger pump valve cover, wherein a ball seat is arranged at the bottom of the plunger pump valve cover, an upper limiting ring is arranged in the plunger pump valve cover, a valve ball capable of jumping up and down is arranged between the upper limiting ring and the ball seat, and the valve ball can be sealed on the ball seat in a sitting manner;
The inner wall of plunger pump valve cover is located the below of last spacing ring sets up the winding, can produce the magnetic field after the winding circular telegram so that the valve ball leaves fix in the ball seat top behind the ball seat, the bottom of winding sets up the line end, the below of winding sets up the control portion, set up outer pressure sensor on the lateral wall of control portion, set up interior pressure sensor on the inside wall of control portion, the line end outer pressure sensor with interior pressure sensor all with the control portion electricity is connected.
In a preferred embodiment of the present invention, the windings are circumferentially arranged to enable magnetic lines of force to pass axially through the valve ball.
In a preferred embodiment of the invention, the interior of the winding is of vertical construction.
In a preferred embodiment of the present invention, the bottom end of the winding is higher or equal to the horizontal line of the center of the ball when the valve ball is seated on the ball seat.
In a preferred embodiment of the present invention, the top end of the inner wall of the winding is inclined, and the inclined surface is inclined outwards from top to bottom.
In a preferred embodiment of the invention, the slope has an inclination of 45 °.
In a preferred embodiment of the present invention, the inner diameter of the winding is 1.04 times the diameter of the valve ball.
In a preferred embodiment of the present invention, the plunger pump valve cover is provided with a first central hole which is axially penetrated, the upper limiting ring is provided with a second central hole which is axially penetrated, the ball seat is provided with a third central hole which is axially penetrated, and the second central hole is communicated with the first central hole; when the valve ball can be plugged on the ball seat, the third central hole and the first central hole are arranged in a sealing way; when the valve ball moves upwards to leave the ball seat, the third central hole and the first central hole are communicated.
The invention can also realize the aim, namely the fixed valve control method of the pumping unit plunger pump, which adopts the fixed valve control device of the pumping unit plunger pump, and the control part receives and compares the pressure values detected by the external pressure sensor and the internal pressure sensor, and controls the position of the valve ball of the plunger pump by controlling the electrifying state of the winding according to the comparison result.
In a preferred embodiment of the present invention, when the pressure value detected by the external pressure sensor is greater than or equal to the pressure value detected by the internal pressure sensor, the control part energizes the winding, and the magnetic field generated by the winding causes the valve ball to leave the ball seat and be fixed above the ball seat; after the winding is electrified for a set time, the power is automatically cut off, the valve ball is located back to the ball seat, and the plunger pump works normally.
By the above, the fixed valve control device and the control method of the pumping unit plunger pump have the following beneficial effects:
The invention controls the valve ball based on static magnetic field; the winding is electrified to generate a magnetic field so that the valve ball is fixed above the ball seat after leaving the ball seat, and can fall to be located on the plugging ball seat after the winding is powered off, and the valve ball is not required to be connected with a movable part, so that low power consumption of valve ball control is realized.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention.
Wherein:
fig. 1 is a schematic structural diagram of a fixed valve control device of a pumping unit plunger pump of the present invention.
Fig. 2 is a schematic diagram of the magnetic field effect of the windings of the present invention on a valve ball.
In the figure:
1. plunger pump valve cover;
10. A first central bore; 11. a winding; 111. an inclined plane; 112. a protective layer; 12. a wire end; 13. a control unit; 14. an external pressure sensor; 15. an internal pressure sensor; 16. an upper limit ring; 161. a second central bore;
2. A ball seat; 20. a third central bore;
3. And (3) a valve ball.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present invention, a specific embodiment of the present invention will be described with reference to the accompanying drawings.
The specific embodiments of the invention described herein are for purposes of illustration only and are not to be construed as limiting the invention in any way. Given the teachings of the present invention, one of ordinary skill in the related art will contemplate any possible modification based on the present invention, and such should be considered to be within the scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, may be in communication with each other in two elements, may be directly connected, or may be indirectly connected through an intermediary, and the specific meaning of the terms may be understood by those of ordinary skill in the art in view of the specific circumstances. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the invention provides a fixed valve control device of a pumping unit plunger pump, which comprises a plunger pump valve cover 1, wherein a ball seat 2 is arranged at the bottom of the plunger pump valve cover 1, an upper limit ring 16 is arranged in the plunger pump valve cover 1, a valve ball 3 capable of jumping up and down is arranged between the upper limit ring 16 and the ball seat 2, and the valve ball 3 can be sealed on the ball seat 2 in a sitting manner;
The inner wall of plunger pump valve cover 1 is located the below of last spacing ring 16 and sets up winding 11, and the winding 11 is circular telegram back can produce the magnetic field so that valve ball 3 is fixed in the ball seat top after leaving ball seat 2, and the bottom of winding 11 sets up line end 12, and the below of winding 11 sets up control portion 13, sets up outer pressure sensor 14 on the lateral wall of control portion 13, sets up interior pressure sensor 15 on the inside wall of control portion 13, and line end 12, outer pressure sensor 14 and interior pressure sensor 15 all are connected with control portion 13 electricity. In one embodiment of the invention, winding 11 is wound 400-2000 ampere-turns, and the suction force generated can realize the control of the valve ball at a fixed position.
The movable space of the valve ball 3 is formed between the upper limiting ring 16 and the ball seat 2, the winding 11 is arranged on the side wall of the movable space, after the valve ball 3 moves away from the ball seat 2, as shown in fig. 2, the winding 11 is electrified to generate the magnetic field A, so that the valve ball 3 is fixed above the ball seat 2 under the action of magnetic force (meeting the requirement of leakage of a plunger pump, which is the prior art and belongs to the working principle of the plunger pump), and the valve ball 3 can fall to sit to seal the ball seat 2 after the winding is powered off. The valve ball 3 is not connected with a movable part (a push rod type movable structure), so that the low power consumption of the control of the valve ball 3 is realized.
The fixed valve control device of the pumping unit plunger pump carries out the control of the valve ball based on the static magnetic field; the winding is electrified to generate a magnetic field so that the valve ball is fixed above the ball seat after leaving the ball seat, and can fall to be located on the plugging ball seat after the winding is powered off, and the valve ball is not required to be connected with a movable part, so that low power consumption of valve ball control is realized.
Further, as shown in fig. 2, the windings 11 are circumferentially arranged so that magnetic lines of force can pass axially through the valve ball 3.
In a specific embodiment of the invention, the interior of the winding 11 is mainly of vertical construction.
Further, the bottom end of the winding 11 is arranged higher or equal higher (not lower) than the horizontal line of the center of the ball when the valve ball 3 is seated on the ball seat 2. When the valve ball 3 moves upward, magnetic lines of force can pass through the inside of one hemisphere more.
Further, as shown in fig. 1, the top end of the inner wall of the winding 11 is provided with a slope 111, and the slope 111 is provided obliquely outward from top to bottom.
In one embodiment of the present invention, the slope 111 is 45 ° inclined, so that the magnetic force lines have a radial component to ensure the position of the valve ball 3 on the axis.
In one embodiment of the present invention, the inner diameter of the winding 11 is 1.04 times the diameter of the valve ball 3 (the multiple is determined according to practical requirements). Therefore, the valve ball 3 has enough space in the radial direction and can not be clamped, and meanwhile, the displacement of the valve ball 3 in the horizontal direction is restrained, so that the stability of the working state is ensured.
Further, as shown in fig. 1, a first central hole 10 which is axially penetrated is arranged on the plunger pump valve cover 1, a second central hole 161 which is axially penetrated is arranged on the upper limit ring 16, a third central hole 20 which is axially penetrated is arranged on the ball seat 2, and the second central hole 161 is communicated with the first central hole 10; when the valve ball 3 can be plugged on the ball seat 2, the third central hole 20 and the first central hole 10 are arranged in a sealing way; when the valve ball 3 moves upwards and away from the ball seat 2, the third central hole 20 and the first central hole 10 are communicated.
The winding 11 realizes the lifting control of the valve ball 3 through power on and power off, so as to control the on-off states of the third central hole 20 and the first central hole 10 (when the valve ball 3 falls on the ball seat 2, the upper space and the lower space of the valve ball 3 can be isolated), thereby meeting the working requirement of the plunger pump.
In an embodiment of the present invention, as shown in fig. 1, a shielding layer 112 is disposed inside the winding 11 and the control portion 13, and the internal pressure sensor 15 is disposed on the shielding layer 112 in a penetrating manner, and the shielding layer 112 does not affect the magnetic field generated by the energizing of the winding 11.
The invention also provides a control method for the fixed valve of the pumping unit plunger pump, which adopts the control device for the fixed valve of the pumping unit plunger pump, and the control part 13 receives and compares the pressure values detected by the external pressure sensor 14 and the internal pressure sensor 15, and controls the position of the plunger pump valve ball 3 by controlling the electrifying state of the winding 11 according to the comparison result.
Specifically, when the pressure value p1 detected by the external pressure sensor 14 is greater than or equal to the pressure value p2 detected by the internal pressure sensor 15, that is, p1 is greater than or equal to p2, the control part 13 energizes the winding 11, and the magnetic field generated by the winding 11 enables the valve ball 3 separated from the ball seat 2 to be fixed above the ball seat 2, so that the valve ball is prevented from falling on the ball seat 2, and the leakage requirement of the plunger pump is met; after the winding 11 is electrified for a set time t, the power is automatically cut off, the valve ball 3 is located back to the ball seat 2, and the plunger pump works normally. The working state of the plunger pump valve ball is circulated according to a set program, so that the plunger pump valve ball is controlled.
By the above, the fixed valve control device and the control method of the pumping unit plunger pump have the following beneficial effects:
The invention controls the valve ball based on static magnetic field; the winding is electrified to generate a magnetic field so that the valve ball is fixed above the ball seat after leaving the ball seat, and can fall to be located on the sealing ball seat after the winding is powered off, so that a movable part is not required to be connected to the valve ball, and low power consumption of valve ball control is realized.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this invention, and are intended to be within the scope of this invention.
Claims (10)
1. The fixed valve control device of the pumping unit plunger pump comprises a plunger pump valve cover, wherein a ball seat is arranged at the bottom of the plunger pump valve cover, an upper limiting ring is arranged in the plunger pump valve cover, a valve ball capable of jumping up and down is arranged between the upper limiting ring and the ball seat, and the valve ball can be sealed on the ball seat in a sitting manner; it is characterized in that the method comprises the steps of,
The inner wall of plunger pump valve cover is located the below of last spacing ring sets up the winding, can produce the magnetic field after the winding circular telegram so that the valve ball leaves fix in the ball seat top behind the ball seat, the bottom of winding sets up the line end, the below of winding sets up the control portion, set up outer pressure sensor on the lateral wall of control portion, set up interior pressure sensor on the inside wall of control portion, the line end outer pressure sensor with interior pressure sensor all with the control portion electricity is connected.
2. The fixed valve control device of the pumping unit plunger pump of claim 1, wherein the windings are circumferentially arranged so that magnetic lines of force can axially pass through the valve ball.
3. The fixed valve control device of the pumping unit plunger pump of claim 1, wherein the inside of the winding is of a vertical structure.
4. The fixed valve control device of the pumping unit plunger pump of claim 1, wherein the bottom end of the winding is higher or equal to the horizontal line of the sphere center when the valve ball is located on the ball seat.
5. The fixed valve control device of the pumping unit plunger pump of claim 1, wherein the top end of the inner wall of the winding is provided with an inclined surface, and the inclined surface is arranged in an outward inclined manner from top to bottom.
6. The fixed valve control device of the pumping unit plunger pump of claim 5, wherein the inclined plane has an inclination angle of 45 °.
7. The fixed valve control device of the pumping unit plunger pump of claim 1, wherein the inner diameter size of the winding is 1.04 times of the diameter size of the valve ball.
8. The fixed valve control device of the pumping unit plunger pump of claim 1, wherein a first central hole which is axially communicated is arranged on the plunger pump valve cover, a second central hole which is axially communicated is arranged on the upper limiting ring, a third central hole which is axially communicated is arranged on the ball seat, and the second central hole is communicated with the first central hole; when the valve ball can be plugged on the ball seat, the third central hole and the first central hole are arranged in a sealing way; when the valve ball moves upwards to leave the ball seat, the third central hole and the first central hole are communicated.
9. A method for controlling a fixed valve of a plunger pump of an oil pumping unit, characterized in that a fixed valve control device of a plunger pump of an oil pumping unit according to any one of claims 1 to 8 is adopted, a control part receives and compares pressure values detected by an external pressure sensor and an internal pressure sensor, and the position of a valve ball of the plunger pump is controlled by controlling the energizing state of a winding according to the comparison result.
10. The fixed valve control method of the pumping unit plunger pump according to claim 9, wherein when the pressure value detected by the external pressure sensor is greater than or equal to the pressure value detected by the internal pressure sensor, the control part energizes the winding, and the magnetic field generated by the winding causes the valve ball to leave the ball seat and be fixed above the ball seat; after the winding is electrified for a set time, the power is automatically cut off, the valve ball is located back to the ball seat, and the plunger pump works normally.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211580976.1A CN118167611A (en) | 2022-12-09 | 2022-12-09 | Fixed valve control device and control method for pumping unit plunger pump |
| PCT/CN2023/120699 WO2024119971A1 (en) | 2022-12-09 | 2023-09-22 | Plunger pump fixing valve controllable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211580976.1A CN118167611A (en) | 2022-12-09 | 2022-12-09 | Fixed valve control device and control method for pumping unit plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118167611A true CN118167611A (en) | 2024-06-11 |
Family
ID=91353770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211580976.1A Pending CN118167611A (en) | 2022-12-09 | 2022-12-09 | Fixed valve control device and control method for pumping unit plunger pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN118167611A (en) |
| WO (1) | WO2024119971A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314274Y (en) * | 2008-12-19 | 2009-09-23 | 天津大学 | Quick-response large-flow electromagnetic control valve |
| CN205559893U (en) * | 2016-04-18 | 2016-09-07 | 厦门盈硕科智能装备有限公司 | Magnetic force ball formula check valve |
| CN209067183U (en) * | 2018-09-21 | 2019-07-05 | 中国石油天然气股份有限公司 | Pressure wave code intelligent layered water injection system for water injection well |
| US10914148B2 (en) * | 2018-11-05 | 2021-02-09 | Jerry Rich | Hydraulic ball guide for subsurface ball valves |
| CN110344787B (en) * | 2019-07-16 | 2021-10-22 | 胜利方兰德石油装备股份有限公司 | Pumping unit system with multi-section steam injection seal spacer |
-
2022
- 2022-12-09 CN CN202211580976.1A patent/CN118167611A/en active Pending
-
2023
- 2023-09-22 WO PCT/CN2023/120699 patent/WO2024119971A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024119971A1 (en) | 2024-06-13 |
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