CN211202258U - Hydraulic balance automatic control system of reciprocating booster water injection pump - Google Patents
Hydraulic balance automatic control system of reciprocating booster water injection pump Download PDFInfo
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- CN211202258U CN211202258U CN201922136236.9U CN201922136236U CN211202258U CN 211202258 U CN211202258 U CN 211202258U CN 201922136236 U CN201922136236 U CN 201922136236U CN 211202258 U CN211202258 U CN 211202258U
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- injection pump
- balance
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Abstract
The utility model discloses a hydraulic balance automatic control system of a reciprocating booster water injection pump, which comprises a suction pressure detection device, a balance pressure detection device and a discharge pressure detection device which are arranged on a pipeline of the reciprocating booster water injection pump, wherein a regulating valve for regulating the suction pressure or the balance pressure is arranged between the balance pressure detection device and the discharge pressure detection device, the pressure change in the pipeline can be obtained at any time by monitoring the suction pressure, the balance pressure and the balance pressure in a pump body, the hydraulic balance system enters a balance mode again by timely regulating the valve position of a regulating valve, the unbalance phenomenon of the hydraulic balance system of the reciprocating booster water injection pump caused by various reasons is effectively solved, and when the hydraulic unbalance condition occurs, the balance relation can be effectively reestablished in time, the continuous operation of equipment is ensured, and the failure rate caused by abnormal abrasion of the equipment is avoided, the long-term stable operation of the equipment is realized.
Description
Technical Field
The utility model relates to an oil transfer pump control technical field especially relates to a reciprocating type pressure boost water injection pump hydraulic balance automatic control system.
Background
In oil exploitation, stratum water injection is a main measure for stabilizing the yield of an oil field, and a booster water injection pump becomes an important device for water injection and yield preservation of the oil field. The continuous and stable operation of the booster water injection pump plays an important role in the water injection process.
The hydraulic balance system of the reciprocating booster water injection pump has strict requirements on suction pressure and discharge pressure in field practical application, the hydraulic balance of the booster water injection pump can be broken due to the change of any one of the two parameters, the suction pressure and the discharge pressure of oil well booster water injection provided on the field are only one reference value, the factors of complexity, uncontrollable controllability and the like of stratum working conditions cause that model-selecting equipment is difficult to be matched with the field practical application working conditions, so that the bearing capacity of a plunger of the equipment is changed, the whole crank-connecting rod mechanism of the equipment is seriously abraded, the replacement period of non-wearing parts of the equipment is prolonged, manpower and material resources are increased, and the oil extraction and water injection are influenced. And with the increasing increase of the water injection quantity and the water injection pressure of the oil well, the discharge pressure of the booster water injection pump is gradually increased, and the booster water injection pump also becomes a hidden trouble for breaking the original hydraulic balance.
SUMMERY OF THE UTILITY MODEL
To above-mentioned defect or not enough, the utility model aims to provide a reciprocating type pressure boost water injection pump hydraulic balance automatic control system.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a reciprocating type booster water injection pump hydraulic balance automatic control system, is including installing suction pressure detection device, balanced pressure detection device and the discharge pressure detection device on reciprocating type booster water injection pump pipeline, install the governing valve that is used for adjusting suction pressure or balanced pressure between balanced pressure detection device and the discharge pressure detection device.
The regulating valve is an electric pressure regulating valve, and a P L C control device is connected to the electric pressure regulating valve.
The suction pressure detection device, the equilibrium pressure detection device, and the discharge pressure detection device are all pressure sensors.
When the suction pressure P1 is reduced, the valve position of the regulating valve is opened greatly until the relation value of P1/P2 recovers to the preset value; when the suction pressure P1 is increased, the valve position of the regulating valve is closed to be small until the relation value of P1/P2 recovers to the preset value; when the discharge pressure P3 is reduced, the equilibrium pressure P2 is reduced, and the valve position of the regulating valve is closed until the relation value of P1/P2 recovers to the preset value; when the discharge pressure P3 increases, the equilibrium pressure P2 increases, and the valve position of the regulator valve opens greatly until the relationship P1/P2 returns to the preset value.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a reciprocating type pressure boost water injection pump hydraulic balance automatic control system, through the suction pressure to in the pump body, the equilibrium pressure, and the monitoring of equilibrium pressure, can acquire the change of pressure in the pipeline at any time, through timely regulation to the governing valve position, make hydraulic balance system get into balanced mode again, reciprocating type pressure boost water injection pump has been solved effectively because the hydraulic balance system unbalance phenomenon that various reasons caused, and when the hydraulic unbalance condition takes place, can in time reestablish the equilibrium relation effectively, guarantee the continuous operation of equipment, the fault rate that equipment abnormal wear and tear caused has been stopped, the long-term steady operation of equipment has been realized.
Drawings
FIG. 1 is a schematic structural view of a hydraulic balance system of a reciprocating booster water injection pump of the present invention;
fig. 2 is the control logic diagram of the hydraulic balance system of the reciprocating booster water injection pump of the utility model.
Detailed Description
The present invention will be described in detail with reference to the drawings, and it should be understood 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.
The hydraulic balance system of the reciprocating booster water injection pump utilizes the suction pressure of equipment and the discharge pressure of the equipment to achieve buffer balance in the equipment through the hydraulic balance system, thereby reducing or even eliminating extra directional force borne by a plunger and enabling a crank-link mechanism to run more smoothly. As shown in fig. 1, F1 ═ F2 is the optimal operating condition of the equipment, F1 ═ P1 ═ S1, F2 ═ P2 ═ S2, so that P1/P2 ═ S2/S1 can be obtained, since S2/S1 is fixed after the equipment is designed and leaves the factory, the hydraulic balance system can be maintained only by adjusting the parameters of P1 and P2, in the conventional process, P1/P2 is also fixed when the equipment leaves the factory, which hardly meets the optimal adjustment state and the use perspective of the equipment, and it is difficult to control the change of the operating parameters in time and effectively during the use, thereby causing unfavorable conditions such as equipment failure and expensive maintenance cost. The utility model provides a reciprocating type pressure boost water injection pump hydraulic balance automatic control system, including installing suction pressure detection device 1, balanced pressure detection device 2 and discharge pressure detection device 3 on reciprocating type pressure boost water injection pump pipeline, install between balanced pressure detection device 2 and the discharge pressure detection device 3 and be used for adjusting suction pressure or balanced pressure's governing valve 4.
Preferably, the regulating valve 4 of the present invention is an electric pressure regulating valve, and a P L C (Programmable L organic Controller) control device 5 is connected to the electric pressure regulating valve, the electric pressure regulating valve can control and regulate the hydraulic balance of the reciprocating booster water injection pump, the present invention utilizes a Programmable Controller to monitor and process the operation parameters such as the device suction pressure P1, the discharge pressure P3, the regulated hydraulic balance pressure P2, and the valve position of the electric pressure regulating valve in the hydraulic balance system, and as shown in fig. 2, the target value is set to be S2/S1 ═ P1/P2 by PID (closed-loop control system).
The utility model discloses in, it presses detection device 1, balanced pressure detection device 2 and discharge to press detection device 3 to be pressure sensor detection device to inhale, specifically include: the system comprises a suction pressure detection transmitter, a discharge pressure detection transmitter, a balance system pressure detection transmitter, a Siemens programmable logic controller, a Siemens analog quantity input and output module and a Siemens touch man-machine interaction touch screen.
The utility model discloses reciprocating type pressure boost water injection pump hydraulic balance automatic control system's control process does:
1) acquiring suction pressure P1, equilibrium pressure P2 and equilibrium pressure P3 of the pump body;
2) when the suction pressure P1 is reduced, the valve position of the regulating valve (4) is opened greatly until the relation value of P1/P2 recovers to the preset value;
when the suction pressure P1 is increased, the valve position of the regulating valve (4) is closed until the relation value of P1/P2 recovers to the preset value;
when the discharge pressure P3 is reduced, the equilibrium pressure P2 is reduced, the valve position of the regulating valve (4) is closed, and the preset value is restored until the relation value of P1/P2;
when the discharge pressure P3 increases, the equilibrium pressure P2 increases, and the valve position of the regulator valve (4) opens greatly until the relationship P1/P2 returns to the preset value.
Specifically, a control regulating valve (4) sets a relation value P1/P2 of a booster water injection pump when the booster water injection pump leaves a factory on a touch screen, a Siemens logic controller can carry out closed-loop control regulation according to the set relation value (P1/P2), and specific changes can be divided into ① parameters which are set by the logic controller to be PID regulated immediately when suction pressure P1 is reduced, signals are sent to the regulating valve to enable the valve position to be opened and enlarged, and meanwhile, a balance pressure P2 transducer continuously detects pressure changes according to the valve position opening until the relation value P1/P2 returns to parameters set by the touch screen, after PID regulation is finished, the equipment returns to normal operation, ② parameters which are set by the logic controller to be PID regulated immediately when suction pressure P1 is increased, signals are sent to the regulating valve to enable the valve position to be closed and reduced, and meanwhile, a balance pressure P2 transducer continuously detects pressure changes according to the valve position reduction until the relation value P1/P2 returns to the parameters set by the touch screen, after the regulation is finished, equipment recovers to operate normally, and when the valve position P638/P2 is increased, the valve position is increased and the balance pressure value P366 is discharged and the balance pressure is increased and the pressure value of the pressure of the balance valve position of the pressure of the equipment returns to be increased.
Adjusting the valve position to enable the hydraulic balance system to enter the balance mode again; when P3 changes or the hydraulic balance pressure P2 changes due to any reason, the PID immediately comes into operation, and the hydraulic balance system enters the balance mode again by adjusting the position of the electric pressure adjusting valve.
The utility model discloses can be through detecting suction pressure, discharge pressure, hydraulic balance pressure and data processing, when suction pressure or hydraulic balance pressure change, PID closed loop control system adjusts immediately, and electric pressure control valve carries out fine motion and adjusts promptly, through the change reestablishment pressure balance of valve position.
It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.
Claims (4)
1. The utility model provides a reciprocating type booster water injection pump hydraulic balance automatic control system which characterized in that, presses detection device (1), balanced pressure detection device (2) and discharge pressure detection device (3) including installing suction on reciprocating type booster water injection pump pipeline, install between balanced pressure detection device (2) and discharge pressure detection device (3) and be used for adjusting suction pressure or balanced governing valve (4) of pressing.
2. The hydraulic balance automatic control system of the reciprocating booster water injection pump according to the claim 1, characterized in that the regulating valve (4) is an electric pressure regulating valve, and a P L C control device (5) is connected on the electric pressure regulating valve.
3. The automatic hydraulic balance control system for the reciprocating booster water injection pump according to claim 1, characterized in that the suction pressure detection device (1), the balance pressure detection device (2) and the discharge pressure detection device (3) are all pressure sensors.
4. The automatic hydraulic balance control system for reciprocating booster water injection pump according to claim 1, characterized in that when the suction pressure P1 is reduced, the valve position of the regulating valve (4) is opened greatly until the relationship value of P1/P2 is restored to a preset value; when the suction pressure P1 is increased, the valve position of the regulating valve (4) is closed until the relation value of P1/P2 recovers to the preset value; when the discharge pressure P3 is reduced, the equilibrium pressure P2 is reduced, the valve position of the regulating valve (4) is closed, and the preset value is restored until the relation value of P1/P2; when the discharge pressure P3 increases, the equilibrium pressure P2 increases, and the valve position of the regulator valve (4) opens greatly until the relationship P1/P2 returns to the preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136236.9U CN211202258U (en) | 2019-12-03 | 2019-12-03 | Hydraulic balance automatic control system of reciprocating booster water injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136236.9U CN211202258U (en) | 2019-12-03 | 2019-12-03 | Hydraulic balance automatic control system of reciprocating booster water injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202258U true CN211202258U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922136236.9U Active CN211202258U (en) | 2019-12-03 | 2019-12-03 | Hydraulic balance automatic control system of reciprocating booster water injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202258U (en) |
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2019
- 2019-12-03 CN CN201922136236.9U patent/CN211202258U/en active Active
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