CN117948436A - Self-operated water mixing valve for oil well - Google Patents
Self-operated water mixing valve for oil well Download PDFInfo
- Publication number
- CN117948436A CN117948436A CN202211326632.8A CN202211326632A CN117948436A CN 117948436 A CN117948436 A CN 117948436A CN 202211326632 A CN202211326632 A CN 202211326632A CN 117948436 A CN117948436 A CN 117948436A
- Authority
- CN
- China
- Prior art keywords
- valve
- water mixing
- pressure
- oil well
- self
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000003129 oil well Substances 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 210000004907 gland Anatomy 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 230000037452 priming Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 239000008358 core component Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000012421 spiking Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses an oil well self-operated water mixing valve, which comprises a valve seat, an inlet channel, an outlet channel, a valve core assembly, a gland assembly and a water mixing valve gauge head, wherein a temperature sensor and a pressure sensor are arranged at the front end of the outlet channel behind the valve, an adjusting valve rod is arranged in the valve core assembly, a sealing stuffing box is arranged between the adjusting valve rod and the inner wall of the gland assembly, an adjusting executing mechanism is connected to the position, extending to the water mixing valve gauge head, of the adjusting valve rod, the executing mechanism is of a worm wheel structure controlled by a motor, and the worm wheel is driven to move by the rotation of the motor and then drives the adjusting valve rod to move up and down so as to realize the adjustment of the opening degree of the valve. The invention can change the traditional water mixing process, and reasonably adjust the opening of the water mixing valve to realize the automatic control and adjustment of the water mixing amount by the association relation of key parameters such as the valve back pressure, the valve opening and the like of the water mixing valve, thereby reducing the energy consumption of a water mixing system, relieving the labor intensity of staff in a post, realizing the cost reduction and efficiency improvement of water mixing and gathering and transportation, and realizing the automatic adjustment of the water mixing amount of an oil well.
Description
Technical Field
The invention relates to the field of oil field ground engineering, in particular to a self-operated water mixing valve of an oil well, belonging to a self-operated adjusting control valve for controlling water mixing amount of a water mixing collecting and conveying system and stabilizing water mixing pressure.
Background
At present, crude oil with poor physical properties such as high viscosity, high condensation point and the like is conveyed in an oil field by using a water mixing heating and collecting and conveying process mainly by adopting a fixed water nozzle, the fixed water nozzle realizes seasonal adjustment of water mixing quantity of a single well by means of manual inspection and water nozzle replacement, automatic linkage of oil well back pressure and water mixing quantity cannot be realized, the water mixing quantity cannot be automatically adjusted and controlled, and the problems of high water mixing quantity, high water mixing energy consumption, serious heat energy waste and the like are caused. Under the condition of unstable pressure of the water mixing system, the stability of the water mixing amount of a single well cannot be kept, so that the defects of imbalance of the water mixing amount and the like are caused. Too high water mixing amount and water mixing temperature easily cause the problems of serious pipeline corrosion, high pipeline leakage rate and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing the self-operated water mixing valve for the oil well, which can change the traditional water mixing process, and reasonably adjust the opening of the water mixing valve to realize the automatic control and adjustment of the water mixing amount by the association relation of key parameters such as the valve back pressure, the valve opening and the like of the water mixing valve, thereby reducing the energy consumption of the water mixing system, relieving the labor intensity of staff at a post, realizing the cost reduction and synergy of water mixing gathering and transportation, and realizing the automatic adjustment of the water mixing amount of the oil well.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an oil well self-operated water mixing valve, including disk seat, inlet channel, outlet channel, case subassembly, gland subassembly, water mixing valve gauge outfit, temperature sensor and pressure sensor are installed to outlet channel front end behind the valve, install the regulating valve rod in the case subassembly, be equipped with sealed stuffing box between regulating valve rod and the gland subassembly inner wall, regulating valve rod extends to water mixing valve gauge outfit department and is connected with the regulation actuating mechanism, and actuating mechanism is motor control's worm wheel structure, drives the worm wheel action through the motor rotation and drives the regulation valve rod up-and-down motion again and realize the regulation of valve aperture.
And the motor and the battery pack of the actuating mechanism are integrated in the meter head of the water mixing valve. The battery pack adopts a lithium sub-battery. The water mixing valve adopts a straight-through single-seat regulating valve. And the packing in the sealing packing box is flexible graphite.
The water mixing valve gauge head is internally provided with a controller, the controller is used for receiving electric signals converted from fluid temperature and pressure signals measured by a temperature sensor and a pressure sensor behind the valve, the controller calculates the difference between set pressure and detected pressure through PID proportion, integral and differential formulas and then outputs the motor rotation amplitude of an actuating mechanism, and the actuating mechanism drives an adjusting valve rod to move up and down through the rotation of the motor to adjust the opening of the valve.
The beneficial effects of the invention are as follows:
(1) Through the association relation between the back pressure of the valve (oil well back pressure) and the opening of the water mixing valve, the opening of the water mixing valve is reasonably regulated, the automatic control and the timely regulation of the water mixing amount are realized, the pressure stabilizing effect is achieved, the water mixing amount is effectively reduced, and the running energy consumption of a water mixing system is reduced.
(2) The kinetic energy of the fluctuation of the water mixing pressure is converted into electric energy for an actuating mechanism to use, the electric adjustment of the valve and the data remote communication can be realized without an external power supply, and the installation is simple and convenient.
(3) The actuating mechanism adopts a worm wheel structure controlled by a motor, the motor rotates to drive the adjusting valve rod to move, the response time is short after receiving signals, the action is performed quickly, the pressure adjusting range is wide, and the control precision is better.
(4) The remote monitoring system has a real-time data remote transmission function, can check data such as the water mixing amount of an oil well, the back pressure of the oil well (the pressure after a valve), the opening degree of a water mixing valve and the like in real time in a monitoring room, does not need frequent field inspection, and greatly reduces the labor intensity of workers.
Drawings
FIG. 1 is a schematic view of the overall structure of the self-priming valve of the present invention;
FIG. 2 is a schematic illustration of an actuator mechanism of the self-service spiking valve of the present invention;
FIG. 3 is a schematic illustration of a watering valve head of the self-priming watering valve of the present invention;
FIG. 4 is a schematic diagram of the control principle of the self-operated water-doped valve of the present invention;
FIG. 5 is a schematic illustration of a process flow for using the self-priming valve of the present invention.
In the figure: 1. a valve seat; 1-1, an inlet channel; 1-2, an outlet channel; 2. a valve core assembly; 3. a gland assembly; 4. an actuator; 4-1, worm gear; 5. a water mixing valve gauge head; 5-1, a motor; 5-2, a battery pack; 6. an adjusting valve rod; 7. a stuffing box; 8. a temperature sensor; 9. a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in figures 1-4, the self-operated water mixing valve for the oil well comprises a valve seat 1, an inlet channel 1-1, an outlet channel 1-2, a valve core component 2, a gland component 3 and a water mixing valve gauge head 5, wherein a temperature sensor 8 and a pressure sensor 9 are arranged at the front end of the outlet channel 1-2 behind the valve, an adjusting valve rod 6 is arranged in the valve core component 2, a sealing stuffing box 7 is arranged between the adjusting valve rod 6 and the inner wall of the gland component 3, the adjusting valve rod 6 extends to the position of the water mixing valve gauge head 5 and is connected with an adjusting executing mechanism 4, the executing mechanism 4 is of a worm gear structure controlled by a motor, and the worm gear is driven to move through the rotation of the motor and then drives the adjusting valve rod 6 to move up and down so as to realize the adjustment of the opening degree of the valve. The actuating mechanism motor is connected with the worm wheel through a power line, the worm wheel is connected with the valve rod, threads are arranged at the top of the valve rod and meshed with the worm wheel, two shafts of the worm wheel and the valve rod are mutually perpendicular, the worm wheel rotates to drive the valve rod, and the rotation of the worm wheel is converted into the up-and-down motion of the valve rod, so that the valve switch and the opening degree are adjusted.
The motor 5-1 and the battery pack 5-2 of the actuating mechanism 4 are integrated in the water mixing valve gauge head 5. The battery pack 5-2 adopts a lithium-ion battery.
The water mixing valve adopts a straight-through single-seat regulating valve.
And the packing in the sealing packing box is flexible graphite.
The water mixing valve gauge head is internally provided with a controller, the controller is used for receiving electric signals converted from fluid temperature and pressure signals measured by a temperature sensor and a pressure sensor behind the valve, the controller calculates the difference between set pressure and detected pressure through PID proportion, integral and differential formulas and then outputs the motor rotation amplitude of an actuating mechanism, and the actuating mechanism drives an adjusting valve rod to move up and down through the rotation of the motor to adjust the opening of the valve.
The self-operated water mixing valve for the oil well is of an integrated structure, is integrally provided with a valve seat, a valve core assembly, an actuating mechanism, a water mixing valve gauge head, a pressure sensor, a temperature sensor and other assemblies, and the water mixing valve gauge head 5 controller receives signals through the detection of the data of the pressure sensor 9 and the temperature sensor 8 and then triggers the actuating mechanism 4 to actuate the adjusting valve rod 6 to displace to adjust the opening of the control valve, so that the water mixing amount is reasonably controlled, and the production management level is improved.
The medium flows into the valve body from the inlet channel before the water mixing valve, and is output from the outlet channel after being throttled by the valve core component. The medium passes through a temperature sensor and a pressure sensor after the valve, the measured fluid temperature and pressure signals are converted into electric signals and transmitted to a meter head controller of the water mixing valve, the controller calculates the difference between the set pressure and the detected pressure through PID proportion, integral and differential formulas and then outputs the motor rotation amplitude of an actuating mechanism, and the actuating mechanism drives an adjusting valve rod to move up and down through the rotation of the motor, so that the opening degree of the valve is adjusted. If the back pressure of the pressure oil well behind the valve is higher than the set target value, the controller in the gauge head of the water mixing valve triggers the actuating mechanism to act, the motor of the actuating mechanism rotates to drive the worm wheel to rotate to pull the adjusting valve rod upwards, and then the valve core is driven to move upwards, so that the medium flow area in the valve body is increased, namely the opening degree of the valve is increased; the opening of the valve is increased, the water mixing amount is increased, the back pressure of the oil well is reduced after the water mixing amount of the gathering and delivery system is increased, namely the pressure behind the valve is reduced, and the purposes of reducing and stabilizing pressure are achieved. If the back pressure of the pressure oil well after the valve is tested is lower than the set target value, the controller in the gauge head of the water mixing valve triggers the actuating mechanism to act, the worm wheel is driven to rotate by the motor of the actuating mechanism to push the valve rod downwards, the valve core is driven to displace downwards, the medium flow area in the valve body is reduced, and the opening degree of the valve is reduced; the opening degree of the valve is reduced, the water mixing amount is reduced, and the purpose of controlling the water mixing amount is achieved under the condition of ensuring the back pressure of the oil well. The valve opening is controlled by driving the adjusting valve rod through the water mixing valve actuating mechanism, so that the water mixing amount is automatically adjusted and controlled, the pressure (oil well back pressure) after the valve is ensured to be in a range which ensures the production safety and rationality, and the automatic control of the water mixing system is realized. When the temperature and the pressure are detected to exceed the critical value, the device can automatically alarm, so that on-site workers can find hidden dangers in time, and the risk of production operation is reduced.
The self-operated regulating valve is an automatic actuator which converts the pressure kinetic energy of the water mixing pressure waves into electric energy or takes a battery as a power source. The device has the characteristics of simple structure, reliable action, stable performance, low price, convenient maintenance and the like, and can be matched with the pneumatic adjusting instrument and the pneumatic unit combination instrument and matched with the electric adjusting instrument and the electric unit combination instrument.
According to the actual application scene of the water mixing valve, the water mixing valve is a straight single-seat regulating valve for regulating and controlling the water mixing amount, only one valve core and one valve seat are arranged in the valve body, the sealing is easy to ensure, the leakage amount is small, and the water mixing valve is suitable for occasions with small leakage amount requirements.
A stuffing box is arranged between the water mixing valve gland assembly and the regulating valve rod, and stuffing in the stuffing box is flexible graphite, so that the graphite stuffing has the characteristics of good sealing property and self-lubricating property, corrosion resistance, high and low temperature resistance, small influence of temperature change and the like, and has the functions of preventing the medium from leaking outwards due to the movement of the valve rod and ensuring the sealing property of the water mixing valve.
The water mixing valve actuating mechanism is of a worm gear structure controlled by a motor, and the worm gear is driven to act through the rotation of the motor, and then the adjusting valve rod is driven to move up and down to realize the adjustment of the opening of the valve. Compared with the traditional spring type load structure, the actuating mechanism adopts the motor regulation and control system with ultralow power consumption and power supply by the lithium battery, and has low energy consumption and long continuous working time (more than 1 year). The actuating mechanism has short response time and quick action execution after receiving the signals, and is wider in adaptive pressure adjusting range and better in control precision. The motor is integrated in the meter head of the water mixing valve.
The water mixing valve controller converts the measured pressure into an electric signal through a pressure sensor and a temperature sensor behind the valve and transmits the electric signal to the water mixing valve gauge head, and the temperature signal detected by the temperature sensor is used as correction of pressure data. The controller carries out analysis processing through the singlechip, compares the measured pressure value with a set value, when the measured pressure is larger or smaller, the singlechip sends an instruction to a driving motor of the actuating mechanism, and the singlechip calculates the rotation amplitude of the motor through PID (proportion, integral and derivative) formulas according to the difference between the pressure value and the set value and the field experience and related formulas, wherein the larger the pressure value difference is, the larger the adjustment amplitude is, and the rotation amplitude of the motor controls the opening change of the valve. When the pressure value is higher than the set pressure range, the motor rotates to drive the adjusting valve rod to move upwards to increase the opening of the valve; when the pressure value is lower than the set pressure range, the motor rotates reversely, and the opening of the valve is reduced when the adjusting valve rod moves downwards. And detecting the pressure again after a period of time (30-60 seconds) is finished after the adjustment, checking whether the pressure is within a set range, and repeating the adjustment step if the pressure value is not within the set range until the pressure value is stabilized within the set range.
Taking the current water mixing condition of 1 water mixing oil well of a certain oil field as an example, the current water mixing pressure is 1.3MPa, the back pressure of the oil well is 0.45-0.5MPa, and the daily water mixing amount is 18.35m 3/d.
As shown in FIG. 5, the self-operated water mixing valve is arranged on the water mixing pipeline of the wellhead of the oil well in a bypass mode on the basis of not influencing the water mixing process of the original system. The self-operated water mixing valve adopts a flange type connection mode, and the adjusting valve rod is made of stainless steel, so that the self-operated water mixing valve is corrosion-resistant and durable; the adjusting valve rod is consistent with the cone center of the valve core, and the eccentric displacement is zero; the control range of the water mixing flow is 0.1-2m 3/h.
Self-operated watering valve parameter setting:
Caliber: DN40;
Design pressure: 2.5MPa;
Differential pressure before and after design: 1.5MPa;
Designing a flow range: 0.1m 3/h～2m3/h;
Rated CV value: 1.6;
valve throat diameter: 10mm;
Valve opening: 0-100%;
Pressure upper limit set value: 0.8MPa;
pressure lower limit set point: 0.45MPa;
target pressure set point: 0.65MPa.
The water-doped medium flows into the valve body from the inlet channel before the water-doped valve of the water-doped pipeline, and is output from the outlet channel after being throttled by the valve core component. The medium passes through a temperature sensor and a pressure sensor after the valve, the measured fluid temperature and pressure signals are converted into electric signals and transmitted to a meter head controller of the water mixing valve, the controller automatically calculates the difference between the set pressure and the detected pressure through a PID formula and then outputs the rotation amplitude of an actuating mechanism, and the actuating mechanism drives an adjusting valve rod to move up and down through the rotation of a motor, so that the opening degree of the valve is adjusted. The pressure data is detected by a pressure sensor after the medium passes through the valve, if the pressure (oil well back pressure) after the valve is higher than a set target value of 0.65MPa, a controller in the gauge head of the water mixing valve triggers an actuating mechanism to act, a motor of the actuating mechanism rotates to drive a worm wheel to pull an adjusting valve rod upwards, then a valve core is driven to move upwards, and the medium flow area in the valve body is increased, namely the opening degree of the valve is increased; the opening of the valve is increased, the water mixing amount is increased, and the back pressure of the oil well is reduced after the water mixing amount of the gathering and delivery system is increased, so that the purpose of stabilizing the back pressure of the system is achieved. If the pressure (oil well back pressure) behind the detection valve is lower than the set target value of 0.65MPa, the controller in the gauge head of the water mixing valve triggers the actuating mechanism to act, the worm wheel is driven to push the valve rod downwards through the reverse rotation of the motor of the actuating mechanism, and then the valve core is driven to displace downwards, so that the medium flow area in the valve body is reduced, namely the opening degree of the valve is reduced; the opening degree of the valve is reduced, the water mixing amount is reduced, and the purpose of controlling the water mixing amount is achieved under the condition of ensuring the back pressure of the oil well. And detecting the pressure again after a period of time (30-60 seconds) is finished after the adjustment, checking whether the pressure is within a set range, and repeating the adjustment step if the pressure value is not within the set range until the pressure value is stabilized within the set range.
According to the current running situation of the water mixing and gathering system, in order to ensure that the water mixing amount is generally larger in stable running of the system, the back pressure of an oil well is lower, the daily water mixing amount of the oil well can be saved by 2.63m 3/d under the condition that the back pressure of the oil well is controlled to be 0.65MPa through the adjustment control of a self-operated water mixing valve, the water mixing amount of a single well is reduced by about 14.3%, and the effects of better controlling the water mixing amount, stabilizing the water mixing pressure and reducing the running cost can be achieved.
In view of the foregoing, the present invention is not limited to the above-described embodiments, and other embodiments can be easily proposed by those skilled in the art within the scope of the technical teaching of the present invention, but such embodiments are included in the scope of the present invention.
Claims (6)
1. The utility model provides an oil well self-operated water mixing valve, including disk seat (1), inlet channel (1-1), outlet channel (1-2), case subassembly (2), gland subassembly (3), water mixing valve gauge outfit (5), a serial communication port, temperature sensor (8) and pressure sensor (9) are installed to outlet channel (1-2) front end behind the valve, install governing valve rod (6) in case subassembly (2), be equipped with sealed stuffing box (7) between governing valve rod (6) and gland subassembly (3) inner wall, governing valve rod (6) extend to water mixing valve gauge outfit (5) department and are connected with regulation actuating mechanism (4), actuating mechanism (4) are motor control's worm gear structure, drive worm wheel action through the motor rotation and drive again and adjust valve rod (6) up-and-down motion and realize the regulation of valve aperture.
2. The self-operated water mixing valve for oil well according to claim 1, wherein the motor (5-1) and the battery (5-2) of the actuator (4) are integrated in the water mixing valve gauge head (5).
3. The self-operated water-mixing valve for oil well according to claim 2, wherein the battery pack (5-2) adopts lithium-ion battery.
4. The self-priming valve of claim 1, wherein the priming valve is a straight single seat regulator valve.
5. The self-priming valve of claim 1, wherein said packing in said packing gland is flexible graphite.
6. The self-operated water mixing valve for oil well according to claim 1, wherein a controller is arranged in the meter head of the water mixing valve, the controller is used for receiving electric signals converted from fluid temperature and pressure signals measured by a temperature sensor and a pressure sensor after the valve, the controller calculates the difference between the set pressure and the detected pressure through PID proportion, integral and differential formulas and then outputs the motor rotation amplitude of an executing mechanism, and the executing mechanism drives an adjusting valve rod to move up and down through the rotation of the motor to adjust the opening of the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211326632.8A CN117948436A (en) | 2022-10-27 | 2022-10-27 | Self-operated water mixing valve for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211326632.8A CN117948436A (en) | 2022-10-27 | 2022-10-27 | Self-operated water mixing valve for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117948436A true CN117948436A (en) | 2024-04-30 |
Family
ID=90802045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211326632.8A Pending CN117948436A (en) | 2022-10-27 | 2022-10-27 | Self-operated water mixing valve for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117948436A (en) |
-
2022
- 2022-10-27 CN CN202211326632.8A patent/CN117948436A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018102939A1 (en) | Prefabricated pump station for tap water pressurization | |
| CN107237770B (en) | Energy-saving and efficiency-increasing control system of blower unit and working method thereof | |
| CN208519207U (en) | A kind of valve that can accurately adjust flow | |
| CN117948436A (en) | Self-operated water mixing valve for oil well | |
| CN202789588U (en) | Vertical type fire pump with pressure of water outlet adjustable | |
| CN214036885U (en) | Liquid level stabilizing system for oil tank of sealed oil floater of generator | |
| CN110319212A (en) | Adjustable pressure reduction orifice plate | |
| CN202747330U (en) | Boiler automatic-adjusting and variable-frequency water supplementing system | |
| CN214501386U (en) | Heat exchange station system | |
| CN215807901U (en) | Gas pressure regulating device with maintenance bypass | |
| CN213044547U (en) | Drip irrigation pipeline pressure regulating system and drip irrigation system with same | |
| CN211852130U (en) | Double-ring control system for stable operation of gas extraction pump | |
| CN109341791B (en) | Flow measuring device and method | |
| CN210134131U (en) | Blast furnace sealing circulating water system | |
| CN207814570U (en) | A kind of float-type inflow-rate of water turbine shut-off valve | |
| CN216555380U (en) | Automatic valve structure of fire-fighting pipeline | |
| CN205605930U (en) | Novel improve cage type adjusting valve of structure | |
| CN218883159U (en) | Self-operated balance valve | |
| CN215831211U (en) | Proportional control valve for water | |
| CN219711714U (en) | Automatic control system for hydroelectric power generation | |
| CN212274653U (en) | Open water cooling device | |
| CN220792248U (en) | Visual governing valve convenient to temperature measurement | |
| CN218063553U (en) | Double-control sleeve grinding wheel valve and intelligent flow regulation and control device | |
| CN216842362U (en) | Impeller online cleaning system for centrifugal air compressor | |
| CN203856591U (en) | Control device for preventing diesel cam rotor pump from cavitation erosion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |