CN216046895U - Manual-automatic integrated intelligent self-operated pressure regulator system - Google Patents
Manual-automatic integrated intelligent self-operated pressure regulator system Download PDFInfo
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- CN216046895U CN216046895U CN202122553560.8U CN202122553560U CN216046895U CN 216046895 U CN216046895 U CN 216046895U CN 202122553560 U CN202122553560 U CN 202122553560U CN 216046895 U CN216046895 U CN 216046895U
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Abstract
The utility model discloses a manual-automatic integrated intelligent self-operated pressure regulator system, and relates to the technical field of natural gas transmission and distribution pipeline systems. The pressure regulating device comprises a regulating component, a pressure regulating control cabinet, an outlet section pressure transmitter, a main pressure regulator and a director, wherein the regulating component is respectively connected with a solenoid valve and the pressure transmitter in the pressure regulating control cabinet and is used for collecting the pressure value of the pressure transmitter and controlling the on-off of the solenoid valve in the pressure regulating control cabinet. The utility model can set pressure for the main pressure regulator through the upper system of the data monitoring center, and the pressure of the self-operated pressure regulator is remotely regulated and controlled according to the designed pressure. The device can be controlled on site or remotely.
Description
Technical Field
The utility model relates to the technical field of natural gas transmission and distribution pipeline systems, in particular to a manual-automatic integrated intelligent self-operated pressure regulator system.
Background
The gas transmission and distribution system is similar to the electric power transmission and distribution system, the transmission and distribution system is used at high pressure and low pressure, the highest pressure of a general long transmission pipeline can reach 10MPa, the pressure of the use terminals of gas cookers, water heaters and the like used by users is only about 2KPa, the gas transmission and distribution system can meet the requirements of the final use terminals after 3-5 stages of pressure reduction, and the pressure reduction is completed through a pressure regulator, so the pressure regulator is an important component in the gas transmission and distribution system.
The form of voltage regulator is many, and the voltage regulator of current commonly used is the formula of relying on oneself voltage regulator that has the commander, has on this kind of formula of relying on oneself voltage regulator to get pressure mouth and drive pressure command mouth, and the formula of relying on oneself voltage regulator sets up on gas transmission pipeline during the use, and it is controlling to utilize gas around gas transmission and distribution system itself, realizes the pressure regulating, and this kind of formula of relying on oneself voltage regulator has need not outside control circuit and energy, simple structure, high durability and convenient use, steady voltage precision advantage such as high, but has following defect:
(1) when the pressure set value needs to be changed, the setting can only be completed through field manual operation, remote control cannot be realized, personnel must be arranged for field attendance, a large amount of manpower and material resources are consumed, the operation cost is increased, and meanwhile, due to the influence of human factors, the reliability, accuracy, monitoring performance and the like of operation are poor, and inconvenience is brought to maintenance and use;
(2) because fuel gas is a resource in short supply, sometimes the fuel gas needs to be allocated, the gas consumption of downstream users needs to be controlled, and the existing self-operated pressure regulator can only control one fixed outlet pressure, and cannot control the gas consumption, namely the flow, of the downstream users, thereby bringing difficulty to the allocation optimization of the fuel gas.
The state intellectual property office in 2018, 22.6.78, the utility model discloses a utility model patent of a publication number CN207527292U, the name is "pressure regulator that can remote control", this utility model patent comprises a major key part, a commander, a control unit triplex, control unit control commander sets for pressure, realize remote regulation, the commander design exists simultaneously for spring adjustment and gas regulation, can adjust on the spot, also can remote control adjusts, a predetermined pressure is set for in the operation spring adjustment, again carry out remote regulation on predetermined pressure's the basis, guarantee under the circumstances that control unit broke down, gas pipe network pressure also can keep more than predetermined pressure, guarantee the low reaches air feed, safe and reliable more. The control component in the utility model comprises a gas storage bag, a solenoid valve I, a solenoid valve II, a solenoid valve III, a solenoid valve IV and a pressure transmitter, wherein the pressure transmitter is connected with the gas storage bag and is used for measuring the gas pressure of the gas storage bag; the electromagnetic valve I is arranged on the air inlet pipeline; the air outlet of the air storage bag is communicated with the upper cavity of the commander through a control pipeline, and the electromagnetic valve II is arranged on the control pipeline; the upper cavity of the commander is communicated with the outside through an emptying pipeline, and the electromagnetic valve III is arranged on the emptying pipeline; the pressure relief port of the gas storage bag is communicated with the outside through a pressure relief pipeline, and the electromagnetic valve IV is arranged on the pressure relief pipeline.
But the defect that self-operated pressure regulator exists can be solved to remote control's among the above-mentioned prior art pressure regulator, but the control unit among the above-mentioned prior art is only through solenoid valve control air inlet pipeline, the break-make of pressure release pipeline and control pipeline, but when the sudden superpressure of gas pipe net front pressure, the solenoid valve of air inlet pipeline is directly opened, the superpressure gas can cause the pressure shock to the gas storage package, lead to the gas storage package pressure to increase in the twinkling of an eye, easily lead to the control unit trouble, can lead to the control unit accuse pressure inaccurate even, lead to the main part maloperation of adjusting. Meanwhile, the remote control voltage regulator in the prior art cannot modify the voltage regulation range, the control mode is single, and when the voltage regulation range needs to be modified, the adjustment is difficult, and one-key regulation cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that a control part in the prior art cannot realize accurate pressure control and cannot realize one-key quick regulation and control. The utility model discloses a manual-automatic integrated intelligent self-operated pressure regulator system which comprises a regulating part, a pressure regulating control cabinet, an outlet section pressure transmitter, a main pressure regulator and a director, wherein the regulating part is respectively connected with a solenoid valve and the pressure transmitter in the pressure regulating control cabinet and is used for collecting the pressure value of the pressure transmitter and controlling the on-off of the solenoid valve in the pressure regulating control cabinet. The utility model can set pressure for the main pressure regulator through the upper system of the data monitoring center, and the pressure of the self-operated pressure regulator is remotely regulated and controlled according to the designed pressure. The device can be controlled on site or remotely.
In order to solve the problems in the prior art, the utility model is realized by the following technical scheme:
the manual-automatic integrated intelligent self-operated pressure regulator system comprises a regulating component, a pressure regulating control cabinet, a self-operated pressure regulator and a director, wherein the director is connected with the self-operated pressure regulator, the self-operated pressure regulator is connected in a transmission and distribution pipeline, and an outlet section pressure transmitter is installed at an outlet section of the transmission and distribution pipeline; the pressure regulating control cabinet comprises a cabinet body, a buffer tank is arranged in the cabinet body, an air inlet pipeline, a pressure relief pipeline, a pressure regulating pipeline and a buffer tank pressure transmitter are respectively connected to the buffer tank, the inlet of the air inlet pipeline is connected to the inlet section of the transmission and distribution pipeline, an air inlet electromagnetic valve is arranged on the air inlet pipeline, at least two air inlet branches are arranged on the air inlet pipeline between the air inlet electromagnetic valve and the buffer tank, the air inlet branches are connected in parallel to the air inlet pipeline, and an air inlet branch electromagnetic valve is arranged on each air inlet branch; the pressure relief pipeline is provided with a pressure relief solenoid valve, at least two pressure relief branches are arranged on the pressure relief pipeline between the pressure relief solenoid valve and the buffer tank, the pressure relief branches are connected in parallel on the pressure relief pipeline, and each pressure relief branch is provided with a pressure relief branch solenoid valve; the outlet of the pressure regulating pipeline is connected to the commander; the self-operated pressure regulator is provided with a position sensor for monitoring the opening degree of the self-operated pressure regulator, and the position sensor, the outlet section pressure transmitter, the buffer tank pressure transmitter, the air inlet electromagnetic valve, the air inlet branch electromagnetic valve, the pressure relief electromagnetic valve and the pressure relief branch electromagnetic valve are all in communication connection with the regulating and controlling part.
The regulation and control part comprises a main controller and a touch display screen, and the position sensor, the outlet section pressure transmitter, the buffer tank pressure transmitter, the air inlet electromagnetic valve, the air inlet branch electromagnetic valve, the pressure relief electromagnetic valve and the pressure relief branch electromagnetic valve are all connected with the main controller through connecting interfaces.
The air inlet pipeline is also provided with an air inlet pressure regulator, and the air inlet pressure regulator is positioned on the air inlet pipeline at the rear end of the air inlet electromagnetic valve; the pressure relief pipeline is also provided with a pressure relief pressure regulator, and the pressure relief pressure regulator is positioned on the pressure relief pipeline at the front end of the pressure relief electromagnetic valve.
And the air inlet pipeline is provided with an air inlet filter, and the air inlet filter is positioned on the air inlet pipeline at the front end of the air inlet electromagnetic valve.
Still be equipped with air intake ball valve and intake pressure table on the intake pipe way, still be equipped with the buffer tank manometer on the buffer tank, still be equipped with pressure release ball valve and pressure release manometer on the pressure release pipeline.
The buffer tank is also provided with a discharge pipe, and a discharge ball valve is arranged on the discharge pipe.
The commander comprises a primary pressure regulating assembly, a primary commanding assembly and a secondary commanding assembly, and the outlet of the pressure regulating pipeline is respectively connected to the regulating spring cavities of the primary commanding assembly and the secondary commanding assembly; the first-stage pressure regulating assembly, the first-stage commanding assembly and the second-stage commanding assembly are sequentially connected, a gas source pressure inlet of the first-stage pressure regulating assembly is connected with an inlet section of the transmission and distribution pipeline, a control gas outlet of the second-stage commanding assembly is connected with a lower cavity of a diaphragm of a self-operated pressure regulator, an upper cavity of the diaphragm of the self-operated pressure regulator is connected with an outlet section of the transmission and distribution pipeline, and a gas outlet of the second-stage commanding assembly is connected with an outlet section of the transmission and distribution pipeline.
Position sensor includes pilot rod and position transmitter, the one end of pilot rod stretches into the diaphragm intracavity of self-operated voltage regulator and is connected with the diaphragm subassembly, the voltage regulator is worn out to the other end of pilot rod and is linked to each other with position transmitter.
Compared with the prior art, the beneficial technical effects brought by the utility model are as follows:
1. the regulating and controlling component can be connected with a remote upper system (a data monitoring center), receives a control signal of the remote upper system, and regulates and controls the pressure of the self-operated pressure regulator. The regulating and controlling part can also carry out on-site regulation and control, an operator carries out on-site pressure regulating setting on the regulating and controlling part, the regulating and controlling part controls the on-off of each electromagnetic valve in the pressure regulating control cabinet to realize the regulation of set pressure, and the self-operated pressure regulator can carry out self-operated regulation according to the pressure set on site. The manual-automatic integrated intelligent self-operated pressure regulator system of the utility model is an electric-pneumatic linkage combination consisting of an on-site electric instrument and a main controller in a regulating part, and the like, and is matched with a commander and a self-operated pressure regulator to realize the pressure regulating function, and can be controlled on site or remotely.
2. According to the utility model, the air inlet branch is arranged on the air inlet pipeline of the buffer tank, the pressure relief branch is arranged on the pressure relief pipeline, and the set gear adjustment of the adjusting and controlling part is realized through the matching of a plurality of air inlet branches and a plurality of pressure relief branches. For example, when two air inlet branches exist, if the flux of the electromagnetic valves on the two air inlet branches is the same, three gear adjustments exist, namely, two electromagnetic valves are fully opened, one is opened and the other is opened; if the flux of the electromagnetic valves on the two air inlet branches is different, four gear adjustment is performed, namely, the first gear is full-off, the second gear is small-flux, the third gear is full-on, the third gear is small-flux, and the fourth gear is double-off; the multi-gear air inlet adjustment is realized by controlling the on-off of the electromagnetic valves on the plurality of air inlet branches. Because the existence of air inlet branch, air inlet branch solenoid valve, pressure release branch and pressure release branch solenoid valve for gear regulation control can be predetermine to the regulation and control part, realizes a key regulation and control, can reach more accurate accuse pressure.
3. The regulating and controlling part is a conventional control part, generally comprises a main controller and an input/output touch display screen, is relatively conventional, has low cost and accurate control, and can realize the switching of various modes such as remote data transmission, local control, manual control and the like. The regulating and controlling part compares the air pressure value of the transmission and distribution pipeline and the air pressure value of the buffer tank with a set pressure value, then realizes the rising or falling regulation of the outlet pressure, and has simple program control.
4. The gas inlet pressure regulator is assembled on the gas inlet pipeline, the gas inlet pressure is controlled by adjusting an adjusting spring of the gas inlet pressure regulator, the impact of sudden pressure increase and drop in a gas pipe network on the buffer tank is reduced, and the effect of accurate pressure control is achieved. Meanwhile, the phenomenon that gas media of the buffer tank flow backwards into the gas pipe network due to the fact that the pressure of the buffer tank is larger than the upstream pressure of the gas pipe network is avoided, and the phenomenon that the gas media flow backwards into the buffer tank when the pressure of an outlet of a pressure relief pipeline is larger than the pressure of the buffer tank is also avoided. The situation that the pressure of the buffer tank is unstable due to the change of the gas circuit pressure can be reduced.
5. The air inlet filter is assembled in the air inlet pipeline, so that sand and stones in the medium entering the control cabinet can be filtered, and the situation that the pipeline in the control cabinet is blocked by the sand and stones carried in the medium is avoided.
6. According to the utility model, the air inlet ball valve, the air inlet pressure gauge, the buffer tank pressure gauge, the pressure relief ball valve and the pressure relief pressure gauge are assembled, so that manual control on site is facilitated for workers.
7. The buffer tank is provided with the discharge pipe and the discharge ball valve, and is beneficial to discharging impurities precipitated in the buffer tank.
Drawings
Fig. 1 is a diagram of a connection configuration of a voltage regulator system of the present invention;
FIG. 2 is a schematic structural diagram of the voltage regulation control cabinet of the present invention;
FIG. 3 is a cross-sectional view of an air inlet pressure regulator or a pressure relief pressure regulator in the pressure regulating control cabinet of the present invention;
FIG. 4 is a cross-sectional view of the connection structure of the commander and the self-operated pressure regulator according to the present invention;
reference numerals: 1. regulating and controlling part, 2, pressure regulating control cabinet, 3, self-operated pressure regulator, 4, director, 5, transmission and distribution pipeline, 6, inlet section, 7, outlet section, 8, outlet section pressure transmitter, 9, cabinet body, 10, buffer tank, 11, air inlet pipeline, 12, pressure relief pipeline, 13, pressure regulating pipeline, 14, buffer tank pressure transmitter, 15, air inlet solenoid valve, 16, air inlet branch, 17, air inlet branch solenoid valve, 18, pressure relief solenoid valve, 19, pressure relief branch, 20, pressure relief branch solenoid valve, 21, position sensor, 22, air inlet pressure regulator, 23, pressure relief pressure regulator, 24, air inlet filter, 25, air inlet ball valve, 26, air inlet pressure gauge, 27, buffer tank pressure gauge, 28, pressure relief ball valve, 29, pressure relief pressure gauge, 30, discharge pipe, 31, discharge ball valve, 32, primary pressure regulating component, 33, primary commanding component, 34, air inlet filter, 25, air inlet ball valve, air inlet pressure gauge, 27, buffer tank pressure gauge, 28, pressure relief ball valve, 29, discharge pipe, discharge ball valve, 32, discharge pipe, discharge valve, 33, primary commanding component, 34, and primary commanding component, A second-stage command component 35, an air source air pressure inlet 36, a control air outlet 37, a self-operated pressure regulator diaphragm upper cavity 38, a self-operated pressure regulator diaphragm lower cavity 39, an air outlet 40, an indicating rod 41, a position transmitter 42, a self-operated pressure regulator diaphragm cavity 43, a self-operated pressure regulator diaphragm component 44, a first-stage upper valve body 45, a first-stage lower valve body 46, a first-stage valve seat 47, a first-stage valve rod 48, a first-stage diaphragm component 49, an upper diaphragm cavity 50, a lower diaphragm cavity 51, a gas path structure I52, a through hole 53, a plug, 54, a gas path structure II, 55, a sliding sleeve 56, a first-stage spring 57, a valve cover 58, a middle valve body 59, a second-stage lower valve body 60, a second-stage valve port component 61, a second-stage valve rod 62, a gas path structure III, 63, a lower diaphragm 64, an upper diaphragm 65, a sealing seat 66, a lower diaphragm lower cavity 67 and a regulating spring, 68. adjusting screw assembly, 69, adjusting spring chamber.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the drawings and the specific embodiments. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As an implementation manner of this embodiment, referring to fig. 1 and fig. 2 of the specification, the implementation manner discloses a manual-automatic integrated intelligent self-operated pressure regulator 3 system, which includes a regulation and control component 1, a pressure regulation control cabinet 2, a self-operated pressure regulator 3 and a commander 4, wherein the commander 4 is connected with the self-operated pressure regulator 3, the self-operated pressure regulator 3 is connected in a transmission and distribution pipeline 5, and an outlet section pressure transmitter 8 is installed at an outlet section 7 of the transmission and distribution pipeline 5; the pressure regulating control cabinet 2 comprises a cabinet body 9, a buffer tank 10 is arranged in the cabinet body 9, an air inlet pipeline 11, a pressure relief pipeline 12, a pressure regulating pipeline 13 and a buffer tank pressure transmitter 14 are respectively connected onto the buffer tank 10, an inlet of the air inlet pipeline 11 is connected to an inlet section 6 of the transmission and distribution pipeline 5, an air inlet electromagnetic valve 15 is installed on the air inlet pipeline 11, at least two air inlet branches 16 are arranged on the air inlet pipeline 11 between the air inlet electromagnetic valve 15 and the buffer tank 10, the air inlet branches 16 are connected onto the air inlet pipeline 11 in parallel, and an air inlet branch electromagnetic valve 17 is assembled on each air inlet branch 16; a pressure relief solenoid valve 18 is installed on the pressure relief pipeline 12, at least two pressure relief branches 19 are arranged on the pressure relief pipeline 12 between the pressure relief solenoid valve 18 and the buffer tank 10, the pressure relief branches 19 are connected in parallel on the pressure relief pipeline 12, and each pressure relief branch 19 is provided with a pressure relief branch solenoid valve 20; the outlet of the pressure regulating pipeline 13 is connected to the commander 4; the self-operated pressure regulator 3 is provided with a position sensor 21 for monitoring the opening degree of the self-operated pressure regulator 3, and the position sensor 21, the outlet section pressure transmitter 8, the buffer tank pressure transmitter 14, the air inlet electromagnetic valve 15, the air inlet branch electromagnetic valve 17, the pressure relief electromagnetic valve 18 and the pressure relief branch electromagnetic valve 20 are all in communication connection with the regulation part 1.
As another embodiment of this embodiment, the regulating and controlling component 1 is connected to a remote (data monitoring center) upper system, receives a control signal from the remote upper system, and performs pressure regulation setting on the self-operated pressure regulator 3, and the regulating and controlling component 1 controls on/off of each electromagnetic valve in the pressure regulating control cabinet 2 according to the set pressure of the remote upper system, so as to realize the regulation of the set pressure, and the self-operated pressure regulator 3 can be regulated according to the set pressure.
As another embodiment of this embodiment, the regulating and controlling part 1 can also perform on-site regulation and control, an operator performs on-site pressure regulating setting on the regulating and controlling part 1, the regulating and controlling part 1 controls on/off of each electromagnetic valve in the pressure regulating control cabinet 2 to realize adjustment of set pressure, and the self-operated pressure regulator 3 can perform self-operated adjustment according to the pressure set on-site.
The input/output of the regulation and control component 1 is standard ModBus RTU and ModBus TCP protocols, and supports an RS485 interface and an RJ45 Ethernet interface. The regulating and controlling part 1 compares the air pressure value of the transmission and distribution pipeline 5 with the set pressure value, and then realizes the rising or falling regulation of the pressure of the outlet section 7.
The electrical characteristics of the regulating member 1 are: power supply, 50HZ 220VAC 500W; protection class IP 65; explosion proof grade Exd II BT 4; the regulating and controlling component 1 comprises a main controller and a touch display screen, and the position sensor 21, the outlet section pressure transmitter 8, the buffer tank pressure transmitter 14, the air inlet electromagnetic valve 15, the air inlet branch electromagnetic valve 17, the pressure relief electromagnetic valve 18 and the pressure relief branch electromagnetic valve 20 are connected with the main controller through connecting interfaces. Wherein, the main controller adopts a 32-bit high-speed microprocessor; the touch display screen is a color touch display screen and is integrated in the explosion-proof electronic control unit; the input/output modular configuration, the configuration parameters and the setting parameters have the power-down holding function; supporting ModBusTCP and ModBusRTU standard protocols; the method supports the setting of the outlet pressure of a pressure regulator of a pressure regulating system, the regulating precision of the outlet pressure of the pressure regulator and the setting period of the outlet pressure of the pressure regulator by upper software; and automatic hand switching is supported.
The pressure regulator outlet pressure settable value does not exceed the field allowable pressure regulator outlet pressure maximum value; when the system has a fault, the outlet pressure value of the pressure regulator can be selected, and the current value is kept or reduced to the minimum value of the outlet pressure of the pressure regulator set by the system when the system has the fault.
The pressure at the outlet of the pressure regulator can be set and adjusted by selecting a local/remote and manual/automatic selection switch on the regulating and controlling component 1 and selecting a local manual or automatic mode; the pressure at the outlet of the pressure regulator can be adjusted and set through the operation of a remote upper computer.
The remote control sets up three-gear control, and concretely control is as follows:
first, the intake ball valve 25 is opened, remote control is selected, and the remote control gear selects first gear, second gear, and third gear. When a gear is selected, a preset pressure value corresponding to the gear is called, an outlet section 7 pressure value of the transmission and distribution pipeline 5 is fed back through an outlet section pressure transmitter 8 at the rear end of the pressure regulator, the outlet section 7 pressure value is compared with the preset pressure value corresponding to the gear by the regulating and controlling component 1, and remote regulation and control of the pressure regulator are realized by controlling the opening (closing) of an air inlet electromagnetic valve 15 and an air inlet branch electromagnetic valve 17I; when the second gear is selected, the preset pressure value corresponding to the second gear is called, the pressure value of the outlet section 7 of the transmission and distribution pipeline 5 is fed back through the outlet section pressure transmitter 8 at the rear end of the pressure regulator, the regulating and controlling component 1 compares the pressure value of the outlet section 7 with the preset pressure value corresponding to the second gear, and remote regulation and control of the pressure regulator are realized by controlling the opening (closing) of the air inlet electromagnetic valve 15 and the air inlet branch electromagnetic valve 17 II; when the third gear is selected, the preset pressure value corresponding to the third gear is called, the pressure value of the outlet section 7 of the transmission and distribution pipeline 5 is fed back through the outlet section pressure transmitter 8 at the rear end of the pressure regulator, the regulating and controlling component 1 compares the pressure value of the outlet section 7 with the preset pressure value corresponding to the third gear, and the pressure regulator is remotely regulated and controlled by controlling the opening (closing) of the air inlet electromagnetic valve 15, the air inlet branch electromagnetic valve 17I and the air inlet branch electromagnetic valve 17 II.
In order to improve the remote control precision of the pressure regulator, the pressure regulating control cabinet 2 is provided with a buffer tank 10 and a safe relief pipeline 12, and a position sensor 21 is arranged on the pressure regulator body and used for monitoring the opening of the pressure regulator; when the pressure of the buffer tank 10 reaches a specified upper limit value, an alarm is given, when the upper limit value is reached, the pressure relief solenoid valve 18 is opened, when the first gear is selected, the first pressure relief branch solenoid valve 20 is opened, when the second gear is selected, the second pressure relief branch solenoid valve 20 is opened, and when the third gear is selected, the first pressure relief branch solenoid valve 20 and the second pressure relief branch solenoid valve 20 are opened.
Furthermore, as another embodiment of the present embodiment, an intake pressure regulator 22 is further mounted on the intake pipe 11, and the intake pressure regulator 22 is located on the intake pipe 11 at the rear end of the intake solenoid valve 15; the pressure relief pipeline 12 is further provided with a pressure relief pressure regulator 23, and the pressure relief pressure regulator 23 is positioned on the pressure relief pipeline 12 at the front end of the pressure relief electromagnetic valve 18. The air inlet pressure regulator 22 is assembled on the air inlet pipeline 11, the air inlet pressure is controlled by adjusting the adjusting spring 67 of the air inlet pressure regulator 22, the impact of sudden pressure increase and drop in a gas pipe network on the buffer tank 10 is reduced, and the effect of accurate pressure control is achieved. Meanwhile, the phenomenon that the gas medium in the buffer tank 10 is reversed to the gas pipe network due to the fact that the pressure of the buffer tank 10 is larger than the upstream pressure of the gas pipe network is avoided, and the phenomenon that the gas medium is reversed to the buffer tank 10 when the pressure of the outlet of the pressure relief pipeline 12 is larger than the pressure of the buffer tank 10 is also avoided. The unstable pressure of the buffer tank 10 caused by the variation of the gas circuit pressure can be reduced.
As shown in fig. 3, air inlet pressure regulator 22 and pressure relief pressure regulator 23 all include one-level pressure regulating subassembly 32 and second grade pressure regulating subassembly, one-level pressure regulating subassembly 32 links to each other with the second grade pressure regulating subassembly, sets up the air inlet on the one-level pressure regulating subassembly 32, sets up the gas outlet on the second grade pressure regulating subassembly.
The primary pressure regulating assembly 32 comprises a primary upper valve body 44, a primary lower valve body 45, a primary valve seat 46, a primary valve rod 47 and a primary diaphragm assembly 48, wherein the primary diaphragm assembly 48 is fixed between the primary upper valve body 44 and the primary lower valve body 45 and divides a cavity between the primary upper valve body 44 and the primary lower valve body 45 into an upper diaphragm cavity 49 and a lower diaphragm cavity 50; an air path structure I51 communicated with the upper diaphragm 64 is formed in the first-stage upper valve body 44; the primary lower valve body 45 is provided with a through hole 52, the bottom of the through hole 52 is blocked by a plug 53, the upper end of the through hole 52 is communicated with the lower film cavity 50, the side wall of the primary lower valve body 45 is provided with an air inlet communicated with the through hole 52, and the primary lower valve body 45 is also provided with an air passage structure II 54 communicated with the lower film cavity 50; a sliding sleeve 55 is arranged in the through hole 52, the primary valve seat 46 is arranged at the top end of the plug 53, the upper end of the primary valve rod 47 is connected with the primary diaphragm assembly 48, the lower end of the primary valve rod 47 penetrates through the sliding table to be matched and sealed with the primary valve seat 46, and the primary valve rod 47 is hollow; a primary spring 56 is disposed between the primary diaphragm assembly 48 and the sliding sleeve 55.
The secondary pressure regulating component comprises a valve cover 57, a middle valve body 58, a secondary lower valve body 59, a secondary valve port piece 60 and a secondary valve rod 61, the secondary valve port piece 60 penetrates into the middle valve body 58 from the side wall of the middle valve body 58, and an air path structure III 62 communicated with an air path structure I51 on a primary upper valve body 44 in the primary pressure regulating component 32 is arranged on the secondary valve port piece 60; a lower diaphragm 63 is assembled between the secondary lower valve body 59 and the middle valve body 58, an upper diaphragm 64 is assembled between the middle valve body 58 and the valve cover 57, the upper end of the secondary valve rod 61 is fixed on the upper diaphragm 64, the lower end of the secondary valve rod 61 is fixed on the lower diaphragm 63, and a sealing seat 65 matched with the valve port of the secondary valve port member 60 is arranged on the secondary valve rod 61; the lower diaphragm lower cavity 66 is communicated with the air outlet and the lower diaphragm cavity 50 of the primary pressure regulating part; the cavity between the upper diaphragm 64 and the lower diaphragm 63 is communicated with the air outlet; an adjusting spring 67 is arranged in the valve cover 57, the adjusting spring 67 acts on the top end of the secondary valve rod 61, and an adjusting screw assembly 68 is arranged at the top end of the valve cover 57 to adjust the pressure of the adjusting spring 67.
As another embodiment of the present embodiment, an intake filter 24 is mounted on the intake pipe 11, and the intake filter 24 is located on the intake pipe 11 at the front end of the intake solenoid valve 15. An air inlet filter 24 is arranged in the air inlet pipeline 11, which can filter sand and the like in the medium entering the control cabinet and avoid blocking each pipeline in the control cabinet due to the sand and the like carried in the medium.
The air inlet pipeline 11 is further provided with an air inlet ball valve 25 and an air inlet pressure gauge 26, the buffer tank 10 is further provided with a buffer tank pressure gauge 27, and the pressure relief pipeline 12 is further provided with a pressure relief ball valve 28 and a pressure relief pressure gauge 29. And an air inlet ball valve 25, an air inlet pressure gauge 26, a buffer tank pressure gauge 27, a pressure relief ball valve 28 and a pressure relief pressure gauge 29 are assembled, so that manual control on site is facilitated for workers.
The buffer tank 10 is also provided with a discharge pipe 30, and a discharge ball valve 31 is arranged on the discharge pipe 30. Helping to discharge impurities precipitated in the buffer tank 10.
As shown in fig. 4, the commander 4 includes a primary pressure regulating assembly 32, a primary commanding assembly 33 and a secondary commanding assembly 34, and the outlets of the pressure regulating pipelines 13 are respectively connected to the regulating spring cavities 69 of the primary commanding assembly 33 and the secondary commanding assembly 34; the first-stage pressure regulating assembly 32, the first-stage commanding assembly 33 and the second-stage commanding assembly 34 are sequentially connected, a gas source air pressure inlet 35 of the first-stage pressure regulating assembly 32 is connected with an inlet section 6 of the transmission and distribution pipeline 5, a control gas outlet 36 of the second-stage commanding assembly 34 is connected with a self-operated pressure regulator diaphragm lower cavity 38, a self-operated pressure regulator diaphragm upper cavity 37 is connected with an outlet section 7 of the transmission and distribution pipeline 5, and a gas outlet 39 of the second-stage commanding assembly 34 is connected with an outlet section 7 of the transmission and distribution pipeline 5. The first-stage commanding component 33 and the second-stage commanding component 34 of the commander 4 are similar to the second-stage pressure regulating components of the air inlet pressure regulator 22 and the pressure relief pressure regulator 23 in structure.
Furthermore, position sensor 21 includes indicator rod 40 and position transmitter 41, the one end of indicator rod 40 stretches into the diaphragm intracavity of self-operated pressure regulator 3 and is connected with the diaphragm subassembly, the other end of indicator rod 40 is worn out the pressure regulator and is linked to each other with position transmitter 41.
Claims (8)
1. A manual-automatic integrated intelligent self-operated pressure regulator (3) system comprises a regulation part (1), a pressure regulation control cabinet (2), a self-operated pressure regulator (3) and a commander (4), wherein the commander (4) is connected with the self-operated pressure regulator (3), the self-operated pressure regulator (3) is connected in a transmission and distribution pipeline (5), and an outlet section pressure transmitter (8) is installed at an outlet section (7) of the transmission and distribution pipeline (5); the method is characterized in that: the pressure regulating control cabinet (2) comprises a cabinet body (9), wherein a buffer tank (10) is arranged in the cabinet body (9), the buffer tank (10) is respectively connected with an air inlet pipeline (11), a pressure relief pipeline (12), a pressure regulating pipeline (13) and a buffer tank pressure transmitter (14), an inlet of the air inlet pipeline (11) is connected with an inlet section (6) of the transmission and distribution pipeline (5), an air inlet electromagnetic valve (15) is installed on the air inlet pipeline (11), at least two air inlet branches (16) are arranged on the air inlet pipeline (11) between the air inlet electromagnetic valve (15) and the buffer tank (10), the air inlet branches (16) are connected in parallel on the air inlet pipeline (11), and each air inlet branch (16) is provided with an air inlet branch electromagnetic valve (17); a pressure relief solenoid valve (18) is installed on the pressure relief pipeline (12), at least two pressure relief branches (19) are arranged on the pressure relief pipeline (12) between the pressure relief solenoid valve (18) and the buffer tank (10), the pressure relief branches (19) are connected in parallel on the pressure relief pipeline (12), and each pressure relief branch (19) is provided with a pressure relief branch solenoid valve (20); the outlet of the pressure regulating pipeline (13) is connected to the commander (4); be equipped with position sensor (21) of monitoring self-operated pressure regulator (3) aperture on self-operated pressure regulator (3), position sensor (21), export section pressure transmitter (8), buffer tank pressure transmitter (14), air inlet solenoid valve (15), branch road solenoid valve (17), pressure release solenoid valve (18) and pressure release branch road solenoid valve (20) all with regulation and control part (1) communication is connected.
2. A manual-automatic intelligent self-operated pressure regulator (3) system according to claim 1, characterized in that: the regulation and control part (1) comprises a main controller and a touch display screen, and the position sensor (21), the outlet section pressure transmitter (8), the buffer tank pressure transmitter (14), the air inlet electromagnetic valve (15), the air inlet branch electromagnetic valve (17), the pressure relief electromagnetic valve (18) and the pressure relief branch electromagnetic valve (20) are all connected with the main controller through connecting interfaces.
3. A manual-automatic integrated intelligent self-operated pressure regulator (3) system according to claim 1 or 2, characterized in that: the air inlet pipeline (11) is also provided with an air inlet pressure regulator (22), and the air inlet pressure regulator (22) is positioned on the air inlet pipeline (11) at the rear end of the air inlet electromagnetic valve (15); the pressure relief pipeline (12) is further provided with a pressure relief pressure regulator (23), and the pressure relief pressure regulator (23) is located on the pressure relief pipeline (12) at the front end of the pressure relief electromagnetic valve (18).
4. A manual-automatic intelligent self-operated pressure regulator (3) system according to claim 1, characterized in that: and an air inlet filter (24) is assembled on the air inlet pipeline (11), and the air inlet filter (24) is positioned on the air inlet pipeline (11) at the front end of the air inlet electromagnetic valve (15).
5. A manual-automatic intelligent self-operated pressure regulator (3) system according to claim 1, characterized in that: still be equipped with air inlet ball valve (25) and air intake pressure table (26) on air inlet pipeline (11), still be equipped with buffer tank manometer (27) on buffer tank (10), still be equipped with pressure release ball valve (28) and pressure release manometer (29) on pressure release pipeline (12).
6. A manual-automatic intelligent self-operated pressure regulator (3) system according to claim 1, characterized in that: the buffer tank (10) is also provided with a discharge pipe (30), and a discharge ball valve (31) is arranged on the discharge pipe (30).
7. A manual-automatic intelligent self-operated pressure regulator (3) system according to claim 1, characterized in that: the commander (4) comprises a primary pressure regulating assembly (32), a primary commanding assembly (33) and a secondary commanding assembly (34), and the outlet of the pressure regulating pipeline (13) is respectively connected to a regulating spring cavity (69) of the primary commanding assembly (33) and the secondary commanding assembly (34); one-level pressure regulating subassembly (32), one-level commander subassembly (33) and second grade commander subassembly (34) link to each other in proper order, defeated distribution pipeline (5) import section (6) are connected in air supply pressure import (35) of one-level pressure regulating subassembly (32), self-operated pressure regulator diaphragm lower chamber (38) is connected in control gas outlet (36) of second grade commander subassembly (34), defeated distribution pipeline (5) export section (7) are connected in self-operated pressure regulator diaphragm upper chamber (37), defeated distribution pipeline (5) export section (7) are connected in gas outlet (39) of second grade commander subassembly (34).
8. A manual-automatic intelligent self-operated pressure regulator (3) system according to claim 1, characterized in that: position sensor (21) are including indicating rod (40) and position transmitter (41), the one end of indicating rod (40) stretches into in self-operated pressure regulator diaphragm chamber (42) and is connected with self-operated pressure regulator diaphragm subassembly (43), the other end of indicating rod (40) is worn out self-operated pressure regulator (3) and is linked to each other with position transmitter (41).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122553560.8U CN216046895U (en) | 2021-10-22 | 2021-10-22 | Manual-automatic integrated intelligent self-operated pressure regulator system |
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| CN202122553560.8U CN216046895U (en) | 2021-10-22 | 2021-10-22 | Manual-automatic integrated intelligent self-operated pressure regulator system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789523A (en) * | 2023-02-07 | 2023-03-14 | 乐山川天燃气输配设备有限公司 | Gas transmission and distribution pipe network with remote cut-off function |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789523A (en) * | 2023-02-07 | 2023-03-14 | 乐山川天燃气输配设备有限公司 | Gas transmission and distribution pipe network with remote cut-off function |
| CN115789523B (en) * | 2023-02-07 | 2023-05-26 | 乐山川天燃气输配设备有限公司 | Gas transmission and distribution pipe network with remote cut-off function |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Manual automatic intelligent self operated voltage regulator system Effective date of registration: 20220926 Granted publication date: 20220315 Pledgee: Leshan Branch of Zheshang Bank Co.,Ltd. Pledgor: SICHUAN CHANGYI OIL-GAS GATHERING TRANSPORTATION EQUIPMENT CO.,LTD. Registration number: Y2022980016202 |
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