CN219954275U - Valve capable of intelligently adjusting/cutting off gas flow - Google Patents
Valve capable of intelligently adjusting/cutting off gas flow Download PDFInfo
- Publication number
- CN219954275U CN219954275U CN202321088996.7U CN202321088996U CN219954275U CN 219954275 U CN219954275 U CN 219954275U CN 202321088996 U CN202321088996 U CN 202321088996U CN 219954275 U CN219954275 U CN 219954275U
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- control system
- manual
- hydraulic
- 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.)
- Active
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000003860 storage Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- 230000005489 elastic deformation Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a valve capable of intelligently regulating/cutting off gas flow, which is characterized by comprising a valve body and an intelligent control system, wherein the intelligent control system comprises a hydraulic system and a control system, a pipeline of the hydraulic system is connected with a hydraulic pipe of the valve body, the control system controls the liquid flow in the pipeline of the hydraulic system so as to control a conical valve core to move up and down along with the liquid level of a sealing valve liquid in a valve body, so as to regulate or cut off the valve for conveying the gas flow, and the valve has the beneficial effects that: the valve can cut off flow or regulate flow, intelligent control can realize monitoring, tracking and inquiring at any time, the valve is reliably closed, flow regulation is stable, linear characteristics are good, and meanwhile, double sealing is adopted, and liquid level sealing and elastic deformation sealing of the valve core and the valve seat are adopted, so that sealing performance is realized.
Description
Technical Field
The utility model relates to the technical field of gas flow valves, in particular to an intelligent gas flow regulating/cutting-off valve.
Background
In the pipeline transportation process of toxic, harmful, inflammable and explosive gas, the valve cuts off the gas flow, the gas valve needs to be cut off fast, the sealing is reliable, and the leakage of the toxic, harmful, inflammable and explosive gas is prevented.
The traditional valve is leaked due to the fact that the valve is cut off disadvantageously, so that production safety accidents occur, personnel on site are greatly damaged, surrounding facilities are damaged to a certain extent, surrounding environment is polluted, enterprises are forced to stop working, and huge economic losses are incurred.
Disclosure of Invention
The utility model provides an intelligent valve for regulating/cutting off gas flow, which adopts double cutting-off design and intelligent control to solve the technical problems of difficult sealing of valve cutting-off faults, and has the advantages of good sealing performance, reliable closing, reliable flow regulating function, good linear characteristic, high accuracy, good dynamic response and high self-control operation safety.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the intelligent control system comprises a hydraulic system and a control system, wherein a pipeline of the hydraulic system is connected with a hydraulic pipe of the valve body, and the control system controls the liquid flow in the pipeline of the hydraulic system so as to control a conical valve core to move up and down along with the liquid level of a sealing valve liquid in a valve body to regulate or cut off the valve for conveying the gas to flow.
The valve body include flange bolt subassembly, go up flange sealing member, valve body, seal valve liquid, disk seat sealing member, toper case, porous sleeve, disk seat, lower flange bolt subassembly, lower flange sealing member, lower flange, level sensor, joint, hydropipe, last flange pass through flange bolt subassembly and install the valve body top, seal through last flange sealing member, the valve body in contain and seal valve liquid, the inside processing disk seat of valve body, disk seat lower part installation porous sleeve, porous sleeve internally mounted toper case, the lower part spheroid circumference size of toper case is greater than disk seat circumference size, toper case is suspended on sealing valve liquid level, seal through disk seat sealing member between disk seat and the porous sleeve, the valve body lower part pass through lower flange bolt subassembly and install lower flange, seal through lower flange sealing member, lower flange terminal surface installation level sensor, joint and hydropipe.
The hydraulic system comprises a liquid storage tank, a filter, a variable frequency pump, a first check valve, a stop valve, a manual hydraulic control switching valve, a pressure sensor, an energy accumulator, a locking solenoid valve, a proportional valve, a second check valve, a third check valve, a manual reversing valve, a pressure gauge switching valve, a fourth check valve, an overflow valve and a manual pump, wherein the liquid storage tank is respectively provided with a pipeline of an automatic control system and a pipeline of the manual control system, the filter and the variable frequency pump are arranged on the pipeline of the automatic control system, the variable frequency pump is connected with the first check valve through the pipeline, the manual hydraulic control switching valve is arranged on an outlet pipeline of the check valve, the pressure gauge switching valve, the pressure gauge, the pressure sensor and the energy accumulator are arranged on an outlet pipeline of the manual hydraulic control switching valve through the pipeline connection, the proportional valve is arranged on an outlet pipeline of the locking solenoid valve, the proportional valve outlet pipeline is provided with a second check valve, the manual control system pipeline is provided with a filter and a manual pump, the manual pump outlet pipeline is provided with a fourth check valve, the fourth check valve is provided with a manual reversing valve, a pressure gauge switching valve and a pressure gauge are arranged between the fourth check valve and the manual reversing valve, the outlet pipeline of the manual reversing valve is provided with a third check valve, the second check valve and the third check valve are both arranged on a hydraulic pipe at the lower end of the valve, a public pipeline is arranged between the automatic control system and the automatic control system, the manual hydraulic control switching valve, the locking electromagnetic valve, the proportional valve and the manual reversing valve are all connected with the public pipeline through interfaces, the manual hydraulic control switching valve and the public pipeline are provided with stop valves for controlling the flow direction of liquid, and overflow valves are arranged between the manual control system pipeline and the automatic control system pipeline as well as the public pipeline for controlling the flow.
The control system receives a section of control signal of 4mA-20mA sent by the remote control terminal and a section of liquid level signal of 4mA-20mA output by the liquid level sensor, inputs the control signal into the controller for comparison, and outputs a current signal for controlling the action of the hydraulic system according to the obtained comparison result through PID operation and power amplification.
The automatic control system and the manual control system are connected in parallel to the hydraulic system, the hydraulic system daily operates the automatic control system, and the manual control system is operated when the automatic control system is overhauled or damaged.
The conical valve core adopts a cone and sphere combined structure, the cone angle is 60 degrees, the surface of the cone sphere is treated by glue, and the interior of the cone sphere is hollow.
The sealing pressure between the conical valve core and the valve seat is F=P/sin 30 degrees=2P
Wherein: f, sealing pressure;
p-liquid thrust.
The porous sleeve is of a porous cage type design.
Compared with the prior art, the utility model has the beneficial effects that:
1. the adopted conical spherical valve core has the advantages of good stability in the valve body, accurate displacement direction, good elastic deformation, easy sealing, increased buoyancy force applied to the valve core, elastic deformation of the rubber lining surface of the valve core, enhanced turn-off reliability, and adoption of the porous cage sleeve type structure, avoids vortex phenomenon and reduces noise.
2. The intelligent control can realize the functions of protecting the position or cutting off, can realize the abnormal alarm of pressure and temperature, and can realize monitoring, tracking and inquiring at any time.
3. The valve can cut off the flow and also can adjust the flow, the valve is reliable in closing, stable in flow adjustment and good in linear characteristic, meanwhile, double sealing is adopted, and the liquid level sealing and the valve core and the valve seat are elastically deformed and sealed, so that the sealing performance is high.
Drawings
Fig. 1 is a schematic view of a valve body structure for intelligently adjusting/cutting off gas flow according to the present utility model.
Fig. 2 is a diagram of a valve hydraulic system for intelligently regulating/shutting off gas flow according to the present utility model.
Fig. 3 is a schematic diagram of a valve control system for intelligently regulating/shutting off gas flow in accordance with the present utility model.
Fig. 4 is a valve control cycle diagram of an intelligent regulation/shut-off gas flow according to the present utility model.
Fig. 5 is a schematic diagram of a fully opened valve for intelligently regulating/shutting off gas flow according to the present utility model.
Fig. 6 is a schematic diagram of a valve closed state for intelligently adjusting/shutting off the gas flow according to the present utility model.
Fig. 7 is a schematic diagram of a valve sealing state for intelligently adjusting/cutting off gas flow according to the utility model.
Fig. 8 is a schematic view showing a state of lowering the liquid level of a valve for intelligently adjusting/shutting off the flow of gas according to the present utility model.
Fig. 9 is a schematic diagram of a valve cone for intelligently regulating/shutting off gas flow according to the present utility model.
In the figure: 1. upper flange bolt assembly 2, upper flange 3, upper flange sealing element 4, valve body 5 and valve sealing liquid
6. Valve seat seal 7, conical valve core 8, porous sleeve 9, valve seat 10, lower flange bolt assembly
11. Lower flange sealing element 12, lower flange 13, liquid level sensor 14, joint 15, hydraulic pipe 16 and liquid storage tank
17. Filter 18, frequency conversion pump 19, stop valve 20, one-way valve 21, manual hydraulic control switching valve 22 and pressure sensor
23. The accumulator 24, the locking solenoid valve 25, the proportional valve 26, the one-way valve two 27, the one-way valve three 28 and the manual reversing valve
29. Pressure gauge 30, pressure gauge switch valve 31, one-way valve four 32, relief valve 33, manual pump 34, ball
35. Cone A, liquid B, gas
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1, 2 and 3, a valve for intelligently adjusting/cutting off gas flow comprises a valve body and an intelligent control system, wherein the intelligent control system comprises a hydraulic system and a control system, a pipeline of the hydraulic system is connected with a hydraulic pipe 15 of the valve body, the control system controls the liquid flow in the pipeline of the hydraulic system so as to control a conical valve core 7 to move up and down along with the liquid level of a sealing valve liquid 5 in a valve body 4, so as to adjust or cut off the valve for conveying gas flow, and the working principle is as follows: the remote control terminal sends a section of 4mA-20mA control signal and a 4mA-20mA liquid level signal output by the liquid level sensor 13 are input into the controller together for comparison, a current signal for controlling the action of the hydraulic system is output according to the obtained comparison result through PID operation and power amplification, the current signal drives the electro-hydraulic proportional valve 25 to enable the hydraulic system to act, liquid A in the hydraulic system flows, the liquid level in the valve body 4 moves up and down, the liquid level signal is transmitted back to the control system through the liquid level sensor 13 to form a control signal closed loop, finally the liquid level is located at a stable position of a designated command, and the conical valve core 7 forms dynamic balance at a working condition position, so that the flow regulation and gas cutting-off of conveying gas in the gas valve are realized.
As shown in figure 1, the valve body comprises an upper flange bolt assembly 1, an upper flange 2, an upper flange sealing element 3, a valve body 4, a sealing valve liquid 5, a valve seat sealing element 6, a conical valve core 7, a porous sleeve 8, a valve seat 9, a lower flange bolt assembly 10, a lower flange sealing element 11, a lower flange 12, a liquid level sensor 13, a joint 14 and a hydraulic pipe 15, wherein the upper flange 2 is mounted on the top of the valve body 4 through the upper flange bolt assembly 1, is sealed through the upper flange sealing element 3, the upper flange sealing element 3 between the upper flange 2 and the valve body 4 is tightly sealed to prevent gas B entering the valve from leaking from the upper flange 2, the valve body 4 is internally provided with the sealing valve liquid 5, the valve seat 4 is internally provided with the valve seat 9, the lower part of the valve seat 9 is internally provided with the porous sleeve 8, the conical valve core 7 is internally provided with the conical valve core 7, the lower part of the spherical body 31 of the conical valve core 7 is larger than the circumferential size of the valve seat 9, the conical valve core 7 is suspended on the valve seat 5, the liquid level of the valve core 5 is discharged through the porous sleeve 8 after entering the valve, the liquid level of the sealing valve 5 is lifted through the hydraulic pipe 15, the liquid level of the sealing valve 5 is lifted through the valve, the liquid level 5 is stopped through the valve seat 5, the valve body is lifted through the valve seat 5, the valve seat is stopped through the valve seat 5, the valve seat is covered by the valve seat 2 and the valve seat is closed through the valve seat 9, the valve seat 9 is lifted through the valve seat 9, the valve seat is closed by the valve seat 9 and the valve seat 9, the valve seat is sealed by the valve body and the valve body 9. The lower flange sealing piece 11 is used for sealing, the end face of the lower flange 12 is provided with a liquid level sensor 13, a joint 14 and a hydraulic pipe 15, the liquid level sensor 13 transmits an electric signal of the liquid level position to a control system in the intelligent control system, the control system compares and calculates the electric signal of the liquid level with a remote control signal, and according to the obtained comparison result, a current signal for controlling the action of the hydraulic system is output to control liquid A in a pipeline of the hydraulic system, so that the opening, closing and flow regulation of the valve body are controlled.
As shown in fig. 2, the hydraulic system comprises a liquid storage tank 16, a filter 17, a variable frequency pump 18, a first check valve 20, a stop valve 19, a manual hydraulic control switching valve 21, a pressure sensor 22, an energy accumulator 23, a locking solenoid valve 24, a proportional valve 25, a second check valve 26, a third check valve 27, a manual reversing valve 28, a pressure gauge 29, a pressure gauge switching valve 30, a fourth check valve 31, an overflow valve 32 and a manual pump 33, wherein the liquid storage tank 16 is respectively provided with a pipeline of an automatic control system and a pipeline of the manual control system, the filter 17 and the variable frequency pump 18 are arranged on the pipeline of the automatic control system, the variable frequency pump 18 is a power source in the automatic control pipeline, liquid A in the liquid storage tank 16 is required to be filtered through the filter 17, liquid A impurities in the pipeline are required to be removed, liquid A in the pipeline is required to be filtered by the filter 17, liquid A in the liquid storage tank 16 is required to be filtered by the filter 17 to enter the pipeline, the variable frequency pump 18 is connected with the first check valve 20 through a pipeline, the manual hydraulic control switching valve 21 is arranged at the outlet pipeline of the first check valve 20, the manual hydraulic control switching valve 21 is connected with the pressure meter switching valve 30, the pressure meter 29, the pressure sensor 22 and the energy accumulator 23 through pipelines, the energy accumulator 23 supplies energy to the pressure sensor 22, the pressure meter 29 displays the pressure in the whole self-control pipeline, whether the self-control pipeline leaks or not is monitored, the valve opening and closing are avoided, if the pressure meter 29 displays the pressure is overlarge, the relief valve 32 is used for relieving the pressure, the locking solenoid valve 24 is arranged at the outlet pipeline of the manual hydraulic control switching valve 21, the locking solenoid valve 24 automatically cuts off the upward flow when the power fails, the liquid A returns to the liquid storage tank 16 through the unloading relief valve 32, the locking solenoid valve 24 is provided with the proportional valve 25 through the pipeline, the second check valve 26 is arranged on the proportional valve 25, the outlet pipeline of the second check valve 26 is connected with the hydraulic pipe 15 at the lower end of the valve body, the second check valve 26 is only responsible for providing liquid A for the valve, prevent liquid A from flowing backward, prevent the accident that influences valve opening and closing and flow control from producing, strict control precision, liquid A flows backward and is connected with proportional valve 25 through the pipeline directly, manual system pipeline on install filter and manual pump 33, install check valve IV 31 on the manual pump 33 outlet pipe, install manual switching valve 28 on the check valve IV 31 outlet pipe, install manometer ooff valve 30 and manometer 29 between check valve IV 31 and the manual switching valve 28, install check valve III 27 on the outlet pipe of manual switching valve 28, when the switching and flow control of valve can not be accomplished by the automatic control system, operating personnel can manual control valve opening and closing and flow control, check valve II 26 and check valve III 27 all install on the hydraulic pipe 15 of valve lower extreme, automatic control system and automatic control system between have a public pipeline, manual liquid accuse switching valve 21, the solenoid valve 24, proportional valve 25 and manual switching valve 28 all have the interface to be connected with public pipeline, public pipeline and automatic control system pipeline, guarantee that the control system pipeline is connected with the control system pipeline, when the switching valve A can be opened and shut down valve and flow control valve 19 can be opened and shut down to the valve in order to guarantee that the problem exists in the manual control system is continued to be installed to the manual control system, and the control valve is connected to the control valve has the public control valve to the control valve to the valve and the control valve has the problem.
As shown in FIG. 3, the control system receives a control signal of 4mA-20mA sent by the remote control terminal and a liquid level signal of 4mA-20mA output by the liquid level sensor 13, inputs the control signal into the controller for comparison, and outputs a current signal for controlling the action of the hydraulic system according to the obtained comparison result through PID operation and power amplification.
As shown in figure 2, the automatic control system and the manual control system are connected in parallel to the hydraulic system, the hydraulic system daily operates the automatic control system, and the manual control system is operated when the automatic control system is overhauled or damaged.
As shown in FIG. 9, the conical valve core 7 adopts a combination structure of a cone 35 and a sphere 34, the cone 35 is at an angle of 60 degrees, the sealing force is increased, 2 times of pressure is generated with the sealing surface of the valve seat 9 under the same thrust of liquid A, the surface of the cone sphere is treated by glue, the elastic deformation is good, the sealing is easy, the hollow design in the cone sphere is easy, and the cone sphere is easy to float on the liquid surface.
As shown in fig. 7 and 9, the sealing pressure between the conical valve core 7 and the valve seat 9 is f=p/sin 30+=2p
Wherein: f, sealing pressure;
p-liquid thrust.
The porous sleeve 8 is designed as a porous cage, so that the gas B can uniformly and stably flow into the valve seat 9, the vortex phenomenon is avoided, the noise is reduced, and the conical valve core 7 in the porous sleeve 8 is centered and guided.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present utility model, but the scope of the present utility model is not limited to the following examples. The methods used in the examples described below are conventional methods unless otherwise specified.
[ example ]
As shown in fig. 1, a valve body is manufactured according to design requirements, air enters the valve body in the horizontal direction, air B enters the valve body 4 through holes of the porous sleeve 8, air is discharged in the horizontal direction, valve sealing liquid 5 is introduced into the valve body 4, a conical valve core 7 is mounted inside the porous sleeve 8 and is suspended on the liquid level of the valve sealing liquid 5, an upper flange 2 and a lower flange 12 are mounted on the upper end and the lower end of the valve body 4, and the end face of the lower flange 12 is connected with a liquid level sensor 13, a joint 14 and a hydraulic pipe 15.
As shown in fig. 2, an automatic control system and a manual control system are installed according to the design principle of the hydraulic system, a filter 17, a variable frequency pump 18, a stop valve 19, a first check valve 20, a manual hydraulic control switching valve 21, a pressure sensor 22, an energy accumulator 23, a locking electromagnetic valve 24, a proportional valve 25, a second check valve 26, a third check valve 27, a manual reversing valve 28, a pressure gauge 29, a pressure gauge switching valve 30, a fourth check valve 31, an overflow valve 32 and a manual pump 33 are installed in the automatic control system pipeline and the manual control system pipeline, the front ends of the automatic control system pipeline and the manual control system pipeline are installed in a liquid storage tank 16, and the tail end pipelines of the automatic control system pipeline and the manual control system pipeline are connected with a hydraulic pipe 15 of a valve body.
As shown in fig. 3 and 4, the response conditions of each valve of the control system in the intelligent control system under the control of different current signals are detected, so that the rapid and reliable actions of the valve body and the intelligent control system are ensured.
As shown in fig. 5, when the input current signal is 4mA, the intelligent control system controls the liquid level in the valve body to stay at the M4 position, and the valve is fully opened.
As shown in fig. 8, when the input current signal is 4-16mA, the intelligent control system controls the liquid level in the valve body 4 to move between M4-M16 Mn, and the liquid level seals part of the holes in the porous sleeve 8, so that the flow rate of the gas B is regulated.
As shown in fig. 6, when the input current signal is 16mA, the intelligent control system controls the liquid level in the valve body 4 to stay at the position M16, the porous sleeve 8 is completely closed by the liquid a, the gas B is cut off, and the valve is closed.
As shown in fig. 7, when the input current signal is 20mA, the intelligent control system controls the liquid level in the valve body 4 to stay at the position M20, the conical valve core 7 rises to the position of the valve seat 9, the conical valve core 7 abuts against the conical sphere surface of the sealing surface of the valve seat 9 to deform due to the liquid thrust, and the valve is completely sealed.
In use, the valve can cut off flow or regulate flow, intelligent control can realize monitoring, tracking and inquiring at any time, the valve is reliably closed, flow regulation is stable, linear characteristics are good, and meanwhile, double sealing is adopted, and liquid level sealing, elastic deformation sealing of the valve core and the valve seat and sealing performance are realized.
Claims (5)
1. The valve is characterized by comprising a valve body and an intelligent control system, wherein the intelligent control system comprises a hydraulic system and a control system, a pipeline of the hydraulic system is connected with a hydraulic pipe of the valve body, and the control system controls the liquid flow in the pipeline of the hydraulic system so as to control a conical valve core to move up and down along with the liquid level of a sealing valve liquid in a valve body to regulate or cut off the valve for conveying the gas to flow;
the valve body comprises an upper flange bolt assembly, an upper flange sealing element, a valve body, valve sealing liquid, a valve seat sealing element, a conical valve core, a porous sleeve, a valve seat, a lower flange bolt assembly, a lower flange sealing element, a lower flange, a liquid level sensor, a joint and a hydraulic pipe, wherein the upper flange is mounted on the top of the valve body through the flange bolt assembly and is sealed through the upper flange sealing element;
the hydraulic system comprises a liquid storage tank, a filter, a variable frequency pump, a first check valve, a stop valve, a manual hydraulic control switching valve, a pressure sensor, an energy accumulator, a locking solenoid valve, a proportional valve, a second check valve, a third check valve, a manual reversing valve, a pressure gauge switching valve, a fourth check valve, an overflow valve and a manual pump, wherein the liquid storage tank is respectively provided with a pipeline of an automatic control system and a pipeline of the manual control system, the filter and the variable frequency pump are arranged on the pipeline of the automatic control system, the variable frequency pump is connected with the first check valve through the pipeline, the manual hydraulic control switching valve is arranged on an outlet pipeline of the check valve, the pressure gauge switching valve, the pressure gauge, the pressure sensor and the energy accumulator are arranged on an outlet pipeline of the manual hydraulic control switching valve through the pipeline connection, the proportional valve is arranged on an outlet pipeline of the locking solenoid valve, the outlet pipeline of the proportional valve is provided with a second check valve, the pipeline of the manual control system is provided with a filter and a manual pump, the pipeline of the manual pump is provided with a fourth check valve, the pipeline of the outlet of the fourth check valve is provided with a manual reversing valve, a pressure gauge switching valve and a pressure gauge are arranged between the fourth check valve and the manual reversing valve, the pipeline of the outlet of the manual reversing valve is provided with a third check valve, the second check valve and the third check valve are both arranged on a hydraulic pipe at the lower end of the valve, a common pipeline is arranged between the automatic control system and the automatic control system, the manual hydraulic control switching valve, the locking electromagnetic valve, the proportional valve and the manual reversing valve are all connected with the common pipeline through interfaces, a stop valve is arranged between the manual hydraulic control switching valve and the common pipeline to control the flow direction of liquid, and an overflow valve is arranged between the manual control system pipeline and the automatic control system pipeline and the common pipeline to control the flow;
the control system receives a section of control signal of 4mA-20mA sent by the remote control terminal and a section of liquid level signal of 4mA-20mA output by the liquid level sensor, inputs the control signal into the controller for comparison, and outputs a current signal for controlling the action of the hydraulic system according to the obtained comparison result through PID operation and power amplification.
2. The valve for intelligently adjusting/cutting off the flow of gas according to claim 1, wherein the automatic control system and the manual control system are connected in parallel to the hydraulic system, the hydraulic system daily operates the automatic control system, and the manual control system is operated when the automatic control system is overhauled or damaged.
3. The valve for intelligently adjusting/cutting off the flow of gas according to claim 1, wherein the conical valve core adopts a cone and sphere combined structure, the cone angle is 60 degrees, the surface of the cone sphere is treated by glue, and the interior of the cone sphere is hollow.
4. The valve for intelligent regulation/shut-off of gas flow according to claim 1, wherein the sealing pressure between the conical valve core and the valve seat is f=p/sin 30 ° =2p
Wherein: f, sealing pressure;
p-liquid thrust.
5. The valve for intelligent regulation/shut-off of gas flow according to claim 1, wherein said porous sleeve is of a porous cage design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088996.7U CN219954275U (en) | 2023-05-09 | 2023-05-09 | Valve capable of intelligently adjusting/cutting off gas flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088996.7U CN219954275U (en) | 2023-05-09 | 2023-05-09 | Valve capable of intelligently adjusting/cutting off gas flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954275U true CN219954275U (en) | 2023-11-03 |
Family
ID=88543681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321088996.7U Active CN219954275U (en) | 2023-05-09 | 2023-05-09 | Valve capable of intelligently adjusting/cutting off gas flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954275U (en) |
-
2023
- 2023-05-09 CN CN202321088996.7U patent/CN219954275U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2256391B1 (en) | Pressure Management Control Valve Assembly | |
| CN109469735B (en) | Valve seat structure of double-valve-port three-seal valve core | |
| CN108457933B (en) | Shale gas well field safety control system adaptability testing device and method | |
| US11281243B2 (en) | Safety device for hydrodynamic pressure regulating pipe network | |
| CN219954275U (en) | Valve capable of intelligently adjusting/cutting off gas flow | |
| CN116557556A (en) | Intelligent/regulating valve for cutting off gas flow | |
| CN216768394U (en) | Back pressure valve | |
| CN214305285U (en) | Online adjusting system for hydrogen differential pressure of sealing oil in power plant | |
| CN205089986U (en) | Field irrigation choke valve | |
| CN212364860U (en) | Accurate control system of container liquid level | |
| CN212616339U (en) | Two-way sealing stop valve | |
| CN112361064A (en) | Integrated gas injection micro-discharge valve | |
| CN101865319A (en) | By-pass reducing valve | |
| CN111664274A (en) | Normally open diaphragm check valve | |
| CN221257769U (en) | Electromagnetic lifting check valve | |
| CN104727778A (en) | Remote high-pressure well opening emergency cut-off device | |
| CN211398606U (en) | Intelligent control valve | |
| CN219198150U (en) | Positive feedback pressure control valve | |
| CN221323293U (en) | Cast iron electric regulating valve | |
| CN219327817U (en) | Main valve of pressure relief valve | |
| CN202118305U (en) | Pilot valve for waterpower valve | |
| CN221257839U (en) | Automatic control valve | |
| CN212745113U (en) | Pilot-operated regulating valve | |
| CN219177197U (en) | Water hammer eliminating device for flow regulating valve | |
| CN221401849U (en) | Pilot operated safety valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |