CN220152011U - Single-seat regulating valve and working system - Google Patents
Single-seat regulating valve and working system Download PDFInfo
- Publication number
- CN220152011U CN220152011U CN202320496315.4U CN202320496315U CN220152011U CN 220152011 U CN220152011 U CN 220152011U CN 202320496315 U CN202320496315 U CN 202320496315U CN 220152011 U CN220152011 U CN 220152011U
- Authority
- CN
- China
- Prior art keywords
- valve
- air inlet
- seat
- regulating
- air
- 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
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 239000010866 blackwater Substances 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
- Details Of Valves (AREA)
Abstract
The utility model relates to a single-seat regulating valve, which comprises an actuating mechanism; the air inlet of the filtering pressure reducing valve is connected with an external client air source; mei Suoni blue locator, its air inlet connects the air outlet of the filter relief valve, its air outlet connects the air inlet of the actuating mechanism; a regulator valve, comprising: a valve body; the valve seat is fixedly arranged on the inner wall of the valve cavity of the valve body; the valve core is matched with the valve seat and is movably arranged in the valve body; the upper end of the valve rod is connected with a pneumatic diaphragm of the actuating mechanism, and the lower end of the valve rod is connected with the valve core so as to drive the valve core to move up and down. According to the single-seat regulating valve, the air inlet speed is regulated by arranging the Mei Suoni blue positioner, and the slow closing of the valve in the air inlet process is controlled; by realizing slow closing of the valve, reliable matching of the valve core and the surface of the valve seat is ensured, the problems of cracking, sealing surface damage and falling of the valve core and the valve seat caused by frequent switching, vibration, collision and the like of the regulating valve are avoided, the valve internal parts of the regulating valve are protected, and the service life of the valve internal parts is prolonged.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a single-seat regulating valve and a working system.
Background
At present, the valve core fluid in a black water system in a large-scale coal water slurry pressurized gasification device has high working pressure and large pressure difference, the ash content of a medium is high, scaling is easy, three-phase flow of water, steam and particles is eroded and eroded, a pipeline vibrates and the like, so that the service life of a conventional stainless steel material is short, the frequency of replacement spare parts is high, and the maintenance cost is high; the integral WC alloy valve core, the stainless steel valve rod and the integral WC alloy valve seat become valve core common selection materials of a black water system, the WC material is extremely easy to crack, damage and fall off the sealing surface under the working conditions of frequent switching, vibration, collision and the like of the regulating valve due to brittleness, so that a runner is blocked, the valve core is a high-incidence point of occurrence of problems and failure frequency in the coal chemical gasification device, the normal operation of the black water regulating valve is seriously plagued, the normal operation of the gasification device is restricted, and the regulating quality is rapidly deteriorated.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to solve the problem that the service life of the WC material valve trim is short due to the vibration and collision of the regulating valve in the prior art.
In order to solve the technical problems, the utility model provides a single seat regulating valve, comprising:
an actuator;
the air inlet of the filtering pressure reducing valve is connected with an external client air source;
mei Suoni blue locator, its air inlet connects the air outlet of the said filter relief valve, its air outlet connects the air inlet of the said actuating mechanism;
a regulator valve, comprising:
a valve body;
the valve seat is fixedly arranged on the inner wall of the valve cavity of the valve body;
the valve core is matched with the valve seat and is movably arranged in the valve body;
the upper end of the valve rod is connected with the pneumatic diaphragm of the actuating mechanism, the lower end of the valve rod is connected with the valve core,
so as to drive the valve core to move up and down.
In one embodiment of the present utility model, the device further comprises a speed adjusting valve, wherein an air inlet of the speed adjusting valve is connected with an air outlet of the Mei Suoni blue positioner, and an air outlet of the speed adjusting valve is connected with an air inlet of the actuating mechanism.
In one embodiment of the utility model, the speed regulator valve includes, but is not limited to, an SMC speed regulator valve and an LEGRIS7130 speed regulator valve.
In one embodiment of the utility model, the upper end of the valve rod is provided with a threaded section, and the threaded section is connected with a pull rod of the actuating mechanism through a connecting device.
In one embodiment of the utility model, the actuator is a pneumatic multi-spring diaphragm actuator.
In one embodiment of the utility model, the pneumatic multi-spring diaphragm actuator includes, but is not limited to, ZHA/B-type multi-spring pneumatic diaphragm actuators, HA-type multi-spring pneumatic diaphragm actuators, and PD3000LA pneumatic diaphragm actuators.
In one embodiment of the utility model, the Mei Suoni blue positioner includes, but is not limited to, an SVi3 series valve positioner, an MS900 series valve positioner, and a 4700P corrosion resistant pneumatic positioner.
In one embodiment of the utility model, the filter pressure reducing valve includes, but is not limited to, LFR-D-MIDI filter pressure reducing valve, TKC filter pressure reducing valve KZ03-03 and SMC series.
In one embodiment of the utility model, a packing is provided between the valve stem and the valve body.
The embodiment of the utility model also provides a single-seat regulating valve working system, which comprises:
a client air source;
a client pipe;
the single-seat regulating valve is characterized in that an air inlet of the filtering and reducing valve is connected with the client air source, and the regulating valve is arranged at a preset position of the client pipeline so as to control the regulating valve according to an air pressure signal of the executing mechanism, thereby regulating the air flow of the client pipeline.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the single-seat regulating valve, the air inlet speed is regulated by arranging the Mei Suoni blue positioner, and the slow closing of the valve in the air inlet process is controlled; by realizing slow closing of the valve, reliable matching of the valve core and the surface of the valve seat is ensured, the problems of cracking, sealing surface damage and falling of the valve core and the valve seat caused by frequent switching, vibration, collision and the like of the regulating valve are avoided, the valve internal parts of the regulating valve are protected, and the service life of the valve internal parts is prolonged;
the single-seat regulating valve is used for regulating the exhaust speed by setting the speed regulating valve, so that the slow closing of the valve in the exhaust process is realized; similarly, by realizing slow closing of the valve, the valve trim of the regulating valve is protected.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of a single seat regulating valve according to an embodiment of the present utility model;
FIG. 2 is a schematic view of another single seat regulator valve according to an embodiment of the present utility model;
description of the specification reference numerals: 1. a filter pressure reducing valve; 2. mei Suoni blue locator; 3. an actuator; 4. a speed regulating valve.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1:
referring to fig. 1, a single seat regulating valve according to an embodiment of the present utility model includes:
an actuator;
the air inlet of the filtering pressure reducing valve is connected with an external client air source;
mei Suoni blue locator, its air inlet connects the air outlet of the said filter relief valve, its air outlet connects the air inlet of the said actuating mechanism;
a regulator valve, comprising:
a valve body;
the valve seat is fixedly arranged on the inner wall of the valve cavity of the valve body;
the valve core is matched with the valve seat and is movably arranged in the valve body;
the upper end of the valve rod is connected with the pneumatic diaphragm of the actuating mechanism, the lower end of the valve rod is connected with the valve core,
so as to drive the valve core to move up and down.
Specifically, the upper end of the valve rod is provided with a thread section which is connected with a pull rod of the actuating mechanism through a connecting device; and a filler is arranged between the valve rod and the valve body, and the valve body is sealed by the filler, so that leakage of a controlled medium is avoided.
In this embodiment, the actuator is a pneumatic multi-spring diaphragm actuator; the actuating mechanism is a pushing device of the single-seat regulating valve, and generates corresponding output force according to the air pressure signal to push the regulating valve to act. When the air pressure signal enters the air chamber of the diaphragm, the diaphragm generates thrust due to the action of air, so that the valve rod moves, the spring is further compressed until the reaction force of the spring is balanced with the acting force on the diaphragm, and the valve rod is pushed to reach a designated position, namely, the air flow of the regulating valve is regulated to be the target flow. Specifically, in the present embodiment, the pneumatic multi-spring diaphragm actuator includes, but is not limited to, ZHA/B type multi-spring pneumatic diaphragm actuator, HA type multi-spring pneumatic diaphragm actuator, and PD3000LA pneumatic diaphragm actuator. When the actuating mechanism is a ZHA/B type multi-spring pneumatic diaphragm actuating mechanism; the parts such as the membrane cover disc, the limiting piece and the like are all formed by stamping steel plates, the shape of the membrane is complex, and the special pressing technology is adopted, so that the bursting strength reaches more than 22kg/cm < 2 >; the multi-spring form improves the manufacturability of spring manufacture and is beneficial to the assembly of different spring ranges; the zero-setting function improves the linear precision; the surface treatment adopts epoxy electrostatic powder for non-spraying, so that the paint has higher fastness and corrosion resistance; and has the advantages of uniform stress, good stability, small size, light weight and the like.
In this embodiment, the Mei Suoni blue positioner includes, but is not limited to, an SVi3 series valve positioner, an MS900 series valve positioner, and a 4700P corrosion resistant pneumatic positioner. Wherein, 4700P corrosion resistant start-up positioner uses precision feedback cam to provide positioning, can respond fast; the zero position adjustment of the positioner can be easily completed through an adjustable spring button; further zeroing may also be performed by a turnbuckle assembly on the linear motion actuator; the internal components are made of corrosion-resistant materials, and can resist severe working conditions.
In this embodiment, the filter pressure reducing valve includes, but is not limited to, LFR-D-MIDI filter pressure reducing valve, TKC filter pressure reducing valve KZ03-03 and SMC series. The LFR-D-MIDI filter pressure reducing valve has the advantages of wide application range, firm connection, good pressure resistance and durability.
Specifically, under the thrust action of the actuating mechanism, when the valve rod moves, the valve core in the regulating valve is displaced, and the flow area between the valve core and the valve seat is changed, so that the flow of the controlled medium is changed, and the purpose of flow regulation is achieved. For the air-off position or fail position open regulator valve, valve travel time is controlled by a Mei Suoni blue positioner specific travel time function setting. In the intake stroke from on to off, the Mei Suoni blue positioner intake speed is slowed down, thereby achieving slow off.
In the embodiment of the utility model, the air inlet speed is slowed down by arranging a Mei Suoni blue positioner, and the slow closing of the valve in the air inlet process is controlled; by realizing slow closing of the valve, reliable matching of the valve core and the surface of the valve seat is ensured, the problems of cracking, sealing surface damage and falling of the valve core and the valve seat caused by frequent switching, vibration, collision and the like of the regulating valve are avoided, the valve internal parts of the regulating valve are protected, and the service life of the valve internal parts is prolonged.
Example 2:
referring to fig. 2, a single seat regulating valve according to an embodiment of the present utility model includes:
an actuator;
the air inlet of the filtering pressure reducing valve is connected with an external client air source;
mei Suoni blue locator, its air inlet connects the air outlet of the said filter relief valve;
the air inlet of the speed regulating valve is connected with the Mei Suoni blue air outlet, and the air outlet of the speed regulating valve is connected with the air inlet of the executing mechanism;
a regulator valve, comprising:
a valve body;
the valve seat is fixedly arranged on the inner wall of the valve cavity of the valve body;
the valve core is matched with the valve seat and is movably arranged in the valve body;
the upper end of the valve rod is connected with the pneumatic diaphragm of the actuating mechanism, the lower end of the valve rod is connected with the valve core,
so as to drive the valve core to move up and down.
Specifically, the speed regulating valve can be selected from the model including, but not limited to, an SMC speed regulating valve and an LEGRIS7130 speed regulating valve. The LEGRIS7130 speed regulating valve is provided with two regulating modes of external regulation and safety regulation screws, has the characteristics of accurate regulation, accuracy and compactness, is light in weight, and can provide 360-degree rotary positioning.
In the embodiment of the utility model, the air inlet speed is slowed down by arranging a Mei Suoni blue positioner, and the slow closing of the valve in the air inlet process is controlled; the exhaust speed is regulated by setting a speed regulating valve, so that the valve is slowly closed in the exhaust process; by realizing slow closing of the valve, reliable matching of the valve core and the surface of the valve seat is ensured, the problems that the valve core and the valve seat are cracked, damaged and fallen off due to frequent switching, vibration, collision and the like of the regulating valve are avoided, the regulating quality in the working condition is ensured, expensive WC material valve internals of the regulating valve are protected, and the service life of the valve internals is prolonged.
The embodiment of the utility model also provides a single-seat regulating valve working system, which comprises:
a client air source;
a client pipe;
the single seat regulating valve according to embodiment 1 or embodiment 2, wherein an air inlet of the filtering and pressure reducing valve is connected to the client air source, and the regulating valve is disposed at a preset position of the client pipeline, so as to control the regulating valve according to an air pressure signal of the actuator, thereby regulating the air flow of the client pipeline.
In the embodiment, the single-seat regulating valve provided by the utility model is arranged at the client to realize the flow control of the medium to be transmitted by the client. The air inlet speed is regulated by arranging a Mei Suoni blue positioner in a single-seat control valve, and the slow closing of the valve in the air inlet process is controlled; the exhaust speed is regulated by arranging a speed regulating valve in the single-seat control valve, so that the valve is slowly closed in the exhaust process; by realizing slow closing of the valve, reliable matching of the valve core and the surface of the valve seat is ensured, the problems that the valve core and the valve seat are cracked, damaged and fall off due to frequent switching, vibration, collision and the like of the regulating valve are avoided, the regulating quality in the working condition is ensured, expensive WC material valve internals of the regulating valve are protected, the service life of the valve internals is prolonged, and the long-term stable operation of a working system is effectively maintained.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A single seat regulator valve comprising:
an actuator;
the air inlet of the filtering pressure reducing valve is connected with an external client air source;
mei Suoni blue locator, its air inlet connects the air outlet of the said filter relief valve, its air outlet connects the air inlet of the said actuating mechanism;
a regulator valve, comprising:
a valve body;
the valve seat is fixedly arranged on the inner wall of the valve cavity of the valve body;
the valve core is matched with the valve seat and is movably arranged in the valve body;
the upper end of the valve rod is connected with the pneumatic diaphragm of the actuating mechanism, and the lower end of the valve rod is connected with the valve core so as to drive the valve core to move up and down.
2. The single seat regulator valve of claim 1 further comprising a speed regulator valve having an air inlet coupled to the Mei Suoni flange positioner air outlet and an air outlet coupled to the actuator air inlet.
3. The single seat regulator valve of claim 2, wherein the speed regulator valve includes, but is not limited to, SMC speed regulator valve and legis 7130 speed regulator valve.
4. The single seat regulating valve according to claim 1, wherein the upper end of the valve rod is provided with a threaded section, and the threaded section is connected with a pull rod of the actuating mechanism through a connecting device.
5. The single seat regulator valve of claim 1 wherein the actuator is a pneumatic multi-spring diaphragm actuator.
6. The single seat regulator valve of claim 5, wherein the pneumatic multi-spring diaphragm actuator includes, but is not limited to, ZHA/B-type multi-spring pneumatic diaphragm actuator, HA-type multi-spring pneumatic diaphragm actuator, and PD3000LA pneumatic diaphragm actuator.
7. The single seat regulator valve according to claim 1, wherein the Mei Suoni blue positioner includes, but is not limited to, an SVi3 series valve positioner, an MS900 series valve positioner, and a 4700P corrosion resistant pneumatic positioner.
8. The single seat regulator valve of claim 1, wherein the filter pressure reducing valve includes, but is not limited to, LFR-D-MIDI filter pressure reducing valve, TKC filter pressure reducing valve KZ03-03 and SMC series.
9. The single seat regulator valve of claim 1 wherein a packing is disposed between the valve stem and the valve body.
10. A single seat regulator valve operating system, comprising:
a client air source;
a client pipe;
the single seat regulating valve as claimed in any one of claims 1 to 9, wherein an air inlet of the filtering and reducing valve is connected with the client air source, and the regulating valve is arranged at a preset position of the client pipeline so as to control the regulating valve according to an air pressure signal of the actuating mechanism, thereby regulating the air flow of the client pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496315.4U CN220152011U (en) | 2023-03-15 | 2023-03-15 | Single-seat regulating valve and working system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496315.4U CN220152011U (en) | 2023-03-15 | 2023-03-15 | Single-seat regulating valve and working system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220152011U true CN220152011U (en) | 2023-12-08 |
Family
ID=89007385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320496315.4U Active CN220152011U (en) | 2023-03-15 | 2023-03-15 | Single-seat regulating valve and working system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220152011U (en) |
-
2023
- 2023-03-15 CN CN202320496315.4U patent/CN220152011U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20100018442A (en) | Pressure control batterfly valve | |
| CN110671502B (en) | Water hammer resistant stop valve | |
| US10054243B1 (en) | Dual spring flow control valve | |
| CN220152011U (en) | Single-seat regulating valve and working system | |
| CN204213426U (en) | Interior pressure Self-operated pressure reducing valve | |
| CN106763803B (en) | A kind of control valve for small flows | |
| CN203098887U (en) | Special high-pressure difference angle valve for black water | |
| CN102563096B (en) | Ultrahigh pressure differential tight cut-off regulating valve | |
| US3168900A (en) | Ball valve with flexible bonnet | |
| EP2867564B1 (en) | Axial fluid valves having linear actuators | |
| CN202469014U (en) | Ultrahigh pressure difference tight cutoff adjustment valve | |
| CN113324079B (en) | Low-power consumption regulating valve with cut-off function | |
| CN114776870A (en) | Large-caliber vacuum high-pressure control valve | |
| CN210088138U (en) | Corrugated pipe automatic control regulating valve | |
| CN209743602U (en) | Low-flow-resistance multifunctional liquid methane bacterium type valve | |
| CN203571134U (en) | Plastic sealing pilot operated safety valve | |
| CN203549041U (en) | Self-operated pressure regulating valve | |
| CN218031484U (en) | Quick cut-off valve with double actuators | |
| CN217842730U (en) | Straight-through single-seat valve with sectional type valve core structure | |
| CN118309825B (en) | High-medium pressure pilot valve and safety valve | |
| CN205715946U (en) | A kind of water pipeline regulation valve | |
| CN110985733A (en) | Self-operated pressure balance valve | |
| CN221347948U (en) | Double-sealing sleeve type pressure reducing valve | |
| CN218510219U (en) | Low-leakage cage valve with high-precision adjusting performance | |
| CN221278485U (en) | Triple offset butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |