CN216951687U - High-pressure water supply regulating valve - Google Patents
High-pressure water supply regulating valve Download PDFInfo
- Publication number
- CN216951687U CN216951687U CN202220565557.XU CN202220565557U CN216951687U CN 216951687 U CN216951687 U CN 216951687U CN 202220565557 U CN202220565557 U CN 202220565557U CN 216951687 U CN216951687 U CN 216951687U
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing ring
- cavity
- core
- spring
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a high-pressure water supply regulating valve which comprises a valve body, a valve rod, an actuating mechanism, a valve core, a valve seat, a limiting ring, a spring and a sealing ring, wherein the actuating mechanism is arranged on the valve body, a valve cavity is formed in the valve body, a water inlet and a water outlet which are connected with two ends of the valve cavity are formed in the valve body, the limiting step is arranged in the valve cavity, the sealing ring, the valve seat, the limiting ring and the valve core are sequentially arranged in the valve cavity, the sealing ring is abutted against the limiting step, the valve seat is respectively abutted against the sealing ring and the limiting ring, a circulation hole is formed in the middle of the valve seat, an accommodating groove is formed in the valve core, the spring is positioned in the accommodating groove, and the valve rod partially extends into the accommodating groove. This technical scheme is used for solving current high pressure feed water governing valve and has the problem that leads to sealed face to reveal easily because of cavitation.
Description
Technical Field
The utility model belongs to the technical field of generator components, and particularly relates to a high-pressure water supply regulating valve.
Background
At present, the well-known boiler water supply regulating valve structure is composed of a valve body, a valve cover, a valve seat, a valve clack, a valve rod and the like. The flow area of the valve clack is different from that of the valve seat hole by changing the stroke of the valve clack, so that the feed water flow of the boiler is controlled. However, in many cases, the boiler feed water flow load changes greatly, and the feed water temperature is high, so that under the working condition of high pressure difference, the valve core and the valve seat are easy to generate cavitation, gaps are generated between the sealing surfaces of the valves, leakage is caused, and the valves are scrapped more seriously.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a high-pressure water supply regulating valve to solve the problem that the existing high-pressure water supply regulating valve is easy to cause leakage of a sealing surface due to cavitation.
The utility model provides a high-pressure water supply regulating valve, which comprises a valve body, a valve rod, an actuating mechanism, a valve core, a valve seat, a limiting ring, a spring and a sealing ring, wherein the actuating mechanism is arranged on the valve body, a valve cavity is formed inside the valve body, a water inlet and a water outlet which are connected with two ends of the valve cavity are arranged on the valve body, the limiting step is arranged in the valve cavity, the sealing ring, the valve seat, the limiting ring and the valve core are sequentially arranged in the valve cavity, the sealing ring is abutted against the limiting step, the valve seat is respectively abutted against the sealing ring and the limiting ring, a circulation hole is formed in the middle of the valve seat, a containing groove is formed in the valve core, the spring is positioned in the containing groove, the valve rod partially extends into the containing groove, the spring is respectively connected with the valve rod and the valve core, and the valve core is driven by the valve rod to close or separate from the circulation hole, the valve rod is connected with the actuating mechanism.
Further, the actuating mechanism is an electric actuating mechanism.
Further, the sealing ring is a carbon fiber resin composite part.
According to the high-pressure water supply regulating valve, the spring is arranged between the valve rod and the valve core, when the high-pressure water supply regulating valve is closed, the actuating mechanism pushes the valve rod to move downwards, the valve core is driven by the valve rod to seal the circulation hole, at the moment, the spring is compressed, certain elastic pretightening force is provided for the valve core, so that when the valve core is subjected to cavitation erosion, the erosion gap of the sealing surface at the positions of the valve core and the circulation hole can be compensated to a certain extent through the elastic force provided by the spring, and the sealing effect of the sealing surface is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a high-pressure feed water regulating valve.
Detailed Description
The utility model discloses a high-pressure water supply regulating valve which has a good elastic regulating range and can effectively avoid leakage of a sealing surface.
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. 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.
Referring to fig. 1, the utility model discloses a high-pressure water supply regulating valve, which comprises a valve body 12, a valve rod 3, an actuating mechanism 1, a valve core 6, a valve seat 8, a limiting ring 7, a spring 4 and a sealing ring 11, wherein the actuating mechanism 1 is arranged on the valve body 12, a valve cavity is formed inside the valve body 12, a water inlet 2 and a water outlet 13 which are connected with two ends of the valve cavity are arranged on the valve body 12, a limiting step 10 is arranged in the valve cavity, the sealing ring 11, the valve seat 8, the limiting ring 7 and the valve core 6 are sequentially arranged in the valve cavity, the sealing ring 11 is abutted against the limiting step 10, the valve seat 8 is respectively abutted against the sealing ring 11 and the limiting ring 7, a circulation hole 9 is arranged in the middle of the valve seat 8, an accommodating groove 5 is arranged on the valve core 6, the spring 4 is positioned in the accommodating groove 5, and part of the valve rod 3 extends into the accommodating groove 5, the spring 4 is respectively connected with the valve rod 3 and the valve core 6, the valve core 6 is driven by the valve rod 3 to close or separate from the circulation hole 9, and the valve rod 3 is connected with the actuating mechanism 1.
The actuating mechanism 1 is an electric actuating mechanism.
The sealing ring 11 is a carbon fiber resin composite.
According to the high-pressure water supply regulating valve, the spring 4 is arranged between the valve rod 3 and the valve core 6, when the high-pressure water supply regulating valve is closed, the actuating mechanism 1 pushes the valve rod 3 to move downwards, the valve core 6 is driven by the valve rod 3 to seal the circulation hole 9, at the moment, the spring 4 is compressed, certain elastic pretightening force is provided for the valve core 6, so that when the valve core 6 is subjected to cavitation erosion, erosion gaps of sealing surfaces at the positions of the valve core 6 and the circulation hole 9 can be compensated to a certain extent through the elastic force provided by the spring 4, and the sealing effect of the sealing surfaces is ensured.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (3)
1. A high-pressure water supply regulating valve is characterized by comprising a valve body, a valve rod, an actuating mechanism, a valve core, a valve seat, a limiting ring, a spring and a sealing ring, wherein the actuating mechanism is arranged on the valve body, a valve cavity is formed inside the valve body, a water inlet and a water outlet which are connected with two ends of the valve cavity are formed in the valve body, the limiting step is arranged in the valve cavity, the sealing ring, the valve seat, the limiting ring and the valve core are sequentially arranged in the valve cavity, the sealing ring is abutted against the limiting step, the valve seat is respectively abutted against the sealing ring and the limiting ring, a circulation hole is formed in the middle of the valve seat, a containing groove is formed in the valve core, the spring is positioned in the containing groove, the valve rod partially extends into the containing groove, the spring is respectively connected with the valve rod and the valve core, and the valve core is driven by the valve rod to seal or separate from the circulation hole, the valve rod is connected with the actuating mechanism.
2. A high pressure feedwater regulating valve in accordance with claim 1 wherein said actuator is an electric actuator.
3. The high-pressure feedwater regulating valve of claim 1, wherein said sealing ring is a carbon fiber resin composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220565557.XU CN216951687U (en) | 2022-03-15 | 2022-03-15 | High-pressure water supply regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220565557.XU CN216951687U (en) | 2022-03-15 | 2022-03-15 | High-pressure water supply regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951687U true CN216951687U (en) | 2022-07-12 |
Family
ID=82294157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220565557.XU Active CN216951687U (en) | 2022-03-15 | 2022-03-15 | High-pressure water supply regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951687U (en) |
-
2022
- 2022-03-15 CN CN202220565557.XU patent/CN216951687U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103573732B (en) | A kind of ultra-high pressure high flow supercharging formula fluid-controlled cut-off valve and application thereof | |
| CN216951687U (en) | High-pressure water supply regulating valve | |
| CN202646726U (en) | Axial-flow type multistage decompression anti-cavitation adjusting valve | |
| CN204628590U (en) | Low leakage boat diesel engine high temperature butterfly valve | |
| CN104930253A (en) | Energy-saving type automatic compensation valve core multi-functional pilot solenoid valve | |
| CN202646869U (en) | High voltage (HV) fast switch valve | |
| CN203463729U (en) | Valve for pneumatic pressure regulating, fast decompression and multi-torch operation | |
| CN209444839U (en) | A kind of wear-resisting accurate adjustment ball valve of square hole runner | |
| CN103423505B (en) | HV rapid switching valve | |
| CN105937630B (en) | Heat dissipation type double-valve-clack adjusting stop type air exhaust valve | |
| CN212297609U (en) | Multi-sealing combined valve | |
| CN201288834Y (en) | Power station stop valve capable of preventing inner-leaking and exterior-leaking | |
| CN212928893U (en) | Pilot operated safety valve | |
| CN103363145B (en) | Hydropower station water inlet ball valve height hydraulic operation hard sealing structure | |
| CN107387786B (en) | Multifunctional pressure/flow control valve with good sealing performance and operation method thereof | |
| CN219159534U (en) | High side valve prevents interior hourglass structure | |
| CN202418701U (en) | Top-mounted ball valve | |
| CN214699297U (en) | Sealed stable upper-mounted ball valve for low-temperature working condition | |
| CN219911988U (en) | High-temperature high-pressure bypass temperature reduction system | |
| CN203796975U (en) | Spray water adjusting valve of reheater | |
| CN204284482U (en) | Combination seal stop valve | |
| CN110805697A (en) | Integral self-protection sealing surface structure of regulating valve | |
| CN111609181A (en) | Nuclear grade axial flow type check valve | |
| CN210531617U (en) | Air exhaust stop valve structure | |
| CN204459328U (en) | Safety valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |