CN214617907U - High-temperature high-pressure gas regulating valve - Google Patents
High-temperature high-pressure gas regulating valve Download PDFInfo
- Publication number
- CN214617907U CN214617907U CN202023320740.3U CN202023320740U CN214617907U CN 214617907 U CN214617907 U CN 214617907U CN 202023320740 U CN202023320740 U CN 202023320740U CN 214617907 U CN214617907 U CN 214617907U
- Authority
- CN
- China
- Prior art keywords
- valve
- sleeve
- pressure gas
- valve core
- gas regulating
- 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
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The utility model provides a high temperature high pressure gas governing valve, it can solve current governing valve at gas medium temperature 800 ℃, under pressure 10 MPa's the operating mode, the short technical problem of life. The utility model provides a high temperature high pressure gas regulating valve, includes the case, the case includes pole portion and the main part that top-down connects, its characterized in that: the cooling flow channel is arranged in the valve core, a spiral structure is formed in the main body of the valve core, and a liquid inlet and a liquid outlet of the cooling flow channel are located at the upper end of the rod part of the valve core. The valve core is cooled by introducing cooling water into the cooling flow channel of the valve core, so that the over-high temperature of the valve core can be avoided, the regulating valve can adapt to the working conditions of medium temperature of 800 ℃ and pressure of 10MPa, and the service life can be kept good.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to be suitable for gaseous medium temperature 800 ℃, pressure 10 MPa's a high temperature high pressure gas governing valve.
Background
In industrial automation process control in various industrial application fields, the regulating valve is used as a key executing mechanism, the opening of the valve is changed by means of the driving force by receiving a control signal output by the regulating control unit, and technological parameters of medium flow and pressure are regulated to realize a final control target.
The normal temperature regulating valve is generally only suitable for regulating medium temperature below 100 ℃ and pressure below 31.5 MPa. The general high-temperature regulating valve is only suitable for regulating the medium temperature below 425 ℃ and the pressure below 10 MPa. According to the specification of JB/T3595-2002 Power station valve-general requirements, the highest medium working temperature of the pressure temperature grade of the power station valve is no more than 570 ℃, and the working pressure is no more than 6 MPa. At present, the valve core and the valve seat are made of Inconel718 alloy, wherein the Inconel718 alloy is nickel-chromium-iron hardened high-temperature alloy containing niobium and molybdenum, and the alloy has high tensile strength, fatigue strength, creep strength and rupture strength at 700 ℃. However, in a high-temperature and high-pressure environment where the temperature of the gas medium is 650 ℃ or higher and the pressure is 10MPa, the erosion resistance of the valve element is reduced, which results in a significant reduction in the service life of the regulator valve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high temperature high pressure gas governing valve, it can solve current governing valve at gas medium temperature 800 ℃, under pressure 10 MPa's the operating mode, the short technical problem of life.
Its technical scheme is such, a high temperature high pressure gas regulating valve, including the case, the case includes pole portion and the main part that top-down connects, its characterized in that: the cooling flow channel is arranged in the valve core, a spiral structure is formed in the main body of the valve core, and a liquid inlet and a liquid outlet of the cooling flow channel are located at the upper end of the rod part of the valve core.
Furthermore, the cooling flow channel is connected with a water tank and a water pump through a pipeline to form a cooling loop, and the pipeline or the water tank is connected with a refrigerating device.
Further, the high-temperature high-pressure gas regulating valve further comprises a valve body, a valve seat, a sleeve, a valve rod, a valve cover and an electro-hydraulic driver, wherein the valve body is installed on the lower portion of the valve seat, the sleeve and the valve seat are installed in a valve cavity of the valve body from top to bottom, the valve seat is provided with an engagement hole communicated with an inlet of the valve body, a through hole communicated with an outlet of the valve body is distributed in the sleeve, the valve seat is installed on the upper portion of the valve body, a main body of the valve core extends into the sleeve, and the rod portion of the valve core penetrates through the valve cover upwards and then is connected with the electro-hydraulic driver.
Furthermore, the sleeve comprises an inner sleeve and an outer sleeve, and through holes are distributed in the inner sleeve and the outer sleeve.
Furthermore, a packing hole matched with the rod part is formed in the top of the valve cover, a packing ring and packing are arranged in the packing hole from bottom to top, a gland is arranged above the packing, and the gland is sleeved outside the rod part and is connected with the valve cover through a bolt;
the valve seat is in sealing fit with the valve body through a sealing gasket;
the upper end of the sleeve is in sealing fit with the valve cover through a middle flange gasket, and the lower end of the sleeve is fixedly connected with the valve seat.
The utility model discloses a high temperature high pressure gas governing valve sets up the cooling runner in the case to the cooling runner is formed with helical structure in the main part of case, through letting in the cooling water to the case in to the case cooling, can avoid case high temperature, maintains the resistance to scouring performance of preferred, makes the governing valve can adapt to medium temperature 800 ℃, pressure 10 MPa's operating mode, increase of service life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, the high-temperature and high-pressure gas regulating valve includes a valve core 4, the valve core 4 includes a rod portion 4b and a main body 4a connected from top to bottom, and is characterized in that: a cooling flow channel 5 is arranged in the valve core 4, a spiral structure is formed in the main body 4a of the valve core 4 by the cooling flow channel 5, and a liquid inlet and a liquid outlet of the cooling flow channel 5 are positioned at the upper end of the rod part 4b of the valve core 4. The cooling flow passage 5 is connected with a water tank and a water pump through pipelines to form a cooling loop, and the pipelines or the water tank are connected with a refrigerating device. The refrigerating device comprises a compressor, a condenser, an expansion valve and a heat exchanger, and the connection relation and the refrigerating principle of the refrigerating device are the prior art.
The high-temperature high-pressure gas regulating valve further comprises a valve body 1, a valve seat 2, a sleeve 3, a valve rod, a valve cover 6 and an electro-hydraulic driver (not shown in the figure), wherein the valve body 1 is installed on the lower portion of the valve seat 2, the sleeve 3 and the valve seat 2 are installed in a valve cavity of the valve body 1 from top to bottom, the valve seat 2 is provided with a connecting hole communicated with an inlet of the valve body 1, the sleeve 3 is provided with a through hole communicated with an outlet of the valve body 1, the valve seat 2 is installed on the upper portion of the valve body 1, a main body 4a of a valve core 4 extends into the sleeve 3, and a rod portion 4b of the valve core 4 upwards penetrates through the valve cover 6 and then is connected with the electro-hydraulic driver.
The top of the valve cover 6 is provided with a packing hole matched with the rod part 4b, a packing ring and a packing 7 are arranged in the packing hole from bottom to top, a gland 8 is arranged above the packing 7, and the gland 8 is sleeved outside the rod part 4b and is connected with the valve cover 6 through a bolt 9; the valve seat 2 is embedded at the bottom of the valve cavity and is in sealing fit with a flow hole at the bottom of the valve cavity through a sealing gasket 10; the lower part of the sleeve is in positioning fit with the valve seat through a spigot structure, and the upper part of the sleeve is in press fit with the valve cover through the valve cover and is in sealing fit with the valve cover through a middle flange gasket 11. The sealing performance of the regulating valve is ensured by the arrangement of each sealing element.
Claims (5)
1. The utility model provides a high temperature high pressure gas regulating valve, includes the case, the case includes pole portion and the main part that top-down connects, its characterized in that: the cooling flow channel is arranged in the valve core, a spiral structure is formed in the main body of the valve core, and a liquid inlet and a liquid outlet of the cooling flow channel are located at the upper end of the rod part of the valve core.
2. A high temperature and high pressure gas regulating valve according to claim 1, wherein: the cooling flow channel is connected with the water tank and the water pump through pipelines to form a cooling loop, and the pipelines or the water tank are connected with a refrigerating device.
3. A high temperature and high pressure gas regulating valve according to claim 2, wherein: the high-temperature high-pressure gas regulating valve further comprises a valve body, a valve seat, a sleeve, a valve rod, a valve cover and an electro-hydraulic driver, wherein the valve body is installed on the lower portion of the valve seat, the sleeve and the valve seat are installed in a valve cavity of the valve body from top to bottom, the valve seat is provided with an engagement hole communicated with an inlet of the valve body, through holes communicated with an outlet of the valve body are distributed in the sleeve, the valve seat is installed on the upper portion of the valve body, a main body of the valve core extends into the sleeve, and a rod portion of the valve core penetrates through the valve cover upwards and then is connected with the electro-hydraulic driver.
4. A high temperature and high pressure gas regulating valve according to claim 3, wherein: the sleeve includes inner skleeve and outer sleeve, the inner skleeve with the outer sleeve is equallyd divide and is had the through-hole.
5. A high temperature and high pressure gas regulating valve according to claim 4, wherein: the top of the valve cover is provided with a filler hole matched with the rod part, a filler ring and filler are arranged in the filler hole from bottom to top, a gland is arranged above the filler, and the gland is sleeved outside the rod part and is connected with the valve cover through a bolt;
the valve seat is in sealing fit with the valve body through a sealing gasket;
the upper end of the sleeve is in sealing fit with the valve cover through a middle flange gasket, and the lower end of the sleeve is fixedly connected with the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320740.3U CN214617907U (en) | 2020-12-31 | 2020-12-31 | High-temperature high-pressure gas regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320740.3U CN214617907U (en) | 2020-12-31 | 2020-12-31 | High-temperature high-pressure gas regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214617907U true CN214617907U (en) | 2021-11-05 |
Family
ID=78434589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023320740.3U Active CN214617907U (en) | 2020-12-31 | 2020-12-31 | High-temperature high-pressure gas regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214617907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539655A (en) * | 2022-11-28 | 2022-12-30 | 南通源动太阳能科技有限公司 | Solar thermoelectric proportional regulating valve and use method thereof |
-
2020
- 2020-12-31 CN CN202023320740.3U patent/CN214617907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539655A (en) * | 2022-11-28 | 2022-12-30 | 南通源动太阳能科技有限公司 | Solar thermoelectric proportional regulating valve and use method thereof |
| CN115539655B (en) * | 2022-11-28 | 2023-03-10 | 南通源动太阳能科技有限公司 | Solar thermoelectric proportional regulating valve and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214617907U (en) | High-temperature high-pressure gas regulating valve | |
| CN202868037U (en) | Water-feeding pump recycling valve | |
| CN101440888A (en) | High-temperature high-pressure pressure-reducing valve | |
| CN111365112B (en) | Marine diesel engine cylinder liner and cooling water heat exchange enhancing device | |
| CN201875217U (en) | Pilot operated safety valve used under low temperature operating condition | |
| CN202659955U (en) | Top-mounted low-temperature fixed ball valve | |
| CN102705525B (en) | Top-entry low-temperature fixed ball valve | |
| CN2924214Y (en) | Suction expansion valve | |
| CN210566341U (en) | Multi-stage wear-resistant angle valve for treating slag-containing medium | |
| CN104806881A (en) | Gas-cooled loop-closed Roots liquid vacuum system and control method thereof | |
| CN208517447U (en) | A kind of pressure water replanishing device of blast furnace inclosed recirculated cooling water | |
| CN203686213U (en) | Butt welding type high-temperature and high-pressure rapid cut-off steam ball valve supporting online maintenance | |
| CN202432057U (en) | Compressed gas reduced pressure adjusting device | |
| CN103603964B (en) | Can on-line maintenance butt joint type High Temperature High Pressure fast shut-off steam ball valve | |
| CN114658640B (en) | Hydraulic oil temperature control structure of high-pressure diaphragm compressor | |
| CN203248793U (en) | Pressure reducing valve | |
| CN103644316B (en) | A kind of self cooling hot-resistant valve | |
| CN104675763A (en) | Compressed air energy storage device with heating function and method for operating compressed air energy storage device | |
| CN201326746Y (en) | High-temperature high-pressure relief valve | |
| CN219281922U (en) | New hydrogen compression device for carbon nine petroleum resin high-pressure hydrogenation device | |
| CN205174998U (en) | Quick starting drive of air seperation plant | |
| CN105179717A (en) | Anti-scouring and anti-corrosion high-pressure throttling valve and producing method of combined valve element | |
| CN212359897U (en) | Low-pressure oil outlet system of electric lubricating pump | |
| CN211951469U (en) | Butterfly valve with good sealing stability | |
| CN218935473U (en) | Bellows seal high-pressure regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 214101 No. 4, Chunlei Road, Xishan District, Wuxi City, Jiangsu Province Patentee after: WUXI HAIHANG ELECTRO-HYDRAULIC SERVO SYSTEM OF LIMITED BY SHARE LTD. Address before: 214027 No.11, area a, South Station Economic Development Park, no.1899 Jianghai East Road, Xinwu District, Wuxi City, Jiangsu Province Patentee before: WUXI HAIHANG ELECTRO-HYDRAULIC SERVO SYSTEM OF LIMITED BY SHARE LTD. |
|
| CP02 | Change in the address of a patent holder |