CN210600422U - High-temperature high-pressure scouring-free adjusting stop valve structure - Google Patents
High-temperature high-pressure scouring-free adjusting stop valve structure Download PDFInfo
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- CN210600422U CN210600422U CN201921558436.7U CN201921558436U CN210600422U CN 210600422 U CN210600422 U CN 210600422U CN 201921558436 U CN201921558436 U CN 201921558436U CN 210600422 U CN210600422 U CN 210600422U
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- air outlet
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- cage
- temperature high
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Abstract
The utility model provides a high temperature high pressure is exempted from to erode and is adjusted stop valve structure, its valve is controlled comparatively simply, avoids the production of cavitation erosion, effectively prevents the damage of case and disk seat, improves the life of case, disk seat, and it includes valve body and valve gap, set up air inlet and gas outlet on the valve body, correspond on the valve body the air inlet with be provided with the case between the gas outlet, the case passes through the disk seat and connects the valve body, valve rod, its characterized in that are connected to the case: the valve body is provided with a cage corresponding to the valve core, the valve core moves in the cage in a guiding way, the cage is provided with a plurality of air outlet through grooves, and the valve core is provided with a valve core sinking groove corresponding to the air outlet through groove.
Description
Technical Field
The utility model relates to a technical field that the valve industry was made, in particular to high temperature high pressure exempts from to brush and adjusts stop valve structure.
Background
The valve used under the high-temperature high-pressure environment, when rivers pass through the valve, water can produce the bubble, current relief pressure valve can break the bubble when inlet pressure is great with the pressure difference of giving vent to anger, form the impact to disk seat and case when the bubble breaks to produce cavitation to disk seat and case, the zero boundary pressure that can produce cavitation is cavitation erosion pressure, because disk seat and case produce cavitation erosion, so the valve will often wash, eliminate cavitation erosion, its valve is controlled comparatively complicacy, and can also cause the damage of case and disk seat, reduce the life of case, disk seat.
Disclosure of Invention
To the technical problem, the utility model provides a high temperature high pressure is exempted from to erode and is adjusted stop valve structure, its valve is controlled comparatively simply, avoids the production of cavitation erosion, effectively prevents the damage of case and disk seat, improves the life of case, disk seat. .
The technical scheme is as follows: the utility model provides a high temperature high pressure exempts from to brush and adjusts stop valve structure, its includes valve body and valve gap, set up air inlet and gas outlet on the valve body, correspond on the valve body the air inlet with be provided with the case between the gas outlet, the case passes through the disk seat and connects the valve body, the valve rod is connected to the case, its characterized in that: the valve body is provided with a cage corresponding to the valve core, the valve core moves in the cage in a guiding way, the cage is provided with a plurality of air outlet through grooves, and the valve core is provided with a valve core sinking groove corresponding to the air outlet through groove.
The air outlet through grooves are further characterized in that the air outlet through grooves are arranged in a single row; a plurality of rows of cage cover air outlet holes are arranged at the lower end of the air outlet through groove, and the cage cover air outlet holes are formed by arranging a plurality of rows of air outlet holes; the diameter of the air outlet of the cage cover is 1mm-3 mm; the valve core is provided with a balance hole, and the balance hole penetrates through the upper end of the valve core and the valve core sinking groove; the upper end of the cage cover is provided with a single row of upper air outlet holes of the cage cover; a valve seat gasket is arranged between the valve seat and the valve body; a packing pad is arranged between the valve rod and the valve cover; the filler pad is made of chromium material.
The above structure is adopted in the utility model, it is provided with the cage to correspond the case on the valve body, the case is at the cage in guide motion, it has a plurality of logical grooves of giving vent to anger to arrange on the cage, be provided with on the case and give vent to anger the case that leads to the corresponding groove that sinks of groove, pressure steam gets into the case and sinks the inslot, the pressure of case upper end has been reduced, the big simple regulation of air inlet and gas outlet steam pressure has been realized, it is comparatively simple to make the valve control, avoid the production of cavitation, effectively prevent the damage of case and disk seat, improve the case, the.
Drawings
FIG. 1 is a schematic structural view of a high-temperature high-pressure flushing-free adjustable stop valve of the present invention;
fig. 2 is an enlarged schematic structure diagram of the cage.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
See fig. 1, fig. 2, a high temperature high pressure is exempted from to brush and is adjusted stop valve structure, it includes valve body 1 and valve gap 2, set up air inlet 3 and gas outlet 4 on the valve body 1, it is provided with case 5 to correspond between air inlet 3 and gas outlet 4 on the valve body 1, case 5 passes through disk seat 6 and connects valve body 1, case 5 connects valve rod 7, it is provided with cage cover 8 to correspond case 5 on the valve body 1, case 5 is the guide motion in cage cover 8, it arranges a plurality of single row and arranges logical groove 9 of giving vent to anger to arrange on the cage cover 8, be provided with the case heavy groove 10 that corresponds with logical groove 9 of giving vent to anger on the case 5, pressure steam gets into the case heavy groove, the pressure of case upper end has been reduced, the big simple regulation of air inlet and gas outlet steam pressure has been realized, it is comparatively simple to make the valve control.
The lower end of the air outlet through groove 9 is provided with a plurality of rows of cage cover air outlet holes 11, the cage cover air outlet holes 11 are arranged by a plurality of rows of air outlet holes, the diameter of the cage cover air outlet holes 11 is 1mm-3mm, and the stability of air outlet steam pressure and air outlet steam pressure in the movement process of the valve core is ensured.
The valve core 5 is provided with a balance hole 12, the balance hole 12 penetrates through the upper end of the valve core 5 and the valve core sinking groove 10, pressure balance of the upper end and the lower end of the valve core is achieved, and thrust of the valve rod actuating mechanism is reduced.
The upper end of the cage cover 8 is provided with a single row of cage cover upper air outlet holes 13, so that the steam flow when the valve core moves to the upper end is realized, and the stability of the steam pressure of the air outlet and the steam pressure of the air outlet in the movement process of the valve core is further ensured.
A valve seat gasket 14 is arranged between the valve seat 6 and the valve body 1, so that sealing between the valve body and the valve body is ensured, and leakage of the valve is prevented.
A chromium material packing pad 15 is arranged between the valve rod 7 and the valve cover 2 to prevent liquid from axially leaking.
The present invention and the embodiments thereof have been described above schematically, and the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto, and those skilled in the art will be suggested by the teachings thereof, and without departing from the spirit of the present invention, without creatively designing the structural mode and the embodiments similar to the technical solution, all of which shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a high temperature high pressure exempts from to brush and adjusts stop valve structure, its includes valve body and valve gap, set up air inlet and gas outlet on the valve body, correspond on the valve body the air inlet with be provided with the case between the gas outlet, the case passes through the disk seat and connects the valve body, the valve rod is connected to the case, its characterized in that: the valve body is provided with a cage corresponding to the valve core, the valve core moves in the cage in a guiding way, the cage is provided with a plurality of air outlet through grooves, and the valve core is provided with a valve core sinking groove corresponding to the air outlet through groove.
2. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 1, characterized in that: the air outlet through grooves are arranged in a single row.
3. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 1, characterized in that: the lower end of the air outlet through groove is provided with a plurality of rows of cage cover air outlet holes which are arranged in a plurality of rows of air outlet holes.
4. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 3, characterized in that: the diameter of the air outlet of the cage cover is 1mm-3 mm.
5. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 1, characterized in that: the valve core is provided with a balance hole, and the balance hole penetrates through the upper end of the valve core and the valve core sinking groove.
6. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 1, characterized in that: and the upper end of the cage cover is provided with a single row of upper air outlet holes of the cage cover.
7. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 1, characterized in that: and a valve seat gasket is arranged between the valve seat and the valve body.
8. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 1, characterized in that: and a packing pad is arranged between the valve rod and the valve cover.
9. The high-temperature high-pressure flushing-free adjusting stop valve structure according to claim 8, characterized in that: the filler pad is made of chromium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558436.7U CN210600422U (en) | 2019-09-19 | 2019-09-19 | High-temperature high-pressure scouring-free adjusting stop valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558436.7U CN210600422U (en) | 2019-09-19 | 2019-09-19 | High-temperature high-pressure scouring-free adjusting stop valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600422U true CN210600422U (en) | 2020-05-22 |
Family
ID=70697237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921558436.7U Active CN210600422U (en) | 2019-09-19 | 2019-09-19 | High-temperature high-pressure scouring-free adjusting stop valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600422U (en) |
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2019
- 2019-09-19 CN CN201921558436.7U patent/CN210600422U/en active Active
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