CN209876488U - Double-layer anti-scouring hydrophobic adjusting valve - Google Patents
Double-layer anti-scouring hydrophobic adjusting valve Download PDFInfo
- Publication number
- CN209876488U CN209876488U CN201920313749.XU CN201920313749U CN209876488U CN 209876488 U CN209876488 U CN 209876488U CN 201920313749 U CN201920313749 U CN 201920313749U CN 209876488 U CN209876488 U CN 209876488U
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- China
- Prior art keywords
- valve
- scouring
- clack
- double
- layer
- 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.)
- Expired - Fee Related
Links
- 238000009991 scouring Methods 0.000 title claims abstract description 28
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 239000010410 layer Substances 0.000 claims abstract description 27
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a double-layer anti-scouring hydrophobic regulating valve, which comprises a valve body, a valve seat, a valve clack, a valve cage and a valve rod, wherein the bottom of the inner cavity of the valve body is provided with the valve seat, the valve seat is provided with a valve seat sealing surface, and a first gasket is arranged between the valve seat and the valve body; be equipped with the valve cage on the disk seat, install the valve clack in the valve cage, valve clack inner chamber is equipped with the recess, and the recess links to each other with the valve rod, and the outside of valve clack is provided with the valve clack conical surface and seals, and the outer build-up welding one deck of valve clack conical surface seal is not less than the protective layer of sealed face, and this protective layer is the second anti scouring layer, and the top on the anti scouring layer of second is equipped with the clamp plate, and the clamp plate top is equipped with the valve gap, is equipped with the self-sealing ring between valve gap and the valve body, the utility model discloses an aspect can avoid the fluid medium to wash away the.
Description
Technical Field
The utility model relates to a hydrophobic control valve specifically is a double-deck antiscour hydrophobic control valve.
Background
The drain control valve is suitable for a valve in a high-temperature high-pressure steam drain pipeline and has the basic function of timely draining condensed water and steam in a steam system; while preventing steam leakage as much as possible to reduce heat loss.
The traditional hydrophobic regulating valve is slow in action, a valve core and a valve rod are connected in an integrated mode, the problem of concentricity cannot be solved, pure media are required to flow through the valve, impurities cannot be contained, a valve seat and a valve clack are in direct contact with the media, valve internals are easy to scour, serious in corrosion and short in service life, the maintenance cost is high, along with the continuous expansion of the domestic single-machine assembly capacity, the temperature and pressure parameters of a hydrophobic system are increased day by day, the conventional hydrophobic regulating valve cannot be applied to various severe working conditions such as high temperature, high pressure, serious scouring of steam-water two-phase flow, more impurities in the media, cavitation, flash evaporation, vibration and the like, and the reformation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-deck antiscour hydrophobic adjusting valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a double-layer anti-scouring hydrophobic regulating valve comprises a valve body, a valve seat, a valve clack, a valve cage and a valve rod, wherein the valve seat is installed at the bottom of an inner cavity of the valve body, a valve seat sealing surface is arranged on the valve seat, and a first gasket is arranged between the valve seat and the valve body; the valve seat is provided with a valve cage, a valve clack is installed in the valve cage, a groove is formed in the inner cavity of the valve clack and connected with a valve rod, the valve clack is sealed in a conical surface mode, the outer surfacing layer which is sealed in the conical surface mode of the valve clack is not lower than a protective layer of a sealing surface, the protective layer is a second anti-scouring layer, a pressing plate is arranged above the second anti-scouring layer, a valve cover is arranged above the pressing plate, and a self-sealing ring is arranged between.
As a further aspect of the present invention: the lower end of the valve cage is uniformly provided with a plurality of flow guide holes with the same specification, wherein the size, the shape and the number of the flow guide holes are different according to the flow requirement, the valve rod is inserted into the groove to be movably connected with the valve clack and tightly press the valve clack, the valve rod has self-adjusting capacity, and the problem of concentricity of a valve rod valve core is solved.
As a further aspect of the present invention: be equipped with socket head cap screw in the clamp plate, socket head cap screw locks on the valve body, has seted up the through-hole in the middle of the valve gap, and the valve rod passes the through-hole that is provided with on the valve gap, simultaneously it has the filler to fill between through-hole upper end and the valve rod, and the filler top is equipped with the packing and presses the cover, and the packing is pressed the cover top and is equipped with the clamp plate that.
As a further aspect of the present invention: a lower connecting disc is arranged above the self-sealing ring, a second gasket is arranged between the lower connecting disc and the valve body, the lower connecting disc compresses the self-sealing ring, and the lower connecting disc is connected with the packing press plate through a connecting stud; the upper part of the valve body can be connected with a pneumatic actuator, an electric actuator and a manual actuator.
As a further aspect of the present invention: the model of the double-layer anti-scouring hydrophobic regulating valve is KS/TJ type.
As a further aspect of the present invention: the valve seat is provided with a valve cage, the valve cage is sleeved outside the valve clack and tightly pressed on the valve seat, the bottom of a flow guide hole of the valve cage is higher than the sealing surface of the valve seat, so that the valve cage protects the sealing surface of the valve seat, namely a first anti-scouring layer, the outer side of the valve clack is provided with a valve clack conical surface seal, a protective layer not lower than the sealing surface is welded on the periphery of the valve clack conical surface seal in an overlaying mode, and the effect of protecting.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a carry out special optimal design to the valve clack, the case adopts the conical surface sealed, build-up welding one deck protective layer protection case sealing face around the sealed face, valve cage water conservancy diversion hole design height makes water conservancy diversion hole bottom be higher than the sealed face of disk seat, when the valve is opened, because valve cage water conservancy diversion hole bottom is higher than the sealed face of disk seat, can avoid the direct washing away of fluid medium to the sealed face of disk seat on the one hand, on the other hand prevents impurity jam disk seat sealing face in the medium, meanwhile the case also can prevent the direct washing away of fluid medium to the sealed face of valve core owing to have peripheral protective layer. When the valve is closed, the sealing surface of the valve clack is tightly matched with the sealing surface of the valve seat, and the peripheral protective layer of the valve clack blocks the sealing surfaces of the valve clack and the valve seat, so that the conical surface seal of the valve clack and the sealing surface of the valve seat are permanently prevented from being washed away by medium fluid. The utility model relates to a rationally, the effectual rationality that improves the interior part structure of hydrophobic control valve has improved hydrophobic control valve's sealing performance, resistant scouring ability, life etc. greatly
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
In the figure, 1-valve body, 2-first gasket, 3-valve seat, 31-valve seat conical surface sealing surface, 4-valve flap, 41-valve flap conical surface sealing surface, 42-valve flap sealing surface protective layer, 5-valve cage, 6-pressing plate, 7-valve rod, 8-self-sealing ring, 9-second gasket, 10-valve cover, 11-lower connecting plate, 12-filler, 13-pressing plate, 14-filler pressing sleeve, 15-filler pressing plate and 16-connecting pressing bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, a double-layer anti-scouring hydrophobic regulating valve comprises a valve body 1, a valve seat 3, a valve flap 4, a valve cage 5 and a valve rod 7, wherein the valve seat 3 is installed at the bottom of an inner cavity of the valve body 1, a valve seat sealing surface 31 is arranged on the valve seat 3, and a first gasket 2 is arranged between the valve seat 3 and the valve body 1; the valve seat 3 is provided with a valve cage 5, the lower end of the valve cage 5 is uniformly provided with a plurality of flow guide holes with the same specification, wherein the size, the shape and the number of the flow guide holes are different according to different flow requirements, a valve clack 4 is arranged in the valve cage 5, a valve clack conical surface seal 41 is arranged on the outer side of the valve clack 4, a protective layer which is not lower than a sealing surface is formed by surfacing welding the valve clack conical surface seal 41, the protective layer is a second anti-scouring layer, the inner cavity of the valve clack 4 is provided with a groove, the groove is connected with a valve rod 7, the valve rod 7 is inserted into the groove and is movably connected with the valve clack 4; a pressing plate 6 is arranged above the second anti-scouring layer, an inner hexagon screw is arranged in the pressing plate 6 and locked on the valve body 1, a valve cover 10 is arranged above the pressing plate 6, a through hole is formed in the middle of the valve cover 10, the valve rod 7 penetrates through the through hole formed in the valve cover 10, meanwhile, a filler 12 is filled between the upper end of the through hole and the valve rod 7, a filler pressing sleeve 14 is arranged above the filler 12, a filler pressing plate 15 is arranged above the filler pressing sleeve 14, a self-sealing ring 8 is arranged between the valve cover 10 and the valve body 1, a lower connecting disc 11 is arranged above the self-sealing ring 8, a second gasket 9 is arranged between the lower connecting disc 11 and the valve body 1, the lower connecting disc 11 compresses the self-sealing ring 8; the upper part of the valve body 1 can be connected with a pneumatic actuator, an electric actuator and a manual actuator.
Furthermore, in the embodiment, the model of the double-layer anti-scouring hydrophobic regulating valve is KS/TJ type.
Further, in this embodiment, a valve cage 5 is disposed above the valve seat 3, the valve cage 5 is sleeved outside the valve flap 4 and is pressed on the valve seat 3, and the bottom of a flow guiding hole of the valve cage 5 is higher than the valve seat sealing surface 31, so that the valve cage 5 protects the valve seat sealing surface, that is, the first anti-scouring layer.
Furthermore, in this embodiment, the outer side of the valve flap is provided with a valve flap conical surface seal, and a protective layer not lower than the sealing surface is deposited on the periphery of the valve flap conical surface seal, so that the sealing surface is protected.
The utility model discloses a theory of operation is:
the utility model discloses a carry out special optimal design to the valve clack, the case adopts the conical surface sealed, build-up welding one deck protective layer protection case sealing face around the sealed face, valve cage water conservancy diversion hole design height makes water conservancy diversion hole bottom be higher than the sealed face of disk seat, when the valve is opened, because valve cage water conservancy diversion hole bottom is higher than the sealed face of disk seat, can avoid the direct washing away of fluid medium to the sealed face of disk seat on the one hand, on the other hand prevents impurity jam disk seat sealing face in the medium, meanwhile the case also can prevent the direct washing away of fluid medium to the sealed face of valve core owing to have peripheral protective layer. When the valve is closed, the sealing surface of the valve clack is tightly matched with the sealing surface of the valve seat, and the peripheral protective layer of the valve clack blocks the sealing surfaces of the valve clack and the valve seat, so that the conical surface seal of the valve clack and the sealing surface of the valve seat are permanently prevented from being washed away by medium fluid. The utility model relates to a rationally, the effectual rationality that improves the interior part structure of hydrophobic control valve has improved hydrophobic control valve's sealing performance, resistant scouring ability, life etc. greatly.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A double-layer anti-scouring hydrophobic regulating valve comprises a valve body (1), a valve seat (3), a valve flap (4), a valve cage (5) and a valve rod (7), and is characterized in that the valve seat (3) is installed at the bottom of an inner cavity of the valve body (1), a valve seat sealing surface (31) is arranged on the valve seat (3), and a first gasket (2) is arranged between the valve seat (3) and the valve body (1); be equipped with valve cage (5) on disk seat (3), install valve clack (4) in valve cage (5), valve clack (4) inner chamber is equipped with the recess, the recess links to each other with valve rod (7), the outside of valve clack (4) is provided with the valve clack conical surface and seals (41), the outer build-up welding one deck that the valve clack conical surface seals (41) is not less than the protective layer of sealed face, this protective layer is the second and resists the layer of washout, the top that the second is anti to brush the layer is equipped with clamp plate (6), clamp plate (6) top is equipped with valve gap (10), be equipped with self-sealing ring (8) between.
2. The double-layer anti-scouring and hydrophobic adjusting valve as claimed in claim 1, wherein a plurality of guide holes with the same specification are uniformly formed in the lower end of the valve cage (5).
3. The double-layer anti-scouring hydrophobic adjusting valve as claimed in claim 1, wherein the valve rod (7) is inserted into the groove to be movably connected with the valve clack (4) and press the valve clack (4), and the valve rod (7) has self-adjusting capability.
4. The double-layer anti-scouring hydrophobic adjusting valve according to claim 3, wherein the pressure plate (6) is internally provided with a socket head cap screw which is locked on the valve body (1).
5. The double-layer anti-scouring hydrophobic adjusting valve according to claim 1, wherein a through hole is formed in the middle of the valve cover (10), the valve rod (7) penetrates through the through hole formed in the valve cover (10), meanwhile, a filler (12) is filled between the upper end of the through hole and the valve rod (7), a filler pressing sleeve (14) is arranged above the filler (12), and a filler pressing plate (15) is arranged above the filler pressing sleeve (14).
6. The double-layer anti-scouring hydrophobic regulating valve according to claim 5, wherein a lower connecting disc (11) is arranged above the self-sealing ring (8), a second gasket (9) is arranged between the lower connecting disc (11) and the valve body (1), the self-sealing ring (8) is compressed by the lower connecting disc (11), and the lower connecting disc (11) is connected with a packing press plate (15) through a connecting stud (16); the upper part of the valve body (1) is connected with a pneumatic, electric or manual actuator.
7. The double-layer anti-scouring hydrophobic regulating valve according to any one of claims 1 to 6, wherein the double-layer anti-scouring hydrophobic regulating valve is of type KS/TJ.
8. The double-layer anti-scouring hydrophobic regulating valve according to claim 1, wherein a valve cage (5) is arranged above the valve seat (3), the valve cage (5) is sleeved outside the valve clack (4) and is pressed on the valve seat (3), and the bottom of a flow guide hole of the valve cage (5) is higher than a valve seat sealing surface (31), so that the valve cage (5) protects the valve seat sealing surface to form a first anti-scouring layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313749.XU CN209876488U (en) | 2019-03-13 | 2019-03-13 | Double-layer anti-scouring hydrophobic adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313749.XU CN209876488U (en) | 2019-03-13 | 2019-03-13 | Double-layer anti-scouring hydrophobic adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209876488U true CN209876488U (en) | 2019-12-31 |
Family
ID=68954739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920313749.XU Expired - Fee Related CN209876488U (en) | 2019-03-13 | 2019-03-13 | Double-layer anti-scouring hydrophobic adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209876488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635973A (en) * | 2022-03-18 | 2022-06-17 | 南方阀门科技有限公司 | Main steam high-temperature high-pressure valve seat-replaceable stop valve |
-
2019
- 2019-03-13 CN CN201920313749.XU patent/CN209876488U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635973A (en) * | 2022-03-18 | 2022-06-17 | 南方阀门科技有限公司 | Main steam high-temperature high-pressure valve seat-replaceable stop valve |
| CN114635973B (en) * | 2022-03-18 | 2023-09-12 | 南方阀门科技有限公司 | Main steam high-temperature high-pressure replaceable valve seat stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |