CN207178816U - A kind of Novel sleeve regulating valve - Google Patents
A kind of Novel sleeve regulating valve Download PDFInfo
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- CN207178816U CN207178816U CN201720693781.6U CN201720693781U CN207178816U CN 207178816 U CN207178816 U CN 207178816U CN 201720693781 U CN201720693781 U CN 201720693781U CN 207178816 U CN207178816 U CN 207178816U
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- valve
- bonnet
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- cage
- hole
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Abstract
The utility model discloses a kind of Novel sleeve regulating valve, including valve body, bonnet and valve element, the valve body two sides are respectively equipped with medium entrance and media outlet, the valve body upper end is provided with bonnet, the valve inner is provided with valve cage, through hole is provided with the valve cage top center, valve element is provided with inside the valve cage, the valve element upper surface is fixedly connected with valve rod, medium runner is provided with below the valve element, the valve cage lower circumference face is provided with compact arranged aperture, the valve element upper end is provided with boss, the boss periphery is provided with groove, balanced seal ring is provided with the groove.Window pattern is changed to porous type, the vibration source of regulating valve is set to occur in flow at high speed, pressure restriction jumpy, i.e. by changing vibration source frequency, reduce turbulent flow of the medium in valve pocket, resonance point is shifted, by increasing balanced seal ring, reduces and is oriented to fit clearance between valve cage inwall and valve element, buffering disc vibration is played, while can also play a part of auxiliary seal.
Description
Technical field
Valve technology field is the utility model is related to, specially a kind of Novel sleeve regulating valve.
Background technology
Sleeve adjusting valve is also known as cage type regulating valve, and it uses the valve body of single-seat valve, and a circular sleeve is inserted in valve body,
According to the discharge characteristic of different needs, hole of different shapes is opened on sleeve, the sleeve-shaped of perforate is commonly called as cage tune again as cage
Save valve.It is made up of parts such as valve body, sleeve (valve cage), valve element, valve rod, bonnet, gasket seal, fillers.Valve element is drum type brake,
Moved up and down in valve cage, adjust the size of flow by cutting the effective area of perforate on port valve cage, design pressure on valve element
Balance pipe, it can effectively eliminate the axial out-of-balance force for acting on valve element top and the bottom.
Steam pipe system 4.0MPA subtracts 2.8MPA pipelines and provides sealing steam for space division steam turbine, and 2.8MPA steam shortage can
Space division turbine shaft sealed steam can be caused to lack, and cause Large-scale machine set to damage；Pressure-reducing valve is to ensure 2.8MPA steam pipe lines
Capital equipment, the fluctuation of valve position is serious during use, causes pressure transient after pressure reducer, is brought not to the purging work of full factory
Just, and to later unit operation bring major safety risks.
At present, in the sleeve adjusting valve of in the market, valve cage is Multi-window structure, and valve element makes in the early stage without balanced seal ring
During, valve often occur it is stuck or it is out of control cause the fluctuation of subordinate pipe network, bring considerable safety hidden to space division unit operation
Suffer from.
Utility model content
The purpose of this utility model is to provide a kind of Novel sleeve regulating valve, by the way that window pattern is changed into porous type,
The vibration source of regulating valve is set to occur in flow at high speed, pressure restriction jumpy, i.e., by changing vibration source frequency, to reduce medium
Turbulent flow in valve pocket, shift resonance point；By increasing balanced seal ring, reduce and be oriented between valve cage inwall and valve element between cooperation
Gap, buffering disc vibration is played, while can also play a part of auxiliary seal.
To achieve the above object, the utility model provides following technical scheme：A kind of Novel sleeve regulating valve, including valve
Body, bonnet and valve element, the valve body two sides are respectively equipped with medium entrance and media outlet, and the valve body upper end is provided with bonnet,
Detachable connection between the bonnet and valve body, the valve inner are provided with valve cage, are provided with the valve cage top center logical
Hole, the valve cage inside are provided with valve element, and the valve element upper surface is fixedly connected with valve rod, and medium flow field is provided with below the valve element
Road, the valve cage lower circumference face are provided with compact arranged aperture, and the valve element upper end is provided with boss, and the boss periphery is set
Fluted, the groove is uniformly distributed on boss periphery, and balanced seal ring is provided with the groove.
Preferably, the valve aperture of the valve body (1) is changed to DN250*175 by former DN250*150, and specified Cv is from 366
Increase to 563, valve is normal/maximum stream flow aperture by：80%/100% is adjusted to 58.5%/73.5%, the valve type
For buck.
Preferably, through hole is provided with the hair lid center, the valve rod is located in through hole, and the valve stem tip is fixedly connected
There is connecting rod.
Preferably, the valve body upper surface is provided with screwed hole, and the bottom of the bonnet is provided with flange, and the flange surface is set
There is circular hole, the through hole is rounded to be uniformly distributed at flange periphery, and the bonnet passes through bolt detachable connection with valve body.
Preferably, rubber washer is provided between the bonnet and valve body, the rubber washer surface is provided with corresponding through hole.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model increase one-level decompression, reduces the flow velocity of medium, reduced by the way that valve type is changed into buck
The influence of turbulent flow, while rating curve is optimized, near linear is changed to by straight line, window pattern is changed to porous type,
With the increase of stream quantity, the vibration source of regulating valve is set to occur in flow at high speed, pressure restriction jumpy, that is, to pass through change
Vibration source frequency, to reduce turbulent flow of the medium in valve pocket, shift resonance point.
2nd, by the way that valve aperture is changed into DN250*175 by former DN250*150, specified Cv increases the utility model from 366
Greatly to 563, valve is normal/maximum stream flow aperture by：80%/100% is adjusted to 58.5%/73.5%, reduces in medium turbulent flow
When valve element and valve cage inwall mechanical oscillation, and increase balanced seal ring, reduce between being oriented to and coordinating between valve cage inwall and valve element
Gap, buffering disc vibration is played, while can also play a part of auxiliary seal.
Brief description of the drawings
Fig. 1 is the utility model sleeve adjusting valve structural representation；
Fig. 2 is the utility model valve element and valve cage structure schematic diagram；
Fig. 3 is the utility model valve body and head cover engaging structure schematic diagram；
In figure：1- valve bodies, 11- medium entrances, 12- media outlets, 13- screwed holes, 2- bonnets, 21- flanges, 3- valve elements,
31- boss, 32- grooves, 33- medium runners, 4- valve cages, 41- apertures, 5- valve rods, 6- through holes, 7- balanced seal rings, 8- connections
Bar, 9- bolts, 10- rubber washers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.
Refer to Fig. 1-3 the utility model and a kind of technical scheme is provided：A kind of Novel sleeve regulating valve, including valve body 1, valve
Lid 2 and valve element 3, the two sides of valve body 1 are respectively equipped with medium entrance 11 and media outlet 12, and the upper end of valve body 1 is provided with valve
Lid 2, detachable connection between the bonnet 2 and valve body 1, the inside of the valve body 1 are provided with valve cage 4, at the top of the valve cage 4 in
Through hole 6 is provided with the heart, the inside of valve cage 4 is provided with valve element 3, and the upper surface of valve element 3 is fixedly connected with valve rod 5, the valve element 3
Lower section is provided with medium runner 33, and the lower circumference face of valve cage 4 is provided with compact arranged aperture 41, and the upper end of valve element 3 is provided with
Boss 31, the periphery of boss 31 are provided with groove 32, and the groove 32 is uniformly distributed on the periphery of boss 31, described recessed
Balanced seal ring 7 is provided with groove 32.
The valve aperture of the valve body (1) is changed to DN250*175 by former DN250*150, and specified Cv increases to from 366
563, valve is normal/maximum stream flow aperture by：80%/100% is adjusted to 58.5%/73.5%, and the valve type is decompression
Formula, reduce the mechanical oscillation of valve element 3 and the inwall of valve cage 4 in medium turbulent flow.
Through hole 6 is provided with the center of bonnet 2, the valve rod 5 is located in through hole 6, and the top of valve rod 5 is fixedly connected with
Connecting rod 8, the bottom of valve rod 5 are fixedly connected with valve element 3, and top is through bonnet 2 and is provided with connecting rod 8, is easy in sleeve adjusting valve
Top installation collaborative work equipment.
The upper surface of valve body 1 is provided with screwed hole 13, and the bottom of the bonnet 2 is provided with flange 21, the surface of flange 21
Provided with through hole 6, the through hole 6 is rounded to be uniformly distributed in the edge of flange 21, and the bonnet 2 is removable by bolt 9 with valve body 1
Formula connection is unloaded, is fixedly connected between valve body 1 and bonnet 2 by bolt 9, facilitates the progress of service work, reduces sleeve adjusting valve
Maintenance difficulty.
Rubber washer 10 is provided between the bonnet 2 and valve body 1, the surface of rubber washer 10 is provided with corresponding through hole 6, rubber
Rubber gasket 10 seals after bonnet 2 closes with valve body 1, the dielectric leakage in valve body 1 is prevented, by rubber washer 10
Surface is provided with through hole 6, is easily installed operation.
Operation principle：The utility model when in use, first accesses sleeve adjusting valve in pipeline, and by pipeline and valve body 1
Fixed, pipeline equipment operationally, regulating valve stem 5, makes valve rod 5 be moved up and down with movable valve plug 3 in valve cage 4, passes through control valve
The aperture 41 of the side wall of cage 4 connects quantity, flow velocity and flow of the control medium in valve body 1, it is caused at work to reduce valve body 1
Vibration, the stability of valve body 1 is improved, by being provided with balanced seal ring 7 on the periphery of boss 31 of valve element 3, reduced in valve cage 4
Fit clearance is oriented between wall and valve element 3, buffering valve element 3 is played and vibrates, while can also play a part of auxiliary seal, is improved
The practicality of sleeve adjusting valve.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., this practicality should be included in
Within new protection domain.
Claims (5)
1. a kind of Novel sleeve regulating valve, including valve body (1), bonnet (2) and valve element (3), valve body (1) two sides are set respectively
There are medium entrance (11) and media outlet (12), valve body (1) upper end is provided with bonnet (2), the bonnet (2) and valve body (1)
Between detachable connection, is provided with valve cage (4) inside the valve body (1), through hole (6) is provided with valve cage (4) top center,
Valve element (3) is provided with inside the valve cage (4), valve element (3) upper surface is fixedly connected with valve rod (5), below the valve element (3)
Provided with medium runner (33), it is characterised in that：Valve cage (4) the lower circumference face is provided with compact arranged aperture (41), described
Valve element (3) upper end is provided with boss (31), and boss (31) periphery is provided with groove (32), and the groove (32) is uniformly distributed in
On boss (31) periphery, balanced seal ring (7) is provided with the groove (32).
A kind of 2. Novel sleeve regulating valve according to claim 1, it is characterised in that：The valve aperture of the valve body (1)
DN250*175 is changed to by former DN250*150, specified Cv increases to 563 from 366, valve is normal/maximum stream flow aperture by：
80%/100% is adjusted to 58.5%/73.5%.
A kind of 3. Novel sleeve regulating valve according to claim 1, it is characterised in that：It is provided with bonnet (2) center
Through hole (6), the valve rod (5) are located in through hole (6), and valve rod (5) top is fixedly connected with connecting rod (8).
A kind of 4. Novel sleeve regulating valve according to claim 1, it is characterised in that：Valve body (1) upper surface is provided with
Screwed hole (13), the bottom of the bonnet (2) are provided with flange (21), and flange (21) surface is provided with through hole (6), the through hole
(6) rounded to be uniformly distributed in flange (21) edge, the bonnet (2) passes through bolt (9) detachable company with valve body (1)
Connect.
A kind of 5. Novel sleeve regulating valve according to claim 1, it is characterised in that：The bonnet (2) and valve body (1) it
Between be provided with rubber washer (10), rubber washer (10) surface is provided with corresponding through hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693781.6U CN207178816U (en) | 2017-06-14 | 2017-06-14 | A kind of Novel sleeve regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693781.6U CN207178816U (en) | 2017-06-14 | 2017-06-14 | A kind of Novel sleeve regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178816U true CN207178816U (en) | 2018-04-03 |
Family
ID=61734864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720693781.6U Active CN207178816U (en) | 2017-06-14 | 2017-06-14 | A kind of Novel sleeve regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451144A (en) * | 2021-06-08 | 2022-12-09 | 中核核电运行管理有限公司 | Cage type regulating valve based on unchanged valve body structure |
-
2017
- 2017-06-14 CN CN201720693781.6U patent/CN207178816U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451144A (en) * | 2021-06-08 | 2022-12-09 | 中核核电运行管理有限公司 | Cage type regulating valve based on unchanged valve body structure |
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