CN207229789U - U-shaped noise reduction cage type regulating valve - Google Patents
U-shaped noise reduction cage type regulating valve Download PDFInfo
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- CN207229789U CN207229789U CN201721258155.0U CN201721258155U CN207229789U CN 207229789 U CN207229789 U CN 207229789U CN 201721258155 U CN201721258155 U CN 201721258155U CN 207229789 U CN207229789 U CN 207229789U
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- valve
- noise reduction
- cage
- spool
- cylinder
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Abstract
U-shaped noise reduction cage type regulating valve, include valve body, valve seat, spool, valve cage, bonnet, filler and valve rod, spool is connected with valve rod, spool has the cylinder of tubular, cylinder is equipped with the flow window of inverted U, flow window is uniformly covered with a circle in cylinder, valve cage is noise reduction valve cage, noise reduction hole is uniformly distributed on the noise reduction valve cage, valve seat is located in valve body, valve cage is located on valve seat, spool is located in valve cage, clearance fit between cylinder and valve seat, also there is flange collar part on spool, the flange collar part is located at the top of flow window, seal and coordinate when the flange collar part is contacted with valve seat；It is simple in structure, from temperature limiting, without medium cleanliness factor particular/special requirement, cost is low for manufacture, excellent noise reduction effect.
Description
Technical field
The utility model is related to a kind of U-shaped noise reduction cage type regulating valve, be widely used in steam, biphase gas and liquid flow, gas,
Emptying etc., for the adjusting and control of technological parameter, belongs to instrument there may be inexpensive, the high-effect regulating valve under noise operating mode
Table control field.
Background technology
At present in industries such as oil, petrochemical industry, power plant, pharmacy to media such as steam, water vapour, biphase gas and liquid flow, gases
Flow, pressure, temperature adjustment control, adjusting valve-type has balance cage type regulating valve and single-seat adjusting valve.
Balance cage type regulating valve using balance valve core and noise reduction valve cage, curve valve cage to coordinate, the supporting actuator of its feature pushes away
Power is small, noise reduction is obvious, but its is complicated, requires that medium cleanliness factor is high, sealing ring is limited by temperature in use, manufactures cost
It is high.
Single-seat adjusting valve uses parabola spool, simple in structure, limited without temperature in use, but out-of-balance force is big, supporting holds
Row device thrust increases, and noise reduction is weak.
Utility model content
In view of technical problem present in background technology, the technical problem that the utility model is solved aims to provide a kind of U
Type noise reduction cage type regulating valve.
In order to solve the above technical problems, the utility model adopts the following technical scheme：U-shaped noise reduction cage type regulating valve, bag
Include valve body, valve seat, spool, valve cage, bonnet, filler and valve rod, it is characterised in that：Spool is connected with valve rod, and spool has
The cylinder of tubular, cylinder are equipped with the flow window of inverted U, and flow window is uniformly covered with a circle in cylinder, and valve cage is noise reduction valve
Cage, is uniformly distributed noise reduction hole on the noise reduction valve cage, valve seat is located in valve body, and valve cage is located on valve seat, and spool is located in valve cage, cylinder
Clearance fit between body and valve seat, also has flange collar part on spool, which is located at the top of flow window, the flange collar
Sealing coordinates when part is contacted with valve seat.
Flow window includes long-neck big window and short neck wicket, and long-neck big window and short neck wicket are alternate in cylinder
On be uniformly covered with a circle, the long neck region of long-neck big window is biased to cylinder top.
Flange collar part and valve base sealing mating surface use the conical surface, the conical surface declinate on the conical surface and valve seat on flange collar part
Sealing.
2.5 degree of declinate misalignment angle.
Sealing mating surface between flange collar part and valve seat is handled using STL built-up welding.
The beneficial effects of the utility model are U-shaped noise reduction cage type regulating valve, it is simple in structure, from temperature limiting, without medium
Cleanliness factor particular/special requirement, manufacture cost are low, excellent noise reduction effect.Therefore, the utility model has substance compared with prior art
Feature and progress.
Brief description of the drawings
The embodiment of the utility model and the related details and operation principle of embodiment are described below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Embodiment
Referring to attached drawing, U-shaped noise reduction cage type regulating valve in present embodiment, include valve body 1, valve seat 2, spool 3, valve cage 4,
Bonnet, 5, filler 8 and valve rod 6.Filler 8 is pressed on bonnet, 7 with gland 9, disc spring 10, pressing plate 11, is mended automatically
Repay.
Spool 3 is connected with valve rod 6, actuator can driving stem 6 lifted with movable valve plug 3.Spool 3 has the cylinder of tubular
21, cylinder 21 is equipped with the flow window 22,23 of inverted U, U-shaped mouth down, and flow window 22,23 is uniformly covered with one in cylinder 21
Circle, flow window 22 arrange that at most fluid beam is distributed more preferably to have can either control circulation so as to reach as far as possible on cylinder
The purpose of energy noise reduction again.Valve seat 2 is located in valve body, and valve cage 4 is located on valve seat 2, and spool 3 is located in valve cage 4, cylinder 21 and valve seat
Clearance fit between 2, the gap slot flow between them are fixed value.Valve cage 4 is noise reduction valve cage, on the noise reduction valve cage uniformly
Noise reduction hole is distributed, spool forms the effect of twin-stage noise reduction with noise reduction valve cage, and diffusion effect is good, and flow velocity is uniform, and noise reduction is more preferable.
The area of all noise reduction hole set is more than valve drift diameter area.The aperture in noise reduction hole is arranged to Φ 1mm ~ Φ 6mm, noise reduction valve cage material
Matter uses stainless steel nitrogen treatment, improves the resistance to erosion intensity and valve cage entirety bearing strength in noise reduction hole on noise reduction valve cage.Spool 3
On also there is flange collar part 24, which is located at the top of flow window 22, when which contacts with valve seat 2
Sealing coordinates, and spool 3 moves down, and flange collar part is contacted with valve seat, is sealed, and closes valve, and spool moves up, flange collar part and valve
Seat separation, Open valve, carries out flow-rate adjustment control.
The U-shaped noise reduction cage type regulating valve is simple in structure, without sealing ring, sealing ring, from temperature limiting, to medium
Purity requirements are not high, and sexual valence is higher, and the tubular spool to be gathered using window coordinates noise reduction valve cage to reach Double-noise-reduction effect
Fruit.
Flow window 22,23 includes long-neck big window 22 and short neck wicket 23, long-neck big window and short neck wicket
Alternate to be uniformly covered with a circle on cylinder 21, the long neck region 221 of long-neck big window 22 is biased to cylinder top, long referring to attached drawing
Neck region exceedes short neck wicket and is biased towards cylinder top.Spool is subject to the active force of medium uniform so that medium acts on spool
The rotary torsion of surrounding is uniformly distributed, spool stable action, and control is accurate.The pattern curve of flow window is special according to linear flow
Property or wait hundred discharge characteristics make.Particularly the flow window of hundred discharge characteristics is waited to use long-neck big window and short neck wicket system
Facilitate, flow curve waits hundred characteristics closer to preferable.Flow window is divided into long-neck big window and short neck wicket, the big window of long-neck
The long neck region of mouth is biased to cylinder top, and medium bottom in and top out flow direction, spool moves up, and in small guide vane, spool, which only needs to open, to be grown
The long neck region of neck big window carries out small guide vane flow control, and when small guide vane, the region collection of spool turn-on flow rate window
In in the long neck region of long-neck big window, in the case where being uniformly distributed long-neck big window and short neck wicket, when avoiding small guide vane
Flow window size is too small（It is relatively concentrated in long neck region）, flow resistance is excessive, flow velocity is too fast, flow velocity is unstable causes valve vibration, shakes
The problem of swinging.
Flange collar part 24 and valve seat 2 seal mating surface and use the conical surface, the conical surface on the conical surface and valve seat on flange collar part
Declinate seals.2.5 degree of declinate α misalignment angles, form circular cone linear sealing, and sealing force can be sealed again, reduce to perform to start and select
With thrust.Referring to Fig. 2, the sealing mating surface between flange collar part and valve seat uses STL（Si Tailite alloys）Built-up welding is handled,
The resistance to erosion ability of sealing surface is improved, while realizing tight shut-off, improves service life.
Spool 3 is connected with valve rod 6, and valve rod band movable valve plug moves, and is formed between spool and valve rod and valve cage and is oriented to cooperation, can
To set guide sleeve 5 to be oriented on valve cage 4, it is oriented to and is set in the endoporus that valve cage coordinates with valve rod, the cylinder of spool
Formed to be oriented between valve seat and coordinated, valve rod forms to be oriented to the filler in bonnet, to be coordinated, and triple guide frames make valve rod band
Movable valve plug operates steadily, accurately, avoids the occurrence of swing, shake, the phenomenon of vibration, especially in small guide vane, control effect is preferable.
Claims (5)
1.U type noise reduction cage type regulating valves, include valve body（1）, valve seat（2）, spool（3）, valve cage（4）, bonnet,（7）, filler
（8）And valve rod（6）, it is characterised in that：Spool is connected with valve rod, spool（3）Cylinder with tubular（21）, cylinder is equipped with
U-shaped flow window（22、23）, flow window（22、23）In cylinder（21）Uniformly it is covered with a circle, valve cage（4）For noise reduction valve cage,
Noise reduction hole, valve seat are uniformly distributed on the noise reduction valve cage（2）Positioned at valve body（1）It is interior, valve cage（4）Positioned at valve seat（2）On, spool（3）
Positioned at valve cage（4）It is interior, cylinder（21）With valve seat（2）Between clearance fit, spool（3）On also there is flange collar part（24）, this is convex
Enclose part（24）Positioned at flow window（22、23）Top, the flange collar part（24）With valve seat（2）Seal and coordinate during contact.
2. U-shaped noise reduction cage type regulating valve as claimed in claim 1, it is characterised in that：Flow window（22、23）Include long-neck
Big window（22）With short neck wicket（23）, long-neck big window and short neck wicket are alternate in cylinder（21）On be uniformly covered with one
Circle, the long neck region of long-neck big window（22A）Biased to cylinder top.
3. U-shaped noise reduction cage type regulating valve as claimed in claim 1, it is characterised in that：Flange collar part and valve base sealing mating surface
Use the conical surface, the conical surface declinate sealing on the conical surface and valve seat on flange collar part.
4. U-shaped noise reduction cage type regulating valve as claimed in claim 3, it is characterised in that：2.5 degree of declinate misalignment angle.
5. U-shaped noise reduction cage type regulating valve as claimed in claim 1, it is characterised in that：Sealing between flange collar part and valve seat
Mating surface is handled using STL built-up welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258155.0U CN207229789U (en) | 2017-09-28 | 2017-09-28 | U-shaped noise reduction cage type regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258155.0U CN207229789U (en) | 2017-09-28 | 2017-09-28 | U-shaped noise reduction cage type regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229789U true CN207229789U (en) | 2018-04-13 |
Family
ID=61864604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721258155.0U Active CN207229789U (en) | 2017-09-28 | 2017-09-28 | U-shaped noise reduction cage type regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198563A (en) * | 2021-11-23 | 2022-03-18 | 河南航天液压气动技术有限公司 | Low-pressure large-flow direct-acting overflow valve |
| CN114320614A (en) * | 2021-12-29 | 2022-04-12 | 中国航发长春控制科技有限公司 | Continuous adjustable high-temperature-resistant deflation valve |
-
2017
- 2017-09-28 CN CN201721258155.0U patent/CN207229789U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198563A (en) * | 2021-11-23 | 2022-03-18 | 河南航天液压气动技术有限公司 | Low-pressure large-flow direct-acting overflow valve |
| CN114198563B (en) * | 2021-11-23 | 2024-01-19 | 河南航天液压气动技术有限公司 | Low-pressure high-flow direct-acting overflow valve |
| CN114320614A (en) * | 2021-12-29 | 2022-04-12 | 中国航发长春控制科技有限公司 | Continuous adjustable high-temperature-resistant deflation valve |
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