CN107489783A - A kind of noise elimination V-type ball valve with combined pore plate - Google Patents
A kind of noise elimination V-type ball valve with combined pore plate Download PDFInfo
- Publication number
- CN107489783A CN107489783A CN201710886671.6A CN201710886671A CN107489783A CN 107489783 A CN107489783 A CN 107489783A CN 201710886671 A CN201710886671 A CN 201710886671A CN 107489783 A CN107489783 A CN 107489783A
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- orifice plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
- F16K47/045—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member and the closure member being rotatable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Check Valves (AREA)
- Sliding Valves (AREA)
Abstract
A kind of noise elimination V-type ball valve with combined pore plate,Disk spring gland 4 compresses valve seat support ring 6 by dish-shaped preloading spring 5,Sealed between valve body 2 and valve seat support ring 6 by O-ring seal 9,Valve rod 17 is rotated by spline 8 with movable valve plug 7,Valve element 7 contacts to form sealing surface with valve seat support ring 6,Gland 12 and valve body 2 are pressed together by bolt and nut part 13,Gland 12 is compressed filler 10 by packing sleeve 11,Support frame 15 and valve body 2 are pressed together by bolt and nut part 14,Filler pad 16 isolates filler 10 with valve rod 17,The internal welding of valve element 7 is connected to decompression hole plate 19 and decompression orifice plate 20,Soket head cap screw 18 tightens together noise elimination orifice plate 21 with valve body 2,Base gland 1 is fastened on valve body 2 by bolt and nut part 23,Bottom rotates around Spool rotating axle 22 when valve element 7 works.
Description
Technical field
The present invention relates to noise elimination V-type ball valve technology, applied to technical fields such as chemical industry, aviation and space flight.
Background technology
With the development of science and technology, regulating valve species is more and more.V-type regulation ball valve is not only applied widely, and
And have the characteristics that compact-sized, regulating ratio is big and circulating resistance is small.But for the occasion of high flow rate and high pressure drop, often
Pressure drop is excessive during advising V-type regulation ball valve use, easily triggers the phenomenon of flow induced vibrations and strong noise.Some domestic sections
Grind the most sealings for being directed to V-type ball valve of personnel and filling-material structure has done some researchs, but trigger for high flow rate medium
Deep discussion is not done in terms of flow induced vibrations, strong noise.L of the structure that the U of patent CN 205136661 are provided to V-type ball valve
The problem of type hard sealing structure has done in-depth study, but convection body flows through noise caused by valve element does not refer to.Patent
The A of CN 105003685 devise a kind of proportional V-shaped valve core, but are made an uproar for valve element to caused during Flow-rate adjustment
Sound does not also relate to study.The technology that research occurs for more than is slipped, and this patent draws during being directed to V-type regulation ball valve use
The flow induced vibrations and strong noise phenomenon of hair have done further research.
The content of the invention
It is an object of the invention to provide a kind of noise elimination V-type ball valve with combined pore plate.
The present invention is a kind of noise elimination V-type ball valve with combined pore plate, including valve body 2, valve body 2 are used with disk spring gland 4
Lock-screw 3 tightens together, and disk spring gland 4 compresses valve seat support ring 6 by dish-shaped preloading spring 5, is further ensured that
Sealing property between valve seat support ring 6 and valve element 7, sealed between valve body 2 and valve seat support ring 6 by O-ring seal 9,
Valve rod 17 is rotated by spline 8 with movable valve plug 7, and valve element 7 contacts to form sealing surface with valve seat support ring 6, bolt and nut part 13
Gland 12 and valve body 2 are pressed together, gland 12 is compressed filler 10 by packing sleeve 11, bolt and nut portion
Support frame 15 and valve body 2 are pressed together by part 14, and filler pad 16 isolates filler 10 with valve rod 17, the interior welds of valve element 7
There are decompression orifice plate 19 and decompression orifice plate 20, soket head cap screw 18 that noise elimination orifice plate 21 tightens together with valve body 2, bolt and nut
Base gland 1 is fastened on valve body 2 by part 23, and bottom can rotate around Spool rotating axle 22 when valve element 7 works.
This patent has the following advantages compared with other prior arts：1. two-stage reducing pressure by regulating flow orifice plate is embedded in valve core inside,
Compact overall structure, High Pressure Difference is decomposed into two-stage low voltage difference and carries out step pressure reducing, reduces noise caused by fluid.2. two-stage
Reducing pressure by regulating flow orifice plate convection body can only have certain noise reduction under valve element small guide vane, and restricting orifice loses under big aperture
The noise reduction of convection body, the noise elimination orifice plate that this patent is installed after valve ensure that under any aperture the regulating valve has very well
Noise reduction capability.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention, and Fig. 2 is valve element and the orifice plate welding structure schematic diagram of the present invention, Fig. 3
It is the noise elimination orifice plate schematic diagram of the present invention, Fig. 4 is the valve base sealing partial structurtes enlarged drawing of the present invention.Reference and corresponding name
Referred to as：Base gland 1, valve body 2, lock-screw 3, disk spring gland 4, dish-shaped preloading spring 5, valve seat support ring 6, valve element 7,
Spline 8, O-ring seal 9, filler 10, packing sleeve 11, gland 12, bolt and nut 13,14, support frame 15, filler pad
16, valve rod 17, soket head cap screw 18, reducing pressure by regulating flow orifice plate 19,20, noise elimination orifice plate 21, Spool rotating axle 22, bolt and nut 23.
Embodiment
As shown in figure 1, the porous noise elimination V-type ball valve of the present invention, including valve body 2, valve body 2 and the lock of disk spring gland 4
Tight screw 3 tightens together, and disk spring gland 4 compresses valve seat support ring 6 by dish-shaped preloading spring 5, is further ensured that valve
Sealing property between seat supports circle 6 and valve element 7, sealed between valve body 2 and valve seat support ring 6 by O-ring seal 9, valve
Bar 17 is rotated by spline 8 with movable valve plug 7, and valve element 7 contacts to form sealing surface with valve seat support ring 6, and bolt and nut part 13 will
Gland 12 is pressed together with valve body 2, and gland 12 is compressed filler 10 by packing sleeve 11, bolt and nut part
14 are pressed together support frame 15 and valve body 2, and filler pad 16 isolates filler 10 with valve rod 17, and the internal welding of valve element 7 is connected to
It is depressured orifice plate 19 and decompression orifice plate 20, soket head cap screw 18 tightens together noise elimination orifice plate 21 with valve body 2, bolt and nut portion
Base gland 1 is fastened on valve body 2 by part 23, and bottom can rotate around Spool rotating axle 22 when valve element 7 works.
As shown in Fig. 2 every layer of described orifice plate design wall thickness is calculated by following formula：
In formula：tiFor the minimum thickness (i=1,2,3 ...) of i level reducing pressure by regulating flow orifice plates, Δ piCalculated for optimization method
I level pressure drops, diFor i-stage reducing pressure by regulating flow orifice plate opening diameter, ρ is the density of fluid, ViFor the inlet velocity before i level orifice plates, Q
For the uninterrupted of valve, [σ]tFor the allowable stress at a temperature of design of material, kiFor the number of openings of i level restricting orifices, a is
The length of rectangle reducing pressure by regulating flow orifice plate, b are the width of rectangle reducing pressure by regulating flow orifice plate, and c is the confinement section of rectangle reducing pressure by regulating flow orifice plate
Size, C1For the corrosion allowance of material.
And the through hole of each orifice plate is interspersed.
As shown in Fig. 2 spacing is calculated by following formula between described adjacent two pieces of restricting orifice levels：
In formula：SiThe spacing between adjacent two pieces of restricting orifice levels, Si' for fluid in the length in jet core area, Si" be perpendicular to
The critical jet interference distance of orifice plate, diFor the opening diameter of i level reducing pressure by regulating flow orifice plates, a is turbulence factor, for round hole, a
=0.006, α be jet diffusion angle half, tan α=3.4a, LiFor the spacing between adjacent apertures on i level orifice plates.
As shown in figure 3, the thickness of slab of described noise elimination orifice plate is calculated by following formula：
In formula：δ is the design thickness of noise elimination orifice plate, and D is the diameter of noise elimination orifice plate, and v is the flow velocity of noise elimination orifice plate entrance, and k is to disappear
The number of acoustic aperture plate perforate, d be noise elimination orifice plate opening diameter size, Δ P be noise elimination orifice plate before and after static pressure difference, [σ]tTo set
The allowable stress of material at a temperature of meter, α are sound attenuation hole plate thickness correction factor caused by acoustic reactance acts on, and take 0.2.
As shown in figure 4, described valve seat support ring 6 contacts compression with valve element 7 without holding, but stayed between valve element 7
There is 2mm or so gap, prevent valve seat support ring 6 from wearing the surface of valve element 7.
As shown in figure 1, medium flows into spool housing, rotary valve rod 17 by the left side of valve body 2, valve rod 17 passes through the band of spline 8
Movable valve plug 7 rotates, and for valve element 7 during unlatching, medium enters valve core inside at valve element 7V type mouths, and now valve element 7 is in weight
Rotated under power, medium power, the collective effect of back-up ring active force and acting force of the spring around Spool rotating axle 22, until valve element
7 position is constant, and medium flows successively through two-stage reducing pressure by regulating flow orifice plate by through hole, is flowed out after again passing through noise elimination orifice plate outside valve, often
A reducing pressure by regulating flow is carried out by one-level orifice plate, multilevel decompression, noise reduction process is completed, noise reduction is further completed by noise elimination orifice plate
Process.
Claims (5)
1. a kind of noise elimination V-type ball valve with combined pore plate, including valve body (2), valve body (2) and disk spring gland (4) locking
Screw (3) tightens together, and disk spring gland (4) compresses valve seat support ring (6) by dish-shaped preloading spring (5), further
Ensure the sealing property between valve seat support ring (6) and valve element (7), by O-shaped sealing between valve body (2) and valve seat support ring (6)
Circle (9) is sealed, and valve rod (17) is rotated by spline (8) band movable valve plug (7), and valve element (7) contacts shape with valve seat support ring (6)
Into sealing surface, gland (12) and valve body (2) are pressed together by bolt and nut part (13), and gland (12) is by filling out
Expect that axle sleeve (11) compresses filler (10), support frame (15) and valve body (2) are pressed together by bolt and nut part (14), filler
Pad (16) isolates filler (10) with valve rod (17), and valve element (7) internal welding is connected to decompression hole plate (19) and decompression orifice plate
(20), soket head cap screw (18) tightens together noise elimination orifice plate (21) with valve body (2), and bolt and nut part (23) is by base pressure
Lid (1) is fastened on valve body (2), and bottom can rotate around Spool rotating axle (22) when valve element (7) works.
2. the noise elimination V-type ball valve according to claim 1 with combined pore plate, it is characterised in that：Every layer of described decompression hole
Plate design wall thickness is calculated by following formula：
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In formula：tiFor the minimum thickness (i=1,2,3 ...) of i level reducing pressure by regulating flow orifice plates, Δ piI-th calculated for optimization method
Level pressure drop, diFor i-stage reducing pressure by regulating flow orifice plate opening diameter, ρ is the density of fluid, ViFor the inlet velocity before i level orifice plates, Q is
The uninterrupted of valve, [σ]tFor the allowable stress at a temperature of design of material, kiFor the number of openings of i level restricting orifices, a is square
The length of shape reducing pressure by regulating flow orifice plate, b are the width of rectangle reducing pressure by regulating flow orifice plate, and c is the confinement section of rectangle reducing pressure by regulating flow orifice plate
Size, C1For the corrosion allowance of material；And the through hole of each orifice plate is interspersed.
3. the noise elimination V-type ball valve according to claim 1 with combined pore plate, it is characterised in that：Described adjacent two pieces of sections
Spacing is calculated by following formula between discharge orifice plate level：
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In formula：SiThe spacing between adjacent two pieces of restricting orifice levels, Si' for fluid in the length in jet core area, Si" be perpendicular to
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=0.006, α be jet diffusion angle half, tan α=3.4a, LiFor the spacing between adjacent apertures on i level orifice plates.
4. the noise elimination V-type ball valve according to claim 1 with combined pore plate, it is characterised in that：Described noise elimination orifice plate
Thickness of slab is calculated by following formula：
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In formula：δ is the design thickness of noise elimination orifice plate, and D is the diameter of noise elimination orifice plate, and v is the flow velocity of noise elimination orifice plate entrance, and k is to disappear
The number of acoustic aperture plate perforate, d be noise elimination orifice plate opening diameter size, Δ P be noise elimination orifice plate before and after static pressure difference, [σ]tTo set
The allowable stress of material at a temperature of meter, α are sound attenuation hole plate thickness correction factor caused by acoustic reactance acts on, and take 0.2.
5. the noise elimination V-type ball valve according to claim 1 with combined pore plate, it is characterised in that：Described valve seat support ring
(6) compression is contacted without holding with valve element (7), but 2mm or so gap is left between valve element (7), prevent valve seat from supporting
Enclose (6) abrasion valve element (7) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710886671.6A CN107489783B (en) | 2017-09-22 | 2017-09-22 | A kind of noise elimination V-type ball valve with combined pore plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710886671.6A CN107489783B (en) | 2017-09-22 | 2017-09-22 | A kind of noise elimination V-type ball valve with combined pore plate |
Publications (2)
| Publication Number | Publication Date |
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| CN107489783A true CN107489783A (en) | 2017-12-19 |
| CN107489783B CN107489783B (en) | 2019-09-17 |
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ID=60653333
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710886671.6A Active CN107489783B (en) | 2017-09-22 | 2017-09-22 | A kind of noise elimination V-type ball valve with combined pore plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662185A (en) * | 2018-05-24 | 2018-10-16 | 江苏天域阀业制造有限公司 | A kind of valve with cushioning effect |
| CN109058504A (en) * | 2018-10-11 | 2018-12-21 | 特宏阀门有限公司 | A kind of buffer medium adjusting flow V-type ball valve |
| CN109751432A (en) * | 2019-02-22 | 2019-05-14 | 凯瑞特阀业有限公司 | flow control valve |
| CN110454586A (en) * | 2019-09-11 | 2019-11-15 | 浙江联大阀门有限公司 | Wear-resisting regulation ball valve |
| CN112081944A (en) * | 2020-09-25 | 2020-12-15 | 浙江联大阀门有限公司 | Right-angle type regulating ball valve |
| CN113266624A (en) * | 2021-05-17 | 2021-08-17 | 南京航空航天大学 | Rotary valve for high-frequency pulse air pressure modulation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201992115U (en) * | 2011-03-31 | 2011-09-28 | 浙江力诺阀门有限公司 | Cavitation-preventive noise reduction type V-shaped ball valve |
| CN202432002U (en) * | 2011-11-14 | 2012-09-12 | 大连亨利测控仪表工程有限公司 | High-pressure difference V-shaped regulating ball valve |
| CN104214416A (en) * | 2014-10-09 | 2014-12-17 | 兰州理工大学 | Optimized design method of multistage depressurization sleeve |
| KR101545811B1 (en) * | 2014-03-25 | 2015-08-24 | 안효득 | Control valve for whirlpool prevention |
| CN206398122U (en) * | 2017-01-05 | 2017-08-11 | 浙江锐步流体控制设备有限公司 | A kind of new multistage noise reduction V-type ball valve |
-
2017
- 2017-09-22 CN CN201710886671.6A patent/CN107489783B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201992115U (en) * | 2011-03-31 | 2011-09-28 | 浙江力诺阀门有限公司 | Cavitation-preventive noise reduction type V-shaped ball valve |
| CN202432002U (en) * | 2011-11-14 | 2012-09-12 | 大连亨利测控仪表工程有限公司 | High-pressure difference V-shaped regulating ball valve |
| KR101545811B1 (en) * | 2014-03-25 | 2015-08-24 | 안효득 | Control valve for whirlpool prevention |
| CN104214416A (en) * | 2014-10-09 | 2014-12-17 | 兰州理工大学 | Optimized design method of multistage depressurization sleeve |
| CN206398122U (en) * | 2017-01-05 | 2017-08-11 | 浙江锐步流体控制设备有限公司 | A kind of new multistage noise reduction V-type ball valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662185A (en) * | 2018-05-24 | 2018-10-16 | 江苏天域阀业制造有限公司 | A kind of valve with cushioning effect |
| CN109058504A (en) * | 2018-10-11 | 2018-12-21 | 特宏阀门有限公司 | A kind of buffer medium adjusting flow V-type ball valve |
| CN109751432A (en) * | 2019-02-22 | 2019-05-14 | 凯瑞特阀业有限公司 | flow control valve |
| CN110454586A (en) * | 2019-09-11 | 2019-11-15 | 浙江联大阀门有限公司 | Wear-resisting regulation ball valve |
| CN112081944A (en) * | 2020-09-25 | 2020-12-15 | 浙江联大阀门有限公司 | Right-angle type regulating ball valve |
| CN113266624A (en) * | 2021-05-17 | 2021-08-17 | 南京航空航天大学 | Rotary valve for high-frequency pulse air pressure modulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107489783B (en) | 2019-09-17 |
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