CN105240564A - Low-noise ball valve - Google Patents
Low-noise ball valve Download PDFInfo
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- CN105240564A CN105240564A CN201510728824.5A CN201510728824A CN105240564A CN 105240564 A CN105240564 A CN 105240564A CN 201510728824 A CN201510728824 A CN 201510728824A CN 105240564 A CN105240564 A CN 105240564A
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- orifice plate
- ball valve
- runner
- valve
- low noise
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- 238000009826 distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 29
- 230000008569 process Effects 0.000 abstract description 27
- 239000012530 fluid Substances 0.000 abstract description 7
- 239000011148 porous material Substances 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 17
- 238000012423 maintenance Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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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
- 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)
Abstract
The invention discloses a low-noise ball valve, which comprises: the ball valve comprises a first valve body part, a second valve body part, a valve rod, a ball body structure, a valve seat, a spring and a fixing shaft, wherein the ball body structure comprises a ball body, a flow channel pore plate and a ball body flow channel, the flow channel pore plate is arranged in the ball body flow channel, and a through hole is formed in the flow channel pore plate. The ball valve provided by the invention is provided with the flow channel pore plate in the ball flow channel, and in the process of opening and closing the valve, the friction resistance of fluid is increased by a method of pressure reduction and throttling, the flow rate of the fluid passing through the valve is reduced, the generation of air pockets is reduced and even eliminated, and the problems of high noise and strong vibration existing in the process of opening and closing the ball valve are solved.
Description
Technical field
The present invention relates to a kind of pipe control valve, particularly a kind of low noise ball valve.
Background technique
Flow resistance is little owing to having for ball valve, switch rapidly, good seal performance, long service life, be convenient to gas control and the feature such as automatically controlled, be widely used in Coal Chemical Industry, petrochemical industry, iron and steel, metallurgy and sky and grade industry.
But ball valve has that negotiability is large, switch feature rapidly, easily causes ball valve in opening-closing process, particularly under the operating mode of High Pressure Difference, there is the problem of strong noise and strong vibration.This is because ball valve is in opening-closing process, the pressure difference of valve both sides is very large, and liquid speed is very high, and when fluid passes through ball valve runner with very high speed, the problems such as meeting turbulization, flash distillation and air pocket, cause wearing and tearing and the injury of valve body and spheroid.Meanwhile, the strong noise in cutting ball valve opening-closing process and strong vibration also result in the energy loss of valve, bring very large harm to the health of operator.
Summary of the invention
For existing cutting ball valve under High Pressure Difference operating mode, the strong noise existed in opening-closing process and strong vibration problem, one object of the present invention is to provide a kind of low noise ball valve, have employed new sphere structure design, runner orifice plate is provided with in spheroid runner inside, ball valve is when full-gear, the circulation of flowing medium can not be affected, ball valve is in switching process, effectively increase the resistance of cutting ball valve flowing medium in switching process, High Pressure Difference is reduced pressure, throttling, increase the frictional loss of flowing medium, reduce the flow velocity of flowing medium by valve, reduce the generation even eliminating air pocket, thus the noise level effectively suppressing cutting ball valve to produce in switching process under High Pressure Difference operating mode and ocsillator strenght, simultaneously, reduce the energy ezpenditure of valve, improve the working environment of operator.
Second object of the present invention is to provide a kind of low noise ball valve, runner orifice plate in spheroid runner has multiple pattern, can select according to different working conditions, and can dismounting quickly and easily, not only fixed, structure is simple, be convenient to processing, be beneficial to assembling, and be conducive to maintenance and change, reduce noise and the successful alleviating vibration, there is the feature of efficient energy-saving.
For reaching this object, the invention provides following technological scheme:
The invention provides a kind of low noise ball valve, comprise: the first valve body, the second valve body, valve rod, sphere structure, valve seat, spring and stationary axle, described sphere structure comprises spheroid, runner orifice plate and spheroid runner, described runner orifice plate is placed in described spheroid runner, and described runner orifice plate has through hole.Ball valve, when full-gear, can not affect the circulation of flowing medium; Ball valve is in switching process, described runner orifice plate effectively increases the resistance of cutting ball valve flowing medium in switching process, High Pressure Difference is reduced pressure, throttling, reduce the flow velocity of flowing medium by valve, reduce the generation even eliminating air pocket, thus the noise level effectively suppressing cutting ball valve to produce in switching process under High Pressure Difference operating mode and ocsillator strenght.
In a concrete technological scheme, the structural type of described runner orifice plate is elongated hole type runner orifice plate, square groove runner orifice plate or circular hole runner orifice plate, according to different working conditions, can select the runner orifice plate of different types.
In the technological scheme that another is concrete, described sphere structure also comprises threaded pin, and described runner orifice plate is fixedly connected on described spheroid by described threaded pin.
In the technological scheme that another is concrete, described elongated hole type runner orifice plate has a elongated hole, and described elongated hole width is b (mm), and described elongated hole length is c (mm), 2≤a≤10,2≤b≤10,2≤c≤10.
In the technological scheme that another is concrete, the elongated hole on described elongated hole type runner orifice plate is equally distributed.
In the technological scheme that another is concrete, the square hole of described square groove runner orifice plate has the capable e row of d, and the described square hole length of side is f (mm), 2≤d≤10,2≤e≤10,2≤f≤10.
In the technological scheme that another is concrete, the square hole of described square groove runner orifice plate is equally distributed.
In the technological scheme that another is concrete, described circular hole runner orifice plate radially has g enclose circular hole distribution, described Circularhole diameter is h (mm), 2≤g≤10,2≤h≤10.
In the technological scheme that another is concrete, the circular hole on described circular hole runner orifice plate is equally distributed.
In the technological scheme that another is concrete, described runner orifice plate is removable, not only fixed, and structure is simple, is convenient to processing and assembling, and is conducive to maintenance and changes.
A kind of low noise ball valve that the technical program provides, passes through:
1. have employed new sphere structure design, be provided with runner orifice plate in spheroid runner inside.
2. the runner orifice plate be provided with in spheroid runner can have multiple pattern.
Thus have the following advantages: cutting ball valve is in switching process, by the friction of flowing medium and runner orifice plate, increase the frictional loss of flowing medium, reduce the flow velocity of flowing medium by valve, reduce the generation even eliminating air pocket, thus the noise level effectively suppressing cutting ball valve to produce in switching process under High Pressure Difference operating mode and ocsillator strenght, reduce the energy ezpenditure of valve, improve the working environment of operator.Simultaneously, runner orifice plate in spheroid runner has multiple pattern, can select according to different working conditions, and can dismounting quickly and easily, not only fixed, structure is simple, be convenient to processing, be beneficial to assembling, and be conducive to maintenance and change, reduce noise and the successful alleviating vibration, there is the feature of efficient energy-saving.
Accompanying drawing explanation
Fig. 1 is the full-gear Facad structure schematic diagram of low noise ball valve;
Fig. 2 is the full off state Facad structure schematic diagram of low noise ball valve;
Fig. 3 A is the sectional view of sphere structure first schematic diagram of low noise ball valve;
Fig. 3 B is the front view of sphere structure first schematic diagram of low noise ball valve;
Fig. 4 A is the sectional view of sphere structure second schematic diagram of low noise ball valve;
Fig. 4 B is the front view of sphere structure second schematic diagram of low noise ball valve;
Fig. 5 A is the sectional view of sphere structure the 3rd schematic diagram of low noise ball valve;
Fig. 5 B is the front view of sphere structure the 3rd schematic diagram of low noise ball valve.
In figure:
1, the first valve body; 2, the second valve body; 3, valve rod; 4, sphere structure; 5, valve seat; 6, spring; 7, stationary axle; 4-1, spheroid; 4-2, runner orifice plate; 4-3, threaded pin; 4-4, spheroid runner; 4-2-1, elongated hole type runner orifice plate; 4-2-2, square groove runner orifice plate; 4-2-3, circular hole runner orifice plate.
Embodiment
Be described in more detail below in conjunction with embodiment and accompanying drawing 1 ~ 5 couple of the present invention, the description of this part is only exemplary and indicative, should not have any restriction in protection scope of the present invention.
Embodiment 1
As shown in Fig. 1 ~ 2, a kind of low noise ball valve that the present invention proposes, its structure comprises the valve body be made up of the first valve body 1 and the second valve body 2, in valve body, stationary axle 7 supporting sephere structure 4, described sphere structure 4 comprises spheroid 4-1, runner orifice plate 4-2 and spheroid runner 4-4, and sphere structure 4 and two valve seats 5 form ball face sealing, valve seat 5 is pressed to the sealing that sphere structure 4 realizes spheroid 4-1 and valve seat 5 by the spring force that spring 6 provides, and valve rod 3 drive ball body structure 4 has rotated switch motion.Described runner orifice plate 4-2 is placed in described spheroid runner 4-4, and described runner orifice plate 4-2 has through hole.By adopting new sphere structure 4, runner orifice plate 4-2 being set in spheroid runner, making cutting ball valve when full-gear, the normal circulation of flowing medium can not be affected.Cutting ball valve is in switching process, along with the rotation of sphere structure 4, the runner orifice plate 4-2 be arranged in spheroid runner effectively increases the resistance of flowing medium in cutting ball valve switching process, High Pressure Difference is reduced pressure, throttling, increase the frictional loss of flowing medium, reduce the flow velocity of flowing medium by valve, reduce the generation even eliminating air pocket, thus the noise level effectively suppressing cutting ball valve to produce in switching process under High Pressure Difference operating mode and ocsillator strenght, reduce the energy ezpenditure of valve, improve the working environment of operator.Simultaneously, spheroid 4-1 and runner orifice plate 4-2 adopts the Placement of threaded pin 4-3, achieve the structural design of easy disassembly, can dismounting quickly and easily, not only fixed, structure is simple, be convenient to processing, be beneficial to assembling, and be conducive to maintenance and change, reduce noise and the successful alleviating vibration, there is the feature of efficient energy-saving.
As shown in Figure 1, a kind of low noise ball valve that the present invention proposes, at the Facad structure schematic diagram of full-gear, in sphere structure 4, the runner orifice plate 4-2 in spheroid 4-1 and spheroid runner adopts the mode of threaded pin 4-3 to link together, and is easy to disassembling, assembling and replacing.Low noise ball valve is under full-gear, and flowing medium, by spheroid runner 4-4, can not affect the normal circulation of flowing medium.
As shown in Figure 2, a kind of low noise ball valve that the present invention proposes, the Facad structure schematic diagram under full off state.Low noise ball valve is under full off state, and sphere structure 4 and valve seat 5 form ball face sealing, realize the cutting function of cutting ball valve fluid medium.
As shown in Figure 3 A and Figure 3 B, the front view of sphere structure first schematic diagram of a kind of low noise ball valve that the present invention proposes and sectional view, in sphere structure 4, the elongated hole type runner orifice plate 4-2-1 in spheroid 4-1 and spheroid runner 4-4 adopts the mode of threaded pin 4-3 to link together.Elongated hole on elongated hole type runner orifice plate 4-2-1 is equally distributed, and total elongated hole 8, elongated hole width is 2 millimeters, and elongated hole length is 4 millimeters.Spheroid 4-1 and elongated hole type runner orifice plate 4-2-1 adopts the Placement of threaded pin 4-3, achieve the structural design of easy disassembly, not only fixed, and structure is simple, be convenient to processing, be beneficial to assembling, be also conducive to maintenance simultaneously and change, in cutting ball valve switching process, reduce noise and the successful alleviating vibration.
Embodiment 2
As shown in Fig. 1 ~ 2, a kind of low noise ball valve that the present invention proposes, its structure comprises the valve body be made up of the first valve body 1 and the second valve body 2, in valve body, stationary axle 7 supporting sephere structure 4, described sphere structure 4 comprises spheroid 4-1, runner orifice plate 4-2 and spheroid runner 4-4, and sphere structure 4 and two valve seats 5 form ball face sealing, valve seat 5 is pressed to the sealing that sphere structure 4 realizes spheroid 4-1 and valve seat 5 by the spring force that spring 6 provides, and valve rod 3 drive ball body structure 4 has rotated switch motion.Described runner orifice plate 4-2 is placed in described spheroid runner 4-4, and described runner orifice plate 4-2 has through hole.By adopting new sphere structure 4, runner orifice plate 4-2 being set in spheroid runner, making cutting ball valve when full-gear, the normal circulation of flowing medium can not be affected.Cutting ball valve is in switching process, along with the rotation of sphere structure 4, the runner orifice plate 4-2 be arranged in spheroid runner effectively increases the resistance of flowing medium in cutting ball valve switching process, High Pressure Difference is reduced pressure, throttling, increase the frictional loss of flowing medium, reduce the flow velocity of flowing medium by valve, reduce the generation even eliminating air pocket, thus the noise level effectively suppressing cutting ball valve to produce in switching process under High Pressure Difference operating mode and ocsillator strenght, reduce the energy ezpenditure of valve, improve the working environment of operator.Simultaneously, spheroid 4-1 and runner orifice plate 4-2 adopts the Placement of threaded pin 4-3, achieve the structural design of easy disassembly, can dismounting quickly and easily, not only fixed, structure is simple, be convenient to processing, be beneficial to assembling, and be conducive to maintenance and change, reduce noise and the successful alleviating vibration, there is the feature of efficient energy-saving.
As shown in Figure 1, a kind of low noise ball valve that the present invention proposes, at the Facad structure schematic diagram of full-gear, in sphere structure 4, the runner orifice plate 4-2 in spheroid 4-1 and spheroid runner adopts the mode of threaded pin 4-3 to link together, and is easy to disassembling, assembling and replacing.Low noise cutting ball valve is under full-gear, and flowing medium, by spheroid runner 4-4, can not affect the normal circulation of flowing medium.
As shown in Figure 2, a kind of low noise ball valve that the present invention proposes, the Facad structure schematic diagram under full off state.Low noise cutting ball valve is under full off state, and sphere structure 4 and valve seat 5 form ball face sealing, realize the cutting function of cutting ball valve fluid medium.
As shown in Figure 4 A and 4 B shown in FIG., the front view of sphere structure second schematic diagram of a kind of low noise ball valve that the present invention proposes and sectional view, in sphere structure 4, the square groove runner orifice plate 4-2-2 in spheroid 4-1 and spheroid runner 4-4 adopts the mode of threaded pin 4-3 to link together.Square hole on square groove runner orifice plate 4-2-2 is equally distributed, and have 2 row 2 and arrange, the square hole length of side is 2 millimeters.Spheroid 4-1 and square groove runner orifice plate 4-2-2 adopts the Placement of threaded pin 4-3, achieve the structural design of easy disassembly, not only fixed, and structure is simple, be convenient to processing, be beneficial to assembling, be also conducive to maintenance simultaneously and change, in cutting ball valve switching process, reduce noise and the successful alleviating vibration.
Embodiment 3
As shown in Fig. 1 ~ 2, a kind of low noise ball valve that the present invention proposes, its structure comprises the valve body be made up of the first valve body 1 and the second valve body 2, in valve body, stationary axle 7 supporting sephere structure 4, described sphere structure 4 comprises spheroid 4-1, runner orifice plate 4-2 and spheroid runner 4-4, and sphere structure 4 and two valve seats 5 form ball face sealing, valve seat 5 is pressed to the sealing that sphere structure 4 realizes spheroid 4-1 and valve seat 5 by the spring force that spring 6 provides, and valve rod 3 drive ball body structure 4 has rotated switch motion.Described runner orifice plate 4-2 is placed in described spheroid runner 4-4, and described runner orifice plate 4-2 has through hole.By adopting new sphere structure 4, runner orifice plate 4-2 being set in spheroid runner, making cutting ball valve when full-gear, the normal circulation of flowing medium can not be affected.Cutting ball valve is in switching process, along with the rotation of sphere structure 4, the runner orifice plate 4-2 be arranged in spheroid runner effectively increases the resistance of flowing medium in cutting ball valve switching process, High Pressure Difference is reduced pressure, throttling, increase the frictional loss of flowing medium, reduce the flow velocity of flowing medium by valve, reduce the generation even eliminating air pocket, thus the noise level effectively suppressing cutting ball valve to produce in switching process under High Pressure Difference operating mode and ocsillator strenght, reduce the energy ezpenditure of valve, improve the working environment of operator.Simultaneously, spheroid 4-1 and runner orifice plate 4-2 adopts the Placement of threaded pin 4-3, achieve the structural design of easy disassembly, can dismounting quickly and easily, not only fixed, structure is simple, be convenient to processing, be beneficial to assembling, and be conducive to maintenance and change, reduce noise and the successful alleviating vibration, there is the feature of efficient energy-saving.
As shown in Figure 1, a kind of low noise ball valve that the present invention proposes, at the Facad structure schematic diagram of full-gear, in sphere structure 4, the runner orifice plate 4-2 in spheroid 4-1 and spheroid runner adopts the mode of threaded pin 4-3 to link together, and is easy to disassembling, assembling and replacing.Low noise cutting ball valve is under full-gear, and flowing medium, by spheroid runner 4-4, can not affect the normal circulation of flowing medium.
As shown in Figure 2, a kind of low noise ball valve that the present invention proposes, the Facad structure schematic diagram under full off state.Low noise cutting ball valve is under full off state, and sphere structure 4 and valve seat 5 form ball face sealing, realize the cutting function of cutting ball valve fluid medium.
As fig. 5 a and fig. 5b, the front view of sphere structure the 3rd schematic diagram of a kind of low noise ball valve that the present invention proposes and sectional view, in sphere structure 4, the circular hole runner orifice plate 4-2-2 in spheroid 4-1 and spheroid runner adopts the mode of threaded pin 4-3 to link together.Circular hole on circular hole runner orifice plate 4-2-3 is equally distributed, and radially have 2 circle circular hole distributions, Circularhole diameter is 3 millimeters.Spheroid 4-1 and circular hole runner orifice plate 4-2-3 adopts the Placement of threaded pin 4-3, achieve the structural design of easy disassembly, not only fixed, and structure is simple, be convenient to processing, be beneficial to assembling, be also conducive to maintenance simultaneously and change, in cutting ball valve switching process, reduce noise and the successful alleviating vibration.
It can thus be appreciated that, a kind of low noise ball valve of the present invention, owing to have employed the design of new sphere structure 4, multiple pattern is provided with and the runner orifice plate 4-2 of easy disassembly in spheroid runner, have the following advantages: cutting ball valve is in switching process, by the friction of fluid and runner orifice plate 4-2, increase the frictional loss of flowing medium, reduce the flow velocity of flowing medium by valve, reduce the generation even eliminating air pocket, thus effectively suppress cutting ball valve under High Pressure Difference operating mode, open and close the noise level and ocsillator strenght that produce instantaneously, reduce the energy ezpenditure of valve, improve the working environment of operator.Simultaneously, runner orifice plate 4-2 in spheroid runner has multiple pattern, can select according to different working conditions, and can dismounting quickly and easily, not only fixed, structure is simple, be convenient to processing, be beneficial to assembling, and be conducive to maintenance and change, reduce noise and the successful alleviating vibration, there is the feature of efficient energy-saving.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a low noise ball valve, comprise: the first valve body (1), the second valve body (2), valve rod (3), sphere structure (4), valve seat (5), spring (6) and stationary axle (7), it is characterized in that: described sphere structure (4) comprises spheroid (4-1), runner orifice plate (4-2) and spheroid runner (4-4), described runner orifice plate (4-2) is placed in described spheroid runner (4-4), and described runner orifice plate (4-2) has through hole.
2. low noise ball valve according to claim 1, is characterized in that: the structural type of described runner orifice plate (4-2) is elongated hole type runner orifice plate (4-2-1), square groove runner orifice plate (4-2-2) or circular hole runner orifice plate (4-2-3).
3. low noise ball valve according to claim 1 and 2, it is characterized in that: described sphere structure (4) also comprises threaded pin (4-3), described runner orifice plate (4-2) is fixedly connected on described spheroid (4-1) by described threaded pin (4-3).
4. low noise ball valve according to claim 2, is characterized in that: described elongated hole type runner orifice plate (4-2-1) has a elongated hole, and described elongated hole width is bmm, and described elongated hole length is cmm, 2≤a≤10,2≤b≤10,2≤c≤10.
5. low noise ball valve according to claim 4, is characterized in that: the elongated hole on described elongated hole type runner orifice plate (4-2-1) is equally distributed.
6. low noise ball valve according to claim 2, is characterized in that: the square hole of described square groove runner orifice plate (4-2-2) has the capable e row of d, and the described square hole length of side is fmm, 2≤d≤10,2≤e≤10,2≤f≤10.
7. low noise ball valve according to claim 6, is characterized in that: the square hole of described square groove runner orifice plate (4-2-2) is equally distributed.
8. low noise ball valve according to claim 2, is characterized in that: described circular hole runner orifice plate (4-2-3) radially has g enclose circular hole distribution, described Circularhole diameter is hmm, 2≤g≤10,2≤h≤10.
9. low noise ball valve according to claim 8, is characterized in that: the circular hole on described circular hole runner orifice plate (4-2-3) is equally distributed.
10. low noise ball valve according to claim 1, is characterized in that: described runner orifice plate (4-2) is removable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728824.5A CN105240564A (en) | 2015-10-30 | 2015-10-30 | Low-noise ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728824.5A CN105240564A (en) | 2015-10-30 | 2015-10-30 | Low-noise ball valve |
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| CN105240564A true CN105240564A (en) | 2016-01-13 |
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| CN201510728824.5A Pending CN105240564A (en) | 2015-10-30 | 2015-10-30 | Low-noise ball valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909816A (en) * | 2016-05-05 | 2016-08-31 | 中国航天科技集团公司烽火机械厂 | High-pressure-difference and low-noise V-shaped ball flow automatic adjusting valve |
| CN106051205A (en) * | 2016-08-16 | 2016-10-26 | 航天长征化学工程股份有限公司 | Adjusting ball valve |
| CN106122507A (en) * | 2016-08-16 | 2016-11-16 | 航天长征化学工程股份有限公司 | Cavitation-proof ball valve |
| CN106641315A (en) * | 2016-11-29 | 2017-05-10 | 无锡海力自控工程有限公司 | Regulating ball valve |
| CN107420634A (en) * | 2017-07-26 | 2017-12-01 | 中国船舶重工集团公司第七0七研究所九江分部 | A kind of rotary valve low noise flow control valve |
| CN108221291A (en) * | 2016-12-12 | 2018-06-29 | 中国计量大学 | A kind of water intake valve of washing machine denoising structure design |
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| US5180139A (en) * | 1991-10-15 | 1993-01-19 | Fisher Controls International, Inc. | Rotary ball fluid control valve with noise attenuator |
| CN1637332A (en) * | 2003-12-15 | 2005-07-13 | 皮比维耶斯股份公司 | Ball valve with high damping of the noise due to fluid passage |
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Application publication date: 20160113 |