CN202432002U - High-pressure difference V-shaped regulating ball valve - Google Patents
High-pressure difference V-shaped regulating ball valve Download PDFInfo
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- CN202432002U CN202432002U CN2011204494801U CN201120449480U CN202432002U CN 202432002 U CN202432002 U CN 202432002U CN 2011204494801 U CN2011204494801 U CN 2011204494801U CN 201120449480 U CN201120449480 U CN 201120449480U CN 202432002 U CN202432002 U CN 202432002U
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Abstract
The utility model discloses a high-pressure difference V-shaped regulating ball valve. The high-pressure difference V-shaped regulating ball valve comprises a valve body, a valve rod, a fixing shaft, a spring seat pressure plate, a graphite ring pressure plate, a graphite ring, a noise reduction valve seat, a ball core and a throttling component, wherein a plurality of herringbone throttling grooves are formed on the inner wall at the outlet of the noise reduction valve seat; and the throttling component consists of a plurality of layers of pore plates which are fixedly connected to a ball core channel. Compared with the prior art, the utility model has the advantages that a static sealing pressure does not need to be maintained when the valve is closed completely; more excellent and more durable packing seal at the valve rod can be provided by axial rotation compared with axial straight trip; an emergency grease injection sealing valve can be added to prevent external leakage; the high-pressure difference V-shaped regulating ball valve has higher applicability for harsh conditions such as high-pressure difference, mud, fibers and granular media; the regulation of a V-shaped incision is more precise, and a streamlined cavity has larger flow and small flow resistance; a hard alloy or liner can be formed in the cavity of the valve body by spraying welding; the high-pressure difference V-shaped regulating ball valve has larger rangeability and variation coefficient (Cv) value; due to the design of the noise reduction valve seat, at least three-stage pressure and noise reducing effects are achieved after a medium passes through the valve seat; and the appearance size is relatively small.
Description
Technical field
The utility model relates to the modulating valve technical field, relates in particular to industrial pipeline with modulating valve V-type ball valve, is specifically related to the High Pressure Difference V-type ball valve of multistage step-down and noise reduction.
Background technique
Oil, the long defeated pipe mesh pressure adjust of rock gas and chemical industry and some metallurgical harsh operating modes all need high-differential-pressure regulating valve to come the inlet or the rate of discharge of Control work medium.Yet, for liquid medium, under High Pressure Difference, can produce cavitation and cause the throttle element cavitation corrosions such as valve seat, spool of modulating valve to be damaged, cause modulating valve seriously to leak, even lose and regulate the control function; For gas (vapour) body medium, owing to its compressibility, during the throttle orifice of the valve of under High Pressure Difference, flowing through; Its flow velocity is up to 100m/s, even above the velocity of sound, its static energy converts huge kinetic energy to and discharges suddenly; Remove throttle elements such as valve seat, spool are produced high-flow-speed outwash; Outside causing that modulating valve leaks, also can produce above fluid moving noise, people's physical and mental health is damaged up to 100 decibels (dBA).
The mazy type modulating valve of existing technology; Ability with step-down and noise reduction and the anti-cavitation of anti-cavitation erosion; Its deficiency is: 1, because its step-down groove is that mazy lamination combines, particle small in the medium makes valve lose its due function just easily with its obstruction; 2, modulating valve valve cage size is the function of passage bore in compressible fluid, so valve pocket and outlet size are bigger; The spool balance pressure needed inner moving or hydrostatic seal when 3, the mazy type modulating valve cut out, and was difficult to keep sealing closely, and it is bigger to close moment, and valve rod is done straight line motion and damaged filler easily and cause that medium leaks simultaneously; 4, big in ask for something flow control scope, have self-cleaning property, switch is rapid, and good airproof performance will possess under the operating mode that oversize impurity passes through simultaneously, and the mazy type modulating valve can't be suitable for.
Summary of the invention
The purpose of the utility model is to provide a kind of High Pressure Difference V-type to regulate ball valve, makes it promptly possess the function that common V-type is regulated ball valve, possesses the function of noise reduction and anti-cavitation erosion again.
For reaching this purpose; The utility model adopts following technological scheme: comprise valve body, valve rod, stationary axle, spring seat pressing plate, graphite annulus pressing plate, graphite annulus, noise reduction valve seat, ball core and orifice union; Spring seat pressing plate, graphite annulus pressing plate, graphite annulus, noise reduction valve seat place valve body one side of medium inlet successively, and the ball core is installed in the valve body through valve rod and stationary axle, and the ball core places on the noise reduction valve seat; Valve rod is connected with the ball core through valve body; Stationary axle is connected with spool through valve body, and it is characterized in that: said orifice union is made up of the several layers orifice plate that is fixedly connected in the ball core passage, and the several layers orifice plate is arranged along the parallel setting of ball core channel direction; The width of each layer orifice plate is inequality; Being uniformly distributed with through hole on the orifice plate, is that the width of each layer of benchmark orifice plate exceeds according to ball core channel height and successively decreases with the height of ball core channel center position, is uniformly distributed with through hole on the orifice plate; Former and later two limits of orifice plate are that the ball core feeder connection position of orifice plate and two limits at outlet position are and the identical circular arc limit of ball core sphere radian; The orifice plate afterbody is that the ball core channel outlet position of orifice plate is a flap, and flap becomes 5～45 ° angle with the media flow direction, and centre distance is 6-20mm apart from the circular arc limit in the flap sideline; The outlet inwall of said noise reduction valve seat has some man type throttling grooves, and the width of throttling groove is 2-10mm, and the degree of depth is 2-8mm, and man type throttling groove angle is 30-120 °.
The said High Pressure Difference V-type of the utility model is regulated ball valve, it is characterized in that the through-hole diameter on the said orifice plate is 3-18mm, and the distance between the adjacent holes is 2-10mm.
The said High Pressure Difference V-type of the utility model is regulated ball valve, it is characterized in that the through hole on the said orifice plate is a shoulder hole, and the exponent number of shoulder hole is the 2-5 rank.
The said High Pressure Difference V-type of the utility model is regulated ball valve, it is characterized in that said several layers orifice plate is the 1-20 layer.
The said High Pressure Difference V-type of the utility model is regulated ball valve; It is characterized in that the said several layers orifice plate that is fixedly connected in the ball core passage processes manifold type and be connected in the ball core passage; Said manifold type is at the connection blind plate of the upper and lower end face setting of the orifice plate that is arranged in parallel perpendicular to orifice plate; The shape and size of blind plate are relevant with the shape and size at poppet shaft place; Distance between adjacent two orifice plates is 8-20mm, and the several layers orifice plate is linked to be an integrated package, and the blind plate on the integrated package links to each other with ball mandrel inner side end.
The said High Pressure Difference V-type of the utility model is regulated ball valve, it is characterized in that said man type throttling groove is 10-40, and the direction of man type throttling groove is consistent arranges, along the outlet inwall circumference uniform distribution of noise reduction valve seat.
The parallel orifice plate of the utility model designs, and has reduced the dynamic torque of valve.It is intrinsic equal percentage Flow-rate adjustment control, treats as when doubly increasing orifice plate quantity, and the inherent Flow characteristics of valve can be modified to linearity.During the big aperture of valve, be deposited in the impurity of front end and, can all can not produced harmful effect to valve characteristic and parts, make valve be in the works fine situation all the time by fluid removal attached to the medium on the orifice plate.The design of noise reduction valve seat; Reduced near the pressure the sealing surface effectively, reduced the damage of medium, improved valve working life sealing surface; The man type throttling groove is equivalent to make medium through the two-stage step-down simultaneously, adds up-hole plate and can make this valve reach three grades of step-downs, noise reduction at least.
The utility model compared with prior art has the following advantages:
1. need not keep static seal pressure during the valve complete shut-down, structure is a pressure assisted seal.
2. axially the axial straight journey of speed ratio provides more excellent and durable valve rod place packing seal, can install urgent greasing seal valve additional, prevents external leakage.
3. because the ball core has V-structure, between spool and the valve seat revolution of no gap, thus very big shearing force and self-cleaning property had, stronger to the applicability of harsh operating modes such as head pressure (high noisy and cavitation erosion operating mode), mud, fiber and granule medium.
4. bigger regulating ratio and Cv value, the shape of the v-notch of ball core is relevant with the Flow characteristics of control valve, can in the excursion of the wide width of cloth, accurate control be provided.
5.V the type ball valve adopts dual bearing structure, mechanical stability is high, and starting torque is little, has guaranteed that valve has fabulous sensitivity and induction speed.
6. maximum fluidity volume: because its streamlined contour and full quarter-turn control make the maximum value of volume high especially, negotiability is big especially, is 2 times with other control valves of aperture.Circulating resistance is little, therefore can use less practical more economically valve size.
7. compare with the mazy type modulating valve, identical flow, it is much smaller that the High Pressure Difference V-type is regulated ball valve boundary dimension.
8. compare with the mazy type modulating valve; The body cavity lines that V-type is regulated ball valve are simple, are fit to anti-cemented carbide that washes away of spraying and lining, and the design of noise reduction valve seat has reduced near the pressure the sealing surface effectively; Reduced the damage of medium, improved valve working life sealing surface.The man type relief groove is equivalent to make medium through the two-stage step-down simultaneously, adds up-hole plate and can make this valve reach step-down, noise reduction more than three grades at least.
Description of drawings
The utility model has accompanying drawing 12 width of cloth, wherein:
Fig. 1 is that the High Pressure Difference V-type of the utility model is regulated ball valve axle side generalized section;
Fig. 2 is that the High Pressure Difference V-type of the utility model is regulated ball valve plane section front elevational schematic;
Fig. 3 is that the High Pressure Difference V-type of the utility model is regulated ball valve orifice union orifice plate layout schematic representation;
Fig. 4 is that the High Pressure Difference V-type of the utility model is regulated ball valve orifice union structure schematic side view;
Fig. 5 regulates ball valve orifice union structure master for the High Pressure Difference V-type of the utility model and looks schematic representation;
Fig. 6 is that the High Pressure Difference V-type of the utility model is regulated ball valve orifice union structure cross-sectional schematic;
Fig. 7 is that the High Pressure Difference V-type of the utility model is regulated the ball valve ball core structural representation;
Fig. 8 regulates the ball valve ball core partial structurtes for the High Pressure Difference V-type of the utility model and analyses schematic representation;
Fig. 9 is that the High Pressure Difference V-type of the utility model is regulated ball valve seat man type throttling groove schematic representation;
Figure 10 is the B-B sectional view of Fig. 9;
Figure 11 regulates ball valve core for the High Pressure Difference V-type of the utility model and is in the enable possition schematic representation.
Figure 12 is the orifice union schematic representation that the High Pressure Difference V-type of the utility model is regulated ball valve orifice strip shoulder hole.
In the accompanying drawing, 1, valve body, 2, the ball core, 3, the noise reduction valve seat, 4, graphite annulus, 5, the graphite annulus pressing plate; 6, spring seat pressing plate, 7, valve rod, 8, the tetrafluoro filler, 9, the filler spacer ring, 10, graphite packing, 11, the valve lever bushing tube, 12, thrust pad; 13, orifice union, 14, stationary axle, 15, the stationary axle end cap, 16, spirotallic gasket, 17, the stationary axle lining, 18, valve lever bushing; 19, filler gland, 20, Gland, 22, blind plate, 23, orifice plate, 24, the orifice plate afterbody, 25, the through hole on the orifice plate; 26, shoulder hole, 27, axle on the spool, 28, the spool lower shaft, 29, sealing surface of seat, 30, the man type throttling groove.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing the utility model is described further.
Shown in Fig. 1～9; The High Pressure Difference V-type is regulated ball valve and is comprised valve body 1, valve rod 7, stationary axle 14, spring seat pressing plate 6, graphite annulus pressing plate 5, graphite annulus 4, noise reduction valve seat 3 and ball core 2, and spring seat pressing plate 6, graphite annulus pressing plate 5, graphite annulus 4, noise reduction valve seat 3 place valve body one side of medium inlet successively, and ball core 2 is installed in the valve body 1 through valve rod 7 and stationary axle 14; Ball core 2 places on the noise reduction valve seat 3; Valve rod 7 is connected with ball core 2 through valve body 1, and stationary axle 14 is connected with spool 2 through valve body 1, and orifice union 1 is made up of the 1-20 layer orifice plate 23 that is fixedly connected in the ball core passage; 1-20 layer orifice plate 23 arranged along the parallel setting of ball core channel direction; The width of each layer orifice plate 23 is inequality, is that the width of each layer of benchmark orifice plate 23 exceeds according to ball core channel height and successively decreases with the height of ball core 2 channel center positions, is uniformly distributed with through hole 25 on the orifice plate 23; Orifice plate 23 former and later two limits are that the ball core feeder connection position of orifice plate and two limits at outlet position are and the identical circular arc limit of ball core sphere radian; Orifice plate afterbody 24 is that the ball core channel outlet position of orifice plate is a flap, and flap becomes 5～45 ° angle with the media flow direction, and centre distance is 6-20mm apart from the circular arc limit in the flap sideline.
The orifice plate 23 of orifice union 13 is processed manifold type and is connected in the ball core passage; Manifold type is at the connection blind plate 22 of the orifice plate that is arranged in parallel 23 upper and lower end face settings perpendicular to orifice plate 23; The shape and size at axle 27 spool lower shafts 28 places are relevant on the shape and size of blind plate 22 and the spool; Distance between adjacent two orifice plates 23 is 8-20mm, and several layers orifice plate 23 is linked to be an integrated package, and the blind plate 22 on the integrated package links to each other with ball mandrel 27,28 inner side ends.The outlet inwall of noise reduction valve seat 3 has some man type throttling grooves 30, and the width of throttling groove is 2-10mm, and the degree of depth is 2-8mm, and the chevron-notch angle is 30 ~ 120 °.
Present embodiment is when ball core 2 complete shut-downs: utilize the pretightening force of pressure reduction and elasticity noise reduction valve seat 3, excellent sealing is provided, metal hard-sealing can reach the V level.During spool 2 little opening: utilize valve seat man type throttling groove 30 and multilayer orifice plate 23 to reduce exit velocity, reduce noise and cavitation erosion, avoid flowing medium washing away to sealing surface of seat 29 and downstream.The valve circulation area progressively promotes, and orifice plate 23 resistances reduce, and gets into big flow and accurately adjusts state, and regulating ratio can reach 100: 1, can reach 300: 1 during heavy caliber.When spool 2 standard-sized sheets: flow resistance coefficient is very little, the big flow passing ability of approximate whole-through diameter ball valve is provided, and makes the passing rate of common impurities reach 100%.
Identical with embodiment 1, just orifice plate 23 mesopores 25 are the shoulder hole 26 of second order, and medium is multiplied ball valve step-down sum of series decrease of noise functions after shoulder hole 26 throttlings.The shoulder hole of second order is shown in figure 12.
Claims (6)
1. the High Pressure Difference V-type is regulated ball valve; Comprise valve body (1), valve rod (7), stationary axle (14), spring seat pressing plate (6), graphite annulus pressing plate (5), graphite annulus (4), noise reduction valve seat (3), ball core (2) and orifice union (13); Spring seat pressing plate (6), graphite annulus pressing plate (5), graphite annulus (4), noise reduction valve seat (3) place valve body one side of medium inlet successively; Ball core (2) is installed in the valve body (1) through valve rod (7) and stationary axle (14), and ball core (2) places on the noise reduction valve seat (3), and valve rod (7) is connected with ball core (2) through valve body (1); Stationary axle (14) is connected with spool (2) through valve body (1); It is characterized in that: said orifice union (13) is made up of the several layers orifice plate (23) that is fixedly connected in ball core (2) passage, and several layers orifice plate (23) arranges that along the parallel setting of ball core channel direction the width of each layer orifice plate (23) is inequality; With the height of ball core (2) channel center position is that the width of each layer of benchmark orifice plate (23) exceeds according to ball core channel height and successively decreases; Be uniformly distributed with through hole (25) on the orifice plate (23), former and later two limits of orifice plate (23) are that the ball core feeder connection position of orifice plate and two limits at outlet position are and the identical circular arc limit of ball core sphere radian that orifice plate afterbody (24) is that the ball core channel outlet position of orifice plate is a flap; Flap becomes 5～45 ° angle with the media flow direction, and centre distance is 6-20mm apart from the circular arc limit in the flap sideline; The outlet inwall of said noise reduction valve seat (3) has some man type throttling grooves (30), and the width of man type throttling groove is 2-10mm, and the degree of depth is 2-8mm, and the herringbone angle is 30--120 °.
2. regulate ball valve according to the said High Pressure Difference V-type of claim 1, it is characterized in that through hole (25) diameter on the said orifice plate is 3-18mm, the distance between the adjacent holes is 2-10mm.
3. regulate ball valve according to the said High Pressure Difference V-type of claim 2, it is characterized in that the through hole (25) on the said orifice plate is a shoulder hole (26), the exponent number of shoulder hole (26) is the 2-5 rank.
4. regulate ball valve according to the said High Pressure Difference V-type of claim 1, it is characterized in that said several layers orifice plate (23) is the 1-20 layer.
5. regulate ball valve according to the said High Pressure Difference V-type of claim 4; It is characterized in that the said several layers orifice plate (23) that is fixedly connected in ball core (2) passage processes manifold type and be connected in ball core (2) passage; Said manifold type is at the connection blind plate (22) of the upper and lower end face setting of the orifice plate that is arranged in parallel (23) perpendicular to orifice plate (23); Distance between adjacent two orifice plates (23) is 8-20mm; Several layers orifice plate (23) is linked to be an integrated package, and the blind plate on the integrated package (22) links to each other with ball mandrel (27,28) inner side end.
6. regulate ball valve according to the said High Pressure Difference V-type of claim 1, it is characterized in that said man type throttling groove (30) is 10-40, the consistent arrangement of direction of man type throttling groove (30) is along the outlet inwall circumference uniform distribution of noise reduction valve seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204494801U CN202432002U (en) | 2011-11-14 | 2011-11-14 | High-pressure difference V-shaped regulating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204494801U CN202432002U (en) | 2011-11-14 | 2011-11-14 | High-pressure difference V-shaped regulating ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN202432002U true CN202432002U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204494801U Expired - Fee Related CN202432002U (en) | 2011-11-14 | 2011-11-14 | High-pressure difference V-shaped regulating ball valve |
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|---|---|
| CN (1) | CN202432002U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672009A (en) * | 2013-11-30 | 2014-03-26 | 无锡智能自控工程股份有限公司 | Forged high-differential-pressure noise-reduction V-shaped regulating ball valve |
| CN103994275A (en) * | 2014-05-14 | 2014-08-20 | 上海西倍流体技术有限公司 | Grid type ball valve |
| CN106979379A (en) * | 2017-06-05 | 2017-07-25 | 成都华西流体控制科技有限公司 | A kind of orifice union and the multi-functional combination valve comprising the orifice union |
| CN107489783A (en) * | 2017-09-22 | 2017-12-19 | 兰州理工大学 | A kind of noise elimination V-type ball valve with combined pore plate |
| CN108204464A (en) * | 2016-12-19 | 2018-06-26 | 大众汽车有限公司 | Valve module with guard ring |
| 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 |
| CN109114249A (en) * | 2017-06-22 | 2019-01-01 | 上海弘盛特种阀门制造股份有限公司 | A kind of high temperature regulation ball valve |
| WO2019168540A1 (en) * | 2018-03-02 | 2019-09-06 | Saudi Arabian Oil Company | Erosion resistant trim for a valve |
| CN112013126A (en) * | 2020-08-21 | 2020-12-01 | 肯卓自控工程(江苏)有限公司 | Pressure balance type adjusting ball valve |
-
2011
- 2011-11-14 CN CN2011204494801U patent/CN202432002U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672009A (en) * | 2013-11-30 | 2014-03-26 | 无锡智能自控工程股份有限公司 | Forged high-differential-pressure noise-reduction V-shaped regulating ball valve |
| CN103994275A (en) * | 2014-05-14 | 2014-08-20 | 上海西倍流体技术有限公司 | Grid type ball valve |
| CN108204464A (en) * | 2016-12-19 | 2018-06-26 | 大众汽车有限公司 | Valve module with guard ring |
| CN106979379A (en) * | 2017-06-05 | 2017-07-25 | 成都华西流体控制科技有限公司 | A kind of orifice union and the multi-functional combination valve comprising the orifice union |
| CN109114249A (en) * | 2017-06-22 | 2019-01-01 | 上海弘盛特种阀门制造股份有限公司 | A kind of high temperature regulation ball valve |
| CN107489783A (en) * | 2017-09-22 | 2017-12-19 | 兰州理工大学 | A kind of noise elimination V-type ball valve with combined pore plate |
| CN107489783B (en) * | 2017-09-22 | 2019-09-17 | 兰州理工大学 | A kind of noise elimination V-type ball valve with combined pore plate |
| WO2019168540A1 (en) * | 2018-03-02 | 2019-09-06 | Saudi Arabian Oil Company | Erosion resistant trim for a valve |
| US11739850B2 (en) | 2018-03-02 | 2023-08-29 | Saudi Arabian Oil Company | Erosion resistant trim for a valve |
| 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 |
| CN112013126A (en) * | 2020-08-21 | 2020-12-01 | 肯卓自控工程(江苏)有限公司 | Pressure balance type adjusting ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |