CN105257855A - High-parameter multistage pressure reducing valve with porous valve core - Google Patents
High-parameter multistage pressure reducing valve with porous valve core Download PDFInfo
- Publication number
- CN105257855A CN105257855A CN201510824754.3A CN201510824754A CN105257855A CN 105257855 A CN105257855 A CN 105257855A CN 201510824754 A CN201510824754 A CN 201510824754A CN 105257855 A CN105257855 A CN 105257855A
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- Prior art keywords
- valve
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- sleeve
- spool
- valve core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16K5/04—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 cylindrical surfaces; Packings therefor
- F16K5/0407—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 cylindrical 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
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
- F16K47/14—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths the throttling member being a perforated membrane
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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
- F16K5/08—Details
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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 high-parameter multistage pressure reducing valve with a porous valve core. The high-parameter multistage pressure reducing valve comprises a driving mechanism, a valve rod, a valve inlet, an inlet cavity, a sleeve, orifice plates, an outlet cavity, a valve outlet, a valve core and a valve body; the driving mechanism is mounted above the valve rod; the sleeve is fixed within the valve body and a sleeve through hole is formed in a sidewall of the sleeve; the valve core is assembled on an upper half part of the sleeve and capable of coaxially rotating relative to the sleeve; a valve core through hole is formed in a sidewall of the valve core; a fluid channel is formed by overlapping parts of the valve core through hole and the sleeve through hole; a plurality of orifice plates are mounted at a lower end of the valve core; the inlet cavity is arranged at a left end of the valve body, while the outlet cavity is arranged at a right end of the valve body; the valve inlet is formed in a left end of the inlet cavity, while the valve outlet is formed in the right end of the outlet cavity. The orifice plates at the lower end of the valve core in the high-parameter multistage pressure reducing valve function in supporting the valve core; the high-parameter multistage pressure reducing valve is compact in structure, and multistage pressure reduction is realized in the valve so that a volume of a decompressor can be reduced; different numbers of orifice plates can be selected according to different working conditions.
Description
[technical field]
The present invention relates to the technical field of valve, particularly a kind of technical field of the high parameter multi-step pressure reduction valve with porous spool.
[background technique]
China is energy consumption big country, and along with the construction of the national mega projects such as Chinese large-sized Coal Chemical Industry, heavy-duty generator group, new energy engineering and airplane carrier, the complicated industrial and mineral unit such as various High Temperature High Pressure constantly occurs.Reducing-and-cooling plant is one of element most crucial in these construction project.Reduction valve is as the pressure regulatory element in reducing-and-cooling plant, and the safety and stability of its performance to whole reducing-and-cooling plant and even whole construction project has material impact.
In current fluid transport system, comparatively common decompression method is the single-stage pressure reducing mode adopting one-level throttling, by changing valve opening, causes the different pressure losses.But in high pressure, and when Pressure reducing ratio requires larger, single-stage pressure reducing is difficult to meet decompression requirement, and not only stability is bad, and working efficiency is lower.And multi-step pressure reduction generally adopts multiple step plug or multistage orifice plate, but existing multi-step pressure reduction valve arrangement is comparatively complicated, and manufacture cost is higher, and easily breaks down in running.Such as, Chinese invention patent CN201210314669 discloses a kind of adjustable high Pressure reducing ratio reduction valve, this reduction valve mainly utilizes the valve pocket with multiple valve seat, installs the valve rod assembly coordinated with valve pocket in valve pocket through hole, and valve rod assembly moves up and down and carries out multi-step pressure reduction to medium.This structure of relief pressure valve is complicated, and the turbulence losses that fluid flows in valve body is large, easily produces larger noise.Chinese utility model patent CN200920304240 discloses a kind of porous valve core type low noise adjustable valve, the inlet passage of this modulating valve is connected with outlet passage and valve body lumen S-shaped structure, utilize valve rod to move up and down the Flow area changed between spool and valve cage, thus pressure is regulated.The spool of this reduction valve needs to move up and down, and need external force to go balanced fluid to the unbalanced force of spool, and moving up and down of spool easily causes the destruction of sealing surface, is difficult to be adapted to the work under the contour parametric environmental of High Temperature High Pressure.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, and propose a kind of high parameter multi-step pressure reduction valve with porous spool, this structure of relief pressure valve is compact, reduces the cost of reduction valve manufacture and use.
For achieving the above object, the present invention proposes a kind of high parameter multi-step pressure reduction valve with porous spool, comprise driving mechanism, valve rod, valve inlet, entrance cavity, sleeve, orifice plate, outlet plenum, valve export, spool and valve body; Described driving mechanism is installed on above valve rod; Described sleeve is fixed in valve body, and the sidewall of sleeve has sleeve through hole; Described spool is assemblied in upper half part of sleeve, described spool relative sleeve coaxial rotation, and the sidewall of spool has valve core through hole, the intersection composition fluid passage of described valve core through hole and sleeve through hole, and spool lower end is provided with some pieces of orifice plates; Described valve body left end is provided with entrance cavity, and valve body right-hand member is provided with outlet plenum, and described entrance cavity left end is provided with valve inlet, and outlet plenum right-hand member is provided with valve export.
As preferably, the sidewall of described sleeve has sleeve through hole, described sleeve through hole is the long strip waist hole in substantially horizontal, and the axis of sleeve through hole is vertical with sleeve lateral wall.
As preferably, the sidewall of described spool has valve core through hole, described valve core through hole is the long strip waist hole in substantially horizontal, valve core through hole is downward-sloping, the axis of valve core through hole and horizontal line angle are 30 ~ 60 °, in order to reduce the impact and the turbulent flow that flow into the fluid of spool from lateral through aperture, reduce turbulent dissipation.
As preferably, described sleeve through hole and valve core through hole one_to_one corresponding, rotational valve core changes the contact ratio of sleeve through hole and valve core through hole, to realize the adjustment of valve opening, when valve opening is maximum, sleeve through hole and valve core through hole overlap completely, and when the valve is closed, sleeve through hole and valve core through hole contact ratio are zero.
As preferably, the quantity of described orifice plate is at least 2, and orifice plate can be played a supporting role to spool, increases its rigidity, and the quantity of orifice plate can design as required, to adapt to different industrial applications regulates different requirements to pressure.
As preferably, between the lower end convex shoulder of described valve rod and the surface of contact of spool, be provided with seal ring, prevent high-pressure liquid from leaking to low pressure area, between described sleeve and spool, be provided with seal ring.
As preferably, described valve body has been bolted valve gap, and the convex shoulder of described valve rod upper end contacts with on the downside of valve gap, contacts on the upside of valve gap with top cover, makes the convex shoulder of valve rod upper end and top cover be stuck in valve gap both sides.Connect with bolt, valve rod can not be moved up and down by valve body relatively, and under the drive of driving mechanism, can only rotate around its own rotation axis, thus drive valve core rotation.
Beneficial effect of the present invention:
The orifice plate of the spool lower end 1, in the present invention plays a supportive role to spool, increases the rigidity of spool, not yielding, extends spool working life.
2, the compact structure of high parameter multi-step pressure reduction valve of the present invention, realizes multi-step pressure reduction in valve, reduces decompressor volume.
3, at valve design with when choosing, different orifice plate numbers can be selected according to different working condition requirements, be applicable to different industry and produce pressure controlled requirement.
Feature of the present invention and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the half sectional view of a kind of high parameter multi-step pressure reduction valve with porous spool of the present invention;
Fig. 2 is the half sectional view of the spool of a kind of high parameter multi-step pressure reduction valve with porous spool of the present invention.
In figure: 1-driving mechanism, 2-valve rod, 3-valve gap, 4-end cap, 5-seal ring, 6-seal ring, 7-valve core through hole, 8-valve inlet, 9-entrance cavity, 10-sleeve through hole, 11-sleeve, 12-barrel bore, 13-orifice plate, 14-orifice plate aperture, 15-outlet plenum, 16-valve export, 17-spool, 18-valve core cavity, 19-valve body, 20-axle fixed block, 21-top cover.
[embodiment]
Consult Fig. 1 and Fig. 2, the present invention, comprise driving mechanism 1, valve rod 2, valve inlet 8, entrance cavity 9, sleeve 11, orifice plate 13, outlet plenum 15, valve export 16, spool 17 and valve body 19; Described driving mechanism 1 is installed on above valve rod 2; Described sleeve 11 is fixed in valve body 19, and the sidewall of sleeve 11 has sleeve through hole 10; Described spool 17 is assemblied in upper half part of sleeve 11, described spool 17 relative sleeve 11 coaxial rotation, the sidewall of spool 17 has valve core through hole 7, the intersection composition fluid passage of described valve core through hole 7 and sleeve through hole 10, and spool 17 lower end is provided with some pieces of orifice plates 13; Described valve body 19 left end is provided with entrance cavity 9, and valve body 19 right-hand member is provided with outlet plenum 15, and described entrance cavity 9 left end is provided with valve inlet 8, and outlet plenum 15 right-hand member is provided with valve export 16.
Concrete, the sidewall of described sleeve 11 has sleeve through hole 10, and described sleeve through hole 10 is the long strip waist hole in substantially horizontal, the axis of sleeve through hole 10 and sleeve 11 sidewalls orthogonal.
Concrete, the sidewall of described spool 17 has valve core through hole 7, described valve core through hole 7 is the long strip waist hole in substantially horizontal, valve core through hole 7 is downward-sloping, the axis of valve core through hole 7 and horizontal line angle are 30 ~ 60 °, in order to reduce the impact and the turbulent flow that flow into the fluid of spool 17 from lateral through aperture 7, reduce turbulent dissipation.
Concrete, described sleeve through hole 10 and valve core through hole 7 one_to_one corresponding, rotational valve core 17 changes the contact ratio of sleeve through hole 10 and valve core through hole 7, to realize the adjustment of valve opening, when valve opening is maximum, sleeve through hole 10 and valve core through hole 7 overlap completely, and when the valve is closed, sleeve through hole 10 and valve core through hole 7 contact ratio are zero.
Concrete, the quantity of described orifice plate 13 is at least 2, and orifice plate 13 can be played a supporting role to spool 17, increases its rigidity, and the quantity of orifice plate 13 can design as required, to adapt to different industrial applications regulates different requirements to pressure.
Concrete, be provided with seal ring 5 between the lower end convex shoulder of described valve rod 2 and the surface of contact of spool 17, prevent high-pressure liquid from leaking to low pressure area, between described sleeve 11 and spool 17, be provided with seal ring 6.
Concrete, described valve body 19 has been bolted valve gap 3, and the convex shoulder of described valve rod 2 upper end contacts with on the downside of valve gap 3, contacts on the upside of valve gap 3 with top cover 21, makes the convex shoulder of valve rod 2 upper end and top cover 21 be stuck in valve gap 3 both sides.Connect with bolt, valve rod 2 can not be moved up and down by valve body 19 relatively, and under the drive of driving mechanism 1, can only rotate around its own rotation axis, thus band movable valve plug 17 rotates.
Working procedure of the present invention:
A kind of high parameter multi-step pressure reduction valve with porous spool of the present invention in the course of the work, after fluid enters entrance cavity 9 from valve inlet 8, through sleeve through hole 10 and the valve core through hole 7 of sleeve 11 upper half part, completes one-level decompression; Enter valve core cavity 18 afterwards, then enter barrel bore 12 by the orifice plate 13 of spool 17 lower end, complete second depressurized; Finally flow to outlet plenum 15 from the sleeve through hole 10 of sleeve 11 lower half portion, complete three grades of decompressions.
The present invention, orifice plate 13 pairs of spools 17 of spool 17 lower end play a supportive role, and increase the rigidity of spool 17, not yielding, extend spool 17 working life; The compact structure of high parameter multi-step pressure reduction valve of the present invention, realizes multi-step pressure reduction in valve, reduces decompressor volume; At valve design with when choosing, different orifice plate 13 quantity can be selected according to different working condition requirements, be applicable to different industry and produce pressure controlled requirement.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (7)
1. the high parameter multi-step pressure reduction valve with porous spool, is characterized in that: comprise driving mechanism (1), valve rod (2), valve inlet (8), entrance cavity (9), sleeve (11), orifice plate (13), outlet plenum (15), valve export (16), spool (17) and valve body (19); Described driving mechanism (1) is installed on valve rod (2) top; Described sleeve (11) is fixed in valve body (19), and the sidewall of sleeve (11) has sleeve through hole (10); Described spool (17) is assemblied in upper half part of sleeve (11), described spool (17) relative sleeve (11) coaxial rotation, the sidewall of spool (17) has valve core through hole (7), the intersection composition fluid passage of described valve core through hole (7) and sleeve through hole (10), spool (17) lower end is provided with some pieces of orifice plates (13); Described valve body (19) left end is provided with entrance cavity (9), valve body (19) right-hand member is provided with outlet plenum (15), described entrance cavity (9) left end is provided with valve inlet (8), and outlet plenum (15) right-hand member is provided with valve export (16).
2. a kind of high parameter multi-step pressure reduction valve with porous spool as claimed in claim 1, it is characterized in that: the sidewall of described sleeve (11) has sleeve through hole (10), described sleeve through hole (10) is the long strip waist hole in substantially horizontal, the axis of sleeve through hole (10) and sleeve (11) sidewalls orthogonal.
3. a kind of high parameter multi-step pressure reduction valve with porous spool as claimed in claim 1, it is characterized in that: the sidewall of described spool (17) has valve core through hole (7), described valve core through hole (7) is the long strip waist hole in substantially horizontal, valve core through hole (7) is downward-sloping, and the axis of valve core through hole (7) and horizontal line angle are 30 ~ 60 °.
4. a kind of high parameter multi-step pressure reduction valve with porous spool as claimed in claim 1, it is characterized in that: described sleeve through hole (10) and valve core through hole (7) one_to_one corresponding, rotational valve core (17) changes the contact ratio of sleeve through hole (10) and valve core through hole (7).
5. a kind of high parameter multi-step pressure reduction valve with porous spool as claimed in claim 1, is characterized in that: the quantity of described orifice plate (13) is at least 2.
6. a kind of high parameter multi-step pressure reduction valve with porous spool as claimed in claim 1, it is characterized in that: be provided with seal ring (5) between the lower end convex shoulder of described valve rod (2) and the surface of contact of spool (17), between described sleeve (11) and spool (17), be provided with seal ring (6).
7. a kind of high parameter multi-step pressure reduction valve with porous spool as claimed in claim 1, it is characterized in that: described valve body (19) has been bolted valve gap (3), the convex shoulder of described valve rod (2) upper end contacts with valve gap (3) downside, and valve gap (3) upside contacts with top cover (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824754.3A CN105257855A (en) | 2015-11-23 | 2015-11-23 | High-parameter multistage pressure reducing valve with porous valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824754.3A CN105257855A (en) | 2015-11-23 | 2015-11-23 | High-parameter multistage pressure reducing valve with porous valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105257855A true CN105257855A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510824754.3A Pending CN105257855A (en) | 2015-11-23 | 2015-11-23 | High-parameter multistage pressure reducing valve with porous valve core |
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| Country | Link |
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| CN (1) | CN105257855A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210271A (en) * | 2018-10-16 | 2019-01-15 | 江苏高特阀业有限公司 | Water supply rotary electric regulating valve capable of washing |
| CN109751432A (en) * | 2019-02-22 | 2019-05-14 | 凯瑞特阀业有限公司 | flow control valve |
| CN110765559A (en) * | 2019-10-08 | 2020-02-07 | 浙江大学 | Method for predicting flow characteristic of sleeve valve |
| CN111577916A (en) * | 2020-03-31 | 2020-08-25 | 杭州华惠阀门有限公司 | Regulating valve |
| CN111609160A (en) * | 2020-06-02 | 2020-09-01 | 吴恒 | Water tap with water leakage-free belt pressurizing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514879A1 (en) * | 1975-04-05 | 1976-10-14 | Holter Gmbh & Co | Pressure reducing valve for steam, gas or liquid - permits regulation without high noise level and valve damage |
| CN201420862Y (en) * | 2009-06-11 | 2010-03-10 | 浙江永盛仪表有限公司 | Porous low noise adjustable valve |
| CN202251998U (en) * | 2011-09-19 | 2012-05-30 | 天津精通控制仪表技术有限公司 | Cage-type regulating valve provided with reinforced plate valve core |
| CN202646752U (en) * | 2012-03-23 | 2013-01-02 | 浙江三方控制阀股份有限公司 | Three-stage pressure reduction regulating valve |
| CN102979923A (en) * | 2012-11-30 | 2013-03-20 | 无锡智能自控工程股份有限公司 | Reduced pressure regulating valve special for reflowing of liquid oxygen pump |
| CN204254014U (en) * | 2014-10-11 | 2015-04-08 | 开封高中压阀门有限公司 | A kind of high pressure bypass valve |
| CN204554034U (en) * | 2015-04-22 | 2015-08-12 | 艾坦姆流体控制技术（北京）有限公司 | A kind of control valve |
| CN205155212U (en) * | 2015-11-23 | 2016-04-13 | 浙江大学 | Take high parameter multi -step pressure reduction valve of porous case |
-
2015
- 2015-11-23 CN CN201510824754.3A patent/CN105257855A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514879A1 (en) * | 1975-04-05 | 1976-10-14 | Holter Gmbh & Co | Pressure reducing valve for steam, gas or liquid - permits regulation without high noise level and valve damage |
| CN201420862Y (en) * | 2009-06-11 | 2010-03-10 | 浙江永盛仪表有限公司 | Porous low noise adjustable valve |
| CN202251998U (en) * | 2011-09-19 | 2012-05-30 | 天津精通控制仪表技术有限公司 | Cage-type regulating valve provided with reinforced plate valve core |
| CN202646752U (en) * | 2012-03-23 | 2013-01-02 | 浙江三方控制阀股份有限公司 | Three-stage pressure reduction regulating valve |
| CN102979923A (en) * | 2012-11-30 | 2013-03-20 | 无锡智能自控工程股份有限公司 | Reduced pressure regulating valve special for reflowing of liquid oxygen pump |
| CN204254014U (en) * | 2014-10-11 | 2015-04-08 | 开封高中压阀门有限公司 | A kind of high pressure bypass valve |
| CN204554034U (en) * | 2015-04-22 | 2015-08-12 | 艾坦姆流体控制技术（北京）有限公司 | A kind of control valve |
| CN205155212U (en) * | 2015-11-23 | 2016-04-13 | 浙江大学 | Take high parameter multi -step pressure reduction valve of porous case |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210271A (en) * | 2018-10-16 | 2019-01-15 | 江苏高特阀业有限公司 | Water supply rotary electric regulating valve capable of washing |
| CN109751432A (en) * | 2019-02-22 | 2019-05-14 | 凯瑞特阀业有限公司 | flow control valve |
| CN110765559A (en) * | 2019-10-08 | 2020-02-07 | 浙江大学 | Method for predicting flow characteristic of sleeve valve |
| CN110765559B (en) * | 2019-10-08 | 2021-06-25 | 浙江大学 | Method for predicting flow characteristic of sleeve valve |
| CN111577916A (en) * | 2020-03-31 | 2020-08-25 | 杭州华惠阀门有限公司 | Regulating valve |
| CN111609160A (en) * | 2020-06-02 | 2020-09-01 | 吴恒 | Water tap with water leakage-free belt pressurizing function |
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| PB01 | Publication | ||
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Application publication date: 20160120 |