CN205155212U - Take high parameter multi -step pressure reduction valve of porous case - Google Patents
Take high parameter multi -step pressure reduction valve of porous case Download PDFInfo
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- CN205155212U CN205155212U CN201520945934.2U CN201520945934U CN205155212U CN 205155212 U CN205155212 U CN 205155212U CN 201520945934 U CN201520945934 U CN 201520945934U CN 205155212 U CN205155212 U CN 205155212U
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- valve
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- sleeve
- spool
- case
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Abstract
The utility model discloses a take high parameter multi -step pressure reduction valve of porous case, including actuating mechanism, valve rod, valve import, income oral cavity, sleeve, orifice plate, outlet chamber, valve export, case and valve body, actuating mechanism installs in the valve rod top, the sleeve is fixed in the valve body, and telescopic lateral wall is opened there is the sleeve through -hole, the case assembles in telescopic the first half, the relative sleeve coaxial rotation of case, the lateral wall of case is opened there is the case through -hole, fluid passage is constituteed to the coincidence part of case through -hole and sleeve through -hole, and a plurality of orifice plates are installed to the case lower extreme, the valve body left end is equipped with into the oral cavity, and the valve body right -hand member is equipped with outlet chamber, going into the oral cavity left end and being equipped with the valve import, the outlet chamber right -hand member is equipped with the valve export. The utility model provides an orifice plate of case lower extreme plays supporting role to the case, compact structure realizes the multi -step pressure reduction in the valve, reduce the pressure relief device volume, different orifice plate number can be required according to the operating mode of difference to select.
Description
[technical field]
The utility model 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 utility model 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.
[model utility content]
The purpose of this utility model 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 utility model 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.
The beneficial effects of the utility model:
The orifice plate of the spool lower end 1, in the utility model 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 utility model, 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 utility model 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 utility model;
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 utility model.
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 utility model, 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.
Utility model works process:
A kind of high parameter multi-step pressure reduction valve with porous spool of the utility model 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 utility model, 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 utility model, 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 utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
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 |
|---|---|---|---|
| CN201520945934.2U CN205155212U (en) | 2015-11-23 | 2015-11-23 | Take high parameter multi -step pressure reduction valve of porous case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520945934.2U CN205155212U (en) | 2015-11-23 | 2015-11-23 | Take high parameter multi -step pressure reduction valve of porous case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155212U true CN205155212U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520945934.2U Expired - Fee Related CN205155212U (en) | 2015-11-23 | 2015-11-23 | Take high parameter multi -step pressure reduction valve of porous case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155212U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257855A (en) * | 2015-11-23 | 2016-01-20 | 浙江大学 | High-parameter multistage pressure reducing valve with porous valve core |
| CN113175559A (en) * | 2021-04-30 | 2021-07-27 | 四川泰诺流体控制技术有限公司 | Multi-flow-direction valve cage and valve cage module |
| CN116658632A (en) * | 2023-07-25 | 2023-08-29 | 宁波索诺工业自控设备有限公司 | Angle seat valve |
-
2015
- 2015-11-23 CN CN201520945934.2U patent/CN205155212U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257855A (en) * | 2015-11-23 | 2016-01-20 | 浙江大学 | High-parameter multistage pressure reducing valve with porous valve core |
| CN113175559A (en) * | 2021-04-30 | 2021-07-27 | 四川泰诺流体控制技术有限公司 | Multi-flow-direction valve cage and valve cage module |
| CN113175559B (en) * | 2021-04-30 | 2022-08-16 | 四川泰诺流体控制技术有限公司 | Multi-flow-direction valve cage and valve cage module |
| CN116658632A (en) * | 2023-07-25 | 2023-08-29 | 宁波索诺工业自控设备有限公司 | Angle seat valve |
| CN116658632B (en) * | 2023-07-25 | 2023-11-10 | 宁波索诺工业自控设备有限公司 | Angle seat 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161123 |