CN102011882B - Pressure reducing valve and use thereof as well as fluid conveying system - Google Patents
Pressure reducing valve and use thereof as well as fluid conveying system Download PDFInfo
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- CN102011882B CN102011882B CN 201010552610 CN201010552610A CN102011882B CN 102011882 B CN102011882 B CN 102011882B CN 201010552610 CN201010552610 CN 201010552610 CN 201010552610 A CN201010552610 A CN 201010552610A CN 102011882 B CN102011882 B CN 102011882B
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Abstract
The invention relates to a pressure reducing valve and use thereof as well as a fluid conveying system. The pressure reducing valve comprises a valve body, a valve cavity, a valve rod and a valve element, wherein, the valve body is provided with a lateral inlet and a lower outlet; the lateral inlet, the valve cavity and an outlet channel form a fluid channel; the valve rod extends in the valve body and can move along the longitudinal axis of the valve rod, and the valve rod is provided with a first end and a second end; the valve element is provided with a valve element connecting part which is positioned on the upper end of the valve element and is fixedly connected or bonded with the first end of the valve rod, a valve element middle part and a valve head positioned on the lower end of the valve element; the diameter D1 of the valve element middle part is more than the diameter d1 of the outlet channel; and at least one part of the valve head can be accommodated in the outlet channel and can move along the longitudinal axis direction of the outlet channel. The pressure reducing valve has the advantages of simple structure and applicability to a high solid content material decompression and control system, and is easy to maintain.
Description
Technical field
The present invention relates to a kind of reduction valve and uses thereof, fluid delivery system.
Background technique
Reduction valve is a kind of pressure controlled valve; When the pressure of hydraulic system reaches the setting value of valve; Reduction valve is discharged part or all liquid, and inlet pressure is reduced to the pressure of a certain needs, thereby realizes making the pressure in the hydraulic system to remain on the function below the setting value.See from hydromechanical viewpoint; Reduction valve is a throttle element that local resistance can change, and promptly through changing orifice size, flow velocity and kinetic energy is changed; Cause the different pressure losses; Thereby reach the purpose of decompression, rely on the adjusting of control and regulating system then, make downstream pressure in certain margin of error, keep constant.
In the prior art; This modulating valve does not structurally usually consider to carry out in the high-temperature high-pressure medium to take place in desuperheat, the decompression process complexity that the medium phase transformation changes; Therefore its desuperheat, effect of easing stress are poor; Be inappropriate for significantly desuperheat, decompression is the circulation of HTHP difference medium, and usually makes loss of seal such as runner and throttle part cavitate because of producing at short notice, wash away, wearing and tearing, noise, vibration and flow regulating function influence the operation of device.
The delivery method of the High Pressure Difference multiple phase material flow described in the one Chinese patent application publication number CN1888018A (application number 200610099205.5); Gaseous stream through high-temperature high-pressure separator gets into the transformation separator; The pressure of control transformation separator drains into the medium temperature and medium pressure separator with the liquid phase material of high-pressure separator through the transformation separator, to reach the purpose that reduces to contain the pressure reduction that solid-liquid discharges mutually.But this complex technical process, needing increases the control between high-pressure bottle and high-pressure bottle, and equipment investment reaches and is not easy to operate, poor stability.
HTHP decompression valve described in the one Chinese patent application publication number CN2209742 (application number 94248389.8); Adopt multistage fixed restriction area and multistage adjustable area to combine; Circulation passage through complications increases resistance; Reduce pressure drop difference, undergo phase transition the requirement of variation when being suitable for desuperheat in the medium, decompression.But this structure is applicable to the gas of clean medium or the decompression of liquid and regulates that for the material under the high solid content state, its cranky runner very easily weares and teares and stops up, and the decompression that is inappropriate for the material of HTHP difference high solids is regulated.
Summary of the invention
The reduction valve that relates in one aspect to of the present invention comprises:
Valve body has side direction import and lower exit;
Valve pocket, wherein, side direction import, valve pocket and outlet passage form the fluid passage;
Valve rod extends in valve body and can move along the longitudinal axis of valve rod; Valve rod has first end and second end;
Spool has:
-spool joint is positioned at the upper end of spool, and be fixedly connected with first end of valve rod or combine,
-spool middle part,
-valve head is positioned at the lower end of spool;
Wherein, the diameter D1 at spool middle part is greater than the diameter d 1 of outlet passage;
Wherein, at least a portion of valve head can be contained in the outlet passage and can move along the longitudinal axis of outlet passage.
Preferably, the lower diameter of valve head is less than upper diameter.
Preferably, valve head is taper or the spindle of lower diameter less than upper diameter.
Preferably, the angle of the taper of valve head is 2 °～15 °, preferred 3 °～10 °, and most preferably 3 °～8 °.
Preferably, the combine diameter d 1 of valve head root diameter (RD) D and outlet passage at place of valve head and spool middle part is identical.
Preferably, the length H of outlet passage is 3～8 times of diameter d 1 of outlet passage, preferred 4～6 times.
Preferably, the spool joint removably is fixedly connected with first end of valve rod or combines.
Preferably, the spool joint is fixedly connected through screw thread and/or pin with first end of valve rod or combines.
Preferably, reduction valve further comprises: outlet taper hole enlargement mouth, be positioned at the lower exit place and with the outlet passage fluid communication.
Preferably, the angle β of taper hole enlargement mouth is 15 °～45 °, preferred 20 °～40 °, and more preferably 25 °～42 °, most preferably 28 °～34 °.
Preferably, valve rod, spool and outlet passage are coaxial.
Preferably, when spool contacts with the open upper end of outlet passage, form cooperation.
Preferably, cooperation is carried out through dome and the recessed circle with same radius R.
Preferably, the side direction import is provided with the lining of being processed by anti-abrasive material.
The invention still further relates to reduction valve of the present invention and in fluid delivery system, be used for the purposes of fluid pressure.
Preferably, said fluid contains solid.
Preferably, said fluid delivery system is the High Pressure Difference fluid delivery system.
Preferably, said fluid delivery system is the transporting system of HTHP difference high solids fluid.
Preferably, said fluid delivery system is the coal slurry transporting system.
The invention still further relates to a kind of fluid delivery system, comprise reduction valve of the present invention.
Structure of relief pressure valve of the present invention is simple, is easy to safeguard, goes for the material decompression control system of HTHP difference high solids.
Description of drawings
Fig. 1 is the internal structure sectional view of high-temperature high-pressure difference pressure-reducing valve of the present invention.
Fig. 2 is spool of the present invention, valve rod Placement schematic representation.
Fig. 3 is a valve seat construction schematic representation of the present invention.
Embodiment
The present invention relates to a kind of reduction valve, comprising:
Valve body 100 has side direction import 130 and lower exit 150;
Valve pocket 140, wherein, side direction import 130, valve pocket 140 and outlet passage 401 formation fluid passages;
Valve rod 200 extends in valve body 100 and can move along the longitudinal axis of valve rod 200; Valve rod 200 has first end and second end;
Spool 300, spool 300 has:
-spool joint 301 is positioned at the upper end of spool 300, and be fixedly connected with first end of valve rod 200 or combine,
-spool middle part 302,
-valve head 303 is positioned at the lower end of spool 300;
Wherein, the diameter D1 at spool middle part 302 is greater than the diameter d 1 of outlet passage 401;
Wherein, at least a portion of valve head 303 can be contained in the outlet passage 401 and can move along the longitudinal axis of outlet passage 401.
Preferably, reduction valve further comprises:
A kind of preferred embodiment in, reduction valve of the present invention comprises:
Valve body 100 has side direction import 130 and lower exit 150;
Valve pocket 140, wherein, side direction import 130, valve pocket 140 and outlet passage 401 formation fluid passages;
Valve rod 200 extends in valve body 100 and can move along the longitudinal axis of valve rod 200; Valve rod 200 has first end and second end;
-spool joint 301 is positioned at the upper end of spool 300, and be fixedly connected with first end of valve rod 200 or combine,
-spool middle part 302,
-valve head 303 is positioned at the lower end of spool 300;
Wherein, the diameter D1 at spool middle part 302 is greater than the diameter d 1 of outlet passage 401;
Wherein, at least a portion of valve head 303 can be contained in the outlet passage 401 and can move along the longitudinal axis of outlet passage 401.
A kind of preferred embodiment in, the lower diameter of valve head 303 is less than upper diameter.Preferably, valve head 303 is taper or the spindle of lower diameter less than upper diameter.Preferably, the angle of the taper of valve head 303 is 2 °～15 °, preferred 3 °～10 °, and most preferably 3 °～8 °.
Preferably, the combine diameter d 1 of valve head root diameter (RD) D and outlet passage 401 at place of valve head 303 and spool middle part 302 is identical.Preferably, the length H of outlet passage 401 is 3～8 times of diameter d 1 of outlet passage 401, preferred 4～6 times.
Preferably, spool joint 301 removably is fixedly connected with first end of valve rod 200 or combines.Preferably, spool joint 301 is fixedly connected through screw thread and/or pin with first end of valve rod 200 or combines.
Preferably, reduction valve further comprises: outlet taper hole enlargement mouth 402, be positioned at lower exit 150 places and with outlet passage 401 fluid communication.Preferably, the angle β of taper hole enlargement mouth 402 is 15～45 °, preferred 28～34 °.
Preferably, valve rod 200, spool 300 and outlet passage 401 are coaxial.That is to say that the longitudinal axis of valve rod 200, spool 300 and outlet passage 401 is basically on same straight line.
Preferably, valve pocket 140 perisporiums are provided with import guide pin bushing 109.
Preferably, second end of valve rod 200 is connected with the actuator 501 of control valve rod or combines.
Referring to figs. 1 through Fig. 3 a kind of preferred implementation of the present invention is carried out detailed explanation below.
As shown in Figure 1, reduction valve of the present invention comprises valve body 100, valve pocket 140, stuffing box 108, valve seat 400, valve rod 200, spool 300.
Preferably, below outlet passage 401, be positioned at lower exit 150 places and form outlet taper hole enlargement mouth 402.Straight section outlet passage 401 back exit taper hole enlargement mouths 402, the unexpected hole enlargement of back material inlet passage of can avoiding reducing pressure, speed descends rapidly.The angle β of taper hole enlargement mouth 402 is 15 °～45 °, preferred 20 °～40 °, and more preferably 25 °～42 °, most preferably 28 °～34 °.
Spool joint 301 is positioned at the upper end of spool 300, is fixedly connected with first end of valve rod 200 or combines.Preferably, spool joint 301 removably is fixedly connected with first end of valve rod 200 or combines.Spool joint 301 is fixedly connected through screw thread and/or pin with first end of valve rod 200 or combines.For example, valve rod 200 is connected with spool joint 301 through screw thread, and is tight with lock then.Certainly, spool 300 also can be integrally formed or weld together with valve rod 200, but it is very inconvenient to change parts in this case.For the ease of the spool 300 that replacing is easy to wear and tear, preferred spool 300 removably is fixedly connected with first end of valve rod 200 or combines.
Spool middle part 302 is between spool joint 301 and the valve head 303.The diameter D1 at spool middle part 302 is greater than the diameter d 1 of outlet passage 401.So just can be so that spool middle part 302 is contained in valve pocket 140.When spool 300 moved down, spool middle part 302 was blocked in the open upper end of outlet passage 401, thereby shutoff outlet passage 401 makes reduction valve be in closed condition.
Medium (or fluid) gets into valve pocket 140 from side direction, and the passage that constitutes via spool 300 and valve seat 400 flows out from exporting 150.That is to say that the gap between spool 300 and the valve seat 400 forms the fluid passage.As shown in Figure 1, when spool 300 moved up, 302 the bottom and the open upper end place of outlet passage 401 had the gap between the valve head 303 and outlet passage 401 of spool 300, in the middle part of the spool, thereby had formed the passage that allows fluid to pass through.Through the gap between regulating spool 300 and the valve seat 400, can regulate the opening degree (abbreviation aperture) of reduction valve.
As preferred embodiment, the surface of contact (or sealing surface) between valve seat 400 and the spool 300 forms and cooperates, and when spool 300 moves down when contacting with valve seat 400, can make reduction valve start from closed condition.We can say that also the open upper end of spool 300 and outlet passage 401 forms and cooperates,, reduction valve cuts out when spool 300 moves down when contacting with valve seat 400.
As preferred embodiment, spool 300 with carry out the cooperating of open upper end of outlet passage 401 through dome and recessed circle.For example, the open upper end of outlet passage 401 has dome, and spool 300 valve heads 303 form recessed circle with 302 places of combining, spool middle part.Sealing surface on valve seat 400 is that radius is the dome of R, and the sealing surface on spool 300 is the recessed circle of same radius R.When valve closing, spool 300 closely contacts with the sealing surface of valve seat 400, reaches airtight effect (as shown in Figure 1).Like this, valve seat 400 has identical diameter R with spool 300 surface of contact.We can say that also spool 300 has identical diameter R with the open upper end surface of contact of outlet passage 401.
As preferred implementation, the combine diameter d 1 of valve head root diameter (RD) D and outlet passage 401 at place of valve head 303 and spool middle part 302 is identical.Like this, valve head root open upper end surface of contact easier and outlet passage 401 forms better fit.For example the open upper end of valve head root and outlet passage 401 forms the chamfering that cooperatively interacts or cooperating, rounded.In this case, valve head 303 can basically all extend in the outlet passage 401.
Structure of relief pressure valve of the present invention is simple, is easy to safeguard, goes for HTHP difference material decompression control system, is particularly useful for the material decompression control system of HTHP difference high solids.
Main purpose of the present invention is to be, a kind of pressure of control system and reduction valve that liquid level is adjusted of can reducing pressure to the material of HTHP difference high solids is provided.Its function can reduce pressure material and gets into follow-up separating technology, can carry out suitable flow control again, keeps the pressure of reaction system.What is more important prevents the harsh erosive wear that the feasible cavitation erosion of the flow at high speed of MEDIA FLOW under big pressure reduction of high solids forms material.
In a kind of preferred implementation, high-temperature high-pressure difference pressure-reducing valve design of the present invention as follows.
A kind of high-temperature high-pressure difference pressure-reducing valve; Comprise valve body, valve seat, be within this valve seat and the spool that can move up and down within it; This spool is fixedly connected with valve rod with pin through screw thread, and valve rod is positioned at valve inner, with stuffing box packing and Gland and extraneous sealing; And can move up and down, the valve seat bottom be provided with lining and with outside flange connecting.
Medium (or fluid) gets into valve pocket from side direction, and the passage that constitutes via spool and valve seat flows out from outlet.Valve body is to have contained spool, valve seat and valve pocket, and valve pocket can cushion the high-pressure medium stream from the side direction inlet ductwork.Valve rod is connected with the spool folder through screw thread, locks with pin then.Filler guarantees that valve rod drives spool and in valve seat orifice, moves up and down; Valve seat is installed on the valve body, and periphery seals with seal ring, because of the action of pressure up and down of valve seat; Valve seat can not separated with valve body, and the MEDIA FLOW mistake of part step-down is accomplished in the gap of adjustment spool and valve seat.
As preferred implementation, spool is taper, and the angle of taper is 2 °～15 °, and the best is 3 °～8 °.One of spool is that screw thread is connected with valve rod, and with valve rod and spool locking, valve core material is that carbide surface carries out cure process again through taper pin, and spool is removed fixing pin conveniently replaced spool after using one period cycle wear condition to occur.
As preferred implementation, the suction side of valve body is provided with and prevents that solid particle from washing away the lining of valve body wearing and tearing, and the material of lining can be used cemented carbide.
As preferred implementation, valve seat is identical diameter R with the spool surface of contact, and the channel diameter d1 of valve seat is identical with spool root diameter (RD) D.Be the cavitation erosion that prevents to produce under the HTHP difference in the medium, the passage length of valve seat is 3～8d1, and the best is 4～6d1.For avoiding the unexpected hole enlargement of back material inlet passage of reducing pressure, speed descends rapidly, behind the straight section passage, connects a β hole enlargement mouth simultaneously, and the β angle is 15～45, and best angle is 28～34.
Another aspect of the present invention relates to a kind of fluid delivery system, comprises reduction valve of the present invention.
Another aspect of the present invention relates to reduction valve of the present invention is used for fluid pressure in fluid delivery system purposes.
Fluid delivery system can be the High Pressure Difference fluid delivery system, preferred HTHP difference fluid delivery system, more preferably HTHP difference high solids fluid delivery system.For example, fluid delivery system is the coal slurry transporting system, coal slurry transporting system in the especially DCL/Direct coal liquefaction technology.Especially, fluid delivery system can be the coal slurry transporting system of high-temperature high-pressure separator to medium temperature and medium pressure separator in the DCL/Direct coal liquefaction technology.
The front and back pressure reduction maximum of reduction valve of the present invention can up to 10MPa, preferably up to 16MPa, more preferably up to 18MPa, most preferably up to 19MPa.
The solid content of fluid (or medium) can be for by weight smaller or equal to 30%, preferably smaller or equal to 28%, is more preferably less than and equals 15%, most preferably smaller or equal to 10%.Fluid (or medium) also can not contain solid.
Effect of the present invention is: High Pressure Difference structure of relief pressure valve of the present invention is simple, the front and back pressure reduction of valve reaches as high as 19MPa.Adopt high-temperature high-pressure difference pressure-reducing valve of the present invention, can the pressure of 20MPa be reduced to 1MPa, medium can be that weight percentage contains 30% solid decompression, and can effectively prolong the working life of reduction valve.
High-temperature high-pressure difference pressure-reducing valve of the present invention has the following advantages:
1. simple in structure;
2. when the setting of valve base channel length is longer, the wearing and tearing of can avoiding cavitating to runner;
3. when being set to the passage of a suitable angle in valve seat to the runner of outlet, avoid rapid change the washing away of speed to pipeline.
4. the runner that the medium that reduces pressure passes through is lined with wear-resisting sleeve pipe, reduces the erosive wear of fluid to valve body, increases the service life.
When spool and valve rod through removably being fixedly connected or when combining (for example, being connected with pin) through screw thread, after the spool wearing and tearing removable after replacing.
In the present invention, D score or " bottom " are meant the fluid output direction, and top is meant the direction opposite with fluid output.
In the present invention, under the situation of not contradiction or conflict, all embodiments of the present invention, mode of execution and characteristic can make up each other.
Embodiment
Embodiment 1
In DCL/Direct coal liquefaction technology, the coal slurry behind reactor reaction is delivered to high-temperature high-pressure separator, and medium temperature is 450 ℃, pressure 19MPa.Through reduction valve its pressure is depressurized to 3MPa and gets into the medium temperature and medium pressure separator.The flow of coal slurry is 360L/h, and it is stable that the liquid level of system requirements high-temperature high-pressure separator keeps.
Valve rod drives the spool be attached thereto together to moving up and down; The aperture of spool is controlled at 25%-40%; The gap of adjustment spool and valve seat; Being about to that the coal slurry flow is adjusted into is 300～400L/h, has guaranteed that high-temperature high-pressure separator has a metastable liquid level, has realized that simultaneously decompression reduces to 3MPa with pressure.
Embodiment 2
In DCL/Direct coal liquefaction technology, the coal slurry behind reactor reaction is delivered to high-temperature high-pressure separator, and medium temperature is 450 ℃, pressure 19MPa.Through reduction valve its pressure is depressurized to 1MPa and gets into storage tank.The flow of coal slurry is 400L/h, and it is stable that the liquid level of system requirements high-temperature high-pressure separator keeps.
Valve rod drives the spool be attached thereto together to moving up and down; The aperture of spool is controlled at 25%-30%; The gap of adjustment spool and valve seat; Being about to that the coal slurry flow is adjusted into is 380～420L/h, has guaranteed that high-temperature high-pressure separator has a metastable liquid level, has realized that simultaneously decompression reduces to 1MPa with pressure.
Certainly, the present invention also can have other embodiments, and the above is merely preferred implementation of the present invention, is not to be used for limiting protection scope of the present invention; Under the situation that does not deviate from spirit of the present invention, those of ordinary skills are every to make various corresponding variations and modification according to content of the present invention, all belongs to the protection domain of claim of the present invention.
The drawing reference numeral explanation
100 valve bodies
102 Glands, 103 low temperature fillers
104 glands, 107 high temperature fillers
108 stuffing boxes, 109 import guide pin bushings
114 import linings, 115 sealing gaskets
116 connecting bolts, 117 pins
120 body cavities
130 side direction imports
140 valve pockets, 142 valve pocket openings
150 lower exits
200 valve rods
300 spools
301 spool joints, 302 spools middle part
303 valve heads
400 valve seats
401 outlet passages, 402 outlet taper hole enlargement mouths
412 valve seat inserts
501 pneumatic actuator connecting bodys
H outlet passage length h valve head length
The angle of the angle β taper hole enlargement mouth of α valve head taper
The a importer is to the b Way out
Claims (25)
1. reduction valve comprises:
Valve body (100) has side direction import (130) and lower exit (150);
Valve pocket (140), wherein, said side direction import (130), said valve pocket (140) and outlet passage (401) form the fluid passage;
Valve rod (200) extends in said valve body (100) and can move along the longitudinal axis of said valve rod (200); Said valve rod (200) has first end and second end;
Spool (300), said spool (300) has:
Spool joint (301) is positioned at the upper end of said spool (300), is fixedly connected with first end of said valve rod (200),
Spool middle part (302),
Valve head (303) is positioned at the lower end of said spool (300);
Wherein, the diameter D1 at said spool middle part (302) is greater than the diameter d 1 of said outlet passage (401);
Wherein, at least a portion of said valve head (303) can be contained in the said outlet passage (401) and can move along the longitudinal axis of said outlet passage (401);
Wherein, said outlet passage (401) is the straight section outlet passage;
Wherein, the length H of said outlet passage (401) is 3 ~ 8 times of diameter d 1 of said outlet passage (401).
2. reduction valve according to claim 1, wherein, the lower diameter of said valve head (303) is less than upper diameter.
3. reduction valve according to claim 1, wherein, said valve head (303) is taper or the spindle of lower diameter less than upper diameter.
4. reduction valve according to claim 3, wherein, the angle of the taper of said valve head (303) is 2 ° ~ 15 °.
5. reduction valve according to claim 3, wherein, the angle of the taper of said valve head (303) is 3 ° ~ 10 °.
6. reduction valve according to claim 3, wherein, the angle of the taper of said valve head (303) is 3 ° ~ 8 °.
7. according to each described reduction valve of claim 1 to 6, wherein, the combine diameter d 1 of valve head root diameter (RD) D and said outlet passage (401) at place of said valve head (303) and said spool middle part (302) is identical.
8. according to each described reduction valve of claim 1 to 6, wherein, the length H of said outlet passage (401) is 4 ~ 6 times of diameter d 1 of said outlet passage (401).
9. according to each described reduction valve of claim 1 to 6, wherein, said spool joint (301) removably is fixedly connected with first end of said valve rod (200).
10. reduction valve according to claim 9, wherein, said spool joint (301) is fixedly connected through screw thread and/or pin with first end of said valve rod (200).
11. according to each described reduction valve of claim 1 to 6, wherein, said reduction valve further comprises:
Outlet taper hole enlargement mouth (402), be positioned at that said lower exit (150) is located and with said outlet passage (401) fluid communication.
12. reduction valve according to claim 11, wherein, the angle β of said taper hole enlargement mouth (402) is 15 ° ~ 45 °.
13. reduction valve according to claim 11, wherein, the angle β of said taper hole enlargement mouth (402) is 20 ° ~ 40 °.
14. reduction valve according to claim 11, wherein, the angle β of said taper hole enlargement mouth (402) is 25 ° ~ 42 °.
15. reduction valve according to claim 11, wherein, the angle β of said taper hole enlargement mouth (402) is 28 ° ~ 34 °.
16. according to each described reduction valve of claim 1 to 6, wherein, said valve rod (200), said spool (300) and said outlet passage (401) are coaxial.
17., wherein, when said spool (300) contacts with the open upper end of said outlet passage (401), form cooperation according to each described reduction valve of claim 1 to 6.
18. reduction valve according to claim 17, wherein, said cooperation is carried out through dome and the recessed circle with same radius R.
19. according to each described reduction valve of claim 1 to 6, wherein, said side direction import (130) is provided with the lining of being processed by anti-abrasive material.
20. in fluid delivery system, be used for the purposes of fluid pressure according to each described reduction valve of claim 1 to 19.
21. purposes according to claim 20, wherein, said fluid contains solid.
22. purposes according to claim 20, wherein, said fluid delivery system is the High Pressure Difference fluid delivery system.
23. purposes according to claim 20, wherein, said fluid delivery system is the transporting system of HTHP difference high solids fluid.
24. purposes according to claim 20, wherein, said fluid delivery system is the coal slurry transporting system.
25. a fluid delivery system comprises according to each described reduction valve of claim 1 to 19.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010552610 CN102011882B (en) | 2010-11-19 | 2010-11-19 | Pressure reducing valve and use thereof as well as fluid conveying system |
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| CN 201010552610 CN102011882B (en) | 2010-11-19 | 2010-11-19 | Pressure reducing valve and use thereof as well as fluid conveying system |
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| CN102011882B true CN102011882B (en) | 2012-09-05 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102865392B (en) * | 2012-10-10 | 2014-08-06 | 江苏亿阀集团有限公司 | Flow control valve |
| CN104676024A (en) * | 2015-03-23 | 2015-06-03 | 青岛恒基泰机电科技有限公司 | High-pressure-difference adjusting valve as well as use method thereof and pressure adjusting system |
| CN107606256A (en) * | 2017-11-03 | 2018-01-19 | 黄传芳 | A kind of pressure-reducing valve |
| CN108583952A (en) * | 2018-07-09 | 2018-09-28 | 江苏星A包装机械集团有限公司 | Valve nozzle structure for auto-filling |
| CN113294533A (en) * | 2021-06-18 | 2021-08-24 | 衢州市智能制造技术与装备研究院 | Pressure reducing valve |
| CN113309489A (en) * | 2021-07-06 | 2021-08-27 | 成都百胜野牛科技有限公司 | Self-adaptive turn-off structure of intelligent flow regulator of natural gas well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1288028A (en) * | 1970-10-06 | 1972-09-06 | ||
| CN1543543A (en) * | 2001-08-17 | 2004-11-03 | ��ϣ�����ƹ��ʹ�˾ | Fluid control valve with low pressure drop ratio factor |
| CN101506558A (en) * | 2006-09-13 | 2009-08-12 | 费希尔控制产品国际有限公司 | Replaceable outlet liner for control valve |
| CN201351763Y (en) * | 2009-02-23 | 2009-11-25 | 神华集团有限责任公司 | High pressure drop reducing valve |
| CN201925498U (en) * | 2010-11-19 | 2011-08-10 | 神华集团有限责任公司 | Reducing valve and fluid transmission system |
-
2010
- 2010-11-19 CN CN 201010552610 patent/CN102011882B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1288028A (en) * | 1970-10-06 | 1972-09-06 | ||
| CN1543543A (en) * | 2001-08-17 | 2004-11-03 | ��ϣ�����ƹ��ʹ�˾ | Fluid control valve with low pressure drop ratio factor |
| CN101506558A (en) * | 2006-09-13 | 2009-08-12 | 费希尔控制产品国际有限公司 | Replaceable outlet liner for control valve |
| CN201351763Y (en) * | 2009-02-23 | 2009-11-25 | 神华集团有限责任公司 | High pressure drop reducing valve |
| CN201925498U (en) * | 2010-11-19 | 2011-08-10 | 神华集团有限责任公司 | Reducing valve and fluid transmission system |
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| CN102011882A (en) | 2011-04-13 |
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