CN201351763Y - High pressure drop reducing valve - Google Patents
High pressure drop reducing valve Download PDFInfo
- Publication number
- CN201351763Y CN201351763Y CNU2009201058678U CN200920105867U CN201351763Y CN 201351763 Y CN201351763 Y CN 201351763Y CN U2009201058678 U CNU2009201058678 U CN U2009201058678U CN 200920105867 U CN200920105867 U CN 200920105867U CN 201351763 Y CN201351763 Y CN 201351763Y
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- valve
- spool
- high pressure
- pressure difference
- difference reduction
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Abstract
The utility model discloses a high pressure drop reducing valve, which comprises a valve body, a valve seat, a valve seat body, a valve core, a valve core clamp, a valve rod and an throttle orifice. The valve rod is fixed with the valve core through threads and a pin, and can drive the valve core to move up and down in the valve seat; the valve core has a tapered structure with a gradually decreased diameter and is provided with an inclined plane inosculated with the valve core clamp; and the lower part of the valve seat is provided with a sleeve and the throttle orifice. The high pressure drop reducing valve has simple structure; the valve core can be conveniently dismantled and replaced after being worn; and the high pressure drop reducing valve can be used for conveying a medium containing solid particles and has an excellent service performance and a longer service life.
Description
Technical field
The utility model relates to a kind of High Pressure Difference reduction valve, more particularly, relates to a kind of reduction valve highly filled, the high pressure drop system that is used for.
Background technique
Reduction valve is a kind of pressure controlled valve.When the pressure of hydraulic system reached the setting value of valve, reduction valve was discharged part or all liquid, and inlet pressure is reduced to needed pressure, thereby realized making the pressure in the hydraulic system to remain on the following function of setting value.
From hydromechanical angle analysis, reduction valve is a throttle element that local resistance can change, promptly by changing orifice size, flow velocity and kinetic energy are changed, cause the different pressure losses, to 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.
CN 1239760A discloses a kind of reduction valve that is used for the high pressure drop device.It contains a seat ring, a cylinder and a piston, be provided with several sizes annular inner room suitable, that play balanced action around the upper and lower part of piston and at internal piston, solved the lateral pressure problem by these inner rooms, reduced the friction of cylinder and piston, in the design what less pressure drop total pressure drop is divided into, has overcome the vibration problem of high pressure drop device.This structure is applicable to cleaning medium, does not contain solid particle medium and be suitable for.
CN 2692432Y discloses a kind of multifunctional high-temperature high pressure valve.It is equipped with the taper decompressor at the valve inlet place, makes hydrodynamic pressure and speed consumption in the stirring that forms eddy current, fluid, collide and aspect such as heating mutually, reduces effectively that crucial trim is washed away, the cavitation erosion degree.But its taper decompressor is formed by on the hollow cone body throttle orifice being set, and throttle orifice is vertical with direction of flow, has the dead angle in pipeline, and this suits for the High Temperature High Pressure neat liquid, and is not suitable for containing the material of solid particle.
The model utility content
The purpose of this utility model is: a kind of High Pressure Difference reduction valve that is suitable for highly filled medium is provided.
High Pressure Difference reduction valve provided by the utility model comprises: valve body, valve seat, valve body, spool, spool folder, valve rod and restricting orifice; Described valve rod is fixed by screw thread and pin and spool, and can drive spool and move up and down in valve seat; Described spool is the cone structure that diameter diminishes gradually, and spool is provided with the inclined-plane that coincide with the spool folder; Described valve seat bottom is provided with lining and restricting orifice.
Compared with prior art, the utility model has following advantage:
1. reduction valve described in the utility model is applicable to the High Pressure Difference decompression operation, and can be used for carrying the medium that contains solid particle;
The Placement of the spool of reduction valve described in the utility model and valve rod guaranteed spool to moderate, make valve frangibility not under running state;
3. reduction valve described in the utility model is provided with restricting orifice between valve seat and outlet, overcome the defective that leaves the dead angle in the pipeline, plays the effect of easing stress of a part simultaneously, thereby has reduced spool, the suffered erosive wear degree of valve seat, can increase the service life;
4. structure of relief pressure valve described in the utility model is simple, can dismantle easily and change after the spool wearing and tearing.
Description of drawings
Fig. 1 represents the structural representation of a kind of preferred implementation of the present utility model;
The partial enlarged drawing of spool, valve rod Placement in Fig. 2 presentation graphs 1;
The partial enlarged drawing of spool in Fig. 3 presentation graphs 1;
The partial enlarged drawing of lens orifice plate in Fig. 4 presentation graphs 1.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing, but therefore the utility model is not subjected to any restriction.
As shown in Figure 1, this High Pressure Difference reduction valve comprises: valve body 15, valve seat 8, valve body 6, spool 10, spool folder 13, valve rod 14, lens orifice plate 5.Valve seat 8 and spool 10 are positioned at valve body 15 inside, and valve seat 8 is consistent with the center of spool 10, and valve seat 8 is fixed on the valve body 6, and valve seat 8 peripheries are with seal ring 9 sealings, and valve body 6 is with seal ring 7 sealings.
One side of valve seat 8 be provided with lens orifice plate 5, lining 2 and with outside flange connecting 4, bolt 3 and outlet body 1.Outlet body 1 forms material outlet, and lens orifice plate 5 is between valve seat 8 and material outlet.
Valve rod 14 is positioned at valve body 15 inside, and valve rod 14 is fixedlyed connected with pin 12 by screw thread with spool 10, and valve rod 14 is by the screw thread pressed spool 10 of spool folder 13, and valve rod 14 usefulness stuffing box packing groups 16 and gland 17 seal, and can move up and down, with bolt 18 stationary gland 17.
Be provided with in the valve body 15 and prevent that solid particle from washing away the lining 2 that causes valve body 15 wearing and tearing, the material of lining 2 can be selected this kind equipment cemented carbide commonly used for use, for example, and widia.
Valve body 15 has contained spool 10, valve seat 8, and constitutes a bigger buffering valve pocket, and valve pocket is in order to stable high-pressure medium stream from the side direction inlet ductwork.Because the action of pressure up and down of valve seat 8, valve seat 8 is installed on the valve body 6.By adjusting the gap control rate-of flow of spool 10 and valve seat 8, also medium is produced less pressure drop simultaneously.10 pairs of moderates of spool are adjusted on centering inclined-plane by spool folder 13, make spool 10 consistent with the center of valve seat 8 (referring to Fig. 2 and Fig. 3).
Guide sleeve 11 and stuffing box packing group 16 guarantee that valve rod 14 drives spool 10 and moves up and down in valve seat 8 holes.
The exterior design of lens orifice plate 5 is the German-style metal lensring pattern, but not only step-down but also can be used as the sealing that is connected of outlet and valve body 15.Lens orifice plate 5 contact material part materials are cemented carbide or adopt cemented carbide to carry out surface-treated stainless steel material or other similar material.The aperture of described lens orifice plate is 0.8-3.0mm, is preferably 0.9-2.8mm, more preferably 1.0-2.5mm.
This reduction valve is in when work, and the medium that contains solid particle enters valve pocket from the side direction import, behind the passage that constitutes through spool 10 and valve seat 8 and the lens orifice plate 5 of valve seat 8 bottoms, flows out from the outlet end of the outlet body 1 of valve.
Describe a kind of working procedure of reduction valve provided by the utility model in detail below by embodiment, but this embodiment should be interpreted as to any restriction of the present utility model.
Embodiment
The reacted heavier feeds of DCL/Direct coal liquefaction (containing unconverted coal, coal mineral, catalyzer and solvent naphtha), its solid content is the medium of 15wt%, enter high-pressure separator, it is stable that liquid level in the technological requirement high-pressure separator keeps, pressure in the separator maintains about 20Mpa, pressure behind the separator is about 2.0MPa, so that the operation of the operation of technology and flow process.
In the DCL/Direct coal liquefaction technological process, adopted High Pressure Difference reduction valve provided by the utility model.Make reaction medium flow into high-pressure bottle, high-pressure bottle is by the discharge of fluid level controller control media, the medium of discharging enters the inlet passage of High Pressure Difference reduction valve, poppet stem, the spool that drive and valve rod link together moves along the axial direction of this reduction valve, make between spool and the valve seat and form the fluid passage, flow through of the gap length adjustment of the Fluid Volume of passage by spool and valve base chamber.The aperture of described reduction valve spool generally is controlled between 80%-20%, thereby will flow through the medium of this reduction valve, and promptly the flow of coal slurry is adjusted into 300-400L/h.Enter the amount of high-pressure separator when consistent, guaranteed that high-temperature high-pressure separator has a metastable liquid level, keep the aperture of spool,, reach the purpose of decompression operation according to the aperture of the fluctuation fine setting spool of technology with the amount of leaving high-pressure separator.
Through evidence, be applied under the high temperature high solid content High Pressure Difference state, to compare with existing reduction valve, reduction valve provided by the utility model has good usability, maintains easily dismounting; 20～60 hours working life of existing reduction valve, and the working life of reduction valve provided by the utility model was at 800～1200 hours.
Claims (10)
1. a High Pressure Difference reduction valve is characterized in that, described High Pressure Difference reduction valve comprises: valve body, valve seat, valve body, spool, spool folder, valve rod and restricting orifice; Described valve rod is fixed by screw thread and pin and spool, and can drive spool and move up and down in valve seat; Described spool is the cone structure that diameter diminishes gradually, and spool is provided with the inclined-plane that coincide with the spool folder; Described valve seat bottom is provided with lining and restricting orifice.
2. High Pressure Difference reduction valve according to claim 1 is characterized in that, the formed angle α of elongation line of two hypotenuses (10a and 10b) of described spool is 2 °-15 °.
3. High Pressure Difference reduction valve according to claim 2 is characterized in that, described angle α is 3 °-8 °.
4. High Pressure Difference reduction valve according to claim 3 is characterized in that, the formed angle β of reverse extending line of two other hypotenuse of described spool (13a and 13b) is 10 °-20 °.
5. High Pressure Difference reduction valve according to claim 4 is characterized in that, described angle β is 13 °-17 °.
6. High Pressure Difference reduction valve according to claim 5 is characterized in that described valve seat is fixed on the valve body, and the valve seat periphery seals with seal ring; Be provided with in the described valve body and prevent that solid particle from washing away the cemented carbide lining that causes the valve body wearing and tearing.
7. according to claim 1 or 6 described High Pressure Difference reduction valve, it is characterized in that described restricting orifice is the lens orifice plate, and the aperture of described lens orifice plate is 0.8-3.0mm.
8. High Pressure Difference reduction valve according to claim 7 is characterized in that, the exterior design of described lens orifice plate is the German-style metal lensring pattern, and the material of described lens orifice plate contactant stream part is cemented carbide or the stainless steel material handled through carbide surface.
9. High Pressure Difference reduction valve according to claim 8 is characterized in that, described High Pressure Difference reduction valve by the centering inclined-plane of spool folder adjust spool to moderate, make spool consistent with the center of valve seat.
10. High Pressure Difference reduction valve according to claim 9 is characterized in that, described High Pressure Difference reduction valve also comprises guide sleeve, stuffing box packing group and gland, to guarantee that valve rod drives spool and moves up and down in valve seat orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058678U CN201351763Y (en) | 2009-02-23 | 2009-02-23 | High pressure drop reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058678U CN201351763Y (en) | 2009-02-23 | 2009-02-23 | High pressure drop reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351763Y true CN201351763Y (en) | 2009-11-25 |
Family
ID=41375150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201058678U Expired - Lifetime CN201351763Y (en) | 2009-02-23 | 2009-02-23 | High pressure drop reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201351763Y (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749483A (en) * | 2010-02-10 | 2010-06-23 | 中山市美图塑料工业有限公司 | Simple adjustable pressure-reducing valve |
| CN102011882A (en) * | 2010-11-19 | 2011-04-13 | 神华集团有限责任公司 | Pressure reducing valve and use thereof as well as fluid conveying system |
| CN102278505A (en) * | 2011-07-18 | 2011-12-14 | 张翼鹏 | Flow regulating proportional valve with flushing function |
| RU2495315C2 (en) * | 2010-07-29 | 2013-10-10 | Российская Федерация, от имени которой выступает государственный заказчик - Государственная корпорация по атомной энергии "Росатом" | Adjustment device |
| CN104482233A (en) * | 2014-11-06 | 2015-04-01 | 中国科学院工程热物理研究所 | Profile design method of valve plug of conical throttle valve with controlled pressure differential characteristics |
| 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 |
| US10208255B2 (en) | 2016-11-21 | 2019-02-19 | Beijin Huashi United Energy Technology and Development | Method for producing light oil through liquefying biomass |
| US10260004B2 (en) | 2016-11-21 | 2019-04-16 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Method for direct liquefaction of biomass |
| US10280370B2 (en) | 2016-11-21 | 2019-05-07 | Beijing Huashi United Energy Technology and Development Co., Ltd | One-pot liquefaction process for biomass |
| US10287506B2 (en) | 2016-11-21 | 2019-05-14 | Beijing Huashi United Energy Technology and Development Co., Ltd | Biomass liquefaction process, and fuel oils and chemical materials prepared by the same |
| US10369553B2 (en) | 2016-07-22 | 2019-08-06 | Beijing Huashi United Energy Technology And .Development Co., Ltd | Suspended-bed hydrogenation catalyst and regeneration method therefor |
| US10370608B2 (en) | 2017-04-12 | 2019-08-06 | Beijing Huashi United Energy Technology And .Development Co., Ltd. | Desulfurization process using a combination of a suspension bed and a fixed bed |
| US10449489B2 (en) | 2017-04-12 | 2019-10-22 | Beijing Huashi United Energy Technology And Development Co. Ltd | High efficient desulfurization-regeneration system using a suspension bed |
| US10449491B2 (en) | 2017-04-12 | 2019-10-22 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Integrated system for wet desulfurization using a suspension bed and regeneration |
| US10464011B2 (en) | 2017-04-12 | 2019-11-05 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Renewable wet desulfurization process using a suspension bed |
| US10525431B2 (en) | 2016-10-17 | 2020-01-07 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Cold-wall reactor for suspension-bed hydrogenation |
| US10703978B2 (en) | 2016-11-21 | 2020-07-07 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Composition for biomass oil, and preparation method and use thereof |
| US10744451B2 (en) | 2017-04-12 | 2020-08-18 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Wet desulfurization process using a suspension bed |
| US10876056B2 (en) | 2016-12-30 | 2020-12-29 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Process and device for hydrogenation of heavy oil using a suspension-bed |
| US10889770B2 (en) | 2016-12-30 | 2021-01-12 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Method and device for lightening heavy oil by utilizing a suspension-bed hydrogenation process |
-
2009
- 2009-02-23 CN CNU2009201058678U patent/CN201351763Y/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749483A (en) * | 2010-02-10 | 2010-06-23 | 中山市美图塑料工业有限公司 | Simple adjustable pressure-reducing valve |
| RU2495315C2 (en) * | 2010-07-29 | 2013-10-10 | Российская Федерация, от имени которой выступает государственный заказчик - Государственная корпорация по атомной энергии "Росатом" | Adjustment device |
| CN102011882A (en) * | 2010-11-19 | 2011-04-13 | 神华集团有限责任公司 | Pressure reducing valve and use thereof as well as fluid conveying system |
| CN102011882B (en) * | 2010-11-19 | 2012-09-05 | 神华集团有限责任公司 | Pressure reducing valve and use thereof as well as fluid conveying system |
| CN102278505A (en) * | 2011-07-18 | 2011-12-14 | 张翼鹏 | Flow regulating proportional valve with flushing function |
| CN102278505B (en) * | 2011-07-18 | 2013-04-24 | 张翼鹏 | Flow regulating proportional valve with flushing function |
| CN104482233A (en) * | 2014-11-06 | 2015-04-01 | 中国科学院工程热物理研究所 | Profile design method of valve plug of conical throttle valve with controlled pressure differential characteristics |
| 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 |
| US10369553B2 (en) | 2016-07-22 | 2019-08-06 | Beijing Huashi United Energy Technology And .Development Co., Ltd | Suspended-bed hydrogenation catalyst and regeneration method therefor |
| US10525431B2 (en) | 2016-10-17 | 2020-01-07 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Cold-wall reactor for suspension-bed hydrogenation |
| US10260004B2 (en) | 2016-11-21 | 2019-04-16 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Method for direct liquefaction of biomass |
| US10280370B2 (en) | 2016-11-21 | 2019-05-07 | Beijing Huashi United Energy Technology and Development Co., Ltd | One-pot liquefaction process for biomass |
| US10287506B2 (en) | 2016-11-21 | 2019-05-14 | Beijing Huashi United Energy Technology and Development Co., Ltd | Biomass liquefaction process, and fuel oils and chemical materials prepared by the same |
| US10208255B2 (en) | 2016-11-21 | 2019-02-19 | Beijin Huashi United Energy Technology and Development | Method for producing light oil through liquefying biomass |
| US10703978B2 (en) | 2016-11-21 | 2020-07-07 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Composition for biomass oil, and preparation method and use thereof |
| US10876056B2 (en) | 2016-12-30 | 2020-12-29 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Process and device for hydrogenation of heavy oil using a suspension-bed |
| US10889770B2 (en) | 2016-12-30 | 2021-01-12 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Method and device for lightening heavy oil by utilizing a suspension-bed hydrogenation process |
| US10370608B2 (en) | 2017-04-12 | 2019-08-06 | Beijing Huashi United Energy Technology And .Development Co., Ltd. | Desulfurization process using a combination of a suspension bed and a fixed bed |
| US10449489B2 (en) | 2017-04-12 | 2019-10-22 | Beijing Huashi United Energy Technology And Development Co. Ltd | High efficient desulfurization-regeneration system using a suspension bed |
| US10449491B2 (en) | 2017-04-12 | 2019-10-22 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Integrated system for wet desulfurization using a suspension bed and regeneration |
| US10464011B2 (en) | 2017-04-12 | 2019-11-05 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Renewable wet desulfurization process using a suspension bed |
| US10744451B2 (en) | 2017-04-12 | 2020-08-18 | Beijing Huashi United Energy Technology And Development Co., Ltd. | Wet desulfurization process using a suspension bed |
| CN107606256A (en) * | 2017-11-03 | 2018-01-19 | 黄传芳 | A kind of pressure-reducing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091125 |
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| CX01 | Expiry of patent term |