CN202209428U - Unit for valve and valve employing same - Google Patents

Unit for valve and valve employing same Download PDF

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Publication number
CN202209428U
CN202209428U CN2011202480240U CN201120248024U CN202209428U CN 202209428 U CN202209428 U CN 202209428U CN 2011202480240 U CN2011202480240 U CN 2011202480240U CN 201120248024 U CN201120248024 U CN 201120248024U CN 202209428 U CN202209428 U CN 202209428U
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CN
China
Prior art keywords
valve
unit
hole
induction element
valve seat
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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.)
Expired - Lifetime
Application number
CN2011202480240U
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Chinese (zh)
Inventor
孙志民
陈征宇
高淳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Emerson Process Management Tianjin Valves Co Ltd
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Emerson Process Management Tianjin Valves Co Ltd
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Priority to CN2011202480240U priority Critical patent/CN202209428U/en
Application granted granted Critical
Publication of CN202209428U publication Critical patent/CN202209428U/en
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Abstract

The disclosure relates to a unit for a valve and a valve employing same. The valve comprises a body portion with an inlet and an outlet, a valve seat defining an opening between the inlet and outlet, a guiding component installed in the body portion and comprising a cylindrical wall for defining a hole with an axis, a valve piston assembly including a valve piston which is slidable along the axial direction in the hole of the guiding component so as to be jointed with or detached from the valve seat, and the unit arranged between the inlet and the outlet and comprising a porous material which comprises first holes at least partially connected so as to form second channels extending and penetrating through the unit and allowing fluid passing through the valve.

Description

The valve that is used for the unit of valve and comprises this unit
Technical field
The utility model relates generally to valve, particularly comprises the valve of noise reduction unit and the noise reduction unit that is used for valve.
Background technique
In fluid flow control valve, require to reduce fluid usually and flow through the noise that this valve produced.A kind of conventional method that is used to alleviate noise comprises uses sound-absorbing material parcel valve body and downstream line.This method has alleviated noise to a certain extent, but owing to need manpower that sound-absorbing material is installed, and this method is normally inconvenient.The method that another kind is used to alleviate noise be included in the valve body configuration valve cage element and in valve cage valve plug slidably, the cornice of this valve cage element has groove or hole.This method provides comparatively satisfied effect.Yet also need reduce noise further.Because groove thinner (perhaps Kong Yuexiao) noise rank is low more, therefore need on the wall of valve cage, obtain narrower groove or littler hole.Yet this can increase the cost of making and safeguarding.
The model utility content
On the one hand, an embodiment of the present disclosure provides a kind of valve, and said valve comprises body, and said body has entrance and exit; Valve seat, said valve seat limits opening between said inlet and said outlet; Induction element, said induction element are installed in the said body and comprise the cylindrical wall of limiting hole, and said hole has axis; Cypriot valve components, said cypriot valve components comprises valve plug, said valve plug is axially slidably in the said hole of said induction element, thereby engages or leave said valve seat; And unit; Said unit is between said inlet and said outlet and comprise porous material; Said porous material comprises more than first hole; At least the part in said more than first hole is to connect mutually, thereby forms more than second passage, and said more than second passage extends through said unit and allow fluid through said valve.
On the other hand, an embodiment of the present disclosure provides a kind of unit that is used for valve, and said valve comprises body, and said body has entrance and exit; Valve seat, said valve seat limits opening between said inlet and said outlet; Induction element, said induction element are installed in the said body and comprise the cylindrical wall of limiting hole, and said hole has axis; And cypriot valve components, said cypriot valve components comprises valve plug, said valve plug is axially slidably in the said hole of said induction element, thereby engages or leave said valve seat.Said unit is between said inlet and said outlet and comprise porous material; Said porous material comprises more than first hole; At least the part in said more than first hole is to connect mutually; Thereby form more than second passage, said more than second passage extends through said unit and allows fluid through said valve.
In an example, said unit comprises the cylindrical wall of limiting hole, and the diameter in the said hole of said unit is identical with the diameter in the said hole of said induction element, and said unit is fixed between said induction element and the said valve seat coaxially.
The model utility content of above-mentioned the utility model is not intended to describe each disclosed embodiment or each implementation of the utility model.Below detailed description and drawings more specifically example the exemplary embodiment of the utility model.
Description of drawings
The preferred embodiment of the utility model will only more specifically be described through example with reference to following accompanying drawing hereinafter:
Fig. 1 shows the cross sectional view according to an embodiment of valve of the present disclosure,
Fig. 2 shows the stereogram of the unit of the valve that can be used for Fig. 1,
Fig. 3 shows the cross sectional view according to an alternative embodiment of valve of the present disclosure,
Fig. 4 shows the stereogram of the unit of the valve that can be used for Fig. 3,
Fig. 5 shows the view that is similar to Fig. 3, and wherein the mounting type of unit is different,
Fig. 6 shows the view that is similar to Fig. 3, has wherein used two unit,
Fig. 7 shows the cross sectional view according to another alternative embodiment of valve of the present disclosure,
Fig. 8 shows the cross sectional view according to another alternative embodiment of valve of the present disclosure,
Fig. 9 shows the stereogram of the unit of the valve that can be used for Fig. 8,
In each above-mentioned accompanying drawing, similar reference character should be understood that to represent identical, similar or corresponding feature or function.
Embodiment
In the specific descriptions of following preferred embodiment, will be with reference to the appended accompanying drawing that constitutes the utility model part.Appended accompanying drawing shows the certain embodiments that can realize the utility model through the mode of example.The embodiment of example is not intended to limit all embodiments according to the utility model.Be appreciated that and under the prerequisite of the scope that does not depart from the utility model, can utilize other embodiments, also can carry out the modification of structural or logicality.Therefore, following specific descriptions are also nonrestrictive, and the scope of the utility model is limited appended claim.
In following specific descriptions, with reference to appended accompanying drawing.Accompanying drawing has constituted the part of the utility model, and the mode through example shows the certain embodiments that can implement the utility model in the accompanying drawings.In this regard, the term of directivity, for example " left side ", " right side " " top ", " bottom ", " preceding ", " back ", " guiding ", " forward ", " delaying " etc. are used with reference to the direction of describing in the accompanying drawing.Therefore the embodiment's of the utility model parts can be placed in multiple different direction, and the term of directivity is to be used for the purpose of example and nonrestrictive.Be appreciated that and under the prerequisite of the scope that does not depart from the utility model, can utilize other embodiments, also can carry out structural or the logicality modification.Therefore, following specific descriptions are also nonrestrictive, and the scope of the utility model is limited appended claim.
With reference to Fig. 1, control valve by mark 10 indications, comprises the valve body 12 with inlet 14 and outlet 16.Valve seat 18, induction element 20, cypriot valve components 22, unit 26, and bonnet assembly 24.
Inlet 14 is communicated with outlet 16 fluids through valve seat 18 and unit 26.Valve seat 18 is placed in the depression 17 of valve body 12, and limits at inlet 14 and export the opening 19 between 16.Valve seat 18 is fixed in the depression 17 through induction element 20 and unit 26, thereby induction element 20 is fixed and can not be moved up through bonnet assembly 24 with unit 26.Valve body 12 is depicted as to have the end and couples flange 28 and 30, thereby can use other devices that this valve 10 is connected to pipeline or other equipment in the fluid system.
The lower end of valve plug 22 is equipped with inclined-plane 32, and this inclined-plane 32 is suitable for the sealing surface 34 of engage valve seat 18 hermetically.The lower end of valve rod 40 is threaded onto valve plug 22, and passes bonnet assembly 24, thereby the upper end of valve rod 40 can join the valve actuator (not shown) to.
Bonnet assembly 24 is fixed to valve body 12 through bolt 42, thereby induction element 20, unit 26 and valve seat 18 are fixed to valve body 12.As shown in Figure 1, between the surface of bonnet assembly 24 and induction element 20, adopt interlayer pad 44 with the sealing between providing.Bonnet assembly 24 has Seal cage 46, and wherein filler 50 is maintained between Packing spring 48 and the packing follower 52.Packing follower 52, filler 50 and Packing spring 48 fit between valve rod 40 and the bonnet assembly 24.In the lower end of Packing spring 48, packing ring 54 is equipped with, sealing flange 56 is equipped with on the top of packing follower 52.Sealing flange bolt 60 threadably is fixed to bonnet assembly 24, moves upward to limit it thereby bolt 60 engages sealing flange 56.
Specifically with reference to Fig. 2, unit 26 is depicted as has tubular structure, with the lower end radially inner annular stepped portion 36 and radially outer annular stepped portion 38 is arranged respectively in the top.In assembling; This radially inner annular stepped portion 36 and radially outer annular stepped portion 38 engage the annular stepped portion 62 and 64 of the correspondence on induction element 20 and the valve seat 18 respectively, thereby unit 26 is fixed in the plane of axis in the hole that is limited perpendicular to induction element 20.In an example, for ease of installing, the diameter in the hole of unit 26 is substantially equal to the diameter in the hole of induction element 20.In another example, the diameter in the hole of unit 26 is identical with the diameter in the hole of induction element 20, and unit 26 is fixed between induction element 20 and the valve seat 18 coaxially.Unit 26 comprises porous material, for example, and porous Al 2O 3Porous material comprises more than first hole, and the part at least in this more than first hole is to connect mutually, thereby forms more than second passage that extends through unit 26.
Still with reference to Fig. 1, valve 10 is depicted as and is positioned at semi-open position, and fluid arrives outlet 16 from the 14 mobile openings 19 through valve seat 18 that enter the mouth, unit 26, shown in flow arrow.Fluid is extended more than second passage that passes unit 26 and is divided into a plurality of threads, has consequently largely reduced noise.
Be to be understood that; The volume ratio of said more than first hole and unit 26, i.e. common alleged porosity ratio, and the hole and the volume ratio of unit 26 that form the mutual connection of more than second passage; Promptly common alleged effective drainage porosity can change according to the actual requirement to for example valve capacity.Because play in the hole that connects mutually fluid is flowed through the effect of unit 26, effective drainage porosity is big more, and valve capacity is just high more.In an example, the effective drainage porosity of unit 26 is not less than 50% to guarantee sufficiently high valve capacity.
It is also understood that unit 26 can use multiple raw material and method preparation.In an example, unit 26 uses copper powders as raw material, form porous copper through sintering technology, and its effective drainage porosity can change through changing sintering temperature, powder size etc.In another example, unit 26 adopts traditional stupalith.In another example, unit 26 forms porous glass through extraction.In another example, unit 26 uses titaniums as raw material, form titanium sponge through alleged " Kroll process ".Preferably, unit 26 comprises metal polyporous material, for example stainless steel, TiO 2, Al 2O 3And ZrO 2, the anticorrosive usually and wearing and tearing of metal polyporous material, thus make valve 10 under the operational condition of harshness, to use.
Need to prove that the shape in the hole of unit 26, size and/or Size Distribution can change according to actual needs.For example, use the unit 26 of plate-like particles manufacturing to have the geometrical shape of hole between plate, the unit 26 of powder compaction has intergranular hole geometrical shape.
Unit 26 can have narrow size distribution or wide size distribution.In an example, more than first hole of unit 26 is randomly dispersed in the scope 2-30 μ m.The hole of different size has different flow resistances.The result is that the transmittance of unit 26 changes along with operation pressure.Under lower pressure reduction, pressure reduction overcomes the flow resistance of wide or straight relatively passage and makes fluid pass through these passages; Under higher pressure reduction, pressure reduction further overcomes the flow resistance of narrow or crooked relatively passage and makes fluid pass through these passages.In other words, it is favourable adopting the valve 10 of unit 26 under requiring multiple operation pressure, can both alleviate in the occasion of noise.
Another advantage that unit 26 can be realized is that the impurity that is not easy to be comprised in the fluid stops up, because the size of these impurity is usually greater than the typical sizes (in tens micrometer ranges) in hole.These impurity may be attached to the outer rim in hole; Can pass through unit 26 with these Impurity removals through opposite direction (promptly from exporting 16 to inlet 14 directions) driving cleaning solution or purge gas, this makes that valve 10 of employing unit 26 is especially favourable in the application that requires to be convenient to safeguard.
An alternative embodiment of valve 10 is shown among Fig. 3, is referred to as valve 70.As shown in Figure 3, the wall of induction element 700 limits at least one window 702, allows fluid to flow through at valve plug 22 18 o'clock these windows of lifting off a seat, the flow path of fluid from enter the mouth 14 through unit 76 and this at least one window 702 to outlet 16.In an example, can adopt traditional valve cage as induction element 700.Unit 76 is fixed between valve seat 18 and the valve body 12.Know like Fig. 4 to illustrate that unit 76 comprises cap portion 761 and the outward extending neck portion 762 from the edge of cap portion 761.In operation, fluid is from the 14 mobile cap portion 761 arrival outlets 16 of passing through the opening 19 and the unit 76 of valve seat 18 qualifications that enter the mouth.More than second passage that fluid is extended through cap portion 761 is divided into a plurality of threads, consequently reduced noise.
In the structure shown in Fig. 3, characteristics such as induction element or valve cage 700 can be configured to control flow rate and flow characteristic is for example opened soon, equal percentage, linearity, and unit 76 can be configured to the reducing noise grade.
Should be noted that unit 76 is not limited to the mounting type of Fig. 3.Fig. 5 shows another kind of mounting type, and wherein unit 76 is squeezed installation.Also can adopt two unit 76, the mounting type of neck portion 762 butt joints of these two unit 76, as shown in Figure 6.
In addition, unit 76 can all use the porous material manufacturing or use porous material to combine with dense material to make.In an example, the cap portion 761 that fluid flows through uses the porous material manufacturing, is used to install the neck portion 762 use dense material manufacturings of purpose.In another example, the porous material manufacturing is adopted in the part area of cap portion 761, and the dense material manufacturing is adopted in other part areas.The ratio in porous material zone and dense material zone can be configured to satisfy simultaneously the bulk strength of higher valve capacity and unit 76.In addition, according to the noise reduction demand of reality, unit 76 can use individual layer (perhaps single-stage) or multilayer (perhaps multistage) porous material.
Should be noted that also unit 76 can have various structure.As shown in Figure 7, the unit 86 that can be used for valve 80 comprises the dish that porous material is processed, and is fixed between valve seat 18 and the valve body 12.The wall of induction element 700 also limits at least one window 702, thus the flow path of fluid from enter the mouth 14 through unit 86 and this at least one window 702 to outlet 16.
Another alternate embodiment of valve 10 is illustrated among Fig. 8, is referred to as valve 90.As shown in Figure 8, unit 96 is fixed between valve seat 18 and the valve body 12.Know like Fig. 9 to illustrate that unit 96 comprises more than the 3rd pipe 102.Each pipe 102 has closed end 106 and passes dunnage 108 and fixing opening end 104; Dunnage 108 is fixed between valve seat 18 and the body 12, thus the flow path of fluid from enter the mouth 14 through more than the 3rd pipes 102 and at least one window 702 to outlet 16.In operation, when valve plug 22 is lifted off a seat 18 the time, fluid from enter the mouth 104 flow the openings 109 that limit through valve seat 18, unit 96 a plurality of pipes 102, flow to outlet 16.A plurality of passages that fluid is extended through managing 102 tube wall are divided into a plurality of threads, have consequently reduced noise.
For fear of or alleviate pipe 102 vibrations in operation; More than the 4th strut 110 is provided; Be separately fixed on the dunnage 108 and be parallel to more than the 3rd and manage 102; And at least one steadying plate 112 that is fixed to more than the 4th strut 110, wherein this at least one steadying plate 112 has more than the 3rd through hole corresponding to more than the 3rd pipes 102.In the example that illustrates, two steadying plates 112 are fixed in more than the 4th strut 110, and wherein each steadying plate 112 has more than the 3rd through hole, corresponding to more than the 3rd pipes 102, and provide with corresponding pipe 102 between Spielpassung.In this way, managing 102 vibrations in operation is alleviated or is avoided.
The number that should be appreciated that pipe 102, strut 110 and steadying plate 112 only is exemplary, can realize that other numbers of pipe 102, strut 110 and the steadying plate 112 of noise reduction (and stable pipe) also are suitable for.
In the disclosure, unit 26,76,86,96 combines concrete valve to be described, and valve rod 40 is coupled to external actuator in this valve.Yet, should be understood that, can be used for the valve that any other is fit to, for example membrane valve according to embodiment's of the present disclosure unit.
The embodiment who should be appreciated that foregoing description only is used for describing and unrestricted the utility model, it will be understood by those skilled in the art that to make amendment and be out of shape the utility model, only otherwise depart from the spirit and the scope of the utility model.Above-mentioned modification and distortion are considered to the scope of the utility model and accompanying claims.The protection domain of the utility model is limited appended claim.In addition, any reference character in the claim should not be understood that the restriction to the utility model.Verb " comprises " and element or the step that other beyond the statement in the claim occur do not got rid of in its distortion.Indefinite article " " before element or step is not got rid of and a plurality of such elements or step are occurred.

Claims (12)

1. valve comprises:
Body, said body has entrance and exit,
Valve seat, said valve seat limits opening between said inlet and said outlet,
Induction element, said induction element are installed in the said body and comprise the cylindrical wall of limiting hole, and said hole has axis,
Cypriot valve components, said cypriot valve components comprises valve plug, said valve plug is axially slidably in the said hole of said induction element, thereby engages or leave said valve seat, and
The unit; Said unit is between said inlet and said outlet and comprise porous material; Said porous material comprises more than first hole; At least the part in said more than first hole is to connect mutually, thereby forms more than second passage, and said more than second passage extends through said unit and allow fluid through said valve.
2. valve according to claim 1 is characterized in that the Size Distribution in the hole of said porous material is in the 2-30 mu m range.
3. valve according to claim 1 is characterized in that, said porous material comprises a kind of in the following material: stainless steel, pottery, titanium oxide, aluminium oxide and zirconium oxide.
4. valve according to claim 1 is characterized in that, said porous material has and is not less than 50% porosity ratio.
5. valve according to claim 1; It is characterized in that; Said unit comprises the cylindrical wall of limiting hole, and the diameter in the said hole of said unit is identical with the diameter in the said hole of said induction element, and said unit is fixed between said induction element and the said valve seat coaxially.
6. valve according to claim 1; It is characterized in that; The said wall of said induction element also limits at least one window; Said unit comprises the dish that is fixed between said valve seat and the said body, thus the flow path of fluid from said inlet through said unit and said at least one window to said outlet.
7. valve according to claim 1; It is characterized in that; The said wall of said induction element also limits at least one window, and said unit comprises cap portion and from the edge outward extending neck portion of said cap portion, wherein; Said neck portion is fixed between said valve seat and the said body, thus the flow path of fluid from said inlet through said unit and said at least one window to said outlet.
8. valve according to claim 1; It is characterized in that the said wall of said induction element also limits at least one window, said unit comprises more than the 3rd pipe; Each of said more than the 3rd pipes has closed end and passes dunnage and fixing opening end; Wherein, said dunnage is fixed between said valve seat and the said body, thereby the flow path of fluid is managed and said at least one window to said outlet through said more than the 3rd from said inlet.
9. valve according to claim 8; It is characterized in that; Said unit also comprises more than the 4th strut that is separately fixed on the said dunnage and is parallel to said more than the 3rd pipes, and at least one steadying plate that is fixed to said more than the 4th strut, wherein; Said at least one steadying plate has more than the 3rd through hole corresponding to said more than the 3rd pipes, and each of said more than the 3rd through hole provides the Spielpassung with corresponding pipe.
10. unit that is used for valve, said valve comprises body, said body has entrance and exit; Valve seat, said valve seat limits opening between said inlet and said outlet; Induction element, said induction element are installed in the said body and comprise the cylindrical wall of limiting hole, and said hole has axis; And cypriot valve components, said cypriot valve components comprises valve plug, said valve plug is axially slidably in the said hole of said induction element, thereby engages or leave said valve seat,
Said unit is between said inlet and said outlet and comprise porous material; Said porous material comprises more than first hole; At least the part in said more than first hole is to connect mutually; Thereby form more than second passage, said more than second passage extends through said unit and allows fluid through said valve.
11. unit according to claim 10 is characterized in that, the Size Distribution in the hole of said porous material is in the 2-30 mu m range.
12. unit according to claim 10; It is characterized in that; Said unit comprises the cylindrical wall of limiting hole, and the diameter in the said hole of said unit is identical with the diameter in the said hole of said induction element, and said unit is fixed between said induction element and the said valve seat coaxially.
CN2011202480240U 2011-07-08 2011-07-12 Unit for valve and valve employing same Expired - Lifetime CN202209428U (en)

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CN201120255990.5 2011-07-08
CN201120255990 2011-07-08
CN2011202480240U CN202209428U (en) 2011-07-08 2011-07-12 Unit for valve and valve employing same

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679032A (en) * 2012-05-31 2012-09-19 无锡宝牛阀业有限公司 Pressure balance type porous noise reduction sleeve guide adjusting valve
CN102865408A (en) * 2011-07-08 2013-01-09 艾默生过程管理(天津)阀门有限公司 Unit for valve and valve with unit
CN104165247A (en) * 2013-05-16 2014-11-26 费希尔控制国际公司 Control valve trim cage having a plurality of anti-cavitation or noise abatement bars
CN112709845A (en) * 2019-10-25 2021-04-27 中国石油天然气股份有限公司 Valve structure and check valve

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CN102865408B (en) * 2011-07-08 2018-09-18 艾默生过程管理(天津)阀门有限公司 Unit for valve and the valve including the unit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865408A (en) * 2011-07-08 2013-01-09 艾默生过程管理(天津)阀门有限公司 Unit for valve and valve with unit
CN102865408B (en) * 2011-07-08 2018-09-18 艾默生过程管理(天津)阀门有限公司 Unit for valve and the valve including the unit
CN102679032A (en) * 2012-05-31 2012-09-19 无锡宝牛阀业有限公司 Pressure balance type porous noise reduction sleeve guide adjusting valve
CN104165247A (en) * 2013-05-16 2014-11-26 费希尔控制国际公司 Control valve trim cage having a plurality of anti-cavitation or noise abatement bars
CN104165247B (en) * 2013-05-16 2018-09-18 费希尔控制国际公司 The control trim valve cage of bar with multiple anti-cavitation or noise reduction
CN112709845A (en) * 2019-10-25 2021-04-27 中国石油天然气股份有限公司 Valve structure and check valve

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Publication number Publication date
CN102865408B (en) 2018-09-18
CN102865408A (en) 2013-01-09

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Granted publication date: 20120502