CN108571608A - The filter assemblies of inner valve - Google Patents
The filter assemblies of inner valve Download PDFInfo
- Publication number
- CN108571608A CN108571608A CN201710142848.1A CN201710142848A CN108571608A CN 108571608 A CN108571608 A CN 108571608A CN 201710142848 A CN201710142848 A CN 201710142848A CN 108571608 A CN108571608 A CN 108571608A
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- China
- Prior art keywords
- valve
- poppet
- valve body
- fastener
- clearance space
- Prior art date
- 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.)
- Granted
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- 230000000712 assembly Effects 0.000 title description 3
- 238000000429 assembly Methods 0.000 title description 3
- 239000012530 fluid Substances 0.000 claims abstract description 92
- 238000009434 installation Methods 0.000 claims abstract description 27
- 230000001737 promoting effect Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 16
- 238000011144 upstream manufacturing Methods 0.000 description 14
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000013056 hazardous product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- F16K17/19—Equalising valves predominantly for tanks
- F16K17/196—Equalising valves predominantly for tanks spring-loaded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
A kind of inner valve, including be arranged in valve body valve rod, be couple to the poppet of valve rod and be couple to the dump valve of valve rod.Valve rod can be moved to the second position that dump valve is opened from the first position that poppet and dump valve are closed, and be moved to the third place that dump valve is closed and poppet is opened, and poppet can move closing in response to pressure change.Inner valve includes filter, and there is filter extension, extension to be positioned in the clearance space between the upper part of valve body and the opening of fluid container.Filter is arranged to be fixed to the installation region of valve body by least one fastener.
Description
Technical field
Briefly, this disclosure relates to filter assemblies, more specifically, are related to the filter group for inner valve
Part, inner valve include the extension of the installation region in the clearance space for being arranged to be fixed between inner valve and fluid container
Portion.
Background technology
Inner valve is used for various commercial and industrial applications, to control fluid-storing container and another container, hose, pipeline
Fluid flowing Deng between.Particularly, when shifting hazardous material, compressed liquid and gas between the first location and the second location
When (such as propane, butane and NH3 (anhydrous ammonia)), inner valve can prevent the leakage of those materials.Inner valve is controlled using flowing
Mechanism processed, the flowing control mechanism is in response to the unexpected of the flow path due to for example rupturing, cutting off or damaging in other ways
Overflow situation and close.This flowing control mechanism is commonly referred to as poppet or excess flow valve, be commonly used for need in response to
The spilling of potential leakage or potential danger fluid and it is automatic, safely block in the application of fluid flowing.
Poppet is typically based on the pressure difference across inner valve to operate.For example, when inlet pressure is substantially equal to outlet pressure
When, poppet is opened.Before opening main valve, generally use dump valve is carried out balanced or balance across flow control components by inner valve
Pressure.In one example, inner valve can be on the entrance of large-scale storage tank or outlet, and prevents tank due to excessive
Interior pressure tank and rupture.Dump valve allows tank to discharge or be discharged gas-pressurized by discharge stream path, and eventually by promotion
Valve, until pressure tank drops to acceptable level until opening valve completely.
Invention content
According to the first illustrative aspect, for the inner valve for being connected to fluid container, the fluid container have by
The opening that mounting flange surrounds, the inner valve may include valve body, the valve body have a diameter upper part and on
The opening of portion part being sized to extend through in the fluid container.The valve body may include entrance
The outlet and.The valve body may include flange, and the flange is arranged to that the valve body is allowed to be mounted via flange fastener
To the mounting flange of the container.The inner valve may include valve rod, and the valve rod is slidably disposed on the valve
In body.The inner valve may include poppet, and the poppet includes promoting valve body, and the promotion valve body passes through first
Spring is operatively coupled to the valve rod, and includes promoting valve inlet and promoting valve outlet, and the poppet is arranged to beat
The entrance of the open and close valve body.The inner valve may include dump valve, and the dump valve is operatively coupled to institute
It states valve rod and is arranged to open and close the promotion valve inlet.The diameter of the upper part of the valve body can be small
In the diameter of the opening of the fluid container, in the institute of the upper part and the fluid container of the valve body
It states and forms clearance space between being open.The upper part of the valve body may include installation region, and the inner valve can be with
Including filter, at least one be sized in the poppet and the drain valve of the filter
Point, the filter includes extension, the extension be sized to be located in the clearance space and
It is arranged to be fixed to the installation region by least one fastener.
According to the second illustrative aspect, for the inner valve for being connected to fluid container, the fluid container have by
The opening that mounting flange surrounds, the inner valve may include valve body, and the valve body has upper part, the upper part tool
There is the opening of a diameter and the upper part being sized to extend through in the fluid container.Institute
It may include entrance and exit to state valve body.The valve body may include flange and shoulder, and the flange is arranged to allow institute
The mounting flange that valve body is directly mounted to the container by flange fastener is stated, the shoulder is the quilt of the flange
It is arranged as the upper face being sealingly engaged with the mounting flange.The inner valve may include valve rod, and the valve rod is slidably
Ground is arranged in valve body.The inner valve may include poppet, and the poppet includes promoting valve body, the poppet body
It is operatively coupled to the valve rod by the first spring, and the poppet body includes promoting valve inlet and promotion valve outlet,
The poppet is arranged to open and close the entrance of the valve body.The inner valve may include dump valve, described
Dump valve is operatively coupled to the valve rod and is arranged to open and close promote valve inlet.The flange of the valve body can be with
Include the recess installation region adjacent with the shoulder, and can be formed between the shoulder and the recess installation region
Clearance space.The inner valve can also include filter, and the filter is sized to around the promotion
Valve and the dump valve, the filter include extension, the extension be sized to be located in it is described between
In gap space, and it is arranged to be fixed to the recess installation region by least one fastener.
According to third illustrative aspect, for the inner valve for being connected to fluid container, the fluid container have by
The opening that mounting flange surrounds, the inner valve may include valve body, and the valve body has upper part, the upper part tool
There is the opening of a diameter and the upper part being sized to extend through in the fluid container.Institute
It may include entrance and exit to state valve body.The valve body may include flange, and the flange is arranged to allow the valve body logical
Cross the mounting flange that flange fastener is directly mounted to the container.The inner valve may include valve rod, the valve
Bar is slidably disposed in the valve body.The inner valve may include poppet, and the poppet includes promoting valve body,
The poppet body is operatively coupled to the valve rod by the first spring, and the poppet body include promoted valve inlet and
Valve outlet is promoted, the poppet is arranged to open and close the shown entrance of the valve body.The inner valve may include
Dump valve, the dump valve are operatively coupled to the valve rod and are arranged to open and close the promotion valve inlet.Institute
The diameter for stating the upper part of valve body can be less than the diameter of the opening of the fluid container, in the upper of the valve body
Clearance space is formed between portion part and the opening of the fluid container.The upper part of the valve body may include
Installation region, and the inner valve may include filter, and the filter is sized to carry described in encirclement
At least part of lift valve and the dump valve, the filter include extension, and the extension is dimensioned to fit
In be located in the clearance space and be arranged to by hoop be fixed to the installation region.
Further according to any one or more of aforementioned first aspect and second aspect aspect, the internal valve components
And/or inner valve may further include any one or more of following preferred form form.
In a preferred form, each fastener at least one fastener can have a length, between described
Gap space can have a width, and the length of each fastener in the fastener can be more than the clearance space
Width.
In a preferred form, the length of at least one fastener can be at least the four of the width of the clearance space
Times.
In a preferred form, each fastener at least one fastener can have head, the head
Portion has a depth, and the clearance space can have a width, and each fastener in the fastener is described
The depth on head can be less than the width of the clearance space.
In a preferred form, each fastener at least one fastener can have length, between described
Gap space can have a height, and the length of each fastener in the fastener can be more than the clearance space
Height.
In a preferred form, the length of at least one fastener can be at least the four of the height of the clearance space
Times.
In a preferred form, each fastener at least one fastener can have head, the head
Portion has a depth, and the clearance space can have a height, and each fastener in the fastener is described
The depth on head can be less than the height of the clearance space.
Description of the drawings
Fig. 1 is section system diagram, shows that according to the present invention first discloses exemplary introduction construction and with arrangement
For the inner valve of the filter of the installation region fixed to valve body；
Fig. 2A is the sectional view of the internal valve components of Fig. 1, instantiates and is arranged as being fixed to valve by least one fastener
The extension of the filter of the installation region of body；
Fig. 2 B are the filter for showing Fig. 2A and the perspective view for illustrating in greater detail extension；
Fig. 3 is the amplification sectional view for having gone out the relationship internal valve components between valve body, filter and fluid container of Fig. 1；
Fig. 4 is the sectional view for substituting internal valve components, which has shoulder and the filter adjacent with shoulder
Be recessed installation region, which is the upper part of the mounting flange for being arranged as that valve body is allowed to be directly mounted to container of flange
Surface；
Fig. 5 is the sectional view of the replacement internal valve components with filter, which includes being arranged as passing through hoop
(hoop) it is fixed to the extension of the installation region of valve body；
Fig. 6 is the amplification sectional view for the inner valve for illustrating in greater detail Fig. 1, and the valve rod for instantiating inner valve is in the
One position, in the first position, poppet and dump valve are all closed；
Fig. 7 is the sectional view of the inner valve of Fig. 6, and shows the valve rod in the second position, in the second position,
Dump valve is opened and poppet is closed；
Fig. 8 is the sectional view of the inner valve of Fig. 6, and shows that valve rod is in the third place, in the third place, row
Go out valve closing and poppet is opened；
Fig. 9 is the sectional view of the internal valve components of Fig. 6, and shows the valve rod in the third place, but shows and carry
Lift valve is mobile towards closed position and dump valve is made to open.
Specific implementation mode
Although hereafter text elaborates the detailed description of one or more exemplary embodiments to the present invention, should
Understand, the scope of law of the invention is limited by the word of the claim illustrated at the ending of this patent.Hereafter in detail retouch
It states and is to be interpreted as being only exemplary, and do not describe the possible embodiment of each of the present invention, because description each may be used
The embodiment of energy will be unpractical, even if not being impossible.Current techniques or the applying date in this patent can be used
The technology developed later realizes many alternate embodiments, and these alternate embodiments will fall into the right for limiting the present invention
In the range of it is required that.
Fig. 1 instantiates the inner valve 100 for being connected to fluid container 131.Fluid container 131, which has, is mounted flange
304 openings 302 surrounded.Valve body 110 has upper part 126, which has diameter D5, and size is set
It is set to the opening 302 being adapted to extend through in fluid container 131.Valve body 110 also has entrance 112, outlet 114 and flange 130,
The permission valve body 110 of flange 130 is mounted to the mounting flange 304 of fluid container 131 by flange fastener 310.Valve rod 106 can
It is slidably arranged in valve body 110.Poppet 102 includes poppet body 312.Poppet body 312 can be grasped by second spring 146
It is couple to valve rod 106 with making.Poppet body 312 includes promoting valve inlet 314 and promotion valve outlet 316.Poppet 102 is arranged
To open and close the entrance 112 of valve body 110.Dump valve 104 is operably coupled to valve rod 106, and is arranged to open
Valve inlet 314 is promoted with closing.The diameter D5 of the upper part 126 of valve body 110 is less than the straight of the opening 302 of fluid container 131
Diameter D6.Therefore, 422 (Fig. 3 of clearance space is formed between the upper part 126 of valve body 110 and the opening 302 of fluid container 131
It is shown).The upper part 126 of valve body 110 includes installation region 326.Inner valve 100 includes filter 324, filter 324
At least part being sized in poppet 102 and dump valve 104.Filter 324 includes extension
328, extension 328 is sized to be located in clearance space 422 (shown in Fig. 3) and be arranged to by extremely
A few fastener 330 is fixed to installation region 326.
Actuator 108 is operatively coupled to valve rod 106.Actuator 108 is operable such that valve rod 106 from poppet 102
The first position all closed with dump valve 104 is moved to the second position of the opening of dump valve 104, and is moved to dump valve 104
The third place that closing and poppet 102 are opened.When valve rod 106 is in the third place, in response to pressure change, poppet
102 be arranged to close and dump valve 104 be arranged to open.
Inner valve 100 may be mounted so that the upper part 126 of valve 100 is arranged to and first or upstream fluid source
(such as fluid container 131) is in fluid communication, and at first or upstream fluid source, relatively high pressure process fluids can be drawn
Enter.Fluid container 131 can also include the feed entrance 308 of inner wall 306 and conduit 134, wherein feed entrance 308 with it is interior
Wall 306 is spaced apart with the first distance D1.Second or the low portion 128 of valve 100 is arranged to and second or downstream fluid source (example
Such as, outlet 132) it is in fluid communication, inner valve 100 provides it process fluid.Flange 130 also allows to install inner valve 100
To outlet 132, can be arranged in pipe-line system, storage tank, gas-tanker system (bobtail truck system) or any
Other fuid distribution systems appropriate.
The first part 126 (it includes entire dump valve 104) of inner valve 100 can be immersed in relatively high pressure current
It is surrounded in body or by relatively high pressure fluid.Second part 128 can be arranged in the outside of fluid container 131, in valve body
Outlet 132 (such as pipe, hose or any other conduit appropriate) is received at 110 outlet 114.Process fluid can be from stream
Body container 131 flows via conduit 134 (such as hose) and flows through inner valve 100.When dump valve 104 is opened, mistake
Cheng Liuti can flow through exhaust flow path 124 and main flow path 116, by the outlet 114 of valve body 110, and flow
To outlet 132.When poppet 102 is opened, process fluid can flow through entrance 112, pass through major fluid flow path
116, and flow out the outlet 114 of valve body 110.
Valve body 110 defines the major fluid flow path 116 between entrance 112 and outlet 114.Valve body 110 includes shoulder
318, shoulder 318 is arranged to be sealingly engaged with the mounting flange of fluid container 131 304.Shoulder 318 is arranged on valve body 110
Entrance 112 and flange 130 between.Shoulder 318 is spaced apart with entrance 112, and is disposed on valve body 110, in inside
Entrance 112 is disposed away from when valve 100 is connected to fluid container 131 at the second distance D2 of the inner wall 306 of fluid container 131.
Second distance between entrance 112 and inner wall 306 be less than between the feed entrance 308 and inner wall 306 of conduit 134 first away from
From.
The diameter D3 of shoulder 318 is less than the diameter D4 of the flange 130 of valve body 110.Therefore, shoulder 318 does not interfere flange 130
It is arranged to receive multiple flange fasteners 310 with the flange 130 of the connection between mounting flange 304, and valve body, it is multiple
Flange fastener 310 may be coupled directly to the mounting flange 304 of fluid container 131.It is this that be directly connected to can be in many ways
It realizes.Fig. 1 describe arrangement in because the flange 130 of valve body include multiple holes 320 to receive multiple flange fasteners 310
It is directly connected to so generating, and multiple holes 320 are arranged to and the mounting hole 322 in the mounting flange of fluid container 131 304
Alignment.Valve body 110 be arranged to and the adjacent outlet 132 in outlet 114 of valve body 110 be connected, and outlet 132
It can be fixed to valve body 110 by multiple flange fasteners 310.
Fig. 1 also illustrates that valve body 110 includes the main valve stem guide part 402 supported by main valve pole support 404 and by secondary valve
The secondary stem guiding part 410 that pole support 412 supports, main valve pole support 404 is in the first axis position of the axis A along valve body 110
Set the inside 406 that valve body 110 is connected at 408, the second axial position 414 of the secondary valve rod pillar 412 in the axis A along valve body
Place is connected to the inside 406 of valve body 110, and the second axial position 414 is with the first axial position at a distance of axial distance D7.Valve body
110 further include the reinforcement 416 to extend internally towards the axis A of valve body 110, and each time valve rod pillar 412 is connected to thickening
A reinforcement in part 416.At least one fastener 330 of installation region 326 can be positioned in reinforcement 416
In.
Fig. 2A is gone to, the inner valve 100 of present disclosure is instantiated.Filter 324 surrounds poppet 102 and dump valve
At least part in 104.The extension 328 of filter 324 is arranged to be fixed to valve body by least one fastener 330
110 installation region 326.Fastener can be any other fastener common in screw, nail or this field.Each fastening
Part 330 has the length L (as shown in Figure 3) of the width w more than clearance space 422.Length L can be the width of clearance space 422
It spends at least four times (as shown in Figure 3) of w.Each fastener 330 can also have head 424, and head 424, which has, is less than gap sky
Between 422 width w depth D9 (as shown in Figure 3).Fig. 2 B provide filter 324 view of itself, show extension 328
With fastener 330.Fig. 3 is provided about the connection between the filter 324 of Fig. 2A discussion and the installation region 326 of valve body 110
Enlarged drawing, be equally applicable to the discribed arrangements of Fig. 1.
Turn to Fig. 4, show the inner valve 100 with shoulder 318, shoulder 318 be the upper face of flange 130 and by
It is arranged as being sealingly engaged with the mounting flange 304 of fluid container 131 (not describing).Recess peace is being provided with 318 adjacent of shoulder
Fill region 502.Clearance space 422 is formed between shoulder 318 and recess installation region 502.Filter 324 surrounds poppet
102 and dump valve 104 (not describing) at least part.The extension 328 of filter 324 is arranged to be located in gap sky
Between in 422, and be also arranged to be fixed to the sunk area 502 of valve body 110 by least one fastener 330.Fastener
It can be any other fastener common in screw, nail or this field.Each fastener 330, which has, is more than clearance space
The length L of 422 height h.Length L can be at least four times of the height h of clearance space 422.Each fastener 330 can be with
With head 424, head 424 has the depth D9 of the height h less than clearance space 422.
Fig. 5 is gone to, shows that inner valve 100, wherein filter 324 are fixed to valve body 110 by hoop 504.It is such as above
In the arrangement discussed, the diameter D5 of the upper part 126 of valve body 110 is less than the diameter D6 of the opening 302 of fluid container 131
(referring to Fig. 3).Therefore, clearance space is formed between the upper part 126 of valve body 110 and the opening 302 of fluid container 131
422 (referring to Fig. 3).Referring again to Fig. 5, the upper part 126 of valve body 110 includes installation region 506.The size of filter 324
It is arranged at least part being suitable in poppet 102 and dump valve 104.The extension 328 of filter 324 is arranged
To be located in clearance space 422, and it is arranged to be fixed to installation region 506 by hoop 504.
Fig. 6 instantiates the additional detail about inner valve 100.Actuator 108 includes bar 220, and bar 220 is couple to rotatable
Cam 222, rotatable cam 222 make cam 222 be rotated around axis D, to engage the bottom end 140 of valve rod 106 and in axial side
Move up valve rod 106.Although the actuator 108 in the example illustrated by includes rotatable bar 220 and cam 222,
The internal valve components 100 of present disclosure be not limited to illustrated by actuator arrangement.For example, in other embodiments, actuator
108 can be automatic or manual operation rotatable or linear driving mechanism, be arranged in first position, the second position and
Mobile valve rod 106 between the third place.In addition, another embodiment of valve 100 may include additional operating position, wherein
Valve rod 106 is moved to the position between any two position in first position, the second position and the third place by actuator 108
It sets.Such additional operations position, dump valve 104 and poppet 102 can be opened.
As illustrated in fig. 6, poppet 102 further includes valve seat 160 and valve disc 168.Similarly, dump valve 104 includes valve seat
208 (seat 208 is referred to herein as discharged) and valve disc 204 (being referred to herein as discharge tray 204).In the arrangement of Fig. 6,
When valve rod 106 is in first position, 160 He of valve seat in poppet 102 is arranged in the valve seat 208 and valve disc 204 of dump valve 104
168 top of valve disc.In other arrangements, all as depicted in fig. 5a and to be discussed below, the valve seat 208 and valve disc of dump valve 104
204 can be arranged below the valve seat 160 and valve disc 168 of poppet 102.
The function and operation of internal valve components 100 will be described in four continuous operative configurations：Closing structure shown in fig. 6
It makes, injection shown in Fig. 7 discharge construction, open configuration shown in Fig. 8 and restricted discharge shown in fig. 5 construct.Valve 100
Operative configuration can be selected by actuator 108, actuator 108 is operatively coupled to the bottom end 140 of valve rod 106.Actuator 108
Mobile valve rod 106 is operable as between first position, the second position and the third place.Valve rod 106 can be along inner valve 100
Longitudinal axis A is moved along the axis for being parallel to longitudinal axis A.When valve rod 106 is in first position, poppet 102 and dump valve
104 all close and actuator 108 not with the bottom end of valve rod 106 140 engage or connect.Second or close spring 146 be arranged
For inner valve 100 is biased in closed position.Opposite with bottom end 140, the top 144 of valve rod 106 is operatively coupled to dump valve
104 so that actuator 108 can control dump valve 104 by moving valve rod 106 along longitudinal axis A.First or overflow spring
148 are arranged to bias poppet 102 between an open position and a closed with fluid-responsive pressure change.Following article will
It is further described, the first spring 148 is arranged to that poppet 102 is made to move towards closed position, and is arranged to
Dump valve 104 is opened when valve rod 106 is in the third place.
The valve body 110 of inner valve 100 surrounds a part for second spring 146 and valve rod 106.Second spring 146 can be
Spring is closed, and is operatively coupled to valve rod 106, and is arranged to bias valve rod 106 in a downward direction to close
Poppet 102 and dump valve 104.Second spring 146 provides downward spring force to valve rod 106, and valve rod 106 is promoted to occupy Fig. 6
Shown in first position.Second spring 146 is maintained between the first spring base 152 and first group of inwardly-extending portion 156.Inwardly
Extension 156 limits hole 161, and casing 159 is arranged in hole 161.Casing 159 guides valve rod 106 to pass through valve body 110 and promotes
The smooth axial movement of valve rod 106.In addition, valve body 110 defines susceptor surface or valve seat 160, entrance 112 at entrance 112
Lead to aperture 164, upstream fluid source is connected to major fluid flow path 116 by aperture 164.When poppet 102 is in open position
When setting, major fluid flow path 116 is established between entrance 112 and outlet 114.
Poppet 102 is couple to valve body 110 and operable to open and close the entrance 112 of valve body 110.Poppet
102 are also operably coupled to exits valve body 118.When poppet 102 is in the open position for opening entrance 112 and closing entrance
When being moved between 112 closed position, exits valve body 118 is moved towards and far from the entrance 112 of valve body 110.In other words,
In the example of inner valve 100 illustrated by, exits valve body 118 is inherently a part for the operation of poppet 102.In institute's example
In example, exits valve body 118 is depicted as disc type valve module, the disc type valve module include or carry poppet 102 valve disc
168, valve disc 168 engages valve seat 160 and flows through valve body 110 to limit fluid.Poppet 102 can be in fig. 8 open position
It is moved between the closed position in Fig. 2,3,5, in the open position, valve disc 168 and exits valve body 118 are spaced with valve seat 160
It opens, in the closed position, valve disc 168 is against valve seat 160.Valve disc retainer 172 is by one or more fasteners 180 by valve disc
168 are couple to the valve disc gripper part 176 of exits valve body 118.
Dump valve 104 is couple to valve rod 106, and includes valve body 118, and valve body 118 has the hole for accommodating the first spring 148
184.First spring 148 can be overflow spring, and be arranged to towards susceptor surface 160 bias exits valve body 118, with
It is limited when by the flow rate of valve 100 more than specified or predetermined flow rate (for example, the overflow limitation of valve 100 or rate)
Fluid flows through hole mouth 164.First spring 148 includes bottom end 190 and top 192, and is maintained at second spring seat 194
Between keeping shoulder 196, shoulder 196 is kept to be limited by hole 184 and cylindrical part 198.The top 192 of first spring 148
Against keeping shoulder 196, and the bottom end 190 of the first spring 148 is against second spring seat 194.Second spring seat 194 is operatively
It is couple to valve rod 106 so that second spring seat 194 is with valve rod when valve rod 106 moves on the axial direction along longitudinal axis A
106 movements.Spring base 194 limits at least part for the flow orifice 210 being arranged in exhaust flow path, and permission is being discharged
Fluid communication between entrance 120 and discharge outlet 122.Discharge port 200 can be integrally formed with exits valve body 118, and
And specifically, the opening formed by the cylindrical part 198 of exits valve body 118 can be defined as.Discharge port 200 is set
In exhaust flow path 124, and discharge entrance 120 and hole 184 are fluidly connected, and hole 184 fluidly connects discharge
Entrance 120 and discharge outlet 122.At this location, discharge tray 204 (can be arranged in opening drain position as shown in Figure 2 and Figure 4
Placing 204 is spaced apart with discharge seat 208 and discharge port 200) closing drain position as shown in figures 1 and 3 is (in the position
Place, discharge tray 204 is against discharge seat 208) between move, to which discharge port 200 and upstream fluid source be sealed.In short, carrying
Lift valve 102 and dump valve 104 form inner valve 100.
It is turning now specifically to Fig. 6, inner valve 100 is in first or shutoff operation construction.In closed configuration, poppet
102 is in the closed position, and dump valve 104 be in close drain position so that outlet 114 with upstream fluid source seal every
From.The valve disc 168 carried by exits valve body 118 is by the first spring 148 and/or passes through the upstream fluid source of entrance 112
Pressure is by towards closed position.The discharge tray 204 of dump valve 104 is closed via valve rod 106 by direction by second spring 146
Close drain position biasing.When poppet 102 and dump valve 104 are all closed, valve disc 168 engages valve seat 160 to prevent fluid flow
It is dynamic to pass through aperture 164, and the engagement of discharge tray 204 discharge seat 208 passes through discharge port 200 to prevent fluid flow is dynamic.
In figure 6, the operating lever 220 of actuator 108 is in first position, to which rotatable cam 222 does not engage valve
The bottom end 140 of bar 106.However, when actuator 108 is operable to valve rod 106 on the axis direction along longitudinal axis A from Fig. 6
Shown in position when being moved to position shown in Fig. 7, bar 220 is moved to the second position, this makes cam 222 be revolved around axis D
Turn, until cam 222 engages the bottom end 140 of valve rod 106.In this example, the second position of bar 220 corresponds to relative to first
Position positions the midpoint of the travel path of 35 degree of bar 220.Valve rod 106 is moved to position shown in Fig. 7 to being in the first spring
Second spring 146 between seat 152 and valve body 110 is compressed so that and discharge tray 204 is moved far from discharge valve seat 208, to
Inner valve 100 is moved to injection discharge construction from shutoff operation construction.
In the injection discharge construction of Fig. 7, valve rod 106 is in the second position, and poppet 102 remains turned-off, but arranges
Go out that valve 104 is in an open position, to allow the fluid from upstream fluid source to enter discharge entrance 120, and it is balanced across
The pressure difference of valve 100.A part for the valve rod 106 being arranged in discharge port 200 includes the diameter or sunk part reduced
224, to allow fluid to be flowed between the cylindrical part 198 and valve rod 106 of exits valve body 118.In injection discharge construction,
Sunk part 224 forms clearance G 1 between valve rod 106 and discharge port 200.So construction, dump valve 104 can allow more
More fluids flows through discharge port 200 and arrives exhaust flow path 124, this can cause the faster pressure across valve 100 equal
Weighing apparatus.Exhaust flow path 124 is fluidly connected to entering for poppet 102 by the flow orifice 210 being formed in second spring seat 194
Mouth 112 allows fluid to flow in series through valve 100, until upstream pressure and downstream pressure are almost equal.Poppet 102 is protected
It holds in closed position, until the pressure in upstream fluid source is less than the spring force of the first spring 148 so that the first spring 148 expands
And exits valve body 118 is pushed upwardly toward open position in the axial direction.By valve rod 106 sunk part 224 relative to
The clearance G 1 and the flow orifice 210 of second spring seat 194 that the placement location of discharge port 200 provides can accelerate inner valve together
100 equilibrium.
When fluid from upstream fluid source flow by dump valve 104 and enter poppet 102 entrance 112 when, the second bullet
Spring 146 and the first spring 148 are compressed.First spring base 152 is movably arranged (for example, slideably) in pilot sleeve
In 151 (for example, casings), pilot sleeve 151 is located at limits simultaneously position by second group of opposite inwardly-extending portion 155 of valve body 110
It is couple to valve rod 106 in hole 153 therein, and by holding member 154 so that the first spring base 152 is relative to guiding
The hole 153 of sleeve 151 and valve body is movably arranged (for example, slideably) in valve body 110.Therefore, when valve rod 106 is upward
When mobile, the first spring base 152 is against 146 applied force of second spring (in this case, upward power) so that second spring
146 are pressed against first group of inwardly-extending portion 156 of valve body 110.Second spring seat 194 operatively passes through ring 230 (for example, clip) coupling
It is connected to valve rod 106, and as valve rod 106 moves up and further move to the hole 184 of dump valve 104 in the axial direction
In.First spring 148 compresses between the holding shoulder 196 and second spring seat 194 of exits valve body 118.As depicted in figure 7,
Being applied to by the first spring 148 keeps the power on shoulder 196 and spring base 194 to be also not enough to overcome the upstream on poppet 102
The power of the pressure of fluid source, therefore poppet 102 is maintained in its closed position.In another example, second spring seat 194 can be with
It is couple to valve rod by recess or groove in pin by extend through valve rod 106 or the surface by being formed in valve rod 106
106。
When actuator 108 is operable to that valve rod 106 is moved to the third place from the second position (Fig. 7) in the axial direction
When (Fig. 8), bar 220 is moved to the third place by completing its travel path, to rotate cam 222 further around axis D
And further drive up valve rod 106.Movement of the valve rod 106 to position shown in Fig. 8 further has compressed 146 He of second spring
First spring 148, this pressure in upstream fluid source force poppet 102 to be opened when being approximately equal to the pressure in downstream fluid source,
To which inner valve 100 is moved to opening operation construction from injection discharge construction.
Fig. 8 instantiates the inner valve 100 constructed in opening operation, wherein poppet 102 is in an open position, allows
Fluid enters the entrance 112 of valve 100 from upstream pressure source flow, into aperture 164, by mainstream path 116, and via going out
Mouth 114 leaves valve 100.When the first spring 148 expands in the axial direction and makes exits valve body 118 up and away from entrance
When 112 movement, the discharge seat 208 of exits valve body 110 connects with discharge tray 204.In response to the pressure difference across valve 100, the first bullet
The expansion of spring 148 makes second spring seat 194 be slid downwardly into hole 184.
However, when upstream pressure overcomes the spring force of second spring 148, poppet 102 is moved back to closed position.
Alternatively, can be more than specific or scheduled flow rate by the flow rate of valve 100 so that exits valve body 118 is towards valve
160 movement of seat is to close poppet 102.Under any circumstance, the closing of poppet 102 opens valve 100 illustrated by Fig. 8
Operative configuration is moved to restricted discharge construction illustrated by Fig. 9.In restricted discharge construction, dump valve 104 is in
Open drain position.Therefore the sunk part 224 of valve rod 106 is placed in 200 top of discharge port.In this position, recessed portion
224 are divided not to be sufficiently positioned in discharge port 200 to form clearance G 1, but between valve rod 106 and valve port 200
Limit clearance G 2.Clearance G 2, which is less than, to be formed in injection discharge construction by the sunk part 224 and valve port 200 of valve rod 106
Clearance G 1.The formation of clearance G 2 allows limited amount fluid to be allowed through discharge port relative in injection discharge construction
200 discharge fluids amount and be discharged by discharge port 200.
According to the introduction of present disclosure, dump valve 104 and poppet 102 provide holding system safety and allow to be discharged
The relief function that valve 104 and poppet 102 open and close, as illustrated in Fig. 2-5.When the flow rate in valve 100 becomes too
Gao Shi, relief function flow into entrance 112 to protect system by volitional check fluid.Specifically, poppet 102 be based on into
Pressure difference between mouthful pressure and outlet pressure operates, and the first spring 148 has an overflow spring rate (spring
Rate), which makes when being more than specific or scheduled flow rate by the flow rate of valve 100, row
Go out valve body 118 and valve disc 168 to move towards susceptor surface 160.When inlet pressure is substantially greater than outlet pressure, valve disc is carried
168 exits valve body 118 keeps biasing in the discribed closed configurations of Fig. 6 towards susceptor surface 160.Dump valve 104 is by cloth
It is set to pressure balanced or between balance entrance 112 and outlet 114, and valve 100 can be placed in shown in Fig. 8 by dump valve 104
Injection discharge construction in, to allow a certain amount of fluid to be discharged in inner valve 100.When inlet pressure is approximately equal to outlet pressure
When power, the first spring 148 opens poppet 102 to allow fluid to flow through inner valve 100 as shown in Figure 8.Once being promoted
Valve 102 is opened, and poppet 102 can be forced against shown in Fig. 9 the more than the flowing of the fluid of the spring rate of the first spring 148
One spring 148 and close.In restricted discharge construction, dump valve 104 is opened to allow less amount of fluid to be discharged to valve
In 100.
Claims (9)
1. a kind of inner valve for being connected to fluid container, the fluid container has the opening surrounded by mounting flange, institute
Stating inner valve includes：
Valve body, the valve body include the upper part with a diameter, and the upper part is sized to extend
The opening in the fluid container, the valve body include an inlet and an outlet；
The valve body includes the mounting flange for being arranged to that the valve body is allowed to be installed to the container via flange fastener
Flange；
Valve rod, the valve rod are slidably disposed in the valve body；
Poppet, the poppet include poppet body, and the poppet body is operably coupled to described by the first spring
Valve rod, and the poppet body includes promoting valve inlet and promoting valve outlet, and the poppet is arranged to open and close
The entrance of the valve body；
Dump valve, the dump valve are operatively coupled to the valve rod and are arranged to open and close the poppet
Mouthful；
Wherein, the diameter of the upper part of the valve body is less than the diameter of the opening of the fluid container, thus
Clearance space is formed between the upper part of the valve body and the opening of the fluid container；
Wherein, the upper part of the valve body includes installation region, and the inner valve includes filter, the filtering
At least part of device being sized to around the poppet and the dump valve, the filter include extending
Portion, the extension is sized to be located in the clearance space, and is arranged to by least one tight
Firmware is fixed to the installation region.
2. inner valve according to claim 1, wherein each fastener at least one fastener all has
One length, wherein the clearance space has a width, and wherein, and the length of the fastener is more than the gap
The width in space.
3. inner valve according to claim 2, wherein the length of at least one fastener is that the gap is empty
Between at least four times of the width.
4. inner valve according to claim 1, wherein each fastener at least one fastener has head
Portion, the head have a depth, wherein the clearance space has a width, and wherein, each in the fastener
The depth on the head of a fastener is less than the width of the clearance space.
5. a kind of inner valve for being connected to fluid container, the fluid container has the opening surrounded by mounting flange, institute
Stating inner valve includes：
Valve body, the valve body include the upper part with a diameter, and the upper part is sized to extend
The opening in the fluid container, the valve body include an inlet and an outlet；
The valve body includes flange and shoulder, and the flange is arranged to allow the valve body direct by flange fastener
Ground is installed to the mounting flange of the container, and the shoulder is being arranged to and mounting flange sealing engagement for the flange
Upper face；
Valve rod, the valve rod are slidably disposed in the valve body；
Poppet, the poppet include poppet body, and the poppet body is operably coupled to described by the first spring
Valve rod, and the poppet body includes promoting valve inlet and promoting valve outlet, and the poppet is arranged to open and close
The entrance of the valve body；
Dump valve, the dump valve are operatively coupled to the valve rod and are arranged to open and close the poppet enter
Mouthful；
Wherein, the flange of the valve body further includes the recess installation region adjacent with the shoulder, and in the shoulder
Clearance space is formed between the recess installation region；And
Wherein, the inner valve further includes filter, the filter be sized to around the poppet and
The dump valve, the filter include extension, and the extension is sized to positioned at the clearance space
In and be arranged to by least one fastener be fixed to the recess installation region.
6. inner valve according to claim 5, wherein each fastener at least one fastener all has
One length, wherein the clearance space has a height, and wherein, the length of each fastener in the fastener
More than the height of the clearance space.
7. inner valve according to claim 6, wherein the length of at least one fastener is the clearance space
At least four times of height.
8. inner valve according to claim 5, wherein each fastener at least one fastener all has
Head, the head have a depth, wherein the clearance space has a height, and wherein, every in the fastener
The depth on the head of one fastener is less than the height of the clearance space.
9. a kind of inner valve for being connected to fluid container, the fluid container has the opening surrounded by mounting flange, institute
Stating inner valve includes：
Valve body, the valve body include the upper part with a diameter, and the upper part is dimensioned to extend through
The opening in the fluid container, the valve body include an inlet and an outlet；
The valve body includes being arranged to that the valve body is allowed to be directly mounted to described in the container via flange fastener
The flange of mounting flange；
Valve rod, the valve rod are slidably disposed in the valve body；
Poppet, the poppet include poppet body, and the poppet body is operatively coupled to the valve by the first spring
Bar, and the poppet body includes promoting valve inlet and promoting valve outlet, and the poppet is arranged to open and close institute
State the entrance of valve body；
Dump valve, the dump valve are operatively coupled to the valve rod and are arranged to open and close the poppet enter
Mouthful；
Wherein, the diameter of the upper part of the valve body is less than the diameter of the opening of the fluid container, thus
Clearance space is formed between the upper part of the valve body and the opening of the fluid container；
Wherein, the upper part of the valve body includes installation region, and includes filter, the size quilt of the filter
At least part being set as appropriate in the poppet and the dump valve, the filter includes extension, described
Extension is sized to be located in the clearance space, and is arranged to be fixed to the installing zone by hoop
Domain.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142848.1A CN108571608B (en) | 2017-03-10 | 2017-03-10 | Filter assembly for internal valve |
| US15/636,492 US10480682B2 (en) | 2017-03-10 | 2017-06-28 | Strainer assembly for internal valve |
| CA3055039A CA3055039A1 (en) | 2017-03-10 | 2018-02-21 | Strainer assembly for internal valve |
| PCT/US2018/018925 WO2018164836A1 (en) | 2017-03-10 | 2018-02-21 | Strainer assembly for internal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142848.1A CN108571608B (en) | 2017-03-10 | 2017-03-10 | Filter assembly for internal valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571608A true CN108571608A (en) | 2018-09-25 |
| CN108571608B CN108571608B (en) | 2022-03-01 |
Family
ID=63577306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710142848.1A Active CN108571608B (en) | 2017-03-10 | 2017-03-10 | Filter assembly for internal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571608B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2258230A (en) * | 1939-09-14 | 1941-10-07 | Gen Electric | Valve |
| US3199534A (en) * | 1962-08-01 | 1965-08-10 | Bastian Blessing Co | Fluid filling and draining apparatus for tanks |
| US3844312A (en) * | 1971-11-22 | 1974-10-29 | Fisher Controls Co | Rapid equalizing tight shut-off internal control valve |
| US20110203685A1 (en) * | 2009-08-21 | 2011-08-25 | Chun Lin | Apparatus to determine a position of a valve |
| CN207261752U (en) * | 2017-03-10 | 2018-04-20 | 艾默生过程管理调节技术公司 | For being connected to the inner valve of fluid container |
-
2017
- 2017-03-10 CN CN201710142848.1A patent/CN108571608B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2258230A (en) * | 1939-09-14 | 1941-10-07 | Gen Electric | Valve |
| US3199534A (en) * | 1962-08-01 | 1965-08-10 | Bastian Blessing Co | Fluid filling and draining apparatus for tanks |
| US3844312A (en) * | 1971-11-22 | 1974-10-29 | Fisher Controls Co | Rapid equalizing tight shut-off internal control valve |
| US20110203685A1 (en) * | 2009-08-21 | 2011-08-25 | Chun Lin | Apparatus to determine a position of a valve |
| CN207261752U (en) * | 2017-03-10 | 2018-04-20 | 艾默生过程管理调节技术公司 | For being connected to the inner valve of fluid container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108571608B (en) | 2022-03-01 |
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