CN106870773A - Valve device and physical property analysis apparatus - Google Patents
Valve device and physical property analysis apparatus Download PDFInfo
- Publication number
- CN106870773A CN106870773A CN201510918368.0A CN201510918368A CN106870773A CN 106870773 A CN106870773 A CN 106870773A CN 201510918368 A CN201510918368 A CN 201510918368A CN 106870773 A CN106870773 A CN 106870773A
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- CN
- China
- Prior art keywords
- valve
- main
- auxiliary
- valve body
- opening
- 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
Links
- 238000004458 analytical method Methods 0.000 title claims abstract description 25
- 230000000704 physical effect Effects 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 238000005070 sampling Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
-
- 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
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a valve device and a physical property analysis apparatus, the valve device including: the valve comprises a valve body, a main valve cavity and one or more opening channels are formed in the valve body, the opening channels are communicated with the main valve cavity, and a first sealing matching part is arranged at an opening where the main valve cavity is communicated with the bottom of the valve body; the main needle valve rod is inserted in the main valve cavity, one end of the main needle valve rod is provided with a second sealing matching part, and the main needle valve rod is provided with a first position enabling the first sealing matching part and the second sealing matching part to be sealed so as to close the opening and a second position enabling the first sealing matching part and the second sealing matching part to be opened so as to open the opening. By applying the technical scheme of the invention, because the position of the sealed opening is positioned at the bottom of the valve body, namely the valve body is arranged at one end of the equipment and faces to the cavity, materials cannot enter the valve cavity of the valve body, namely dead volume is avoided in the valve cavity, and the accuracy of a detection result is prevented from being damaged due to overlarge dead volume.
Description
Technical field
The present invention relates to machinery equipment field, in particular to a kind of valve gear and Physical Property Analysis equipment.
Background technology
Physical Property Analysis are a kind of conventional detection and analysis means, and can treat detectable substance using Physical Property Analysis equipment carries out comprehensive thing
Property analysis.In oil reservoir development field, sample analytical tests, in sampling process, thing are carried out to oil reservoir using Physical Property Analysis equipment
Property analytical equipment sampling control valve as major control valve, to control thing to be detected to enter analytical equipment.
But there is dead volume part, or dead volume part in the sampling control valve of existing Physical Property Analysis equipment, such as valve port
Part, wherein the dead volume that cannot be stirred is referred to as without appearance of being ready to give one's life for a cause.Because the thing to be detected without appearance of being ready to give one's life for a cause cannot be sufficiently stirred for,
But analysis can be still collected in Physical Property Analysis equipment and participate in, therefore the result held and can directly affect Physical Property Analysis without being ready to give one's life for a cause,
The Rong Yue great if nothing that valve body is present is ready to give one's life for a cause, influences bigger to precision of analysis.
The content of the invention
It is a primary object of the present invention to provide a kind of valve gear and Physical Property Analysis equipment, deposited with solving valve gear of the prior art
In larger dead appearance so as to influence the problem of the result of sampling analysis.
To achieve these goals, according to an aspect of the invention, there is provided a kind of valve gear, including：Valve body, on valve body
Main valve chamber and one or more open channels are offered, open channel is connected with main valve chamber, and main valve chamber is connected with the bottom of valve body
There is the first sealing fit portion at opening；Main Needle shaft, is plugged in main valve chamber, and there is the second sealing to match somebody with somebody for one end of main Needle shaft
Conjunction portion, main Needle shaft has to be made the first sealing fit portion and the second sealing fit portion seal the first position to close opening and makes the
One sealing fit portion is opened to open the second place of opening with the second sealing fit portion.
Further, have in the first sealing fit portion of necking down structure at the opening that main valve chamber is connected with the bottom of valve body；Main pin
One end of valve rod has the second sealing fit portion of tapered structure.
Further, main valve chamber is through to the bottom of valve body from the top of valve body, and a part for main Needle shaft protrudes from the top of valve body
Portion.
Further, open channel is connected to the center section of main valve chamber.
Further, one or more auxiliary valve pockets are further opened with valve body, auxiliary valve pocket is connected with main valve chamber, open channel is by auxiliary
Valve pocket is connected with main valve chamber, on each auxiliary valve pocket with least one opening channel connection；Valve gear also includes that one or more are auxiliary
Needle shaft, auxiliary Needle shaft is arranged in auxiliary valve pocket correspondingly, and auxiliary Needle shaft has the first of blocking main valve chamber and open channel
Position and the second place of connection main valve chamber and open channel.
Further, the opening that auxiliary valve pocket is connected with main valve chamber has in the 3rd sealing fit portion of necking down structure；Auxiliary Needle shaft
One end has the 4th sealing fit portion of tapered structure, and the 3rd sealing fit portion cooperatively forms sealing knot with the 4th sealing fit portion
Structure.
Further, auxiliary valve pocket is through to the outer surface of valve body, and a part for auxiliary Needle shaft protrudes from valve body.
Further, open channel is connected to the center section of auxiliary valve pocket.
Further, perpendicular to open channel, auxiliary valve pocket favours main valve chamber setting to main valve chamber.
According to another aspect of the present invention, a kind of Physical Property Analysis equipment, including sampling control valve, sampling control valve are additionally provided
Including above-mentioned valve gear.
Apply the technical scheme of the present invention, because being located at the bottom of valve body by the position of sealing opening, i.e. valve body is installed in equipment
Afterwards towards one end of cavity, therefore material will not enter in the valve pocket of valve body, that is, avoid the presence of dead volume in valve pocket, and because adopt
The sealing fit structure coordinated with valve rod and valve pocket, valve rod can occupy a part for valve pocket, therefore further avoid valve pocket internal memory
In dead volume, it is to avoid and the degree of accuracy of destructive test result excessive due to dead volume.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the schematic diagram that the main Needle shaft of the embodiment of valve gear of the invention is closed；
Fig. 2 shows that the main Needle shaft of the embodiment of valve gear of the invention is in the schematic diagram of open mode；
Fig. 3 shows the section view of the valve body of valve gear of the invention；And
Fig. 4 shows the vertical view of the valve body of valve gear of the invention.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
According to an aspect of the invention, there is provided a kind of valve gear, as shown in Figures 1 to 4, valve gear includes：Valve body 10,
Main valve chamber 101 and one or more open channels 102 are offered on valve body 10, open channel 102 is connected with main valve chamber 101,
There is the first sealing fit portion at the opening that main valve chamber 101 is connected with the bottom of valve body 10；Main Needle shaft 20, is plugged in main valve chamber
In 101, one end of main Needle shaft 20 has the second sealing fit portion, and main Needle shaft 20 has makes the first sealing fit portion and second
Sealing fit portion seals the first position to close opening and the first sealing fit portion is opened to open out with the second sealing fit portion
The second place of mouth.
The open channel 102 of valve gear of the invention is connected with main valve chamber 101, i.e. the break-make of main valve chamber 101 controls opening logical
The break-make in road 102, and the break-make of main valve chamber 101 is controlled by main Needle shaft 20, when main Needle shaft 20 is in first position,
First sealing and the second sealing coordinate closes opening, and because the position of opening is located at the bottom of valve body 10, i.e. valve body 10
Towards one end of cavity after being installed in equipment, therefore material will not enter in the valve pocket of valve body 10, that is, avoid in valve pocket in the presence of dead
Volume, but because the sealing fit structure coordinated using valve rod and valve pocket, valve rod can occupy a part for valve pocket, therefore further
Avoid and there is dead volume in valve pocket, it is to avoid and the degree of accuracy of destructive test result excessive due to dead volume.
Preferably, have in the first sealing fit portion of necking down structure at the opening that main valve chamber 101 is connected with the bottom of valve body 10；
One end of main Needle shaft 20 has the second sealing fit portion of tapered structure.
The gradient in the section of the necking segment of main valve chamber 101 can also may be used with the gradient in the section of the conical section of main Needle shaft 20 with equal
With unequal, such as the gradient of the necking segment of the ratio of slope main valve chamber 101 of the conical section of main Needle shaft 20 is bigger, so can be more
Plus convenient realization coordinates.
A kind of embodiment of the first sealing fit portion and the second sealing fit portion, i.e. conical section and contracting are illustrate only in Fig. 1 and Fig. 2
The miner diameter end of cervical part of esophagus towards the bottom of valve body 10, in another embodiment, conical section and necking segment it is big through holding towards valve body 10
Bottom, i.e., it is opposite with the embodiment shown in Fig. 1 and Fig. 2.
Preferably, as illustrated in fig. 1 and 2, main valve chamber 101 is through to the bottom of valve body 10, main needle-valve from the top of valve body 10
A part for bar 20 protrudes from the top of valve body 10.Operating personnel can directly operate a part of main needle-valve for protruding from valve body 10
Bar 20 is operating the opening and closing of main valve chamber 101.Additionally, the part that main Needle shaft 20 protrudes from valve body 10 is provided with operating handle.
Preferably, open channel 102 is connected to the center section of main valve chamber 101.
In a kind of embodiment not shown in figure, valve gear is not provided with auxiliary valve pocket 103, and open channel 102 is connected directly between main valve
On chamber 101.
And in the embodiment shown in Fig. 1 to 4, one or more auxiliary valve pockets 103, auxiliary valve pocket 103 are further opened with valve body 10
Connected with main valve chamber 101, open channel 102 is connected by auxiliary valve pocket 103 with main valve chamber 101, on each auxiliary valve pocket 103
Connected with least one opening passage 102；Valve gear also includes one or more auxiliary Needle shafts 30, and auxiliary Needle shaft 30 is corresponded
Be arranged in auxiliary valve pocket 103, auxiliary Needle shaft 30 have blocking main valve chamber 103 and open channel 102 first position and connect
The second place of main valve chamber 103 and open channel 102.
In order to realize better seal performance and other functions, the valve gear of the present embodiment is additionally provided with auxiliary valve pocket 103, auxiliary valve pocket
The supporting auxiliary Needle shaft 30 for being provided with control opening and closing, auxiliary valve pocket 103 is connected with main valve chamber 101, and open channel 102 is then connected
On auxiliary valve pocket 103, so allow for having between the opening of the outlet of open channel 102 and the bottom of main valve chamber 101 double
Sealing structure.Additionally, setting auxiliary valve pocket 103 can also control the opening and closing of single open channel 102, such as shown in Fig. 2,
The auxiliary valve pocket 103 and open channel 102 in left side are closed, and the auxiliary valve pocket 103 on right side and open channel 102 are opened.
Preferably, the opening that auxiliary valve pocket 103 is connected with main valve chamber 101 has in the 3rd sealing fit portion of necking down structure；Auxiliary pin
One end of valve rod 30 has the 4th sealing fit portion of tapered structure, and the 3rd sealing fit portion coordinates shape with the 4th sealing fit portion
Into sealing structure.
The sealing fit structure of auxiliary Needle shaft 30 and auxiliary valve pocket 103 is matched somebody with somebody with the sealing of above-mentioned main Needle shaft 20 and main valve chamber 101
Close structure similar.And the miner diameter end of conical section and necking segment is illustrate only in Fig. 1 and Fig. 2 implement towards one kind of main valve chamber 101
Example, and in another embodiment, the big bottom through holding towards valve body 10 of conical section and necking segment, i.e., with Fig. 1 and Fig. 2 in
The embodiment for showing is opposite.
Preferably, auxiliary valve pocket 103 is through to the outer surface of valve body 10, and a part for auxiliary Needle shaft 30 protrudes from valve body 10.It is auxiliary
The set-up mode of Needle shaft 30 is similar with the set-up mode of main Needle shaft 20, equally enables to operator from the outer of valve body 10
Side manipulates the opening and closing between auxiliary valve pocket 103 and main valve chamber 101.Additionally, the end that auxiliary Needle shaft 30 protrudes from valve body 10 also sets
It is equipped with handle.
Preferably, open channel 102 is connected to the center section of auxiliary valve pocket 103.
Preferably, in the embodiment shown in Fig. 1 to 4, main valve chamber 101 is inclined perpendicular to open channel 102, auxiliary valve pocket 103
Set in main valve chamber 101.Specifically, main valve chamber 101 is vertically arranged, and exit passageway 102 is horizontally disposed with, and auxiliary valve pocket 103
Set in 45 degree of overturning angles.
According to another aspect of the present invention, a kind of Physical Property Analysis equipment, including sampling control valve, the sampling control are additionally provided
Valve processed includes above-mentioned valve gear.
Using valve gear of the invention, it is possible to reduce the dead volume of sampling control valve, it is to avoid the thing for having neither part nor lot in stirring in dead volume
Material participates in Physical Property Analysis in being mixed into thing to be detected, and then improves the precision of analysis of Physical Property Analysis equipment.
During a sampling analysis for routine, sampling control valve is arranged on the top of sample cavity, and wherein sample cavity can have
Stirring mixed function, is first turned on main Needle shaft 20 and auxiliary Needle shaft 30 so that open channel 102 is connected with sample cavity, is passed through
Open channel 102 carries out vacuum pumping to sample cavity；After the vacuum in sample cavity meets condition, main Needle shaft 20 is closed
With auxiliary Needle shaft 30, the valve between the valve between sample cavity and sample of material, such as sample cavity and flowline, sample of material is in pressure
In the presence of enter sample cavity；The valve between sample cavity and sample of material is closed, if being provided with mixing component in sample cavity, to thing
Material sample is sufficiently stirred for；Open main Needle shaft 20 and auxiliary Needle shaft 30 so that sample of material enters via open channel 102
Physical Property Analysis equipment, is analyzed and detection.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for those skilled in the art
For, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of valve gear, it is characterised in that including：
Valve body (10), offers main valve chamber (101) and one or more open channels (102) on the valve body (10),
The open channel (102) connects with the main valve chamber (101), the main valve chamber (101) and the valve body (10)
Bottom connection opening at have the first sealing fit portion；
Main Needle shaft (20), is plugged in the main valve chamber (101), and one end of the main Needle shaft (20) has the
Two sealing fit portion, the main Needle shaft (20) is with making first sealing fit portion with second sealing fit portion
Seal the first position to close the opening and make first sealing fit portion and second sealing fit portion opening with
Open the second place of the opening.
2. valve gear according to claim 1, it is characterised in that
There is described the in necking down structure at the opening that the main valve chamber (101) connects with the bottom of the valve body (10)
One sealing fit portion；
One end of the main Needle shaft (20) has second sealing fit portion of tapered structure.
3. valve gear according to claim 1, it is characterised in that top of the main valve chamber (101) from the valve body (10)
Portion is through to the bottom of the valve body (10), and a part for the main Needle shaft (20) protrudes from the valve body (10)
Top.
4. valve gear according to claim 1, it is characterised in that the open channel (102) is connected to the main valve chamber (101)
Center section.
5. valve gear according to claim 1, it is characterised in that
One or more auxiliary valve pockets (103), the auxiliary valve pocket (103) and the master are further opened with the valve body (10)
Valve pocket (101) is connected, and the open channel (102) is by the auxiliary valve pocket (103) and the main valve chamber (101)
Connection, connects on each described auxiliary valve pocket (103) with open channel described at least one (102)；
The valve gear also includes one or more auxiliary Needle shafts (30), and the auxiliary Needle shaft (30) is set correspondingly
In the auxiliary valve pocket (103), the auxiliary Needle shaft (30) is with the blocking main valve chamber (103) and the opening
The first position of passage (102) and the second place of the connection main valve chamber (103) and the open channel (102).
6. valve gear according to claim 5, it is characterised in that
The opening that the auxiliary valve pocket (103) connects with the main valve chamber (101) has matches somebody with somebody in the 3rd sealing of necking down structure
Conjunction portion；
One end of the auxiliary Needle shaft (30) has the 4th sealing fit portion of tapered structure, and the 3rd sealing coordinates
Portion cooperatively forms sealing structure with the 4th sealing fit portion.
7. valve gear according to claim 5, it is characterised in that the auxiliary valve pocket (103) is through to the valve body (10)
Outer surface, a part for the auxiliary Needle shaft (30) protrudes from the valve body (10).
8. valve gear according to claim 5, it is characterised in that the open channel (102) is connected to the auxiliary valve pocket (103)
Center section.
9. valve gear according to claim 5, it is characterised in that the main valve chamber (101) perpendicular to the open channel (102),
The auxiliary valve pocket (103) favours the main valve chamber (101) setting.
10. a kind of Physical Property Analysis equipment, including sampling control valve, it is characterised in that the sampling control valve includes claim 1 to 9
Any one of valve gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918368.0A CN106870773B (en) | 2015-12-10 | 2015-12-10 | Valve device and physical property analysis apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918368.0A CN106870773B (en) | 2015-12-10 | 2015-12-10 | Valve device and physical property analysis apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870773A true CN106870773A (en) | 2017-06-20 |
| CN106870773B CN106870773B (en) | 2019-10-11 |
Family
ID=59177022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918368.0A Active CN106870773B (en) | 2015-12-10 | 2015-12-10 | Valve device and physical property analysis apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870773B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1169590B1 (en) * | 1999-03-31 | 2004-06-23 | Ole Ostergaard Holding ApS | Valve and a method of closing a valve |
| CN201636389U (en) * | 2010-04-19 | 2010-11-17 | 大连津利流体设备开发有限公司 | Parallel dual-cutoff multifunctional instrument root valve |
| CN201788101U (en) * | 2010-08-23 | 2011-04-06 | 上海远安流体设备有限公司 | Sampling valve |
| CN202834174U (en) * | 2012-09-14 | 2013-03-27 | 福建沃隆管阀制造有限公司 | Manual sterile sampling valve structure |
| US20140001392A1 (en) * | 2010-01-15 | 2014-01-02 | Allpure Technologies, Inc. | Fluid Transfer Device |
| CN205298670U (en) * | 2015-12-10 | 2016-06-08 | 中国石油天然气股份有限公司 | Valve device and physical property analysis apparatus |
-
2015
- 2015-12-10 CN CN201510918368.0A patent/CN106870773B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1169590B1 (en) * | 1999-03-31 | 2004-06-23 | Ole Ostergaard Holding ApS | Valve and a method of closing a valve |
| US20140001392A1 (en) * | 2010-01-15 | 2014-01-02 | Allpure Technologies, Inc. | Fluid Transfer Device |
| CN201636389U (en) * | 2010-04-19 | 2010-11-17 | 大连津利流体设备开发有限公司 | Parallel dual-cutoff multifunctional instrument root valve |
| CN201788101U (en) * | 2010-08-23 | 2011-04-06 | 上海远安流体设备有限公司 | Sampling valve |
| CN202834174U (en) * | 2012-09-14 | 2013-03-27 | 福建沃隆管阀制造有限公司 | Manual sterile sampling valve structure |
| CN205298670U (en) * | 2015-12-10 | 2016-06-08 | 中国石油天然气股份有限公司 | Valve device and physical property analysis apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870773B (en) | 2019-10-11 |
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