CN207528283U - A kind of gas draining gas-metering device - Google Patents
A kind of gas draining gas-metering device Download PDFInfo
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- CN207528283U CN207528283U CN201721345803.6U CN201721345803U CN207528283U CN 207528283 U CN207528283 U CN 207528283U CN 201721345803 U CN201721345803 U CN 201721345803U CN 207528283 U CN207528283 U CN 207528283U
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Abstract
The utility model discloses a kind of gas draining gas-metering devices, the gas draining gas-metering device includes supporting rack, driving structure and the first gas collecting tube and the second gas collecting tube, the driving structure is vertically installed on support frame as described above, and the driving structure can export reciprocating motion circumferentially, first gas collecting tube is vertically symmetrically mounted on second gas collecting tube in the driving structure, it is reversely moved up and down in the driving lower edge of the driving structure, first gas collecting tube is connected with the bottom of second gas collecting tube, first gas collecting tube is internally provided with liquid with second gas collecting tube, first gas collecting tube is connected to air induction hose, second gas collecting tube is connected to air-out hose.The utility model can eliminate using gas draining measured when caused by fluid change measurement error.
Description
Technical field
The utility model is related to field of measuring technique, and in particular to a kind of gas draining gas-metering device.
Background technology
The rock core displacement test of oil, geological scientific research field R＆D units, high pressure property analysis experiment are required for accurate
Metering experimental system outlet gas production, for a long time, the metering always with tympanites, gas mass flow gauge, soap bubble flowmeter,
The methods of artificial gas draining is major way.Enraged scale division value is too big, low precision.Gas mass flow gauge is due to its operation principle
It being limited, for shortcoming it is also obvious that one, air inlet cannot be moist, and mass flowmenter metering can be caused inaccurate for air inlet moisture content or failure,
Two, flow velocity is in full scale 2% hereinafter, data are insincere.Soap bubble flowmeter, metering flow velocity is fine, and user trusts very much, but only measures
Flow velocity is unable to meter gaseous cumulant.Artificial gas draining can manually read glass tube scale, i.e. liquid level changes, it is also possible to balance
The liquid that gas draining comes out is collected, data are handled by computer acquisition, gas flow rate and gas cumulant can be calculated, usually
Do the preferred option of automatic gauge tolerance as user, but its scheme limitation, it is also obvious that one, meter gaseous total amount is limited,
It is limited by gas collection container size, metering total amount is limited, and possibly can not predict experiment meter gaseous total amount, possibly can not choose
The container of appropriate volume, also selected extracting container is bigger, and generally poorer to gas dosing precision, scale division value is bigger；Two, with gas
The increase of the scale of construction, liquid level variation, gas pressure have minor change, lead to not modified measurement error.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, embodiment according to the present utility model, provides a kind of gas draining gas-metering device, the gas draining gas
Metering device includes：
Supporting rack, to play a supportive role；
Driving structure, the driving structure are vertically installed on support frame as described above, and the driving structure can export edge
Circumferential reciprocating motion；And
First gas collecting tube and the second gas collecting tube, first gas collecting tube are vertically symmetrically mounted on second gas collecting tube
It in the driving structure, is reversely moved up and down in the driving lower edge of the driving structure, first gas collecting tube and described the
The bottom connection of two gas collecting tubes, first gas collecting tube are internally provided with liquid, first gas collecting tube with second gas collecting tube
Air induction hose is connected to, second gas collecting tube is connected to air-out hose.
As the further alternative of the gas draining gas-metering device, support frame as described above includes：
Pedestal；And
Riser, the riser are vertically arranged on the pedestal.
As the further alternative of the gas draining gas-metering device, the driving structure includes：
Driving motor, the driving motor are mounted on the riser；And
Toothed belt transmission component, the toothed belt transmission component are vertically installed on the riser, the toothed belt transmission
Component is connected with the output terminal of the driving motor, and the rotation of the toothed belt transmission component is driven by the driving motor.
As the further alternative of the gas draining gas-metering device, the toothed belt transmission component is included actively
Wheel, driven wheel and synchronous belt, the driving wheel are separately positioned on the upper and lower ends of the riser, and the master with the driven wheel
Driving wheel is connected with the output shaft of the driving motor, by the rotation of driving motor driving driving wheel.
As the further alternative of the gas draining gas-metering device, first gas collecting tube and the described second collection
Tracheae is fixedly connected on the synchronous belt.
As the further alternative of the gas draining gas-metering device, the air induction hose is damped equipped with air inlet
Device avoids generating gas blowout.
As the further alternative of the gas draining gas-metering device, the gas draining gas-metering device also wraps
Metering device is included, for the metering device for gas to be detected and calculated, the metering device includes video camera, control list
Member and computer, the video camera, computer, control unit and driving motor are sequentially connected, and the video camera setting is described
The front of first gas collecting tube either the second gas collecting tube is for monitoring the liquid level situation in the first gas collecting tube or the second gas collecting tube simultaneously
Image information is exported, the computer receives described image information to control control unit, described control unit control driving electricity
The main shaft of machine is rotated, and the angle information of the main shaft rotation is received by the computer.
As the further alternative of the gas draining gas-metering device, first gas collecting tube or second collection
The bottom of tracheae is additionally provided with lamp plate, and the lamp plate is used to provide light so that the video camera is monitored.
As the further alternative of the gas draining gas-metering device, the gas draining gas-metering device also wraps
Reversal valve is included, the reversal valve is connected between air induction hose and the first gas collecting tube and air-out hose and the second gas collecting tube, institute
Reversal valve is stated for changing air inlet or the flow direction of outlet.
As the further alternative of the gas draining gas-metering device, the reversal valve commutates for two-position four-way
Valve.
The beneficial effects of the utility model：
According to the gas draining gas-metering device in above example, since the first gas collecting tube and the second gas collecting tube are driving
It can be formed under the driving effect of structure along reversely moving up and down, and the first gas collecting tube is connected with the bottom of the second gas collecting tube
Linker, so that when gas is entered by air induction hose oppresses liquid in the first gas collecting tube, pass through driving structure tune
The height of whole first gas collecting tube, enables to the liquid level in the first gas collecting tube to remain unchanged, so as to eliminate due to fluid change
Caused by measurement error.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the front view of a kind of gas draining gas-metering device provided according to the utility model embodiment；
Fig. 2 shows the side views of a kind of gas draining gas-metering device provided according to the utility model embodiment；
Fig. 3 shows to be in first limit according to a kind of gas draining gas-metering device that the utility model embodiment is provided
The schematic diagram of position；
Fig. 4 shows to be in second limit according to a kind of gas draining gas-metering device that the utility model embodiment is provided
The schematic diagram of position.
Main element symbol description：
100- supporting racks；200- driving structures；The first gas collecting tubes of 300-；The second gas collecting tubes of 400-；500- air induction hoses；
600- air-out hoses；700- connects hose；800- air inlet dampers；900- metering devices；110- bottom plates；120- risers；210-
Driving motor；220- driving wheels；230- driven wheels；240- synchronous belts；910- video cameras；920- control units；930- computers；
940- lamp plates；1000- reversal valves.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that the utility model
Limitation.
In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on shown in the drawings
Orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature right over second feature or oblique upper or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is fisrt feature immediately below second feature or obliquely downward or is merely representative of fisrt feature level height less than second feature.
Embodiment
Present embodiments provide a kind of gas draining gas-metering device.
It please refers to Fig.1, which includes supporting rack 100, driving structure 200, the first gas collecting tube 300
And second gas collecting tube 400.
Wherein, supporting rack 100 is playing a supportive role.Driving structure 200 is vertically installed on supporting rack 100, and is driven
Structure 200 can export reciprocating motion circumferentially.First gas collecting tube 300 is vertically symmetrically mounted on the second gas collecting tube 400
It in driving structure 200, is reversely moved up and down in the driving lower edge of driving structure 200, the first gas collecting tube 300 and the second gas collecting tube
400 bottom connection, the first gas collecting tube 300 and the second gas collecting tube 400 are internally provided with liquid, the first gas collecting tube 300 be connected into
Gas hose 500, the second gas collecting tube 400 are connected to air-out hose 600.
In this way, since the first gas collecting tube 300 and the second gas collecting tube 400 being capable of edges under the driving effect of driving structure 200
It reversely moves up and down, and the first gas collecting tube 300 is connected with the bottom of the second gas collecting tube 400, forms linker, so that when
When gas enters compressing liquid in the first gas collecting tube 300 by air induction hose 500, pass through first collection of the adjustment of driving structure 200
The height of tracheae 300 enables to the liquid level in the first gas collecting tube 300 to remain unchanged, so as to eliminating due to fluid change and
Caused measurement error.
More specifically, when the first gas collecting tube 300 and the second gas collecting tube 400 are in initial position, the initial position is most
It is set to the first gas collecting tube 300 and the second gas collecting tube 400 well at sustained height, at this time convenient for starting measurement count, to be simultaneously
Description is convenient, altitude location balance height that liquid level at this time is existed together, metal line positioning balanced line.When begin with gas into
When entering into the first gas collecting tube 300, gas first can slowly be full of in ullage space, with more gases into
Enter, the volume of gas increases, and gas will oppress liquid level, when liquid level will start variation, by the way that driving structure 200 is controlled to transport
Then the first gas collecting tube 300 is increased, the entrance for gas provides more spaces so that the liquid level that should be depressed obtains
To improve, while the second gas collecting tube 400 reduces, and is always ensured that the height of the first gas collecting tube 300 rising with after in above process
Next increased tolerance is suitable, and the liquid in the first gas collecting tube 300 can be remained thus by the first gas collecting tube 300 of continuous raising
Face is constant, that is, is constantly on balanced line, can so eliminate in metering, be measured and missed caused by fluid change
Difference.
It in some embodiments, can be in order to realize the connection of 400 bottom of the first gas collecting tube 300 and the second gas collecting tube
First gas collecting tube 300 connect a connection hose 700 with the bottom of the second gas collecting tube 400.
It should be noted that in other embodiments, the position of the first gas collecting tube 300 and the second gas collecting tube 400 can be right
It adjusts, air induction hose 500 is connected to by the second gas collecting tube 400, and the first gas collecting tube 300 is connected to air-out hose 600, passes through at this time
Control driving structure 200, which drives the second gas collecting tube 400 to carry out rising, can realize purpose similar to the above.
Furthermore it is possible to be appreciated that, in above process, the position that the first gas collecting tube 300 or the second gas collecting tube 400 rise
It moves with the increased total amount of gas in correspondence, the metering of gas can be realized by the risen displacement of monitoring at this time,
It is as detailed below described.
Please continue to refer to Fig. 1, in the utility model embodiment, supporting rack 100 includes pedestal 110 and is vertically arranged in
Riser 120 on pedestal 110, aforementioned driving structure 200 are just mounted on the riser 120.
Specifically, driving structure 200 includes driving motor 210 and toothed belt transmission component.
Wherein, driving motor 210 is mounted on riser 120.Toothed belt transmission component is vertically installed on riser 120, together
Step V belt translation component is connected with the output terminal of driving motor 210, and the rotation of toothed belt transmission component is driven by driving motor 210.
In this way, by the effect of driving motor 210, toothed belt transmission component can be driven to be done in vertical plane around circumferential
It circumferentially rotates.
Further, toothed belt transmission component include driving wheel 220, driven wheel 230 and synchronous belt 240, driving wheel 220 with
Driven wheel 230 is separately positioned on the upper and lower ends of riser 120, and driving wheel 220 is connected with the output shaft of driving motor 210, by
Driving motor 210 drives the rotation of driving wheel 220.
In this way, by the effect of driving motor 210, driving wheel 220 can be driven to rotate, and synchronous belt 240 is directly to cover
It is located between driving wheel 220 and driven wheel 230, thereby realizes the rotation of synchronous belt 240.At this time by the first gas collecting tube
300 and second gas collecting tube 400 be respectively installed on synchronous belt 240, you can realize the first gas collecting tube 300 and the second gas collecting tube
400 in vertical elevating movement.
In some embodiments, the first gas collecting tube 300 and the second gas collecting tube 400 are directly fixedly mounted on together by screw
It walks on band 240.Certainly, in other embodiments, the first gas collecting tube 300 can also use strong Nian Jie with the second gas collecting tube 400
Agent or other connection structures and realize and be fixedly connected with synchronous belt 240.
In some embodiments, air inlet damper 800 is additionally provided on air induction hose 500, the air inlet damper 800
In the presence of can prevent from generating the adverse consequences such as gas blowout when carrying out gas dosing.
In some embodiments, driving motor 210 preferably uses servo motor or stepper motor, described above in this way
The first gas collecting tube 300 or the displacement that is risen of the second gas collecting tube 400 can be carried out accurate measurement well.
In the utility model embodiment, in order to complete above-mentioned detection, the first gas collecting tube 300 or the second gas collecting tube
400 displacements risen can be converted into the increased total amount of gas and servo motor with correspondence caused by the increased total amount of gas
Either the angular displacement relationship of stepper motor can be realized thus by the angular displacement of monitoring servo motor or stepper motor to gas
The gage work of body.
Specifically, please also refer to Fig. 2, gas draining gas-metering device further includes metering device 900, metering device 900
For being detected and calculating to gas, metering device 900 includes video camera 910, control unit 920 and computer 930, camera shooting
Machine 910, computer 930, control unit 920 and driving motor 210 are sequentially connected, and video camera 910 is arranged on the first gas collecting tube 300
Either the front of the second gas collecting tube 400 is for monitoring the liquid level situation in the first gas collecting tube 300 or the second gas collecting tube 400 simultaneously
Image information is exported, computer 930 receives image information to control control unit, and control unit 920 controls driving motor 210
Main shaft is rotated, and the angle information of main shaft rotation is received by computer 930.
In the utility model embodiment, metering device 900 is exactly by detecting servo motor or stepper motor
Angular displacement information carrys out the final purpose for realizing gas dosing.Specifically, above-mentioned video camera 910 is mainly used for monitoring the first gas collecting tube
300 level information, when having gas to enter the first gas collecting tube 300 and liquid level is caused to change, video camera 910 obtains should
The image information of fluid change, and the image information is transmitted in computer 930, computer 930 is controlled according to image information
Control unit 920 processed, so as to which the main shaft for controlling driving motor 210 (servo motor or stepper motor) is rotated and causes first
Gas collecting tube 300 rises, and the second gas collecting tube 400 declines, and remaining unchanged so as to reaching aforementioned liquid level is constantly on balanced line
Purpose.
Further, it is preceding in the embodiment exchanged in the position of the first gas collecting tube 300 and the second gas collecting tube 400
State the front that video camera 910 may be provided at the second gas collecting tube 400.
Further, in some embodiments, in the bottom of the first gas collecting tube 300 or the second gas collecting tube 400 also
Equipped with lamp plate 940, which is vertically directly installed on riser 120, and the presence of the lamp plate 940 can provide enough pipes
Line enough clearly image informations so that video camera 910 obtains.
In some embodiments, the control modes such as PLC controls or microcontroller can be used in above-mentioned control unit 920.
In the utility model embodiment, in order to realize pair of above-mentioned first gas collecting tube, 300 and second gas collecting tube 400
It adjusts, which further includes reversal valve 1000, which is connected to the collection of air induction hose 500 and first
Between 600 and second gas collecting tube 400 of tracheae 300 and air-out hose, the stream of air inlet or outlet can be changed by reversal valve 1000
To.
In this way, the effect by the reversal valve 1000 can be in real time to the first gas collecting tube 300 and the second gas collecting tube 400
Role transforming is carried out, such as when proceeding by gas dosing, the flow direction of air inlet is：Air induction hose 500- reversal valves 1000-
One gas collecting tube 300- connection hose 700- the second gas collecting tube 400- reversal valve 1000- air-out hoses 600, can by switching reversal valve
So that the flow direction of air inlet is：Air-out hose 600- reversal valves the second gas collecting tubes of 1000- 400- connects hose the first gas collecting tubes of 700-
300- reversal valve 1000- air induction hoses 500, this is of great significance in a large amount of gas dosing, passes through reversal valve 1000
Effect can realize continuous continual metering, realize endless metering to gas.
Below in conjunction with Fig. 1,3-4 is to the course of work of the gas draining gas-metering device in the utility model embodiment
It is described further.
Referring first to Fig. 1, the flow direction of air inlet at this time is：Air induction hose 500- reversal valves the first gas collecting tubes of 1000- 300-
Connect hose 700- the second gas collecting tube 400- reversal valve 1000- air-out hoses 600, while the first gas collecting tube 300 and the second gas collection
Pipe 400 is in sustained height, i.e. liquid level in the first gas collecting tube 300 and the second gas collecting tube 400 is on balanced line.When start into
During row gas dosing, top that the gas that gradually increases will be concentrated in liquid level in the first gas collecting tube 300, with increasing for gas
Liquid level will gradually be oppressed and cause liquid level that there is the trend reduced, at this time by the effect of driving structure 200 come first
Gas collecting tube 300 rises and makes up above-mentioned trend so that the first gas collecting tube 300 is remained unchanged with the liquid level in the second gas collecting tube 400.
With the continuous rising of the first gas collecting tube 300, when the first gas collecting tube 300 rises to the extreme position in top, while
Two gas collecting tubes 400 are also at the extreme position of lower section, as shown in Figure 3.Then switch reversal valve 1000 so that the flow direction of air inlet becomes
For：Air-out hose 600- reversal valves the second gas collecting tubes of 1000- 400- connection hose 700- the first gas collecting tube 300- reversal valves 1000-
Air induction hose 500, at this time gas start to enter in metering device from air-out hose 600 again, oppress the second gas collecting tube 400 in
Liquid level, then risen, while the first gas collecting tube 300 declines by 200 second gas collecting tube 400 of driving structure, when the second gas collection
When pipe 400 goes up the extreme position in top, the first gas collecting tube 300 is also at the extreme position of lower section, as shown in Figure 4.
The utility model is exactly to realize the nothing to gas by the alternating action of above-mentioned first gas collecting tube, 300 and second gas collecting tube 400
Limitation metering.
In some embodiments, in order to ensure the reliability of 400 position of the first gas collecting tube 300 and the second gas collecting tube,
The extreme position of top and lower section can be positioned proximate to switch.
The above embodiment of the utility model utilizes image recognition processing technology, servo control technique, automatic transfer valve
Technology, computer and software controlling technique improve the method for most classical artificial gas drainage metering, realize gas draining gas
Installation high-precision measuring, total amount metering, continuous endless metering.To solving oil R＆D units rock core exit gas meter
High-precision, automation are realized in amount, the metering of PVT Physical Property Analysis gas gross, and the metering of big gas gross provides good solution
Scheme and product.The utility model is of great significance in fields such as petroleum science and technology equipments.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It combines in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the different embodiments or examples described in this specification and the feature of different embodiments or examples into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be construed as a limitation of the present invention, those of ordinary skill in the art are in the scope of the utility model
It is interior to make changes, modifications, substitutions and variations to the above described embodiments.
Claims (10)
1. a kind of gas draining gas-metering device, which is characterized in that including：
Supporting rack, to play a supportive role；
Driving structure, the driving structure are vertically installed on support frame as described above, and the driving structure can export circumferentially
Reciprocating motion；And
First gas collecting tube and the second gas collecting tube, first gas collecting tube are vertically symmetrically mounted on described with second gas collecting tube
It in driving structure, is reversely moved up and down in the driving lower edge of the driving structure, first gas collecting tube and the described second collection
The bottom connection of tracheae, first gas collecting tube are internally provided with liquid, the first gas collecting tube connection with second gas collecting tube
In air induction hose, second gas collecting tube is connected to air-out hose.
2. gas draining gas-metering device as described in claim 1, which is characterized in that support frame as described above includes：
Pedestal；And
Riser, the riser are vertically arranged on the pedestal.
3. gas draining gas-metering device as claimed in claim 2, which is characterized in that the driving structure includes：
Driving motor, the driving motor are mounted on the riser；And
Toothed belt transmission component, the toothed belt transmission component are vertically installed on the riser, the toothed belt transmission component
It is connected with the output terminal of the driving motor, the rotation of the toothed belt transmission component is driven by the driving motor.
4. gas draining gas-metering device as claimed in claim 3, which is characterized in that the toothed belt transmission component includes master
Driving wheel, driven wheel and synchronous belt, the driving wheel are separately positioned on the upper and lower ends of the riser with the driven wheel, and described
Driving wheel is connected with the output shaft of the driving motor, by the rotation of driving motor driving driving wheel.
5. gas draining gas-metering device as claimed in claim 4, which is characterized in that first gas collecting tube and described second
Gas collecting tube is fixedly connected on the synchronous belt.
6. gas draining gas-metering device as described in claim 1, which is characterized in that the air induction hose is equipped with into vapour lock
Buddhist nun's device avoids generating gas blowout.
7. gas draining gas-metering device as claimed in claim 3, which is characterized in that the gas draining gas-metering device is also
Including metering device, for the metering device for gas to be detected and calculated, the metering device includes video camera, control
Unit and computer, the video camera, computer, control unit and driving motor are sequentially connected, and the video camera setting is in institute
The front of the first gas collecting tube either the second gas collecting tube is stated for monitoring the liquid level situation in the first gas collecting tube or the second gas collecting tube
And image information is exported, the computer receives described image information to control control unit, described control unit control driving
The main shaft of motor is rotated, and the angle information of the main shaft rotation is received by the computer.
8. gas draining gas-metering device as claimed in claim 7, which is characterized in that first gas collecting tube or described second
The bottom of gas collecting tube is additionally provided with lamp plate, and the lamp plate is used to provide light so that the video camera is monitored.
9. the gas draining gas-metering device as described in any one of claim 1-7, which is characterized in that the gas draining gas
Metering device further includes reversal valve, and the reversal valve is connected to air induction hose and the first gas collecting tube and air-out hose and the second collection
Between tracheae, the reversal valve is for changing air inlet or the flow direction of outlet.
10. gas draining gas-metering device as claimed in claim 9, which is characterized in that the reversal valve is changed for two-position four-way
To valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721345803.6U CN207528283U (en) | 2017-10-18 | 2017-10-18 | A kind of gas draining gas-metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721345803.6U CN207528283U (en) | 2017-10-18 | 2017-10-18 | A kind of gas draining gas-metering device |
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| Publication Number | Publication Date |
|---|---|
| CN207528283U true CN207528283U (en) | 2018-06-22 |
Family
ID=62568808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721345803.6U Active CN207528283U (en) | 2017-10-18 | 2017-10-18 | A kind of gas draining gas-metering device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588818A (en) * | 2017-10-18 | 2018-01-16 | 涂勇 | A kind of gas draining gas-metering device |
| CN109708707A (en) * | 2019-02-20 | 2019-05-03 | 中国海洋石油集团有限公司 | A kind of gas flow surveying instrument and measurement method |
-
2017
- 2017-10-18 CN CN201721345803.6U patent/CN207528283U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588818A (en) * | 2017-10-18 | 2018-01-16 | 涂勇 | A kind of gas draining gas-metering device |
| CN109708707A (en) * | 2019-02-20 | 2019-05-03 | 中国海洋石油集团有限公司 | A kind of gas flow surveying instrument and measurement method |
| CN109708707B (en) * | 2019-02-20 | 2020-10-13 | 中国海洋石油集团有限公司 | Gas flow measuring device and measuring method |
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