CN108982169A - Gas sample bottle and its application method - Google Patents
Gas sample bottle and its application method Download PDFInfo
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- CN108982169A CN108982169A CN201810510826.0A CN201810510826A CN108982169A CN 108982169 A CN108982169 A CN 108982169A CN 201810510826 A CN201810510826 A CN 201810510826A CN 108982169 A CN108982169 A CN 108982169A
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- straight
- check valve
- gas
- bottle
- sample
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
- G01N2001/2217—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption using a liquid
Abstract
The present invention relates to gas sampling technique fields, provide a kind of gas sample bottle and its application method, the gas sample bottle include: bottle body, the inner cover for forming with bottle body inner cavity, for when acquire gas sample gas sample enter the check valve of inner cavity, the straight-through gas nozzle for the liquid discharge when acquire gas sample in inner cavity, the rubber casing for seal feed-through gas nozzle and cover outer cover of the conjunction on bottle body；Check valve and straight-through gas nozzle are set on inner cover, form the exocoel for being accommodated in the inner check valve and straight-through gas nozzle after outer cover and the conjunction of bottle body lid；Check valve includes straight check valve and diaphragm check valve, and the outlet end of diaphragm check valve is connected to inner cavity, and the arrival end of diaphragm check valve is connected with the outlet end of straight check valve.The present invention can be realized the isolation of gaseous sample and outside air in bottle, guarantee the hi-fi of gaseous sample, meanwhile, gas sample bottle structure provided by the invention is simple, and Sizes are easy to carry, and easy to operate, scene is adaptable.
Description
Technical field
The invention belongs to gas sampling technique field more particularly to a kind of gas sample bottle and its application methods.
Background technique
Under global warming and the background of environmental pollution, world energy sources structure is just experiencing a deep reform, day
Right gas will gradually occupy leading position in energy-consuming.Currently, the research Fang Xing of natural gas (especially Unconventional gas)
It does not end, obtaining reliable gaseous sample is before carrying out the basic research such as gas component analysis, origin cause of formation differentiation, maturity measurement
It mentions, can further be studied for the analysis of development physicochemical properties, Migration research, resource potential and workability evaluation etc.
Advantageous basis is established in work.
Currently, gas sample bottle is mainly the combination of bottle body and bottle cap, bottle cap silicone rubber seal gasket also has part to take
Sample bottle replaces bottle cap with rubber plug.This gas sample bottle air-tightness is poor, and sample purity will receive certain influence, especially right
The sample effects placed for a long time are bigger.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of gas sample bottle and its application methods, to solve the prior art
The poor problem of middle gas sample bottle air-tightness.
The first aspect of the embodiment of the present invention provides a kind of gas sample bottle, comprising: bottle body forms inner cavity with bottle body
Inner cover, for when acquiring gas sample gas sample enter the check valve of inner cavity, for when acquiring gas sample in inner cavity
Straight-through gas nozzle, the rubber casing for seal feed-through gas nozzle and the lid of liquid discharge close outer cover on bottle body；
Check valve and straight-through gas nozzle are set on inner cover, are formed after outer cover and the conjunction of bottle body lid and are held check valve and straight-through gas nozzle
It is contained in interior exocoel；
Check valve includes straight check valve and diaphragm check valve, and the outlet end of diaphragm check valve is connected to inner cavity, diaphragm list
The outlet end of arrival end and straight check valve to valve is connected.
Optionally, bottle body includes insulating layer.
Optionally, gas sample bottle further includes being set to the first sealing ring of inner cover and straight-through gas nozzle junction and being set to interior
Second sealing ring of lid and bottle body junction.
Optionally, gas sample bottle further includes the attachment device connecting with the arrival end of straight check valve, and attachment device is used
In the connection air inlet pipe matched with straight check valve when acquiring gaseous sample.
Optionally, the shape for leading directly to the inside point of gas nozzle is cylindrical body, and the outer shape for leading directly to gas nozzle is cone.
Optionally, the aperture for leading directly to gas nozzle is 1.5 centimetres.
Optionally, the material of bottle body, inner cover, straight-through gas nozzle and outer cover is stainless steel.
Optionally, the material of check valve is polyurethane.
Optionally, outer cover is connected through a screw thread with bottle body.
The second aspect of the embodiment of the present invention provides a kind of application method of above-mentioned gas sampling bottle, comprising:
Before acquiring gaseous sample, outer cover is opened, opens rubber casing, is filled by straight-through gas nozzle to the inner cavity of bottle body
Saturated brine；
When acquiring gaseous sample, air inlet pipe matched with straight check valve is connect with straight check valve；
Downward, gaseous sample passes through straight check valve under external force for one end where holding gas sample Cover inside the bottle,
The diaphragm for opening diaphragm check valve into the inner cavity of bottle body, while making saturated brine pass through straight-through gas nozzle discharge；
After acquiring gaseous sample, air inlet pipe is extracted, and by rubber sleeve pipe sleeve on straight-through gas nozzle, at this point, bottle body
Inside retain part saturated brine；
Outer cover is covered, and one end where keeping gas sample bottle outer cover is placed downward；
When needing to take out gaseous sample, outer cover is opened, removes the rubber casing on straight-through gas nozzle；
Gaseous sample is extracted by straight-through gas nozzle using sampling probe；
After extraction, rubber casing is put on again, covers outer cover, and keeps one end court where gas sample bottle outer cover
Lower placement.
Existing beneficial effect is the embodiment of the present invention compared with prior art: the embodiment of the invention provides a kind of gases
Sampling bottle, comprising: bottle body, with bottle body formed inner cavity inner cover, for when acquiring gas sample gas sample enter inner cavity
Check valve, for when acquiring gas sample in inner cavity liquid discharge straight-through gas nozzle, for the rubber of seal feed-through gas nozzle
Casing and lid close the outer cover on bottle body；Check valve and straight-through gas nozzle are set on inner cover, and being formed after outer cover and the conjunction of bottle body lid will
The exocoel that check valve and straight-through gas nozzle are accommodated in the inner；Check valve includes straight check valve and diaphragm check valve, diaphragm check valve
Outlet end is connected to inner cavity, and the arrival end of diaphragm check valve is connected with the outlet end of straight check valve.The embodiment of the present invention provides
Gas sample bottle bottle body, inner cover, the check valve straight check valve that includes and diaphragm check valve, straight-through gas nozzle, rubber casing
An enclosed construction is formed, the poor problem of existing gas sample bottle air-tightness is can solve, can be realized gas sample in bottle
The isolation of product and outside air guarantees the hi-fi of gaseous sample, meanwhile, the gas sample bottle structure is simple, Sizes,
Easy to carry, easy to operate, scene is adaptable.In addition, gas sample bottle further includes outer cover, outer cover is convenient for gas sample bottle
It puts upside down.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the gas sample bottle that one embodiment of the invention provides；
Fig. 2 is the schematic diagram of internal structure for the gas sample bottle that one embodiment of the invention provides；
Fig. 3 is the flow diagram of the application method for the gas sample bottle that one embodiment of the invention provides.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The structural representation of the gas sample bottle 1 of one embodiment of the invention offer is provided also referring to Fig. 1 and Fig. 2, Fig. 1
Figure, Fig. 2 shows the schematic diagram of internal structures for the gas sample bottle that one embodiment of the invention provides.Now the embodiment of the present invention is mentioned
The gas sample bottle of confession is illustrated.The gas sample bottle 1, comprising: bottle body 101, the inner cover that inner cavity is formed with bottle body 101
102, for when acquiring gas sample gas sample enter inner cavity check valve 103, for when acquiring gas sample inner cavity
In straight-through gas nozzle 104, the rubber casing 105 for seal feed-through gas nozzle and the lid of liquid discharge close outer cover on bottle body
106；
Check valve 103 and straight-through gas nozzle 104 are set on inner cover 102, and outer cover 106 is formed after closing with the lid of bottle body 101 will be single
The exocoel being accommodated in the inner to valve 103 and straight-through gas nozzle 104；
Check valve 103 include straight check valve 1031 and diaphragm check valve 1032, the outlet end of diaphragm check valve 1032 with
Inner cavity connection, the arrival end of diaphragm check valve 1032 are connected with the outlet end of straight check valve 1031.
In embodiments of the present invention, the liquid in inner cavity can be saturated brine.
In embodiments of the present invention, straight check valve 1031 and diaphragm that bottle body 101, inner cover 102, check valve 103 include
Check valve 1032, straight-through gas nozzle 104, rubber casing 105 form an enclosed construction, ensure that the air-tightness of gas sample bottle 1,
The isolation that can be realized gaseous sample and outside air in bottle guarantees the hi-fi of gaseous sample, meanwhile, it is provided by the invention
Gas sample bottle structure is simple, and Sizes are easy to carry, easy to operate, and scene is adaptable.In addition, gas sample bottle packet
Outer cover 106 is included, outer cover 106 makes gas sample bottle convenient for putting upside down.
As further embodiment of this invention, referring to Fig. 2, bottle body 101 includes insulating layer 107.
In embodiments of the present invention, insulating layer 107 is the small light material of thermal coefficient, has anti-flammability, thermal insulation, no
The advantages that permeability, strong leakproofness.Insulating layer 107 can play the role of adiabatic heat-insulation, even if also can in the environment of high temperature
Ensure the constant of 1 internal temperature of gas sample bottle, reduces influence of the external high temperature to sampling process, meanwhile, insulating layer 107 is set
Meter makes gaseous sample be in metastable environment always, can ensure that the low diffusion of gaseous sample, is conducive to the length of gaseous sample
Phase saves.
As further embodiment of this invention, referring to Fig. 2, gas sample bottle 1 further includes being set to inner cover 102 and straight-through gas nozzle
First sealing ring 108 of 104 junctions and the second sealing ring 109 set on 101 junction of inner cover 102 and bottle body.
In embodiments of the present invention, the first sealing ring 108 and the second sealing ring 109 can be O-ring.By in inner cover
102 and 104 junction of straight-through gas nozzle increase by the first sealing ring 108, increase by the second sealing in inner cover 102 and 101 junction of bottle body
Circle 109, further ensures the leakproofness of gas sample bottle.
As further embodiment of this invention, Fig. 1 and Fig. 2 are please referred to, gas sample bottle 1 further includes and straight check valve 1031
Arrival end connection attachment device 110, attachment device 110 be used for when acquire gaseous sample connection and straight check valve 1031
Matched air inlet pipe.
As further embodiment of this invention, the shape for leading directly to the inside point of gas nozzle 104 is cylindrical body, leads directly to gas nozzle 104
Outer shape be cone.
In embodiments of the present invention, the outer shape of straight-through gas nozzle 104 is designed to cone, that is, up-thin-low-thick shape
Shape facilitates rubber casing 105 to be set on straight-through gas nozzle 104.
As further embodiment of this invention, the aperture for leading directly to gas nozzle 104 is 1.5 centimetres.
In embodiments of the present invention, by the diameter design of the cylindrical body of the inside of straight-through gas nozzle 104 point at 1.5 centimetres,
It can be made to meet the requirement of capillarity, its application environment is made to meet three-phase circumference condition.In the process of acquisition gaseous sample
In, the gas pressure Compositional balance system inside capillary force, saturated brine gravity, aerostatic buoyancy, bottle body at straight-through gas nozzle 104
System, cannot be introduced into air inside bottle body；In gaseous sample placement process, rubber casing 105 closes straight-through gas nozzle 104,
There is capillary effect in straight-through 104 inner wall of gas nozzle, rubber casing 105 and straight-through 104 outer wall of gas nozzle, ensure that gas sample bottle
Leakproofness.
As further embodiment of this invention, bottle body 101, inner cover 102, straight-through gas nozzle 104 and outer cover 106 material be not
Become rusty steel.
In embodiments of the present invention, the material of bottle body 101, inner cover 102, straight-through gas nozzle 104 and outer cover 106 is anti-gas
The stainless steel of corrosion, while metal rusting caused by water can be prevented, increase gas sample bottle resistant to high temperatures, ambient pressure and impact force
Ability, and have the function of it is explosion-proof, can reduce sampling failure risk, extend gas sample bottle life cycle.It is stainless
More closely compared to the material of glass and plastics, internal gaseous sample is not easy to spread to outside the microcosmic composition of steel material,
It is more advantageous to the long-term retention of gaseous sample, enables gas sample bottle repeatedly Reusability for a long time.
As further embodiment of this invention, the material of check valve 103 is polyurethane.
In embodiments of the present invention, the material of check valve 103 is etch-proof polyurethane, and check valve 103 can be made not by gas
Body corrosion.
As further embodiment of this invention, referring to Fig. 1, outer cover 106 is connected through a screw thread with bottle body 101.
In embodiments of the present invention, outer cover 106 is connected through a screw thread with bottle body 101, makes the opening or lid composition and division in a proportion of outer cover 106
It is more convenient, and since in gaseous sample placement process, the needs of gas sample bottle 1 are put upside down, and outer cover 106 and bottle body 101 pass through screw thread
Connection, during putting upside down, outer cover 106 is not easily to fall off, and the presence of outer cover 106 keeps putting upside down for gas sample bottle 1 more convenient.
Fig. 3 is the flow diagram of the application method for the above-mentioned gas sampling bottle that one embodiment of the invention provides, in order to just
In explanation, only parts related to embodiments of the present invention are shown.As shown in figure 3, this method may comprise steps of:
Step S301: before acquiring gaseous sample, opening outer cover, open rubber casing, by leading directly to gas nozzle to bottle body
Inner cavity fill saturated brine.
In embodiments of the present invention, gas sample bottle acquires gaseous sample using row's saturated salt water law, therefore, in acquisition gas
Before body sample, saturated brine is filled in the inner cavity of bottle body first, the air of the inner cavity of bottle body is discharged.The presence of saturated brine
The dissolution of gaseous sample and air can be reduced, while the gaseous sample of high temperature can also be made to be cooled down.
In embodiments of the present invention, also can be used can reach other liquid of equivalent effect with saturated brine to replace satisfying
And salt water.
Step S302: when acquisition gaseous sample, air inlet pipe matched with straight check valve is connect with straight check valve.
In embodiments of the present invention, when acquiring gaseous sample, gaseous sample can enter the inner cavity of bottle body by air inlet pipe.
As further embodiment of this invention, when acquiring gaseous sample, will air inlet pipe matched with straight check valve with connect
Device is attached.
In embodiments of the present invention, the arrival end of attachment device and straight check valve connects, and air inlet pipe is filled by the connection
It sets and is connect with straight check valve, gaseous sample is made to enter the inner cavity of bottle body by air inlet pipe.
Step S303: downward, gaseous sample passes through directly one end where holding gas sample Cover inside the bottle under external force
Logical check valve, opens the diaphragm of diaphragm check valve, into the inner cavity of bottle body, while saturated brine being made to pass through straight-through gas nozzle discharge.
In embodiments of the present invention, during acquiring gaseous sample, one end where gas sample Cover inside the bottle is kept
Downward, i.e. gas sample bottle is put upside down.Gaseous sample passes through straight check valve under external force, open diaphragm check valve every
Film, into the inner cavity of bottle body, in this process, due to the presence of capillary effect at straight check valve and diaphragm check valve,
Outside air cannot be introduced into inside bottle body；Inside capillary force, saturated brine gravity, aerostatic buoyancy, bottle body at straight-through gas nozzle
Gas pressure Compositional balance system, cannot be introduced into air inside bottle body, when the intracorporal gaseous sample of bottle increases, in bottle body
The gas pressure in portion increases, and saturated brine is caused to pass through straight-through gas nozzle discharge.For gaseous sample during acquisition, there is no skies
The contact of gas is mixed into, and ensure that the hi-fi of gaseous sample.
Step S304: after acquisition gaseous sample, air inlet pipe being extracted, and by rubber sleeve pipe sleeve on straight-through gas nozzle,
At this point, the inside of bottle body retains part saturated brine.
In embodiments of the present invention, after gaseous sample acquisition, part saturated brine is still retained inside bottle body, for mentioning
The ambient condition of capillary effect is generated for leading directly at gas nozzle and check valve, while also providing the reversed liquid for sealing gaseous sample up for safekeeping
Body pressure.After gaseous sample acquires, air inlet pipe is extracted, the diaphragm self-closed of diaphragm check valve, and by rubber casing
It covers on straight-through gas nozzle, for closing straight-through gas nozzle, the outer wall close contact of rubber casing and straight-through gas nozzle, while meeting capillary
The condition of tube effect, the capillary force led directly at gas nozzle further ensure the air-tightness of gas sample bottle.
Step S305: covering outer cover, and one end where keeping gas sample bottle outer cover is placed downward.
After gaseous sample acquisition, outer cover is covered, while keeping one end where gas sample bottle outer cover downward
It places, i.e., gas sample bottle is put upside down.Due to still retaining part saturated brine in bottle, which can be used as gas
The barrier of sample escape, the embodiment of the present invention are closed using reversed liquid pressure on gas sample, can be realized gas sample
Gaseous sample is isolated with extraneous in product acquisition and carrying process, guarantees that gaseous sample is not contaminated.
Step S306: when needing to take out gaseous sample, opening outer cover, removes the rubber casing on straight-through gas nozzle.
Step S307: gaseous sample is extracted by straight-through gas nozzle using sampling probe.
When needing to take out gaseous sample, gaseous sample is directly extracted by straight-through gas nozzle using sampling probe.Sampling
In the process, still bottle body is kept to put upside down.Due to lead directly to capillary force at gas nozzle, saturated brine gravity, aerostatic buoyancy, inside bottle body
Gas pressure is in equilibrium state, and therefore, in sampling process, gas sample bottle remains airtightness.Taking after the completion of sampling
Gaseous sample in sample needle is since the presence of capillary force is without by air pollution.
Step S308: after extraction, putting on rubber casing again, cover outer cover, and keeps gas sample bottle outer cover institute
One end place downward.
After sampling, rubber casing is put on again, is kept the airtightness of gas sample bottle, is covered outer cover, and keep gas
One end where body sampling bottle outer cover is placed downward, i.e., gas sample bottle is put upside down.Gaseous sample in gas sample bottle can be with
Multiple Reusability.
Gas sample bottle in the embodiment of the present invention acquires gaseous sample using the method for row's saturated brine, can be realized
The strong airtightness of gas sample bottle and the hi-fi of gaseous sample.Capillary effect, the sealing process of saturated brine and saturation
Salt water can ensure that the strong airtight of gaseous sample acquisition, preservation and sampling process gas sample bottle to the low-solubility etc. of gaseous sample
Property, guarantee that gaseous sample is not contaminated.Gaseous sample collection process and sampling process it is simple, convenient, efficiently and on being easy to
Hand, gas sample bottle is small in size, and security performance is high, can enhance portability and live adaptability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of gas sample bottle characterized by comprising bottle body forms the inner cover of inner cavity with the bottle body, for acquiring
Gas sample enters the check valve of the inner cavity, for the liquid row in the inner cavity described when acquiring gas sample when gas sample
Straight-through gas nozzle out, the rubber casing for sealing the straight-through gas nozzle and lid close the outer cover on the bottle body；
The check valve and the straight-through gas nozzle are set in described and cover, and are formed after the outer cover and bottle body lid conjunction by institute
State the exocoel that check valve and the straight-through gas nozzle are accommodated in the inner；
The check valve includes straight check valve and diaphragm check valve, and the outlet end and the inner cavity of the diaphragm check valve connect
Logical, the arrival end of the diaphragm check valve is connected with the outlet end of the straight check valve.
2. gas sample bottle as described in claim 1, which is characterized in that the bottle body includes insulating layer.
3. gas sample bottle as described in claim 1, which is characterized in that further include being set to the inner cover and the straight-through gas nozzle
First sealing ring of junction and the second sealing ring set on the inner cover and the bottle body junction.
4. gas sample bottle as described in claim 1, which is characterized in that further include connecting with the arrival end of the straight check valve
The attachment device connect, the attachment device are used for the connection air inlet matched with the straight check valve when acquiring gaseous sample
Pipe.
5. gas sample bottle as described in claim 1, which is characterized in that the shape of the inside of the straight-through gas nozzle point is circle
Cylinder, the outer shape of the straight-through gas nozzle are cone.
6. gas sample bottle as described in claim 1, which is characterized in that the aperture of the straight-through gas nozzle is 1.5 centimetres.
7. gas sample bottle as described in claim 1, which is characterized in that the bottle body, the inner cover, the straight-through gas nozzle and
The material of the outer cover is stainless steel.
8. gas sample bottle as described in claim 1, which is characterized in that the material of the check valve is polyurethane.
9. gas sample bottle as claimed in any one of claims 1 to 8, which is characterized in that the outer cover passes through with the bottle body
It is threadedly coupled.
10. a kind of application method of gas sample bottle as described in any one of claim 1 to 9 characterized by comprising
Before acquiring gaseous sample, the outer cover is opened, opens the rubber casing, by the straight-through gas nozzle to the bottle
The inner cavity of body fills saturated brine；
When acquiring gaseous sample, air inlet pipe matched with the straight check valve is connect with the straight check valve；
Downward, gaseous sample passes through the straight check valve under external force for one end where holding gas sample Cover inside the bottle,
The diaphragm for opening the diaphragm check valve into the inner cavity of the bottle body, while making saturated brine pass through the straight-through gas nozzle row
Out；
After acquiring gaseous sample, the air inlet pipe is extracted, and by the rubber sleeve pipe sleeve on the straight-through gas nozzle, this
When, the inside of bottle body retains part saturated brine；
The outer cover is covered, and one end where keeping gas sample bottle outer cover is placed downward；
When needing to take out gaseous sample, the outer cover is opened, removes the rubber casing on the straight-through gas nozzle；
Gaseous sample is extracted by the straight-through gas nozzle using sampling probe；
After extraction, put on the rubber casing again, cover the outer cover, and keep where gas sample bottle outer cover one
It places downward at end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810510826.0A CN108982169B (en) | 2018-05-24 | 2018-05-24 | Gas sampling bottle and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810510826.0A CN108982169B (en) | 2018-05-24 | 2018-05-24 | Gas sampling bottle and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443842A (en) * | 2018-12-14 | 2019-03-08 | 吉林化工学院 | A kind of hermetically sealed sampling bottle of poisonous and harmful medium |
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