CN209264375U - The quantitative collection device of gas phase compounds - Google Patents
The quantitative collection device of gas phase compounds Download PDFInfo
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- CN209264375U CN209264375U CN201822238403.6U CN201822238403U CN209264375U CN 209264375 U CN209264375 U CN 209264375U CN 201822238403 U CN201822238403 U CN 201822238403U CN 209264375 U CN209264375 U CN 209264375U
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- gas
- gas phase
- phase compounds
- quantitative collection
- gasification installation
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Abstract
The utility model discloses a kind of quantitative collection device of gas phase compounds, it includes: gasification installation is connected with heating device and vacuum evacuation device；Liquid phase compound to be injected to the injection device of the gasification installation；Gas collector is connect with the gasification installation by pipeline, and pipeline is equipped with the first valve of control gas circulation；And the weighing device to weigh the gas collector weight.The injection device is syringe.The gasification installation is the evaporating kettle with temperature control function.The gas collector is detachably connected with the pipeline, and the gas collector is equipped with the second valve to open and close the gas collector.The gas phase compounds that the quantitative collection device of the gas phase compounds of the utility model can be converted with quantitative collection by liquid phase compound, quantitative result is accurate, and using safe.
Description
Technical field
The utility model relates to the preparation fields of calibrating gas, and in particular to a kind of quantitative collection dress of gas phase compounds
It sets.
Background technique
In the preparation of Reference Material of Gases, how to weigh micro liquid composition, how by micro liquid be added sample gas cylinder
It is a difficult point.
Some chemical substance analysis instruments need the gas phase compounds of certain concentration as standard items, it is therefore desirable to addition
Gas phase compounds precise into sample gas cylinder.Liquid phase compound is directly injected into gas cylinder with syringe, first because
The variation of corresponding deal cannot be observed for injection process, there is no assurance that the accuracy of injection volume, has very big error.Its
Secondary, if direct injection liquid phase compound, liquid phase compound may be adsorbed on bottleneck and bottle wall, cannot be completely into liquid
Phase influences the accuracy weighed, and there is also danger.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, a kind of liquid phase compound is provided and is converted into gas phase chemical combination
After object, it is capable of the device of accurate quantitative analysis collection gas phase compounds.
In order to achieve the above object, the utility model provides a kind of quantitative collection device of gas phase compounds, it includes:
Gasification installation is connected with heating device and vacuum evacuation device；Liquid phase compound to be injected to the injection of the gasification installation
Device；Gas collector is connect with the gasification installation by pipeline, and pipeline is equipped with the first of control gas circulation
Valve；And the weighing device to weigh the gas collector weight.
Preferably, the injection device is syringe.
Preferably, the gasification installation is the evaporating kettle with temperature control function.
Preferably, the gas collector is detachably connected with the pipeline.
Preferably, the gas collector is equipped with the second valve to open and close the gas collector.
Preferably, the gas collector is gas cylinder.
Preferably, the weighing device is electronic balance.
The utility model has the advantages that
The quantitative collection device of the utility model can heat the compound of liquid phase, promote the gasification of compound,
Using safe, it not will lead to compound and be leaked in air, and is quantitative accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the quantitative collection device of the gas phase compounds of the utility model.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with drawings and examples.
As shown in Figure 1, the quantitative collection device of the gas phase compounds of the utility model includes: gasification installation 1 is connected with
Heating device and vacuum evacuation device；Liquid phase compound to inject to the injection device of the gasification installation 1, injection device is to gas
When 1 injection liquid phase compound is set in makeup, it is connected to the duct 11 of gasification installation 1；Gas collector 2, with the gasification
Device 1 is connected by pipeline, and pipeline is equipped with the first valve 3 of control gas circulation；And to weigh the gas collection dress
Set the weighing device (not shown) of 2 weight.
The collection device of the utility model is suitable for liquid phase compound volatile under heating condition and is converted into gas phase chemical combination
Collection after object.Before injection device injects liquid phase compound to gasification installation 1, first with vacuum evacuation device by quantitative collection device
Inside is evacuated, and makes not have other impurities inside it.Heating device heats gasification installation 1, can make to be injected into
The liquid phase compound of gasification installation 1 volatilizees rapidly, and the gas phase compounds after volatilization are entered in gas collector 2 by pipeline.
By being set to the weighing device of 2 lower section of gas collector, the weight change of gas collector 2 before and after gas collection is calculated
Change, can accurately know the quality for the gas phase compounds being collected into.After being collected into the gas of specified wt, it will be set on pipeline
First valve 3 is closed, and collection can be completed.
In some embodiments, gas collector 2 is detachably connected with pipeline.Gas collector 2 is equipped with to open and close
Second valve 4 of gas collector 2.After the completion of gas collection, gas collector 2 is closed using the second valve 4, and will
Pipeline is removed from gas collector 2, can have the gas collector 2 of extra fine quality gas to remove collection.Gas is received
After acquisition means 2 are taken away, the first valve 3 be leaked to gas phase compounds will not in air, it is ensured that the safety used.
In some embodiments, injection device selects syringe.The needle insertion hole road 11 of syringe needs to add uncertain
When entering how many liquid phase compound and being converted into gasification installation 1, it is gradually added liquid phase compound using syringe, is being collected
To after the gas phase compounds of sufficient amount, stop injection.
In some embodiments, gasification installation 1 is the evaporating kettle with temperature control function.
In some embodiments, gas collector is gas cylinder.Gas cylinder is equipped with tee tube, and tee tube is separately connected pipeline, gas
Bottle and the interface for inputting balanced gas.After gas cylinder is collected into enough gas phase compounds, the first valve 3 is closed, then to
Gas cylinder injection balance gas is diluted, concentration requirement when gas phase compounds being made to reach standard sample preparation.
In some embodiments, weighing device is the electronic balance with degree of precision.
In conclusion the quantitative collection device of the gas phase compounds of the utility model can be with quantitative collection by liquid phase compound
The gas phase compounds of conversion, quantitative result is accurate, and using safe.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (7)
1. a kind of quantitative collection device of gas phase compounds, characterized by comprising:
Gasification installation is connected with heating device and vacuum evacuation device；
Liquid phase compound to be injected to the injection device of the gasification installation；
Gas collector is connect with the gasification installation by pipeline, and pipeline is equipped with the first of control gas circulation
Valve；And the weighing device to weigh the gas collector weight.
2. the quantitative collection device of gas phase compounds according to claim 1, which is characterized in that the injection device is
Syringe.
3. the quantitative collection device of gas phase compounds according to claim 1, which is characterized in that the gasification installation is
Evaporating kettle with temperature control function.
4. the quantitative collection device of gas phase compounds according to claim 1, which is characterized in that the gas collection dress
It sets and is detachably connected with the pipeline.
5. the quantitative collection device of gas phase compounds according to claim 1, which is characterized in that the gas collector
Equipped with the second valve to open and close the gas collector.
6. the quantitative collection device of gas phase compounds according to claim 1, which is characterized in that the gas collection dress
It is set to gas cylinder.
7. the quantitative collection device of gas phase compounds according to claim 1, which is characterized in that the weighing device is
Electronic balance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238403.6U CN209264375U (en) | 2018-12-29 | 2018-12-29 | The quantitative collection device of gas phase compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238403.6U CN209264375U (en) | 2018-12-29 | 2018-12-29 | The quantitative collection device of gas phase compounds |
Publications (1)
| Publication Number | Publication Date |
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| CN209264375U true CN209264375U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822238403.6U Active CN209264375U (en) | 2018-12-29 | 2018-12-29 | The quantitative collection device of gas phase compounds |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824078A (en) * | 2019-09-24 | 2020-02-21 | 合肥工业大学 | Temperature-controllable trace high-purity liquid sample evaporation device |
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2018
- 2018-12-29 CN CN201822238403.6U patent/CN209264375U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824078A (en) * | 2019-09-24 | 2020-02-21 | 合肥工业大学 | Temperature-controllable trace high-purity liquid sample evaporation device |
| CN110824078B (en) * | 2019-09-24 | 2020-12-08 | 合肥工业大学 | Temperature-controllable trace high-purity liquid sample evaporation device |
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