CN201083643Y - Gas-liquid separation apparatus - Google Patents
Gas-liquid separation apparatus Download PDFInfo
- Publication number
- CN201083643Y CN201083643Y CNU2007201556621U CN200720155662U CN201083643Y CN 201083643 Y CN201083643 Y CN 201083643Y CN U2007201556621 U CNU2007201556621 U CN U2007201556621U CN 200720155662 U CN200720155662 U CN 200720155662U CN 201083643 Y CN201083643 Y CN 201083643Y
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- China
- Prior art keywords
- gas
- liquid separation
- housing
- separation device
- sample introduction
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Abstract
The utility model discloses a gas-liquid separation device, wherein, the gas-liquid separation device comprises a cylindrical shell, a needle-shaped hollow sample injection part and a sealing part; one end of the sample injection part is fixedly connected with one end of the cylindrical shell; the hollow part of the sample injection part is communicated with the shell; the end surface of the other end of the shell is provided with an opening; and the sealing part is hermetically matched with the opening. When the gas in a battery is tested through a high-efficient gas chromatography, the mixture of the gas and the electrolyte extracted by a sample injector can be firstly subject to a gas-liquid separation through the gas-liquid separation device provided by the utility model. The device absorbs the electrolyte in the gas-liquid mixture, so only the gas to be tested enters the high-efficient gas chromatography; the testing accuracy is improved due to no interference of the electrolyte. In addition, the electrolyte can not enter the chromatographic column, so the chromatographic column can not be corroded, thereby improving the life of the chromatographic column and further improving the life of the whole high-efficient gas chromatography.
Description
Technical field
The utility model relates to the battery testing field, relates in particular to a kind of gas-liquid separation device that is used for test battery.
Background technology
After battery changes into, need analyze the composition of the gas that generates in the battery usually, determining the response situation of electrolytic solution and positive and negative electrode, thereby determine the discharge performance of battery and the bath composition that reacts.When battery breaks down, also need the composition of the gas that generates in the battery is analyzed, to determine the reason place of fault.Usually adopt the high resolution gas chromatography instrument that the composition of the gas that generates is analyzed, when test, utilize the injector of gas chromatograph to extract gas in the battery.When utilizing the gas in the injector extraction battery, easily the electrolytic solution in the battery is sucked in the injector together, electrolytic solution enters chromatographic column with gas, so can test together with the electrolytic solution that sucks when test, this will cause test result inaccurate.In addition, electrolytic solution can corrode chromatographic column, thereby has reduced the life-span of chromatographic column, and then has reduced the life-span of gas chromatograph.
The utility model content
The purpose of this utility model provides a kind of pretreating device gas-liquid separation device that can improve high resolution gas chromatography instrument measuring accuracy.
The utility model provides a kind of gas-liquid separation device, wherein, this gas-liquid separation device comprises cylindrical shell 1, needle-like hollow sample introduction spare 2 and seal 3, one end of described sample introduction spare 2 is fixedlyed connected with an end of cylindrical shell 1, and its hollow space communicates with housing 1, the end face of the other end of described housing 1 is provided with opening, and described seal 3 is sealed and matched with this opening.
When by the high resolution gas chromatography instrument gas in the battery being tested, the gas-liquid separation device that can provide by the utility model earlier carries out gas-liquid separation to the gas of injector extraction and the potpourri of electrolytic solution.Before using this device, earlier imbibition material 4 is filled in the housing 1, the potpourri of gas and electrolytic solution enters housing 1 by sample introduction spare 2, and the imbibition material 4 that distributes in the housing 1 of flowing through, imbibition material 4 is absorbed the electrolytic solution in the potpourri, and remaining gas enters in the high resolution gas chromatography instrument via the injector that inserts housing 1 by seal 3.Because the gas-liquid separation device that the utility model provides has been absorbed the electrolytic solution in the gas-liquid mixture, thus having only of high resolution gas chromatography instrument gas to be tested entered, owing to do not have the interference of electrolytic solution, so improved test accuracy.In addition, because electrolytic solution can not enter chromatographic column, thus can not cause the corrosion of chromatographic column, thus the life-span of chromatographic column improved, and then improved the life-span of whole high resolution gas chromatography instrument.
Description of drawings
Fig. 1 is the structural representation of the gas-liquid separation device that provides of the utility model;
Fig. 2 is the structural representation of the gas-liquid separation device that provides of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, the utility model provides a kind of gas-liquid separation device, wherein, this gas-liquid separation device comprises cylindrical shell 1, needle-like hollow sample introduction spare 2 and seal 3, one end of described sample introduction spare 2 is fixedlyed connected with an end of cylindrical shell 1, and its hollow space communicates with housing 1, and the end face of the other end of described housing 1 is provided with opening, and described seal 3 is sealed and matched with this opening.
Can be filled with imbibition material 4 in the housing 1 of the gas-liquid separation device that the utility model provides, also can before using this device, in housing 1, add imbibition material 4.As shown in Figure 2, the use of this device preferably, is filled with imbibition material 4 in the described housing 1 for convenience.Described imbibition material 4 can distribute arbitrarily in housing 1, and in order fully to absorb the entrained electrolytic solution of gas, preferably, described imbibition material 4 evenly distributes in housing 1.Described imbibition material 4 can be for the various materials that can absorb liquid, as porous ceramics, fritted glass or molecular sieve.
Described cylindrical shell 1 can be for various columns, as columned, frustum or various prism-shaped.For the ease of the processing of housing 1, and make the gas flow that enters housing 1 level and smooth, preferably, described housing 1 is columned.The length of described housing 1 can be the 30-100 millimeter, the cross-sectional area of described housing 1 can be the 20-200 square millimeter, in order to make the imbibition material 4 abundant electrolytic solution that absorb in the potpourri in the housing 1, and be convenient to the injector extracting gases, preferably, the length of described housing 1 is the 30-50 millimeter, and the cross-sectional area of described housing 1 is the 100-200 square millimeter.Described housing 1 can adopt various materials to make, as metal or plastics.
Described sample introduction spare 2 is used for inserting battery, and the gas in the battery is entered in the housing 1 by sample introduction spare 2.The aperture of described sample introduction spare 2 can be the 0.3-1 millimeter, and for when the extracting gases, the gas in the battery is difficult for overflowing, and preferably, the aperture of described sample introduction spare 2 is the 0.3-0.5 millimeter.There is no particular limitation to the length of described sample introduction spare 2, and the length of sample introduction spare 2 can be the 10-30 millimeter as described.Insert battery for the ease of sample introduction spare 2, described needle-like sample introduction spare 2 adopts various harder materials to make usually.
Described sample introduction spare 2 can be structure as a whole with housing 1, also can be the split structure.When sample introduction spare 2 was the branch body structure with housing 1, described sample introduction spare 2 can be fixedlyed connected with housing 1 by variety of way well known in the art, and sample introduction spare 2 can directly insert the end face of housing 1 as described, also can fixedly connected with housing 1 by the mode of welding.As shown in Figure 2, for convenience sample introduction spare 2 and housing 1 is connected, and make sample introduction spare 2 more firm with being connected of housing 1, preferably, this device also comprises the web member 5 of tubulose, described sample introduction spare 2 is fixedlyed connected with housing 1 by the web member 5 of tubulose, and an end of web member 5 is enclosed within the end of housing 1, and the other end is enclosed within the end of sample introduction spare 2.At this moment, this end of housing 1 is provided with opening, so that housing 1 communicates with sample introduction spare 2.Being connected of the end of web member 5 and housing 1 for convenience, preferably, the end that is connected with web member 5 of housing 1 is a frustum, and the cross-sectional area of this frustum end is in the end of this end minimum.There is no particular limitation to the shape and size of described web member 5, as long as web member 5 is corresponding with sample introduction spare 2 with housing 1.Described web member 5 adopts rubber or plastic material to make usually.The syringe needle that can buy commercial is as sample introduction spare 2 and web member 5.
The injector of high resolution gas chromatography instrument inserts in the housing 1 by seal 3, thereby draws the gas in the housing 1, and gas is tested.The opening sealing that described seal 3 is provided with on the one hand will the end face with the other end of housing 1 will be convenient to the insertion of injector on the other hand.Described seal 3 can be integrally formed with housing 1, also can separately prepare.There is no particular limitation to the shape and size of described seal 3, as long as seal 3 can be sealed and matched with the opening that is provided with on the end face of housing 1.Described seal 3 adopts softer usually and elasticity material is preferably made.
In order to improve the sealing property of this device, preferably, each interface of this device scribbles the fluid sealant (not shown).Described fluid sealant is well known in the art, does not repeat them here.
The operation of the gas-liquid separation device that the utility model provides is described below.
Before use, in housing 1, insert syringe needle and in housing 1, feed the chromatogram carrier gas by seal 3, to remove the residual gas in the housing 1.Then sample introduction spare 2 is inserted in the battery, the injector of high resolution gas chromatography instrument inserts in the housing 1 by seal 3, thereby extracts the gas to be measured in the battery.In the process of extracting gases, gas-entrained electrolytic solution enters housing 1 via sample introduction spare 2, the imbibition material 4 of flowing through and filling in the housing 1, imbibition material 4 absorbs the electrolytic solution of gas-entrained, thereby pure gas enters the high resolution gas chromatography instrument by injector, and the high resolution gas chromatography instrument is tested pure gas.After using up, in housing 1, feed the chromatogram carrier gas again, remove electrolytic solution and gas that imbibition material 4 absorbs, carry out the next round test then.
Because the gas-liquid separation device that the utility model provides can be before gas enters the high resolution gas chromatography instrument, gas is purified, absorb the electrolytic solution of gas-entrained, what thereby assurance entered the high resolution gas chromatography instrument is pure gas, thereby improved the test accuracy of gas componant, prevented the corrosion of electrolytic solution simultaneously, improved the life-span of high resolution gas chromatography instrument the high resolution gas chromatography instrument.
Claims (10)
1. gas-liquid separation device, it is characterized in that, this gas-liquid separation device comprises cylindrical shell (1), needle-like hollow sample introduction spare (2) and seal (3), one end of described sample introduction spare (2) is fixedlyed connected with an end of cylindrical shell (1), and its hollow space communicates with housing (1), the end face of the other end of described housing (1) is provided with opening, and described seal (3) is sealed and matched with this opening.
2. gas-liquid separation device according to claim 1 is characterized in that, is filled with imbibition material (4) in the described housing (1).
3. gas-liquid separation device according to claim 2 is characterized in that, described imbibition material (4) evenly distributes in housing (1).
4. gas-liquid separation device according to claim 1 and 2 is characterized in that, described housing (1) is cylindric.
5. gas-liquid separation device according to claim 1 and 2 is characterized in that, the length of described housing (1) is the 30-100 millimeter.
6. gas-liquid separation device according to claim 1 and 2 is characterized in that, the cross-sectional area of described housing (1) is the 20-200 square millimeter.
7. gas-liquid separation device according to claim 1 and 2 is characterized in that, the aperture of described sample introduction spare (2) is the 0.3-1 millimeter.
8. gas-liquid separation device according to claim 1 and 2 is characterized in that, the length of described sample introduction spare (2) is the 10-30 millimeter.
9. gas-liquid separation device according to claim 1 and 2, it is characterized in that, described sample introduction spare (2) is fixedlyed connected with housing (1) by the web member (5) of tubulose, and an end of web member (5) is enclosed within the end of housing (1), and the other end is enclosed within the end of sample introduction spare (2).
10. gas-liquid separation device according to claim 9 is characterized in that, the end that is connected with web member (5) of housing (1) is a frustum, and the cross-sectional area of this frustum end is in the end of this end minimum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201556621U CN201083643Y (en) | 2007-07-30 | 2007-07-30 | Gas-liquid separation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201556621U CN201083643Y (en) | 2007-07-30 | 2007-07-30 | Gas-liquid separation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083643Y true CN201083643Y (en) | 2008-07-09 |
Family
ID=39626111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201556621U Expired - Fee Related CN201083643Y (en) | 2007-07-30 | 2007-07-30 | Gas-liquid separation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201083643Y (en) |
-
2007
- 2007-07-30 CN CNU2007201556621U patent/CN201083643Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20160730 |