CN207856528U - A kind of gas purification filter device for gas chromatograph - Google Patents
A kind of gas purification filter device for gas chromatograph Download PDFInfo
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- CN207856528U CN207856528U CN201721895097.2U CN201721895097U CN207856528U CN 207856528 U CN207856528 U CN 207856528U CN 201721895097 U CN201721895097 U CN 201721895097U CN 207856528 U CN207856528 U CN 207856528U
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- coarse filtration
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Abstract
The utility model is related to gas chromatograph sampling equipment technical fields, and disclose a kind of gas purification filter device for gas chromatograph, including coarse filtration upper tube and coarse filtration down tube, the bottom of coarse filtration upper tube is fixedly connected with inserted link, slot is offered at the top of coarse filtration down tube, the side of bottom of the tube is fixedly connected with lug in coarse filtration, is provided with bolt at the top of upper lug, and the bottom of upper lug and coarse filtration upper tube has been fixedly connected with fluorine adhesive tape.This is used for the gas purification filter device of gas chromatograph, it can play the role of larger solid impurity in filtered sample gas by setting lower copper mesh, middle copper mesh and lower copper mesh, it can facilitate the dismounting of coarse filtration upper tube and coarse filtration down tube by the way that Rose Box, handle, inserted link, slot, upper lug, bolt, lower lug and thread groove is arranged, to the cleaning of convenient lower copper mesh, middle copper mesh and lower copper mesh, minute impurities that can be effectively in filtered sample gas by the way that Mm filter film is arranged.
Description
Technical field
The utility model is related to gas chromatograph sampling equipment technical fields, specially a kind of gas for gas chromatograph
Body filtration equipment for clarifying.
Background technology
Gas chromatograph is in fire investigation, oil, chemical industry, biochemistry, medical and health, food industry, environmental protection etc.
Using very wide.It is in addition to for qualitatively and quantitatively analyzing, moreover it is possible to distribution coefficient of the determination sample in stationary phase, activity coefficient,
The physicochemical constants such as molecular weight and Rui Sheng specific surface areas.A kind of instrument carrying out analysis detection to each constituent in mixed gas
Device.
The instrument that gaseous sample is measured using thermal conductivity detector (TCD) is one of gas chromatograph, but gaseous sample especially tail gas
Sample often contains various impurity, often leads to the poisoning of its chromatographic column, can not carry out normal assay.Currently, many instrument producer lifes
The gas chromatograph of production is not equipped with corresponding sample filter.
When due to field sampling, smoothly to sample the gaseous sample especially tail gas that must have certain air pressure, therefore taken
Sample often carries a small amount of impurity secretly.Without sample filter when direct injected, impurity enters instrument, and chromatogram spectrogram baseline can be made inclined
From appearance hangover, measurement result is unstable, seriously affects its accuracy and precision.
Utility model content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of gas purification filtering dress for gas chromatograph
It sets, has the advantages that sample gas impurity removal effect is good, and purity is high, solve the problems, such as that accuracy and precision is not high.
（Two）Technical solution
To realize that above-mentioned sample gas impurity removal effect is good, the high purpose of purity, the utility model provides following technology
Scheme：A kind of gas purification filter device for gas chromatograph, including coarse filtration upper tube and coarse filtration down tube, the thick mistake
The bottom of filter upper tube is fixedly connected with inserted link, offers slot at the top of the coarse filtration down tube, bottom of the tube in the coarse filtration
Side be fixedly connected with lug, bolt, the bottom of the upper lug and coarse filtration upper tube are provided at the top of the upper lug
Portion has been fixedly connected with fluorine adhesive tape, and the side at the top of the coarse filtration down tube is fixedly connected with lower lug, the lower lug it is upper
Surface offers thread groove, and the inner wall of coarse filtration down tube both sides has been fixedly connected with cushion block, the top setting of the cushion block
There are Rose Box, the inner wall of the Rose Box to be respectively fixedly connected with lower copper mesh, middle copper mesh and upper copper mesh, the top of the Rose Box
It is fixedly connected with handle, appendix is fixedly connected at the top of the coarse filtration upper tube, the coarse filtration upper tube passes through sealing ring
It is fixedly connected with appendix, is fixedly connected at the top of the appendix and de-tastes pipe, the inner wall for de-tasting pipe is fixedly connected with
Active carbon filter screen, described de-taste are provided with smart screen pipe at the top of pipe, the inner wall of the essence screen pipe is fixedly connected with a micron mistake
Filter membrane.
Preferably, the quantity of the inserted link be two, and two inserted links with the inner wall grafting of slot.
Preferably, the bottom of fluorine adhesive tape, the outer surface of the bolt and screw thread are run through and extended in the bottom of the bolt
Slot is threadedly coupled.
Preferably, the pipe that de-tastes is fixedly connected by flexible seals with smart screen pipe.
Preferably, the quantity of the upper lug is two, and two upper lugs are using the center line of coarse filtration upper tube as symmetry axis
It is symmetricly set on the both sides of coarse filtration upper tube.
Preferably, it is fixedly connected with escape pipe at the top of the smart screen pipe, the escape pipe is soft escape pipe.
（Three）Advantageous effect
Compared with prior art, the utility model provides a kind of gas purification filter device for gas chromatograph,
Has following advantageous effect：
1, the gas purification filter device for being used for gas chromatograph, can by setting lower copper mesh, middle copper mesh and lower copper mesh
Play the role of larger solid impurity in filtered sample gas, by the way that Rose Box, handle, inserted link, slot, upper lug, spiral shell is arranged
Bolt, lower lug and thread groove can facilitate the dismounting of coarse filtration upper tube and coarse filtration down tube, to convenient lower copper mesh, middle copper mesh and
The cleaning of lower copper mesh, minute impurities that can be effectively in filtered sample gas by the way that Mm filter film is arranged, active carbon filter screen can
Remove the minute impurities that peculiar smell in sample gas can be effectively in filtered sample gas.
2, the gas purification filter device for being used for gas chromatograph makes sample gas impurity by the way that double-filtration is arranged
Removal effect is good, and gas purity is high, compensates for the defect of gas chromatograph sample filter, convenient for disassembly and assembly, effectively increases inspection
Accuracy and the precision of result are surveyed, and extends the service life of chromatographic column, ensure that by the way that fluorine adhesive tape and sealing ring is arranged
The device air-tightness.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is schematic enlarged-scale view at the utility model A.
In figure：1 coarse filtration upper tube, 3 inserted links, 4 slots, connects on 52 coarse filtration down tubes under lug, 6 bolts, 7 fluorine adhesive tapes, 8
Copper mesh in ear, 9 thread grooves, 10 cushion blocks, 11 Rose Boxes, 12 times copper mesh, 13, copper mesh, 15 handles, 16 appendixs, 17 sealings on 14
Circle, 18 de-taste pipe, 19 active carbon filter screens, 20 smart screen pipes, 21 Mm filter films, 22 escape pipes.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, a kind of gas purification filter device for gas chromatograph, including coarse filtration upper tube 1 and thick
Filter down tube 2, the bottom of coarse filtration upper tube 1 is fixedly connected with inserted link 3, and the quantity of inserted link 3 is two, and two inserted links 3 with
The top of the inner wall grafting of slot 4, coarse filtration down tube 2 offers slot 4, and the side of 1 bottom of coarse filtration upper tube is fixedly connected with
The quantity of upper lug 5, upper lug 5 is two, and two upper lugs 5 are symmetrical arranged by symmetry axis of the center line of coarse filtration upper tube 1
In the both sides of coarse filtration upper tube 1, the top of upper lug 5 is provided with bolt 6, and the bottom of upper lug 5 and coarse filtration upper tube 1 is fixed
It is connected with fluorine adhesive tape 7, the side at 2 top of coarse filtration down tube is fixedly connected with lower lug 8, and the upper surface of lower lug 8 offers spiral shell
The bottom of fluorine adhesive tape 7 is run through and extended in the bottom of groove 9, bolt 6, and the outer surface of bolt 6 is threadedly coupled with thread groove 9, slightly
The inner wall of filtering down tube 2 both sides has been fixedly connected with cushion block 10, and the top of cushion block 10 is provided with Rose Box 11, Rose Box 11 it is interior
Wall has been respectively fixedly connected with lower copper mesh 12, middle copper mesh 13 and upper copper mesh 14, passes through setting lower copper mesh 12, middle copper mesh 13 and upper copper mesh
14 can play the role of larger solid impurity in filtered sample gas, by be arranged Rose Box 11, handle 15, inserted link 3, slot 4,
Upper lug 5, bolt 6, lower lug 8 and thread groove 9 can facilitate the dismounting of coarse filtration upper tube 1 and coarse filtration down tube 2, to convenient
The top of the cleaning of lower copper mesh 12, middle copper mesh 13 and upper copper mesh 14, Rose Box 11 is fixedly connected with handle 15, coarse filtration upper tube 1
Top be fixedly connected with appendix 16, coarse filtration upper tube 1 is fixedly connected by sealing ring 17 with appendix 16, pass through be arranged fluorine
Adhesive tape 7 and sealing ring 17 ensure that the device air-tightness, and the top of appendix 16, which is fixedly connected with, de-tastes pipe 18, de-tastes pipe 18
Inner wall is fixedly connected with active carbon filter screen 19, and the top for de-tasting pipe 18 is provided with smart screen pipe 20, de-taste pipe 18 pass through it is flexible close
Sealing is fixedly connected with smart screen pipe 20, and the inner wall of smart screen pipe 20 is fixedly connected with Mm filter film 21, smart screen pipe 20
Top is fixedly connected with escape pipe 22, and escape pipe 22 is soft escape pipe, can effectively be filtered by the way that Mm filter film 21 is arranged
Minute impurities in sample gas, active carbon filter screen 19 can remove the peculiar smell in sample gas can be effectively in filtered sample gas
Minute impurities keep sample gas impurity removal effect good, gas purity is high, compensates for gas phase color by the way that double-filtration is arranged
The defect of spectrometer sample filter, it is convenient for disassembly and assembly, accuracy and the precision of testing result are effectively increased, and extend chromatography
The service life of column.
When in use, the gas purification filter device for being used for gas chromatograph, gas-chromatography is connected to by escape pipe 22
Instrument entrance, coarse filtration down tube 2 are connect with air generator, hydrogen generator and nitrogen cylinder respectively, and sample gas is first through lower copper
Net 12, middle copper mesh 13 and upper copper mesh 14 filter, and can filter larger solid impurity therein, then filtered through Mm filter film 21, filter
Fall minute impurities therein, filtered sample gas is analyzed by escape pipe 22 into gas chromatograph.
In conclusion this is used for the gas purification filter device of gas chromatograph, by the way that double-filtration is arranged, make sample gas
Body impurity removal effect is good, and gas purity is high, compensates for the defect of gas chromatograph sample filter, convenient for disassembly and assembly, effectively carries
The accuracy of high testing result and precision, and the service life of chromatographic column is extended, pass through and fluorine adhesive tape 7 and sealing ring are set
17 ensure that the device air-tightness.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of gas purification filter device for gas chromatograph, including coarse filtration upper tube（1）With coarse filtration down tube（2）,
It is characterized in that：The coarse filtration upper tube（1）Bottom be fixedly connected with inserted link（3）, the coarse filtration down tube（2）Top open
Equipped with slot（4）, the coarse filtration upper tube（1）The side of bottom is fixedly connected with lug（5）, the upper lug（5）Top
Portion is provided with bolt（6）, the upper lug（5）With coarse filtration upper tube（1）Bottom be fixedly connected with fluorine adhesive tape（7）, described
Coarse filtration down tube（2）The side at top is fixedly connected with lower lug（8）, the lower lug（8）Upper surface offer thread groove
（9）, the coarse filtration down tube（2）The inner wall of both sides has been fixedly connected with cushion block（10）, the cushion block（10）Top be provided with
Rose Box（11）, the Rose Box（11）Inner wall be respectively fixedly connected with lower copper mesh（12）, middle copper mesh（13）With upper copper mesh
（14）, the Rose Box（11）Top be fixedly connected with handle（15）, the coarse filtration upper tube（1）Top be fixedly connected with
Appendix（16）, the coarse filtration upper tube（1）Pass through sealing ring（17）With appendix（16）It is fixedly connected, the appendix（16）
Top be fixedly connected with and de-taste pipe（18）, described to de-taste pipe（18）Inner wall be fixedly connected with active carbon filter screen（19）, described
De-taste pipe（18）Top be provided with smart screen pipe（20）, the essence screen pipe（20）Inner wall be fixedly connected with Mm filter film
（21）.
2. a kind of gas purification filter device for gas chromatograph according to claim 1, it is characterised in that：It is described
Inserted link（3）Quantity be two, and two inserted links（3）And slot（4）Inner wall grafting.
3. a kind of gas purification filter device for gas chromatograph according to claim 1, it is characterised in that：It is described
Bolt（6）Bottom run through and extend to fluorine adhesive tape（7）Bottom, the bolt（6）Outer surface and thread groove（9）Screw thread connects
It connects.
4. a kind of gas purification filter device for gas chromatograph according to claim 1, it is characterised in that：It is described
De-taste pipe（18）Pass through flexible seals and smart screen pipe（20）It is fixedly connected.
5. a kind of gas purification filter device for gas chromatograph according to claim 1, it is characterised in that：It is described
Upper lug（5）Quantity be two, and two upper lugs（5）With coarse filtration upper tube（1）Center line be symmetricly set on for symmetry axis
Coarse filtration upper tube（1）Both sides.
6. a kind of gas purification filter device for gas chromatograph according to claim 1, it is characterised in that：It is described
Smart screen pipe（20）Top be fixedly connected with escape pipe（22）, the escape pipe（22）For soft escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895097.2U CN207856528U (en) | 2017-12-29 | 2017-12-29 | A kind of gas purification filter device for gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895097.2U CN207856528U (en) | 2017-12-29 | 2017-12-29 | A kind of gas purification filter device for gas chromatograph |
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| Publication Number | Publication Date |
|---|---|
| CN207856528U true CN207856528U (en) | 2018-09-14 |
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ID=63463735
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721895097.2U Active CN207856528U (en) | 2017-12-29 | 2017-12-29 | A kind of gas purification filter device for gas chromatograph |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157898A (en) * | 2018-09-17 | 2019-01-08 | 粟伟 | A kind of quenching liquid purification device |
| CN110748777A (en) * | 2019-10-28 | 2020-02-04 | 徐州彭源信息科技有限公司 | Convenient cloud box is maintained in equipment for bus |
| CN111272920A (en) * | 2020-03-03 | 2020-06-12 | 河北百润环境检测技术有限公司 | Gas chromatograph advances a kind filter equipment |
| CN113287493A (en) * | 2021-06-03 | 2021-08-24 | 重庆市荣昌区林业科学技术推广站 | A irrigation equipment for no thorn prickly ash plants |
-
2017
- 2017-12-29 CN CN201721895097.2U patent/CN207856528U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157898A (en) * | 2018-09-17 | 2019-01-08 | 粟伟 | A kind of quenching liquid purification device |
| CN110748777A (en) * | 2019-10-28 | 2020-02-04 | 徐州彭源信息科技有限公司 | Convenient cloud box is maintained in equipment for bus |
| CN111272920A (en) * | 2020-03-03 | 2020-06-12 | 河北百润环境检测技术有限公司 | Gas chromatograph advances a kind filter equipment |
| CN111272920B (en) * | 2020-03-03 | 2022-10-21 | 河北百润环境检测技术有限公司 | Gas chromatograph advances a kind filter equipment |
| CN113287493A (en) * | 2021-06-03 | 2021-08-24 | 重庆市荣昌区林业科学技术推广站 | A irrigation equipment for no thorn prickly ash plants |
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