CN209372775U - A kind of gas-chromatography packed column - Google Patents
A kind of gas-chromatography packed column Download PDFInfo
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- CN209372775U CN209372775U CN201821770791.6U CN201821770791U CN209372775U CN 209372775 U CN209372775 U CN 209372775U CN 201821770791 U CN201821770791 U CN 201821770791U CN 209372775 U CN209372775 U CN 209372775U
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Abstract
The utility model provides a kind of gas-chromatography packed column, comprising: gc column tube, porous polymeric nitride layer and filling component；Filling component includes fixed net cover and at least two casings；Fixed net cover is in the cylindrical shape with grid, and at least two casings prolong the axial direction of fixed net cover and are successively socketed on the periphery of fixed net cover；And the outer wall of at least two casings is abutted with the inside of gc column tube；Porous polymeric nitride layer is filled in the corresponding portion in fixed net cover.Therefore, compared with prior art, gas-chromatography packed column provided by the utility model, which solves, needs in the prior art using a kind of chromatographic column component as much as possible analyzed in sample to be tested mixture, and filler does not allow the technical issues of being fixed easily.
Description
Technical field
The utility model relates to analytical chemistry field more particularly to a kind of gas-chromatography packed columns.
Background technique
Chromatography is that one kind separates, analyzes method, is widely used in multiple necks such as petroleum, chemistry, environment, biology, food
Detection, the analysis in domain.Chromatographic column is directly related to separating effect and detection sensitivity in chromatography.
Gas-chromatography is one of chromatography, widely used, can also be used to detect the sample containing pollutant, complicated component
Product, such as petroleum-type contamination of products object can be detected with gas chromatography, petroleum pollution each component is separated using chromatographic column,
And component is allowed once to carry out qualitative and quantitative analysis to component by detector in order.
But current chromatograph needs the chromatographic column using different fillings for different samples to be tested, for
The mixture of complicated components, when detection, usually need repeatedly to be analyzed using multiple chromatographic columns, could carry out complex component
Divide the analysis of variance.In practical operation, replacement chromatographic column resume operations, which will lead to analysis condition, can not often keep one
It causes, and the use of multiple chromatographic columns undoubtedly improves analysis cost.In addition, the error of many experiments is less useful for qualitative, quantitative point
Analysis.Therefore using a kind of chromatographic column can the component as much as possible that analyzed in sample to be tested mixture, become
The important research direction in field.
The filler in gas-chromatography packed column is not allowed to be fixed easily in the prior art, and gas-chromatography packed column is in routine use
There is filler and loosens in column in Shi Jingchang, or even the problem of ejection, this not only impact analysis accuracy but also use of lower chromatographic column
Service life cannot meet the experimental analysis needs in reality very well.
Utility model content
The main technical problems to be solved in the utility model is to provide a kind of gas-chromatography packed column, solves the prior art
It is middle to need to be not easy using a kind of chromatographic column component as much as possible analyzed in sample to be tested mixture and filler
Fixed technical problem.
In order to solve the above technical problems, the utility model provides a kind of gas-chromatography packed column, comprising: gc column tube, more
Pore polymer layer and filling component；Wherein,
Filling component includes fixed net cover and at least two casings, and fixed net cover is in the cylindrical shape with grid, set
Pipe is successively socketed on the periphery of fixed net cover along the axial direction of fixed net cover, and the outer wall of casing and the inside of gc column tube are supported
It connects；
Porous polymeric nitride layer is filled in fixed net cover.
Gas-chromatography packed column provided by the utility model can be set in different casings by the setting of multiple casings
Different porous polymeric nitride layer is set, to realize a kind of a variety of samples to be tested of chromatogram column analysis.
Further, the corresponding position in casing is filled at least two porous polymeric nitride layer.
Further, fixed net cover is provided with cynapse, and cynapse is positioned close to the side at the center of gc column tube.
Further, the height of cynapse is 0.09 millimeter~0.13 millimeter.
Further, casing is additionally provided at least one positioning component, and positioning component is clamped on set for that will fix net cover
Guan Shang.
Further, net cover is fixed as any one in metallic sieve, glass sieve, ceramic screen, fiber screen.
Further, gc column tube inner wall is provided with concave convex texture.
Further, filling component is with a thickness of 0.3 millimeter~0.5 millimeter.
Further, the length of gc column tube is 0.2 meter~6 meters.
Further, the internal diameter of gc column tube is 1 millimeter~6 millimeters.
The beneficial effects of the utility model are:
The utility model provides a kind of gas-chromatography packed column, comprising: gc column tube, porous polymeric nitride layer and filling part
Part；Wherein, filling component includes fixing net cover and at least two casings,
Fixed net cover is in the cylindrical shape with grid, and at least two casings prolong the axial direction of fixed net cover successively
It is socketed on the periphery of fixed net cover；And the outer wall of at least two casings is abutted with the inside of gc column tube；Porous polymeric nitride layer
The corresponding portion being filled in fixed net cover.
In the prior art, exist and need to analyze in sample to be tested mixture using a kind of chromatographic column is as much as possible
Component and filler do not allow the technical issues of being fixed easily.Therefore, compared with prior art, gas phase color provided by the utility model
Compose packed column, by filling component be filled with the different filler of multistage solve need in the prior art it is most using a kind of chromatographic column
The component analyzed in sample to be tested mixture more than possible, while filling component is improved by net cover and casing to filling
The fixed function of object, filler does not allow the technical issues of being fixed easily in very good solution reality.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram of gas-chromatography packed column provided by the utility model；
Fig. 2 is the structural schematic diagram of the filling component of gas-chromatography packed column provided by the utility model；
Fig. 3 is the structural schematic diagram of the cynapse of gas-chromatography packed column provided by the utility model.
Appended drawing reference:
1, gc column tube；2, porous polymeric nitride layer；3, filling component；31, fixed net cover；32, positioning component；33, casing；
34, cynapse.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "inner", "bottom"
Set relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System in addition, term " first ", " second " etc. be only used for distinguish description, be not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model is described in further detail below by specific embodiment combination attached drawing.
It needs to mix using a kind of chromatographic column sample to be tested as much as possible that analyzes to solve to exist in the prior art
The component and filler closed in object do not allow the technical issues of being fixed easily.The utility model provides a kind of gas-chromatography packed column,
Including gc column tube, porous polymeric nitride layer and filling component；Wherein, filling component includes fixed net cover and at least two sets
Pipe, fixed net cover are in the cylindrical shape with grid, and at least two casings prolong the axial direction of fixed net cover and are successively socketed
In the periphery of fixed net cover；And the outer wall of at least two casings is abutted with the inside of gc column tube；The filling of porous polymeric nitride layer
Corresponding portion in fixed net cover.
Specifically, as shown in Figure 1-Figure 3, the gas-chromatography packed column of the present embodiment, including gc column tube 1, porous polymeric
Nitride layer 2 and filling component 3；Porous polymeric nitride layer 2 is filled in 3 in filling component.Porous polymeric nitride layer 2 is set by filling component 3
It sets in gc column tube 1, i.e., porous polymeric nitride layer 2 is fixed first is coated on filling component 3, then again by fixed coated with more
The filling component 3 of pore polymer layer 2 is fixed in gc column tube 1, prevents porous polymeric nitride layer 2 from falling off in outside gc column tube 1, shadow
Ring the accuracy of the chromatography result of gc column tube 1.
More specifically, as shown in Figure 1-Figure 3, filling component 3 includes fixed net cover 31 and at least two casings 33, is fixed
Net cover 31 is in the cylindrical shape with grid, and at least two casings 33 prolong the axial direction of fixed net cover 31 and are successively socketed on
The periphery of fixed net cover 31.Porous polymeric nitride layer 2 is fixed first to be coated on fixed net cover 31, then fixes net cover 31 by extremely
Few two casings 33 fixation is connected in gc column tube 1.Specifically, axial direction of at least two casings 33 along fixed net cover 31
It is successively socketed on the periphery of fixed net cover 31, realizes that at least two casings 33 are socketed in the periphery of fixed net cover 31.
During installation, the axial direction that at least two casings 33 prolong fixed net cover 31 is successively socketed on the outer of fixed net cover 31
Different porous polymeric nitride layer 2 is fixed from the different corresponding position of casing 33 coatings in fixed net cover 31, i.e., in casing in week
33 corresponding positions coatings are socketed next casing 33 after fixing a kind of porous polymeric nitride layer 2 again, while it is another to coat fixation
Kind porous polymeric nitride layer 2.It is coated in fixed net cover 31 from the different corresponding positions of casing 33 to a variety of porous polymeric nitride layer 2
After fixing, then filling component 3 is inserted into gc column tube 1, to realize with a kind of a variety of samples to be tested of chromatogram column analysis.
It is to be appreciated that in the present embodiment, including at least two casings 33, at least two casings 33 are successively socketed in
The periphery of fixed net cover 31, realization coating is fixed, and there are many fixation net cover 31 of porous polymer layer 2 is a variety of different to analyze
Analysans, for improving the efficiency of chromatography.
Specifically, as shown in Figure 1-Figure 3, the mounting means of the present embodiment casing 33 is first to coat one on fixed net cover 31
Kind porous polymeric nitride layer 2, is then socketed first casing 33, then coats another porous polymer on fixed net cover 31 again
Layer 2, refills second casing 33, and then the entirety of fixed net cover 31 and casing 33 is filled in gc column tube 1, to realize more
A casing 33 shows the fixation net cover 31 for coating different types of porous polymeric nitride layer 2, a variety of different wait divide for analyzing
Analyse object.The number of specific casing 33, selects according to actual needs.
It is to be appreciated that fixed net cover 31 is in the cylindrical shape with grid in the present embodiment, in order to ensure porous poly-
Closing nitride layer 2 can be fixed on very well on fixed net cover 31；Fixed net cover 31 is in the cylindrical shape with grid, and fixes net cover 31
Grid should be smaller, increase fixed force of the porous polymeric nitride layer 2 on fixed net cover 31, so that porous polymeric nitride layer 2 will not
It is leaked out from the grid, guarantees the accuracy of the chromatography result of gc column tube 1.The size of the grid of fixed net cover 31, is answered
It selects according to actual needs.
More specifically, the outer wall of at least two casings 33 is abutted with the inside of gc column tube 1；Porous polymeric nitride layer 2 is filled
Corresponding portion in fixed net cover 31.As above, porous polymeric nitride layer 2 is coated on fixed net cover 31, then by successively setting
The casing 33 set is set in gc column tube 1.Therefore, the outer wall of casing 33 is abutted with the inside of gc column tube 1, could will be coated
There is the fixation net cover 31 of porous polymeric nitride layer 2 to be fixed in gc column tube 1.
Further, after fixing due to fixed net cover 31 by the casing 33 set gradually, then chromatography is integrally filled in
In column tube 1, to realize that multiple casings 33 show the effect for coating the fixation net cover 31 of different types of porous polymeric nitride layer 2
Fruit.Therefore, porous polymeric nitride layer 2 is filled in the corresponding portion in fixed net cover 31, and corresponding portion herein refers to fixed net
Part corresponding with casing 33 on set 31, by fixed net cover 31 part corresponding with casing 33 fill variety classes respectively
Different types of porous polymeric nitride layer 2 can be effectively fixed in gc column tube 1, anti-anti-avulsion by required porous polymeric nitride layer 2
It falls.
Further, the corresponding position in casing 33 is filled at least two porous polymeric nitride layer 2.It is porous poly- as above
Close nitride layer 2 and be filled in the corresponding portion in fixed net cover 31, corresponding portion herein refer on fixed net cover 31 with casing 33
Corresponding part, by fixed net cover 31 part corresponding with casing 33 fill variety classes respectively needed for porous polymeric
Different types of porous polymeric nitride layer 2 can be effectively fixed in gc column tube 1, prevent from falling off by nitride layer 2.Herein similarly, until
Corresponding position in few two casings 33 is filled at least two porous polymeric nitride layer 2.The corresponding position refers at least two
It is corresponding with fixed net cover 31 for filling the position of two kinds of porous polymeric nitride layer 2 in casing 33.Since casing 33 includes at least
Two, therefore can be used for filling at least two porous polymeric nitride layer 2.The specifically type of two kinds of porous polymeric nitride layer 2 of filling
Number selects according to actual needs, and the present embodiment is not especially limited this.
Further, as shown in Figure 1-Figure 3, fixed net cover 31 is provided with cynapse 34, and cynapse 34 is positioned close to chromatographic column
The side at the center of pipe 1.Specifically, porous polymeric nitride layer 2 passes through fixed net cover 31 and is arranged in filling component 3 in the present embodiment
On, meanwhile, the porous polymeric nitride layer 2 being coated on is fixed in gc column tube 1 by filling component 3, will be porous with this
Polymeric layer 2 is fixed in gc column tube 1.
In order to which further porous polymeric nitride layer 2 is fixed on fixed net cover 31, can be set on fixed net cover 31 prominent
Touching 34, cynapse 34 is positioned close to the side at the center of gc column tube 1, can be by cynapse 34 preferably by porous polymeric nitride layer
2 coatings are fixed on fixed net cover 31, and then fixed net cover 31 is fixed in gc column tube 1, prevent from being fixed on fixed net cover
Porous polymeric nitride layer 2 on 31 falls off out of gc column tube 1, influences the accuracy of the practical chromatography result of gc column tube 1.
Further, the height of cynapse 34 is 0.09 millimeter~0.13 millimeter.Specifically, being by solid in the present embodiment
The cynapse 34 for determining to be arranged on net cover 31 is fixed on porous polymeric nitride layer 2 on fixed net cover 31, Lai Tigao porous polymeric nitride layer 2
Fixed effect in gc column tube 1 prevents from falling off.Therefore, which should can neither influence porous polymeric nitride layer 2
Fixed effect on fixed net cover 31 not will lead to also since the setting of cynapse 34 generates limit to the space in gc column tube 1
System, the height of cynapse 34 should be arranged in relatively reasonable range.Specifically, 34 height of cynapse can be 0.09 millimeter,
It can be 0.1 millimeter, can also be 0.13 millimeter or other height.It is selected according to actual needs in specifically used.
Further, casing 33 is additionally provided at least one positioning component 32, and positioning component 32 will be for that will fix net cover 31
It is clamped on casing 33, effectively solves the problems, such as that fixation net cover 31 is easy to happen when being fixed in gc column tube 1 and fall off.I.e.
As above, porous polymeric nitride layer 2 passes through fixed net cover 31 and is arranged in gc column tube 1；And fixed net cover 31 passes through at least one
A positioning component 32 is fixed on casing 33.It is arranged that is, porous polymeric nitride layer 2 passes through fixed net cover 31 in gc column tube
In 1, meanwhile, the porous polymeric nitride layer 2 being coated on is fixed in gc column tube 1 by fixed net cover 31.
Therefore, to prevent fixed net cover 31 from falling off, the porous polymeric nitride layer 2 coated thereon is caused to fall off, shadow
The accuracy for ringing the chromatography result of gc column tube 1, can be additionally provided at least one positioning component 32 in casing 33, position
Component 32 is clamped on casing 33 for that will fix net cover 31.It is to be appreciated that positioning component 32 is specifically as follows buckle,
It can be chuck, as long as can prevent fixed net cover 31 from falling off, the present embodiment is not especially limited this.
Specifically, positioning component 32 can be 1, or 2 or 3.Further, as shown in Figure 1-Figure 3,
Net cover 31 is fixed as any one in metallic sieve, glass sieve, ceramic screen, fiber screen.The fixation net cover of each material
31 adaptability to changes, material property are different, in actual needs, can select according to actual needs, the present embodiment does not make this
It is specific to limit.
Further, 1 inner wall of gc column tube is provided with concave convex texture (not shown).To make porous polymeric nitride layer 2
It is capable of fixing and is arranged in gc column tube 1, prevent from falling off, 1 inner wall of gc column tube can be provided with concave convex texture, porous polymeric
The concave convex texture setting that nitride layer 2 is arranged by 1 inner wall of gc column tube in 1 inner wall of gc column tube, increase porous polymeric nitride layer 2 with
The friction of the junction of 1 inner wall of gc column tube, so that porous polymeric nitride layer 2 is preferably fixed on 1 inner wall of gc column tube.
Further, as shown in Figure 1-Figure 3, filling component 3 is with a thickness of 0.3 millimeter~0.5 millimeter.Specifically, filling part
The thickness of part 3 has a significant impact for the coating fixed effect of porous polymeric nitride layer 2 on it.Therefore, in actual use process
In, it is solid to carry out the coating of porous polymeric nitride layer 2 on it to select the thickness of suitable filling component 3 according to actual needs
It is fixed, thus the coating fixed effect of porous polymeric nitride layer 2 on it.It, can also be with specifically, filling component is with a thickness of 0.3 millimeter
It is 0.35 millimeter, can also is 0.4 millimeter or 0.5 millimeter or other thickness, as long as making porous polymeric nitride layer 2 on it
Coating fixed effect meet actual needs, it is specifically used in select according to actual needs.
Further, as shown in Figure 1-Figure 3, the length of gc column tube 1 is 0.2 meter~6 meters.According to the type of analysans
Difference, the effect that analysis is actually needed is different, so the length of gc column tube 1 is also different.Specifically, gc column tube 1
Length can be 0.2 meter, or 2 meters, 4 meters can also be 6 meters or other length.Such as in actual use, standard
The gc column tube 1 of column length meets most applications；The shorter gc column tube 1 of length is fast commonly used in the simple sample of progress
Speed analysis；And the longer gc column tube 1 of length is used for the analysis of complex compound, in actual use, longer column length
Degree be 9 meters, shorter chromatogram column length be 0.2 meter, it is specifically used in select according to actual needs.
Further, as shown in Figure 1-Figure 3, the internal diameter of gc column tube 1 is 1 millimeter~6 millimeters.Similarly, according to be analyzed
The type of object is different, and the effect that analysis is actually needed is different, so the internal diameter of gc column tube 1 is also different.Specifically, chromatography
The internal diameter of column tube 1 be 1 millimeter, can be 2.1 millimeters, can be 3 millimeters, can also be 6 millimeters or other internal diameters, such as
In actual use, large diameter chromatographic column can carry bigger applied sample amount, with the chromatographic column of very large diameter, single injected sampling
Many samples are purified, the chromatographic column of large diameter has preferably anti-" solvent effect " ability, even if usually solvent compatibility is not that
In the case where good, large diameter chromatographic column is easier to obtain better peak type；Small internal diameter chromatographic column has solvent saving and mass spectrum
The feature of compatibility, in actual use, biggish chromatography column internal diameter are 6 millimeters, and lesser chromatography column internal diameter is 0.75 millimeter,
It is selected according to actual needs in specifically used.
Further, the both ends of column tube are respectively equipped with ferrule fitting (not shown).In actual use, gc column tube 1
The both ends of column tube be attached with chromatograph, and then carry out chromatography.It therefore, can be at the both ends of gc column tube 1
It is respectively equipped with ferrule fitting, the both ends of gc column tube 1 are connected on chromatograph by the ferrule fitting, carries out chromatography point
Analysis.
The utility model provides a kind of gas-chromatography packed column, comprising: gc column tube, porous polymeric nitride layer and filling part
Part；Wherein filling component includes fixed net cover and at least two casings；Wherein fixing net cover is in the cylindrical shape with grid,
And the axial direction that at least two casings prolong fixed net cover is successively socketed on the periphery of fixed net cover；And at least two casings
Outer wall abutted with the inside of gc column tube；Porous polymeric nitride layer is filled in the corresponding portion in fixed net cover.
In the prior art, exist and need to analyze in sample to be tested mixture using a kind of chromatographic column is as much as possible
Component and filler do not allow the technical issues of being fixed easily.Therefore, compared with prior art, gas phase color provided by the utility model
Compose packed column, by filling component be filled with the different filler of multistage solve need in the prior art it is most using a kind of chromatographic column
The component analyzed in sample to be tested mixture more than possible, while filling component is improved by net cover and casing to filling
The fixed function of object, filler does not allow the technical issues of being fixed easily in very good solution reality.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as belonging to
In the protection scope of the utility model.
Claims (10)
1. a kind of gas-chromatography packed column characterized by comprising gc column tube, porous polymeric nitride layer and filling component；Its
In,
The filling component includes fixed net cover and at least two casings, and the fixed net cover is in the cylinder with grid
Shape, described sleeve pipe are successively socketed on the periphery of the fixed net cover along the axial direction of the fixed net cover, described sleeve pipe it is outer
Wall is abutted with the inside of the gc column tube；
The porous polymeric nitride layer is filled in the fixed net cover.
2. gas-chromatography packed column according to claim 1, which is characterized in that the corresponding position in described sleeve pipe is filled with
At least two porous polymeric nitride layer.
3. gas-chromatography packed column according to claim 1, which is characterized in that the fixed net cover is provided with cynapse, institute
State the side that cynapse is positioned close to the center of the gc column tube.
4. gas-chromatography packed column according to claim 3, which is characterized in that the height of the cynapse is 0.09~0.13
Millimeter.
5. gas-chromatography packed column according to claim 3, which is characterized in that it is fixed that described sleeve pipe is additionally provided at least one
Hyte part, the positioning component are used to the fixed net cover being clamped on described sleeve pipe.
6. gas-chromatography packed column according to claim 4, which is characterized in that the fixed net cover is metallic sieve, glass
Glass sieve, ceramic screen, any one in fiber screen.
7. gas-chromatography packed column according to claim 5, which is characterized in that the gc column tube inner wall is provided with bumps
Lines.
8. described in any item gas-chromatography packed columns according to claim 1~6, which is characterized in that the filling component thickness
It is 0.3 millimeter~0.5 millimeter.
9. gas-chromatography packed column according to claim 7, which is characterized in that the length of the gc column tube is 0.2 meter
~6 meters.
10. gas-chromatography packed column according to claim 8, which is characterized in that the internal diameter of the gc column tube is 1 millimeter
~6 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821770791.6U CN209372775U (en) | 2018-10-30 | 2018-10-30 | A kind of gas-chromatography packed column |
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|---|---|---|---|
| CN201821770791.6U CN209372775U (en) | 2018-10-30 | 2018-10-30 | A kind of gas-chromatography packed column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569657A (en) * | 2020-04-22 | 2020-08-25 | 中国工程物理研究院材料研究所 | Method for manufacturing spiral separation column and equipment for realizing method |
| CN114509522A (en) * | 2021-10-11 | 2022-05-17 | 聚光科技(杭州)股份有限公司 | Gas separation device and method based on chromatographic technology |
-
2018
- 2018-10-30 CN CN201821770791.6U patent/CN209372775U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569657A (en) * | 2020-04-22 | 2020-08-25 | 中国工程物理研究院材料研究所 | Method for manufacturing spiral separation column and equipment for realizing method |
| CN114509522A (en) * | 2021-10-11 | 2022-05-17 | 聚光科技(杭州)股份有限公司 | Gas separation device and method based on chromatographic technology |
| CN114509522B (en) * | 2021-10-11 | 2024-05-17 | 聚光科技(杭州)股份有限公司 | Gas separation device based on chromatographic technique |
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