CN209460217U - A kind of chromatographic column - Google Patents
A kind of chromatographic column Download PDFInfo
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- CN209460217U CN209460217U CN201821667952.9U CN201821667952U CN209460217U CN 209460217 U CN209460217 U CN 209460217U CN 201821667952 U CN201821667952 U CN 201821667952U CN 209460217 U CN209460217 U CN 209460217U
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- chromatotube
- damped part
- chromatographic column
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Abstract
The utility model provides a kind of chromatographic column, and including damped part and hollow chromatotube, the overall diameter of damped part is less than the interior diameter of chromatotube, and damped part is set in the hollow pipeline of chromatotube.Compared with prior art, chromatographic column provided by the utility model, solution is mostly the chromatographic column of certain specification in the prior art, accurate chromatography cannot be carried out by the analysans to small molecule structure well, and the problem of existing chromatographic column is to the analysis result badly of the analysans of small molecule structure, therefore, chromatographic column provided by the utility model, by the way that damped part is arranged, so that speed when analysans passes through chromatographic column slows down, accurate chromatography is carried out so as to the analysans to small molecule structure.
Description
Technical field
The utility model relates to chromatography field more particularly to a kind of chromatographic columns.
Background technique
Chromatography is a kind of separation analysis means, and separation is core, therefore the chromatographic column for undertaking centrifugation is chromatographic system
Heart.Chromatographic column is made of column tube, pressure cap, cutting ferrule (sealing ring), sieve plate (filter disc), connector, screw etc..Column tube is mostly used stainless
Steel is made, and heavy-walled glass or quartz ampoule can also be used, and inside pipe wall requires have very high finish.When due to chromatography, not only
The analysans of macromolecular structure can be analyzed, can also analyze the analysans of small molecule structure, macromolecular structure and small point
For minor structure due to sole mass difference, the speed Jing Guo chromatographic column is also different.And currently there are chromatographic column
Mostly it is the chromatographic column of certain specification, accurate chromatography cannot be carried out by the analysans to small molecule structure very well, thus
Analysis result badly of the existing chromatographic column to the analysans of small molecule structure.Therefore it provides a kind of chromatographic column, it can be to small
The analysans of molecular structure carries out accurate chromatography, is that existing market needs.
Utility model content
The main technical problems to be solved in the utility model be to provide it is a kind of can analysans to small molecule structure into
The chromatographic column of the accurate chromatography of row, cannot be well to small molecule knot to solve the chromatographic column of certain specification in the prior art
The analysans of structure carries out the problem of accurate chromatography and analysis result badly.
In order to solve the above technical problems, the utility model provides a kind of chromatographic column, including damped part and hollow chromatography
Pipe, the overall diameter of damped part are less than the interior diameter of chromatotube, and damped part is set in the hollow pipeline of chromatotube.
Further, damped part is less than the length that chromatotube extends along its length along the length of length extending direction.
Further, damped part includes upper port, lower port；Chromatotube includes air inlet, gas outlet.
Upper port is concordant with air inlet；Or
Lower port is concordant with gas outlet；Or
Upper port is vertically lower than air inlet and lower port is positioned vertically higher than gas outlet.
Further, sealing element is provided at upper port and lower port.
Further, damped part is connected in the hollow pipeline of chromatographic column by laser welding.
Further, damped part includes damping column or hollow damper tube.
Further, the interior diameter of the overall diameter of damping column or damper tube reduces or increases along the direction far from air inlet
Greatly.
Further, the outer wall of damping column or the inner wall of damper tube are provided with lines.
Further, drying device is equipped at air inlet.
Further, drying device includes dry adsorption layer, and dry adsorption layer is arranged in the hollow pipeline of chromatotube
On wall.
The beneficial effects of the utility model are:
The utility model provides a kind of chromatographic column, including damped part and hollow chromatotube, the overall diameter of damped part
Less than the interior diameter of chromatotube, damped part is set in the hollow pipeline of chromatotube.Compared with prior art, the utility model
The chromatographic column of offer solves the chromatographic column of certain specification in the prior art, cannot be well to the analysans of small molecule structure
The problem of carrying out accurate chromatography and analysis result badly.Therefore, chromatographic column provided by the utility model is hindered by setting
Buddhist nun's component carries out so that speed when analysans passes through chromatographic column slows down so as to the analysans to small molecule structure
Accurate chromatography.
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 a kind of knot of the chromatographic column of the first way provided by the embodiment of the utility model for being provided with damped part
Structure schematic diagram；
Fig. 2 is a kind of knot of the chromatographic column of the second way provided by the embodiment of the utility model for being provided with damped part
Structure schematic diagram；
Fig. 3 is the structural schematic diagram of the chromatographic column provided by the embodiment of the utility model for being provided with another damped part.
Appended drawing reference:
1, chromatotube；2, damped part；10, drying device；11, air inlet；12, gas outlet；13, hollow pipeline；21, on
Port；22, lower port；23, lines.
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, such as: may be a fixed connection, 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.
To solve the chromatographic column that chromatographic column in the prior art is mostly certain specification, cannot very well to small molecule structure to
Analyte carries out accurate chromatography, and have existing chromatographic column to the analysis result of the analysans of small molecule structure not
Good problem.A kind of chromatographic column is present embodiments provided, including damped part and hollow chromatotube, the overall diameter of damped part
Less than the interior diameter of chromatotube, damped part is set in the hollow pipeline of chromatotube.
Specifically, referring to Figure 1, Fig. 2, Fig. 3, chromatographic column provided in this embodiment includes chromatotube 1 and damped part 2.
When analyzing the analysans of small molecule structure, due to the analysans lighter weight of small molecule structure, passing through chromatotube 1
When, it is bad to eventually lead to chromatography effect so that analysis is not exclusively for excessive velocities.In chromatographic column provided in this embodiment
It is provided with damped part 2, speed of the analysans of small molecule structure by chromatotube 1 when can be slowed down, so that small molecule structure
Analysans chromatography result it is more accurate.
Further, referring to Figure 1, Fig. 2, Fig. 3, chromatotube 1 include air inlet 11, gas outlet 12, hollow pipeline 13
Both ends are connect with air inlet 11 and gas outlet 12 respectively.Damped part 2 includes upper port 21, lower port 22, and damped part 2 is set to
In the hollow pipeline 13 of chromatographic column.Specifically, damped part 2 can also can be connected by laser by welding
Mode is set in the hollow pipeline 13 of chromatotube 1, and specific fixing mode can be not limited to the mode that the present embodiment provides,
As long as realizing that damped part 2 can be set in chromatotube 1, the present embodiment is not especially limited this.
It is to be appreciated that being so that damped part 2 is set in chromatotube 1, by reducing setting in 1 internal resistance of chromatotube
The mode of the outer diameter of Buddhist nun's component 2 reduces the cross section that the analysans of small molecule structure flows through chromatotube 1, reduces small molecule knot
The analysans of structure flows through the flow of chromatotube 1, so that the speed that analysans flows through chromatotube 1 is reduced, so that small point
The chromatography result of the analysans of minor structure is more accurate.In order to preferably reach such effect, damped part 2 it is outer
Diameter needs to be less than the internal diameter of the hollow pipeline 13 of chromatotube 1.Specifically, in the size of the outer diameter of damped part 2, chromatotube 1
The size and the difference between them of 13 internal diameter of vacant duct, depending on the circumstances, the present embodiment does not limit this specifically
It is fixed.
Further, damped part 2 is less than chromatotube 1 along the length of length extending direction along the length of length extending direction
Degree.Since damped part 2 is to be arranged in chromatotube 1, thus damped part 2 flows through chromatography to the analysans of small molecule structure
The speed of pipe 1 plays the role of one and slows down.
Specifically, as shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, on the length extending direction of chromatotube 1, damping
The length of component 2 is less than the length of chromatotube 1, and the outer diameter of damped part 2 needs to be less than the interior of the hollow pipeline 13 of chromatotube 1
Diameter, therefore damped part 2 has the speed for flowing through chromatotube 1 to the analysans of small molecule structure to slow down effect, it is specific to hinder
The difference that the length of Buddhist nun's component 2 is less than the length of chromatotube 1 depends on the circumstances, and the present embodiment is not especially limited this.
Further, as shown in Figure 1, Figure 2, Figure 3 shows, the damped part 2 of the present embodiment includes upper port 21, lower port 22,
Chromatotube 1 includes air inlet 11, gas outlet 12, and upper port 21 is concordant with air inlet 11, or, lower port 22 and gas outlet 12 are flat
Together, or, upper port 21 is vertically lower than air inlet 11, lower port 22 is positioned vertically higher than gas outlet 12.
Specifically, as shown in Figure 1, the length due to damped part 2 along length extending direction should be set smaller than chromatotube 1
Along the length of length extending direction, when the upper port 21 of damped part 2 is concordant with air inlet 11, damped part 2 is arranged in color
At the upper section for composing pipe 1, the upper surface of damped part 2 is concordant with the end face of chromatotube 1.As shown in Figure 1, making small molecule structure
Analysans can slowly enter in the tubing string of chromatotube 1, then very fast outflow, can obtain better analytical effect.
Specifically, as shown in Fig. 2, damped part 2 is arranged when the lower port 22 of damped part 2 is concordant with gas outlet 12
It is concordant with the end face of chromatotube 1 in the bottom face of the lower section of chromatotube 1, damped part 2, so that small molecule structure is to be analyzed
After object can be rapidly introduced into the tubing string of chromatotube 1, then slowly outflow, better analytical effect can be obtained.
In addition, the upper port 21 when damped part 2 is vertically lower than air inlet 11, lower port 22 in vertical direction
When being above higher than gas outlet 12, the middle section of chromatotube 1 is arranged in damped part 2 (the present embodiment does not provide schematic diagram).It needs
It is bright, no matter damped part 2 be arranged at the upper section of chromatotube 1, lower section or middle section, do not affect damped part 2
Play the role of one to the speed that the analysans of small molecule structure flows through chromatotube 1 to slow down, therefore, can select according to actual needs
The position that damped part 2 is arranged in chromatotube 1 is selected, the present embodiment is not especially limited this.
Further, in the present embodiment, sealing element (figure is provided at the upper port 21 and lower port 22 of damped part 2
In be not shown).It, in use, should also be at upper port 21 and lower port 22 to ensure result reliability when chromatography
It is provided with sealing element, it is ensured that the airtightness in chromatotube 1.Specifically, sealing element can be gasket seal, it is also possible to other tools
There is the component of sealing function, the present embodiment is not especially limited this.
Further, damped part 2 is by laser welding in the hollow pipeline 13 of chromatotube 1.In the prior art, it will hinder
In general the mode that Buddhist nun's component 2 is set in chromatotube 1 is by laser welding, naturally it is also possible to be not limited only to this implementation
The laser welding mode that example provides, specific connection type depend on the circumstances, and the present embodiment is not especially limited this.
Fig. 2 is referred to, in the present embodiment, drying device 10 is equipped at the air inlet 11 of chromatotube 1, drying device 10 wraps
Dry adsorption layer is included, dry adsorption layer is arranged on the tube wall of hollow pipeline 13.To avoid having part dirty in the carrier gas after gasification
Dye object is doped into chromatographic column, influences the chromatography result accuracy of analysans, needs to be equipped at air inlet 11 dry
Dry device 10.
Specifically, drying device 10 can be dry adsorption layer, dry adsorption layer is arranged on the tube wall of hollow pipeline 13,
To carry out a dry decontamination processing to the carrier gas after gasification, the chromatography accuracy of analysans is improved.
Further, damped part 2 includes damper tube or damping column.Fig. 3 is referred to, is that a kind of damped part 2 is in Fig. 3
The structural schematic diagram of damping column.Damped part 2 flows through the speed of chromatotube 1 for reducing the analysans of small molecule structure, makes
The analysans for obtaining small molecule structure can preferably carry out chromatography, and result is also more accurate.
Specifically, damped part 2, which can be damper tube, is also possible to damping column, damped part 2 is not affected to small molecule
The speed that the analysans of structure flows through chromatotube 1 plays the role of slowing down.Therefore, damped part can be selected according to actual needs
2 structure and type, the present embodiment are not especially limited this.
As shown in Fig. 2, damped part 2 is damping column or damper tube in one embodiment of the utility model.Specifically
, the overall diameter of damping column or the interior diameter of damper tube reduce along the direction far from air inlet 11, when carrying out chromatography,
When needing analysans with speed first quick and back slow by chromatotube 1, the overall diameter or damper tube of damping column can be set
Interior diameter reduces along the direction far from air inlet 11, after enabling to analysans to be rapidly introduced into the tubing string of chromatotube 1,
Slowly outflow again, so that analytical effect is more preferable.
Further, as shown in Figure 1, in another embodiment of the utility model, damped part 2 is damping column or resistance
Buddhist nun's pipe.Specifically, the overall diameter of damping column or the interior diameter of damper tube increase along the direction far from air inlet 11, color is being carried out
When spectrum analysis, after need analysans first slow fastly by chromatotube 1 when, the overall diameter or damper tube of damping column can be set
Interior diameter increases along the direction far from air inlet 11, and analysans is enabled to slowly little by little to enter the pipe of chromatotube 1
In column, then very fast outflow, so that analytical effect is more preferable.
As shown in Figure 1, Figure 2, in the present embodiment, 2 inner wall of damped part is provided with lines 23.Damped part 2 is used known to above
The speed of chromatotube 1 is flowed through in the analysans for reducing small molecule structure, allows the analysans of small molecule structure more preferable
Carry out chromatography, result is also more accurate.When the analysans for needing to further decrease small molecule structure flows through chromatography
The speed of pipe 1 can also be provided with lines 23 in 2 inner wall of damped part when obtaining the chromatography result of more pinpoint accuracy, have
The lines 23 of body can be frosted lines etc., and the analysans for further slowing down small molecule structure flows through the speed of chromatotube 1, makes
It is higher to obtain chromatography accuracy.
The utility model provides a kind of chromatographic column, including damped part and hollow chromatotube, the overall diameter of damped part
Less than the interior diameter of chromatotube, damped part is set in the hollow pipeline of chromatotube.Compared with prior art, the utility model
The chromatographic column of offer, being able to solve the certain chromatographic column of specification in the prior art cannot be very well to the analysans of small molecule structure
The problem of carrying out accurate chromatography, analysis result badly.Therefore, chromatographic column provided by the utility model passes through setting damping
Component enables to speed of the analysans by chromatographic column when to slow down, so as to the analysans to small molecule structure into
The accurate chromatography of row.
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 (6)
1. a kind of chromatographic column, which is characterized in that including damped part and hollow chromatotube, the overall diameter of the damped part is small
In the interior diameter of the chromatotube, the damped part is set in the hollow pipeline of the chromatotube；
The damped part is less than the length of the chromatotube along the length of the length extending direction of the chromatotube；
The damped part includes upper port, lower port；The chromatotube includes air inlet, gas outlet；The upper port and institute
It is concordant to state air inlet；Or the lower port is concordant with the gas outlet；Or on the length extending direction along the chromatotube,
The upper port is lower than the air inlet, and the lower port is higher than the gas outlet；
The damped part includes damping column or hollow damper tube；
The interior diameter of the overall diameter of the damping column or the damper tube is decreased or increased along the direction far from the air inlet.
2. being provided with sealing element at chromatographic column as described in claim 1, the upper port and the lower port.
3. chromatographic column as described in claim 1, which is characterized in that the damped part is by laser welding in the chromatotube
The hollow pipeline in.
4. chromatographic column as described in claim 1, which is characterized in that the inner wall of the outer wall of the damping column or the damper tube is set
It is equipped with lines.
5. chromatographic column as described in claim 1, which is characterized in that be equipped with drying device at the air inlet.
6. chromatographic column as claimed in claim 5, which is characterized in that the drying device includes dry adsorption layer, the drying
Adsorption layer is arranged on the inner wall of the hollow pipeline of the chromatotube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667952.9U CN209460217U (en) | 2018-10-15 | 2018-10-15 | A kind of chromatographic column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667952.9U CN209460217U (en) | 2018-10-15 | 2018-10-15 | A kind of chromatographic column |
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| CN209460217U true CN209460217U (en) | 2019-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780001A (en) * | 2019-11-05 | 2020-02-11 | 兰州东立龙信息技术有限公司 | Gas chromatographic column and preparation method thereof |
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2018
- 2018-10-15 CN CN201821667952.9U patent/CN209460217U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780001A (en) * | 2019-11-05 | 2020-02-11 | 兰州东立龙信息技术有限公司 | Gas chromatographic column and preparation method thereof |
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