CN2906618Y - Dynamic axial compression chromatographic column - Google Patents
Dynamic axial compression chromatographic column Download PDFInfo
- Publication number
- CN2906618Y CN2906618Y CNU2006200712238U CN200620071223U CN2906618Y CN 2906618 Y CN2906618 Y CN 2906618Y CN U2006200712238 U CNU2006200712238 U CN U2006200712238U CN 200620071223 U CN200620071223 U CN 200620071223U CN 2906618 Y CN2906618 Y CN 2906618Y
- Authority
- CN
- China
- Prior art keywords
- chromatographic column
- connects
- ring
- piston
- dynamic axial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
- G01N30/6004—Construction of the column end pieces
- G01N30/6021—Adjustable pistons
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- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model relates to a dynamic axial compressed chromatographic column, comprising a chromatographic column(1) and a compressing unit(2), characterized in that a free column of a chromatographic column(3) is arranged on a framework(5) through a locking ring(4); the compressing unit(2) is connected with a pumping rod(6), which the other end of the piston rod(2) is connected with a piston(7); the outer wall of the piston(7) is attached on the inner wall of the chromatographic column(1) closely for sliding; the compressing unit(2) mainly comprises an air pump(18), a big flow pump(19), a control valve(20) and a cylinder(21), wherein the air pump(18) is connected with the big flow pump(19) connected with the cylinder(21) connected with the piston rod(6); and the air pump(18) is connected with the cylinder(21) through the control valve(20) and a safety valve(23). The utility model supplies a simple, easy and fast connection unit for the chromatographic column and the compressing unit for maintaining the column loading pressure and solves the problems of column surface balancing degree and pressure balance.
Description
Affiliated technical field
The utility model relates to chromatographic technique, is specifically related to the dynamic axial compression chromatography post.
Background technology
The separating effect even, stable and chromatogram of packing density is closely related in the chromatographic column bed, in order to obtain and keep all even stable of packing density, chromatogram circle generally adopts compress technique to eliminate space between filler, and relevant technology has radial compression, axial compression and compound compressed.Dynamic axial compression is to utilize air pressure or oil pressure to promote piston, the concentrated suspension of aequum is compressed to the piston stop motion, and is remaining fixation pressure in elution process, guarantee in the post bed that inserts is stable, density evenly or eliminate the space.
The chromatographic column of dynamic axial compression is finished charging and is compressed on specialized equipment, being about to the chromatographic column column jecket is installed on the frame by flange, adopt air pressure or hydraulic drive piston dress post, by flange installing and locating chromatographic column, the fitting operation program is loaded down with trivial details on the one hand, the mounting plane quality of balance is difficult to control on the other hand, adopts the easy loss of equilibrium of air pressure or hydraulic drive piston dress column pressure, the dress post weak effect of chromatographic column.
Summary of the invention
The purpose of this utility model is: a kind of dynamic axial compression chromatography post is provided, and this chromatographic column is connected simple, convenient, fast with frame, axially adorn the column pressure equilibrium, and the dress post is effective.
Technical solution of the present utility model is: this chromatographic column comprises chromatographic column and compression set, it is characterized in that: the chromatographic column void column is installed on the frame by locking device, compression set connects piston rod, the other end of piston rod connects piston, piston outer wall is close to the chromatographic column inwall and is slided in post, the retaining ring of described locking device for establishing on the styletable mouth outer wall of chromatogram void column, retaining ring and frame are fixedly connected into integral body during installation.
In the utility model dynamic axial compression chromatography post, described piston mainly is made up of gland, pressure ring, divider, plug net, gland is connected on the piston rod, connect pressure ring on the gland, pressure ring is by the divider of packoff connecting band dispensing orifice, connection plug net on the divider, the pipeline that is communicated with divider connects outside the post.
In the utility model dynamic axial compression chromatography post, packoff is U-shaped O-ring seal and bowl ring, and pressure ring is by U-shaped O-ring seal and bowl ring and chromatographic column inwall and piston seal.
In the utility model dynamic axial compression chromatography post, the gland of described piston connects pressure ring by guide ring, and guide ring guarantees the vertical movement of piston in chromatographic column.
In the utility model dynamic axial compression chromatography post, described compression set mainly is made up of air pump, high-capacity pump, operation valve, oil cylinder, the air pump that connects air pressure valve connects high-capacity pump, high-capacity pump connects oil cylinder, oil cylinder connects piston rod, air pump connects oil cylinder by operation valve, connects hydraulic valve and safety valve on the operation valve.
During the dress post, quickly the plane balancing degree is fixed and kept to chromatographic column void column and frame by retaining ring, the compression set that air pressure and hydraulic pressure exchange is fixed the post bed by piston rod and piston, and can overcome the space that produces in the elution process.
The utility model solves cylinder plane balancing degree and equalization of pressure problem for chromatographic column provides simply, coupling arrangement and keep the compression set of dress column pressure easily and efficiently, can be widely used in the chromatographic column of all size.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the compression set synoptic diagram of Fig. 1.
Among the figure: 1. chromatographic column, 2. compression set, 3. chromatographic column void column, 4. retaining ring, 5. frame, 6. piston rod, 7. piston, 8. gland, 9. guide ring, 10. pressure ring, 11. dividers, 12. plug nets, 13. dispensing orifices, 14. packoff, 15.U shape O-ring seal, 16. bowl rings, 17. pipelines, 18. air pump, 19. high-capacity pumps, 20. operation valves, 21. oil cylinders, 22. air pressure valve, 23. safety valve, 24. hydraulic valves, 25. retaining valves.
Embodiment
As shown in Figure 1, this chromatographic column comprises chromatographic column 1 and compression set 2, it is characterized in that: chromatographic column void column 3 is installed on the frame 5 by locking device, compression set 2 connects piston rod 6, the other end of piston rod 6 connects piston 7, piston 7 outer walls are close to chromatographic column 1 inwall and are slided in post, the retaining ring 4 of described locking device on the styletable mouth outer wall of chromatogram void column 3, establishing, and retaining ring 4 is fixedly connected into integral body with frame 5 during installation.
In the utility model dynamic axial compression chromatography post, described piston 7 mainly is made up of gland 8, pressure ring 10, divider 11, plug net 12, gland 8 is connected on the piston rod 6, connect pressure ring 10 on the gland 8, pressure ring 10 is by the divider 11 of packoff 14 connecting band dispensing orifices 13, connection plug net 12 on the divider 11, the pipeline 17 that is communicated with divider 11 connects outside the post.
In the utility model dynamic axial compression chromatography post, packoff 14 is U-shaped O-ring seal 15 and bowl ring 16, and pressure ring 10 is by U-shaped O-ring seal 15 and bowl ring 16 and chromatographic column 1 inwall and piston 7 sealings.
In the utility model dynamic axial compression chromatography post, the gland 8 of described piston 7 connects pressure ring 10 by guide ring 9, and guide ring 9 guarantees the vertical movement of piston 7 in chromatographic column 1.
In the utility model dynamic axial compression chromatography post, as shown in Figure 2, described compression set 2 mainly is made up of air pump 18, high-capacity pump 19, operation valve 20, oil cylinder 21, the air pump 18 that connects air pressure valve 22 connects high-capacity pump 19, high-capacity pump 19 connects oil cylinder 21, oil cylinder 21 connects piston rod 6, and air pump 18 connects oil cylinder 21 by operation valve 20, connects hydraulic valve 24, safety valve 23 and retaining valve 25 on the operation valve 20.
During the dress post, quickly the plane balancing degree is fixed and kept to chromatographic column void column 3 and frame 5 by retaining ring 4, the compression set 2 that air pressure and hydraulic pressure exchange is fixed the post bed by piston rod 6 and piston 7, and can overcome the space that produces in the elution process.
Claims (5)
1. dynamic axial compression chromatography post, this chromatographic column comprises chromatographic column (1) and compression set (2), it is characterized in that: chromatographic column void column (3) is installed on the frame (5) by locking device, compression set (2) connects piston rod (6), the other end of piston rod (6) connects piston (7), piston (7) outer wall is close to chromatographic column (1) inwall and is slided in post, the retaining ring (4) of described locking device for establishing on the styletable mouth outer wall of chromatogram void column (3), retaining ring during installation (4) is fixedly connected into integral body with frame (5).
2. dynamic axial compression chromatography post according to claim 1, it is characterized in that: described piston (7) mainly is made up of gland (8), pressure ring (10), divider (11), plug net (12), gland (8) is connected on the piston rod (6), gland (8) is gone up and is connected pressure ring (10), pressure ring (10) is by the divider (11) of packoff (14) connecting band dispensing orifice (13), divider (11) is gone up connection plug net (12), and the pipeline (17) that is communicated with divider (11) connects outside the post.
3. dynamic axial compression chromatography post according to claim 2, it is characterized in that: described packoff (14) is U-shaped O-ring seal (15) and bowl ring (16), and pressure ring (10) is by U-shaped O-ring seal (15) and bowl ring (16) and chromatographic column (1) inwall and piston (7) sealing.
4. dynamic axial compression chromatography post according to claim 2 is characterized in that: the gland (8) of described piston (7) connects pressure ring (10) by guide ring (9).
5. dynamic axial compression chromatography post according to claim 1, it is characterized in that: described compression set (2) mainly is made up of air pump (18), high-capacity pump (19), operation valve (20), oil cylinder (21), the air pump (18) that connects air pressure valve (22) connects high-capacity pump (19), high-capacity pump (19) connects oil cylinder (21), oil cylinder (21) connects piston rod (6), air pump (18) connects oil cylinder (21) by operation valve (20), and operation valve (20) is gone up and connected safety valve (23), hydraulic valve (24) and retaining valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200712238U CN2906618Y (en) | 2006-05-02 | 2006-05-02 | Dynamic axial compression chromatographic column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200712238U CN2906618Y (en) | 2006-05-02 | 2006-05-02 | Dynamic axial compression chromatographic column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906618Y true CN2906618Y (en) | 2007-05-30 |
Family
ID=38115259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200712238U Expired - Lifetime CN2906618Y (en) | 2006-05-02 | 2006-05-02 | Dynamic axial compression chromatographic column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906618Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537343A (en) * | 2009-04-10 | 2009-09-23 | 朱靖博 | Conical dynamic axial compression high-pressure chromatographic column |
| CN101925814A (en) * | 2008-01-22 | 2010-12-22 | 通用电气健康护理生物科学股份公司 | Method for removing air from chromatography column |
| CN102500135A (en) * | 2011-10-24 | 2012-06-20 | 利穗科技(苏州)有限公司 | Fast dynamic compression chromatography column |
| CN102713600A (en) * | 2010-01-28 | 2012-10-03 | 通用电气健康护理生物科学股份公司 | Column for liquid chromatography |
| CN107144658A (en) * | 2017-06-29 | 2017-09-08 | 江苏汉邦科技有限公司 | A kind of Novel chromatographic column being vented |
-
2006
- 2006-05-02 CN CNU2006200712238U patent/CN2906618Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101925814A (en) * | 2008-01-22 | 2010-12-22 | 通用电气健康护理生物科学股份公司 | Method for removing air from chromatography column |
| CN101925814B (en) * | 2008-01-22 | 2013-09-04 | 通用电气健康护理生物科学股份公司 | Method for removing air from chromatography column |
| CN101537343A (en) * | 2009-04-10 | 2009-09-23 | 朱靖博 | Conical dynamic axial compression high-pressure chromatographic column |
| CN102713600A (en) * | 2010-01-28 | 2012-10-03 | 通用电气健康护理生物科学股份公司 | Column for liquid chromatography |
| CN102713600B (en) * | 2010-01-28 | 2014-10-01 | 通用电气健康护理生物科学股份公司 | Column for liquid chromatography |
| CN102500135A (en) * | 2011-10-24 | 2012-06-20 | 利穗科技(苏州)有限公司 | Fast dynamic compression chromatography column |
| CN102500135B (en) * | 2011-10-24 | 2014-01-29 | 利穗科技(苏州)有限公司 | Fast dynamic compression chromatography column |
| CN107144658A (en) * | 2017-06-29 | 2017-09-08 | 江苏汉邦科技有限公司 | A kind of Novel chromatographic column being vented |
| CN107144658B (en) * | 2017-06-29 | 2019-10-15 | 江苏汉邦科技有限公司 | A kind of Novel chromatographic column being vented |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070530 |
|
| EXPY | Termination of patent right or utility model |