CN215727944U - Chromatographic column filling instrument with pressure protection device - Google Patents
Chromatographic column filling instrument with pressure protection device Download PDFInfo
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- CN215727944U CN215727944U CN202121930267.2U CN202121930267U CN215727944U CN 215727944 U CN215727944 U CN 215727944U CN 202121930267 U CN202121930267 U CN 202121930267U CN 215727944 U CN215727944 U CN 215727944U
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Abstract
The utility model relates to a chromatographic column filling instrument with a pressure protection device, which comprises a filling tank body, a filling tank cover, a filling storage bottle, a capillary column and the pressure protection device, wherein the filling tank cover is arranged on the filling tank body; the filler tank body is of a tank body structure with a built-in cavity and an opening at the upper part; the filler tank cover is arranged at the top of the filler tank body and covers the opening of the filler tank body, so that the filler tank cover and the filler tank body form a closed structure; the filling storage bottle is arranged in the cavity, and the bottom of the filling storage bottle is fixed with the cavity bottom of the cavity; the filler storage bottle is internally provided with filler; the capillary column is inserted on the filler tank cover, and the tail end of the capillary column penetrates through the filler tank cover and extends into the filler storage bottle; the pressure protection device is sleeved outside a part of the capillary column outside the closed structure; the lower end of the pressure protection device is connected with the filler tank cover; the side wall of the packing tank body is provided with an opening for high-pressure fluid to flow in. The utility model can avoid the condition that the filling material is not uniformly filled and is difficult to fill to the required length.
Description
Technical Field
The utility model relates to the technical field of chromatographic analysis devices, in particular to a chromatographic column filling instrument with a pressure protection device.
Background
Chromatography is an important technical means widely applied to separation and analysis, and a chromatographic column is a core component of chromatographic analysis, and the quality of the performance of the chromatographic column directly influences the result of the separation and analysis. Factors influencing the performance and the column effect of the chromatographic column are many, the factors are related to the property, the shape and the particle size of the chromatographic packing and also have a great relation to the packing quality of the packing, and the more uniform the chromatographic packing is, the higher the column effect of the chromatographic column is, so that the packing link of the chromatographic column packing is very important. In the prior art, the method of repeatedly pushing and continuously impacting the packing by high-pressure gas is generally adopted for packing, and because the impact pressure of the gas with limited pressure borne by a capillary column is not too high, the packing is not uniformly packed and is not compact, and the packing length is limited by the used pressure.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a column packing instrument with a pressure protection device to avoid the situation that the packing is not uniformly packed and is difficult to be packed to a required length due to the limited pressure bearing of the capillary column.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model relates to a chromatographic column filling instrument with a pressure protection device, which comprises a filling tank body, a filling tank cover, a filling storage bottle, a capillary column and the pressure protection device; the filler tank body is of a tank body structure with a built-in cavity and an opening at the upper part; the filler tank cover is arranged at the top of the filler tank body and covers the opening of the filler tank body, so that the filler tank cover and the filler tank body form a closed structure; the filling storage bottle is arranged in the cavity, and the bottom of the filling storage bottle is fixed with the cavity bottom of the cavity; the filler storage bottle is internally provided with filler; the capillary column is inserted into the filler tank cover, and the tail end of the capillary column penetrates through the filler tank cover and extends into the filler storage bottle; the pressure protection device is sleeved outside a part of the capillary column outside the closed structure; the lower end of the pressure protection device is connected with the filler tank cover; and the side wall of the packing tank body is provided with an opening for high-pressure fluid to flow in.
The chromatographic column filling instrument preferably comprises a tank cover hollow rivet, a protective sleeve and a sealing chuck; the tank cover hollow rivet is riveted with the filler tank cover; the protective sleeve is sleeved outside the capillary column, and the lower end of the protective sleeve is connected with the hollow rivet of the tank cover; the sealing chuck is clamped at the upper end of the protective sleeve.
The chromatographic column filling instrument preferably further comprises a fluid control device, wherein the fluid control device comprises a hollow rivet of a tank body, a fluid pipeline and a three-way valve; the hollow rivet of the tank body is riveted with the side wall of the filler tank body and covers the opening; one end of the fluid pipeline is connected with the hollow rivet of the tank body, and the other end of the fluid pipeline is connected with the three-way valve.
Preferably, the three-way valve comprises a communicating pipe, a first through valve, a second through valve and a third through valve, and a first end of the communicating pipe is connected with the fluid pipeline; the first through valve and the second through valve are arranged on the pipe wall of the communicating pipe and are arranged oppositely; the third valve is arranged at the second end of the communicating pipe.
The chromatographic column filling instrument is characterized in that the filler tank cover is connected with the top of the filler tank body through a rivet.
Preferably, the polytetrafluoroethylene sealing ring is sleeved on the hollow rivet of the tank cover.
The chromatographic column packing instrument preferably comprises a plurality of capillary columns, and correspondingly, the pressure protection devices are also arranged in a plurality.
Due to the adoption of the technical scheme, the utility model has the following advantages:
by adding a pressure protection device of the capillary column, the problems of small pressure bearing capacity of the capillary column and uneven filling of the chromatographic packing in the existing chromatographic packing filling technology are solved; meanwhile, the filling method is simple and convenient to operate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the three-way valve in fig. 1.
The figures are numbered:
1-filling a tank body; 2-filling tank cover; 3-a filler storage bottle; 4-capillary column; 5-a pressure protection device; 51-can lid hollow rivet; 52-a protective sleeve; 53-sealing the chuck; 6-opening; 7-a fluid control device; 71-hollow rivet of can body; 72-a fluid conduit; 73-three-way valve; 731-communicating tube; 732-a first through valve; 733-second-way valve; 734-third pass valve; 8-riveting; 9-tetrafluoro sealing ring.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the utility model can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
The utility model provides a chromatographic column filling instrument with a pressure protection device, which comprises a filling tank body, a filling tank cover, a filling storage bottle, a capillary column and the pressure protection device, wherein the filling tank cover is arranged on the filling tank body; the filler tank body is of a tank body structure with a built-in cavity and an opening at the upper part; the filler tank cover is arranged at the top of the filler tank body and covers the opening of the filler tank body, so that the filler tank cover and the filler tank body form a closed structure; the filling storage bottle is arranged in the cavity, and the bottom of the filling storage bottle is fixed with the cavity bottom of the cavity; the filler storage bottle is internally provided with filler; the capillary column is inserted into the filler tank cover, and the tail end of the capillary column penetrates through the filler tank cover and extends into the filler storage bottle; the pressure protection device is sleeved outside a part of the capillary column outside the closed structure; the lower end of the pressure protection device is connected with the filler tank cover; and the side wall of the packing tank body is provided with an opening for high-pressure fluid to flow in. The utility model can avoid the condition that the filling is not uniform and the required length is difficult to fill due to the limited pressure bearing of the capillary column.
As shown in fig. 1, the chromatographic column filling instrument with a pressure protection device provided by the utility model comprises a filler tank body 1, a filler tank cover 2, a filler storage bottle 3, a capillary column 4 and a pressure protection device 5; the filler tank body 1 is a tank body structure with a built-in cavity and an opening at the upper part; the filling tank cover 2 is arranged at the top of the filling tank body 1 and covers the opening of the filling tank body 1, so that the filling tank cover 2 and the filling tank body 1 form a closed structure; the filling storage bottle 3 is arranged in the cavity, and the bottom of the filling storage bottle 3 is fixed with the cavity bottom of the cavity; the filler storage bottle 3 is internally provided with filler; the capillary column 4 is inserted on the filler tank cover 2, and the tail end of the capillary column 4 penetrates through the filler tank cover 2 and extends into the filler storage bottle 3; the pressure protection device 5 is sleeved outside a part of the capillary column 4 outside the closed structure; the lower end of the pressure protection device 5 is connected with the filler tank cover 2; the side wall of the stuffing tank 1 is provided with an opening 6 into which high-pressure fluid flows.
In the above embodiment, preferably, the pressure protection device 5 includes the can lid hollow rivet 51, the protection sleeve 52, and the sealing chuck 53; the hollow rivet 51 of the can cover is riveted with the filler can cover 2; the protective sleeve 52 is sleeved outside the capillary column 4, and the lower end of the protective sleeve is connected with the hollow rivet 51 of the tank cover; the sealing chuck 53 is clamped at the upper end of the protective sleeve 52. The pressure protection device can increase the pressure borne by the capillary column 4 and ensure that the chromatographic packing is uniformly filled.
In the above embodiment, preferably, the chromatographic column filling instrument further comprises a fluid control device 7, wherein the fluid control device 7 comprises a hollow rivet 71 of the tank body, a fluid pipeline 72 and a three-way valve 73; the hollow rivet 71 of the tank body is riveted with the side wall of the filler tank body 1 and covers the opening 6; one end of the fluid pipeline 72 is connected with the hollow rivet 71 of the tank body, and the other end is connected with the three-way valve 73.
As shown in fig. 2, the three-way valve 73 includes a communication pipe 731, a first through valve 732, a second through valve 733, and a third through valve 734, and a first end of the communication pipe 731 is connected to the fluid pipe 72; the first through valve 732 and the second through valve 733 are both disposed on the tube wall of the communication tube 731, and the first through valve 732 and the second through valve 733 are disposed opposite to each other; the third connection valve 734 is disposed at the second end of the connection pipe 731. The first through valve 732 is a fluid inlet valve, and when the capillary column packing device is used, the first through valve 732 can be connected with a pressurizing device (not shown in the figure), air is pressurized by the pressurizing device to form high-pressure fluid, the high-pressure fluid enters the communicating pipe 731 from the first through valve 732, passes through the fluid pipe 72 and enters the cavity of the packing tank body 1 from the opening 6, and the high-pressure fluid enters the packing reservoir 3 from the upper opening of the packing reservoir 3, so that the packing in the packing reservoir 3 is filled up into the capillary column 4. Here, the second through valve 733 is a fluid outlet valve, and is configured to release pressure, and when the pressure is too high, the second through valve 733 may be opened to release pressure; the third valve 734 is a control valve, which is configured to control the third valve 734 to open slowly to supplement when the high pressure fluid entering from the first valve 732 is insufficient, and to close slowly to close the third valve 734.
In the above embodiment, the stuffing pot cover 2 is preferably connected to the top of the stuffing pot body 1 by a rivet 8. The connection mode of the rivet 8 is simple and convenient.
In the above embodiment, the teflon seal ring 9 is preferably sleeved on the tank cover hollow rivet 51, and the teflon seal ring 9 seals the joint between the tank cover hollow rivet 51 and the filler tank cover 2.
In the above embodiment, it is preferable that the capillary column 4 is plural, and accordingly, the pressure protection device 5 is plural.
According to the utility model, through the tubular or cavity-shaped pressure protection device communicated with the filling pressure, most of the column body of the capillary column to be filled is arranged in the pressure protection device, so that the capillary column can bear higher filling pressure. If the capillary column is not placed under the fill pressure, the capillary column can be difficult to withstand too high a fill pressure. When the column is placed in the pressure protection device, the internal pressure and the external pressure are equivalent, or the column exposed outside does not need to bear the pressure as high as the packing pressure due to the pressure drop. And therefore can withstand higher filling pressures.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A chromatographic column filling instrument with a pressure protection device is characterized by comprising a filling tank body, a filling tank cover, a filling storage bottle, a capillary column and the pressure protection device;
the filler tank body is of a tank body structure with a built-in cavity and an opening at the upper part;
the filler tank cover is arranged at the top of the filler tank body and covers the opening of the filler tank body, so that the filler tank cover and the filler tank body form a closed structure;
the filling storage bottle is arranged in the cavity, and the bottom of the filling storage bottle is fixed with the cavity bottom of the cavity;
the filler storage bottle is internally provided with filler;
the capillary column is inserted into the filler tank cover, and the tail end of the capillary column penetrates through the filler tank cover and extends into the filler storage bottle;
the pressure protection device is sleeved outside a part of the capillary column outside the closed structure;
the lower end of the pressure protection device is connected with the filler tank cover;
and the side wall of the packing tank body is provided with an opening for high-pressure fluid to flow in.
2. The chromatography column packing apparatus of claim 1, wherein the pressure protection device comprises a can lid hollow rivet, a protection sleeve, and a sealing cartridge;
the tank cover hollow rivet is riveted with the filler tank cover;
the protective sleeve is sleeved outside the capillary column, and the lower end of the protective sleeve is connected with the hollow rivet of the tank cover;
the sealing chuck is clamped at the upper end of the protective sleeve.
3. The chromatography column packing apparatus of claim 1, further comprising a fluid control device comprising a can hollow rivet, a fluid conduit, and a three-way valve;
the hollow rivet of the tank body is riveted with the side wall of the filler tank body and covers the opening;
one end of the fluid pipeline is connected with the hollow rivet of the tank body, and the other end of the fluid pipeline is connected with the three-way valve.
4. The chromatography column packing instrument of claim 3, wherein the three-way valve comprises a communicating tube, a first through valve, a second through valve and a third through valve,
the first end of the communicating pipe is connected with the fluid pipeline;
the first through valve and the second through valve are arranged on the pipe wall of the communicating pipe and are arranged oppositely;
the third valve is arranged at the second end of the communicating pipe.
5. The chromatography column packing apparatus of claim 1, wherein the packing can lid is connected to the top of the packing can body by a rivet.
6. The chromatography column filling instrument according to claim 2, wherein the hollow rivet of the tank cover is sleeved with a teflon sealing ring.
7. The chromatography column packing apparatus of claim 1, wherein the capillary column is plural, and correspondingly, the pressure protection device is plural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930267.2U CN215727944U (en) | 2021-08-16 | 2021-08-16 | Chromatographic column filling instrument with pressure protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930267.2U CN215727944U (en) | 2021-08-16 | 2021-08-16 | Chromatographic column filling instrument with pressure protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215727944U true CN215727944U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121930267.2U Active CN215727944U (en) | 2021-08-16 | 2021-08-16 | Chromatographic column filling instrument with pressure protection device |
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| CN (1) | CN215727944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115078602A (en) * | 2022-05-30 | 2022-09-20 | 郑州大学第一附属医院 | Capillary high-pressure liquid chromatographic column and ultrasonic preparation method and application thereof |
| CN115078602B (en) * | 2022-05-30 | 2024-05-28 | 郑州大学第一附属医院 | Capillary high-pressure liquid chromatographic column and ultrasonic preparation method and application thereof |
-
2021
- 2021-08-16 CN CN202121930267.2U patent/CN215727944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115078602A (en) * | 2022-05-30 | 2022-09-20 | 郑州大学第一附属医院 | Capillary high-pressure liquid chromatographic column and ultrasonic preparation method and application thereof |
| CN115078602B (en) * | 2022-05-30 | 2024-05-28 | 郑州大学第一附属医院 | Capillary high-pressure liquid chromatographic column and ultrasonic preparation method and application thereof |
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