Anion chromatographic column

Abstract

The utility model discloses an anion chromatographic column, which belongs to the technical field of ion chromatographic columns and comprises an ion exchange column, an inlet pipe, an output pipe, a heating component and a heat insulation sleeve, the inlet pipe and the output pipe are respectively connected to two ends of the ion exchange column, and the heat insulation sleeve comprises a first ceramic heat insulation plate, a second ceramic heat insulation plate and a connecting component. One end of the first ceramic heat insulation plate is hinged to one end of the second ceramic heat insulation plate, the other end of the first ceramic heat insulation plate is detachably connected with the other end of the second ceramic heat insulation plate through a connecting assembly, and the connecting assembly comprises an inserting block, a spring, a positioning block and a pull rod; by arranging the heat preservation sleeve, heat preservation and heat insulation can be conducted on the exterior of the heating assembly, heat loss is reduced, the heating efficiency is further improved, by arranging the connecting assembly, the heat preservation sleeve is convenient to mount and dismount, and the ion chromatographic column is convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of ion chromatography columns, and in particular relates to an anion chromatography column. Background Art

[0002] The ion chromatography column is the heart of the ion chromatography system. Only a chromatographic column with excellent performance can achieve a good separation effect. This has certain requirements on the chromatographic column material, filler (exchange resin), column size, column packing technology, etc.

[0003] The existing Chinese patent with the announcement number CN219891180U discloses a constant temperature ion chromatography column, including an inlet tube, the top end of the inlet tube is connected to an ion exchange column, the top end of the ion exchange column is connected to a fixed output tube, and the outer part of the output tube is sheathed with a synchronous heating component; the synchronous heating component includes a first side spiral resistance heating rod sheathed on the outer part of the output tube, and one end of the first side spiral resistance heating rod is connected to a middle spiral resistance heating rod for heating the outer wall of the ion exchange column, and one end of the middle spiral resistance heating rod is connected to a second side spiral resistance heating rod, and the second A first ceramic thermal insulation board is sleeved on the outside of the side spiral resistance heating rod, and a second ceramic thermal insulation board is provided on one side of the first ceramic thermal insulation board; a plug-in strip is inserted between the first ceramic thermal insulation board and the second ceramic thermal insulation board, the first ceramic thermal insulation board is movably connected to the plug-in strip, and the plug-in strip is welded and fixed to the second ceramic thermal insulation board, a plurality of fixing blocks are respectively provided on the top and bottom of the outer wall of the first ceramic thermal insulation board, a plug-in rod is fixed on one side of the fixed block, a ring docking block is movably sleeved on the outside of the plug-in rod, and a locking nut is threadedly connected to the outer wall of the plug-in rod and located on one side of the ring docking block.

[0004] With respect to the above-mentioned related technology, the inventors found that there are at least the following problems in the technology: in the above-mentioned technology, a large number of locking nuts are used to fix the first ceramic thermal insulation board and the second ceramic thermal insulation board. During installation and disassembly, a large number of locking nuts need to be disassembled and assembled, which makes the use of the ion chromatography column very troublesome. Utility Model Content

[0005] The purpose of the utility model is to provide an anion chromatography column to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anion chromatographic column, comprising an ion exchange column, an inlet pipe, an outlet pipe, a heating assembly and a heat preservation sleeve, wherein the inlet pipe and the outlet pipe are respectively connected to the two ends of the ion exchange column, the heat preservation sleeve comprises a first ceramic heat insulation board, a second ceramic heat insulation board and a connecting assembly, one end of the first ceramic heat insulation board and the second ceramic heat insulation board are hinged to each other, and the other ends of the first ceramic heat insulation board and the second ceramic heat insulation board are detachably connected through the connecting assembly;

[0007] The connecting assembly includes a plug-in block, a spring, a positioning block and a pull rod. The plug-in block is fixedly connected to the end of the first ceramic insulation board, a plug-in slot is provided at the end of the second ceramic insulation board, a positioning slot is provided on one side of the plug-in block, the spring is embedded in the side wall of the plug-in slot, the positioning block abuts against the end of the spring, and the pull rod is fixedly connected to one end of the positioning block close to the spring.

[0008] As a preferred embodiment, the heating assembly includes a first resistance heating rod and a second resistance heating rod, the first resistance heating rod is sleeved on the ion exchange column, and the second resistance heating rod is sleeved on the inlet pipe and the outlet pipe.

[0009] As a preferred implementation, temperature sensors are installed on the surfaces of the inlet pipe and the outlet pipe.

[0010] As a preferred embodiment, a sealing strip is abutted against one end of the first ceramic heat insulation board and the second ceramic heat insulation board close to the connection assembly.

[0011] As a preferred embodiment, an end of the positioning block facing the opening of the insertion slot is provided with an oblique angle.

[0012] As a preferred implementation, one end of all the pull rods away from the positioning block is commonly connected to a connecting rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The anion chromatographic column is provided with a connection component. When installing the first ceramic insulation board and the second ceramic insulation board, it is only necessary to cover the first ceramic insulation board and the second ceramic insulation board on both sides of the heating component respectively and rotate them to connect, so that the plug-in block is inserted into the plug-in slot, and the spring pushes the positioning block to be inserted into the positioning slot, and the plug-in block is fixed, so that the insulation cover is quickly installed;

[0015] The anion chromatographic column is provided with a connecting rod. When disassembling the insulation cover, the first ceramic insulation board and the second ceramic insulation board can be separated by using the connecting rod to pull all the pull rods so that the pull rods pull the positioning block out of the positioning groove, thereby facilitating the disassembly of the insulation cover and making the ion chromatographic column easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the heating component of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the thermal insulation cover of the utility model;

[0019] Figure 4 For this utility model Figure 3 A magnified view of the structure at center;

[0020] Figure 5 For this utility model Figure 1 Enlarged view of the structure at point B in the middle.

[0021] In the figure: 1. ion exchange column; 2. inlet pipe; 3. outlet pipe; 4. heating assembly; 41. first resistance heating rod; 42. second resistance heating rod; 5. insulation sleeve; 51. first ceramic insulation board; 52. second ceramic insulation board; 53. connecting assembly; 531. plug-in block; 532. spring; 533. positioning block; 534. pull rod; 535. plug-in slot; 536. positioning slot; 537. connecting rod; 54. sealing strip; 6. temperature sensor. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the embodiments.

[0023] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0024] See also Figure 1-5The utility model provides an anion chromatographic column, comprising an ion exchange column 1, an inlet pipe 2, an outlet pipe 3, a heating assembly 4 and a heat preservation sleeve 5, wherein the inlet pipe 2 and the outlet pipe 3 are respectively connected to the two ends of the ion exchange column 1, and the ends of the inlet pipe 2 and the outlet pipe 3 away from the ion exchange column 1 are fixedly installed with a limiting sealing plate, and the heating assembly 4 comprises a first resistance heating rod 41 and a second resistance heating rod 42, the first resistance heating rod 41 is sleeved on the ion exchange column 1, and the second resistance heating rod 42 is sleeved on the inlet pipe 2 and the outlet pipe 3. By setting the heating assembly 4, the first resistance heating rod 41 can heat the ion exchange column 1, and the second resistance heating rod 42 can heat the inlet pipe 2 and the outlet pipe 3, so that the chromatographic column is heated evenly and the heating efficiency is improved; the surfaces of the inlet pipe 2 and the outlet pipe 3 are both installed with temperature sensors 6, and by setting the temperature sensors 6, the temperatures of the inlet pipe 2 and the outlet pipe 3 can be monitored.

[0025] Reference Figure 3-5 The insulation cover 5 includes a first ceramic insulation board 51, a second ceramic insulation board 52 and a connecting assembly 53. One ends of the first ceramic insulation board 51 and the second ceramic insulation board 52 are hinged to each other, and the other ends of the first ceramic insulation board 51 and the second ceramic insulation board 52 are detachably connected through the connecting assembly 53. By setting the insulation cover 5, the outside of the heating assembly 4 can be insulated to reduce heat loss and further improve the heating efficiency.

[0026] Specifically, the connecting component 53 includes a plug-in block 531, a spring 532, a positioning block 533 and a pull rod 534. The plug-in block 531 is fixedly connected to the end of the first ceramic heat insulation board 51, and a plug-in slot 535 is provided at the end of the second ceramic heat insulation board 52. A positioning slot 536 is provided on one side of the plug-in block 531. The spring 532 is embedded in the side wall of the plug-in slot 535. The positioning block 533 abuts against the end of the spring 532. The end of the positioning block 533 facing the opening of the plug-in slot 535 is provided with an angle. By setting the connecting component 53, when installing the first ceramic heat insulation board 51 and the second ceramic heat insulation board 52, it is only necessary to respectively cover the first ceramic heat insulation board 51 and the second ceramic heat insulation board 52 on both sides of the heating component 4 And rotate the docking so that the plug-in block 531 is inserted into the plug-in slot 535, and the spring 532 pushes the positioning block 533 to be inserted into the positioning slot 536, fixes the plug-in block 531, and completes the quick installation of the insulation sleeve 5; the pull rod 534 is fixedly connected to the end of the positioning block 533 close to the spring 532, and the ends of all the pull rods 534 away from the positioning block 533 are commonly connected to the connecting rod 537. By setting the connecting rod 537, when disassembling the insulation sleeve 5, it is only necessary to use the connecting rod 537 to pull all the pull rods 534 so that the pull rod 534 can pull the positioning block 533 out of the positioning slot 536, so as to separate the first ceramic insulation board 51 and the second ceramic insulation board 52, thereby facilitating the disassembly of the insulation sleeve 5 and making the ion chromatography column easy to use.

[0027] Furthermore, a sealing strip 54 is abutted against one end of the first ceramic insulation board 51 and the second ceramic insulation board 52 close to the connection assembly 53. By providing the sealing strip 54, the sealing performance of the connection between the first ceramic insulation board 51 and the second ceramic insulation board 52 can be improved.

[0028] The working principle and use process of the utility model are as follows: firstly, by setting the insulation sleeve 5, the outside of the heating component 4 can be insulated and heat-insulated, the heat loss can be reduced, and the heating efficiency can be further improved. By setting the connecting component 53, when installing the first ceramic insulation board 51 and the second ceramic insulation board 52, it is only necessary to respectively cover the first ceramic insulation board 51 and the second ceramic insulation board 52 on both sides of the heating component 4 and rotate and dock them, so that the plug-in block 531 is inserted into the plug-in slot 535, and the spring 532 pushes the positioning block 533 to be inserted into the positioning slot 536, and the plug-in block 531 is fixed to complete the rapid installation of the insulation sleeve 5; by setting the connecting rod 537, when disassembling the insulation sleeve 5, it is only necessary to use the connecting rod 537 to pull all the pull rods 534, so that the pull rod 534 pulls the positioning block 533 out of the positioning slot 536, and the first ceramic insulation board 51 and the second ceramic insulation board 52 can be separated, which is convenient for disassembly of the insulation sleeve 5 and makes the ion chromatography column easy to use.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anion chromatography column, comprising an ion exchange column (1), an inlet tube (2), an outlet tube (3), a heating assembly (4) and a heat preservation sleeve (5), characterized in that: The inlet pipe (2) and the outlet pipe (3) are respectively connected to the two ends of the ion exchange column (1); the heat-insulating sleeve (5) comprises a first ceramic heat-insulating plate (51), a second ceramic heat-insulating plate (52) and a connecting assembly (53); one end of the first ceramic heat-insulating plate (51) and the second ceramic heat-insulating plate (52) are hinged to each other, and the other end of the first ceramic heat-insulating plate (51) and the second ceramic heat-insulating plate (52) are detachably connected via the connecting assembly (53); The connecting assembly (53) comprises a plug-in block (531), a spring (532), a positioning block (533) and a pull rod (534); the plug-in block (531) is fixedly connected to the end of the first ceramic heat insulation board (51); a plug-in slot (535) is provided at the end of the second ceramic heat insulation board (52); a positioning slot (536) is provided on one side of the plug-in block (531); the spring (532) is embedded in the side wall of the plug-in slot (535); the positioning block (533) abuts against the end of the spring (532); and the pull rod (534) is fixedly connected to one end of the positioning block (533) close to the spring (532).

2. An anion chromatography column according to claim 1, characterized in that: The heating assembly (4) comprises a first resistance heating rod (41) and a second resistance heating rod (42), wherein the first resistance heating rod (41) is sleeved on the ion exchange column (1), and the second resistance heating rod (42) is sleeved on the inlet pipe (2) and the outlet pipe (3).

3. An anion chromatography column according to claim 1, characterized in that: Temperature sensors (6) are installed on the surfaces of the inlet pipe (2) and the outlet pipe (3).

4. An anion chromatography column according to claim 1, characterized in that: One end of the first ceramic heat insulation board (51) and the second ceramic heat insulation board (52) close to the connection assembly (53) is butted against a sealing strip (54).

5. An anion chromatography column according to claim 1, characterized in that: An end of the positioning block (533) facing the opening of the insertion slot (535) is provided with an oblique angle.

6. An anion chromatography column according to claim 1, characterized in that: One end of all the pull rods (534) away from the positioning block (533) is commonly connected to a connecting rod (537).

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