A micro chromatographic column for separating gas materials

Abstract

The present invention discloses a micro-separation gas material chromatographic column, which belongs to the technical field of chromatographic columns and includes a storage assembly, wherein a top metal plate, a first sandwich metal plate, a second sandwich metal plate, a third sandwich metal plate, a fourth sandwich metal plate, a fifth sandwich metal plate, a sixth sandwich metal plate and a bottom metal plate are stacked in sequence from top to bottom inside the storage assembly; an air inlet is provided on the top of the top metal plate. In the present invention, the eleventh gas path port, the twelfth gas path port, the thirteenth gas path port, the fourteenth gas path port, the air inlet and the air outlet can be tightly docked to prevent gas materials from leaking out during the flow of the gas path. Since the inner surface of the sealing gasket is coated with a polydimethylsiloxane stationary phase, which is an adsorption and desorption material, the different adsorption and desorption capabilities of this material for different gases are utilized to achieve the purpose of separating the mixed gas passing through into different gases in a certain time sequence.

Description

Technical Field

[0001] The invention belongs to the technical field of chromatographic columns, and in particular relates to a micro chromatographic column for separating gas materials. Background Art

[0002] Chromatographic columns are used in industrial processes to purify process liquids and to separate substances of interest from process liquids.

[0003] The micro gas material separation chromatographic column in the prior art still has some deficiencies during use and cannot detect the content of each gas component with high precision.

[0004] Based on this, the present invention designs a micro gas material separation chromatographic column to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to propose a micro gas separation material chromatographic column to solve the problem that the micro gas separation material chromatographic column in the prior art still has some shortcomings during use and cannot detect the content of each gas component with high precision.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A micro gas material separation chromatographic column comprises a storage assembly, wherein a top metal plate, a first sandwich metal plate, a second sandwich metal plate, a third sandwich metal plate, a fourth sandwich metal plate, a fifth sandwich metal plate, a sixth sandwich metal plate and a bottom metal plate are stacked in sequence from top to bottom in the storage assembly;

[0008] An air inlet is provided on the top of the top metal plate, a first air path opening is provided on the top of the first sandwich metal plate at a position corresponding to the air inlet, a second air path opening is provided on the top of the second sandwich metal plate at a position corresponding to the first air path opening, a third air path opening and a seventh air path opening are provided on the top of the third sandwich metal plate at a position corresponding to the second air path opening, a fourth air path opening and a sixth air path opening are provided on the top of the fourth sandwich metal plate at a position corresponding to the third air path opening, a fifth air path opening is provided on the top of the fifth sandwich metal plate at a position corresponding to the fourth and sixth air path openings, and a ninth air path opening is provided on the top of the sixth sandwich metal plate at a position corresponding to the fifth air path opening;

[0009] An eighth air path opening and a tenth air path opening are provided at the top of the fifth sandwich metal plate at a position corresponding to the ninth air path opening, an eleventh air path opening is provided at the top of the fourth sandwich metal plate at a position corresponding to the tenth air path opening, a twelfth air path opening is provided at the top of the third sandwich metal plate at a position corresponding to the eleventh air path opening, a thirteenth air path opening is provided at the top of the second sandwich metal plate at a position corresponding to the twelfth air path opening, a fourteenth air path opening is provided at the top of the first sandwich metal plate at a position corresponding to the thirteenth air path opening, and an exhaust port is provided at the top of the top metal plate at a position corresponding to the fourteenth air path opening.

[0010] As a further description of the above technical solution:

[0011] There are a plurality of seventh gas path openings, and the plurality of seventh gas path openings are arranged in a linear array.

[0012] As a further description of the above technical solution:

[0013] There are a plurality of fifth gas path openings, and the plurality of seventh gas path openings form a linear array.

[0014] As a further description of the above technical solution:

[0015] The fifth gas path opening and the seventh gas path opening are both inclined, and the seventh gas path opening and the fifth gas path opening are in a cross shape.

[0016] As a further description of the above technical solution:

[0017] There are a plurality of fourth gas path openings, and the plurality of fourth gas path openings are arranged in a linear array.

[0018] As a further description of the above technical solution:

[0019] There are a plurality of eighth gas path openings, and the plurality of eighth gas path openings are arranged in a linear array. The eighth gas path openings are symmetrically arranged with the fourth gas path openings.

[0020] As a further description of the above technical solution:

[0021] The storage assembly comprises a storage box (101), wherein the top metal plate, the first sandwich metal plate, the second sandwich metal plate, the third sandwich metal plate, the fourth sandwich metal plate, the fifth sandwich metal plate, the sixth sandwich metal plate and the bottom metal plate are sequentially stacked from top to bottom in the storage box (101).

[0022] As a further description of the above technical solution:

[0023] Foot pads (102) are bonded to the four corners of the bottom of the storage box (101), and a box cover (103) is hinged to the side end surface of the storage box (101) via a spring hinge.

[0024] As a further description of the above technical solution:

[0025] The first, second, third, fourth, fifth, sixth, eighth, ninth, tenth, eleventh, twelfth, thirteenth and fourteenth air path ports are all sleeved with sealing gaskets, and the outer surfaces of the fourteen sealing gaskets are provided with sliding grooves, and the sliding grooves are slidably connected with sliding seats, and the end faces of the sliding seats are fixedly connected to the end faces inside the sliding grooves through support springs, and the side of the sliding seat facing away from the sealing gasket is fixedly connected to the inner surfaces of the first, second, third, fourth, fifth, sixth, eighth, ninth, tenth, eleventh, twelfth, thirteenth and fourteenth air path ports.

[0026] As a further description of the above technical solution:

[0027] The inner surface of the sealing gasket is coated with an adsorption-desorption material, and the adsorption-desorption material is a polydimethylsiloxane stationary phase.

[0028] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0029] In the present invention, when the top metal plate, the first sandwich metal plate, the second sandwich metal plate, the third sandwich metal plate, the fourth sandwich metal plate, the fifth sandwich metal plate, the sixth sandwich metal plate and the bottom metal plate are stacked in sequence from top to bottom, the sealing gasket slides on the surface of the sliding seat through the sliding groove and applies pressure to the spring to deform it. The reaction elastic force generated by the deformation of the spring is used to make the first gas path port, the second gas path port, the third gas path port, the fourth gas path port, the fifth gas path port and the sixth gas path port , the eighth gas path port, the ninth gas path port, the tenth gas path port, the eleventh gas path port, the twelfth gas path port, the thirteenth gas path port, the fourteenth gas path port, the gas inlet and the gas outlet are tightly connected to prevent leakage of gas material during the flow of the gas path. Since the inner surface of the sealing gasket is coated with the adsorption and desorption material polydimethylsiloxane stationary phase, this material has different adsorption and desorption capabilities for different gases, so that the mixed gas passing through is divided into different gases in a certain time sequence to achieve a separation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the overall structure of a micro gas material separation chromatographic column proposed by the present invention;

[0031] Figure 2 This is a schematic diagram of the left and right isometric structure of a micro gas material separation chromatographic column proposed by the present invention;

[0032] Figure 3 This is a schematic diagram of the upper and lower isometric axial structure of a micro gas material separation chromatographic column proposed by the present invention;

[0033] Figure 4 This is a schematic structural diagram of a sealing gasket in a micro gas material separation chromatographic column proposed by the present invention;

[0034] Figure 5 This is a schematic diagram of the structure of a micro gas material separation chromatographic column after splitting proposed by the present invention;

[0035] Figure 6 This is a schematic structural diagram from another perspective of a micro gas material separation chromatographic column proposed by the present invention after splitting.

[0036] Legend:

[0037] 1. Storage assembly; 101. Storage box (101); 102. Foot pad (102); 103. Box cover (103); 2. Top metal plate; 3. First interlayer metal plate; 4. Second interlayer metal plate; 5. Third interlayer metal plate; 6. Fourth interlayer metal plate; 7. Fifth interlayer metal plate; 8. Sixth interlayer metal plate; 9. Bottom metal plate; 10. Air inlet; 11. First air path opening; 12. Second air path opening; 1 3. Third air path opening; 14. Fourth air path opening; 15. Fifth air path opening; 16. Sixth air path opening; 17. Seventh air path opening; 18. Eighth air path opening; 19. Ninth air path opening; 20. Tenth air path opening; 21. Eleventh air path opening; 22. Twelfth air path opening; 23. Thirteenth air path opening; 24. Fourteenth air path opening; 25. Exhaust port; 26. Sealing gasket. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0039] See also Figures 1-6The present invention provides a technical solution: a micro gas material separation chromatographic column, comprising a storage assembly 1, wherein a top metal plate 2, a first sandwich metal plate 3, a second sandwich metal plate 4, a third sandwich metal plate 5, a fourth sandwich metal plate 6, a fifth sandwich metal plate 7, a sixth sandwich metal plate 8 and a bottom metal plate 9 are stacked in sequence from top to bottom in the storage assembly 1;

[0040] An air inlet 10 is provided on the top of the top metal plate 2, a first air path opening 11 is provided on the top of the first sandwich metal plate 3 at a position corresponding to the air inlet 10, a second air path opening 12 is provided on the top of the second sandwich metal plate 4 at a position corresponding to the first air path opening 11, a third air path opening 13 and a seventh air path opening 17 are provided on the top of the third sandwich metal plate 5 at positions corresponding to the second air path opening 12, a fourth air path opening 14 and a sixth air path opening 16 are provided on the top of the fourth sandwich metal plate 6 at positions corresponding to the third air path opening 13, a fifth air path opening 15 is provided on the top of the fifth sandwich metal plate 7 at a position corresponding to the fourth air path opening 14 and the sixth air path opening 16, and a ninth air path opening 19 is provided on the top of the sixth sandwich metal plate 8 at a position corresponding to the fifth air path opening 15;

[0041] An eighth gas path opening 18 and a tenth gas path opening 20 are provided at the top of the fifth sandwich metal plate 7 at a position corresponding to the ninth gas path opening 19. An eleventh gas path opening 21 is provided at the top of the fourth sandwich metal plate 6 at a position corresponding to the tenth gas path opening 20. A twelfth gas path opening 22 is provided at the top of the third sandwich metal plate 5 at a position corresponding to the eleventh gas path opening 21. A thirteenth gas path opening 23 is provided at the top of the second sandwich metal plate 4 at a position corresponding to the twelfth gas path opening 22. A fourteenth gas path opening 24 is provided at the top of the first sandwich metal plate 3 at a position corresponding to the thirteenth gas path opening 23. An exhaust port 25 is provided at the top of the top metal plate 2 at a position corresponding to the fourteenth gas path opening 24.

[0042] Specifically, there are multiple seventh gas path openings 17 , and the multiple seventh gas path openings 17 are in a linear array.

[0043] Specifically, there are a plurality of fifth gas path openings 15 , and the plurality of seventh gas path openings 17 form a linear array.

[0044] Specifically, the fifth gas path opening 15 and the seventh gas path opening 17 are both arranged obliquely, and the seventh gas path opening 17 and the fifth gas path opening 15 are in a cross shape.

[0045] Specifically, there are a plurality of fourth gas path openings 14 , and the plurality of fourth gas path openings 14 are arranged in a linear array.

[0046] Specifically, there are a plurality of eighth gas path openings 18 , and the plurality of eighth gas path openings 18 are in a linear array. The eighth gas path openings 18 are symmetrically arranged with respect to the fourth gas path openings 14 .

[0047] Specifically, the storage assembly 1 includes a storage box 101, and the top metal plate 2, the first sandwich metal plate 3, the second sandwich metal plate 4, the third sandwich metal plate 5, the fourth sandwich metal plate 6, the fifth sandwich metal plate 7, the sixth sandwich metal plate 8 and the bottom metal plate 9 are stacked in sequence from top to bottom in the storage box 101.

[0048] Specifically, foot pads 102 are bonded to the four corners of the bottom of the storage box 101, and a box cover 103 is hinged to the side end surface of the storage box 101 through a spring hinge.

[0049] Specifically, a sealing gasket 26 is sleeved in each of the first gas path port 11, the second gas path port 12, the third gas path port 13, the fourth gas path port 14, the fifth gas path port 15, the sixth gas path port 16, the eighth gas path port 18, the ninth gas path port 19, the tenth gas path port 20, the eleventh gas path port 21, the twelfth gas path port 22, the thirteenth gas path port 23, and the fourteenth gas path port 24. The outer surface of the fourteenth sealing gasket 26 is provided with a sliding groove, and a sliding seat is slidably connected in the sliding groove. The end surface of the sliding seat is connected to the end of the inner side of the sliding groove through a support spring. The sliding seat is fixedly connected to the inner surface of the first gas path port 11, the second gas path port 12, the third gas path port 13, the fourth gas path port 14, the fifth gas path port 15, the sixth gas path port 16, the eighth gas path port 18, the ninth gas path port 19, the tenth gas path port 20, the eleventh gas path port 21, the twelfth gas path port 22, the thirteenth gas path port 23 or the fourteenth gas path port 24, and the inner surface of the sealing gasket 26 is coated with an adsorption-desorption material, and the adsorption-desorption material is a polydimethylsiloxane stationary phase.

[0050] The specific implementation method is as follows: when the top metal plate 2, the first sandwich metal plate 3, the second sandwich metal plate 4, the third sandwich metal plate 5, the fourth sandwich metal plate 6, the fifth sandwich metal plate 7, the sixth sandwich metal plate 8 and the bottom metal plate 9 are stacked in sequence from top to bottom, the sealing gasket 26 will slide on the surface of the sliding seat through the sliding groove and exert pressure on the spring to deform it. The reaction elastic force generated by the deformation of the spring can ensure that the first gas path port 11, the second gas path port 12, the third gas path port 13, the fourth gas path port 14, the fifth gas path port 15, the sixth gas path port 16, the eighth gas path port 18, the ninth gas path port 19, the tenth gas path port 20, the eleventh gas path port 21, the twelfth gas path port 22, the thirteenth gas path port 23, the fourteenth gas path port 24, the gas inlet 10 and the gas outlet are tightly connected to prevent gas material from leaking during the flow of the gas path.

[0051] Working principle, when using:

[0052] When the top metal plate 2, the first sandwich metal plate 3, the second sandwich metal plate 4, the third sandwich metal plate 5, the fourth sandwich metal plate 6, the fifth sandwich metal plate 7, the sixth sandwich metal plate 8 and the bottom metal plate 9 are stacked in sequence from top to bottom, the sealing gasket 26 will slide on the surface of the sliding seat through the sliding groove and exert pressure on the spring to deform it. The reaction elastic force generated by the deformation of the spring can make the first gas path port 11, the second gas path port 12, the third gas path port 13, the fourth gas path port 14, the fifth gas path port 15, the sixth gas path port 16, The eighth gas path port 18, the ninth gas path port 19, the tenth gas path port 20, the eleventh gas path port 21, the twelfth gas path port 22, the thirteenth gas path port 23, the fourteenth gas path port 24, the gas inlet 10 and the gas outlet are tightly connected to prevent leakage of gaseous materials during the flow of the gas path. Since the inner surface of the sealing gasket 26 is coated with a polydimethylsiloxane stationary phase adsorption and desorption material, the different adsorption and desorption capabilities of this material for different gases are utilized to achieve the separation effect of separating the mixed gas passing through into different gases in a certain time sequence.

[0053] The above are only preferred specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A micro gas material separation chromatographic column, comprising a storage component (1), characterized in that: The storage assembly (1) has a top metal plate (2), a first sandwich metal plate (3), a second sandwich metal plate (4), a third sandwich metal plate (5), a fourth sandwich metal plate (6), a fifth sandwich metal plate (7), a sixth sandwich metal plate (8), and a bottom metal plate (9) stacked in sequence from top to bottom. An air inlet (10) is provided on the top of the top metal plate (2); a first air path opening (11) is provided on the top of the first sandwich metal plate (3) at a position corresponding to the air inlet (10); a second air path opening (12) is provided on the top of the second sandwich metal plate (4) at a position corresponding to the first air path opening (11); a third air path opening (13) and a seventh air path opening (17) are provided on the top of the third sandwich metal plate (5) at a position corresponding to the second air path opening (12); a fourth air path opening (14) and a sixth air path opening (16) are provided on the top of the fourth sandwich metal plate (6) at a position corresponding to the third air path opening (13); a fifth air path opening (15) is provided on the top of the fifth sandwich metal plate (7) at a position corresponding to the fourth air path opening (14) and the sixth air path opening (16); and a ninth air path opening (19) is provided on the top of the sixth sandwich metal plate (8) at a position corresponding to the fifth air path opening (15); The fifth sandwich metal plate (7) has an eighth gas path opening (18) and a tenth gas path opening (20) at a position corresponding to the ninth gas path opening (19) on the top, the fourth sandwich metal plate (6) has an eleventh gas path opening (21) at a position corresponding to the tenth gas path opening (20) on the top, the third sandwich metal plate (5) has a twelfth gas path opening (22) at a position corresponding to the eleventh gas path opening (21) on the top, the second sandwich metal plate (4) has a thirteenth gas path opening (23) at a position corresponding to the twelfth gas path opening (22) on the top, the first sandwich metal plate (3) has a fourteenth gas path opening (24) at a position corresponding to the thirteenth gas path opening (23), and the top metal plate (2) has an exhaust port (25) at a position corresponding to the fourteenth gas path opening (24); The storage assembly (1) comprises a storage box (101), wherein the top metal plate (2), the first sandwich metal plate (3), the second sandwich metal plate (4), the third sandwich metal plate (5), the fourth sandwich metal plate (6), the fifth sandwich metal plate (7), the sixth sandwich metal plate (8) and the bottom metal plate (9) are stacked in sequence from top to bottom in the storage box (101); Foot pads (102) are bonded to the four corners of the bottom of the storage box (101), and a box cover (103) is hinged to the side end surface of the storage box (101) via a spring hinge; The first gas path opening (11), the second gas path opening (12), the third gas path opening (13), the fourth gas path opening (14), the fifth gas path opening (15), the sixth gas path opening (16), the eighth gas path opening (18), the ninth gas path opening (19), the tenth gas path opening (20), the eleventh gas path opening (21), the twelfth gas path opening (22), the thirteenth gas path opening (23) and the fourteenth gas path opening (24) are all sleeved with sealing gaskets (26), and the outer surface of the fourteenth sealing gasket (26) is provided with a sliding groove, and a sliding seat is slidably connected in the sliding groove, and the sealing gasket (26) is provided with a sliding groove. The end surface of the sliding seat is fixedly connected to the end surface on the inner side of the sliding groove through a support spring, and the side of the sliding seat facing away from the sealing gasket (26) is fixedly connected to the inner surface of the first gas path port (11), the second gas path port (12), the third gas path port (13), the fourth gas path port (14), the fifth gas path port (15), the sixth gas path port (16), the eighth gas path port (18), the ninth gas path port (19), the tenth gas path port (20), the eleventh gas path port (21), the twelfth gas path port (22), the thirteenth gas path port (23) or the fourteenth gas path port (24); The inner surface of the sealing gasket (26) is coated with an adsorption-desorption material, and the adsorption-desorption material is a polydimethylsiloxane stationary phase.

2. A micro gas separation material chromatographic column according to claim 1, characterized in that: The number of the seventh gas path openings (17) is multiple, and the multiple seventh gas path openings (17) are in a linear array.

3. A micro gas separation material chromatographic column according to claim 2, characterized in that: The number of the fifth gas path openings (15) is multiple, and the multiple seventh gas path openings (17) form a linear array.

4. A micro gas separation material chromatographic column according to claim 3, characterized in that: The fifth gas path opening (15) and the seventh gas path opening (17) are both arranged at an angle, and the seventh gas path opening (17) and the fifth gas path opening (15) are in a cross shape.

5. The micro gas material separation chromatographic column according to claim 1, characterized in that: The number of the fourth gas path openings (14) is multiple, and the multiple fourth gas path openings (14) are in a linear array.

6. A micro gas separation material chromatographic column according to claim 5, characterized in that: The number of the eighth gas path openings (18) is multiple, and the multiple eighth gas path openings (18) are in a linear array, and the eighth gas path openings (18) and the fourth gas path openings (14) are symmetrically arranged.

Images