CN111426783A - Suppressor - Google Patents
Suppressor Download PDFInfo
- Publication number
- CN111426783A CN111426783A CN202010357783.4A CN202010357783A CN111426783A CN 111426783 A CN111426783 A CN 111426783A CN 202010357783 A CN202010357783 A CN 202010357783A CN 111426783 A CN111426783 A CN 111426783A
- Authority
- CN
- China
- Prior art keywords
- liquid
- flow path
- hole
- suppressor
- ion exchange
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 238000005342 ion exchange Methods 0.000 claims abstract description 47
- 230000004888 barrier function Effects 0.000 claims abstract description 46
- 239000003480 eluent Substances 0.000 claims abstract description 43
- 239000011347 resin Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 238000004255 ion exchange chromatography Methods 0.000 claims abstract description 32
- 238000011069 regeneration method Methods 0.000 claims abstract description 31
- 230000008929 regeneration Effects 0.000 claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000003112 inhibitor Substances 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 18
- 150000002500 ions Chemical class 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000012492 regenerant Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- G01N30/96—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 using ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/14—Preparation by elimination of some components
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses a suppressor, wherein two ion exchange barriers are arranged in the suppressor, an eluent flow path is formed between the two ion exchange barriers, a regeneration liquid flow path is formed at the outer side of each ion exchange barrier, ion chromatography exchange resin is respectively arranged in the regeneration liquid flow path and the eluent flow path, a first liquid inlet hole and a first liquid outlet hole which are communicated with the regeneration liquid flow path are arranged on the suppressor, a second liquid inlet hole and a second liquid outlet hole which are communicated with the eluent flow path are arranged on the suppressor, and filtering parts are respectively arranged on the first liquid outlet hole and the second liquid outlet hole and are used for preventing the ion chromatography exchange resin from leaking outwards. The occurrence of the phenomenon of leakage of the ion chromatography exchange resin is reduced or avoided, so that the service life of the suppressor is prolonged, and the use reliability is improved.
Description
Technical Field
The invention relates to the technical field of ion chromatography, in particular to a suppressor.
Background
Currently, ion chromatographs are used primarily as a means of processing an aqueous sample stream containing analyte ions, where a suppressor is a critical component in the ion chromatograph. For example, chinese patent No. 201511024122.5 discloses a high-efficiency current suppressor and a pretreatment apparatus and method, the main structure of the suppressor includes two mounting blocks, and a layer of eluent channel component and two layers of ion exchange barriers sandwiched between the two mounting blocks, two regeneration liquid channels and an eluent channel are formed inside the suppressor, correspondingly, the regeneration liquid channel is provided with a regeneration liquid inlet and outlet, and the eluent channel is provided with an eluent inlet and outlet; meanwhile, ion chromatographic exchange resin for ion exchange is filled in the regeneration liquid channel and the eluent channel. However, the regeneration liquid channel and the eluent channel in the suppressor are both in a high pressure state in the working state, and the diameter of the inlet and the outlet is usually designed to be small in order to avoid the ion chromatography exchange resin from following the flow path. However, as the service time increases, the ion chromatography exchange resin is damaged, and the damaged resin flows out along with the fluid, and finally, the inhibitor is damaged due to the leakage of the resin, so that the service life is short. The invention aims to solve the technical problem of how to design a suppressor with long service life to improve the use reliability.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a suppressor which can reduce or avoid the occurrence of the phenomenon of leakage of an ion chromatography exchange resin, prolong the service life of the suppressor and improve the use reliability.
The technical scheme provided by the invention is that the suppressor is provided with two ion exchange barriers and two electrodes, an eluent flow path is formed between the two ion exchange barriers, a regeneration liquid flow path is formed at the outer side of each ion exchange barrier, ion chromatography exchange resins are respectively arranged in the regeneration liquid flow path and the eluent flow path, and the electrodes are arranged in the regeneration liquid flow path at the corresponding side; be provided with the intercommunication on the inhibitor and correspond first feed liquor hole and the first liquid hole of giving up liquid flow path, be provided with the intercommunication on the inhibitor the second feed liquor hole and the second liquid hole of eluant flow path are gone out the liquid hole, first liquid hole with the second is gone out the liquid hole and is provided with filter unit respectively, filter unit is used for blockking ion chromatography exchange resin leaks outward.
Further, the first liquid inlet hole and the second liquid inlet hole are also respectively provided with the filtering component.
Further, the filter element which is matched with the first liquid inlet hole and the first liquid outlet hole is positioned in the regeneration liquid flow path, and the filter element which is matched with the second liquid inlet hole and the second liquid outlet hole is positioned in the eluent flow path.
Further, the suppressor comprises two outer clamping plates, an inner clamping plate and two electrodes, wherein a first mounting groove is formed in each outer clamping plate, an eluent channel is formed in each inner clamping plate, the electrodes are arranged in the corresponding first mounting grooves, the ion exchange barriers are located in the second mounting grooves, the inner clamping plates are sandwiched between the two outer clamping plates, the ion exchange barriers cover the electrodes on the corresponding sides, and the eluent channels are sandwiched between the two ion exchange barriers; the regeneration liquid flow path is formed between the ion exchange barrier and the first mounting groove on the corresponding side, and the eluent flow path is formed between the eluent channel and the ion exchange barriers on the two sides.
Furthermore, a diversion trench is further arranged at the bottom of the first mounting groove and is located between the first liquid inlet hole and the first liquid outlet hole.
Furthermore, a connecting groove is respectively arranged between the diversion trench and the first liquid inlet hole and between the diversion trench and the first liquid outlet hole, and the filtering component is arranged in the connecting groove.
Further, the electrode shields the filter element in the connection groove.
Furthermore, one end part of the inner clamping plate is provided with the second liquid inlet hole, and the other end part of the inner clamping plate is provided with the second liquid inlet hole; and connecting clamping grooves are respectively arranged between the eluent channel and the second liquid inlet hole and between the eluent channel and the second liquid inlet hole, and the filtering components are arranged in the connecting clamping grooves.
Compared with the prior art, the invention has the advantages and positive effects that: through configuration filter unit on first play liquid hole and second play liquid hole, utilize filter unit to block inside ion chromatography exchange resin in the inhibitor and leak outward, and then reduce or avoid because of the condition emergence that the inhibitor damages that the ion chromatography exchange resin leaks outward in the inhibitor, the effectual life who prolongs the inhibitor to the service reliability of inhibitor has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a suppressor according to an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the suppressor of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
FIG. 4 is a sectional view taken along line B-B of FIG. 1;
FIG. 5 is an enlarged view of a portion of the area C in FIG. 3;
FIG. 6 is a schematic view of an outer clamp plate according to an embodiment of the inhibitor of the invention;
fig. 7 is a schematic structural view of an inner clamping plate in an embodiment of the inhibitor of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, the suppressor of the present embodiment is provided with two ion exchange barriers 1 and two electrodes 11, an eluent flow path is formed between the two ion exchange barriers 1, a regeneration liquid flow path is formed on the outer side of each ion exchange barrier, and the electrode 11 is located in the regeneration liquid flow path on the corresponding side. The regenerant flow path with be provided with ion chromatography exchange resin (not shown) respectively in the eluant flow path, be provided with the intercommunication on the inhibitor and correspond first feed liquor hole 201 and first liquid hole 202 of regenerant flow path, be provided with the intercommunication on the inhibitor second feed liquor hole 301 and second liquid hole 302 of eluant flow path, first liquid hole with the second liquid hole is provided with filter component 5 respectively, filter component 5 is used for blockking ion chromatography exchange resin leaks outward.
Specifically, the filter element 5 is arranged at the first liquid outlet 202 and the second liquid outlet 302, and the filter element 5 is used for forming the leakage of the ion chromatography exchange resin inside the suppressor, so that the problem that the service life of the suppressor is short due to the leakage of the ion chromatography exchange resin is avoided, the use feasibility of the suppressor is improved, and the service life is prolonged.
The concrete description is as follows: an ion chromatography exchange resin in the regeneration liquid flow path is taken as an example. The liquid flows into the regeneration liquid flow path, and further high pressure is applied to the ion chromatography exchange resin in the regeneration liquid flow path, and the ion chromatography exchange resin is damaged by the pressure after long-time use. And the ion chromatography exchange resin is prevented from leaking to the outside through the first liquid outlet 202 by the blocking of the filter part 5 at the first liquid outlet 202, so that the ion chromatography exchange resin in the regenerated liquid flow path is prevented from leaking, the service life is prolonged, and the service reliability is improved. For the concrete representation entity of the filtering component 5, a filtering net, a filtering cotton and the like can be adopted, and no limitation and repeated description is given here.
Further, first feed liquor hole 201 and second feed liquor hole 301 also are provided with filter component 5 respectively, shelter from the protection through filter component 5 to each feed liquor hole and play liquid hole to ensure that ion chromatography exchange resin can not leak outward.
And the filter member 5 fitted with the first liquid inlet hole 201 and the first liquid outlet hole 202 is located in the regeneration liquid flow path, and the filter member 5 fitted with the second liquid inlet hole 301 and the second liquid outlet hole 302 is located in the eluent flow path. An ion chromatography exchange resin in the regeneration liquid flow path is taken as an example. Because the size of the filter component 5 is larger than the size of the joint of the first liquid outlet 202 and the first mounting groove 22, under the action of internal high pressure, the filter component 5 can block the first liquid outlet 202 to prevent the ion chromatography exchange resin from leaking.
The specific structural form of the suppressor is various, and the structural configuration of the suppressor in the prior art may be specifically referred to, which is not limited or described herein.
Based on the above technical solution, optionally, the inhibitor further comprises two outer splints 2 and one inner splint 3; a first mounting groove 22 is formed on the outer clamping plate 2, and an eluent channel 32 is arranged on the inner clamping plate 3; the inner clamping plate 3 is located between the two outer clamping plates 2 and the eluent channel 32 is sandwiched between the two ion exchange barriers 1, the ion exchange barriers 1 covering the corresponding electrodes 11.
In actual use, a regeneration liquid flow path is formed between the ion exchange barrier 1 and the first mounting groove 21 on the corresponding side, and an eluent flow path is formed between the eluent channel 32 and the ion exchange barrier 1 on both sides. The first liquid inlet and outlet mounting hole and the second liquid inlet and outlet mounting hole can be provided with the liquid inlet and outlet joint 100 so as to be conveniently connected with a related flow path of the ion chromatograph, and the specific connection mode of the regeneration liquid flow path and the eluent flow path in the suppressor and the ion chromatograph can refer to the configuration mode of the ion chromatograph in the prior art, and is not limited and repeated herein.
Wherein an ion chromatography exchange resin (not labeled) is disposed between the ion exchange barriers 1 and the first mounting groove 21 on the corresponding side, and an ion chromatography exchange resin is also disposed between two ion exchange barriers 1 in the eluent channel 32. Specifically, the specific filling manner and the functional principle of the ion chromatography exchange resin are not limited and described herein.
Further, in order to ensure smooth flow of the liquid in the regeneration liquid flow path, a guide groove 221 is further provided at the bottom of the first mounting groove 22, and the guide groove 221 is located between the first liquid inlet hole 201 and the first liquid outlet hole 202. Specifically, the bottom of the first mounting groove forms a shallow guide groove 221 to guide the flow of the liquid, so as to ensure that the liquid can flow smoothly in the regeneration liquid flow path. And the filter member 5 is installed in the regeneration liquid flow path for convenience. A connection groove 222 is respectively formed between the diversion trench 221 and the first liquid inlet hole 201 and the first liquid outlet hole 202, and the filter member 5 is disposed in the connection groove 222. In the assembling process, the filter member is first placed in the first mounting groove to block the first liquid inlet hole 201 and the first liquid outlet hole 202, then the electrode 11 is placed in the first mounting groove 22 of the outer clamping plate 2 to block the filter member 5 in the first mounting groove 22, and finally, the ion chromatography exchange resin is placed in the first mounting groove 22. The filter member 5 in the connection groove 222 can be shielded by the electrode 11 so that the filter member 5 can be reliably disposed in the connection groove 222.
Still further, a connecting slot 321 is respectively arranged between the eluent channel and the second liquid inlet hole 301 and between the eluent channel and the second liquid inlet hole 301, and a filtering component 5 is arranged in the connecting slot 321. Specifically, during the assembly process, the filter member 5 is first placed in the eluent channel 32 to block the second liquid inlet hole 301 and the second liquid outlet hole 302, then the ion-exchange resin is placed in the eluent channel 32, and finally the ion-exchange barrier 1 is placed in the second mounting groove 31 on the corresponding side of the inner clamping plate 3. Connecting slot 321 can play spacing effect to filter element 5, and filter element 5 card is in connecting slot 321, and interior splint 3 presss from both sides after between outer splint 2, and filter element 5 is further pressed from both sides tightly by the boss 21 of both sides, and then makes the setting that filter element 5 is firm in connecting slot 321.
Preferably, in order to improve the sealing performance, the outer clamping plate 2 is provided with a boss 21, a first mounting groove 22 is formed on the end face of the boss 21, the front and back faces of the inner clamping plate 3 are respectively provided with a second mounting groove 31, and the eluent channel 32 penetrates through the two second mounting grooves 31; the inner clamping plate 3 is positioned between the two outer clamping plates 2, the bosses 21 are inserted into the second mounting grooves 31 on the corresponding sides, the electrodes 11 are arranged in the corresponding first mounting grooves 21, and the ion exchange barriers 1 are positioned in the second mounting grooves 31 and cover the corresponding electrodes 11; wherein a zigzag-shaped connection sealing surface is formed between the boss 21 and the second mounting groove 31.
In the actual assembly process, the electrodes 11 are put into the corresponding first mounting grooves 21, and the ion exchange barriers 1 are put into the corresponding second mounting grooves, and then, the bosses 21 of the outer clamping plates 2 are inserted into the second mounting grooves 31, and the two outer clamping plates 2 are fastened together by bolts, and the inner clamping plate 3 is clamped between the two outer clamping plates 2, so that the assembly is completed.
Wherein, because the ion exchange barrier 1 is placed in the second mounting groove 31, pre-positioning mounting can be performed by the second mounting groove 31 to ensure the mounting accuracy of the ion exchange barrier 1, and at the same time, the boss 21 is directly inserted into the second mounting groove 31 to accurately assemble the outer clamping plate 2 and the inner clamping plate 3 together. And under the direction cooperation of boss 21 and second mounting groove 31 for the assembly personnel can convenient and fast with the accurate equipment of outer splint 2 and interior splint 3, simultaneously, also guaranteed the equipment precision between ion exchange barrier 1 and the eluant passageway 32. On the one hand, the ion exchange barrier 1 is installed through the pre-positioning of the second installation groove 31, on the other hand, the precise assembling of the inner and outer clamping plates is realized through the guide matching of the boss 21 and the second installation groove 31, the assembling difficulty is greatly reduced, the operator is not required to align each installation part, and the assembling efficiency is effectively improved.
In addition, on one hand, the connection sealing surface with the Z-shaped cross section is formed between the boss 21 and the second mounting groove 31, so that the sealing area of the connection sealing surface is effectively increased, and the sealing performance can be better improved, and on the other hand, the ion exchange barrier 1 is positioned in the second mounting groove 31, so that the ion exchange barrier 1 is surrounded by the Z-shaped connection sealing surface, the possibility that the edge of the ion exchange barrier is in direct contact with the outside is reduced, and the sealing performance is better improved.
Preferably, an annular sealing ring 4 is arranged between the outer clamping plate and the inner clamping plate, and the annular sealing ring 4 is positioned at the connecting sealing surface. In actual use, the ring seal 4 seals the zigzag-shaped joint sealing surface formed by the boss 21 and the second mounting groove 31, and the zigzag-shaped joint sealing surface is distributed outside the ion exchange barrier 1. In this way, a more thorough sealing can be achieved outside the ion exchange barrier 1 by means of the annular sealing ring 4, so that the ion exchange barrier 1 is completely isolated from the outside air. After long-time use, the ion exchange barrier 1 can effectively avoid the occurrence of drying aging due to the contact with air, thereby improving the use reliability.
There are various forms for the mounting position of the annular seal ring 4. For example: an annular groove 211 may be formed in a side wall of the boss 21, the annular gasket 4 may be caught in the annular groove 211, the annular gasket 4 may be fitted around an outer portion of the boss 21 and caught in the annular groove 211 when assembling, and the annular gasket 4 may be pressed between the side wall of the boss 21 and a groove wall of the second mounting groove 31 after the boss 21 is inserted into the second mounting groove 31. Or, the ring-shaped sealing ring 4 is squeezed between the end face of the boss 21 and the second mounting groove 31, when assembling, the ring-shaped sealing ring 4 is firstly placed into the second mounting groove 31 and surrounds the outer side of the eluent channel 32, and then, after the boss 21 is inserted into the second mounting groove 31, the ring-shaped sealing ring 4 is squeezed between the end face of the boss 21 and the groove bottom of the second mounting groove 31. Alternatively, the ring packing 4 is compressed between the outer clamping plate 2 and the inner clamping plate 3, the ring packing 4 surrounds the outer side of the boss 21, the ring packing 4 is sleeved outside the boss 21 when assembling, and then the ring packing 4 is compressed between the outer clamping plate 2 and the inner clamping plate 3 after the boss 21 is inserted into the second mounting groove 31.
In addition, in order to meet the detection requirement, the outer clamping plate 2 is further provided with an electrode mounting hole 203, and the electrode mounting hole 203 is communicated with the first mounting groove 22. The electrode mounting hole 203 is used for mounting the electrode connecting terminal 200 so as to facilitate connection with a detection circuit of the ion chromatograph.
The invention provides an assembly method of an ion chromatography self-regeneration suppressor, which comprises the following steps:
And 2, clamping the inner clamping plate between the two outer clamping plates, inserting the boss into the second mounting groove on the corresponding side, and enabling the end face of the boss to abut against the ion exchange barrier. Specifically, a filter element is placed in the eluent channel to shield the second liquid inlet and outlet mounting hole, then ion chromatography exchange resin is placed in the eluent channel, and finally the ion exchange barrier is placed in the second mounting groove on the corresponding side of the inner clamping plate.
And 3, clamping the inner clamping plate between the two outer clamping plates, and filling sealant in a gap between the outer clamping plate and the inner clamping plate. Specifically, two outer splint pass through the bolt-up together to make the inner splint press from both sides tightly between two outer splint, seal the processing through sealed glue with the gap between outer splint and the inner splint.
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 (8)
1. A suppressor, characterized in that two ion exchange barriers and two electrodes are arranged in the suppressor, an eluent flow path is formed between the two ion exchange barriers, a regeneration liquid flow path is formed outside each ion exchange barrier, ion chromatography exchange resins are respectively arranged in the regeneration liquid flow path and the eluent flow path, and the electrodes are arranged in the regeneration liquid flow path on the corresponding side; be provided with the intercommunication on the inhibitor and correspond first feed liquor hole and the first liquid hole of giving up liquid flow path, be provided with the intercommunication on the inhibitor the second feed liquor hole and the second liquid hole of eluant flow path are gone out the liquid hole, first liquid hole with the second is gone out the liquid hole and is provided with filter unit respectively, filter unit is used for blockking ion chromatography exchange resin leaks outward.
2. The suppressor according to claim 1, wherein the first liquid inlet hole and the second liquid inlet hole are also provided with the filter members, respectively.
3. The suppressor according to claim 2, wherein the filter member associated with the first inlet aperture and the first outlet aperture is located in the regeneration fluid flow path and the filter member associated with the second inlet aperture and the second outlet aperture is located in the eluent flow path.
4. The suppressor according to claim 1, wherein the suppressor comprises two outer plates, one inner plate, and two electrodes, wherein the outer plates are provided with first mounting grooves, the inner plates are provided with eluent channels, the electrodes are disposed in the corresponding first mounting grooves, the ion exchange barrier is located in the second mounting groove, the inner plates are sandwiched between the two outer plates, the ion exchange barrier covers the electrodes on the corresponding sides, and the eluent channels are sandwiched between the two ion exchange barriers; the regeneration liquid flow path is formed between the ion exchange barrier and the first mounting groove on the corresponding side, and the eluent flow path is formed between the eluent channel and the ion exchange barriers on the two sides.
5. The suppressor of claim 4, wherein the bottom of the first mounting groove is further provided with a diversion trench between the first liquid inlet and the first liquid outlet.
6. The suppressor according to claim 5, wherein a connection groove is respectively disposed between the diversion trench and the first liquid inlet hole and the first liquid outlet hole, and the filter member is disposed in the connection groove.
7. The suppressor according to claim 4, wherein the electrode shields the filter member in the connection groove.
8. The inhibitor according to claim 4, characterized in that one end of the inner clamping plate is provided with the second liquid inlet hole, and the other end is provided with the second liquid inlet hole; and connecting clamping grooves are respectively arranged between the eluent channel and the second liquid inlet hole and between the eluent channel and the second liquid inlet hole, and the filtering components are arranged in the connecting clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357783.4A CN111426783B (en) | 2020-04-29 | 2020-04-29 | Suppressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357783.4A CN111426783B (en) | 2020-04-29 | 2020-04-29 | Suppressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111426783A true CN111426783A (en) | 2020-07-17 |
| CN111426783B CN111426783B (en) | 2023-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010357783.4A Active CN111426783B (en) | 2020-04-29 | 2020-04-29 | Suppressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111426783B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0555962A2 (en) * | 1992-02-10 | 1993-08-18 | Dionex Corporation | Ion chromatography system using electrochemical suppression and detector effluent recycle |
| CN101350485A (en) * | 2007-07-16 | 2009-01-21 | 汉达精密电子(昆山)有限公司 | Water-proof structure of connector |
| CN102735792A (en) * | 2012-07-13 | 2012-10-17 | 青岛盛瀚色谱技术有限公司 | Resin filling type ion chromatography electrolysis self-regeneration suppressor |
| US20140134050A1 (en) * | 2012-11-12 | 2014-05-15 | Kannan Srinivasan | Suppressor device |
| CN105738558A (en) * | 2014-12-31 | 2016-07-06 | 戴安公司 | Current-efficient suppressor and pretreatment device and method |
| CN206311558U (en) * | 2016-08-31 | 2017-07-07 | 青岛仪趣分析仪器有限公司 | The high pressure resistant ion chromatographic eliminator of minitype ion exchange membrane isolating seal |
| CN108645954A (en) * | 2018-06-07 | 2018-10-12 | 青岛市计量技术研究院 | A kind of easy care resin filled-type electrochemical suppressors |
| CN210068921U (en) * | 2019-04-23 | 2020-02-14 | 青岛鲁海光电科技有限公司 | Liquid leakage prevention high-efficiency ion chromatography suppressor |
-
2020
- 2020-04-29 CN CN202010357783.4A patent/CN111426783B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0555962A2 (en) * | 1992-02-10 | 1993-08-18 | Dionex Corporation | Ion chromatography system using electrochemical suppression and detector effluent recycle |
| CN101350485A (en) * | 2007-07-16 | 2009-01-21 | 汉达精密电子(昆山)有限公司 | Water-proof structure of connector |
| CN102735792A (en) * | 2012-07-13 | 2012-10-17 | 青岛盛瀚色谱技术有限公司 | Resin filling type ion chromatography electrolysis self-regeneration suppressor |
| US20140134050A1 (en) * | 2012-11-12 | 2014-05-15 | Kannan Srinivasan | Suppressor device |
| CN103808833A (en) * | 2012-11-12 | 2014-05-21 | 迪奥内克斯公司 | Improved suppressor device |
| CN105738558A (en) * | 2014-12-31 | 2016-07-06 | 戴安公司 | Current-efficient suppressor and pretreatment device and method |
| CN206311558U (en) * | 2016-08-31 | 2017-07-07 | 青岛仪趣分析仪器有限公司 | The high pressure resistant ion chromatographic eliminator of minitype ion exchange membrane isolating seal |
| CN108645954A (en) * | 2018-06-07 | 2018-10-12 | 青岛市计量技术研究院 | A kind of easy care resin filled-type electrochemical suppressors |
| CN210068921U (en) * | 2019-04-23 | 2020-02-14 | 青岛鲁海光电科技有限公司 | Liquid leakage prevention high-efficiency ion chromatography suppressor |
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| Publication number | Publication date |
|---|---|
| CN111426783B (en) | 2023-02-07 |
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