CN221085646U - Ion exchange washing system - Google Patents
Ion exchange washing system Download PDFInfo
- Publication number
- CN221085646U CN221085646U CN202322802814.4U CN202322802814U CN221085646U CN 221085646 U CN221085646 U CN 221085646U CN 202322802814 U CN202322802814 U CN 202322802814U CN 221085646 U CN221085646 U CN 221085646U
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- CN
- China
- Prior art keywords
- group
- ion exchange
- way valve
- backwashing
- regeneration
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- 238000005342 ion exchange Methods 0.000 title claims abstract description 23
- 238000005406 washing Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000011001 backwashing Methods 0.000 claims abstract description 38
- 238000011069 regeneration method Methods 0.000 claims abstract description 30
- 238000002386 leaching Methods 0.000 claims abstract description 29
- 230000008929 regeneration Effects 0.000 claims abstract description 29
- 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 claims abstract description 5
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 5
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims description 48
- 229920005989 resin Polymers 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 26
- 239000012492 regenerant Substances 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims 3
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The utility model relates to the technical field of ion exchange equipment, and particularly discloses an ion exchange washing system, which comprises three groups of ion exchange resin columns, namely a leaching group, a regeneration group and a backwashing group, wherein the leaching group is connected with an inlet of a three-way valve; one outlet of the three-way valve is connected with the regeneration group, and the other outlet of the three-way valve is connected with the backwashing group. The water of the leaching group can enter the backwashing group to carry out backwashing, the arrangement of a separate water supply assembly of the backwashing group is avoided, the energy consumption is reduced, the water utilization rate is improved, and compared with the prior art, the water can be saved by 50%.
Description
Technical Field
The utility model relates to the technical field of ion exchange equipment, and particularly discloses an ion exchange washing system.
Background
The ion exchange method is a reversible reaction between ions in the stock solution and ions in the solid phase resin, so as to achieve the purpose of extracting or removing certain ions in the stock solution. The continuous ion exchange process generally comprises the steps of an exchange process, a flushing process, an elution process, a regeneration process and the like, wherein each process consists of a plurality of resin columns which are connected in series and are carried out simultaneously in one period, and all the ion exchange steps are integrated and continuously operated, so that the continuous ion exchange process is widely applied to the fields of pharmaceutical industry, food industry, fine chemical industry and the like.
An existing ion exchange system, such as a valve array type continuous ion exchange system disclosed in patent publication No. CN212189138U, is formed by connecting a positive column valve array and a negative column valve array in series, wherein the negative column valve array and the positive column valve array have the same structure, and the positive column valve array is formed by connecting a plurality of groups of ion exchange resin columns in series, and comprises a washing group, an adsorption group, an elution group, a rinsing group and a regeneration group; the adsorption group is formed by connecting a plurality of resin columns in parallel, the lower end of each resin column is provided with a raw material liquid feed inlet, the upper end of each resin column is provided with a impurity removal liquid discharge outlet, each raw material liquid feed inlet is connected with a raw material liquid feed pipeline, and each impurity removal liquid discharge outlet is connected with an impurity removal liquid discharge pipeline.
In the scheme, the ion exchange washing process comprises a leaching group, a regeneration group and a backwashing group. The leaching group and the regeneration group are connected in series, and then the water supply assembly such as a pump, a valve and the like are independently arranged on the water inlet and outlet pipeline of the backwashing group, so that the energy consumption of the whole system is increased, and the water, waste acid and waste alkali in the leaching solution are directly discharged, so that the utilization rate is lower.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides an ion exchange washing system to solve the problem of energy consumption increase caused by independently arranging a water supply assembly in a backwashing group.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
An ion exchange washing system comprises three groups of ion exchange resin columns, namely a leaching group, a regeneration group and a backwashing group, wherein the leaching group is connected with an inlet of a three-way valve; one outlet of the three-way valve is connected with the regeneration group, and the other outlet of the three-way valve is connected with the backwashing group. The water of the leaching group can enter the backwashing group to carry out backwashing, the arrangement of a separate water supply assembly of the backwashing group is avoided, the energy consumption is reduced, the water utilization rate is improved, and compared with the prior art, the water can be saved by 50%.
Preferably, the leaching group is formed by connecting a plurality of resin columns in series from head to tail, the upper end of each resin column is provided with a leaching water feed inlet, the lower end of each resin column is provided with a leaching solution discharge outlet, wherein the leaching water feed inlet of the first resin column of the leaching group is connected with a leaching water feed pipeline, and the leaching solution discharge outlet of the last resin column of the leaching group is connected with the inlet of the three-way valve.
Preferably, the regeneration group is formed by connecting a plurality of resin columns in series end to end, the upper end of each resin column is provided with a regenerant feed inlet, the lower end of each resin column is provided with a waste liquid discharge outlet, wherein the regenerant feed inlet of the first resin column of the regeneration group is connected with a regenerant feed pipeline, and the waste liquid discharge outlet of the last resin column of the regeneration group is connected with a waste liquid discharge pipeline.
Preferably, one of the outlets of the three-way valve is connected with a regenerant feed inlet at the upper end of the second resin column of the regeneration group.
Preferably, the lower end of the resin column of the backwashing group is provided with a backwashing water feeding hole, the upper end of the resin column is provided with a backwashing liquid discharging hole, the backwashing water feeding hole is connected with the other outlet of the three-way valve, and the backwashing liquid discharging hole is connected with a backwashing liquid discharging pipeline.
Preferably, the three-way valve is an electric three-way valve, so that the switching of the three-way valve is conveniently controlled.
Preferably, the rinse water feed line is connected to the pure water tank outlet.
The beneficial effects of the utility model are as follows:
The water of the leaching group can enter the backwashing group to carry out backwashing, the arrangement of a separate water supply assembly of the backwashing group is avoided, the energy consumption is reduced, the water utilization rate is improved, and compared with the prior art, the water can be saved by 50%.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
In the figure: 1-leaching group, 2-regeneration group, 3-backwashing group, 4-three-way valve, 5-leaching water feeding pipeline, 6-regenerant feeding pipeline, 7-waste liquid discharging pipeline, 8-backwashing liquid discharging pipeline and 9-pure water tank;
101-a leaching water feed port and 102-a leaching liquid discharge port; 201-a regenerant feed inlet and 202-a waste liquid discharge outlet; 301-a backwash water feed port and 302-a backwash liquid discharge port.
Detailed Description
The utility model is further described below with reference to examples.
As shown in fig. 1, an ion exchange washing system comprises three groups of ion exchange resin columns, namely a leaching group 1, a regeneration group 2 and a backwashing group 3, wherein the leaching group 1 is connected with an inlet of a three-way valve 4; one outlet of the three-way valve 4 is connected with the regeneration group 2, and the other outlet of the three-way valve 4 is connected with the backwashing group 3. The water in the leaching group 1 can enter the backwashing group 3 for backwashing, so that the arrangement of an independent water supply assembly of the backwashing group 3 is avoided, the energy consumption is reduced, the water utilization rate is improved, and compared with the prior art, the water can be saved by 50%.
In the above arrangement, the eluting group 1 is formed by connecting three resin columns in series from end to end, the upper end of each resin column is provided with an eluting water feed inlet 101, the lower end of each resin column is provided with an eluting solution discharge outlet 102, wherein the eluting water feed inlet 101 of the first resin column of the eluting group is connected with an eluting water feed pipeline 5, and the eluting solution discharge outlet 102 of the last resin column of the eluting group is connected with the inlet of the three-way valve 4.
The regeneration group 2 is formed by connecting three resin columns in series end to end, the upper end of each resin column is provided with a regenerant feed inlet 201, the lower end of each resin column is provided with a waste liquid discharge outlet 202, wherein the regenerant feed inlet 201 of the first resin column of the regeneration group 2 is connected with the regenerant feed pipeline 6, and the waste liquid discharge outlet 202 of the last resin column of the regeneration group 2 is connected with the waste liquid discharge pipeline 7.
One of the outlets of the three-way valve 4 is connected with a regenerant feed inlet 201 at the upper end of the second resin column of the regeneration group 2.
The backwashing group 3 consists of a resin column, a backwashing water feeding hole 301 is arranged at the lower end of the resin column of the backwashing group 3, a backwashing liquid discharging hole 302 is arranged at the upper end of the resin column, the backwashing water feeding hole 301 is connected with the other outlet of the three-way valve 4, and the backwashing liquid discharging hole 302 is connected with the backwashing liquid discharging pipeline 8.
The shower water feeding pipeline 5 is connected with the outlet of the pure water tank 9.
The three-way valve 4 is an electric three-way valve, so that the switching of the three-way valve is conveniently controlled.
After the regeneration group 2 works for a certain time, the connection between the leacheate discharge port 102 of the last resin column of the leaching group 1 and the regenerant feed port 201 of the second resin column of the regeneration group is closed, and the connection between the leacheate discharge port 102 of the last resin column of the leaching group 1 and the backwash water feed port 301 is opened. Through practice, water, waste acid and waste alkali in the eluent are reused, and the regenerant can be saved by about 30%.
In other alternative embodiments, the three-way valve 4 is replaced by a three-way connection, and valves are provided at the regenerant feed port 201 and the backwash water feed port 301, respectively. However, in this embodiment, the eluent outlet 102 is likely to accumulate in the pipeline connecting the regenerant inlet 201 and the backwash water inlet 301, thereby affecting the product quality.
Although the present utility model has been described in detail by way of example with reference to the accompanying drawings, the present utility model is not limited thereto. Various equivalent modifications and substitutions for embodiments of the present utility model may be made by those skilled in the art without departing from the spirit and substance of the present utility model, and these modifications and substitutions are intended to be within the scope of the present utility model.
Claims (7)
1. An ion exchange washing system comprises three groups of ion exchange resin columns, namely a leaching group (1), a regeneration group (2) and a backwashing group (3), and is characterized in that the leaching group (1) is connected with an inlet of a three-way valve (4); one outlet of the three-way valve (4) is connected with the regeneration group (2), and the other outlet of the three-way valve (4) is connected with the backwashing group (3).
2. The ion exchange washing system according to claim 1, wherein the eluting group (1) is formed by connecting a plurality of resin columns in series from end to end, wherein an eluting water feed port (101) is arranged at the upper end of each resin column, an eluting solution discharge port (102) is arranged at the lower end of each resin column, wherein the eluting water feed port (101) of the first resin column of the eluting group is connected with an eluting water feed pipeline (5), and the eluting solution discharge port (102) of the last resin column of the eluting group is connected with the inlet of the three-way valve (4).
3. The ion exchange washing system according to claim 2, wherein the regeneration group (2) is formed by connecting a plurality of resin columns in series end to end, the upper ends of the respective resin columns are provided with regeneration agent feed inlets (201), the lower ends of the respective resin columns are provided with waste liquid discharge outlets (202), wherein the regeneration agent feed inlets (201) of the first resin column of the regeneration group (2) are connected with the regeneration agent feed pipe (6), and the waste liquid discharge outlets (202) of the last resin column of the regeneration group (2) are connected with the waste liquid discharge pipe (7).
4. An ion exchange washing system according to claim 3, wherein one of the outlets of the three-way valve (4) is connected to the regenerant feed inlet (201) at the upper end of the second resin column of the regeneration group (2).
5. An ion exchange washing system according to claim 3, wherein the lower end of the resin column of the backwash group (3) is provided with a backwash water feed port (301), the upper end of the resin column is provided with a backwash water discharge port (302), the backwash water feed port (301) is connected with the other outlet of the three-way valve (4), and the backwash water discharge port (302) is connected with the backwash water discharge pipeline (8).
6. The ion exchange washing system according to claim 4, wherein the three-way valve (4) is an electric three-way valve.
7. The ion exchange washing system according to claim 2, wherein the rinse water feed line (5) is connected to the outlet of the pure water tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322802814.4U CN221085646U (en) | 2023-10-19 | 2023-10-19 | Ion exchange washing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322802814.4U CN221085646U (en) | 2023-10-19 | 2023-10-19 | Ion exchange washing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221085646U true CN221085646U (en) | 2024-06-07 |
Family
ID=91317932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322802814.4U Active CN221085646U (en) | 2023-10-19 | 2023-10-19 | Ion exchange washing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221085646U (en) |
-
2023
- 2023-10-19 CN CN202322802814.4U patent/CN221085646U/en active Active
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| GR01 | Patent grant |