CN213357025U - Multistage ion exchange device for water production - Google Patents
Multistage ion exchange device for water production Download PDFInfo
- Publication number
- CN213357025U CN213357025U CN202022067362.6U CN202022067362U CN213357025U CN 213357025 U CN213357025 U CN 213357025U CN 202022067362 U CN202022067362 U CN 202022067362U CN 213357025 U CN213357025 U CN 213357025U
- Authority
- CN
- China
- Prior art keywords
- column
- cation
- anion
- water
- anion 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000005342 ion exchange Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000005349 anion exchange Methods 0.000 claims abstract description 47
- 238000005341 cation exchange Methods 0.000 claims abstract description 43
- 239000003957 anion exchange resin Substances 0.000 claims abstract description 29
- 150000001768 cations Chemical class 0.000 claims abstract description 27
- 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 26
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 25
- 150000001450 anions Chemical class 0.000 claims abstract description 24
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 238000011049 filling Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000003041 laboratory chemical Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 17
- 239000011347 resin Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 238000007789 sealing Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 229910001415 sodium ion Inorganic materials 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 229940023913 cation exchange resins Drugs 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000002242 deionisation method Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The utility model discloses a multi-stage ion exchange device for water production, which comprises two cation exchange columns and two anion exchange columns which are connected in series at intervals and are connected end to end through pipelines; the cation exchange column comprises a cation column and a cation exchange resin filled in the cation column, and the anion exchange column comprises an anion exchange resin filled in the anion column. The utility model has the advantages of simple structure, large water yield, low operation cost and good water quality, can be suitable for industrial deionized pure water and can be used as water for laboratory chemical analysis.
Description
Technical Field
The utility model relates to a system water technical field especially relates to a multistage ion exchange device that system water was used.
Background
At present, domestic industrial pure water, namely deionized water is generally obtained by adopting an ion exchange method. In the ion exchange process, industrial water is made into industrial pure water through three ion exchange columns connected in series, namely, the water is made into deionized water through a cation exchange column → an anion exchange column → a cation and anion mixed exchange column. The water quality under the same condition, the exchanged deionized water product is inferior to the distilled water used in the laboratory. The problem with this approach is found in the anion and cation hybrid column. The cation resin and the anion resin in the mixing column are mixed together, when hydrochloric acid is used for regenerating the cation resin, chloride ions in the hydrochloric acid are adsorbed by the anion resin, and then sodium hydroxide is used for regenerating the anion resin, so that the cation resin is polluted by sodium ions in the sodium hydroxide, the regeneration cannot achieve the actual effect, and the water quality of the prepared water cannot meet the water requirement of a laboratory. In addition, most of pure water used in laboratories is distilled by using a distillation method, in the distillation process, raw water is heated by electric energy all the time, water vapor is generated and condensed and recovered, cooling water in condensation is discarded after use, water resources are wasted, and the raw water is heated by the electric energy to recover the vapor water, so that the defects of high electric energy consumption cost and small water yield exist.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, providing a multistage ion exchange device which has simple structure, large water yield, low operation cost and good water quality, can be suitable for industrial deionized pure water and can be used for preparing water for laboratory chemical analysis.
The technical scheme of the utility model is that: a multi-stage ion exchange device for producing water comprises a plurality of cation exchange columns and a plurality of anion exchange columns which are connected in series at intervals; the cation exchange column comprises a cation column and a cation exchange resin filled in the cation column, and the anion exchange column comprises an anion exchange resin filled in the anion column.
The utility model discloses further technical scheme is: the cation exchange column and the anion exchange column are integrally tubular, the number of the cation exchange column and the number of the anion exchange column are respectively two, and the cation exchange column and the anion exchange column are connected end to end through a pipeline.
The utility model discloses further technical scheme is: the cation column and the anion column are made of polypropylene, the diameter of the cation column and the anion column is 630mm, the column height is 4600mm, and the water outlet flow is 3m3/h。
The utility model discloses further technical scheme is: the cation exchange resin is 001X 7, the anion exchange resin is 201X 7, and the filling amount is two thirds of the column height space.
The utility model discloses further technical scheme is: the cation exchange column and the anion exchange column are integrally tubular, the number of the cation exchange column and the number of the anion exchange column are respectively two, and the cation exchange column and the anion exchange column are directly connected end to end.
The utility model discloses further technical scheme is: and a partition plate is arranged inside the joint of the cation exchange column and the anion exchange column.
The utility model discloses further technical scheme is: the partition board is provided with a mounting hole, and the mounting hole is provided with a filter head.
The utility model discloses further technical scheme is: the cation column and the anion column are made of PP pipes, the diameter of the cation column and the anion column is 150mm, the column height is 300mm, and the water outlet flow is 100 liters.
The utility model discloses further technical scheme is: the cation exchange resin is 001 multiplied by 7, the anion exchange resin is 201 multiplied by 7, and the filling amount is 3-3.5 liters.
Compared with the prior art, the utility model has the following characteristics:
the invention separates the cation exchange resin and the anion exchange resin without a mixing column, thereby solving the defect that the water quality of the water can not meet the requirement of water use because the chloride ions in the hydrochloric acid are absorbed by the anion exchange resin and then the sodium hydroxide is used for regenerating the anion exchange resin when the cation exchange resin is regenerated by the hydrochloric acid and the chloride ions in the hydrochloric acid are absorbed by the anion exchange resin in the prior mixing column, and the sodium ions in the sodium hydroxide pollute the cation exchange resin, so that the regeneration can not reach the actual effect.
The utility model discloses separately do not establish the mixed exchange column with cation exchange resin and anion exchange resin, avoided cation exchange resin and anion exchange resin regeneration mutual contamination to the play water quality has been improved.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural view of the present invention in example 1;
fig. 2 is a schematic structural view of the present invention in embodiment 2.
Detailed Description
Example 1
As shown in fig. 1, a multi-stage ion exchange device for producing water includes a cation exchange column 1 and an anion exchange column 2. The structure is suitable for water yield of more than 3-5 m3In the case of/h.
The cation exchange column 1 is two, of course, other numbers are possible, the whole column is tubular, and comprises a cation column 11 and cation exchange resin 12 filled in the cation column 11, the cation column 11 is made of polypropylene, the diameter of the cation column is 630mm, the column height is 4600mm, and two ends of the column height are respectively connected with a sealing cover 7. The cation exchange resin 12 was 001X 7, and the filling amount thereof was two thirds of the column height space.
The number of the anion exchange columns 2 is two, the number of the anion exchange columns is the same as that of the cation exchange columns 1, the anion exchange columns are tubular as a whole, each anion exchange column 2 comprises an anion column 21 and anion exchange resin 22 filled in the anion column 21, the anion column 21 is made of polypropylene, the diameter of the anion exchange column is 630mm, the column height is 4600mm, and two ends of the column height are respectively connected with a sealing cover 7. The anion exchange resin 22 was 201X 7 and filled in two thirds of the column height space.
The lower parts of the cation exchange column 1 and the anion exchange column 2 are fixed by a support 9, the cation exchange column 1 and the anion exchange column 2 are connected end to end through a pipeline 3 and are vertically arranged at intervals, namely, the cation exchange column 1 → the anion exchange column 2 → the cation exchange column 1 → the anion exchange column 2 is arranged, raw water enters through a water inlet pipeline 31 and passes through the cation exchange column 1 → the anion exchange column 2 → the cation exchange column 1 → the anion exchange column 2 for deionization serial exchange, and pure water flows out from a water outlet pipeline 32. The whole structure is integrated, the manufacturing cost is low, the operation is simple, and the water quality is excellent. After the common tap water is treated by the method, the conductivity of the common tap water is 0.5uS/Cm, which is superior to the quality of distilled water (the conductivity is 1.5-3 uS/Cm).
Deionized water exchange principle, that is, H with exchange capacity on active group of ion exchange resin+And OH–Exchanging with the impurity ions of positive and negative in water to adsorb the impurity ions in water to the treeOn the lipid, is exchanged for H+And OH–Recombination of water (H)2O) molecules enter the exchanged water together, thereby achieving the purpose of removing impurity ions and purifying the water.
H on ion exchange resin as exchanged+And OH–After releasing, when the cation and anion impurities occupy the exchange group of the resin, hydrochloric acid and sodium hydroxide are used to elute the impurities on the resin respectively to reduce the cation exchange resin 12 to R-SO 3H+Reduction of form, anion exchange resin 22 to R-NH 3+OH−The cation exchange resin 12 and the anion exchange resin 22 are reduced and recovered to the circulating exchange function, so that the resin regeneration is realized.
The invention separately arranges the cation exchange resin and the anion exchange resin, thereby avoiding the defect that the prior anion and cation exchange resin mixing column is polluted by resin regeneration, and improving the quality of effluent. When the anion and cation exchange resin mixed column is used for regeneration, the cation exchange resin is soaked in dilute hydrochloric acid to elute cation impurities, and hydrogen ions in the hydrochloric acid are adsorbed to cation exchange resin groups to recover the normal exchange function of R-SO 3H+Then the chlorine in the hydrochloric acid is adsorbed by the anion exchange resin in the mixed column and becomes R → Cl−Chlorine type, when anion exchange resin is regenerated with sodium hydroxide, the anion exchange resin is converted to R-NH 3+OH−Type, sodium ions in sodium hydroxide are adsorbed to cation exchange resin R → Na+In the exchange process, chloride ions and sodium ions are released into water, and the quality of effluent is affected by harmful substances.
Example 2
As shown in figure 2, the multi-stage ion exchange device for water production comprises a cation exchange column 1 and an anion exchange column 2, and is suitable for small and miniature occasions with the water yield of 1-500L/h. The water yield of this example was 100 l/h.
The cation exchange columns 1 are two and comprise cation columns 11 and cation exchange resins 12 filled in the cation columns 11, the cation columns 11 are made of PP pipes, the diameter of each PP pipe is 150mm, the column height of each PP pipe is 300mm, the cation exchange resins 12 are 001 multiplied by 7, and the filling amount of each PP pipe is 3-3.5 liters.
The anion exchange columns 2 are two and comprise anion columns 21 and anion exchange resin 22 filled in the anion columns 21, the anion columns 21 are made of PP pipes, the diameter of each anion column 21 is 150mm, the column height of each anion exchange resin 22 is 300mm, the number of the anion exchange resin 22 is 201 multiplied by 7, and the filling amount of the anion exchange resin is 3-3.5 liters.
The cation exchange column 1 and the anion exchange column 2 are connected in series end to end and are vertically arranged, the cation exchange column 1, the anion exchange column 2, the cation exchange column 1 and the anion exchange column 2 are sequentially arranged from top to bottom, the lower end face of the lower anion exchange column 2 is connected with a lower sealing cover 72, and the lower sealing cover 72 is connected with the water outlet pipeline 32. To facilitate the fixation, a support 9 is attached to the lowermost anion exchange column 2. The upper end surface of the uppermost cation exchange column 1 is connected with an upper sealing cover 71, and the water inlet pipeline 31 is connected with the upper sealing cover 71.
In the embodiment, the cation exchange column 1 and the anion exchange column 2 are connected end to end through threads, and when the diameter of the cation exchange column 1 and the diameter of the anion exchange column 2 are more than 200mm, the cation exchange column 1 and the anion exchange column 2 are connected in a flange mode.
In order to adsorb impurities in water, each partition plate 4 is provided with a mounting hole (not shown in the figure) which is provided with a filter head 5, wherein the filter head 5 is reversely mounted on the partition plate 4 on the uppermost layer, namely the mounting direction of the filter head 5 is different from the mounting direction of other four filter heads 5, so that the space is more fully utilized.
Raw water enters through the water inlet pipe 31, passes through the filter head 5 → the cation exchange column 1 and the filter head 5 → the anion exchange column 2 and the filter head 5 which are reversely arranged at the upper layer for deionization serial exchange, and pure water flows out from the water outlet pipe 32.
Before use, the cation exchange resin after conversion is washed with neutral water to pH 4.5, and the anion exchange resin after conversion is washed with neutral water to pH 8. When the conductivity is less than or equal to 1 uS/Cm, the conductivity of distilled water is 1-3 uS/Cm, and the effluent is collected into a pure water storage tank, and the subsequent water quality can reach the high-quality index of 0.2-0.5 uS/Cm.
The rest is the same as embodiment 1 and is not described again.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.
Claims (9)
1. A multistage ion exchange unit for the production of water, comprising a cation exchange column (1) and an anion exchange column (2), characterized in that: the cation exchange column (1) and the anion exchange column (2) are plural and are mutually connected in series at intervals; the cation exchange column (1) comprises a cation column (11) and a cation exchange resin (12) filled therein, and the anion exchange column (2) comprises an anion exchange resin (22) filled therein with an anion column (21).
2. The multistage ion exchange unit for the production of water according to claim 1, characterized in that: the cation exchange column (1) and the anion exchange column (2) are integrally tubular, the number of the cation exchange column and the anion exchange column is two, and the cation exchange column (1) and the anion exchange column (2) are connected end to end through a pipeline (3).
3. The multistage ion exchange unit for the production of water according to claim 2, characterized in that: the cation column (11) and the anion column (21) are made of polypropylene, the diameter of the cation column is 630mm, the column height is 4600mm, and the effluent flow is 3-5 m3/h。
4. A multistage ion exchange unit for the production of water according to claim 3, wherein: the cation exchange resin (12) is 001X 7, the anion exchange resin (22) is 201X 7, and the filling amount is two thirds of the column height space.
5. The multistage ion exchange unit for the production of water according to claim 1, characterized in that: the cation exchange column (1) and the anion exchange column (2) are integrally tubular, the number of the cation exchange column and the anion exchange column is two, and the cation exchange column (1) and the anion exchange column (2) are directly connected end to end.
6. The multistage ion exchange unit for the production of water according to claim 5, characterized in that: a partition plate (4) is arranged inside the joint of the cation exchange column (1) and the anion exchange column (2).
7. The multistage ion exchange unit for the production of water according to claim 6, characterized in that: the partition board (4) is provided with a mounting hole, and the mounting hole is provided with a filter head (5).
8. The multistage ion exchange unit for the production of water according to claim 5, characterized in that: the cation column (11) and the anion column (21) are made of PP pipes, the diameter of the cation column is 150mm, the column height is 300mm, and the water outlet flow is 100 liters.
9. The multistage ion exchange unit for the production of water according to claim 8, characterized in that: the cation exchange resin (12) is 001 multiplied by 7, the anion exchange resin (22) is 201 multiplied by 7, and the filling amount is 3 to 3.5 liters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067362.6U CN213357025U (en) | 2020-09-21 | 2020-09-21 | Multistage ion exchange device for water production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067362.6U CN213357025U (en) | 2020-09-21 | 2020-09-21 | Multistage ion exchange device for water production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213357025U true CN213357025U (en) | 2021-06-04 |
Family
ID=76154069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022067362.6U Expired - Fee Related CN213357025U (en) | 2020-09-21 | 2020-09-21 | Multistage ion exchange device for water production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213357025U (en) |
-
2020
- 2020-09-21 CN CN202022067362.6U patent/CN213357025U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102659568B (en) | Method for continuously removing cations out of solution containing citric acid | |
| CN106745887A (en) | Industrial waste acid removal of impurities recovery process | |
| CN101880074B (en) | Electric regenerating device for inactive ion exchange resin | |
| CN114504872A (en) | Method and device for producing high-purity electronic grade ethylene glycol | |
| CN109850917A (en) | A kind of preparation method of efficient low-consume PPT grades of high-purity ammonia waters | |
| CN101708908B (en) | Novel method for treating electroplating chromium-containing wastewater and recovering metal ions | |
| CN213357025U (en) | Multistage ion exchange device for water production | |
| CN104692554A (en) | Method for removing trace silicon in turbine fluid | |
| CN106178591A (en) | A kind of method purifying organic amine | |
| CN2360392Y (en) | Three-chamber bed water fine processor | |
| US4336140A (en) | Water purification process | |
| CN101935109A (en) | Fine desalination duplicate bed | |
| CN214654102U (en) | Industrial engineering water quality softening equipment | |
| CN1285311A (en) | Process and equipment for preparation of ultrapure hydrogen peroxide | |
| CN207330597U (en) | A kind of continuous electric desalination water treatment facilities | |
| CN212864458U (en) | Boiler makeup water deep desalination treatment system | |
| CN213132682U (en) | Membrane device for organic tubular membrane waste acid recovery filtration treatment system | |
| CN210457583U (en) | Nickel-containing wastewater treatment tower | |
| CN203959882U (en) | A kind of ion-exchanger | |
| CN208249958U (en) | EDI water treatment facilities | |
| CN102310007A (en) | White carbon black mother solution sodium ion exchange resin regenerant | |
| CN211111185U (en) | Renewable ion exchange mixed bed | |
| CN204325021U (en) | Dyeing and printing sewage treatment unit | |
| CN110790441A (en) | Device and method for recovering copper from copper-containing waste liquid | |
| CN113479881B (en) | Method for improving purity of capacitance carbon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |