CN211586636U - Ion exchange resin column for purification - Google Patents
Ion exchange resin column for purification Download PDFInfo
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- CN211586636U CN211586636U CN201922432192.4U CN201922432192U CN211586636U CN 211586636 U CN211586636 U CN 211586636U CN 201922432192 U CN201922432192 U CN 201922432192U CN 211586636 U CN211586636 U CN 211586636U
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- ion exchange
- column
- exchange resin
- purification
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Abstract
The utility model belongs to the technical field of ion exchange equipment, concretely relates to ion exchange resin column is used in purification, the novel nipple rectifier comprises a cylindrical shel, the cylinder includes the column casing of separable equipment more than two sections, the bottom surface is equipped with the filter-pressing cloth under the column casing, filter-pressing cloth below is equipped with fixed net, fixed net with the column casing is connected, the bottom surface is equipped with upper cover and lower cover respectively about the cylinder, the inside polytetrafluoroethylene coating that is equipped with of cylinder, the inside ion exchange resin that is equipped with of cylinder, ion exchange resin's particle diameter is between 0.5mm to 0.8mm, the upper cover is equipped with water inlet, backwash liquid outlet and breather valve. The utility model provides a pair of ion exchange resin column is used in purification makes liquid more abundant with ion exchange resin's reaction, makes ion exchange resin's backwash and analytic also more abundant, makes liquid reaction accomplish the back filtration discharge, guarantees its purity.
Description
Technical Field
The utility model belongs to the technical field of ion exchange equipment, concretely relates to ion exchange resin column is used in purification.
Background
The ion exchange resin column is a column-shaped pressure vessel for performing an ion exchange reaction, and is an exchange apparatus for ion exchange by a column method. A cylindrical exchange column is adopted, and a solution is introduced from one end of the column and fully contacts with a fixed ion exchange resin layer in a compact state or a flowing ion exchange resin bed in the column to carry out ion exchange. If the exchanged solution has reached the preset requirement or the ion exchange resin is in a saturated state, the column exchange is cut off from the production line, desorption liquid is used for desorption in the same column or other columns, and the ion exchange resin is regenerated and used for next exchange. The ion exchange column is adopted, which is equivalent to that the ion exchange resin in the column is subjected to exchange reaction with the solution in multiple batches, and the exchanged solution is separated from the ion exchange resin in time. The composition of the solution flowing through the ion exchange resin bed varies with time and bed height. The method has high efficiency and is widely applied to production. However, the existing ion exchange resin column still has problems in the using process, and the specific problems are as follows:
(one) current ion exchange resin post is in the use, constantly get into liquid and wash downwards because of the upper portion water inlet, often can lead to the gap between the ion exchange resin granule to reduce the implementation, later carry out the ion exchange reaction again, liquid race flow and circumstances such as by-pass flow can appear, make liquid and ion exchange resin's reaction insufficient, and after the ion exchange resin deposits the implementation downwards, also can cause certain trouble to inside backwash and the analysis of later stage cylinder, because ion exchange resin is high in the cylinder, the downforce is great, lead to backwash and the unable abundant performance of analysis.
(II) although the reaction liquid in the ion exchange resin column is filtered, the liquid still has the problem of impurities in the complex treatment process, so that the liquid still cannot achieve the required purity after the ion exchange treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: it is intended to provide a novel ion exchange resin column for purification which solves the above-mentioned problems.
In order to achieve the technical purpose, the utility model adopts the technical scheme that:
the utility model provides an ion exchange resin column for purification, includes the cylinder, the cylinder includes the column casing of separable equipment more than two sections, and more than two sections the column casing passes through flange joint, the column casing lower floor is equipped with the filter-pressing cloth, filter-pressing cloth below is equipped with fixed net, fixed net with the column casing is connected, the bottom surface is equipped with upper cover and lower cover respectively about the cylinder, the cylinder with upper cover and lower cover pass through flange joint, the cylinder is inside to be equipped with the polytetrafluoroethylene coating, the inside ion exchange resin that is equipped with of cylinder, the particle diameter of ion exchange resin is between 0.5mm to 0.8mm, the upper cover is equipped with water inlet, backwash liquid outlet and breather valve, the lower cover is equipped with delivery port and backwash inlet, water inlet, delivery port, backwash inlet and backwash liquid outlet are equipped with the valve respectively.
As a further proposal, the particle size of the ion exchange resin is 0.7 mm.
As a further scheme, the column casing is three-section.
As a further scheme, the fixed grid below the filter pressing cloth is an austenitic stainless steel fixed grid, and the outer surface of the fixed grid is coated with a polytetrafluoroethylene coating.
As a further scheme, the cylinders are austenitic stainless steel cylinders.
As a further scheme, the ion exchange resin arranged in the column body is macroporous strong-acid styrene cation exchange resin.
As a further scheme, the filter press cloth is polyvinyl alcohol fiber filter press cloth.
As a further scheme, the lower end of the column body is provided with a support.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
the utility model provides an ion exchange resin column for purification, the column body adopts the column casing of multisection equipment, column casing below is equipped with filter pressing cloth and fixed grid, make the interior resin of column body locate in each section column casing respectively, make the interior ion exchange resin bottom granule of column body stand upper portion pressure reduction, and ion exchange resin granule particle diameter is great, make ion exchange resin be difficult for depositing the implementation in the column body, let the reaction of ion exchange resin and liquid more abundant, and the filter pressing cloth that the downside was equipped with makes liquid pass through one more layer and filters, avoid appearing liquid and lead to discharging liquid purity not up to standard, change convenience after the filter cloth damages, and the design of this scheme makes the change ion exchange resin have a new scheme, the interior polytetrafluoroethylene coating that coats of column body, have the characteristics of acid and alkali resistance, high temperature resistance, various organic solvents resistance, the column body adopts the austenite stainless steel with the fixed grid in it, the material has better performances of corrosion resistance, toughness and corrosion resistance.
Drawings
FIG. 1 is a schematic view of the structure of an ion exchange resin column for purification according to the present embodiment;
fig. 2 is a schematic structural diagram of the fixed grid provided in this embodiment;
in the attached figure, 1-column, 11-column, 12-filter press cloth, 13-fixed grid, 14-upper cover, 141-water inlet, 142-backwashing liquid outlet, 143-vent valve, 15-lower cover, 151-water outlet, 152-backwashing liquid inlet, 16-polytetrafluoroethylene coating, 17-ion exchange resin and 18-bracket.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
As shown in fig. 1 and fig. 2, an ion exchange resin column for purification comprises a column body 1, the column body 1 comprises more than two sections of column barrels 11 which can be assembled separately, the more than two sections of column barrels 11 are connected through flanges, filter press cloth 12 is arranged on the lower bottom surface of the column barrel 11, a fixing grid 13 is arranged below the filter press cloth 12, the fixing grid 13 is connected with the column barrel 11, the upper bottom surface and the lower bottom surface of the column body 1 are respectively provided with an upper cover 14 and a lower cover 15, the column body 1 is connected with the upper cover 14 and the lower cover 15 through flanges, a polytetrafluoroethylene coating 16 is arranged inside the column body 1, ion exchange resin 17 is arranged inside the column body 1, the particle size of the ion exchange resin 17 is 0.5mm to 0.8mm, the upper cover 14 is provided with a water inlet 141, a backwashing liquid outlet 142 and a vent valve 143, the lower cover 15, the water outlet 151, the backwash inlet 152 and the backwash outlet 142 are provided with valves, respectively.
In the design of the embodiment, because of the design of the cylinder 1 sections, the lower end of the cylinder 11 is provided with the filter press cloth 12 and the fixed grid 13, the ion exchange resin 17 in the cylinder 1 is respectively arranged in each section of the cylinder 11, the bottom layer particles of the ion exchange resin 17 in the cylinder 1 are subjected to the pressure reduction at the upper part, the particle diameter of the ion exchange resin 17 is larger, the ion exchange resin 17 is not easy to precipitate and fall in the cylinder 1, the reaction of the ion exchange resin 17 and liquid is more sufficient, the back washing and the analysis of the ion exchange resin 17 are also more sufficient, the filter press cloth 12 arranged at the lower side enables the reaction liquid to be filtered again, the phenomenon that the purity of the discharged liquid is not up to the standard due to the pollution of the liquid is avoided, the filter press cloth 12 is convenient to replace after being damaged, the polytetrafluoroethylene coating 16 is coated in the cylinder 1, and the characteristics of acid and alkali resistance, high temperature resistance and various, the fixing grids 13 are arranged below the filter press cloth 12, the filter press cloth 12 is stabilized through the design, the filter press cloth 12 is prevented from being deformed by liquid punching, all parts of the column body 1 are connected through flanges, the connection is stable, the dismounting and mounting operations are simple, when the ion exchange resin 17 is used for reaction, the valves of the backwashing liquid inlet 142, the backwashing liquid outlet 452 and the vent valve 143 are closed, when backwashing and analysis are carried out, the valves of the water inlet 141, the water outlet 151 and the vent valve 143 are closed, and in a specific use condition, the vent valve 143 can be opened or closed according to use requirements.
In this example, the particle diameter of the ion exchange resin 17 was 0.7 mm.
In this embodiment, the column casing 11 is three-sectioned.
In this embodiment, the fixing grid 13 below the filter press cloth 12 is an austenitic stainless steel fixing grid 13, and the outer surface of the fixing grid 13 is coated with a polytetrafluoroethylene coating 16.
In this embodiment, the column 1 is an austenitic stainless steel column 1, and the austenitic stainless steel is one of acid-resistant steels, and the material has strong corrosion resistance, toughness and corrosion resistance, and is suitable for being used as an ion exchange column.
In this embodiment, the ion exchange resin 17 provided inside the column 1 is a macroporous strongly acidic styrene cation exchange resin 17.
In this embodiment, the filter press cloth 12 is a polyvinyl alcohol fiber filter press cloth 12, which has good wear resistance and corrosion resistance and is suitable for filtration and solid-liquid separation.
In this embodiment, the lower end of the column body 1 is provided with a bracket 18 for fixing and supporting the column body 1.
In this embodiment, the utility model provides a pair of ion exchange resin column is used in purification makes liquid and ion exchange resin 17's reaction more abundant, makes ion exchange resin 17's backwash and analytic also more abundant, makes liquid reaction accomplish the back filtration discharge, guarantees its purity.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. An ion exchange resin column for purification, which is characterized by comprising a column body, wherein the column body comprises more than two sections of column barrels which can be separated and assembled, the more than two sections of column barrels are connected through flanges, the lower bottom surface of the column barrel is provided with filter press cloth, a fixed grid is arranged below the filter press cloth and is connected with the column barrel, the upper bottom surface and the lower bottom surface of the column body are respectively provided with an upper cover and a lower cover, the column body is connected with the upper cover and the lower cover through flanges, the column body is internally provided with a polytetrafluoroethylene coating, the column body is internally provided with ion exchange resin, the particle size of the ion exchange resin is 0.5mm to 0.8mm, the upper cover is provided with a water inlet, a backwashing liquid outlet and a vent valve, the lower cover is provided with a water outlet and a backwashing liquid inlet, and the water inlet, the water outlet, the backwashing liquid inlet and the backwashing liquid outlet are respectively provided with a valve.
2. A purifying ion exchange resin column according to claim 1, wherein the particle size of the ion exchange resin is 0.7 mm.
3. The ion exchange resin column for purification according to claim 1, wherein the column casing is three-sectioned.
4. The ion exchange resin column for purification according to claim 1, wherein the fixing mesh below the filter press cloth is an austenitic stainless steel fixing mesh, and the outer surface of the fixing mesh is coated with a polytetrafluoroethylene coating.
5. The ion exchange resin column for purification according to claim 1, wherein the column is an austenitic stainless steel column.
6. The ion exchange resin column for purification according to claim 1, wherein the ion exchange resin provided inside the column body is a macroporous strongly acidic styrene cation exchange resin.
7. The ion exchange resin column for purification according to claim 1, wherein the press-filtration cloth is a polyvinyl alcohol fiber press-filtration cloth.
8. A purifying ion exchange resin column according to any one of claims 1 to 7, wherein a support is provided at the lower end of the column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432192.4U CN211586636U (en) | 2019-12-30 | 2019-12-30 | Ion exchange resin column for purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432192.4U CN211586636U (en) | 2019-12-30 | 2019-12-30 | Ion exchange resin column for purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211586636U true CN211586636U (en) | 2020-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922432192.4U Active CN211586636U (en) | 2019-12-30 | 2019-12-30 | Ion exchange resin column for purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211586636U (en) |
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2019
- 2019-12-30 CN CN201922432192.4U patent/CN211586636U/en active Active
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