CN202671257U - Loosening device of resin layer of chelating resin tower - Google Patents
Loosening device of resin layer of chelating resin tower Download PDFInfo
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- CN202671257U CN202671257U CN 201220295664 CN201220295664U CN202671257U CN 202671257 U CN202671257 U CN 202671257U CN 201220295664 CN201220295664 CN 201220295664 CN 201220295664 U CN201220295664 U CN 201220295664U CN 202671257 U CN202671257 U CN 202671257U
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Abstract
The utility model provides a loosening device of a resin layer of a chelating resin tower. The loosening device comprises an air filter (1), the chelating resin tower (4), a resin catcher (5) and a wastewater storage tank (6), wherein an upstream side of the air filter (1) is connected with a compressed air source, a downstream side of the air filter (1) is communicated with the chelating resin tower (4) through a pipeline, the top part of the chelating resin tower (4) is communicated with the resin catcher (5), the bottom part of the chelating resin tower (4) is communicated with the wastewater storage tank (6), and the resin catcher (5) is also communicated with the wastewater storage tank (6). According to the loosening device provided by the utility model, the caking phenomenon of chelating resin can be effectively improved, the resin regeneration effect can be increased, broken resin causing the caking phenomenon can be washed, the cost is saved, the qualification of salt water is ensured, and meanwhile, the damage to an ionic membrane is reduced.
Description
Technical field
The utility model relates to chlor-alkali production Technology field, the device that particularly in a kind of chlor-alkali production process the resin layer in the chelate resin tower is loosened.
Background technology
In recent years, in the development of China's chlor-alkali industry, ion-exchange membrane electrolyzer replaces mercury cell and diaphragm sell increasingly, and ion-exchange membrane electrolyzer is quite strict to the index request of refined brine, calcium magnesium index request is less than 20PPb, if calcium magnesium index is defective, will cause electrolytic bath voltage to rise, current efficiency descends, and is attached to for a long time the work-ing life that affects ionic membrane on the ionic membrane.So the adsorptive power of resin is particularly important, its leading indicator is the effect of chelate resin tower regeneration, the broken situation of the pressure of chelate resin tower and resin.
The chlor-alkali industry ion-exchange membrane electrolyzer anode index of refined brine, the electrolyzer refined brine is to adopt chelate resin tower behind primary refined brine, utilize the metal ions such as calcium in the resin absorption salt solution wherein, magnesium, iron, equal available pressurized air bubbling and carry out large flow backwash with loose resin layer when calcium, magnesium, iron plasma concentration are higher than in indication range or the resin tower the more and even resin of broken resin caking phenomenon is arranged in salt solution.
Many for the chelate resin tower broken resin, cause caking, need often chelate resin tower to be carried out large flow backwash, but concrete steps are: washing I, large flow backwash, acid regeneration, washing II, alkali regeneration, washing III waits for I, II is waited in the salt solution displacement.
Existing that chelate resin tower is carried out the step of large flow backwash is various, and it is many to carry out the device feature that large flow backwash adopts, complex structure, manufacturing cost is high, and can not be effectively, loose resin layer up hill and dale.
The utility model content
The technical problem that (one) will solve
The technical problems to be solved in the utility model provides a kind of loosening apparatus of chelate resin tower resin layer, and to overcome defects, the existing loose resin layer apparatus structure of solution is complicated, manufacturing cost is high, the problem of the resin layer that can not loosen effectively, up hill and dale.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of loosening apparatus of chelate resin tower resin layer, it comprises: air filter 1, chelate resin tower 4, resin catcher 5, waste water storage tank 6, the upstream side of air filter 1 is connected with compressed air source, the downstream side is communicated with chelate resin tower 4 by pipeline, the top of chelate resin tower 4 is communicated with resin catcher 5, and the bottom is communicated with waste water storage tank 6, and resin catcher 5 also is communicated with waste water storage tank 6.
Wherein, the pipeline in air filter 1 downstream has two branches, and the first branch is communicated with the top of chelate resin tower 4, and the second branch is communicated with the bottom of chelate resin tower 4.
Wherein, the loosening apparatus of this chelate resin tower resin layer also comprises under meter 2, and under meter 2 is arranged between air filter 1 and the chelate resin tower 4.
Wherein, the loosening apparatus of this chelate resin tower resin layer also comprises internally piloted valve 3, and internally piloted valve 3 is arranged between air filter 1 and the chelate resin tower 4.
Wherein, internally piloted valve 3 is arranged between under meter 2 and the chelate resin tower 4.
Perhaps, the bifurcation of the pipeline in air filter 1 downstream is provided with internally piloted valve 3, is used for controlling the compressed-air actuated flow direction.
(3) beneficial effect
The loosening apparatus of the chelate resin tower resin layer that the utility model technique scheme provides, when the resin in the chelate resin tower caking phenomenon occurs and goes out the salt solution index when defective, before acid regeneration, carry out bubbling with pressurized air, continue regeneration behind the bubbling, carry out large flow backwash behind the washing III, because of regeneration after resin layer more loose, carrying out at this moment large flow backwash can take broken resin and block resin out of, reduce resin tower pressure, pressure reduction, reach the ion-exchange membrane electrolyzer operating index.
This loosening apparatus can improve the caking phenomenon of resin effectively, improves the resin regeneration effect, washes the broken resin that causes caking off, has saved cost, ensures that salt solution is qualified, has also reduced the damage to ionic membrane simultaneously.
More than explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technique means of the present utility model, and can be implemented according to the content of specification sheets, and for above and other purpose of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the synoptic diagram of the loosening apparatus of the chelate resin tower resin layer that provides of the utility model embodiment.
Wherein, 1-air filter; The 2-under meter; The 3-internally piloted valve; The 4-chelate resin tower; The 5-resin catcher; 6-waste water storage tank.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
In description of the present utility model, need to prove, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the utility model and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand the concrete meaning of above-mentioned term in the utility model.
In addition, in description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
With reference now to Fig. 1,, the loosening apparatus of the chelate resin tower resin layer of present embodiment comprises: air filter 1, chelate resin tower 4, resin catcher 5, waste water storage tank 6, the upstream side of air filter 1 is connected with compressed air source, the downstream side is communicated with chelate resin tower 4 by pipeline, the top of chelate resin tower 4 is communicated with resin catcher 5, the bottom is communicated with waste water storage tank 6, and resin catcher 5 also is communicated with waste water storage tank 6.
Enter air filter 1 from the pressurized air of compressed air source and filter, the pressurized air after the filtration enters chelate resin tower 4 by pipeline.
The pipeline in air filter 1 downstream has two branches, the first branch is communicated with the top of chelate resin tower 4, is used for pressurized air is entered from the top of chelate resin tower 4, and liquid is discharged from the bottom of chelate resin tower 4, namely realize discharge opeing, the liquid of discharge enters waste water storage tank 6; The second branch is communicated with the bottom of chelate resin tower 4, is used for pressurized air is entered from the bottom of chelate resin tower 4, goes out from the top of chelate resin tower 4, namely realizes blowback, and resin layer more up hill and dale can loosen.
The loosening apparatus of this chelate resin tower resin layer also comprises under meter 2, and under meter 2 is arranged between air filter 1 and the chelate resin tower 4, is used for the compressed-air actuated amount that metering and control enter chelate resin tower 4.
The loosening apparatus of this chelate resin tower resin layer also comprises internally piloted valve 3, and internally piloted valve 3 is arranged between air filter 1 and the chelate resin tower 4, and further is arranged between under meter 2 and the chelate resin tower 4.Internally piloted valve 3 is arranged on the bifurcation of the pipeline in air filter 1 downstream, is used for controlling the compressed-air actuated flow direction, namely controls pressurized air and enters chelate resin tower 4 from the top by the first branch, perhaps enters chelate resin tower 4 from the bottom by the second branch.
Internally piloted valve 3 can be T-valve, or other can realize a house steward's gas is switched to respectively the valve of two branch lines.
The loosening apparatus of the chelate resin tower resin layer that this practicality provides, when the resin in the chelate resin tower caking phenomenon occurs and goes out the salt solution index when defective, before acid regeneration, carry out bubbling with pressurized air, continue regeneration behind the bubbling, carry out large flow backwash behind the washing III, because the resin layer after the regeneration is more loose, carry out at this moment large flow backwash and broken resin and block resin can be taken out of, reduce resin tower pressure, pressure reduction, reach the ion-exchange membrane electrolyzer operating index.
Adopt the loosening apparatus of the chelate resin tower resin layer that this practicality provides, when the resin layer in the chelate resin tower is loosened, before the chelate resin tower backwash, increase discharge opeing and blowback, leave standstill step, discharge opeing is that pressurized air is entered by the resin top of tower, from the bottom liquid is discharged, prevent from when blowback the resin blowback gone out causing damage; Discharge opeing enters the blowback step after finishing, and pressurized air is entered by the resin tower bottom, and go out at the top, more loose resin layer; After finishing, blowback with the direct backwash of pure water, broken resin in the resin tower is cleared out; Backwash is left standstill after finishing, and carries out acid regeneration after resin layer falls after rise again; And with large flow backwash step be located at the washing III after, after resin regeneration was complete, resin layer was more loose, can easily broken resin be cleared out, had reduced pressure, the pressure reduction of resin tower, reached the ion-exchange membrane electrolyzer operating index.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (6)
1. the loosening apparatus of a chelate resin tower resin layer, comprise: air filter (1), chelate resin tower (4), resin catcher (5), waste water storage tank (6), the upstream side of air filter (1) is connected with compressed air source, the downstream side is communicated with chelate resin tower (4) by pipeline, the top of chelate resin tower (4) is communicated with resin catcher (5), the bottom is communicated with waste water storage tank (6), and resin catcher (5) also is communicated with waste water storage tank (6).
2. loosening apparatus according to claim 1 is characterized in that, the pipeline in air filter (1) downstream has two branches, and the first branch is communicated with the top of chelate resin tower (4), and the second branch is communicated with the bottom of chelate resin tower (4).
3. loosening apparatus according to claim 1 and 2 is characterized in that, the loosening apparatus of this chelate resin tower resin layer also comprises under meter (2), and under meter (2) is arranged between air filter (1) and the chelate resin tower (4).
4. loosening apparatus according to claim 3 is characterized in that, the loosening apparatus of this chelate resin tower resin layer also comprises internally piloted valve (3), and internally piloted valve (3) is arranged between air filter (1) and the chelate resin tower (4).
5. loosening apparatus according to claim 4 is characterized in that, internally piloted valve (3) is arranged between under meter (2) and the chelate resin tower (4).
6. loosening apparatus according to claim 2 is characterized in that, the bifurcation of the pipeline in air filter (1) downstream is provided with internally piloted valve (3), is used for controlling the compressed-air actuated flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295664 CN202671257U (en) | 2012-06-21 | 2012-06-21 | Loosening device of resin layer of chelating resin tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295664 CN202671257U (en) | 2012-06-21 | 2012-06-21 | Loosening device of resin layer of chelating resin tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202671257U true CN202671257U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220295664 Expired - Lifetime CN202671257U (en) | 2012-06-21 | 2012-06-21 | Loosening device of resin layer of chelating resin tower |
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| CN (1) | CN202671257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002519A (en) * | 2014-04-22 | 2015-10-28 | 蓝星(北京)化工机械有限公司 | Secondary brine refining method for making large scale chelating resin tower achieve water saving effect |
| CN107050984A (en) * | 2017-04-14 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of thermal power plant condensate polishing treatment tree catches device aqueous vapor back washing device and method |
-
2012
- 2012-06-21 CN CN 201220295664 patent/CN202671257U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002519A (en) * | 2014-04-22 | 2015-10-28 | 蓝星(北京)化工机械有限公司 | Secondary brine refining method for making large scale chelating resin tower achieve water saving effect |
| CN107050984A (en) * | 2017-04-14 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of thermal power plant condensate polishing treatment tree catches device aqueous vapor back washing device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
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| CX01 | Expiry of patent term |