CN106915800A - A kind of method for softening water treatment system resin regeneration - Google Patents
A kind of method for softening water treatment system resin regeneration Download PDFInfo
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- CN106915800A CN106915800A CN201510985262.2A CN201510985262A CN106915800A CN 106915800 A CN106915800 A CN 106915800A CN 201510985262 A CN201510985262 A CN 201510985262A CN 106915800 A CN106915800 A CN 106915800A
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- resin
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The present invention relates to a kind of method of the resin regeneration of ion exchange softening water treatment system, regenerated liquid immersion resin is passed through and with raw water or soft water rinse resin using more than at least twice in the method and step of ion exchange resin regeneration.The softening water treatment system resin regeneration method that the present invention is provided, regenerated liquid is passed through by the multistage and soaks resin, regenerated liquid and resin multistage is set to be fully contacted and occur ion exchange, the hard water ions such as calcium and magnesium are flushed out by resin container by flushing again, such beneficial effect is that resin is sufficiently regenerated, regenerated liquid consumption is low, improves the production capacity for softening water treatment system up to more than 35%.
Description
Technical field
The present invention relates to a kind of method of the resin regeneration of ion exchange softening water treatment system.
Background technology
Softening water treatment field, if Chinese patent literature title is a kind of multi-functional softener valve and its water treatment facilities CN103994250A, describing existing water treatment system uses valve element by controlling the flow direction of current, and flow path is set using the arrangement of valve water stream channel and position, runner is switched over, soft water processed in water treatment procedure is realized, is backwashed, following current or adverse current inhale salt regeneration, to salt box moisturizing by the way of mending raw water or mending soft water, the method for the resin regeneration such as positive flushing.
Common softening water treatment system has two kinds of patterns of fixed bed and floating bed.For fixed bed, its resin regeneration method is usually：Backwash→Inhale salt regeneration→Slowly wash→
Just wash；For floating bed, its resin regeneration method is usually：Denidation→Inhale salt regeneration→Slowly wash→
Just wash.The resin regeneration method of the softening water treatment system of both patterns is substantially similar, and the factor that influence softens the resin regeneration effect of water treatment system has：Regeneration flow velocity, regenerated liquid resin bed whether distribution uniform, time of contact of regeneration solution concentration, regenerated liquid and resin etc., because pressure oscillation, resin container size and height differ, water distribution is unequal because of local stoppages can all cause resin regeneration effect to change for water-locator, softening water treatment system is set to be difficult in optimal resin regeneration condition.
Using the family expenses water softening device of fixed bed pattern as a kind of softening water treatment system for improving life staying idle at home quality, increasingly extensive is widely applied, but limited by installing space, generally use short and stout resin container, brine distribution is uneven and salt solution is too fast through resin bed when result causes resin regeneration, causes resin regeneration effect bad and salt water waste.
The ion exchange resin for softening water treatment field use common are two kinds of sodium form ion exchange resin and form ion exchange resin, and sodium chloride and acid are respectively adopted during regeneration as regenerative agent, and the regeneration of ion-exchange resin method of prior art is similar.
The content of the invention
Present invention solves the technical problem that be to provide it is a kind of soften water treatment system resin regeneration method, no matter the softening water treatment system of which kind of structural shape, resin can more fully regenerated, reduce regenerative agent consumption, improve soften water treatment system production capacity.
A kind of method for softening water treatment system resin regeneration, it is characterised in that be passed through regenerated liquid immersion resin and with raw water or soft water rinse resin using more than at least twice in the method and step of ion exchange resin regeneration.
Further, for the ion exchange resin regeneration method without salt box water softening device for having backwash function, step is as follows successively：
Backwash→First time dissolved salt soaks→
Rinse for the first time→Second dissolved salt immersion→
Rinse for second→Third time dissolved salt soaks→Third time is rinsed.
Further, for the ion exchange resin regeneration method for having salt box fixed bed to soften water treatment system, step is as follows successively：Backwash→Salt immersion is inhaled for the first time→Rinse for the first time→
Inhale salt immersion for second→Rinse for second
→Third time inhales salt immersion→
Third time is rinsed.
Further, for without salt box water softening device or thering is salt box floating bed to soften the ion exchange resin regeneration method of water treatment system without backwash function：First time dissolved salt inhales salt immersion→Rinse for the first time
→Second dissolved salt inhales salt immersion→Rinse for second
→Third time dissolved salt inhales salt immersion→Third time is rinsed.
Further, regenerated liquid can be that jet is sucked, pumps into, puts into, the mode such as is pressed into the mode of resin bed.
Beneficial effect
Beneficial effects of the present invention：The softening water treatment system resin regeneration method that the present invention is provided, regenerated liquid is passed through by the multistage and soaks resin, regenerated liquid and resin multistage is set to be fully contacted and occur ion exchange, the hard water ions such as calcium and magnesium are flushed out by resin container by flushing again, such beneficial effect is that resin is sufficiently regenerated, regenerated liquid consumption is low, improves the production capacity for softening water treatment system up to more than 35%.
Specific embodiment
Embodiments of the invention are by taking sodium form ion exchange resin and sodium chloride regenerative agent as an example.
Embodiment one：
For the resin regeneration method without salt box water softening device for having backwash function, step is as follows successively：（It is a kind of water softening device without salt box water softening device CN204625389U with backwashing function using such as Chinese utility model patent title）
Backwash→First time dissolved salt soaks→
Rinse for the first time→Second dissolved salt immersion→
Rinse for second→Third time dissolved salt soaks→Third time is rinsed.
Wherein：
1st, backwash
Water softening device first carries out backwash when regenerating, and loosens the resin bed compressed in operation, is conducive to resin particle to be fully contacted with regenerated liquid, while in the suspension of resin surface accumulation in removing operation, some shredded resin particles are discharged also with backwash water.
2nd, first time dissolved salt immersion
Sufficient solid salt is put into resin container top, solid salt forms salt solution in starting to dissolve in water, and salt solution contact with resin occurs ion-exchange reactions, displaces the calcium ions and magnesium ions in resin internal gutter, when reaching ion-exchange equilibrium, stopping dissolved salt.
3rd, rinse for the first time
With raw water or soft water with certain flow rate by resin bed, the calcium ions and magnesium ions for cementing out will be cleaned and discharge resin container.
4th, second dissolved salt immersion
Carry out dissolved salt immersion to resin again, solid salt forms salt solution in continuing to dissolve in water, and salt solution further displaces the calcium ions and magnesium ions in resin internal gutter, when reaching ion-exchange equilibrium, stops dissolved salt.
5th, rinse for second
The calcium ions and magnesium ions cemented out by resin bed, cleaning with certain flow rate with raw water or soft water, discharge resin container.
6th, third time dissolved salt immersion
Remaining solid salt forms salt solution in being completely dissolved into water, and salt solution displaces calcium ions and magnesium ions few in number in resin internal gutter.
7th, third time is rinsed
With raw water or soft water with certain flow rate by resin bed, the calcium ions and magnesium ions for cementing out will be cleaned and discharge resin container, until going out the water hardness reaches requirement.
The advantage of the present embodiment renovation process is：First, make saline solution uniform with resin by immersion and be fully contacted, the calcium ions and magnesium ions in resin inner duct are displaced to greatest extent；Secondly soaking stage by stage and rinse can more fully displace calcium ions and magnesium ions in resin inner duct, and water need to be repeatedly changed such as laundry clothes can just clean up reason soap is；3rd, by then passing through immersion regeneration, substantially reduce the waste that prior art causes regenerant salt to penetrate resin bed because water distribution is uneven.
Embodiment two
For the resin regeneration method for having salt box fixed bed to soften water treatment system, step is as follows successively：（It is the water softening device of a kind of multi-functional softener valve and its water treatment facilities CN203809772U using such as Chinese utility model patent title）
Backwash→Salt immersion is inhaled for the first time→Rinse for the first time→
Inhale salt immersion for second→Rinse for second
→Third time inhales salt immersion→
Third time is rinsed.
It is to suck salt solution from salt box by ejector to carry out ion exchange regenerant to resin in resin container in regeneration to have salt box fixed bed to soften water treatment system, the procedure of the present embodiment is that dissolved salt immersion is changed into inhaling salt immersion with the difference of embodiment one, the similar embodiment one of process description, this is no longer going to repeat them.
Embodiment three
For without backwash function without salt box water softening device（It is a kind of water softening device without salt box water softening device CN204281426U using such as Chinese utility model patent title）Or there is salt box floating bed to soften the resin regeneration method of water treatment system：
First time dissolved salt inhales salt immersion→Rinse for the first time
→Second dissolved salt inhales salt immersion→Rinse for second
→Third time dissolved salt inhales salt immersion→Third time is rinsed.
The present embodiment is that the present embodiment does not have back-washing method with the difference of embodiment one and embodiment two, and remaining procedure describes similar embodiment one, will not be repeated here.
Above-mentioned softening water treatment system resin regeneration method of the invention, regenerated liquid is passed through by the multistage and soaks resin, regenerated liquid and resin multistage is set to be fully contacted and occur ion exchange, the hard water ions such as calcium and magnesium are flushed out by resin container by flushing again, such beneficial effect is that resin is sufficiently regenerated, regenerated liquid consumption is low, improves the production capacity for softening water treatment system up to more than 35%.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, on the premise of know-why of the invention is not departed from; some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.For example increase and decrease immersion and rinse number of times, using different regenerating mediums and change by the way of regenerated liquid enters resin container etc., these simple changes are all within protection scope of the present invention.
Claims (5)
1. a kind of method for softening water treatment system resin regeneration, it is characterised in that be passed through regenerated liquid immersion resin and with raw water or soft water rinse resin using more than at least twice in the method and step of ion exchange resin regeneration.
2. it is according to claim 1 it is a kind of soften water treatment system resin regeneration method, it is characterised in that for the ion exchange resin regeneration method without salt box water softening device for having backwash function, step is as follows successively：
Backwash→First time dissolved salt soaks→Rinse for the first time→Second dissolved salt immersion→Rinse for second→
Third time dissolved salt soaks→Third time is rinsed.
3. a kind of method for softening water treatment system resin regeneration according to claim 1, it is characterised in that for the ion exchange resin regeneration method for having salt box fixed bed to soften water treatment system, step is as follows successively：Backwash
→Salt immersion is inhaled for the first time→Rinse for the first time→Inhale salt immersion for second→Rinse for second→Third time inhales salt immersion
→Third time is rinsed.
4. a kind of method for softening water treatment system resin regeneration according to claim 1, it is characterised in that for without salt box water softening device or thering is salt box floating bed to soften the ion exchange resin regeneration method of water treatment system without backwash function：First time dissolved salt inhales salt immersion→Rinse for the first time→Second dissolved salt inhales salt immersion
→Rinse for second→Third time dissolved salt inhales salt immersion→Third time is rinsed.
5. a kind of method for softening water treatment system resin regeneration according to claim 1, it is characterised in that regenerated liquid is that jet is sucked, pumps into, put into or press mode into the mode of resin bed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510985262.2A CN106915800A (en) | 2015-12-25 | 2015-12-25 | A kind of method for softening water treatment system resin regeneration |
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| CN201510985262.2A CN106915800A (en) | 2015-12-25 | 2015-12-25 | A kind of method for softening water treatment system resin regeneration |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110465333A (en) * | 2018-05-10 | 2019-11-19 | 佛山市顺德区美的饮水机制造有限公司 | Resin regeneration method, controller, water softening device and computer readable storage medium |
| CN110624611A (en) * | 2019-03-27 | 2019-12-31 | 兆德（南通）电子科技有限公司 | Cation resin regeneration process |
| CN111569956A (en) * | 2020-04-14 | 2020-08-25 | 开能健康科技集团股份有限公司 | Regeneration process of exchange resin of water softener |
| CN111874994A (en) * | 2020-08-20 | 2020-11-03 | 常州海沃尔环保科技有限公司 | Wireless sensing device and water softening equipment using same |
| CN112076805A (en) * | 2020-09-22 | 2020-12-15 | 南京云畅环保科技有限公司 | High-salt water resin softening regeneration process |
| CN112794407A (en) * | 2020-12-25 | 2021-05-14 | 珠海格力电器股份有限公司 | Flow guide part, softening system and regeneration recovery method |
| CN113019475A (en) * | 2021-03-16 | 2021-06-25 | 台嘉成都玻纤有限公司 | Softener resin regeneration method |
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| CN1108620A (en) * | 1995-01-25 | 1995-09-20 | 王廷生 | Method for recovering mild-bed resin in salt-removing system of water treatment |
| CN1051725C (en) * | 1994-12-12 | 2000-04-26 | 王廷生 | Fixed double bunk ion exchange resin regeneration method and device |
| CN203833677U (en) * | 2014-05-09 | 2014-09-17 | 南通天源气体有限公司 | Softened water treatment system |
| CN204550281U (en) * | 2015-04-02 | 2015-08-12 | 四川科伦药业股份有限公司 | Softened water treatment system |
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| CN1051725C (en) * | 1994-12-12 | 2000-04-26 | 王廷生 | Fixed double bunk ion exchange resin regeneration method and device |
| CN1108620A (en) * | 1995-01-25 | 1995-09-20 | 王廷生 | Method for recovering mild-bed resin in salt-removing system of water treatment |
| CN203833677U (en) * | 2014-05-09 | 2014-09-17 | 南通天源气体有限公司 | Softened water treatment system |
| CN204550281U (en) * | 2015-04-02 | 2015-08-12 | 四川科伦药业股份有限公司 | Softened water treatment system |
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| 淄博市劳动局编: "《锅炉水质处理及分析》", 31 January 1981 * |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110465333A (en) * | 2018-05-10 | 2019-11-19 | 佛山市顺德区美的饮水机制造有限公司 | Resin regeneration method, controller, water softening device and computer readable storage medium |
| CN110624611A (en) * | 2019-03-27 | 2019-12-31 | 兆德（南通）电子科技有限公司 | Cation resin regeneration process |
| CN111569956A (en) * | 2020-04-14 | 2020-08-25 | 开能健康科技集团股份有限公司 | Regeneration process of exchange resin of water softener |
| CN111874994A (en) * | 2020-08-20 | 2020-11-03 | 常州海沃尔环保科技有限公司 | Wireless sensing device and water softening equipment using same |
| CN112076805A (en) * | 2020-09-22 | 2020-12-15 | 南京云畅环保科技有限公司 | High-salt water resin softening regeneration process |
| CN112794407A (en) * | 2020-12-25 | 2021-05-14 | 珠海格力电器股份有限公司 | Flow guide part, softening system and regeneration recovery method |
| CN112794407B (en) * | 2020-12-25 | 2023-11-28 | 珠海格力电器股份有限公司 | Flow guiding piece, softening system and regeneration recovery method |
| CN113019475A (en) * | 2021-03-16 | 2021-06-25 | 台嘉成都玻纤有限公司 | Softener resin regeneration method |
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Application publication date: 20170704 |