CN1477062A - Method for circular regeneration of demineralized water - Google Patents

Method for circular regeneration of demineralized water Download PDF

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Publication number
CN1477062A
CN1477062A CNA021289611A CN02128961A CN1477062A CN 1477062 A CN1477062 A CN 1477062A CN A021289611 A CNA021289611 A CN A021289611A CN 02128961 A CN02128961 A CN 02128961A CN 1477062 A CN1477062 A CN 1477062A
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China
Prior art keywords
exchange
regeneration
water
ion
imbibition
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CNA021289611A
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CN1284733C (en
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郭新洪
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Beijing Tianhong Polytron Technologies Inc
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Abstract

The present invention relates to a method for cyclic regeneration when the ion exchange method is adopted to soften water quality, specially, it is a full-automatic intelligent controlled cyclie regeneration method, including five steps of back washing, sucking liquor, exchange, forward washing and supplementing water. The existent exchange process can be decomposed into two independent programs of sucking liquor and exchange to make sodium ion and calcium and magnesium ions obtain more full exchange so as to raise the effect for optimizing water quality.

Description

A kind of method of cyclic regeneration of demineralized water
Technical field
The invention belongs to a kind of softening installation of Drinking Water, especially softening and can regenerate the water softening device that recycles automatically with ion exchange method.
Background technology
Hardness of drinking water is too high, can produce detrimentally affect to the systems such as digestion circulation of human body, and can fouling in kettle and water-heater, influences its use.Along with the increase of population, the urban life hardness of drinking water is more and more higher, compares with 85 years national standards with 59 years national standards of tap water, and tap water hardness has risen to the 450mg/L in 85 years from 250mg/L, and hardness standard has risen 80%.And the tap water hardness of world health organisation recommendations is 100mg/L.This shows that tap water was necessary to soften processing before drinking.At present, methods such as medical method, electroosmose process and reverse osmosis method are arranged both at home and abroad for water purifying means.Medical method is directly dosing in tank, and capital cost and running cost are low, and power consumption is little, but labour intensity is big and can only dispel temporary hardness; Purifying waste water with the electrolysis method is the selection perviousness of utilizing ion-exchange membrane, and the calcium ions and magnesium ions in the water is cemented out; The refining plant of reverse osmosis method is to establish a semi-permeable membranes in device, add than the higher pressure of naturally osmotic pressure on one side of solution, to reverse the method for naturally osmotic, the solvent of strong solution is pressed onto in the dilute solution of the other side of semi-permeable membranes, play filtering effect.Is the difference separate equipment and utilize these three kinds of methods for the purification and the remollescent device of Drinking Water, and flow is little, and operation and complex disposal process.The domestic and international at present device regeneration step for the ion exchange method softening water is generally backwash, exchange and is just washing.Adopt this method and rely on current to form negative pressure and when drawing solution regeneration system as regenerator, in exchange process, wasted a large amount of water and salt, and the resin cation (R.C.) regeneration effect is insufficient if be applied in.
Summary of the invention
The present invention has improved a kind of method that adopts ion exchange method softening water cyclic regeneration, and if the device that makes softening water is can be more rational above-mentioned ion exchange system is saturated after, water saving, economize the cyclic regeneration of energy.Improved method is as follows:
(1) backwash: under the automatic control of controller, combined valve is opened tap water and is entered from the bottom of ion-exchanger, makes resin cation (R.C.) loosening, the dirt settling on the flushing resin, and it is discharged from sewage draining exit.Enter next imbibition program then.
(2) imbibition: under the automatic control of controller, combined valve is opened, and the negative pressure that relies on current to form extracts regenerated liquid and enters ion-exchanger from the regeneration flow container, resin cation (R.C.) is soaked.Enter next exchanger then.
(3) exchange: under the automatic control of controller, combined valve is closed and is continued for some time, and makes sodium ion and calcium ions and magnesium ions carry out cmpletely exchange at the appointed time.
(4) just wash: under the automatic control of controller, the mouth of just washing of combined valve is opened tap water and is entered in the ion-exchanger calcium ions and magnesium ions solution and regeneration soln are discharged from sewage draining exit.
(5) moisturizing: under the automatic control of controller, the combined valve water supplement port is opened tap water and is entered in the regeneration flow container, with dissolving part crude salt, uses controller to regulate the height of liquid level when regenerating next time.
This method improvement present ion exchange method when regeneration system rapidly relies on current to form negative pressure when drawing regenerated liquid deficiency, common single exchange process is passed through research, take technique means first, this one step is decomposed into imbibition and exchanges two independently programs.Improved the usefulness of demineralized water like this in a large amount of water savings, province's salt, made ion-exchange more abundant, level of automation is higher.
Description of drawings
Accompanying drawing is a schema of the present invention, and wherein Fig. 1 is that crossing-over map, Fig. 4 are moisturizing figure for just washing figure, Fig. 5 for backwash figure, Fig. 2 for imbibition figure, Fig. 3.

Claims (4)

1. method of improving the cyclic regeneration of ion exchange method demineralized water regeneration system rapidly is characterized in that this method is made up of following flow process: backwash, imbibition, exchange, just wash and moisturizing.
2. the method for claim 1 is characterized in that taking first backwash with the loosening method that exchanges again of resin cation (R.C.).
3. the method for claim 1 is characterized in that general exchange step is decomposed into two independent step of imbibition and exchange, makes ion-exchange carry out more fully.
4. the method for claim 1 is characterized in that watering step opens combined valve by two-position controller, and tap water enters in the regeneration flow container, and makes the water surface remain on the height of setting.
CN02128961.1A 2002-08-23 2002-08-23 Method for circular regeneration of demineralized water Expired - Lifetime CN1284733C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN02128961.1A CN1284733C (en) 2002-08-23 2002-08-23 Method for circular regeneration of demineralized water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN02128961.1A CN1284733C (en) 2002-08-23 2002-08-23 Method for circular regeneration of demineralized water

Publications (2)

Publication Number Publication Date
CN1477062A true CN1477062A (en) 2004-02-25
CN1284733C CN1284733C (en) 2006-11-15

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Application Number Title Priority Date Filing Date
CN02128961.1A Expired - Lifetime CN1284733C (en) 2002-08-23 2002-08-23 Method for circular regeneration of demineralized water

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CN (1) CN1284733C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101955245A (en) * 2010-03-16 2011-01-26 克拉玛依市博瑞科技发展有限责任公司 Regeneration intermittent washing process for water treatment demineralizer
CN106140329A (en) * 2016-08-18 2016-11-23 南京福碧源环境技术有限公司 Soften the renovation process of resin
CN109620079A (en) * 2019-01-16 2019-04-16 中山市浩乐电器制造有限公司 Its dish-washing machine of a kind of regenerated control method of water softener and application

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101955245A (en) * 2010-03-16 2011-01-26 克拉玛依市博瑞科技发展有限责任公司 Regeneration intermittent washing process for water treatment demineralizer
CN106140329A (en) * 2016-08-18 2016-11-23 南京福碧源环境技术有限公司 Soften the renovation process of resin
CN109620079A (en) * 2019-01-16 2019-04-16 中山市浩乐电器制造有限公司 Its dish-washing machine of a kind of regenerated control method of water softener and application

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Publication number Publication date
CN1284733C (en) 2006-11-15

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Granted publication date: 20061115