CN104986825A - Wastewater treatment process for ion exchange system - Google Patents
Wastewater treatment process for ion exchange system Download PDFInfo
- Publication number
- CN104986825A CN104986825A CN201510426633.3A CN201510426633A CN104986825A CN 104986825 A CN104986825 A CN 104986825A CN 201510426633 A CN201510426633 A CN 201510426633A CN 104986825 A CN104986825 A CN 104986825A
- Authority
- CN
- China
- Prior art keywords
- bed
- alkali
- regeneration
- water
- injector
- 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.)
- Pending
Links
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention discloses a wastewater treatment process for an ion exchange system. The process comprises the following steps: a, closing all valves of a cation bed and an anion bed, and carrying out regeneration after resin falls into beds; b, successively opening air outlet valves and regeneration-liquid inlet valves of the cation bed and the anion bed, and opening water inlet valves and regeneration-water pumps of an acid ejector and an alkali ejector; c, when air outlet pipes of the cation bed and the anion bed discharge water, opening regeneration-water outlet valves of the cation bed and the anion bed, and closing the air outlet valves of the cation bed and the anion bed at the same time; d, opening regeneration-liquid outlet valves of an acid metering tank and an alkali metering tank, and when usage amounts of acid and alkali reach preestimated values, closing the regeneration-liquid outlet valves of the acid metering tank and the alkali metering tank; and e, keeping the opening degree of the water inlet valves of the acid ejector and the alkali ejector, adjusting flow of the water inlet valves, starting displacement inside the beds, and after the displacement is completed, discharging waste liquid into a neutralization pool, and finally discharging the waste liquid out of the neutralization pool. The wastewater treatment process for the ion exchange system provided by the invention avoids complicated treatment of subsequent regeneration wastewater in conventional regeneration process, so that pollution to the environment, equipment investment and operation cost are reduced.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of ion exchange system waste water treatment process and system.
Background technology
Ion exchange system is the one tradition water technology of being replaced the various anions and canons in water by anion and cation exchange resin, is widely used in the preparation of the works such as electronics, ion exchange resin system, boiler feedwater water and pharmaceutical ultrapure industry ultrapure water, high purity water.At present, domestic ion exchange process at home water treatment field still obtains commonplace application, ion interchange regeneration system includes soda acid storage tank, pH meter measuring tank, soda acid injector, the equipment such as regeneration water pump, waste water can be produced in regenerative process, wherein waste water ph present acidity or alkalescence and emission standard can not be reached, thus to environment, to in neutralizing water tank by the discharge of wastewater in ion exchange process to this existing common practices, then acid or alkali is additionally added in neutralizing water tank, waste water in pond to be neutralized discharges after becoming neutrality again, but on the one hand because neutralizing water tank is larger in such treatment process, be difficult to when adding acid or alkali control dosage, then cause needing repeatedly to add acid or alkali, make complex operation step, acid or alkali is added on the other hand directly to neutralizing water tank, be difficult to hold accurately need the content adding acid or alkali, existing ion exchange system and technique add running cost when in use.
Summary of the invention
For drawback of the prior art, the invention provides a kind of ion exchange system waste water treatment process and system.
To achieve these goals, the technical scheme that the present invention intends adopting is:
A kind of ion exchange system waste water treatment process, comprises the following steps:
A, close cation bed, all valves of anion bed, regenerate after resin denidation, described cation bed, anion bed achieve and regenerate simultaneously;
B, opens the vent valve in cation bed and anion bed successively, enters regenerated liquid valve, then opens the water intaking valve of Acid injector, the water intaking valve of alkali injector and regeneration water pump;
C, after the vapor pipe water outlet of cation bed, anion bed, open the regeneration water discharge valve in cation bed, anion bed, close the vent valve in cation bed, anion bed, regeneration water discharge valve, the water intaking valve of Acid injector and the water intaking valve of alkali injector in adjustment cation bed, anion bed make regenerated liquid flow speed stability in cation bed, anion bed calculate set point value (according to situ flow gauge numerical operation) simultaneously;
D, because Acid injector is communicated with sour batch meter, alkali injector is communicated with alkali batch meter, open the regenerated liquid outlet valve of regenerated liquid outlet valve on sour batch meter and alkali batch meter, then cation bed is adjusted, in anion bed, regeneration solution concentration is stablized to calculating set point value (according to teletransmission densitometer numerical operation), when the alkali number that the regenerated liquid outlet valve in the acid amount gone out from the regenerated liquid outlet valve on sour batch meter and alkali batch meter goes out reaches prior estimate, close the regenerated liquid outlet valve of regenerated liquid outlet valve on sour batch meter and alkali batch meter, described acid amount, alkali consumption is for calculating prior estimate,
The aperture of e, the maintenance water intaking valve of Acid injector, the water intaking valve of alkali injector, basically identical when adjustment flow and regeneration, start to carry out displacement in a body, be replaced rear waste liquid and enter neutralizing water tank, its waste liquid can enter neutralizing water tank by trench, its regeneration waste liquid can complete self-neutralization process in trench, discharges in neutralizing water tank with water pump and water pipe;
F, be replaced after close regeneration water pump, the water intaking valve of Acid injector, the water intaking valve of alkali injector successively, then close successively and cation bed and anion bed enter regenerated liquid valve, regeneration water discharge valve.
Described regeneration water pump is communicated with by under meter one with the water intaking valve of Acid injector, is communicated with between described regeneration water pump and the water intaking valve of alkali injector by under meter two.
A kind of ion exchange system wastewater treatment equipment, comprise sour batch meter, alkali batch meter, Acid injector, alkali injector, regeneration water pump, cation bed and anion bed, acid batch meter is connected with cation bed by Acid injector, alkali batch meter is connected with anion bed by alkali injector, Acid injector is connected with regeneration water pump by under meter one, alkali injector is connected with regeneration water pump by under meter two, cation bed and anion bed are all by pipeline communication neutralizing water tank, in neutralizing water tank, water pump is installed, water pump is connected with liquid discharge pipe, neutralizing water tank carries out draining with liquid discharge pipe with outside connection by water pump.
Described cation bed and anion bed are all provided with into regenerated liquid valve and regeneration water discharge valve.
Beneficial effect of the present invention: compared with prior art, the present invention is by changing regeneration mode, whole acid is all flow through in the cation bed body that need regenerate, whole alkali all flows through in the anion bed body that need regenerate, acid-base raw materials is fully used, the alkali number that regenerated liquid outlet valve on the acid amount wherein gone out from the regenerated liquid outlet valve sour batch meter and alkali batch meter goes out can realize self-neutralization accurately time all excessive, such pattern not only reduces the loaded down with trivial details process to existing reclaiming process subsequent regeneration waste water, thus the pollution decreased environment, save soda acid consumption to greatest extent, and improve degree of percent regeneration of resin, improve acid, the utilization ratio of alkali, decrease the first loadings of resin, thus reduce cation bed, the operation pressure drop of anion bed and bed, extend resin work-ing life, be conducive to reducing cost of investment, also being conducive to equipment runs more stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of ion exchange system waste water treatment process, comprises the following steps:
A, close cation bed 1, all valves of anion bed 2, regenerate after resin denidation, described cation bed 1, anion bed 2 realize regenerating simultaneously;
B, opens the vent valve in cation bed 1 and anion bed 2 successively, enters regenerated liquid valve, then opens the water intaking valve of Acid injector 3, the water intaking valve of alkali injector 4 and regeneration water pump 5;
C, after the vapor pipe water outlet of cation bed 1, anion bed 2, open the regeneration water discharge valve in cation bed 1, anion bed 2, close the vent valve in cation bed 1, anion bed 2, regeneration water discharge valve, the water intaking valve of Acid injector 3 and the water intaking valve of alkali injector 4 in adjustment cation bed 1, anion bed 2 make regenerated liquid flow speed stability in cation bed 1, anion bed 2 calculate set point value (according to situ flow gauge numerical operation) simultaneously;
D, because Acid injector 3 is communicated with sour batch meter 10, alkali injector 4 is communicated with alkali batch meter 11, open the regenerated liquid outlet valve of regenerated liquid outlet valve on sour batch meter 10 and alkali batch meter 11, then cation bed 1 is adjusted, in anion bed 2, regeneration solution concentration is stablized to calculating set point value (according to teletransmission densitometer numerical operation), wherein cation bed 1, in anion bed 2, regeneration solution concentration is for calculating set point value, when the alkali number that the regenerated liquid outlet valve in the acid amount gone out from the regenerated liquid outlet valve on sour batch meter 10 and alkali batch meter 11 goes out reaches prior estimate, close the regenerated liquid outlet valve of regenerated liquid outlet valve on sour batch meter 10 and alkali batch meter 11, described acid, alkali consumption is for calculating prior estimate,
The aperture of e, the maintenance water intaking valve of Acid injector 3, the water intaking valve of alkali injector 4, basically identical when adjustment flow and regeneration, start to carry out displacement in a body, be replaced rear waste liquid and enter neutralizing water tank 6, its waste liquid can enter neutralizing water tank 6 by trench, wherein regeneration waste liquid can complete self-neutralization process in trench, discharges in neutralizing water tank 6 with water pump 7 and water pipe;
F, be replaced after close regeneration water pump 5, the water intaking valve of Acid injector 3, the water intaking valve of alkali injector 4 successively, then close successively and cation bed 1 and anion bed 2 enter regenerated liquid valve, regeneration water discharge valve.
Described regeneration water pump 5 is communicated with by under meter 1 with the water intaking valve of Acid injector 3, is communicated with between described regeneration water pump 5 and the water intaking valve of alkali injector 4 by under meter 29.
A kind of ion exchange system wastewater treatment equipment, comprise sour batch meter 10, alkali batch meter 11, Acid injector 3, alkali injector 4, regeneration water pump 5, cation bed 1 and anion bed 2, acid batch meter 10 is connected with cation bed 1 by Acid injector 3, alkali batch meter 11 is connected with anion bed 2 by alkali injector 4, Acid injector 3 is connected with regeneration water pump 5 by under meter 1, alkali injector 4 is connected with regeneration water pump 5 by under meter 29, cation bed 1 and anion bed 2 are all by pipeline communication neutralizing water tank 6, water pump 7 is installed in neutralizing water tank 6, water pump 7 is connected with liquid discharge pipe, neutralizing water tank 6 carries out draining with liquid discharge pipe with outside connection by water pump 7, described cation bed 1 and anion bed 2 are all provided with into regenerated liquid valve and regeneration water discharge valve.
The reclaim equiment that the present invention mainly utilizes existing ion exchange process to be equipped with, comprise with lower part: soda acid storage tank, pH meter measuring tank, soda acid injector, regeneration water pump, these equipment were just provided with in this ion exchange system construction period, do not need in the present invention additionally to increase equipment, in the present invention, regenerative agent uses hydrochloric acid and ionic membrane caustic soda, just soda acid consumption is accurately obtained by computer Simulation in this ion exchange system design phase, choose appropriate mistake to measure, determine the volume of pH meter measuring tank, by controlling cation bed body, the valve opening and closing order of anion bed body and reclaim equiment, adjustment regeneration solution concentration, flow and flow velocity, it is made automatically to neutralize while again regeneration waste liquid being drained into neutralizing water tank, carry out neutralizing treatment can reach emission standard without the need to additionally adding soda acid again, wherein the ion exchange process of Water Treatment is in operation one the water cycle processed, the next water cycle processed will could be run through carrying out regeneration to ion exchange resin, regenerative process comprises resin denidation, enter regenerated liquid, displacement, regenerate complete, and regeneration step only needs a step regeneration in the present invention, do not need substep, and be regenerate with the positive anion bed of group simultaneously, save the recovery time, regeneration water consumption.
Beneficial effect of the present invention: compared with prior art, the present invention is by changing regeneration mode, whole acid is all flow through in the cation bed body that need regenerate, whole alkali all flows through in the anion bed body that need regenerate, acid-base raw materials is fully used, the alkali number that regenerated liquid outlet valve on the acid amount wherein gone out from the regenerated liquid outlet valve sour batch meter and alkali batch meter goes out can realize self-neutralization accurately time all excessive, such pattern not only reduces the loaded down with trivial details process to existing reclaiming process subsequent regeneration waste water, thus the pollution decreased environment, save soda acid consumption to greatest extent, and improve degree of percent regeneration of resin, improve acid, the utilization ratio of alkali, decrease the first loadings of resin, thus reduce cation bed, the operation pressure drop of anion bed and bed, extend resin work-ing life, be conducive to reducing cost of investment, also being conducive to equipment runs more stable.
Claims (4)
1. an ion exchange system waste water treatment process, is characterized in that, comprises the following steps:
A, closes cation bed, all valves of anion bed, regenerates after resin denidation;
B, opens the vent valve in cation bed and anion bed successively, enters regenerated liquid valve, then opens the water intaking valve of Acid injector, the water intaking valve of alkali injector and regeneration water pump;
C, after the vapor pipe water outlet of cation bed, anion bed, open the regeneration water discharge valve in cation bed, anion bed, close the vent valve in cation bed, anion bed, regeneration water discharge valve, the water intaking valve of Acid injector and the water intaking valve of alkali injector in adjustment cation bed, anion bed make regenerated liquid flow speed stability in cation bed, anion bed calculate set point value simultaneously;
D, to be communicated with sour batch meter due to Acid injector, alkali injector is communicated with alkali batch meter, open the regenerated liquid outlet valve of regenerated liquid outlet valve on sour batch meter and alkali batch meter, then adjusting regeneration solution concentration in cation bed, anion bed stablizes to calculating set point value, when the alkali number that the regenerated liquid outlet valve in the acid amount gone out from the regenerated liquid outlet valve on sour batch meter and alkali batch meter goes out reaches prior estimate, close the regenerated liquid outlet valve of regenerated liquid outlet valve on sour batch meter and alkali batch meter;
The aperture of e, the maintenance water intaking valve of Acid injector, the water intaking valve of alkali injector, adjusts flow with basically identical during regeneration, starts to carry out replacing in a body, is replaced rear waste liquid and enters neutralizing water tank, discharges in neutralizing water tank with water pump and water pipe;
F, be replaced after close regeneration water pump, the water intaking valve of Acid injector, the water intaking valve of alkali injector successively, then close successively and cation bed and anion bed enter regenerated liquid valve, regeneration water discharge valve.
2. a kind of ion exchange system waste water treatment process as claimed in claim 1, is characterized in that, described regeneration water pump is communicated with by under meter one with the water intaking valve of Acid injector, is communicated with between described regeneration water pump and the water intaking valve of alkali injector by under meter two.
3. an ion exchange system wastewater treatment equipment, comprise sour batch meter, alkali batch meter, Acid injector, alkali injector, regeneration water pump, cation bed and anion bed, it is characterized in that, acid batch meter is connected with cation bed by Acid injector, alkali batch meter is connected with anion bed by alkali injector, Acid injector is connected with regeneration water pump by under meter one, alkali injector is connected with regeneration water pump by under meter two, cation bed and anion bed are all by pipeline communication neutralizing water tank, in neutralizing water tank, water pump is installed, water pump is connected with liquid discharge pipe, neutralizing water tank carries out draining with liquid discharge pipe with outside connection by water pump.
4. a kind of ion exchange system wastewater treatment equipment as claimed in claim 3, is characterized in that, described cation bed and anion bed are all provided with into regenerated liquid valve and regeneration water discharge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426633.3A CN104986825A (en) | 2015-07-07 | 2015-07-07 | Wastewater treatment process for ion exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426633.3A CN104986825A (en) | 2015-07-07 | 2015-07-07 | Wastewater treatment process for ion exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104986825A true CN104986825A (en) | 2015-10-21 |
Family
ID=54298754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510426633.3A Pending CN104986825A (en) | 2015-07-07 | 2015-07-07 | Wastewater treatment process for ion exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104986825A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748357A (en) * | 2017-11-03 | 2019-05-14 | 山东电力高等专科学校 | A kind of antipollution ion exchange water treatment actual training device |
| CN110357208A (en) * | 2019-06-13 | 2019-10-22 | 中国核电工程有限公司 | A kind of operation of primary ion demineralization plant and method for controlling reproduction |
| CN111036312A (en) * | 2020-01-04 | 2020-04-21 | 西安热工研究院有限公司 | Ion exchange resin regeneration monitoring control system and method |
| CN111333149A (en) * | 2020-03-18 | 2020-06-26 | 西安热工研究院有限公司 | System for sharing and regenerating acid and alkali for condensate polishing and boiler feed water treatment |
| CN112588328A (en) * | 2020-11-20 | 2021-04-02 | 国家能源集团乐东发电有限公司 | Method for controlling regeneration dosage and concentration of ion exchange resin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1361071A (en) * | 2000-12-29 | 2002-07-31 | 中国石化集团齐鲁石油化工公司 | Equivalent self-neutralizing process for regenerating effluent after water desalting treatment |
| CN101759310A (en) * | 2010-01-12 | 2010-06-30 | 广西三宝山新技术水处理有限公司 | Double-chamber full-chamber bed desalted water treatment method |
| WO2013071304A1 (en) * | 2011-11-10 | 2013-05-16 | Davis Jake | Electrochemical ion exchange water treatment |
| CN104291484A (en) * | 2014-09-30 | 2015-01-21 | 杭州安耐杰科技有限公司 | High-efficiency environment-friendly desalted water production method |
| CN204803044U (en) * | 2015-07-07 | 2015-11-25 | 杭州安耐杰科技有限公司 | Effluent treatment plant of ion exchange system |
-
2015
- 2015-07-07 CN CN201510426633.3A patent/CN104986825A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1361071A (en) * | 2000-12-29 | 2002-07-31 | 中国石化集团齐鲁石油化工公司 | Equivalent self-neutralizing process for regenerating effluent after water desalting treatment |
| CN101759310A (en) * | 2010-01-12 | 2010-06-30 | 广西三宝山新技术水处理有限公司 | Double-chamber full-chamber bed desalted water treatment method |
| WO2013071304A1 (en) * | 2011-11-10 | 2013-05-16 | Davis Jake | Electrochemical ion exchange water treatment |
| CN104291484A (en) * | 2014-09-30 | 2015-01-21 | 杭州安耐杰科技有限公司 | High-efficiency environment-friendly desalted water production method |
| CN204803044U (en) * | 2015-07-07 | 2015-11-25 | 杭州安耐杰科技有限公司 | Effluent treatment plant of ion exchange system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748357A (en) * | 2017-11-03 | 2019-05-14 | 山东电力高等专科学校 | A kind of antipollution ion exchange water treatment actual training device |
| CN110357208A (en) * | 2019-06-13 | 2019-10-22 | 中国核电工程有限公司 | A kind of operation of primary ion demineralization plant and method for controlling reproduction |
| CN111036312A (en) * | 2020-01-04 | 2020-04-21 | 西安热工研究院有限公司 | Ion exchange resin regeneration monitoring control system and method |
| CN111036312B (en) * | 2020-01-04 | 2024-01-30 | 西安热工研究院有限公司 | Ion exchange resin regeneration monitoring control system and method |
| CN111333149A (en) * | 2020-03-18 | 2020-06-26 | 西安热工研究院有限公司 | System for sharing and regenerating acid and alkali for condensate polishing and boiler feed water treatment |
| CN112588328A (en) * | 2020-11-20 | 2021-04-02 | 国家能源集团乐东发电有限公司 | Method for controlling regeneration dosage and concentration of ion exchange resin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104986825A (en) | Wastewater treatment process for ion exchange system | |
| CN204911543U (en) | Hydrogen cation exchange resin's for conductivity measurement regenerating unit | |
| CN104003478A (en) | Extracorporeal upflow regeneration process for ion exchange resin | |
| CN204803044U (en) | Effluent treatment plant of ion exchange system | |
| CN204485595U (en) | Sour water tank exhaust treatment system | |
| CN202016903U (en) | Softened water treatment device for high-pressure steam injection boiler | |
| CN204456270U (en) | A kind of workshop pure water water system | |
| CN202785855U (en) | Constant-pressure exhaust water quality stabilizing integral machine | |
| CN210394054U (en) | Movable purification treatment equipment for cooling water | |
| CN104003477B (en) | External regeneration counter-current ion exchange system and using method thereof | |
| CN104528877B (en) | Water-cooling circulating system | |
| CN204211583U (en) | A kind of ultrapure water production system | |
| CN110776165A (en) | Method and system for water replenishing treatment of heat supply network | |
| CN100506711C (en) | Double-tower type two-stage desalting device | |
| CN103223355A (en) | Top-pressure-free countercurrent regeneration cation exchanger | |
| CN201002988Y (en) | Double-tower type two-stage demineralizing equipment | |
| CN203781879U (en) | Separation membrane recovery reverse osmosis concentrated water equipment | |
| CN204625258U (en) | A kind ofly parallel-series can to switch and use and utilize the Di of regenerator | |
| CN208151028U (en) | A kind of unpowered reverse osmosis concentrated water recycling and reusing system | |
| CN204310845U (en) | A kind of multistage synchronous mixed bed | |
| CN209507709U (en) | A kind of accurate control pH value fluorine removal complexes system | |
| CN205528200U (en) | Novel system pure water reverse osmosis system | |
| CN204607628U (en) | A kind of vacuum degassing machine | |
| CN215975081U (en) | Full-automatic water softener | |
| CN217868218U (en) | Joint control device for improving periodic water production of primary desalting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: USB era Center No. 80 Hangzhou 310000 Zhejiang province Xihu District Pingshui Street No. 1 building 17 layer Applicant after: Zhejiang annaijie Polytron Technologies Inc Address before: USB era Center No. 80 Hangzhou 310000 Zhejiang province Xihu District Pingshui Street No. 1 building 17 layer Applicant before: HANGZHOU ENERGY TECHNOLOGY CO., LTD. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151021 |