CN103011452A - High efficiency ion exchange electroplating wastewater reuse treatment system - Google Patents
High efficiency ion exchange electroplating wastewater reuse treatment system Download PDFInfo
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- CN103011452A CN103011452A CN2012105218615A CN201210521861A CN103011452A CN 103011452 A CN103011452 A CN 103011452A CN 2012105218615 A CN2012105218615 A CN 2012105218615A CN 201210521861 A CN201210521861 A CN 201210521861A CN 103011452 A CN103011452 A CN 103011452A
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Abstract
The invention discloses a high efficiency ion exchange electroplating wastewater reuse treatment system, which comprises a comprehensive wastewater adjustment pool, a quartz sand filter, a bag filter, an ultrafilter, an ultrafiltration water production tank, an activated carbon filter, a first fine filter, a cation exchanger group, an anion exchange group, a second fine filter, a reuse water pool and a constant pressure reuse water pump. The cation exchanger group is in connection with a cation exchange regeneration system, and the anion exchange group is in connection with an anion exchange regeneration system. The wastewater reuse treatment system disclosed in the invention has the advantages that: the wastewater reuse rate is high; it can operate for 24g ceaselessly; the system combines three anion exchangers and three cation exchangers and adopts a use mode of two for use and one for standby use so as to make each barrel resin exchanged thoroughly, thus achieving energy saving and high efficiency use; and the discharged water has stable quality, and the mode of two for use and one for standby use employs a tandem operation way to achieve the characteristics of stable treated water quality and good water quality, etc. The invention completely solves the problems of low reuse rate of comprehensive wastewater, discontinuous operation, and poor reuse water quality.
Description
Technical field
The invention belongs to comprehensive wastewater reuse treatment process technical field, relate to specifically a kind of high-effect ionic exchange electroplating waste-water reutilizing treatment system.
Background technology
In the prior art because comprehensive wastewater comprises chromate waste water, acidic and alkaline waste water, heavy metal wastewater thereby and pre-treatment etc., the water quality more complicated, the reuse difficulty of getting up is larger.Tradition comprehensive wastewater reuse treatment process adopts method or the chemical precipitation+middle water reuse of ion-exchange, adopt chemical precipitation+middle water recovering process, need first in waste water, to add a large amount of medicaments and remove every pollutent, cause like this increase of waste water recycling difficulty, reclamation rate to be difficult to improve, and reuse water quality is relatively poor; And employing conventional ion exchange treatment process is monoyin and monoyang or two cloudy two sun, in order to guarantee reuse water quality, must just need before saturated there be regeneration at resin, technique can not continuous and steady operation so on the one hand, resin do not regenerate by fully unsaturated just the needs on the other hand, greatly shorten the regeneration period, increased virtually the water resources that the regeneration expense is wasted with needing to clean resin.Conventional ion exchange regenerating unit adopts 1 or 2 regeneration water tanks, after entering regeneration by acid or alkali first, water cleans, so just cause regeneration washing water can not be cycled to repeat utilization, not only cause the waste of soda acid, the waste of regeneration washing, produced simultaneously a large amount of rinse water need to be processed the processing pressure that increases virtually chemical precipitation.
Summary of the invention
The deficiency that the present invention exists in order to overcome prior art, the high-effect ionic exchange electroplating waste-water reutilizing treatment system that provide a kind of comprehensive wastewater reclamation rate height, can move continuously, reuse water quality is good.
The present invention is achieved by the following technical solutions: a kind of high-effect ionic exchange electroplating waste-water reutilizing treatment system, and it comprises comprehensive wastewater equalizing tank, quartz filter, deep bed filter, ultra-fine filter, ultrafiltration product water tank, activated charcoal filter, the first secondary filter, cation exchanger group, anion exchanger group, the second secondary filter, reuse pool and the constant voltage reuse water pump that is communicated with successively by pipeline; The cation exchanger group is connected with a cationic exchange regeneration system rapidly, and the anion exchanger group is connected with an anionresin regeneration system rapidly.
The cation exchanger group comprises the first cation exchanger, the second cation exchanger and the three cation interchanger that connects successively by pipeline.
The anion exchanger group comprises the first anion exchanger, the second anion exchanger and the trianion interchanger that connects successively by pipeline.
The cationic exchange regeneration system rapidly is comprised of the acid regeneration water tank group that connects successively by pipeline, positively charged ion reprocessing cycle pump, complex acid groove and the first circulation groove, and acid regeneration water tank group is comprised of 2～8 acid regeneration water tanks.
The anionresin regeneration system rapidly by the alkali that connects successively by pipeline regeneration water tank group, anion regeneration recycle pump, join the alkali groove and the second circulation groove forms, alkali regeneration water tank group is comprised of 2～8 alkali regeneration water tanks.
Between comprehensive wastewater equalizing tank and quartz filter, be connected with the first lift pump by pipeline, produce between water tank and the activated charcoal filter in ultrafiltration and be connected with the second lift pump by pipeline.
Operation: waste water enters behind the collecting tank first through mechanical filter and removes suspended substance in the water and organism as pre-treatment, enter ultrafiltration through pretreated water outlet and produce water tank, be transported in the cation exchanger by lift pump, cation exchanger adopts dual-purpose one standby mode to move, can thoroughly remove the positively charged ion in the water, guarantee simultaneously first cation exchanger can adsorb fully the exchange saturated, improve the utilization ratio of resin, the cationic exchange water outlet enters anion exchanger, anion exchanger also adopts dual-purpose one standby mode to move, can thoroughly remove the positively charged ion in the water, it is saturated to guarantee that simultaneously first anion exchanger can adsorb exchange fully, improves the utilization ratio of resin, removes in the water behind the zwitterion through cation and anion exchange, produce water and reach the pure water water quality standard, enter the reuse of reuse water tank.
Regeneration: the ion-exchange cyclic regeneration device that the present invention adopts adopts 2～8 regeneration washing water tanks, after regenerating by acid or alkali first, the generation regenerated liquid enters complex acid or joins the alkali groove and collect first, for for the second time, with clear water resin is cleaned again, often because the first rinse water contains a large amount of acid or alkali, so the first rinse water that produces enters first regeneration water tank and collects, for for the second time, regeneration washing uses for the third time, after acid or alkali content reach finite concentration, enter complex acid or join the alkali groove and replenish again the use of regenerating of part acid or alkali, clean the second rinse water of resin with clear water, because the content of acid or alkali is lower, enter in second regeneration water tank, for for the second time, clean for the third time and use, after the first rinse water enters complex acid or joins the alkali groove, then add in first regeneration water tank, use as the first clear water, the 3rd road that same the 3rd and the 4th regeneration water tank etc. produce or the 4th road rinse water are cleaned according to same method and are used, the cleaning water use efficiency is improved greatly, not only saved medicament expense and also saved water resources.
The invention has the beneficial effects as follows: high-effect ionic exchange electroplating waste-water reutilizing treatment system of the present invention has following advantage: a, wastewater recycle rate is high; B, can run without interruption in continuous 24 hours; The using method that c, three YIN and three YANG combination dual-purpose one is standby, thus can fully each staving resins exchange thoroughly be reached energy-conservation, efficient utilization; D, stable effluent quality, the dual-purpose one standby operation scheme of series connection that adopts can reach the characteristics such as water quality treatment is stable, water quality is good; Thereby d, adopt regenerated liquid to collect fall-back method regenerated liquid fully can be exchanged and reach energy-saving effect, the present invention thoroughly solved the comprehensive wastewater reclamation rate low, can not move continuously, problem that reuse water quality is relatively poor.
Description of drawings
Fig. 1 is the structural representation of high-effect ionic exchange electroplating waste-water reutilizing treatment system of the present invention;
Among the figure: 1-comprehensive wastewater equalizing tank; The 2-quartz filter; The 3-deep bed filter; The 4-ultra-fine filter; Water tank is produced in the 5-ultrafiltration; The 6-activated charcoal filter; 7-the first secondary filter; 8-the first cation exchanger; 9-the second cation exchanger; 10-three cation interchanger; 11-the first anion exchanger; 12-the second anion exchanger; 13-trianion interchanger; 14-complex acid groove; 15-the first circulation groove; 16-positively charged ion reprocessing cycle pump; 17-anion regeneration recycle pump; 18-joins the alkali groove; 19-the second circulation groove; 20-constant voltage reuse water pump; 21-the second secondary filter; The 22-reuse pool; 23-acid regeneration water tank; 24-alkali regeneration water tank.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
As shown in Figure 1, a kind of high-effect ionic exchange electroplating waste-water reutilizing treatment system, it comprises comprehensive wastewater equalizing tank 1, quartz filter 2, deep bed filter 3, ultra-fine filter 4, ultrafiltration product water tank 5, activated charcoal filter 6, the first secondary filter 7, cation exchanger group, anion exchanger group, the second secondary filter 21, reuse pool 22 and the constant voltage reuse water pump 20 that is communicated with successively by pipeline; The cation exchanger group is connected with a cationic exchange regeneration system rapidly, and the anion exchanger group is connected with an anionresin regeneration system rapidly.The cation exchanger group comprises the first cation exchanger 8, the second cation exchanger 9 and the three cation interchanger 10 that connects successively by pipeline.The anion exchanger group comprises the first anion exchanger 11, the second anion exchanger 12 and the trianion interchanger 13 that connects successively by pipeline.
The cationic exchange regeneration system rapidly is comprised of the acid regeneration water tank group that connects successively by pipeline, positively charged ion reprocessing cycle pump 16, complex acid groove 14 and the first circulation groove 15, and acid regeneration water tank group is comprised of 2～8 acid regeneration water tanks 23.The anionresin regeneration system rapidly by the alkali that connects successively by pipeline regeneration water tank group, anion regeneration recycle pump 17, join alkali groove 18 and the second circulation groove 19 forms, alkali regeneration water tank group is comprised of 2～8 alkali regeneration water tanks 24.Between comprehensive wastewater equalizing tank 1 and quartz filter 2, be connected with the first lift pump by pipeline, produce between water tank 5 and the activated charcoal filter 6 in ultrafiltration and be connected with the second lift pump by pipeline.
Operation: comprehensive wastewater enters comprehensive wastewater equalizing tank 1, be transported to the suspended substance that quartz filter 2 is removed in the water by lift pump, guarantee the ultrafiltration influent quality through deep bed filter 3 again, water outlet enters ultra-fine filter 4, by the organism in the ultra-fine filter 4 removal water, colloid, molecule produces water tank 5 by ultrafiltration and enters activated charcoal filter 6, remove organism in the water, guarantee the ion-exchange influent quality, again through the first secondary filter 7, enter the first cation exchanger 8 and the second cation exchanger 9(dual-purpose is standby), thoroughly remove in the water behind the positively charged ion through the cation exchanger group, water outlet enters the first anion exchanger 11 and the second anion exchanger 12, remove the negatively charged ion in the water, remove specific conductivity greater than the particulate matter of 5us through the second secondary filter 21 again, water outlet reaches pure water water quality, enters reuse pool 22, is transported to the use point by constant voltage reuse water pump 20 again.After the first cation exchanger 8 is thoroughly saturated, switch to the second cation exchanger 9 and 10 operations of three cation interchanger, then the first cation exchanger 8 carries out after the manipulation of regeneration for subsequent use.After the second cation exchanger 9 is thoroughly saturated, switch to three cation interchanger 10 and 8 operations of the first cation exchanger, the second cation exchanger 9 carries out after the manipulation of regeneration for subsequent use; Switch to the first cation exchanger 8 and 9 operations of the second cation exchanger after three cation interchanger 10 is thoroughly saturated, three cation interchanger 10 carries out after the manipulation of regeneration for subsequent use.The method of anion exchanger operation is identical with cation exchanger.
Regeneration: the first cation exchanger 8 regeneration:
A, effluent: after the first cation exchanger 8 is thoroughly saturated, carry out first draining, the waste water in first cation exchanger 8 of draining; B, complex acid: the acid of configuration 5%～10%; C, regeneration: the acid that will prepare is transported in the first cation exchanger 8 through positively charged ion reprocessing cycle pump 16 carries out cyclic regeneration, the first anti-30min that circulates, again behind the normal circulation 30min, soak 2h～4h, again after the recirculation regeneration, the regenerating cation exchanger liquid of draining enters in the complex acid groove 14, and is stand-by; D, cleaning: use first tap water is injected first acid regeneration water tank 23, carry out wash cycles by 16 pairs of the first cation exchangers 8 of positively charged ion reprocessing cycle pump, first anti-circulation 30min, carry out normal circulation 30min again after, enter in first acid regeneration water tank 23, stand-by.Water is injected second acid regeneration water tank 23 carries out wash cycles by 16 pairs of the first cation exchangers 8 of positively charged ion reprocessing cycle pump, first anti-circulation 30min, carry out normal circulation 30min again after, enter in second acid regeneration water tank 23, stand-by.The operation of the 3rd～8 acid regeneration water tank 23 is identical with first acid regeneration water tank 23, is 4.5～5.5 o'clock until wash the water outlet pH of the first cation exchanger 8, cleans complete, for subsequent use.
After the second cation exchanger 9 is thoroughly saturated, regenerate:
A, effluent: after the second cation exchanger 9 is thoroughly saturated, carry out first draining, the waste water of second cation exchanger 9 of draining.B, complex acid: configuration 5%～10% acid, a certain amount of acid of adding in the complex acid groove 14 makes the concentration of stand-by regenerated liquid acid reach 5%～10%, until regenerated liquid can't cycling and reutilization, the regenerated liquid of then draining is again from new configuration regenerated liquid.C, regeneration: the acid that will prepare is transported in the second cation exchanger 9 through positively charged ion reprocessing cycle pump 16 carries out cyclic regeneration, the anti-circulation 30min of elder generation, after carrying out normal circulation 30min again, soak 2h～4h, again after the recirculation regeneration, the regenerating cation exchanger liquid of draining enters in the complex acid groove 14, and is stand-by.
D, cleaning: by positively charged ion reprocessing cycle pump 16 with the rinse water in first acid regeneration water tank 23, be transported in the second cation exchanger 9, the second cation exchanger 9 is carried out wash cycles, 10～30min instead circulates first, after carrying out normal circulation 10～30min again, enter in first acid regeneration water tank 23, stand-by, regenerated liquid is unrenewable and after draining in complex acid groove 14, then the rinse water in first acid regeneration water tank 23 is transported in the complex acid groove 14, uses as acid regeneration liquid after acid makes it reach the regenerated liquid acid concentration by adding.By positively charged ion reprocessing cycle pump 16, the rinse water of second acid regeneration water tank 23 is transported in the second cation exchanger 9, the second cation exchanger 9 is carried out wash cycles, 10～30min instead circulates first, after carrying out normal circulation 10～30min again, enter in second acid regeneration water tank 23, stand-by, after the rinse water in first acid regeneration water tank 23 is transported to complex acid groove 14, then the rinse water in second acid regeneration water tank 23 is transported in first acid regeneration water tank 23, carries out wash cycles again and uses.The operation of the 3rd～8 acid regeneration water tank 23 is identical with second acid regeneration water tank 23, after the rinse water in the 8th the acid regeneration water tank 23 is transported in the 7th the acid regeneration water tank 23, the rinse water of the 8th acid regeneration water tank 23 is by the tap water supply, it is 4.5～5.5 o'clock until wash the water outlet pH of the second cation exchanger 9, clean complete, for subsequent use.
The anionresin cyclic regeneration is the same with the method for cationic exchange cyclic regeneration, unique different be that when anion regeneration cleaned, the pH value that cleans water outlet was about 8.5, cleans complete.
Should be noted that at last; above content is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; the simple modification that those of ordinary skill in the art carries out technical scheme of the present invention or be equal to replacement does not all break away from essence and the scope of technical solution of the present invention.
Claims (6)
1. a high-effect ionic exchanges the electroplating waste-water reutilizing treatment system, it is characterized in that: described high-effect ionic exchange electroplating waste-water reutilizing treatment system comprises comprehensive wastewater equalizing tank, quartz filter, deep bed filter, ultra-fine filter, ultrafiltration product water tank, activated charcoal filter, the first secondary filter, cation exchanger group, anion exchanger group, the second secondary filter, reuse pool and the constant voltage reuse water pump that is communicated with successively by pipeline; Described cation exchanger group is connected with a cationic exchange regeneration system rapidly, and described anion exchanger group is connected with an anionresin regeneration system rapidly.
2. a kind of high-effect ionic according to claim 1 exchanges the electroplating waste-water reutilizing treatment system, and it is characterized in that: described cation exchanger group comprises the first cation exchanger, the second cation exchanger and the three cation interchanger that connects successively by pipeline.
3. a kind of high-effect ionic according to claim 1 exchanges the electroplating waste-water reutilizing treatment system, and it is characterized in that: described anion exchanger group comprises the first anion exchanger, the second anion exchanger and the trianion interchanger that connects successively by pipeline.
4. a kind of high-effect ionic according to claim 1 exchanges the electroplating waste-water reutilizing treatment system, it is characterized in that: described cationic exchange regeneration system rapidly is comprised of the acid regeneration water tank group that connects successively by pipeline, positively charged ion reprocessing cycle pump, complex acid groove and the first circulation groove, and described acid regeneration water tank group is comprised of 2～8 acid regeneration water tanks.
5. a kind of high-effect ionic according to claim 1 exchanges the electroplating waste-water reutilizing treatment system, it is characterized in that: described anionresin regeneration system rapidly by the alkali that connects successively by pipeline regeneration water tank group, anion regeneration recycle pump, join the alkali groove and the second circulation groove forms, described alkali regeneration water tank group is comprised of 2～8 alkali regeneration water tanks.
6. the described a kind of high-effect ionic exchange electroplating waste-water reutilizing treatment system of each claim in 5 according to claim 1, it is characterized in that: between described comprehensive wastewater equalizing tank and described quartz filter, be connected with the first lift pump by pipeline, produce between water tank and the described activated charcoal filter in described ultrafiltration and be connected with the second lift pump by pipeline.
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| CN103833167A (en) * | 2014-03-13 | 2014-06-04 | 黄运富 | Chromic acid wastewater treatment method and system |
| CN103936203A (en) * | 2014-05-06 | 2014-07-23 | 厦门溢盛环保科技有限公司 | Electronickelling rinsing wastewater recovery treatment device and method of tank side |
| CN103951108A (en) * | 2014-04-25 | 2014-07-30 | 深圳市天净环境科技发展有限公司 | Process method for treating electroplating comprehensive wastewater |
| CN105110512A (en) * | 2015-09-21 | 2015-12-02 | 苏州净华水处理设备有限公司 | Electroplating nickel-containing wastewater treatment and reuse process |
| CN106800352A (en) * | 2017-03-27 | 2017-06-06 | 福建欣宇卫浴科技股份有限公司 | System for processing chrome-containing wastewater |
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| CN106800352A (en) * | 2017-03-27 | 2017-06-06 | 福建欣宇卫浴科技股份有限公司 | System for processing chrome-containing wastewater |
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