CN107055878A - Waste water recycling process and device - Google Patents

Waste water recycling process and device Download PDF

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Publication number
CN107055878A
CN107055878A CN201710409009.1A CN201710409009A CN107055878A CN 107055878 A CN107055878 A CN 107055878A CN 201710409009 A CN201710409009 A CN 201710409009A CN 107055878 A CN107055878 A CN 107055878A
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CN
China
Prior art keywords
waste water
cmf
pond
concentration
recycling process
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
Application number
CN201710409009.1A
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Chinese (zh)
Inventor
王子东
冷雁昆
陈�光
邵梦婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Chu Chu Environmental Protection Technology Co Ltd
Original Assignee
Shanghai Chu Chu Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Chu Chu Environmental Protection Technology Co Ltd filed Critical Shanghai Chu Chu Environmental Protection Technology Co Ltd
Priority to CN201710409009.1A priority Critical patent/CN107055878A/en
Publication of CN107055878A publication Critical patent/CN107055878A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The present invention provides a kind of waste water recycling process and device, wherein, the waste water recycling process comprises the following steps:S1, by waste water feeding three integrate concentration basins in;S2, the waste water of outflow, which enter, carries out first time filtration treatment in CMF film processing systems;The waste water collected in S3, the CMF production pond flows successively through active carbon filter and cartridge filter carries out the second filtration treatment;After S4, the waste water after second of filtration treatment enter reverse osmosis unit processing, flow into counter-infiltration and produce in pond.The waste water recycling process and device of the present invention possesses following advantage:(1) floor space is small, and construction investment is small, without highly dense pond+V-type filter tank+intermediate pool;(2) multimedium and ultrafiltration, and corollary equipment, medicament and consumptive material, advantage of lower cost are cancelled;(3) Treatment for Reuse to lead-acid battery waste water has more specific aim;(4) use that CMF film processing system water outlets are more stable instead, operating cost is lower.

Description

Waste water recycling process and device
Technical field
The present invention relates to the technical field of lead-acid battery wastewater treatment, more particularly to a kind of giving up for lead-acid battery waste water Water recovering process and device.
Background technology
Lead-acid battery (VRLA), is made of that a kind of electrode is main by lead and its oxide, electrolyte is the storage of sulfuric acid solution Battery.Lead-acid battery has relatively broad application field, but waste water can be produced in its production process.
At present, for the processing of lead-acid battery waste water, water removal is mainly gone by highly dense pond+V-type filter tank combination precipitation filtering In suspended particulate substance, then further remove colloid and suspension into more medium filter through water pump lifting, then by activity Carbon filter removes chlorine residue, oxide and the organic matter in water, reduces the COD value and chlorine content of water inlet, it is to avoid RO films are contaminated. Meanwhile, also adsorb from prime and leak the pollutants such as the small organic molecule that comes, further SDI values of reduction water and turbid Degree.Again recycle water standard is reached via ultrafiltration+reverse-osmosis treated.
However, in the technique of above-mentioned wastewater treatment and renovation, having the disadvantage that:
(1) floor space is big, it is necessary to which substantial amounts of supporting dosing, backwash, air purge, cleaning equipment, construction investment are huge.
(2) easily often generation is dirty stifled for the inclined tube of sedimentation basin, milipore filter, meanwhile, V-type filter tank, the filler of multimedium needs Periodic replacement.
(3) milipore filter requires influent quality high, it is necessary to supporting pre-processing device, and supporting dosing cleaning equipment.
(4) there is no specific aim to lead-acid battery waste water, can not effectively remove the heavy metal ion such as lead in waste water.
(5) system complex, artificial operation and administration fee are high.
In view of this, in view of the above-mentioned problems, being necessary to propose further solution.
The content of the invention
It is an object of the invention to provide a kind of waste water recycling process and device, to overcome present in prior art not Foot.
For achieving the above object, the present invention provides a kind of waste water recycling process, and it is used for lead-acid accumulator waste water Treatment for Reuse, the waste water recycling process comprises the following steps:
S1, waste water feeding three integrated in concentration basins, waste water is blended successively, pH regulations, after concentration from described three Comprehensive concentration basin outflow;
S2, the waste water of outflow enter in CMF film processing systems after progress first time filtration treatment, first time filtration treatment Waste water flow into CMF production pond in, while concentrate recirculation to described three integrate concentration basins in;
The waste water collected in S3, the CMF production pond flows successively through active carbon filter and cartridge filter carries out second Filtration treatment;
After S4, the waste water after second of filtration treatment enter reverse osmosis unit processing, flow into counter-infiltration and produce in pond.
As the improvement of the waste water recycling process of the present invention, in the step S1, during mixed processing, also to described three Heavy metal chelating agent is added in the comprehensive concentration basin of connection.
As the improvement of the waste water recycling process of the present invention, in the step S1, in pH regulation processing procedures, also to described Three integrate dosing coagulant in concentration basin.
As the improvement of the waste water recycling process of the present invention, in the step S1, during concentration, also to described three Activated carbon is added in the comprehensive concentration basin of connection.
As the improvement of the waste water recycling process of the present invention, in the CMF film processing systems, the aperture footpath of filter bores is 0.05-0.1μm。
For achieving the above object, the present invention provides a kind of wastewater recycling device, and it is used for lead-acid accumulator waste water Treatment for Reuse, the wastewater recycling device includes what is set gradually:
Three integrate concentration basin, and it includes the mixed reaction pond, pH regulating reservoirs, concentrating and precipitating pond set gradually;
CMF systems, it includes the CMF film processing systems set gradually and CMF productions pond;
Active carbon filter and cartridge filter;
Reverse osmosis unit and counter-infiltration produce pond.
As the improvement of the wastewater recycling device of the present invention, the upstream of the three synthesis concentration basin is additionally provided with waste water receipts Ji Chi.
As the improvement of the wastewater recycling device of the present invention, the hole of the filter bores of filter membrane in the CMF film processing systems Footpath footpath is 0.05-0.1 μm.
As the improvement of the wastewater recycling device of the present invention, the CMF systems pass through pipeline and concentrating and precipitating pond phase CMF circulating pumps are provided with connection, the pipeline.
With prior art mutually this, the beneficial effects of the invention are as follows:The waste water recycling process and device of the present invention possesses as follows Advantage:(1) floor space is small, and construction investment is small, without highly dense pond+V-type filter tank+intermediate pool;(2) multimedium is cancelled and super Filter, and corollary equipment, medicament and consumptive material, advantage of lower cost;(3) Treatment for Reuse of lead-acid battery waste water is had more and be directed to Property;(4) use that CMF film processing system water outlets are more stable instead, operating cost is lower.
Brief description of the drawings
Fig. 1 is the process flow diagram of the embodiment of waste water recycling process one of the present invention;
Fig. 2 is the floor map of the embodiment of wastewater recycling device one of the present invention.
Embodiment
The present invention is described in detail for shown each embodiment below in conjunction with the accompanying drawings, but it should explanation, these Embodiment not limitation of the present invention, those of ordinary skill in the art according to these embodiment institute work energy, method, Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
As shown in figure 1, the waste water recycling process of the present invention is used for the Treatment for Reuse of lead-acid accumulator waste water, it includes as follows Step:
S1, waste water feeding three integrated in concentration basins, waste water is blended successively, pH regulations, after concentration from described three Comprehensive concentration basin outflow.
Wherein, the characteristics of wastewater flow rate that lead-acid battery produces is little is can adapt to using three synthesis concentration basins, and it is Complete set of equipments, has the advantages that transport and easy for installation.Meanwhile, waste water is mixed successively, pH is adjusted, concentration Mode, eliminate multimedium and ultrafiltration in existing handling process, and corollary equipment, medicament and consumptive material so that this Invention advantage of lower cost.
Specifically, the purpose of mixed processing is that carry out pH is adjusted for the first time in the three synthesis concentration basin, required for making The heavy metal lead ion of removal forms effective particulate matter.Meanwhile, in order that the chemical reaction of lead is more abundant, also to described three Heavy metal chelating agent is added in the comprehensive concentration basin of connection.In this way, lead can be made to form more stable particle shape, beneficial to back segment CMF membranous system filtration treatments.
The purpose that pH is adjusted in the three synthesis concentration basin is, to waste water progress pH accurate adjustments, to make required removal Heavy metal lead ion reacted in optimum chemical in the optimum PH range to form particle.Meanwhile, in pH regulation processing procedures, Also dosing coagulant in concentration basin is integrated to described three.In this way, making the small colloidal solid in waste water and the heavy metal of formation Particle becomes much larger, beneficial to the separation of solid and liquid of back segment CMF membranous systems.
The purpose concentrated in the three synthesis concentration basin is to receive the waste water by mixing, pH regulations.Meanwhile, concentration In processing procedure, also activated carbon is added into described three synthesis concentration basins.In this way, reducing COD with absorbed portion organic matter, together When in system operation, the particulate matter of carbon can play the dirt and sludge for cleaning film inner surface, reach the permeant flux for maintaining film Purpose.
S2, the waste water of outflow enter in CMF film processing systems after progress first time filtration treatment, first time filtration treatment Waste water flow into CMF production pond in, while concentrate recirculation to described three integrate concentration basins in.
Wherein, the CMF film processing systems have CMF film processing system water outlets more stable, the lower advantage of operating cost. Specifically, in the CMF film processing systems, the aperture footpath of filter bores is 0.05-0.1 μm.The present invention is by setting the CMF films Processing system can efficiently remove the pollutant in waste water, while can realize makes the waste water containing mud granule enter CMF Film processing system carries out direct separation of solid and liquid.
Specifically, the activated carbon that the filtering production water of the acquisition after being handled through the CMF film processing systems enters back segment is filtered Device, meanwhile, the acquisition concentrate recirculation after being handled through the CMF film processing systems is concentrated again into three synthesis concentration basins Processing.
The waste water collected in S3, the CMF production pond flows successively through active carbon filter and cartridge filter carries out second Filtration treatment.
Wherein, most of colloids in water can remove by the active carbon filter, can be retained by cartridge filter It is more than 5 μm of mechanical admixture in water, to prevent large particulate matter from entering in the reverse osmosis unit of back segment.
After S4, the waste water after second of filtration treatment enter reverse osmosis unit processing, flow into counter-infiltration and produce in pond.
As shown in Fig. 2 based on waste water recycling process as described above, the present invention also provides a kind of wastewater recycling device, its Treatment for Reuse for lead-acid accumulator waste water.The wastewater recycling device includes what is set gradually:Three synthesis concentration basins 10, CMF systems 20, active carbon filter 30, cartridge filter 40, reverse osmosis unit 50 and counter-infiltration produce pond 60.
Specifically, the three synthesis concentration basin 10 includes the mixed reaction pond 11, pH regulating reservoirs 12, concentration set gradually Sedimentation basin 13.Because described three synthesis concentration basins 10 are complete set of equipments, so that so that the present invention has floor space small, soil Build small, the advantage without highly dense pond+V-type filter tank+intermediate pool of investment.
Therefore, waste water can be mixed by the mixed reaction pond 11, pH regulating reservoirs 12, concentrating and precipitating pond 13, pH Regulation, concentration.Meanwhile, also it is additionally provided with heavy metal to realize in adding for treatment agent, the mixed reaction pond 11 Agent for capturing chemical feed pipe;Coagulant chemical feed pipe is additionally provided with the pH regulating reservoirs 12;It is additionally provided with the concentrating and precipitating pond 13 Activated carbon chemical feed pipe.
The mixed reaction pond 11, pH regulating reservoirs 12, the processing procedure in concentrating and precipitating pond 13 are as described above, no longer weigh herein It is multiple to introduce.In addition, the upstream of the three synthesis concentration basin 10 is additionally provided with wastewater collection pond 70.When carrying out wastewater treatment, give up 70 waste water is promoted to described three by elevator pump and integrated in concentration basin 10 in water collecting pit.
CMF systems 20 include the CMF film processing systems 21 set gradually and CMF productions pond 22.Wherein, at the CMF films 21 pairs of processes of reason system described three integrate the waste water progress separation of solid and liquid processing that concentration basin 10 is handled, and the production water after filtering enters Is produced from pond 22 to the CMF, the concentrated water after filtering is then back in the concentrating and precipitating pond 13 for stating three synthesis concentration basins 10 Concentration is carried out again.For the backflow of the concentrated water, the CMF systems 20 are connected by pipeline with the concentrating and precipitating pond Connect, CMF circulating pumps are provided with the pipeline.So as to which the backflow waste water is back to described by the CMF circulating pumps In concentrating and precipitating pond.Preferably, the aperture footpath of the filter bores of filter membrane is 0.05-0.1 μm in the CMF film processing systems 21.
In summary, waste water recycling process of the invention and device possess following advantage:(1) floor space is small, and civil engineering is thrown Money is small, without highly dense pond+V-type filter tank+intermediate pool;(2) multimedium and ultrafiltration, and corollary equipment, medicament and consumption are cancelled Material, advantage of lower cost;(3) Treatment for Reuse to lead-acid battery waste water has more specific aim;(4) CMF film processing systems are used instead to go out Water is more stable, and operating cost is lower.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (9)

1. a kind of waste water recycling process, it is used for the Treatment for Reuse of lead-acid accumulator waste water, it is characterised in that the waste water recycling Technique comprises the following steps:
S1, by waste water feeding three integrate concentration basins in, waste water is blended successively, pH regulation, concentration after from described three integrate Concentration basin flows out;
S2, the waste water of outflow enter useless after progress first time filtration treatment, first time filtration treatment in CMF film processing systems Water is flowed into CMF productions pond, while concentrate recirculation is into described three synthesis concentration basins;
The waste water collected in S3, the CMF production pond flows successively through active carbon filter and cartridge filter carries out second and filtered Processing;
After S4, the waste water after second of filtration treatment enter reverse osmosis unit processing, flow into counter-infiltration and produce in pond.
2. waste water recycling process according to claim 1, it is characterised in that in the step S1, during mixed processing, Also heavy metal chelating agent is added into described three synthesis concentration basins.
3. waste water recycling process according to claim 1, it is characterised in that in the step S1, pH regulation processing procedures In, also integrate dosing coagulant in concentration basin to described three.
4. waste water recycling process according to claim 1, it is characterised in that in the step S1, during concentration, Also activated carbon is added into described three synthesis concentration basins.
5. waste water recycling process according to claim 1, it is characterised in that in the CMF film processing systems, filter bores Aperture footpath is 0.05-0.1 μm.
6. a kind of wastewater recycling device, it is used for the Treatment for Reuse of lead-acid accumulator waste water, it is characterised in that the waste water recycling Device includes what is set gradually:
Three integrate concentration basin, and it includes the mixed reaction pond, pH regulating reservoirs, concentrating and precipitating pond set gradually;
CMF systems, it includes the CMF film processing systems set gradually and CMF productions pond;
Active carbon filter and cartridge filter;
Reverse osmosis unit and counter-infiltration produce pond.
7. wastewater recycling device according to claim 6, it is characterised in that the upstream of the three synthesis concentration basin is also set It is equipped with wastewater collection pond.
8. wastewater recycling device according to claim 6, it is characterised in that filter membrane in the CMF film processing systems The aperture footpath of filter bores is 0.05-0.1 μm.
9. wastewater recycling device according to claim 6, it is characterised in that the CMF systems by pipeline with it is described dense Contracting sedimentation basin is connected, and CMF circulating pumps are provided with the pipeline.
CN201710409009.1A 2017-06-02 2017-06-02 Waste water recycling process and device Pending CN107055878A (en)

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CN201710409009.1A CN107055878A (en) 2017-06-02 2017-06-02 Waste water recycling process and device

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Application Number Priority Date Filing Date Title
CN201710409009.1A CN107055878A (en) 2017-06-02 2017-06-02 Waste water recycling process and device

Publications (1)

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CN107055878A true CN107055878A (en) 2017-08-18

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CN201710409009.1A Pending CN107055878A (en) 2017-06-02 2017-06-02 Waste water recycling process and device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110510772A (en) * 2019-08-27 2019-11-29 中国城市建设研究院有限公司 A kind of processing unit and method of flue gas of refuse burning wet processing waste water
CN112723616A (en) * 2020-12-14 2021-04-30 九江德福科技股份有限公司 Wastewater recycling method

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WO2012089102A1 (en) * 2010-12-30 2012-07-05 波鹰(厦门)科技有限公司 Recycling apparatus for waste water from printing and dyeing processes based on electrolysis in combination with membrane technology, and method therefor
CN103466844A (en) * 2013-10-08 2013-12-25 宜兴市欧瑞特环保科技有限公司 Process and device for processing and recycling leaded wastewater

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110510772A (en) * 2019-08-27 2019-11-29 中国城市建设研究院有限公司 A kind of processing unit and method of flue gas of refuse burning wet processing waste water
CN112723616A (en) * 2020-12-14 2021-04-30 九江德福科技股份有限公司 Wastewater recycling method

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Application publication date: 20170818

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