CN109970158A - A kind of electrochemistry sewage disposal system - Google Patents

A kind of electrochemistry sewage disposal system Download PDF

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Publication number
CN109970158A
CN109970158A CN201910273927.5A CN201910273927A CN109970158A CN 109970158 A CN109970158 A CN 109970158A CN 201910273927 A CN201910273927 A CN 201910273927A CN 109970158 A CN109970158 A CN 109970158A
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CN
China
Prior art keywords
electric flocculation
reaction tank
sewage
flocculation reaction
disposal system
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Application number
CN201910273927.5A
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Chinese (zh)
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CN109970158B (en
Inventor
张平娟
庞莹莹
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Guangdong Yuanyuan Ecological Environmental Protection Engineering Co.,Ltd.
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Beijing Yi Zhi Lian Technology Co Ltd
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Priority to CN201910273927.5A priority Critical patent/CN109970158B/en
Priority to CN201911330070.2A priority patent/CN110921794A/en
Publication of CN109970158A publication Critical patent/CN109970158A/en
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    • 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
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation

Abstract

A kind of electrochemistry sewage disposal system, it is precipitated using the hydroxide that electric flocculation reaction generates metal ion, with the colloidal substance and pollutant in its coherency aggregation water, it can remove heavy metal cation in water removal, the microorganism in water can be also killed, the precipitable charged colloidal particle shape substance of the process simultaneously can significantly remove other ions, colloid, milk;The structure setting for wherein passing through electric flocculation reaction tank can be realized sewage whole purification in electric flocculation reaction channel, while avoid influence of the wadding body discharge for clean-up effect altogether in electric flocculation reaction tank.Electrochemistry sewage disposal system of the invention can be used in sanitary sewage, the processing of trade effluent or municipal wastewater.

Description

A kind of electrochemistry sewage disposal system
Technical field
The present invention relates to a kind of sewage disposal systems, more particularly, to a kind of electrochemistry sewage disposal system.
Background technique
Water is Source of life, is base substance for the survival of mankind, and stream is covered by water in some areas on the earth, however people The freshwater resources that class really is able to utilize are considerably less.As the rapid development of social economy causes the surge of water requirement, in addition The waste of water and the pollution of water resource, the lag and non-point source pollution control of sewage treatment facility are not capable enough, make global fresh water Resource is faced with two large problems: water Environment pollution and shortage of water resources.This is in some countries and regions, especially developing country And area, aggravation simultaneously have the tendency that aggravation.
Relative to shortage of water resources, even more urgent is water resource pollution problem.Clean water source is human survival and society One of the fundamental of meeting sustainable development, due to mankind's activity and industrial development, the discharge amount of waste water is sharply increased, Natural water resource is on the rise by the problem of all kinds of organic pollutions.The especially row such as chemistry, pesticide, dyestuff, medicine, food The waste water of industry discharge, concentration is high, coloration is big, strong toxicity, complicated component, the ingredient containing a large amount of bio-refractories, to the whole world Bring serious water pollution.Then people just become critically important to the treatment and purification of sewage and reuse, if can solve very well Certainly water resource pollution problem, then will largely alleviate shortage of water resources.
In sewage treatment, electrochemistry flocculence is also referred to as electric flocculation method, that is, utilizes soluble electrode (generally iron electrode Or aluminium electrode) as anode, it is dissolved in sewage under the action of electric current, generates the hydroxide precipitating of metal ion, use Its coherency assembles the colloidal substance and pollutant in water, to reach purpose of purifying the water quality.Electric flocculation technique relates to water The oxidation and reduction reaction of pollutant and strong electrical field reacted and electrochemistry generates, this process can remove heavy metal sun in water Ion, can also kill the microorganism in water, and the precipitable charged colloidal particle shape substance of the process simultaneously can significantly remove other ions, glue Body, milk.Electric flocculation technique can effectively remove the pollutant in water to be practiced confirms, electric flocculation technique can not only be applied In various Industrial Wastewater Treatments, agricultural and focus on quality of life rural area, can be applicable to removal drinking water in pathogen, The pollutant of ejected wash water in heavy metal and food production.
Water outlet is usually set to only by electric flocculation reaction tank in the prior art in order to realize better clean-up effect Change the position close at the top of reaction tank or bottom terminated.However in electric flocculation water purification, altogether wadding body specific gravity hour, it can be glued Be attached on bubble, float up to the water surface, altogether wadding body than it is great when can then sink, therefore be set to top or bottom water outlet it is attached Close total wadding body concentration is larger, part can be total to wadding body when water outlet and reaction tank be discharged together, cause purification incomplete.In order to solve The above problem generallys use the reaction of multiple flow passages in the prior art as described in CN103910460A and CN105271615A Pond after handling sewage by multiple parallel runners, then is discharged, however multiple flow passages structure will lead to system structure and answer Miscellaneous, volume increases, while still there is the total wadding body for floating or sinking in the water outlet of top or bottom.
Summary of the invention
The present invention provides a kind of electrochemistry sewage disposal system, can be avoided in electric flocculation reaction tank wadding body discharge altogether for The influence of clean-up effect improves wastewater purifying efficiency, while structure is simple, not will lead to system bulk increase.
As one aspect of the present invention, a kind of electrochemistry sewage disposal system is provided, comprising: source of sewage pond is used In the sewage that receiving is handled;Conditioning tank is adjusted wastewater parameters according to the detected value of sewage;Electric flocculation Reaction tank is provided with negative pole part and anode portion, is flocculated by electrochemistry and carries out the dirty water decontamination handles;Inlet pipeline is used for Sewage is inputted to electric flocculation reaction tank;Outlet pipeline exports the purified water of electric flocculation reaction tank;The cathode position In electric flocculation reaction tank center, to close toroid cathode construction, height is lower than between reaction tank height, with reaction tank inner wall Form electric flocculation reaction channel;The inlet pipeline inputs sewage to the bottom end of the electric flocculation reaction channel;The anode portion Including multiple anodes being set between reaction tank inner wall and negative pole part;The outlet pipeline includes elevator pump and efferent duct, institute It states efferent duct to go deep near about 1/2 height inside the negative pole part, for the purified water in negative pole part is defeated by elevator pump Out.
Further, the sewage for inputting electric flocculation reaction tank is flowed up along electric flocculation reaction channel, then flows into yin Inside the portion of pole, the efferent duct nozzle along about 1/2 height inside negative pole part flows downward inside to negative pole part goes out, by elevator pump It is exported by efferent duct.
Further, it is further net to be input to subsequent advanced purification system progress for the purified water of the efferent duct output Change.
Further, the advanced purification system includes biofilter or MBR reactor.
Further, the electrochemistry sewage disposal system is used for sanitary sewage, the place of trade effluent or municipal wastewater Reason.
Further, mud mouth is set above the electric flocculation reaction tank side wall.
Further, the mud mouth includes multiple, is uniformly arranged on above electric flocculation reaction tank side wall.
Further, the height of the mud mouth is higher than the height of the negative pole part.
Further, cleaning shoe is set above the electric flocculation reaction tank, and the sludge for that will float is from the mud mouth Discharge.
Further, the cleaning shoe is when scraping mud along electric flocculation reaction tank radial outward movement.
Further, the cathode and anode use iron, aluminium or stainless steel as electrode material.
Further, pH value sensor is set in the conditioning tank, according to the sensing outcome of pH value sensor by institute Addition pH value adjustment reagent in conditioning tank is stated, the pH value of the sewage in conditioning tank is made to be in alkalescent.
Further, the alkalescent is pH value between 7 ~ 8.
Further, the pH value adjustment reagent includes sodium hydroxide.
As another aspect of the present invention, a kind of electrochemistry sewage disposal system is provided, comprising: source of sewage pond, It is used to accommodate the sewage handled;Conditioning tank is adjusted wastewater parameters according to the detected value of sewage;Electricity Flocculation tank is provided with negative pole part and anode portion, is flocculated by electrochemistry and carries out the dirty water decontamination handles;Inlet pipeline, For inputting sewage to electric flocculation reaction tank;Outlet pipeline exports the purified water of electric flocculation reaction tank;The cathode Portion is located at electric flocculation reaction tank center, including first and second, and described first is closing toroid, and height is lower than anti- Chi Gaodu is answered, forms electric flocculation reaction channel between reaction tank inner wall;The inlet pipeline is to the electric flocculation reaction channel Bottom end input sewage;The second position is reticular structure in first top;The anode portion includes multiple sets The anode being placed between reaction tank inner wall and negative pole part;The outlet pipeline includes elevator pump and efferent duct, and the efferent duct is deep Enter near about 1/2 height inside the negative pole part, for exporting the purified water in negative pole part by elevator pump.
Detailed description of the invention
Fig. 1 is the schematic diagram of electrochemistry sewage disposal system embodiment of the present invention.
Fig. 2 is the negative pole part schematic diagram of the electrochemistry sewage disposal system of the preferred embodiment of the present invention.
Specific embodiment
In order to illustrate more clearly of technical solution of the present invention, embodiment will be used simply to be situated between the present invention below Continue, it should be apparent that, be described below in be only one embodiment of the present of invention, for those of ordinary skill in the art come It says, without any creative labor, other technical solutions can also be obtained according to these embodiments, also belonged to Disclosure of the invention range.
The electrochemistry sewage disposal system of the embodiment of the present invention, referring to Fig. 1, including source of sewage pond 10, conditioning tank 20, electricity Flocculation tank 30, inlet pipeline 40 and outlet pipeline 50.Source of sewage pond 10 is used to accommodate the sewage handled, Sewage to be treated can come from sanitary sewage, trade effluent or municipal wastewater.Conditioning tank 20, according to the detection of sewage Value, is adjusted wastewater parameters, and sewage to be processed is made to be in the suitable condition of electric flocculation reaction;For example, in conditioning tank 20 PH value sensor can be set, for detecting the pH value of sewage, according to the sensing outcome of pH value sensor by conditioning tank 20 Middle addition pH value adjustment reagent such as sodium hydroxide is in the pH value of the sewage in conditioning tank between 7 ~ 8, so as to reach Better clean-up effect.
Electric flocculation reaction tank 30 is provided with negative pole part 31 and anode portion 32, is flocculated by electrochemistry and carries out sewage purification Processing.Negative pole part 31 is located at 30 center of electric flocculation reaction tank, and to close toroid cathode construction, height is high lower than reaction tank 30 Degree forms electric flocculation reaction channel 33 between 30 inner wall of reaction tank.Anode portion 32 is set to 30 inner wall of reaction tank including multiple With the anode between negative pole part 32.Cathode and anode can be using iron, aluminium or stainless steels as electrode material.Electric flocculation reaction Mud mouth 34 is set above pond side wall 30, and height is higher than the height of negative pole part 31, and mud mouth 34 can be set multiple, uniformly sets It is placed in 30 top side wall of electric flocculation reaction tank.Corresponding cleaning shoe can be set above electric flocculation reaction tank 30, and cleaning shoe can With by motor control, when scraping mud along 30 radial outward movement of electric flocculation reaction tank, sludge for that will float is from mud extraction Mouth 34 is discharged.
Inlet pipeline 40 is used to input the sewage in conditioning tank 20 to electric flocculation reaction tank 30.Outlet pipeline 50, The purified water of electric flocculation reaction tank 30 is exported.The water inlet of inlet pipeline 40 is located at the bottom of electric flocculation reaction channel 33 End.Outlet pipeline 50 includes elevator pump 51 and efferent duct 52, and wherein it is attached to go deep into about 1/2 height inside negative pole part 31 for efferent duct 52 Closely, for exporting the purified water in negative pole part 31 by elevator pump 51.The sewage for inputting electric flocculation reaction tank 30 is wadded a quilt with cotton along electricity Solidifying reaction channel 33 flows up, and is flocculated in electric flocculation reaction channel 33 by electrochemistry and carries out the dirty water decontamination handles, generates The small total wadding body of specific gravity be adhered on bubble and float up to the water surface electric flocculation reaction tank 30 is discharged by cleaning shoe, it is heavy total Wadding body sinks to 33 bottom of electric flocculation reaction channel, and purified water flows into inside negative pole part 31, along inside negative pole part 31 to Under flow to 52 nozzle of efferent duct of about 1/2 height inside negative pole part 31 and go out, exported by elevator pump 51 by efferent duct 52.It is excellent Choosing, advanced purification system, such as biofilter or MBR reactor can be increased after electrochemistry sewage disposal system, it is right In treated, sewage is further purified.
The structure setting of the electric flocculation reaction tank of above-described embodiment through the invention can be realized sewage and react in electric flocculation Whole purification in channel, while avoiding influence of the wadding body discharge for clean-up effect altogether in electric flocculation reaction tank.
Referring to fig. 2, the difference with above-described embodiment is the preferred embodiment of the invention, and negative pole part 31 includes first 311 and second 312, first 311 is closing toroid, and height is lower than shape between reaction tank height, with reaction tank inner wall At electric flocculation reaction channel.It is located at first 311 top for second 312, is reticular structure, thus in reaction tank work, Second 312 generation fine hydrogen bubble floats the wadding body adherency that is total on a small quantity entered in negative pole part 31, to avoid its entrance The efferent duct nozzle of 1/2 height of negative pole part, further increases sewage purification performance.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair The present invention is described in detail, it should be understood by those ordinary skilled in the art that: still can be to of the invention specific Embodiment is modified or replaced equivalently, and without departing from any modification of spirit and scope of the invention or equivalent replacement, It is intended to be within the scope of the claims of the invention.

Claims (10)

1. a kind of electrochemistry sewage disposal system, comprising: source of sewage pond is used to accommodate the sewage handled;It adjusts Section pond is adjusted wastewater parameters according to the detected value of sewage;Electric flocculation reaction tank, is provided with negative pole part and anode Portion is flocculated by electrochemistry and carries out the dirty water decontamination handles;Inlet pipeline is used to input sewage to electric flocculation reaction tank;Water outlet Pipeline exports the purified water of electric flocculation reaction tank;It is characterized by: the negative pole part is located in electric flocculation reaction tank Centre, to close toroid cathode construction, height is lower than reaction tank height, forms electric flocculation between reaction tank inner wall and reacts logical Road;The inlet pipeline inputs sewage to the bottom end of the electric flocculation reaction channel;The anode portion includes multiple is set to instead Answer the anode between pond inner wall and negative pole part;The outlet pipeline includes elevator pump and efferent duct, and the efferent duct is deeply described Near about 1/2 height inside negative pole part, for the purified water in negative pole part to be exported by elevator pump.
2. electrochemistry sewage disposal system according to claim 1, it is characterised in that: the purified water of the efferent duct output Subsequent advanced purification system is input to further to be purified.
3. electrochemistry sewage disposal system according to claim 1 or 2, it is characterised in that: the advanced purification system packet Include biofilter or MBR reactor.
4. electrochemistry sewage disposal system according to claim 3, it is characterised in that: it is used for sanitary sewage, and industry is dirty The processing of water or municipal wastewater.
5. electrochemistry sewage disposal system according to claim 4, it is characterised in that: on the electric flocculation reaction tank side wall Side's setting mud mouth.
6. electrochemistry sewage disposal system according to claim 5, it is characterised in that: the mud mouth include it is multiple, It is even to be set to above electric flocculation reaction tank side wall.
7. electrochemistry sewage disposal system described in -6 according to claim 1, it is characterised in that: the height of the mud mouth is higher than The height of the negative pole part.
8. electrochemistry sewage disposal system according to claim 7, it is characterised in that: set above the electric flocculation reaction tank Cleaning shoe is set, the sludge for that will float is discharged from the mud mouth.
9. electrochemistry sewage disposal system according to claim 8, it is characterised in that: the cathode and anode using iron, Aluminium or stainless steel are as electrode material.
10. electrochemistry sewage disposal system according to claim 9, it is characterised in that: pH value is arranged in the conditioning tank Sensor makes in conditioning tank according to the sensing outcome of pH value sensor by the way that pH value adjustment reagent is added into the conditioning tank The pH value of sewage be in alkalescent.
CN201910273927.5A 2019-04-08 2019-04-08 Electrochemistry sewage treatment system Active CN109970158B (en)

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CN201910273927.5A CN109970158B (en) 2019-04-08 2019-04-08 Electrochemistry sewage treatment system
CN201911330070.2A CN110921794A (en) 2019-04-08 2019-04-08 Sewage treatment system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114873696A (en) * 2022-03-25 2022-08-09 武汉大学 Water treatment system for synchronously removing N-P-COD (nitrogen-phosphorus-oxygen demand) in cathode electrocoagulation and electrooxidation process coupling

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Publication number Priority date Publication date Assignee Title
US6126838A (en) * 1998-05-01 2000-10-03 Industrial Technology Research Institute Method of wastewater treatment by electrolysis and oxidization
CN2828014Y (en) * 2005-09-07 2006-10-18 冯庆中 Electrochemical reactor
CN101560040A (en) * 2009-05-08 2009-10-21 北京清大国华环保科技有限公司 Method and device for processing pharmaceutical wastewater by pulse electrocoagulation-MBR
US20100051542A1 (en) * 2008-09-04 2010-03-04 Maria Elektorowicz Wastewater Treatment System and Method
CN203878007U (en) * 2014-05-22 2014-10-15 盛发环保科技(厦门)有限公司 Power plant desulfurization wastewater treatment device
CN104192953A (en) * 2014-08-13 2014-12-10 东莞市东元新能源科技有限公司 Electric flocculation wastewater treatment electrode
CN108609810A (en) * 2018-06-07 2018-10-02 江苏善鼎环保科技有限公司 A kind of processing method and its processing system of chemistry nickel waste water

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6126838A (en) * 1998-05-01 2000-10-03 Industrial Technology Research Institute Method of wastewater treatment by electrolysis and oxidization
CN2828014Y (en) * 2005-09-07 2006-10-18 冯庆中 Electrochemical reactor
US20100051542A1 (en) * 2008-09-04 2010-03-04 Maria Elektorowicz Wastewater Treatment System and Method
CN101560040A (en) * 2009-05-08 2009-10-21 北京清大国华环保科技有限公司 Method and device for processing pharmaceutical wastewater by pulse electrocoagulation-MBR
CN203878007U (en) * 2014-05-22 2014-10-15 盛发环保科技(厦门)有限公司 Power plant desulfurization wastewater treatment device
CN104192953A (en) * 2014-08-13 2014-12-10 东莞市东元新能源科技有限公司 Electric flocculation wastewater treatment electrode
CN108609810A (en) * 2018-06-07 2018-10-02 江苏善鼎环保科技有限公司 A kind of processing method and its processing system of chemistry nickel waste water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114873696A (en) * 2022-03-25 2022-08-09 武汉大学 Water treatment system for synchronously removing N-P-COD (nitrogen-phosphorus-oxygen demand) in cathode electrocoagulation and electrooxidation process coupling

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CN110921794A (en) 2020-03-27

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Effective date of registration: 20200508

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Address before: 522000 603, 6th floor, Dongsheng environmental monitoring and testing building, Rongcheng District, Jieyang City, Guangdong Province (in the Municipal Environmental Protection Bureau)

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Denomination of invention: Electrochemical sewage treatment system

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