CN203653311U - Electrolytic cell used for electrolytic oxidation treatment of cyanogens-containing waste liquor - Google Patents

Electrolytic cell used for electrolytic oxidation treatment of cyanogens-containing waste liquor Download PDF

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Publication number
CN203653311U
CN203653311U CN201320428243.6U CN201320428243U CN203653311U CN 203653311 U CN203653311 U CN 203653311U CN 201320428243 U CN201320428243 U CN 201320428243U CN 203653311 U CN203653311 U CN 203653311U
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China
Prior art keywords
electrolyzer
waste solution
bearing waste
compartment
processing
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CN201320428243.6U
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Chinese (zh)
Inventor
申大志
庄荣传
叶志勇
胡杰华
游蔓莉
孙艳慧
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Xiamen Zijin Mining and Metallurgy Technology Co Ltd
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Xiamen Zijin Mining and Metallurgy Technology Co Ltd
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Abstract

The utility model discloses an electrolytic cell for treating cyanogens-containing waste liquor. Partition plates which are parallel are arranged inside a cell body of the electrolytic cell; the partition plates are used for dividing an electrolysis unit into a plurality of communicated electro-oxidation reaction chambers; each chamber is externally equipped with an electro-oxidation polar plate and filled with materials such as active carbon particles and conductive ceramic balls as a third-pole electrode; an aeration stirring part is arranged on the bottom of each chamber, so that the third-pole electrode and cyanogens-containing waste liquor are in a stirring state, and therefore, electrochemical oxidation cyanogens-breaking efficiency is high, and result of deeply treating the cyanogens-containing wastewater is achieved.

Description

A kind of electrolyzer of processing cyanide bearing waste solution for electrolytic oxidation
Technical field
The utility model relates to a kind for the treatment of unit of cyanide bearing waste solution, relates to particularly a kind of electrolyzer of processing cyanide bearing waste solution for electrolytic oxidation, can reach the result of advanced treatment cyanide wastewater.
Background technology
The treatment process of conventional cyanide wastewater is mainly chemical oxidization method, and this method is to high density cyanogen and easily to process cyanide bearing waste solution treatment effect better, but the processing of difficult cyanide bearing waste solution is difficult to reach discharging standards, and processing cost is high.Utilize electrochemical oxidation process to process cyanide wastewater, destroy completely for making the structure of prussiate in waste liquid, it is very important that the form of reactor just seems, traditional electrolyzer is used for the galvanic deposit of metal, and main form is in single groove, to add multipair pole plate.
2005.4.27 the Chinese invention patent that the disclosed patent No. is 200310101484.0 has been reported a kind of for the treatment of the electrolyzer containing high density cyanide waste liquor, its anode is made up of with multiple granular graphite at least one electrically conductive graphite rod, its negative electrode is made up of at least one metal bar, between anode and negative electrode, have porous insulation thing to contact with each other preventing, electrolyzer has delivery pipe.This device need to add insulant to prevent short circuit between anode and negative electrode, increased production cost, and single reaction chamber also makes the time lengthening disposing waste liquid, inefficiency.
Utility model content
Of the present utility modelly provide a kind of and processed the electrolyzer of cyanide bearing waste solution for electrolytic oxidation, to solve the above-mentioned problems in the prior art.
The technical scheme that the utility model provides is as follows:
Process the electrolyzer of cyanide bearing waste solution for electrolytic oxidation, comprise liquid relief outlet after cell body, water-in, processing, dividing plate, electrooxidation pole plate, aeration agitation parts and sewage draining exit; After described water-in and processing, liquid relief outlet is divided into described cell body rear and front end; The dividing plate that described cell body inside is arranged by two or more described alternatively up and down, vertical parallel separates, and forms multiple compartments that communicate: while flowing in groove containing cyanogen liquid with the mode of alternately passing through from dividing plate bottom and top each compartment of flowing through; Described aeration agitation parts are located at cell body bottom and are passed through each compartment; Described sewage draining exit is located at each cell bottom; Described electrooxidation pole plate is arranged in each compartment.
Further, the conductive particle of dosing the material such as activated carbon granule, conductivity ceramics ball or their arbitrary combination in described each compartment is as the 3rd utmost point electrode, and described third electrode is kept in motion all the time under described aeration agitation parts effect.After described processing, between liquid relief outlet place and compartment, cyanide bearing waste solution is provided with porous screen cloth by district, and its aperture is less than third electrode grain diameter, makes third electrode being uniformly distributed in each compartment.
Further, it is 1 pair or multipair every indoor set electro-oxidation electrode plate quantity.
Further, the positive plate of described electro-oxidation electrode plate is DSA anode, graphite, stainless steel, lead anode or the steel wool etc. with different coating, negative plate is 304 steel, 316 steel, 316L steel, steel wool or titanium etc., or the arbitrary combination of above-described pole plate.
Further, the positive plate of the described electrooxidation utmost point is tabular, porous or reticulated structure, and negative plate is porous or reticulated structure; Cathode and anode distance between plates is 1-4cm.
Further, described cell body adopts insulating material, is polyethylene, and polyvinyl chloride, polypropylene, synthetic glass or concrete add the materials such as anti-corrosion insulating layer, or the arbitrary combination of above-mentioned materials.
Further, two cell bottom that are made up of lower clapboard-upper spacer-lower clapboard are provided with a sewage draining exit jointly.
Further, described dividing plate is equidistantly to arrange or unequal-interval arrangement, or the combination of above-mentioned two kinds of arrangement modes.
The technical program is compared with background technology, and its tool has the following advantages:
1, cyanide bearing waste solution adopts the liquid form of the overflow of many dividing plates and underflow cross arrangement in electrolyzer, and within bottom of electrolytic tank adds aeration agitation parts and compartment the dosing of the 3rd utmost point electrode, improve the electrochemical oxidation efficiency of oxidation broken cyanide, reached the effect of efficient advanced treatment cyanide bearing waste solution.
2, described electrolyzer is not limited only to electrolytic oxidation and cracks cyanogen root, and the electrochemical oxidation process that is also applicable to similar techniques is removed other materials such as COD, ammonia nitrogen.
Brief description of the drawings
Fig. 1 is the utility model is processed the electrolyzer of cyanide bearing waste solution elevation cross-sectional view for electrolytic oxidation.
Fig. 2 is the utility model is processed the electrolyzer of cyanide bearing waste solution vertical view for electrolytic oxidation
Wherein, description of reference numerals is as follows:
Liquid relief outlet, 6-sewage draining exit, 7-lower clapboard, 8-aeration agitation parts, 9-compressed air inlet, 10-anode copper bar, 11-negative electrode copper bar, 12-cell body after 1-water-in, 2-battery lead plate, 3-upper spacer, 4-filter screen, 5-process.
Embodiment
Taking PVC as material, the high 1000mm*500mm*700mm cell body (12) that is respectively of the wide * of long *, cell body (12) inside is divided into four compartments, between the first compartment and the second compartment, establish upper spacer (3), between the second compartment and the 3rd compartment, set dividing plate (7), dividing plate material adopts PVC.Cell body (12) the upper wall left and right sides is respectively equipped with anode copper bar (10) and negative electrode copper bar (11), in each compartment, there are two pairs of electrooxidation pole plates, wherein positive plate is arranged on anode copper bar (10), negative plate is installed on negative electrode copper bar (11), positive plate and negative plate alternative arrangement, interval 3cm, pole plate is of a size of 400*300mm, and anode adopts DSA positive plate, negative electrode to adopt stainless steel.In each compartment, dose granularity 2mm cocos active carbon as the 3rd utmost point electrode, process after liquid relief outlet (5) locate and compartment between cyanide bearing waste solution be provided with porous screen cloth (4) by district.
Electrolyzer is in when work, first powered-down and sewage draining exit (6).Open water-in (1), make cyanide bearing waste solution continue to enter in electrolyzer, after waste liquid is full of four compartments of electrolyzer, opening power electrolysis power, and start electrochemical oxidation reactions, adopt air pump to inflate to aeration agitation parts (8) by compressed air inlet (9), the gas with certain pressure is entered in waste liquid by the pore of aeration agitation parts (8), the cyanide bearing waste solution of the each compartment of prolonged agitation and third electrode, under the effect of electrooxidation pole plate and third electrode, cyanide oxidation is become to nitrogen and carbonic acid gas, cyanide bearing waste solution flows to last compartment by the first compartment, and every indoor continuous oxidation, processing qualified waste liquid discharges continuously by processing rear liquid relief outlet (5).In electrolytic process, cyanide bearing waste solution mean residence time in electrolyzer is can reach emission request in 15 minutes.Powered-down while stopping groove, opens sewage draining exit (6) waste liquid is discharged.
Utilizing the above electrolyzer to be processed into is divided into: Tcn -3.67mg/L, Cl -the cyanide bearing waste solution of 18g/L, pH value 8.34.Adopt in current stabilization 200A situation the average amount of disposing waste liquid 1m per hour 3/ h, liquid Tcn after processing -0.01mg/L, electrochemical oxidation power consumption is 0.87kwh/m 3, in every kwh0.5 unit, processing cost is 0.43 yuan/m 3.
Above are only a specific embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.

Claims (8)

1. process the electrolyzer of cyanide bearing waste solution for electrolytic oxidation, it is characterized in that: described electrolyzer mainly comprises liquid relief outlet after cell body, water-in, processing, dividing plate, electrooxidation pole plate, aeration agitation parts and sewage draining exit; After described water-in and processing, liquid relief outlet is divided into described cell body rear and front end; The dividing plate that described cell body inside is arranged by two above-described alternatively up and down, vertical parallel separates, and forms multiple compartments that communicate: while flowing in groove containing cyanogen liquid with the mode of alternately passing through from dividing plate bottom and top each compartment of flowing through; Described aeration agitation parts are located at cell body bottom and are passed through each compartment; Described sewage draining exit is located at each cell bottom; Described electrooxidation pole plate is arranged in each compartment.
2. the electrolyzer of processing cyanide bearing waste solution for electrolytic oxidation as claimed in claim 1, it is characterized in that: in described each compartment, dose the conductive particle of activated carbon granule, conductivity ceramics ball material or their arbitrary combination as third electrode, described third electrode is kept in motion all the time under described aeration agitation parts effect.
3. the electrolyzer of processing cyanide bearing waste solution for electrolytic oxidation as claimed in claim 1 or 2, it is characterized in that: after described processing, between liquid relief outlet place and compartment, cyanide bearing waste solution is provided with porous screen cloth by district, its aperture is less than third electrode grain diameter, makes third electrode being uniformly distributed in each compartment.
4. the electrolyzer of processing cyanide bearing waste solution for electrolytic oxidation as claimed in claim 1, is characterized in that: be 1 pair or multipair every indoor set electro-oxidation electrode plate quantity.
5. the electrolyzer for electrolytic oxidation processing cyanide bearing waste solution as described in claim 1 or 4, it is characterized in that: the positive plate of described electro-oxidation electrode plate is DSA anode, graphite, stainless steel, lead anode or the steel wool with different coating, negative plate is 304 steel, 316 steel, 316L steel, steel wool or titanium, or the arbitrary combination of above-mentioned pole plate.
6. as claimed in claim 1ly process the electrolyzer of cyanide bearing waste solution for electrolytic oxidation, it is characterized in that: the positive plate of the described electrooxidation utmost point is tabular, porous or reticulated structure, and negative plate is porous or reticulated structure; Cathode and anode distance between plates is 1-4cm.
7. the electrolyzer of processing cyanide bearing waste solution for electrolytic oxidation as claimed in claim 1, it is characterized in that: described cell body adopts insulating material, for polyethylene, polyvinyl chloride, polypropylene, synthetic glass or concrete add anti-corrosion insulation layer material, or the arbitrary combination of above-mentioned materials.
8. the electrolyzer of processing cyanide bearing waste solution for electrolytic oxidation as claimed in claim 1, is characterized in that: described dividing plate is for equidistantly arranging or unequal-interval arrangement, or the combination of above-mentioned two kinds of arrangement modes.
CN201320428243.6U 2013-07-18 2013-07-18 Electrolytic cell used for electrolytic oxidation treatment of cyanogens-containing waste liquor Expired - Lifetime CN203653311U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104355368A (en) * 2014-11-05 2015-02-18 山东安志优水环保工程有限公司 Oilfield reinjection water treatment device
CN107447249A (en) * 2017-08-17 2017-12-08 苏州市金翔钛设备有限公司 A kind of electroplating bath
CN107662965A (en) * 2017-10-25 2018-02-06 广东南方碱业股份有限公司 A kind of electrolysis unit and method for removing ammonia nitrogen in ammonia alkali waste water
CN112830556A (en) * 2021-01-20 2021-05-25 苏州融和福天宝环保科技有限责任公司 Method for combined treatment of cyanide copper plating wastewater and acidic copper plating wastewater
CN114230055A (en) * 2021-12-24 2022-03-25 华能山东发电有限公司 Method for reducing membrane method concentration scaling rate and flux recovery promotion of desulfurization wastewater
CN114873691A (en) * 2022-05-05 2022-08-09 河南清波环境工程有限公司 Multistage electrocatalytic oxidation wastewater treatment device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104355368A (en) * 2014-11-05 2015-02-18 山东安志优水环保工程有限公司 Oilfield reinjection water treatment device
CN107447249A (en) * 2017-08-17 2017-12-08 苏州市金翔钛设备有限公司 A kind of electroplating bath
CN107662965A (en) * 2017-10-25 2018-02-06 广东南方碱业股份有限公司 A kind of electrolysis unit and method for removing ammonia nitrogen in ammonia alkali waste water
CN107662965B (en) * 2017-10-25 2024-01-12 广东南方碱业股份有限公司 Electrolysis device and method for removing ammonia nitrogen in ammonia-alkali wastewater
CN112830556A (en) * 2021-01-20 2021-05-25 苏州融和福天宝环保科技有限责任公司 Method for combined treatment of cyanide copper plating wastewater and acidic copper plating wastewater
CN114230055A (en) * 2021-12-24 2022-03-25 华能山东发电有限公司 Method for reducing membrane method concentration scaling rate and flux recovery promotion of desulfurization wastewater
CN114873691A (en) * 2022-05-05 2022-08-09 河南清波环境工程有限公司 Multistage electrocatalytic oxidation wastewater treatment device

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Granted publication date: 20140618

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