CN204824475U - Many metal complexes effluent treatment plant - Google Patents
Many metal complexes effluent treatment plant Download PDFInfo
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- CN204824475U CN204824475U CN201520555238.0U CN201520555238U CN204824475U CN 204824475 U CN204824475 U CN 204824475U CN 201520555238 U CN201520555238 U CN 201520555238U CN 204824475 U CN204824475 U CN 204824475U
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- electrode
- air supporting
- metal complexes
- contact break
- many metal
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Abstract
The utility model discloses a many metal complexes effluent treatment plant, the device mainly comprise parts such as the system of intaking, broken twine electrode, air supporting electrode, air supporting room and sedimentation rooms, waste water is in broken twine electrode anodal catalytic oxidation effect thoroughly broken twine separation down, and the metal ion of separation and complex ion catabolite can high -efficiently be got rid of through breaking combined effect such as the flocculation and precipitation that holds electrode, air supporting electrode and sedimentation room in place with a net, redox, electrophoresis, air supporting. The utility model discloses organically combine broken twine of electrolysis and electrolysis air supporting technique together, for many metal complexes that toxicity is strong, the composition the is complicated waste water that selects trades such as ye, electroplating to discharge provides an effectual processing apparatus, the device also can effectively get rid of multiple pollutants such as suspended solid, organic matter in the metal complexes thing in getting rid of waste water. The utility model discloses equipment is simple, take up an area of less, the treatment effect is showing, is adapted to the useless treatment of water of various heavy metal complexes.
Description
Technical field
The utility model relates to a kind of technical field of industrial sewage treatment, particularly relates to a kind of many metal complexes wastewater treatment equipment.
Background technology
Heavy metal complexing waste water is that a kind of strong toxicity, easily accumulation, biodegradability are poor, the difficult trade effluent of complicated component.This type of heavy metals ion and NH
4+, EDTA, dimercaprol dimercaptopropanol, Sodium Dimercapto Sulfonate, mercaptoethylamine, the multiple complexing agent generation ligand complex such as Thiovanic acid form stable soluble heavy metal complexing waste water, as Ni-EDTA waste water, the stability constant of Ni-EDTA under normal temperature condition is far longer than the stability constant of its oxyhydroxide, and strong oxidizer such as Fenton reagent, sodium chlorate etc. are difficult to Oxidative demage Ni-EDTA structure, compared with the heavy metal wastewater thereby of free state, this type of wastewater treatment is more difficult, and the conventional treatment method such as alkaline chemical precipitation or ion-exchange is difficult to reach processing requirements.Complexing heavy metal is more easily accumulated in vivo, eventually through food chain enrichment in human body, badly influences the existence of the mankind with healthy.This type of waste water is mainly derived from the industries such as ore dressing, metallurgy, plating, chemical industry, printing and dyeing, printed circuit board, not only containing heavy metal in waste water, also there is the multiple pollutant such as organism, suspended substance, wastewater discharge is large, source is wide, and along with the exploitation of more complexometric reagent, make waste component all the more complicated, intractability is larger.Along with the fast development of economic society, heavy metal pollution of water body has badly influenced the orthobiosis of China's industrial or agricultural Sustainable development and people, and the process for this type of waste water is all the more urgent.
For the process of this type of waste water, mainly contain the methods such as acid system contact break method, displacement contact break method, electrochemical oxidation process, Fenton oxidation method and ion exchange method at present.
Acid system contact break method is by regulating the pH value of waste water to less than 2, major part heavy metal ion can dissociate out from ligand complex ion, thus realize being separated of heavy metal ion and complexing ion, but this type of waste water major part is in alkalescence, regulate pH to need consumption acids, still need to add alkaline matter afterwards and carry out precipitation of heavy metals ion, also have a large amount of organic complex ions to be difficult to remove in the process, still need to process organic waste water further, treating processes is more complicated.
Displacement contact break method is by adopting some chemical agent as Na
2s carrys out cementation heavy metal ion, and this method can effectively replace most heavy metal, but the heavy metal sulfide particles formed is small, separation difficulty, and water outlet is with peculiar smell.
Electrochemical oxidation process is by electrode anode oxidative degradation pollution substance, and the OH-utilizing negative electrode to produce precipitates the heavy metal ion of dissociating, but metal complex stable in properties, contact break ability for metal complex under the condition not having catalyzer is poor, and very micro-for being difficult to precipitate the water treatment effect removed containing As, F etc.
Fenton oxidation method utilizes H
2o
2at Fe
2+the active Strong oxdiative substance oxidation contact break produced under katalysis, the method for plus-minus precipitation after heavy metal ion is separated with complexing ion, this method needs a large amount of H in treating processes
2o
2with containing Fe
2+reagent, processing costs is higher, and treating processes is difficult to control.
Ion exchange method utilizes the exchangable ion on ion-exchange material and has identical electrical metal complex ion in waste water and carry out exchanging and remove the treatment process of metal complex ion, but the heavy metal ion of high density easily makes exchange resin saturated, complexing ion easily cause make exchange resin pollute and aging, the heavy metal kind that can process is more single.Therefore, these class methods all receive certain restriction in actual application.
Utility model content
For inferior position and the deficiency of technique scheme process many metal complexes waste water, the utility model provides a kind of many metal complexes wastewater treatment equipment, this device adopts the contact break electrode with catalysed oxidn, first heavy metal complex compound carries out contact break, utilizes contact break electrode and the common combined action such as flocculation sediment, redox, electrophoresis, the air supporting removing residual contamination material of air supporting electrode afterwards.The utility model organically combines electrolysis contact break technology and electrofloatation technology, and electrolysis contact break and electrofloatation being carried out connecting uses, and equipment is simple, take up an area less, obvious processing effect, is adapted to the process of each heavy metal species complexing waste water.
The utility model provides a kind of many metal complexes wastewater treatment equipment, comprises water inlet system, contact break electrode, air supporting electrode, gas-floating chamber and settlement separate room; Wherein water inlet system is made up of inlet channel and drug feeding pipeline, and contact break electrode is located at air supporting electrode base, and both are all connected with direct supply; Air supporting top of electrodes arranges gas-floating chamber, and gas-floating chamber top is provided with slag scraper, and slag scraper slag-drip opening lower end is provided with dreg collecting slot; Be provided with mud-removing bucket bottom contact break electrode and settlement separate room, above the end of settlement separate room, be provided with overflow port; Waste water, is discharged by overflow port successively through contact break electrode, air supporting electrode, gas-floating chamber, settlement separate room by water inlet system.
Preferably, the water inlet of inlet channel is many metal complexes waste water that the industries such as ore dressing, metallurgy, plating, chemical industry, printing and dyeing, printed circuit board produce; Medicament added by drug feeding pipeline is NaOH, Ca (OH)
2, HCl, H
2sO
4, hydrogen peroxide, strong electrolyte, coagulant aids, a kind of reagent in the reagent such as tensio-active agent or plurality of reagents mixed solution.
Preferably, the anode material of contact break electrode is iron aluminum-copper alloy, aluminum-copper alloy, iron-copper, and the copper contained by its Anodic is catalyzer, and catalyzer can be other transition metal with katalysis or non-metallic material; The massfraction of anode catalyst is between 0.1% ~ 1%; The negative electrode of contact break electrode is noble electrode.
Preferably, the anode of air supporting electrode, negative electrode are noble electrode.
Preferably, the polar plate spacing of contact break electrode and air supporting electrode is 0.5 ~ 5cm, and electrode connection mode is single stage type, bipolar system, combined type connect, and pole plate number is 2 ~ 20 pieces, is provided with fixing, short-circuit preventing device between pole plate.
Preferably, device case is made up of corrosion-resistant, resistance material, and the polar plate area of contact break electrode and air supporting electrode is than between 1 ~ 0.2; Contact break electrode, air supporting electrode, gas-floating chamber cumulative volume and settlement separate room volume ratio are 1/2 ~ 1/10.
Preferably, if water inlet pH value is excessive or too low, regulate water inlet pH value between 3 ~ 10 with strong acid or highly basic, waste water adopts continuum micromeehanics mode, and hydraulic detention time is between 0.5 ~ 30min.
The beneficial effects of the utility model are, the utility model provides a kind of many metal complexes wastewater treatment equipment, comprise water inlet system, contact break electrode, air supporting electrode, gas-floating chamber and settlement separate room.Contact break electrode adopts iron aluminum-copper alloy as anode material, copper contained by its Anodic is catalyzer, and anode can efficient oxidation heavy metal complex under the katalysis of copper, for the removal of heavy metal complex provides precondition, meanwhile, anode alloy has a large amount of Fe in electrolytic process
2+, Al
3+stripping, the subsequent disposal for waste water provides good flocculation agent; The negative electrode of contact break electrode is noble electrode, produces a large amount of OH-and H in electrode process
2oH-and the generation precipitin reaction of part heavy metal ion are so that the precipitation of heavy metal or dissolved air flotation, and H2 is that a large amount of suspended particles of System forming provide floating condition, simultaneously, part heavy metal ion is able to electroreduction deposition at negative electrode, can rear recovery part heavy metal.Anode, the negative electrode of air supporting electrode are noble electrode, its negative electrode and contact break electrode cathode have identical function, its anode can complexing ion degraded product after the contact break of exhaustive oxidation heavy metal, and effectively remove wastewater through organic matter, part Cl-is oxidized to strong oxidizer Cl in the process
2, can carry out indirect oxidation degraded to Wastewater Pollutant, meanwhile, anode produces a large amount of O
2; Air supporting electrode produces a large amount of H
2and O
2secondary dissolved air flotation is carried out to particulate form pollutents such as heavy metals precipitations.Sewage is further purified when arriving settlement separate room.The effect such as electricity flocculation, electroreduction deposition, electrofloatation, electrochemical catalytic oxidation, precipitate and separate utilizing device to provide in whole treating processes can realize the efficient process of waste water.
Method heavy metal complex provided by the utility model contact break is thorough, and the various pollutents such as heavy metal, organism and suspended substance are able to effective removal, and do not need to add a large amount of medicaments, flow process is simple, and floor space is few, and processing cost is low, easy to operate, can also recovery part precious metal.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of many metal complexes wastewater treatment equipment.
Fig. 2 is the fundamental diagram of contact break electrode.
Fig. 3 is the fundamental diagram of air supporting electrode.
Description of reference numerals:
1-direct supply; 2-circuit control device; 3-working shaft; 4-drug feeding pipeline; 5-water distributor; 6-mud-removing bucket; 7-stationary installation; 8-contact break electrode; 9-air supporting electrode; 10-dreg collecting slot; 11-gas-floating chamber; 12-slag scraper; The settlement separate room of 13-; 14-overflow port.
Embodiment
As shown in Figure 1, the utility model provides a kind of many metal complexes wastewater treatment equipment, comprises
Water inlet system (3,4), contact break electrode (8), air supporting electrode (9), gas-floating chamber (11) and settlement separate room (13); Wherein
Water inlet system (3,4) is made up of inlet channel (3) and drug feeding pipeline (4), wherein contact break electrode (8) is located at described air supporting electrode (9) bottom, and both are all connected with direct supply (1);
Air supporting electrode (9) top arranges gas-floating chamber (11), and gas-floating chamber (11) top is provided with slag scraper (12), and slag scraper (12) slag-drip opening lower end is provided with dreg collecting slot (10); Contact break electrode (8) and settlement separate room (13) bottom are provided with mud-removing bucket (6), are provided with overflow port (14) above settlement separate room (13) end;
Waste water, is discharged by overflow port (14) successively through contact break electrode (8), air supporting electrode (9), gas-floating chamber (11), settlement separate room (13) by water inlet system.
The above-mentioned waste disposal plant that the utility model is carried is handled as follows treatment sewage:
A) waste water is entered by inlet channel, contact break electrode is passed into after the medicament in drug feeding pipeline regulates, metal complex ion is oxidized to metal ion and complexing ion degraded product contact break electrode anode is catalyzed, part metals ion by contact break electrode cathode precipitate reduction, the OH that part metals ion and contact break electrode cathode produce
-precipitin reaction precipitation occurs remove, part high volence metal ion is reduced to ion at a low price by contact break electrode anode, the Fe (OH) that part metals ion, complexing ion degraded product and suspended substance and described contact break electrode produce
2, Fe (OH)
3, Al (OH)
3flocculation agent combines precipitation and removes or float;
B) water outlet of upper step passes into air supporting electrode again, in air supporting electrode, remaining part metals ion, complexing ion degraded product and suspended substance are able to effective removal by air supporting effect, part metals ion is precipitated by the cathodic reduction of air supporting electrode, part complexing ion degraded product is able to exhaustive oxidation degraded at air supporting electrode anode, and contaminant remaining is separated removal further in described settlement separate room.
Preferably, if when above-mentioned waste water causes water outlet to exceed standard because heavy metal content is too high, add NaOH, Ca (OH) to drug feeding pipeline
2, HCl, H
2sO
4, hydrogen peroxide, strong electrolyte, coagulant aids, one or more reagent in the reagent such as tensio-active agent mixed solution, intensifying treatment effect;
This device both may be used for the process of many metal complexes waste water, also can be used for the process of other heavy metal-containing waste waters.
Particularly, with reference to figure 2, first waste water arrive contact break electrode (8) by inlet channel (3), contact break electrode (8) adopts iron aluminum-copper alloy as anode material, anode can heavy metal complex in efficient oxidation waste water under the katalysis of copper, heavy metal complex achieves complete contact break herein, and meanwhile, its anode has a large amount of Fe in electrolytic process
2+, Al
3+stripping, the subsequent disposal for waste water provides good flocculation agent; The negative electrode of contact break electrode (8) is noble electrode, produces a large amount of OH-and H in electrode process
2, OH-and the generation precipitin reaction of part heavy metal ion so that the precipitation of heavy metal or dissolved air flotation, H
2for a large amount of suspended particles of System forming provide floating condition, meanwhile, part heavy metal ion is able to electroreduction deposition at negative electrode.
With reference to the signal of figure 3, when waste water arrives air supporting electrode (9) by contact break electrode (8), air supporting electrode (9) electrolysis produces a large amount of H
2, its anode can complexing ion degraded product after the contact break of exhaustive oxidation heavy metal, and effectively remove wastewater through organic matter, can carry out indirect oxidation degraded to Wastewater Pollutant, meanwhile, anode produces a large amount of O
2; Air supporting electrode (9) produces a large amount of H
2and O
2secondary dissolved air flotation is carried out to particulate form pollutents such as heavy metals precipitations.
Further purified when sewage arrives settlement separate room (13).
The effect such as electricity flocculation, electroreduction deposition, electrofloatation, electrochemical catalytic oxidation, precipitate and separate that the utility model utilizes device to provide in whole treating processes can realize the efficient process of this type of waste water.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; still can do some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the wastewater treatment equipment of metal complex more than, is characterized in that, comprises water inlet system, contact break electrode, air supporting electrode, gas-floating chamber and settlement separate room;
Described water inlet system, it comprises inlet channel and drug feeding pipeline;
Described contact break electrode is located at described air supporting electrode base, and both are all connected with direct supply;
Described air supporting top of electrodes arranges gas-floating chamber, and gas-floating chamber top is provided with slag scraper, and slag scraper slag-drip opening lower end is provided with dreg collecting slot;
After described settlement separate room is arranged on described gas-floating chamber;
Waste water by described water inlet system successively through contact break electrode, air supporting electrode, gas-floating chamber, settlement separate room and discharging.
2. many metal complexes wastewater treatment equipment according to claim 1, is characterized in that, is provided with mud-removing bucket, is provided with overflow port above the end of settlement separate room bottom described contact break electrode and described settlement separate room.
3. many metal complexes wastewater treatment equipment according to claim 1, is characterized in that, anode, the negative electrode of described air supporting electrode are noble electrode.
4. many metal complexes wastewater treatment equipment according to claim 1, is characterized in that, the anode of described contact break electrode is the alloy of cupric, and negative electrode is noble electrode.
5., according to the arbitrary described many metal complexes wastewater treatment equipment of Claims 1 to 4, it is characterized in that, described contact break electrode and the polar plate spacing of air supporting electrode are 0.5 ~ 5cm.
6. many metal complexes wastewater treatment equipment according to claim 5, it is characterized in that, the mode of connection of described contact break electrode and air supporting electrode, can be the mode of connection of one of single stage type, bipolar system, combined type, pole plate number is 2 ~ 20 pieces, is provided with fixing, short-circuit preventing device between pole plate.
7. many metal complexes wastewater treatment equipment according to claim 5, is characterized in that, the polar plate area of described contact break electrode and air supporting electrode is than between 1 ~ 0.2.
8. many metal complexes wastewater treatment equipment according to claim 5, is characterized in that, cumulative volume and the settlement separate room volume ratio of described contact break electrode, air supporting electrode, gas-floating chamber three are 1/2 ~ 1/10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555238.0U CN204824475U (en) | 2015-07-28 | 2015-07-28 | Many metal complexes effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555238.0U CN204824475U (en) | 2015-07-28 | 2015-07-28 | Many metal complexes effluent treatment plant |
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| Publication Number | Publication Date |
|---|---|
| CN204824475U true CN204824475U (en) | 2015-12-02 |
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ID=54682097
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| CN201520555238.0U Expired - Fee Related CN204824475U (en) | 2015-07-28 | 2015-07-28 | Many metal complexes effluent treatment plant |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106277218A (en) * | 2016-08-12 | 2017-01-04 | 四川悦承环保节能科技有限公司 | A kind of device for removing phosphorous by electrolysis |
| CN107915284A (en) * | 2017-11-14 | 2018-04-17 | 潍坊友容实业有限公司 | Alkaline land improving desalinization of soil by flooding or leaching wastewater treatment equipment |
| CN109354128A (en) * | 2018-11-12 | 2019-02-19 | 江苏京源环保股份有限公司 | Wastewater treatment Fenton oxidation unit is complexed in one heavy metal species |
| CN109437446A (en) * | 2018-10-19 | 2019-03-08 | 浙江海拓环境技术有限公司 | A kind of zinc nickel alloy electroplating waste water treatment process |
| CN109502878A (en) * | 2017-09-15 | 2019-03-22 | 上海江柘环境工程技术有限公司 | A kind of electroplating waste water treatment system and its processing method |
| CN110282706A (en) * | 2019-06-26 | 2019-09-27 | 南京润科环境有限公司 | A kind of Fenton oxidation reaction treating device |
| CN111592152A (en) * | 2020-05-01 | 2020-08-28 | 中南大学 | Device for implementing metal recovery by using electroplating wastewater treated by rust and using method thereof |
| CN114804452A (en) * | 2022-03-04 | 2022-07-29 | 中南大学 | Method for treating non-ferrous metal smelting wastewater |
| CN115028297A (en) * | 2021-11-08 | 2022-09-09 | 上海特瑞思材料科技有限公司 | Sewage treatment system and method |
| CN115159743A (en) * | 2022-07-15 | 2022-10-11 | 张彧 | Control method of cleaning equipment and related device |
| CN117843199A (en) * | 2024-03-01 | 2024-04-09 | 海普欧环保集团有限公司 | Centrifugal adsorption treatment equipment for heavy metal sewage |
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2015
- 2015-07-28 CN CN201520555238.0U patent/CN204824475U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106277218A (en) * | 2016-08-12 | 2017-01-04 | 四川悦承环保节能科技有限公司 | A kind of device for removing phosphorous by electrolysis |
| CN109502878A (en) * | 2017-09-15 | 2019-03-22 | 上海江柘环境工程技术有限公司 | A kind of electroplating waste water treatment system and its processing method |
| CN107915284A (en) * | 2017-11-14 | 2018-04-17 | 潍坊友容实业有限公司 | Alkaline land improving desalinization of soil by flooding or leaching wastewater treatment equipment |
| CN109437446A (en) * | 2018-10-19 | 2019-03-08 | 浙江海拓环境技术有限公司 | A kind of zinc nickel alloy electroplating waste water treatment process |
| CN109354128A (en) * | 2018-11-12 | 2019-02-19 | 江苏京源环保股份有限公司 | Wastewater treatment Fenton oxidation unit is complexed in one heavy metal species |
| CN110282706A (en) * | 2019-06-26 | 2019-09-27 | 南京润科环境有限公司 | A kind of Fenton oxidation reaction treating device |
| CN111592152A (en) * | 2020-05-01 | 2020-08-28 | 中南大学 | Device for implementing metal recovery by using electroplating wastewater treated by rust and using method thereof |
| CN111592152B (en) * | 2020-05-01 | 2023-09-15 | 中南大学 | Device for implementing metal recovery by utilizing rust to treat electroplating wastewater and application method thereof |
| CN115028297A (en) * | 2021-11-08 | 2022-09-09 | 上海特瑞思材料科技有限公司 | Sewage treatment system and method |
| CN114804452A (en) * | 2022-03-04 | 2022-07-29 | 中南大学 | Method for treating non-ferrous metal smelting wastewater |
| CN115159743A (en) * | 2022-07-15 | 2022-10-11 | 张彧 | Control method of cleaning equipment and related device |
| CN117843199A (en) * | 2024-03-01 | 2024-04-09 | 海普欧环保集团有限公司 | Centrifugal adsorption treatment equipment for heavy metal sewage |
| CN117843199B (en) * | 2024-03-01 | 2024-05-21 | 海普欧环保集团有限公司 | Centrifugal adsorption treatment equipment for heavy metal sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |