CN204675927U - A kind of device of electrochemical oxidation method treatment of dyeing and printing - Google Patents
A kind of device of electrochemical oxidation method treatment of dyeing and printing Download PDFInfo
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- CN204675927U CN204675927U CN201520218973.2U CN201520218973U CN204675927U CN 204675927 U CN204675927 U CN 204675927U CN 201520218973 U CN201520218973 U CN 201520218973U CN 204675927 U CN204675927 U CN 204675927U
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Abstract
The utility model discloses a kind of device of electrochemical oxidation method treatment of dyeing and printing, belong to green technology and field of waste water treatment.The utility model device with boron-doped diamond electrode for anode, stainless steel is negative electrode, by electrode is arranged in electrochemical reactor, and allow the method for waste water constantly circulation between aqua storage tank and electrochemical reactor within the time of setting, organics removal, salt, the pollutents such as colourity, make waste water reach discharging standards.The advantages such as it is little that this device has volume, and efficiency is high, and energy consumption is low, and controllability is good.
Description
Technical field
The devices and methods therefor of disposing of sewage involved by the utility model, belongs to environmental technology field and technical field of waste water processing.
Background technology
Dyeing waste water is one of the most unmanageable waste water that environmental protection industry (epi) is generally acknowledged.Its colourity is high, and organic concentration is large, complicated component, and hardly degraded organic substance is many, and due to the needs of coloring process, normal containing a large amount of inorganic salts, biodegradability is poor.The treatment process of current dyeing waste water has physics, chemistry, biological method or multiple method to combine, and biological treatment is 50% to the degradation rate of COD, and chemical precipitation method and By Bubble-floating Method are to the degradation rate of COD only 30%.Therefore, exploiting economy, effective printing-dyeing waste water treatment process become the problem that current environmental protection industry (epi) is paid close attention to and studied day by day.
Compared with traditional technology, electrochemical oxidation technology suitable treatment contains high-enriched organics, the waste water of high salt.Reacted without the organic pollutant selectively directly and in waste water by the hydroxyl radical free radical produced at electrode surface, be degraded to carbonic acid gas, water and simple organic, do not need to add redox agent in addition, do not have or seldom produce secondary pollution, be that a kind of oxidation capacity is comparatively strong, degradation efficiency is high, be convenient to automatization, reaction conditions is gentle, equipment and the comparatively simple technology of operation thereof, great potential in treatment of dyeing wastewater.
Electrode materials is extremely important for electrochemical oxidation technology, and its performance directly determines effect and the efficiency of electrochemical oxidation process.The electrode materials of current use has a lot of weak point, and as Graphite Electrodes, to organic matter degradation ability, current efficiency is low, easily expands, comes off, and noble metal electrode is as high in costs such as Pt, Au, and the thing that easily cures poisons and loses electrocatalysis ability.Boron-doped diamond electrode is that at present research shows that chemical property preferably and electrode materials the most stable.
Traditional electrochemical reactor is unreasonable owing to designing, and current efficiency is low, and cost is high.Rational reactor design effectively can strengthen the contact of hydroxyl radical free radical and pollutent, improves current efficiency, reduces working time and cost.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, provides efficiently a kind of, the device for the treatment of of dyeing and printing reasonable in design.
A kind of device of electrochemical oxidation method treatment of dyeing and printing comprises aqua storage tank, water pump, constant current regulated power supply, electrochemical reactor, deep bed filter, two-position controller; Aqua storage tank, water pump, electrochemical reactor, deep bed filter connect successively; Electrochemical reactor comprises shell and electrode assemblie two portions, and wherein electrode assemblie is core apparatus, and with boron-doped diamond electrode for anode, stainless steel electrode is negative electrode; Anode and negative electrode parallel to each other, be vertically positioned in reactor.
Waste water constantly cycles through electrochemical reactor, deep bed filter and aqua storage tank within the time of setting.
The water outlet of waste water after electrochemical oxidation flows through a deep bed filter, removing precipitation and suspended substance.
Its inner boron-doped diamond battery lead plate arranged is of a size of 250mm x 500mm.
In electrochemical reactor, battery lead plate after powered up, and can produce great amount of hydroxy group free radical (OH), free radical has strong oxidizing property, can by degradable for useless Organic substance in water; The throw out produced in degradation process and gas are by deep bed filter filtering.After the experimental period of 1 hour of setting, the results are shown in Table 1:
The result of certain factory's dyeing waste water of table 1. after the process of the utility model device and energy consumption condition
The utility model compared with prior art, has the advantage of the following uniqueness: 1. this apparatus design is reasonable, and battery lead plate area is large, and processing efficiency is high, and volume is little, consuming time few; 2. automatic control is high, can well control electrochemical oxidation process by the adjustment of electric current and voltage; 3. to analyse oxygen voltage high for boron-doped diamond electrode, inhibits the generation of analysing oxygen side reaction, is conducive to the active intermediate that hydroxyl radical free radical (OH) etc. has a Strong oxdiative ability and generates, thus have higher current efficiency, less energy consumption; 4. boron-doped diamond electrode, stable chemical performance, adsorptivity is little, and have " self-cleaning " ability, long service life, cost is low.
Accompanying drawing explanation
Fig. 1 is device schematic diagram of the present utility model.
In figure, 1, aqua storage tank, 2, water pump, 3, constant current regulated power supply, 4, two-position controller, 5, electrochemical reactor, 6, deep bed filter.
Embodiment
Below in conjunction with specific embodiment, devices and methods therefor described in the utility model is further illustrated.
First waste water enter (1) aqua storage tank, sends into (5) electrochemical reactor through (2) water pump; (3), after constant current regulated power supply is powered to (5) electrochemical reactor, oxidizing species oxidation water pollutant can be produced in electrochemical reactor, flow into (6) deep bed filter afterwards; Because Pollutants in Wastewater concentration is high, need constantly to circulate between (5) electrochemical reactor, (1) aqua storage tank, (6) deep bed filter, after on-line monitoring water quality reaching standard, controlled by (4) two-position controller, stop working cycle, discharged by (1) aqua storage tank.
With the BDD boron-doped diamond electrode of 6 pieces of 250x 500mm for positive level, 6 pieces of stainless steel electrodes of formed objects are negative electrode, current density 20mAcm
-2. certain dye house effluents 1000L in tank through water pump with the flow velocity of 50L/min, flow in electrochemical reactor, constant current regulated power supply provides certain current/voltage to electrochemical reactor, the strong oxidizers such as hydroxyl radical free radical (OH) are produced at BDD electrode surface, effectively can remove the pollutent in waste water, the water after process is from reactor top through deep bed filter, and removing precipitates and suspended matter, flow into again in aqua storage tank, so continuous circulation.
Claims (4)
1. with a device for electrochemical oxidation method treatment of dyeing and printing, it is characterized in that: device comprises aqua storage tank, water pump, constant current regulated power supply, electrochemical reactor, deep bed filter, two-position controller; Aqua storage tank, water pump, electrochemical reactor, deep bed filter connects successively; Electrochemical reactor comprises shell and electrode assemblie two portions, and wherein electrode assemblie is core apparatus, and with boron-doped diamond electrode for anode, stainless steel electrode is negative electrode; Anode and negative electrode parallel to each other, be vertically positioned in reactor.
2. the device for the treatment of of dyeing and printing according to claim 1, is characterized in that waste water constantly cycles through electrochemical reactor, deep bed filter and aqua storage tank within the time of setting.
3. the device for the treatment of of dyeing and printing according to claim 1, is characterized in that the water outlet of waste water after electrochemical oxidation flows through a deep bed filter, removing precipitation and suspended substance.
4. the device for the treatment of of dyeing and printing according to claim 1, is characterized in that the boron-doped diamond battery lead plate that electrochemical reactor inside is arranged is of a size of 250mmx500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218973.2U CN204675927U (en) | 2015-04-10 | 2015-04-10 | A kind of device of electrochemical oxidation method treatment of dyeing and printing |
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| CN201520218973.2U CN204675927U (en) | 2015-04-10 | 2015-04-10 | A kind of device of electrochemical oxidation method treatment of dyeing and printing |
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| CN204675927U true CN204675927U (en) | 2015-09-30 |
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| CN201520218973.2U Active CN204675927U (en) | 2015-04-10 | 2015-04-10 | A kind of device of electrochemical oxidation method treatment of dyeing and printing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006850A (en) * | 2016-05-25 | 2016-10-12 | 安徽普氏生态环境工程有限公司 | Method for performing electrochemical oxidative degradation on sewage COD (chemical oxygen demand) by using boron-doped graphene electrode |
| CN106145460A (en) * | 2015-04-10 | 2016-11-23 | 北京中力信达环保工程有限公司 | A kind of electrochemical oxidation method processes the device of dyeing waste water |
| CN106277487A (en) * | 2016-10-26 | 2017-01-04 | 北京中力信达环保工程有限公司 | A kind of electrochemicial oxidation desulfurization wastewater device |
| CN108231234A (en) * | 2017-12-29 | 2018-06-29 | 中国工程物理研究院材料研究所 | The electrochemicial oxidation device and electrochemical oxidation method for treating of a kind of Spent Radioactive machine oil |
| CN110342694A (en) * | 2018-04-03 | 2019-10-18 | 华东理工大学 | A kind of processing method of electroplating wastewater |
| CN113860595A (en) * | 2021-11-12 | 2021-12-31 | 江苏雄安环保科技有限公司 | Multifunctional polar plate coupling electro-catalysis system and paint wastewater treatment method thereof |
-
2015
- 2015-04-10 CN CN201520218973.2U patent/CN204675927U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145460A (en) * | 2015-04-10 | 2016-11-23 | 北京中力信达环保工程有限公司 | A kind of electrochemical oxidation method processes the device of dyeing waste water |
| CN106006850A (en) * | 2016-05-25 | 2016-10-12 | 安徽普氏生态环境工程有限公司 | Method for performing electrochemical oxidative degradation on sewage COD (chemical oxygen demand) by using boron-doped graphene electrode |
| CN106277487A (en) * | 2016-10-26 | 2017-01-04 | 北京中力信达环保工程有限公司 | A kind of electrochemicial oxidation desulfurization wastewater device |
| CN108231234A (en) * | 2017-12-29 | 2018-06-29 | 中国工程物理研究院材料研究所 | The electrochemicial oxidation device and electrochemical oxidation method for treating of a kind of Spent Radioactive machine oil |
| CN108231234B (en) * | 2017-12-29 | 2019-08-02 | 中国工程物理研究院材料研究所 | A kind of the electrochemicial oxidation device and electrochemical oxidation method for treating of Spent Radioactive machine oil |
| CN110342694A (en) * | 2018-04-03 | 2019-10-18 | 华东理工大学 | A kind of processing method of electroplating wastewater |
| CN113860595A (en) * | 2021-11-12 | 2021-12-31 | 江苏雄安环保科技有限公司 | Multifunctional polar plate coupling electro-catalysis system and paint wastewater treatment method thereof |
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