CN102190389B - Iron-carbon micro-electrolysis fenton oxidation reactor - Google Patents

Iron-carbon micro-electrolysis fenton oxidation reactor Download PDF

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Publication number
CN102190389B
CN102190389B CN201110144555XA CN201110144555A CN102190389B CN 102190389 B CN102190389 B CN 102190389B CN 201110144555X A CN201110144555X A CN 201110144555XA CN 201110144555 A CN201110144555 A CN 201110144555A CN 102190389 B CN102190389 B CN 102190389B
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iron
rotary drum
hydrogen peroxide
oxidation reactor
fenton oxidation
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CN102190389A (en
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钱盘生
沈云飞
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JIANGSU JINSHAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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JIANGSU JINSHAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Abstract

The invention discloses an iron-carbon micro-electrolysis Fenton oxidation reactor, which is characterized by comprising a hydrogen peroxide storage tank (1), wherein the outlet of the hydrogen peroxide storage tank (1) is connected with the inlet of a hydrogen peroxide ejector (3); the outlet of an air inlet pipe (5) is connected with the inlet of an air ejector (4); the outlet of the hydrogen peroxide ejector (3), the outlet of the air ejector (4) and a water inlet pipe (6) are connected to one end of a drum (7); the other end of the drum (7) is provided with a water outlet pipe (10); and an iron-carbon filler is arranged in the drum (7). The equipment integrates a micro-electrolysis method with a chemical oxidation method, has the advantages of small occupied area, low cost and modular design, is compact, is convenient to operate, and is particularly suitable for treating toxic, harmful and non-biodegradable wastewater such as integrated circuit wastewater, printing and dyeing wastewater, pigment wastewater, medicine wastewater, pesticide wastewater and the like.

Description

Iron-carbon micro-electrolysis Fenton oxidation reactor
Technical field
The invention belongs to technical field of waste water processing, specifically a kind of device that adopts little electrolysis and chemical oxidation to combine to handle waste water.
Background technology
Along with society constantly increases material demand, the industrial processes development of manufacturing, product association great amount of wastewater such as all kinds of chemical industry, medicine bioengineering, high-end electronics produce, and wherein are no lack of waste water, waste liquid that pair human health poisonous and harmful and difficult degradation are arranged and produce.The physico-chemical process of handling above-mentioned waste water has chemical oxidization method, wet oxidation process, various catalytic oxidation, supercritical oxidation process, burning method etc., and the biochemical method of handling above-mentioned waste water has anaerobic process, SBR method, special efficacy engineering bacteria edman degradation Edman etc.Some method reaction time is longer, and the higher or service temperature of some method cost, pressure are higher.Still it is low to lack cost at present, the physical chemistry that normal temperature and pressure, reaction time are short or the equipment of biochemical method.
Summary of the invention
The object of the invention is exactly the deficiency to above-mentioned prior art, and a kind of compact construction, floor space is little, cost is low, effective iron-carbon micro-electrolysis Fenton oxidation reactor are provided.
The technical scheme that the present invention adopts is following:
A kind of iron-carbon micro-electrolysis Fenton oxidation reactor; It is characterized in that it comprises the hydrogen peroxide storage tank; Said hydrogen peroxide storage tank outlet connects the import of hydrogen peroxide ejector, and the outlet of inlet pipe connects the import of airstream device, and the outlet of hydrogen peroxide ejector, airstream device and water inlet pipe all are connected to rotary drum one end; The other end of rotary drum is provided with rising pipe, is placed with the iron carbon filler in the said rotary drum.
Said rotary drum body is provided with the waist gear, transmitting gear and waist toothing, and transmitting gear rotates through waist gear driven rotary drum.
Said rising pipe is provided with the back flushing water pipe.
Said rotary drum below is provided with two groups of thrust wheels.
Said rotary drum inside is separated into a plurality of chambers by the porous plectane, plate perforate in the center of said two blocks of adjacent porous plectanes, then another piece porous plectane its outer edges place's perforate.
Said drum inner wall is evenly distributed with the polylith flight.
The outlet of hydrogen peroxide storage tank connects the import of hydrogen peroxide ejector through conduit.
The outlet of said hydrogen peroxide ejector, airstream device and water inlet pipe all are connected to rotary drum one end center, and said rising pipe is connected rotary drum the other end center.
The iron carbon filler that 50~70% volume ratios are arranged in the said rotary drum.
The inlet channel of said hydrogen peroxide ejector, airstream device is provided with force (forcing) pump.
Beneficial effect of the present invention has:
Cluster tool little electrolysis and two kinds of methods of chemical oxidation, it is little to have floor space, facility compact; Cost is low; Easy to operate, but the strong point of modular design especially is applicable to unicircuit waste water; Printing and dyeing, pigment wastewater, the processing of poisonous and harmful such as medicine, agricultural chemicals waste water and bio-refractory waste water.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is I among Fig. 1-I cross-sectional view.
Fig. 3 is II among Fig. 1-II cross-sectional view.
Fig. 4 is III among Fig. 1-III cross-sectional view.
Embodiment
Below in conjunction with accompanying drawing the present invention is done explanation further:
As shown in Figure 1, hydrogen peroxide storage tank 1 outlet of the present invention connects 3 imports of hydrogen peroxide ejector through conduit 2.The outlet of inlet pipe 5 connects the import of airstream device 4, and the outlet of hydrogen peroxide ejector 3, airstream device 4 and water inlet pipe 6 all are connected to rotary drum 7 one end centers, are connected with rising pipe 10 in rotary drum 7 the other end centers.Be placed with the iron carbon filler of 50~70% volume ratios in the rotary drum 7.On rotary drum 7 cylindrical shells, be provided with waist gear 11, transmitting gear 12 drives rotary drum 7 through waist gear 11 and rotates with waist gear 11 engagements, transmitting gear 12.Said rotary drum 7 belows are provided with two groups of thrust wheels 13, to support the weight of rotary drum 7.
Rotary drum 7 inwalls of the present invention are evenly distributed with polylith flight 14, and flight 14 can stir the generation displacement with the iron carbon filler in the rotary drum 7 when rotary drum 7 rotated, and prevented that the iron carbon filler is fixed, and waste water is contacted well with the iron carbon filler.
Rotary drum of the present invention 7 inside are separated into a plurality of chambers by porous plectane 8; Shown in Fig. 2-4,8 plate perforates of two blocks of adjacent porous plectanes, then another piece porous plectane 8 its outer edges place perforates in the center; Form the intersection perforate like this, be convenient to waste water in rotary drum 7 inner flowing and reaction.
Rising pipe 10 of the present invention is provided with back flushing water pipe 9, and rising pipe 10 outlet water outlets and recoil state are controlled respectively by three valves 16.The inlet channel of hydrogen peroxide ejector 3, airstream device 4 is provided with force (forcing) pump 15; And control selection through two valves 17 hydrogen peroxide ejector 3 and/or airstream device 4 are pressurizeed, the jet of hydrogen peroxide ejector 3 and airstream device 4 is obtained with force (forcing) pump 15 pressurizations by waste water.
The reaction time of waste water of the present invention in rotary drum 7 0.5~1 hour, H 2O 2Concentration 2 ‰~1%.The rotating speed of rotary drum 7 is that PM 10~30 changes.
The present invention combines iron-carbon micro-electrolysis and Fenton oxidation technology, and two kinds of current potential different substancess of iron carbon form galvanic cell in ionogen (waste water), and electrophoresis takes place in electric microfield charged contaminants in the waste water, redox reaction takes place on electrode produce Fe 2+Physical and chemical processes such as redox reaction, flocculation sediment co-precipitation further take place again in [H] active ion.The Fe that little electrolysis produces 2+Be combined into Fenton oxidizing reaction sufficient and necessary condition as catalyzer and hydrogen peroxide.The Fenton oxidizing reaction promotes the group degraded of some difficult degradation pollutent in the waste water again.
The undeclared part of other that the present invention relates to is identical with prior art.

Claims (10)

1. iron-carbon micro-electrolysis Fenton oxidation reactor; It is characterized in that it comprises hydrogen peroxide storage tank (1); Said hydrogen peroxide storage tank (1) outlet connects hydrogen peroxide ejector (3) import; The outlet of inlet pipe (5) connects the import of airstream device (4); The outlet of hydrogen peroxide ejector (3), airstream device (4) and water inlet pipe (6) all are connected to rotary drum (7) one ends, and the other end of rotary drum (7) is provided with rising pipe (10), and said rotary drum is placed with the iron carbon filler in (7).
2. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1; It is characterized in that said rotary drum (7) cylindrical shell is provided with waist gear (11); Transmitting gear (12) and waist gear (11) engagement, transmitting gear (12) drives rotary drum (7) through waist gear (11) and rotates.
3. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1 is characterized in that said rising pipe (10) is provided with back flushing water pipe (9).
4. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1 is characterized in that said rotary drum (7) below is provided with two groups of thrust wheels (13).
5. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1; It is characterized in that said rotary drum (7) inside is separated into a plurality of chambers by porous plectane (8); (8) plate perforates of said two blocks of adjacent porous plectanes, then another piece porous plectane (8) its outer edges place perforate in the center.
6. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1 is characterized in that said rotary drum (7) inwall is evenly distributed with polylith flight (14).
7. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1 is characterized in that hydrogen peroxide storage tank (1) outlet connects hydrogen peroxide ejector (3) import through conduit (2).
8. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1; The outlet and the water inlet pipe (6) that it is characterized in that said hydrogen peroxide ejector (3), airstream device (4) all are connected to rotary drum (7) one end centers, and said rising pipe (10) is connected rotary drum (7) the other end center.
9. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1 is characterized in that having in the said rotary drum (7) the iron carbon filler of 50~70% volume ratios.
10. iron-carbon micro-electrolysis Fenton oxidation reactor according to claim 1 is characterized in that the inlet channel of said hydrogen peroxide ejector (3), airstream device (4) is provided with force (forcing) pump (15).
CN201110144555XA 2011-05-31 2011-05-31 Iron-carbon micro-electrolysis fenton oxidation reactor Active CN102190389B (en)

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Publication number Priority date Publication date Assignee Title
CN103539293A (en) * 2013-09-25 2014-01-29 安徽省绿巨人环境技术有限公司 High-efficiency iron carbon-Fenton combined reactor for high-concentration organic wastewater pretreatment
CN108341545A (en) * 2017-01-22 2018-07-31 东莞新科技术研究开发有限公司 The processing method of industrial wastewater
CN106976935A (en) * 2017-05-19 2017-07-25 杭州绿夏环境科技有限公司 Swinging iron-carbon micro-electrolysis reactor and method of wastewater treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1789155A (en) * 2004-12-15 2006-06-21 中国科学院生态环境研究中心 Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis
CN101096279A (en) * 2006-06-28 2008-01-02 武汉长航给排水环境节能设备成套工程公司 Multifunctional critical multiple catalyzing electrolysis set equipment
EP2107140A1 (en) * 2008-03-31 2009-10-07 Grupo Antolin Ingenieria, S.A. Procedure for the elimination of polycyclic aromatic hydrocarbons and other volatile and semi-volatile compounds in carbon nanofibres
CN202054696U (en) * 2011-05-31 2011-11-30 江苏金山环保科技有限公司 Iron-carbon micro-electrolysis fenton oxidation reactor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1789155A (en) * 2004-12-15 2006-06-21 中国科学院生态环境研究中心 Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis
CN101096279A (en) * 2006-06-28 2008-01-02 武汉长航给排水环境节能设备成套工程公司 Multifunctional critical multiple catalyzing electrolysis set equipment
EP2107140A1 (en) * 2008-03-31 2009-10-07 Grupo Antolin Ingenieria, S.A. Procedure for the elimination of polycyclic aromatic hydrocarbons and other volatile and semi-volatile compounds in carbon nanofibres
CN202054696U (en) * 2011-05-31 2011-11-30 江苏金山环保科技有限公司 Iron-carbon micro-electrolysis fenton oxidation reactor

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