CN1789155A - Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis - Google Patents
Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis Download PDFInfo
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- CN1789155A CN1789155A CN 200410098587 CN200410098587A CN1789155A CN 1789155 A CN1789155 A CN 1789155A CN 200410098587 CN200410098587 CN 200410098587 CN 200410098587 A CN200410098587 A CN 200410098587A CN 1789155 A CN1789155 A CN 1789155A
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Abstract
A continuous rotating drum device of microelectrolyzing wastewater, belonging to a psychico-chemical treating device for degrading or removing the organic pollutant in wastewater. The main body of the device is a reacting pool and a continuous rotating drum placed horizontally in the pool, a baffle board is instilled in the continuous rotating drum, separating which into several parts, uniformly mixed iron scurf and activated charcoal is filled in the continuous rotating drum, the continuous rotating drum is anchored by adjustable speed motor. The rotary motion of the rotating drum makes the microelectrolyzing electrical field formed by the place of between the iron scurf and activated charcoal and iron charcoalf occur dural shift, which prevents the iron charcoal bed from clogging and lumping effectively. The device is characterized by the simple and rational structure, low producing cost, safe and simple operation and low running cost, which can be widely used to treat the non-degradable organic pollutant in wastewater and increase the wastewater biochemical property. The COD of textile dye waste clearance by using the device is high.
Description
1. technical field
The present invention relates to the treatment unit of a kind of trade effluent and sanitary sewage, especially to treatment unit coloured, the difficult for biological degradation organic pollutant.
2. background technology
For Industrial Wastewater Treatment coloured, difficult degradation, common biological treatment does not often reach expected effect, and adopting usually now increases pretreated measure before biological treatment.The iron filings micro-electrolysis method also claims internal electrolysis, is a kind of important pretreatment process in the wastewater treatment.
The iron filings micro-electrolysis method is that multiple physics, chemical actions such as a kind of current collection is separated, coagulation, electricity flocculation, absorption are in the method for wastewater treatment of one.By the noble potential of iron filings iron in the aqueous solution with wherein form potential difference between the low potential of charcoal, produce countless small galvanic cells, nascent state H, Fe that electrode reaction generates
2+Have stronger reducing power, can make the ring-type of difficult degradation or have the organic pollutant chain rupture of unsaturated link(age), generate the organism of phase commute degraded, coloring matter in the water and Persistent organic pollutants are played the good treatment effect.Iron loses the nascent state Fe that produces behind the electronics
2+Good absorption coagulation activity is arranged, can remove organic pollutant and colloidalmaterial in the water effectively.
Because the charcoal in the iron filings is fewer, in order to increase negative electrode, improves little electrolysis effectiveness, people have added gac again, form countless microbatterys and macro etch battery, form electrolysis in the iron charcoal, and gac does not consume as negative electrode, but life-time service.Because electrolysis does not need impressed current in the iron charcoal, and is with low cost, play the purpose of the treatment of wastes with processes of wastes against one another again, be widely used in field of waste water treatment in recent years.
Can hinder the further reaction of iron anode at some oxidations of iron filings surface deposition, reduzate after the electrolysis long-time running in the iron charcoal, and make between the iron filings and to block flowing of water by caking mutually, treatment effect descends.The little electrolysis of common iron filings all exists reaction column obstruction, iron filings caking, filler to change difficult problem, methods such as the logical pressurized air backwash of the general employing of people, acid regeneration, but often relatively more difficult in actually operating, effect improved little.People such as Shen Bin have invented bed electrolysis in the cylinder, and the iron charcoal is mixed the back in waste water is contained in cylinder, rotate, but because the processing water yield is more, bigger to the consumption of electric energy.
3. summary of the invention
The object of the present invention is to provide a kind of rotary drum micro-electrolysis reaction device that is used for wastewater treatment, it can be handled the Persistent organic pollutants in the waste water effectively, dynamic action with minimum, both overcome the problem that reaction column obstruction, iron filings lump, can change iron-carbon filling material easily simultaneously.
Technical scheme of the present invention is formed treatment unit by reaction tank and rotary drum, iron filings, gac are mixed in the rotary drum of packing into, rotary drum rotates and drives the rotation of iron charcoal, make the little electrolysis electric field that forms between position between iron filings and the gac and the iron charcoal that dual displacement take place, prevent the obstruction caking of iron and carbon bed effectively.Processed waste water reacts with the iron charcoal that rotates in reaction tank, and organic pollutant is wherein effectively degraded.In order to improve treatment effect, can adopt the method for effluent recycling or secondary, multistage rotary drum.
The structure of apparatus of the present invention is shown in Figure of description 1.Be furnished with water feed apparatus (3), discharging device (4) in the both sides of reaction tank (1), rotary drum (2) lies in a horizontal plane in the top or the middle part of reaction tank (1).Rotary drum is filled with iron-carbon filling material in (2), and rotary drum evenly has eyelet on (2), and there is the plug (6) of band rotating shaft (5) at rotary drum (2) two, and rotating shaft (5) one ends are fixed on reaction tank (1) inwall, and an end links to each other with buncher by shaft coupling.
Rotary drum in apparatus of the present invention (2) is shown in Figure of description 2.Rotary drum (2) cross section is cylindrical or the regular polygon structure, in have dividing plate (7) that rotary drum (2) is evenly separated, be furnished with one deck 40～60 purpose filter screens (9) and one deck 10～20 purpose filter screens (8) between dividing plate (7) and rotary drum (2).There are 6 to strengthen gusset (10) on the dividing plate (7).Iron filings and gac are seated in the space of being separated by dividing plate (7) in the rotary drum (2) after mixing evenly in 1: 1 by volume～1: 4, and admission space is 1/3～4/5 of the useful space.
Rotary drum dividing plate (7) is shown in Figure of description 3 in apparatus of the present invention.Rotary drum dividing plate (7) is cylindrical or the regular polygon thin slice, is furnished with 6 on it and strengthens gusset (10).
Operating process of the present invention is: processed waste water enters reaction tank (1) from water feed apparatus (3), in reaction tank (1) with rotary drum (2) in iron-carbon filling material have an effect, rotary drum (2) rotates under the drive of motor and waste water solution mixes, water after the processing is discharged by discharging device (4), enters next step operating unit.
Characteristics of the present invention are simple in structure, and manufacturing cost and working cost are low, and operational safety is simple.Micro-electrolysis reaction is spontaneous carrying out in the rotary drum type reaction apparatus for waste water treatment by micro-electrolysis, need not consumes energy, and the treatment of wastes with processes of wastes against one another can be handled multiple organic pollutant simultaneously, general preprocessing means as the bio-refractory organic pollutant wastewater.Dual displacement takes place in the iron charcoal of filling in the rotary drum in mechanism, prevented from caking, and also rotary drum can be changed easily.Motor only drives iron filings, active carbon filler rotates, and power consumption is very low.
4. description of drawings
Figure of description 1 rotary drum micro-electrolysis reaction device synoptic diagram
Figure of description 2 rotary drum synoptic diagram
Figure of description 3 rotary drum dividing plate synoptic diagram
5. embodiment
Embodiment 1
The red B azoic dyestuff of weak acid simulated wastewater, starting point concentration 1700mg/L, pH3.39, rotating speed are 15rpm, and behind the processing 180min, the COD clearance is 86.5%, and chroma removal rate is 98.21%.
Embodiment 2
The red B azoic dyestuff of weak acid simulated wastewater, starting point concentration 1004mg/L, pH5.51, rotating speed are 15rpm, and behind the processing 180min, the COD clearance is 62.26%, and chroma removal rate is 83.72%.
Acid Orange II azoic dyestuff simulated wastewater, starting point concentration 1000mg/L, pH4.99, rotating speed are 14rpm, and behind the processing 180min, the COD clearance is 57.53%, and chroma removal rate is 62.93%.
Embodiment 4
Acid Orange II azoic dyestuff simulated wastewater, starting point concentration 1000mg/L, pH9.93, rotating speed are 12.8rpm, and behind the processing 180min, the COD clearance is 68.44%, and chroma removal rate is 85.68%.
Claims (6)
1, a kind of rotary drum type reaction apparatus for waste water treatment by micro-electrolysis mainly is made up of reaction tank (1) and rotary drum wherein (2).Be furnished with water feed apparatus (3), discharging device (4) on the reaction unit, rotary drum (2) lies in a horizontal plane in the top or the middle part of reaction tank (1).Rotary drum evenly has eyelet on (2), and there is the plug (6) of band rotating shaft (5) at rotary drum (2) two, and rotating shaft (5) one ends are fixed on reaction tank (1) inwall, and an end links to each other with buncher by shaft coupling.
2, according to the described rotary drum type reaction apparatus for waste water treatment by micro-electrolysis of claim 1, it is characterized in that, there is dividing plate (7) that rotary drum (2) is evenly separated in the rotary drum (2), is furnished with one deck 40～60 purpose filter screens (9), one deck 10～20 purpose filter screens (8) between dividing plate (7) and rotary drum (2).There are 6 to strengthen gusset (10) on the dividing plate (7).Iron filings and gac were seated in behind the mixing in the space of being separated by dividing plate (7) in the rotary drum (2) in 1: 1 by volume～1: 4, and admission space is 1/3～4/5 of the useful space.
3, described according to claim 1 or 2, it is characterized in that the long-time reaction of rotary drum (2) back iron filings loss can replenish by changing rotary drum (2).
4, described according to claim 2, it is characterized in that, used iron filings can be cast iron filings, also sponge iron, iron and steel, copper, zinc, aluminium or their combination, and used gac also can be coke, coal, flyash, zeolite, rare earth, carbide slag or their combination.
According to the described device of claim 1, it is characterized in that 5, reaction unit also can adopt secondary or multistage rotary drum operation scheme.
6, described according to claim 1, it is characterized in that reaction unit can be removed inorganicss such as organic pollutant in the water and chromium, cadmium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410098587 CN1789155A (en) | 2004-12-15 | 2004-12-15 | Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410098587 CN1789155A (en) | 2004-12-15 | 2004-12-15 | Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis |
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| CN1789155A true CN1789155A (en) | 2006-06-21 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979330A (en) * | 2010-11-19 | 2011-02-23 | 上海交通大学 | Drum-type micro-electrolysis reaction device and water treatment method thereof |
| CN102167424A (en) * | 2011-01-21 | 2011-08-31 | 重庆大学 | U-shaped flow treatment method for saliferous hardly degraded organic wastewater |
| CN102190389A (en) * | 2011-05-31 | 2011-09-21 | 江苏金山环保科技有限公司 | Iron-carbon micro-electrolysis fenton oxidation reactor |
| CN102992484A (en) * | 2012-12-18 | 2013-03-27 | 陈西安 | Micro-charge sewage treatment method |
| CN103523869A (en) * | 2012-07-06 | 2014-01-22 | 刘辉 | Rotary-drum high-voltage pulse electric flocculation device |
| CN104211231A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Method for treating waste liquid of oil field measures |
| CN106430432A (en) * | 2016-09-08 | 2017-02-22 | 张国闽 | Rotational micro electrolytic industrial wastewater treatment device and treatment method |
| 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 |
| CN112093857A (en) * | 2020-08-03 | 2020-12-18 | 优德太湖水务（苏州）有限公司 | Micro-electrolysis hardening prevention method |
| CN117566844A (en) * | 2023-12-26 | 2024-02-20 | 枣庄华宝牧业开发有限公司 | Device for treating cultivation wastewater by using crop straws and application method |
-
2004
- 2004-12-15 CN CN 200410098587 patent/CN1789155A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979330A (en) * | 2010-11-19 | 2011-02-23 | 上海交通大学 | Drum-type micro-electrolysis reaction device and water treatment method thereof |
| CN102167424A (en) * | 2011-01-21 | 2011-08-31 | 重庆大学 | U-shaped flow treatment method for saliferous hardly degraded organic wastewater |
| CN102167424B (en) * | 2011-01-21 | 2012-10-17 | 重庆大学 | U-shaped flow treatment method for saliferous hardly degraded organic wastewater |
| CN102190389A (en) * | 2011-05-31 | 2011-09-21 | 江苏金山环保科技有限公司 | Iron-carbon micro-electrolysis fenton oxidation reactor |
| CN102190389B (en) * | 2011-05-31 | 2012-07-04 | 江苏金山环保科技股份有限公司 | Iron-carbon micro-electrolysis fenton oxidation reactor |
| CN103523869A (en) * | 2012-07-06 | 2014-01-22 | 刘辉 | Rotary-drum high-voltage pulse electric flocculation device |
| CN102992484A (en) * | 2012-12-18 | 2013-03-27 | 陈西安 | Micro-charge sewage treatment method |
| CN104211231A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Method for treating waste liquid of oil field measures |
| CN106430432A (en) * | 2016-09-08 | 2017-02-22 | 张国闽 | Rotational micro electrolytic industrial wastewater treatment device and treatment method |
| 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 |
| CN112093857A (en) * | 2020-08-03 | 2020-12-18 | 优德太湖水务（苏州）有限公司 | Micro-electrolysis hardening prevention method |
| CN117566844A (en) * | 2023-12-26 | 2024-02-20 | 枣庄华宝牧业开发有限公司 | Device for treating cultivation wastewater by using crop straws and application method |
| CN117566844B (en) * | 2023-12-26 | 2024-04-19 | 枣庄华宝牧业开发有限公司 | Device for treating cultivation wastewater by using crop straws and application method |
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