CN103508519A - Free-replacement iron-carbon micro-electrolysis water treatment device - Google Patents
Free-replacement iron-carbon micro-electrolysis water treatment device Download PDFInfo
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- CN103508519A CN103508519A CN201310513271.2A CN201310513271A CN103508519A CN 103508519 A CN103508519 A CN 103508519A CN 201310513271 A CN201310513271 A CN 201310513271A CN 103508519 A CN103508519 A CN 103508519A
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Abstract
A free-replacement iron-carbon micro-electrolysis water treatment device comprises a reaction tower, a venturi ejector, a water inlet pipeline, a back washing pipeline used as a water outlet pipeline simultaneously, an air pipeline, a bearing layer and a packing layer; the water outlet end of the venturi ejector is communicated with the water inlet end of the water inlet pipeline; the water inlet pipeline, the back washing pipeline and the air pipeline are arranged at the bottom of the reaction tower; water distribution openings are formed in the water inlet pipeline and the back washing pipeline; air distribution openings are formed in the air pipeline; the bearing layer is arranged inside the reaction tower and positioned above the water inlet pipeline, the back washing pipeline and the air pipeline; an exhaust pipe is arranged at the top of the reaction tower; a back washing water drainage pipe is arranged on the side wall above the packing layer; the part positioned outside the reaction tower, of the back washing pipeline is divided into a back washing branch with a gate valve and a water draining branch with a water discharge valve through a three-way valve. The iron-carbon micro-electrolysis water treatment device has the benefits that the utilization ratio of the ozone is improved, the chemical oxygen demand is effectively degraded, a wastewater B/C value is improved, and the follow-up biochemical treatment can be more effective.
Description
Technical field
The present invention relates to a kind of free of replacement sections carbon micro-electrolysis water treatment device.
Background technology
Along with the development that urban industry is produced, industrial production wastewater quantity discharged increases day by day, and kind of waste water is more complicated.Appearance along with new unmanageable trade effluent, some new water technologies have obtained application and development, as Wet Catalytic Oxidation Method, supercritical Water Oxidation Technology, Fenton reagent method, electroosmose process etc., some new reaction units are developed simultaneously, and application is actual in water treatment.Sewage disposal device is the core of sewage treatment project, is also one of major portion of construction investment.Practice shows, in technique, the upgrading of key equipment can make facility working efficiency and treatment effect be significantly improved, and running cost is effectively reduced, and the improvement of equipment can promote the development and improvement for the treatment of process.
Although Fe-C Micro Electrolysis Method is as far back as 20 century 70s, just in water treatment field, apply to some extent, also there is scholar to develop to tap a blast furnace the micro-electrolysis process of carbon bed, process acid organic waste water, effect is desirable especially, but moves after several months at micro-electrolysis tower, and treatment effect declines.The passivation of iron carbon bed, harden, iron mud stops up these problems and be difficult to solve, although back flushing can suitably slow down iron mud, stops up, and cannot solve the problem of decrease in efficiency.So need the filler often more renewing, cost for wastewater treatment increased.
Summary of the invention
The present invention is directed to current iron-carbon micro-electrolysis water treatment device needs often to change filler, problem that production efficiency is low, has proposed a kind of without changing filler, the free of replacement sections carbon micro-electrolysis water treatment device that easy to use, production efficiency is high.
Free of replacement sections carbon micro-electrolysis water treatment device of the present invention, it is characterized in that: comprise reaction tower, Venturi ejector, suction culvert, double counter-flushing pipeline, airline, supporting layer, the packing layer of doing outlet pipeline, the described water side of Venturi ejector and the feed-water end of suction culvert are communicated with; Described suction culvert, described counter-flushing pipeline and described airline are distributed in the bottom of reaction tower, on described suction culvert and described counter-flushing pipeline with on water distribution mouth, described airline with cloth gas port; Described supporting layer is arranged in reaction tower inside and is positioned at the top of suction culvert, counter-flushing pipeline, airline; Described packing layer is placed on supporting layer; The top of described reaction tower arranges the vapor pipe of external device for absorbing tail gas, the sidewall that is positioned at packing layer top is provided with back flushing water shoot; The inlet mouth of described airline is communicated with the air outlet of gas blower; Described suction culvert, counter-flushing pipeline and cross current; The part that described counter-flushing pipeline is positioned at outside reaction tower is divided into and is furnished with gate valve back flushing branch road and is furnished with water drain valve draining branch road by threeway.
The water-in of described suction culvert and described airline inlet mouth place are all furnished with check valve.
Described suction culvert is provided with a set of synergistic nozzle, the position of described synergistic nozzle be positioned at packing layer under.
Be positioned at all reticulated structures for being formed by a main and some radial arms of the described suction culvert of reaction tower inside, described counter-flushing pipeline and described airline, whole described suction culvert, counter-flushing pipeline are distributed in the top of described airline, are connected to macropore aeration head on the arm of described airline.
Described packing layer is by cylindrical barrel and be placed in the cruciform media assemblage in bucket.
The material of described cylindrical barrel is PVC.
Described filler adopts iron powder, carbon dust the RuO that adulterates
2the rectangle of (massfraction of Ru is 0.5%) mixing moulding sintering growth 40cm, wide 20cm is also put up the filler of cross.
The diameter of described vapor pipe is suction culvert diameter, airline diameter 4 times.
Described back flushing water shoot is arranged on reaction tower and normally moves the above 0.5m of liquid level place, and the caliber of described back flushing water shoot is 2 times of caliber that are positioned at the counter-flushing pipeline of reaction tower inside.
Working process: waste water is from the water inlet of suction culvert at the bottom of tower, after Venturi ejector, ozone and waste water enter reaction tower after fully being mixed, mixed solution spreads to radial arm from the main of suction culvert at reaction tower, by the synergistic nozzle on suction culvert, in reaction tower, carry out jet, the energy that the secondary jet of synergistic nozzle provides by water pump, in reaction tower, form the impellent that is equivalent to 5 times of flows of water pump, upwards impact filler, upwards flowed in gap into water along filler, after flowing out filler, along the space between cylindrical barrel, flow downward again, make to process above and circulated in reaction tower, thereby improve the utilising efficiency of ozone, the water outlet of handling well by draining branch road enters knot backflow pool through double after doing the counter-flushing pipeline of discharge pipe line along the water distributing pore on discharge pipe line, by water inlet pipe, intake again, after backflow certain hour, water outlet enters coagulative precipitation tank, reaches sewage and receives after pipe standards and discharge pipe network, , open gate valve herein, close water drain valve, to remove the throw out in reaction tower, maintain normal processing efficiency, the airline that is positioned at suction culvert and counter-flushing pipeline below pass into by gas blower out have a pressure air, then enter the airline main in reaction tower, main is evenly distributed to arm again, is connected to macropore aeration head on airline arm, regularly back flushing by independent gas flushing, combined water and air backwash, wash three processes separately and form, backwashing period is determined according to water quality parameter, back flushing water outlet is processed by back flushing water shoot coagulating sedimentation, in reaction tower, residual gas is discharged into external device for absorbing tail gas by exhaust line.
The invention has the beneficial effects as follows: adopt the iron carbon filler after modification, the iron ion (Fe that utilizes micro-electrolysis to produce
2+) strengthening ozonation, not only improved the utilization ratio of ozone, the chemical oxygen demand (COD) of can also effectively degrading (COD), obviously improve waste water B/C (ratio of biochemical oxygen demand (BOD) and chemical oxygen demand (COD)) value, make follow-up biochemical treatment more effective.
Accompanying drawing explanation
Fig. 1 is structure iron of the present invention.
Fig. 2 is the structural representation of cruciform 3-D filler of the present invention.
Fig. 3 is packing layer cylindricality bucket array schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, further illustrate the present invention
With reference to accompanying drawing:
The water-in of described suction culvert 3 and described airline 5 inlet mouth places are all furnished with check valve 8.
Described suction culvert 3 is provided with a set of synergistic nozzle, the position of described synergistic nozzle be positioned at packing layer 7 under.
Be positioned at all reticulated structures for being formed by a main and some radial arms of the described suction culvert 3 of reaction tower 1 inside, described counter-flushing pipeline 4 and described airline 5, whole described suction culvert 3, counter-flushing pipeline 4 are distributed in the top of described airline 5, on the arm of described airline 5, are connected to macropore aeration head.
Described packing layer 7 is by cylindrical barrel and be placed in the cruciform media assemblage in bucket.
The material of described cylindrical barrel is PVC.
Described filler adopts iron powder, carbon dust the RuO that adulterates
2the rectangle of (massfraction of Ru is 0.5%) mixing moulding sintering growth 40cm, wide 20cm is also put up the filler of cross.
The diameter of described vapor pipe 11 is suction culvert diameter, airline diameter 4 times.
Described back flushing water shoot 12 is arranged on the normal operation of the reaction tower 1 above 0.5m of liquid level place, and the caliber of described back flushing water shoot 12 is 2 times of caliber that are positioned at the counter-flushing pipeline 4 of reaction tower inside.
Working process: reaction tower 1 inner diameter D is 3m, total tower height 4.5m, waste water is from suction culvert 3 water inlets, after Venturi ejector 2, ozone and waste water enter reaction tower 1 after fully being mixed, mixed solution spreads to radial arm from the main of suction culvert 3 at reaction tower 1, by the synergistic nozzle on suction culvert 3, in reaction tower, carry out jet, the energy that the secondary jet of synergistic nozzle provides by water pump, the impellent that is equivalent to 5 times of flows of water pump in the interior formation of reaction tower 1, upwards impact filler, upwards flowed in gap into water along filler, after flowing out filler, along the space between cylindrical barrel, flow downward again, make to process above and circulated in reaction tower 1, (thereby the filler in packing layer is with iron powder to the utilising efficiency of raising ozone, carbon dust other element mixing moulding sintering growth 40cm that adulterates, the rectangle of wide 20cm, then putting up cross obtains), the water outlet of handling well by draining branch road 42 enters knot backflow pool through double after doing the counter-flushing pipeline 4 of discharge pipe line 3 along the water distributing pore on discharge pipe line, by water inlet pipe, intake again, after backflow certain hour, water outlet enters coagulative precipitation tank, reaches sewage and receives after pipe standards and discharge pipe network, , open gate valve herein, close water drain valve, to remove the throw out in reaction tower 1, maintain normal processing efficiency, the airline 5 that is positioned at suction culvert 3 and counter-flushing pipeline 4 belows pass into by gas blower out have a pressure air, then enter the airline main in reaction tower 1, main is evenly distributed to arm again, on airline 5 arms, is connected to macropore aeration head, regularly back flushing by independent gas flushing, combined water and air backwash, wash three processes separately and form, backwashing period is determined according to water quality parameter, back flushing water outlet is processed by back flushing water shoot 12 coagulating sedimentation, the interior residual gas of reaction tower 1 is discharged into external device for absorbing tail gas by exhaust line 11.
Embodiment below 2 for the free of replacement sections carbon micro-electrolysis water treatment device of Fig. 1 carries out pilot scale in laboratory, the difficult biodegradable wastewater from chemical industry of pilot scale waste water, pilot scale wastewater treatment capacity is 9m
3, ozone dosage is 20mg/L, and hydraulic detention time is 2h, and in device, waste water circulates by the corrosion-resistant sump pump of PWF type.BOD before and after processing
5, COD(biochemical oxygen demand (BOD), chemical oxygen demand (COD)) as shown in the table.
| ? | COD(mg/L) | BOD 5(mg/L) | pH |
| Former water | 4790 | 158 | 4.57 |
| Water outlet | 2970 | 505 | 3.95 |
Content described in this specification sheets embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the specific form that embodiment states, protection scope of the present invention also comprises that those skilled in the art conceive the equivalent technologies means that can expect according to the present invention.
Claims (9)
1. free of replacement sections carbon micro-electrolysis water treatment device, it is characterized in that: comprise reaction tower, Venturi ejector, suction culvert, double counter-flushing pipeline, airline, supporting layer, the packing layer of doing outlet pipeline, the described water side of Venturi ejector and the feed-water end of suction culvert are communicated with; Described suction culvert, described counter-flushing pipeline and described airline are distributed in the bottom of reaction tower, on described suction culvert and described counter-flushing pipeline with on water distribution mouth, described airline with cloth gas port; Described supporting layer is arranged in reaction tower inside and is positioned at the top of suction culvert, counter-flushing pipeline, airline; Described packing layer is placed on supporting layer; The top of described reaction tower arranges the vapor pipe of external device for absorbing tail gas, the sidewall that is positioned at packing layer top is provided with back flushing water shoot; The inlet mouth of described airline is communicated with the air outlet of gas blower; Described suction culvert, counter-flushing pipeline and cross current; The part that described counter-flushing pipeline is positioned at outside reaction tower is divided into and is furnished with gate valve back flushing branch road and is furnished with water drain valve draining branch road by threeway.
2. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 1, is characterized in that: the water-in of described suction culvert and described airline inlet mouth place are all furnished with check valve.
3. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 2, is characterized in that: described suction culvert is provided with a set of synergistic nozzle, the position of described synergistic nozzle be positioned at packing layer under.
4. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 3, is characterized in that: the material of described cylindrical barrel is PVC.
5. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 4, is characterized in that: described filler adopts iron powder, carbon dust the RuO that adulterates
2the rectangle of mixing moulding sintering growth 40cm, wide 20cm is also put up the filler of cross, and wherein the massfraction of Ru is 0.5%.
6. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 5, it is characterized in that: be positioned at all reticulated structures for being formed by a main and some radial arms of the described suction culvert of reaction tower inside, described counter-flushing pipeline and described airline, whole described suction culvert, counter-flushing pipeline are distributed in the top of described airline, are connected to macropore aeration head on the arm of described airline.
7. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 5, is characterized in that: described packing layer is by cylindrical barrel and be placed in the cruciform media assemblage in bucket.
8. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 5, is characterized in that: the diameter of described vapor pipe is suction culvert diameter, airline diameter 4 times.
9. free of replacement sections carbon micro-electrolysis water treatment device as claimed in claim 5, it is characterized in that: described back flushing water shoot is arranged on reaction tower and normally moves the above 0.5m of liquid level place, and the caliber of described back flushing water shoot is 2 times of caliber that are positioned at the counter-flushing pipeline of reaction tower inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310513271.2A CN103508519B (en) | 2013-10-25 | 2013-10-25 | Free-replacement iron-carbon micro-electrolysis water treatment device |
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| CN201310513271.2A CN103508519B (en) | 2013-10-25 | 2013-10-25 | Free-replacement iron-carbon micro-electrolysis water treatment device |
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| CN103508519A true CN103508519A (en) | 2014-01-15 |
| CN103508519B CN103508519B (en) | 2015-04-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961281A (en) * | 2015-07-16 | 2015-10-07 | 江苏大学 | Three-dimensional electrochemical high-concentration wastewater treatment device |
| CN105329987A (en) * | 2015-11-24 | 2016-02-17 | 苏州博创环保科技有限公司 | Self-catalytic oxidation device |
| CN109851104A (en) * | 2019-02-21 | 2019-06-07 | 北京伟创力科技股份有限公司 | A kind of oil gas field high slat-containing wastewater processing method and equipment |
| CN110642364A (en) * | 2019-10-25 | 2020-01-03 | 哈尔滨工创环保科技有限公司 | Device for catalytic oxidation of coal chemical wastewater by using suspension catalyst |
Citations (5)
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| CN2523755Y (en) * | 2001-12-03 | 2002-12-04 | 浙江省环境保护科学设计研究院 | Continuous micro-electrolytic bed |
| KR100490307B1 (en) * | 2004-10-28 | 2005-05-18 | 엔비넷 주식회사 | Ferrous electroresolving apparatus for wastewater treatment and wastewater treatment system using thereof |
| CN101693579A (en) * | 2009-10-16 | 2010-04-14 | 同济大学 | Method for processing high-concentration wastewater containing alkaline mud |
| CN202054648U (en) * | 2011-06-01 | 2011-11-30 | 杭州朗利环保工程有限公司 | Iron-carbon micro-electrolysis equipment of filling fluidized bed |
| CN202156946U (en) * | 2011-08-11 | 2012-03-07 | 苏州得润水处理科技有限公司 | Fe-C micro electrolysis reactor |
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2013
- 2013-10-25 CN CN201310513271.2A patent/CN103508519B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523755Y (en) * | 2001-12-03 | 2002-12-04 | 浙江省环境保护科学设计研究院 | Continuous micro-electrolytic bed |
| KR100490307B1 (en) * | 2004-10-28 | 2005-05-18 | 엔비넷 주식회사 | Ferrous electroresolving apparatus for wastewater treatment and wastewater treatment system using thereof |
| CN101693579A (en) * | 2009-10-16 | 2010-04-14 | 同济大学 | Method for processing high-concentration wastewater containing alkaline mud |
| CN202054648U (en) * | 2011-06-01 | 2011-11-30 | 杭州朗利环保工程有限公司 | Iron-carbon micro-electrolysis equipment of filling fluidized bed |
| CN202156946U (en) * | 2011-08-11 | 2012-03-07 | 苏州得润水处理科技有限公司 | Fe-C micro electrolysis reactor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961281A (en) * | 2015-07-16 | 2015-10-07 | 江苏大学 | Three-dimensional electrochemical high-concentration wastewater treatment device |
| CN105329987A (en) * | 2015-11-24 | 2016-02-17 | 苏州博创环保科技有限公司 | Self-catalytic oxidation device |
| CN109851104A (en) * | 2019-02-21 | 2019-06-07 | 北京伟创力科技股份有限公司 | A kind of oil gas field high slat-containing wastewater processing method and equipment |
| CN110642364A (en) * | 2019-10-25 | 2020-01-03 | 哈尔滨工创环保科技有限公司 | Device for catalytic oxidation of coal chemical wastewater by using suspension catalyst |
| CN110642364B (en) * | 2019-10-25 | 2022-01-07 | 哈尔滨工创环保科技有限公司 | Device for catalytic oxidation of coal chemical wastewater by using suspension catalyst |
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| CN103508519B (en) | 2015-04-22 |
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Effective date of registration: 20191211 Address after: 210000 No. 168 Shuanggao Road, Gaochun Economic Development Zone, Nanjing City, Jiangsu Province (Yangjiang Industrial Park) Patentee after: Nanjing zhaofengyuan Environmental Protection Technology Co., Ltd. Address before: 310014 Hangzhou city in the lower reaches of the city of Zhejiang Wang Road, No. 18 Patentee before: Zhejiang University of Technology |
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Granted publication date: 20150422 Termination date: 20201025 |