CN201762209U - Integrally combined device for recycling coking wastewater - Google Patents
Integrally combined device for recycling coking wastewater Download PDFInfo
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- CN201762209U CN201762209U CN2010201972737U CN201020197273U CN201762209U CN 201762209 U CN201762209 U CN 201762209U CN 2010201972737 U CN2010201972737 U CN 2010201972737U CN 201020197273 U CN201020197273 U CN 201020197273U CN 201762209 U CN201762209 U CN 201762209U
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Abstract
The utility model relates to an integrally combined device for recycling coking wastewater, comprising pretreatment, a three-dimensional electrolytic oxidation reactor, a membrane bioreactor and reverse osmosis, wherein the pretreatment comprises a mixing tank, a flocculation tank, a settling tank and an air floating tank; the three-dimensional electrolytic oxidation reactor comprises an electrolytic tank, an anode, a cathode, particle electrodes, a water distributing pipeline, a water discharging tank and a gas distributing pipeline; the anode adopts an active carbon fiber electrode or a titanium net electrode; the cathode adopts a stainless steel material; the cathode and the anode are distributed in parallel and in a staggered manner and the particle electrodes are filled between the cathode and the anode; the particle electrodes are third electrodes, comprises active carbon and copper-containing oxides, iron-containing oxides and manganese-containing oxides and are uniformly distributed between the anode and the cathode; the water distributing pipeline and the gas distributing pipeline are arranged at the bottom of the three-dimensional electrolytic oxidation reactor; and the water discharging tank is positioned at the upper part of the three-dimensional electrolytic oxidation reactor and overflows water. The membrane bioreactor adopts an immersed type, and selects an ultrafiltration membrane, and the particle diameter of a membrane hole is 0.1-0.01mum. The membrane bioreactor discharges water and then desalts by the reverse osmosis so as to ensure the discharged water quality to meet the recycling requirements. The integrally combined device for recycling coking wastewater is convenient to implement automatic control, is simple in operation and less in occupied area, enables the wastewater to be recycled, and saves a large amount of water resource, thus realizing zero emission of the coking wastewater.
Description
Technical field
The utility model relates to a kind of Industrial Wastewater Treatment device, is specifically related to a kind of integrated assembly of coking chemical waste water regeneration.
Background technology
The processing of coking chemical waste water, it is one of difficult problem of domestic and international field of waste water treatment always, particularly its complicated component, contain a large amount of recalcitrant substances and the material of bio-toxicity arranged, be difficult to handle with conventional biochemical process, chemical structure that it is stable and bio-toxicity have hindered the metabolism of microorganism.
The treatment process that coking chemical waste water is commonly used has: absorption, coagulating sedimentation, chemical precipitation, air supporting, chemical oxidization method, electrochemical oxidation process and membrane sepn etc.Wherein coagulation-settlement process can reduce the SS in the waste water, but can only remove a part of organism, can not remove deliquescent organism, and exists operation to handle shortcomings such as load is low, effluent quality is poor, reclamation rate is low; It is strong that electrochemical process has the oxidative degradation ability, need not add pharmaceutical chemicals, floor space is little, can carry out at normal temperatures and pressures, simple operation and other advantages, be a kind of advanced technology, do not produce the green technology of secondary pollution, the three-dimensional electrode electrolysis technology that propose the sixties in 20th century, have bigger than the specific surface area of conventional two-dimensional electrolysis technology, mass transfer velocity is fast, oxidation capacity is strong and current efficiency is high, low power consumption and other advantages, and its ultimate principle is the catalytic oxidation reduction reaction, produces O by electrolysis
2With dissolving O
2Reduction reaction takes place on negative electrode produce active H
2O
2, and under the effect of metal electrode, producing OH, OH and organism that reaction generates react, and strengthen the purpose of removing hardly degraded organic substance in the waste water thereby reach, so this technology is aspect the processing organic wastewater with difficult degradation thereby, and development prospect is wide; Membrane separation technique can further purify water on the basis of pre-treating technology, makes water outlet reach industrial production reuse requirement.
This shows that the method for being used alone is difficult to reach handles difficult degradation coking chemical waste water purpose, and the whole bag of tricks is effectively made up, and brings into play the advantage of each technology, can make coking chemical waste water reach the requirement of strict emission control standards or even reuse.
Summary of the invention
The purpose of this utility model is to provide a kind of associated plant, be specially and a kind of three-dimensional electrolysis oxidation technology, membrane separation technique be combined in the device, can effectively improve electrochemical reaction efficient and reduce cost for wastewater treatment, technological operation is convenient, can use in actual engineering.
In order to achieve the above object, the integrated assembly of coking chemical waste water regeneration of the present utility model may further comprise the steps: organic waste water is collected into water leg, at first waste water is carried out pre-treatment, pretreatment unit is made up of tempering tank, flocculation groove, settling bath, air flotation slot, waste water is removed partial organic substances, scum silica frost collection and treatment through the coagulation air-float pre-treatment; The pretreated waste water of described process is entered the three-dimensional electrolysis oxidation reactor, carry out electrochemical oxidation, hydroxyl radical free radical with strong oxidizing property (OH) that electrochemical reaction produces and the hardly degraded organic substance in the waste water react rapidly and make it obtain degraded; This waste water adopts membrane bioreactor and reverse osmosis to carry out advanced treatment more then; Wherein, the de-mineralized water that described reverse osmosis produces is got back to industrial production system and is used, and the dense water that reverse osmosis produces uses as the lime-ash wash-down water, increases substantially the cyclic utilization rate of waste water and realizes wastewater zero discharge.By above-mentioned technology, with the whole recycles of dense water of reverse osmosis, improved the utilization ratio of water, reduced discharge of wastewater, reduced the consumption of new water resources, stable effluent quality is reliable.
The integrated assembly of coking chemical waste water regeneration is characterized in that this device is made up of pre-treatment, three-dimensional electrolysis oxidation reactor, membrane bioreactor and reverse osmosis; Pre-treatment is made up of tempering tank, flocculation groove, settling bath, air flotation slot; The three-dimensional electrolysis oxidation reactor is made up of electrolyzer, anode, negative electrode, granule electrode, water distribution pipe, effluent trough, gas distribution pipeline, anode adopts Activated Carbon Fiber Electrodes or titanium net electrode, negative electrode adopts stainless material, and anode and cathode is staggeredly arranged in parallel, between the particle filled composite electrode; Granule electrode is the 3rd utmost point, by gac with contain the oxide compound of copper, the oxide compound of iron, the oxide compound of manganese and form, is uniformly distributed between anode and the negative electrode; Water distribution pipe, gas distribution pipeline are arranged at the bottom of three-dimensional electrolysis oxidation reactor; Effluent trough is positioned at the top of three-dimensional electrolysis oxidation reactor, the overflow water outlet.
The three-dimensional electrolysis oxidation reactor carries out regular or irregular back flushing, prevents organism or the absorption of its reaction intermediate in the waste water or is deposited on electrode surface, with the efficient of anodic-cathodic and granule electrode in the assurance reactor.The flushing pipe that is provided with by the bottom carries out back flushing, and back flushing can be adopted the mode of low-pressure water flushing, gas flushing and air-water associating back flushing.
Membrane bioreactor adopts immersion, selects ultra-filtration membrane for use, and the fenestra particle diameter is 0.1～0.01 μ m.
Further improvement of the utility model is: with the settling bath of independent dispersion treatment coking chemical waste water, air flotation slot, the three-dimensional electrolysis oxidation reactor, membrane bioreactor, reverse osmosis is combined in the device, give full play to the advantage of each technology, can effectively reduce the processing load of membrane bioreactor, by bubbling air with carry out back flushing, further improve electrochemical treatment efficient, improve the B/C ratio of difficult degradation coking chemical waste water greatly, reduce the COD concentration of waste water, alleviate the subsequent disposal burden, make membrane bioreactor successfully be moved, reverse osmosis desalination is passed through in the membrane bioreactor water outlet again, guarantees that effluent quality satisfies the reuse requirement.
The integrated assembly of coking chemical waste water regeneration of the present utility model is convenient to implement automatic control, and is simple to operate, and occupation area of equipment is little, and makes the waste water recycling of being regenerated, and saved great lot of water resources, thereby realized the zero release of coking chemical waste water.
Description of drawings
Accompanying drawing 1 is an example flow chart of organic wastewater with difficult degradation thereby process for regenerating, recovering and reutilizing.
1. water legs among the figure, 2. water leg lift pump, 3. tempering tank, 4. flocculation groove, 5. air flotation slot, 6. air supporting effluent trough, 7. air supporting effluent trough lift pump, 8. three-dimensional electrolysis oxidation reactor, 9. membrane bioreactor, 10. membrane bioreactor lift pump, 11. membrane bioreactor produces tank, 12. membrane bioreactors produce the tank lift pump, 13. security personnel's strainers, 14. high-pressure pump, 15. reverse osmosiss
Specific implementation method
Below in conjunction with drawings and Examples the utility model is further specified.
Wastewater collection is to water leg (1), be delivered to tempering tank (3) by water leg lift pump (2), tempering tank (3) water outlet gravity flows into flocculation groove (4), flocculation groove (4) water outlet gravity flows into air flotation slot (5), air flotation slot (5) water outlet gravity flows into air supporting effluent trough (6), be delivered to three-dimensional electrolysis oxidation reactor (8) through air supporting effluent trough lift pump (7), three-dimensional electrolysis oxidation reactor (8) water outlet enters membrane bioreactor (9), be delivered to membrane bioreactor through membrane bioreactor lift pump (10) and produce tank (11), produce tank lift pump (12) by membrane bioreactor again and be delivered to security personnel's strainer (13), the water outlet of security personnel's strainer (13) connects high-pressure pump (14), high-pressure pump (14) is squeezed into reverse osmosis (15) with water, and reverse osmosis (15) is produced the water reuse to the industrial production system pipe network.
Claims (1)
1. the integrated assembly of coking chemical waste water regeneration is characterized in that this device is made up of pre-treatment, three-dimensional electrolysis oxidation reactor, membrane bioreactor and reverse osmosis; Pre-treatment is made up of tempering tank, flocculation groove, settling bath, air flotation slot; The three-dimensional electrolysis oxidation reactor is made up of electrolyzer, anode, negative electrode, granule electrode, water distribution pipe, effluent trough, gas distribution pipeline, anode adopts Activated Carbon Fiber Electrodes or titanium net electrode, negative electrode adopts stainless material, and anode and cathode is staggeredly arranged in parallel, between the particle filled composite electrode; Water distribution pipe, gas distribution pipeline are arranged at the bottom of three-dimensional electrolysis oxidation reactor; Effluent trough is positioned at the top of three-dimensional electrolysis oxidation reactor, the overflow water outlet, and membrane bioreactor adopts immersion, selects ultra-filtration membrane for use, and the fenestra particle diameter is 0.1～0.01 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201972737U CN201762209U (en) | 2010-05-09 | 2010-05-09 | Integrally combined device for recycling coking wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201972737U CN201762209U (en) | 2010-05-09 | 2010-05-09 | Integrally combined device for recycling coking wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN201762209U true CN201762209U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201972737U Expired - Fee Related CN201762209U (en) | 2010-05-09 | 2010-05-09 | Integrally combined device for recycling coking wastewater |
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| CN (1) | CN201762209U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260013A (en) * | 2011-05-19 | 2011-11-30 | 波鹰(厦门)科技有限公司 | Device and method for preparing recycled water on basis of electrolysis and double-membrane technology |
| CN102874992A (en) * | 2012-10-26 | 2013-01-16 | 武汉钢铁(集团)公司 | Coupling type coking wastewater advanced treatment process and coupling type coking wastewater advanced treatment device |
| CN102874991A (en) * | 2012-10-26 | 2013-01-16 | 武汉钢铁(集团)公司 | Electrochemical combined coking wastewater deep treatment process and equipment thereof |
| CN103043753A (en) * | 2012-12-18 | 2013-04-17 | 王麒钧 | Electrochemical wastewater treatment method and device capable of continuously separating oil, water and residue |
| CN104628216A (en) * | 2013-11-12 | 2015-05-20 | 中国石油化工股份有限公司 | Treatment method for oily wastewater |
| CN104628192A (en) * | 2013-11-12 | 2015-05-20 | 中国石油化工股份有限公司 | Treatment method for oily wastewater |
| CN107216002A (en) * | 2017-06-12 | 2017-09-29 | 河北卓润环境科技有限公司 | The method that waste water is produced based on multidimensional Strong oxdiative and circulation biochemical treatment coal chemical industry |
| CN110734170A (en) * | 2019-10-13 | 2020-01-31 | 麦王环境技术股份有限公司 | deep purification device and treatment process for concentrated salt water |
-
2010
- 2010-05-09 CN CN2010201972737U patent/CN201762209U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260013A (en) * | 2011-05-19 | 2011-11-30 | 波鹰(厦门)科技有限公司 | Device and method for preparing recycled water on basis of electrolysis and double-membrane technology |
| CN102874992A (en) * | 2012-10-26 | 2013-01-16 | 武汉钢铁(集团)公司 | Coupling type coking wastewater advanced treatment process and coupling type coking wastewater advanced treatment device |
| CN102874991A (en) * | 2012-10-26 | 2013-01-16 | 武汉钢铁(集团)公司 | Electrochemical combined coking wastewater deep treatment process and equipment thereof |
| CN102874991B (en) * | 2012-10-26 | 2014-06-18 | 武汉钢铁(集团)公司 | Electrochemical combined coking wastewater deep treatment process and equipment thereof |
| CN103043753A (en) * | 2012-12-18 | 2013-04-17 | 王麒钧 | Electrochemical wastewater treatment method and device capable of continuously separating oil, water and residue |
| CN103043753B (en) * | 2012-12-18 | 2014-04-16 | 王麒钧 | Electrochemical wastewater treatment method and device capable of continuously separating oil, water and residue |
| CN104628216A (en) * | 2013-11-12 | 2015-05-20 | 中国石油化工股份有限公司 | Treatment method for oily wastewater |
| CN104628192A (en) * | 2013-11-12 | 2015-05-20 | 中国石油化工股份有限公司 | Treatment method for oily wastewater |
| CN104628216B (en) * | 2013-11-12 | 2016-07-06 | 中国石油化工股份有限公司 | A kind of processing method of oily waste water |
| CN107216002A (en) * | 2017-06-12 | 2017-09-29 | 河北卓润环境科技有限公司 | The method that waste water is produced based on multidimensional Strong oxdiative and circulation biochemical treatment coal chemical industry |
| CN110734170A (en) * | 2019-10-13 | 2020-01-31 | 麦王环境技术股份有限公司 | deep purification device and treatment process for concentrated salt water |
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| 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: 20110316 Termination date: 20160509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |