CN103803694B - Integrated efficient Fenton precipitation device - Google Patents
Integrated efficient Fenton precipitation device Download PDFInfo
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- CN103803694B CN103803694B CN201310725082.1A CN201310725082A CN103803694B CN 103803694 B CN103803694 B CN 103803694B CN 201310725082 A CN201310725082 A CN 201310725082A CN 103803694 B CN103803694 B CN 103803694B
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Abstract
The invention provides an integrated efficient Fenton precipitation device. The integrated efficient Fenton precipitation device comprises an annular reaction chamber, a flocculation reaction chamber and a mud-water separation chamber which are arranged in sequence from left to right, wherein the annular reaction chamber is composed of four layers of barrels in a sleeving manner and the barrels sequentially comprise a central hopper type contact chamber, an overflowing chamber, a Fenton reaction chamber and an oxidization reaction chamber from inside to outside; the upper section of the hopper type contact chamber is composed of a tapered hopper on the upper section and a mixing barrel on the lower section; a water outlet hole which is formed in the bottom around the circle center of the mixing barrel is communicated with the overflowing chamber; a water outlet hole is formed in the bottom of the Fenton reaction chamber around the circle center so that the water outlet hole is communicated with the oxidization reaction chamber; an overflowing groove is formed in the top of the oxidization reaction chamber; an outlet at the bottom end of the overflowing groove is communicated with the flocculation reaction chamber; the flocculation reaction chamber is communicated with the mud-water separation chamber. According to the integrated efficient Fenton precipitation device, the reaction efficiency of the annular reaction chamber is greatly improved and the occupied area is greatly saved; a spiral mud discharging pipe is arranged so that the mud discharging efficiency can be greatly improved.
Description
Technical field
The present invention relates to Fenton's reaction water treatment device, particularly relate to a kind of integrated high-efficiency Fenton settler.
Background technology
1894, Frenchman HJHFenton found to adopt Fe
2+/ H
2o
2system can be oxidized gas chromatography.In honor of the combination of ferrous salt and hydrogen peroxide is called Fenton reagent to descendant by him, and its energy the efficient oxidation removes the hardly degraded organic substance that conventional waste water treatment technology cannot be removed, and its essence is H
2o
2at Fe
2+katalysis under generate there is the hydroxyl radical free radical (OH) of high reaction activity, OH can make it degrade with most of organism effect.Along with going deep into, again UV-light (UV), oxalate (C of research
2o
4 2-) etc. introduce in Fenton reagent, its oxidation capacity is strengthened greatly.In a broad sense, Fenton method utilizes catalyzer or optical radiation or electrochemical action, passes through H
2o
2produce hydroxyl radical free radical (OH) and process organic technology.H
2o
2at Fe
2+katalysis under decompose produce OH, its oxidizing potential reaches 2.8V, and be inorganic oxidizer the strongest except element fluorine, oxidation operation is resolved into small molecules by approach such as transfer transports by it.Meanwhile, Fe
2+be oxidized to Fe
3+produce coagulating sedimentation, remove large amount of organic.Visible Fenton reagent has oxidation and coagulation two kinds effect in water treatment.Fenton reagent is in the dark with regard to energy degradation of organic substances, and save facility investment, shortcoming is H
2o
2utilization ratio not high, can not abundant mineralising organism.Research shows, utilizes Fe
3+, Mn
2+the heterogeneous catalyst such as oxide mineral in homogeneous catalyst and iron powder, graphite, iron, manganese can make H equally
2o
2decompose and produce OH, because of its reaction primary process and Fenton reagent similar and be referred to as Fenton-like system.As with Fe
3+replace Fe
2+, due to Fe
2+be instant generation, decrease OH by Fe
2+the chance of reduction, can improve the utilising efficiency of OH.If add some complexing agent (as C in Fenton system
2o
4 2-, EDTA etc.), can increase organic clearance.The reaction of Fenton reagent oxidation of organic compounds, is generate hydroxyl radical free radical with iron ion action in hydrogen peroxide, and causes more free radical, attack organic molecule internal key, reaches that organism is completely inorganization or is cracked into micromolecular object.
Fe
2++ H
2O
2→Fe
3++·OH+OH- （1）
Fe
3++ H
2O
2→Fe
2++·H
2O+ H
+ （2）
Fe
2++·OH→Fe
3++OH- （3）
Fe
3++·OH
2→Fe
2++ H
++O
2（4）
·OH+ H
2O
2→H
2O+·OH2 （5）
·O
2-+ H
2O
2→O
2 ++·OH+OH- （6）
A series of free radical is generated, as OH, OH through above-mentioned reaction
2, O
2-deng, these free radicals are had an effect with organism further:
R-H
+·OH→R·+ H
2O
X-+·OH→·X+ OH-
R and X generated further with free radical reaction, make mineralization of organic material or be converted into the small-molecule substance being easy to degrade, thus remove partial organic substances, and improve biodegradability.
The Fenton oxidation settler of prior art is generally all set to reaction tank pipeline arranged side by side one by one and is interconnected, and not only floor space is large but also reaction effect is unsatisfactory, haves much room for improvement.
Summary of the invention
The present invention is directed to existing technical deficiency, provide a kind of efficiently, compact construction, integrated high-efficiency Fenton settler that floor space is little.
The present invention solves above-mentioned technical problem, there is provided following technical scheme: integrated high-efficiency Fenton settler, it is characterized in that comprising the annular reaction chamber set gradually from left to right, flocculation reaction room and mud-water separation room, described annular reaction chamber is set as by four layers of barrel jacket, it is followed successively by bucket type exposure chamber, center from inside to outside, overflow chamber, Fenton's reaction room and oxidation reaction chamber, bucket type exposure chamber, described center is made up of the taper bucket of epimere and the mix cylinder of hypomere, offering posticum in bottom around the mix cylinder center of circle makes it communicate with overflow chamber, posticum is offered around the center of circle bottom described Fenton's reaction room, it is made to communicate with oxidation reaction chamber, described oxidation reaction chamber top is provided with overflow groove, overflow groove bottom end outlet is communicated with flocculation reaction room, flocculation reaction room is communicated with mud-water separation room.
As preferably, described flocculation reaction room is divided into neutralization reaction district, middle guiding region and flocculation reaction district from the bottom up successively, arrange triangular pipe bottom neutralization reaction district to be connected with flocculation reaction district through middle guiding region, middle nearly lower end, guiding region sets out the mouth of a river and connects mud-water separation room, described neutralization reaction district, flocculation reaction district are provided with mixing grid, and described neutralization reaction district is communicated with overflow groove bottom end outlet.
As preferably, described mud-water separation room is followed successively by overflow groove district, inclined tube disengaging zone and mud district, bottom from top to bottom, mud district, described bottom is bucket-shaped for boring, and bottom is provided with volution shore pipe by the tapering of cone bucket, and described volution shore pipe evenly offers mudhole.Described volution shore pipe, is made by spiral tube on cone end screw.What overcome that prior art is arranged at that the spoil disposal straight tube at Zhui Dou center causes effectively can only aspirate the mud of cone bucket centre portions, and the problem that the mud around straight tube cannot be effectively emptying, make to be formed in cone bucket spoil disposal eddy current, substantially increase spoil disposal efficiency.
As preferably, described oxidation reaction chamber bottom is provided with ring-type aeration tube.
As preferably, in described mix cylinder, be filled with the polyhedron empty ball of diameter 50mm.
As preferably, described Fenton's reaction room and oxidizing reaction chamber interior walls under down all interleaved be provided with annular baffle.
As preferably, bottom, described Fenton's reaction room is provided with annular air stirring pipe.
As preferably, mud-water separation room design inclined tube filler realizes mud-water separation, and the inclined tube filler in inclined tube disengaging zone adopts hexagon cellular filler.
For better explaining technical scheme of the present invention, introduce principle of work of the present invention in detail below: this device operationally waste water pumps into bucket type exposure chamber by water pump, add Fenton reagent simultaneously, current are passed through downwards by top bucket type exposure chamber action of gravity and are full of in the mix cylinder of polyhedron empty ball filler, waste water and medicament are through the baffling of polyhedron empty ball, cutting, the effect of back mixing fully contacts, by bottom posticum surrounding water distribution, current enter overflow chamber and evenly rise, again evenly enter Fenton's reaction room by top surrounding overflow, current in the downward process in Fenton's reaction room due to annular flap baffle and the effect of turning back, add flow path, the stirring action of bottom annular air stirring pipe makes air rising produce reverse flow with water (flow) direction simultaneously, the waste water reflected is by bottom even surrounding water distribution, oxidation reaction chamber is entered by bottom posticum, the waste water entering oxidation reaction chamber directly contacts by the oxygen to directly oxidize in air with ring-type aeration tube, current rise and are subject to turning back of traverse baffle simultaneously, reflux effect, surrounding overflow enters overflow groove, overflow water outlet with in and medicament enter neutralization reaction district, chamber designs mixing grid sieves mixing, then enter flocculation reaction district by bottom triangular pipe through middle diversion chamber, to be intake by bottom and dosing to be sieved mixing through mixing grid, middle guiding region is entered by top, pass through middle guiding region again, water conservancy diversion water distribution uniformity enters mud-water separation room, current are by bottom water distribution area water distribution uniformity, rise and enter hexagon cellular filler disengaging zone mud-water separation, supernatant liquor overflow enters overflow groove water outlet, mud drops in base sludge district to be got rid of completely by spiral sludge discharge pipe.
Beneficial effect of the present invention: the present invention substantially increases reaction efficiency by arranging annular reaction chamber, greatly saves floor space, and its spirrillum shore pipe can improve spoil disposal efficiency greatly.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention.
Fig. 2 is A-A sectional view of the present invention.
Embodiment
Integrated high-efficiency Fenton settler, comprise the annular reaction chamber 001 set gradually from left to right, flocculation reaction room 002 and mud-water separation room 003, described annular reaction chamber 001 is set as by four layers of barrel jacket, it is followed successively by bucket type exposure chamber, center 011 from inside to outside, overflow chamber 012, Fenton's reaction room 013 and oxidation reaction chamber 014, bucket type exposure chamber, described center 011 is made up of the taper bucket 111 of epimere and the mix cylinder 112 of hypomere, offering posticum 113 in bottom around mix cylinder 112 center of circle makes it communicate with overflow chamber 012, posticum 131 is offered around the center of circle bottom described Fenton's reaction room 013, it is made to communicate with oxidation reaction chamber 014, described oxidation reaction chamber 014 top is provided with overflow groove 141, overflow groove 141 bottom end outlet is communicated with flocculation reaction room 002, flocculation reaction room 002 is communicated with mud-water separation room 003.Described flocculation reaction room 002 is followed successively by neutralization reaction district 021, middle guiding region 022 and flocculation reaction district 023 from the bottom up, arrange triangular pipe bottom neutralization reaction district 021 to be connected with flocculation reaction district 023 through middle guiding region 022, nearly lower end, middle guiding region 022 sets out the mouth of a river 024 and connects mud-water separation room 003, described neutralization reaction district 021, flocculation reaction district 023 are provided with mixing grid 004, and described neutralization reaction district 021 is communicated with overflow groove 141 bottom end outlet.Described mud-water separation room 003 is followed successively by overflow groove district 031, inclined tube disengaging zone 032 and mud district, bottom 033 from top to bottom, mud district, described bottom 033 is bucket-shaped for boring, bottom is provided with volution shore pipe 331 by the tapering of cone bucket, and described volution shore pipe 331 evenly offers mudhole 331a.Described oxidation reaction chamber 014 bottom is provided with ring-type aeration tube 142.The polyhedron empty ball 112a of diameter 50mm is filled with in described mix cylinder 112.Described Fenton's reaction room 013 and oxidation reaction chamber 014 inwall under down all interleaved be provided with annular baffle 005.Bottom, described Fenton's reaction room 013 is provided with annular air stirring pipe 132.
Claims (2)
1. integrated high-efficiency Fenton settler, it is characterized in that comprising the annular reaction chamber set gradually from left to right, flocculation reaction room and mud-water separation room, described annular reaction chamber is set as by four layers of barrel jacket, it is followed successively by bucket type exposure chamber, center from inside to outside, overflow chamber, Fenton's reaction room and oxidation reaction chamber, bucket type exposure chamber, described center is made up of the taper bucket of epimere and the mix cylinder of hypomere, offering posticum in bottom around the mix cylinder center of circle makes it communicate with overflow chamber, posticum is offered around the center of circle bottom described Fenton's reaction room, it is made to communicate with oxidation reaction chamber, described oxidation reaction chamber top is provided with overflow groove, overflow groove bottom end outlet is communicated with flocculation reaction room, flocculation reaction room is communicated with mud-water separation room, described mud-water separation room is followed successively by overflow groove district from top to bottom, inclined tube disengaging zone and mud district, bottom, mud district, described bottom is bucket-shaped for boring, bottom is provided with volution shore pipe by the tapering of cone bucket, described volution shore pipe evenly offers mudhole, described oxidation reaction chamber bottom is provided with ring-type aeration tube, the polyhedron empty ball of diameter 50mm is filled with in described mix cylinder, described Fenton's reaction room and oxidizing reaction chamber interior walls under down all interleaved be provided with annular baffle, bottom, described Fenton's reaction room is provided with annular air stirring pipe.
2. integrated high-efficiency Fenton settler according to claim 1, it is characterized in that described flocculation reaction room is followed successively by neutralization reaction district, middle guiding region and flocculation reaction district from the bottom up, arrange triangular pipe bottom neutralization reaction district to be connected with flocculation reaction district through middle guiding region, middle nearly lower end, guiding region sets out the mouth of a river and connects mud-water separation room, described neutralization reaction district, flocculation reaction district are provided with mixing grid, and described neutralization reaction district is communicated with overflow groove bottom end outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310725082.1A CN103803694B (en) | 2013-12-25 | 2013-12-25 | Integrated efficient Fenton precipitation device |
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|---|---|---|---|
| CN201310725082.1A CN103803694B (en) | 2013-12-25 | 2013-12-25 | Integrated efficient Fenton precipitation device |
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| CN103803694A CN103803694A (en) | 2014-05-21 |
| CN103803694B true CN103803694B (en) | 2015-05-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991988A (en) * | 2014-06-10 | 2014-08-20 | 江苏拓森环保设备工程有限公司 | Integrated energy-saving and efficient Fenton reaction system |
| CN107804909A (en) * | 2017-11-27 | 2018-03-16 | 江苏宜裕环保科技有限公司 | A kind of multi-cartridge Fenton's reaction tower |
| CN108689475B (en) * | 2018-07-02 | 2021-02-02 | 深圳清华大学研究院 | Fenton oxidation baffled reactor and organic wastewater treatment method |
| CN108911236B (en) * | 2018-07-11 | 2024-04-16 | 王晶 | Moving bed oxidation reactor suitable for sewage treatment |
| CN113968614B (en) * | 2021-06-25 | 2023-04-21 | 北京绿恒科技有限公司 | Multistage cooperative self-circulation anaerobic ammonia oxidation reaction device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995021794A1 (en) * | 1994-02-14 | 1995-08-17 | Envirex, Inc. | Integrated adsorption/advanced oxidation fluidized bed reactor |
| CN201990563U (en) * | 2011-05-02 | 2011-09-28 | 秦皇岛禹君环境工程有限公司 | Integrated equipment used for advanced treatment of coking wastewater |
| CN202594897U (en) * | 2012-06-21 | 2012-12-12 | 浙江水美环保工程有限公司 | Integrated Fenton oxidation system |
| CN103435142A (en) * | 2013-08-01 | 2013-12-11 | 南昌大学 | General-purpose internal circulation fenton reactor treating difficult-to-degrade organic wastewater |
| CN203639219U (en) * | 2013-12-25 | 2014-06-11 | 江苏一环集团有限公司 | Integrated high-efficiency fenton precipitation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW593164B (en) * | 2003-07-30 | 2004-06-21 | Min-Shing Tsai | Integrated technology in sequential treatment of organics and heavy metal ions wastewater |
-
2013
- 2013-12-25 CN CN201310725082.1A patent/CN103803694B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995021794A1 (en) * | 1994-02-14 | 1995-08-17 | Envirex, Inc. | Integrated adsorption/advanced oxidation fluidized bed reactor |
| CN201990563U (en) * | 2011-05-02 | 2011-09-28 | 秦皇岛禹君环境工程有限公司 | Integrated equipment used for advanced treatment of coking wastewater |
| CN202594897U (en) * | 2012-06-21 | 2012-12-12 | 浙江水美环保工程有限公司 | Integrated Fenton oxidation system |
| CN103435142A (en) * | 2013-08-01 | 2013-12-11 | 南昌大学 | General-purpose internal circulation fenton reactor treating difficult-to-degrade organic wastewater |
| CN203639219U (en) * | 2013-12-25 | 2014-06-11 | 江苏一环集团有限公司 | Integrated high-efficiency fenton precipitation device |
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