CN101648737B - Granular active carbon circulating micro-electrolysis reactor - Google Patents
Granular active carbon circulating micro-electrolysis reactor Download PDFInfo
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- CN101648737B CN101648737B CN2009100674677A CN200910067467A CN101648737B CN 101648737 B CN101648737 B CN 101648737B CN 2009100674677 A CN2009100674677 A CN 2009100674677A CN 200910067467 A CN200910067467 A CN 200910067467A CN 101648737 B CN101648737 B CN 101648737B
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Abstract
The invention relates to a granular active carbon circulating micro-electrolysis reactor, comprising a micropore aeration pipe, a granular active carbon separating chamber, wherein the micropore aeration pipe is connected with a total aeration pipe and positioned at the bottom of the reactor; positive poles of a plurality of scrap iron plates are uniformly distributed on the upper middle of the reactor at equal intervals; a support beam I and a support beam II which are fixed on the inner lateral wall of the reactor and processed with corrosion resisting materials are provided with a fixed clamping groove I and a fixed clamping groove II, and the left end, the right end, the upper end and the lower end of the positive poles of the scrap iron plates are vertically fixed in the fixed clamping groove I and the fixed clamping groove II; waste water enters in the reactor through a water inlet pipe; micro-bubbles generated by the micropore aeration pipe provide rising power for granular active carbon so that the granular active carbon rises among the positive poles of the scrap iron plates so as to form a granular active carbon rising area; the gravity of the granular active carbon is reduced in a non-aeration area so as to realize the granular active carbon circulating in the reactor; and the water enters in the granular active carbon separating chamber through an overflow weir after being processed and is discharged by a water outflow pipe. The invention solves the problems of scrap iron hardening, waste water channeling, micro-electrolysis positive pole inactivating which is puzzled for a long time and the problem that redox sediments are attached to positive and negative poles.
Description
Technical field
Patent of the present invention belongs to waste disposal plant, relates to a kind of high concentration hard-degraded organic waste water treatment unit, relates to a kind of granular active carbon circulating micro-electrolysis reactor or rather.
Background technology
Little electrolysis (micro-electrolysis) method claims internal electrolysis again, is to utilize iron and charcoal in the iron filings to form galvanic cell, realizes the degraded of water pollutant, reaches the purpose of " treatment of wastes with processes of wastes against one another ".Micro-electrolysis method be along with redox reaction in wastewater treatment application and by a kind of novel wastewater processing technology that grows up, its principle of work that is applied to field of waste water treatment can be summarized as: (a) redox reaction; (b) galvanic cell reaction; (c) the attached collection effect of electrochemistry; (d) physisorption; (e) coagulation of iron; (f) precipitating action of iron ion.Micro electrolysis tech is realized the chain rupture of larger molecular organics in the waste water and the reduction of oxidizing substance based on the associated treatment effect based on redox reaction, to change the character of organic pollutant in the waste water, reaches the purpose of handling waste water.
In recent years, the research of micro-electrolysis treatment organic wastewater with difficult degradation thereby has caused various countries scholars' extensive concern, yet there are many defectives in this method in application, easily hardens as (a) iron filings; (b) channeling easily takes place in waste water; (c) the reactive deposition thing easily covers the iron carbon surface, hinders effective contact between the two.Above defective can cause microelectrolysis process to interrupt, and treatment effect is greatly descended, and has a strong impact on contaminant removal efficiency, is the major cause that this technology can not obtain fine application.
Summary of the invention
The objective of the invention is in order to overcome the problem that prior art exists; a kind of granular active carbon circulating micro-electrolysis reactor is provided; by waste iron filing being bonded to the iron filings plate; as little electrolysis positive pole; granulated active carbon is as negative pole; utilize pressurized air to make granulated active carbon,, realize the application of granular active carbon circulating micro-electrolysis reactor in organic wastewater with difficult degradation thereby is handled to solve defectives such as iron carbon slab knot, channel, passivation at the reactor internal recycle.
The present invention is achieved by the following technical programs: a kind of granular active carbon circulating micro-electrolysis reactor, and main micropore aeration pipe, granulated active carbon separate chamber, it is characterized in that: micropore aeration pipe links to each other with the aeration house steward, is positioned at reactor bottom; Several are mixed with the inorganic phosphate binding agent by waste iron filing, and the iron filings plate positive pole that is compression molded into is equidistantly to be uniformly distributed in the reactor middle and upper part; Be fixed on supporting beam I, the supporting beam II that corrosion-resistant material is processed on the reactor inner side-wall, fixed card slot I, fixed card slot II be set, with about iron filings plate positive pole, upper and lower ends is vertically fixed among described fixed card slot I, the fixed card slot II; Waste water enters reactor by water inlet pipe, micropore aeration pipe produces microbubble, for granulated active carbon provides rising power, granulated active carbon is risen between several iron filings plate positive poles, form the granulated active carbon rising area, granulated active carbon descends by means of gravity in aeration zone not, realizes that granulated active carbon is at the reactor internal recycle; Handle back water and enter the granulated active carbon separate chamber, discharge by rising pipe by overflow weir.
Above-mentioned a kind of granular active carbon circulating micro-electrolysis reactor, 2-10 centimetre of the anodal thickness of its described iron filings plate; Described inorganic phosphate binding agent is one or more in aluminum phosphate, trimagnesium phosphate, calcium phosphate, zinc phosphate, the cupric phosphate.
Above-mentioned a kind of granular active carbon circulating micro-electrolysis reactor, its described micropore aeration pipe, every lay respectively between two iron filings plate positive poles under the 10-40 centimeters.
Above-mentioned a kind of granular active carbon circulating micro-electrolysis reactor, the micropore size 1-5 millimeter of its described micropore aeration pipe, 0.5-5 centimetre of micropore spacing.
The present invention compared with prior art has outstanding substantive distinguishing features and obvious improvement and positive effect:
(1) a kind of granular active carbon circulating micro-electrolysis reactor of the present invention is made of the positive electrode systems of iron filings plate and granulated active carbon recycle system two portions.The positive electrode systems of iron filings plate is made up of iron filings plate positive pole, supporting beam, fixed card slot; The charcoal recycle system is aeration house steward, micropore aeration pipe, overflow weir, granulated active carbon separate chamber composition.Waste water enters reactor by water inlet pipe, and iron and granulated active carbon form countless small galvanic cells between several iron filings plate positive poles, produces electrode reaction, and organic pollutant obtains degraded through electrode reaction in the waste water.The present invention (a) has increased little electrolysis electrode potential difference with pressurized air circulating granular gac, accelerates galvanic corrosion speed; (b) form the strong oxidizing property intermediate product at the seed activity carbon surface; (c) provide rising power for the granulated active carbon circulation.
(2) iron filings are bonded to iron filings plate positive pole, have solved that iron filings harden, the waste effluent flume flow phenomenon;
(3) design of the charcoal recycle system makes granulated active carbon constantly wash away iron filings plate positive pole, has solved anodal passivation phenomenon in the long-term puzzlement micro electrolysis tech;
(4) granulated active carbon washes away at the reactor internal recycle, has solved the redox settling in positive and negative electrode surface deposition phenomenon.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 be micropore aeration pipe of the present invention with the aeration house steward between related synoptic diagram.Wherein,
The anodal 3-1 of 1-water inlet pipe 2-iron filings plate, 3-2-supporting beam I, II4-1,4-2-fixed card slot I, the II 5-aeration house steward 6-micropore aeration pipe 7-overflow weir 8-granulated active carbon 9-of separate chamber rising pipe.
Implement concrete mode
The present invention is described further by embodiment below in conjunction with accompanying drawing.
Embodiment
From Fig. 1 as seen, a kind of granular active carbon circulating micro-electrolysis reactor of the present invention mainly comprises micropore aeration pipe 6, granulated active carbon separate chamber 8, it is characterized in that: micropore aeration pipe 6 links to each other with aeration house steward 5, is positioned at reactor bottom; Nine iron filings plate positive poles 2 evenly equidistantly distribute (see figure 2) in the reactor middle and upper part with 4 centimetres of spacings, be fixed on the reactor inner side-wall supporting beam I 3-1, supporting beam II 3-2 and on fixed card slot I 4-1, the material of fixed card slot II 4-2 be the rigid polyvinyl chloride material, iron filings plate positive pole about 2, upper and lower ends are vertically fixed among described fixed card slot I 4-1, the fixed card slot II 4-2; Waste water enters reactor by water inlet pipe 1, and micropore aeration pipe 5 produces microbubble, and granulated active carbon is risen between iron filings plate positive pole 2, forms the granulated active carbon rising area in reactor, and granulated active carbon is in not aeration zone decline.Water after the processing enters granulated active carbon separate chamber 8 by overflow weir 7, is discharged by rising pipe 9.
Above-mentioned a kind of granular active carbon circulating micro-electrolysis reactor, its described iron filings plate positive pole 2 is mixed, is compression molded into 2-10 centimetre iron filings plate by waste iron filing and inorganic phosphate binding agent.Described inorganic phosphate binding agent is one or more in aluminum phosphate, trimagnesium phosphate, calcium phosphate, zinc phosphate, the cupric phosphate.
Above-mentioned a kind of granular active carbon circulating micro-electrolysis reactor (accompanying drawing 3), 20 centimeters under its every micropore aeration pipe 6 lays respectively between two iron filings plate positive poles 2.
Above-mentioned a kind of granular active carbon circulating micro-electrolysis reactor (accompanying drawing 3), its described micropore aeration pipe 6 aerating pore diameters are the 1-5 millimeter, pitch of holes is 0.5-5 centimetre.
Claims (4)
1. a granular active carbon circulating micro-electrolysis reactor mainly comprises micropore aeration pipe, granulated active carbon separate chamber, it is characterized in that: micropore aeration pipe (6) links to each other with aeration house steward (5), is positioned at reactor bottom; Several are mixed with the inorganic phosphate binding agent by waste iron filing, and the iron filings plate positive pole (2) that is compression molded into is equidistantly to be uniformly distributed in described reactor middle and upper part; Be fixed on supporting beam I (3-1), the supporting beam II (3-2) that corrosion-resistant material is processed on the reactor inner side-wall, be provided with fixed card slot I (4-1), fixed card slot II (4-2); With about iron filings plate positive pole (2), upper and lower ends is vertically fixed among described fixed card slot I (4-1), the fixed card slot II (4-2); Waste water enters reactor by water inlet pipe (1), micropore aeration pipe (6) produces microbubble, for granulated active carbon provides rising power, granulated active carbon is risen between several iron filings plate positive poles (2), form the granulated active carbon rising area, granulated active carbon descends by means of gravity in aeration zone not, realizes granulated active carbon circulation up and down in reactor; Handle back water and enter granulated active carbon separate chamber (8), discharge by rising pipe (9) by overflow weir (7).
2. a kind of granular active carbon circulating micro-electrolysis reactor according to claim 1 is characterized in that: thickness 2-10 centimetre at described iron filings plate positive pole (2); Described inorganic phosphate binding agent is one or more in aluminum phosphate, trimagnesium phosphate, calcium phosphate, zinc phosphate, the cupric phosphate.
3. a kind of granular active carbon circulating micro-electrolysis reactor according to claim 1 is characterized in that: described micropore aeration pipe (6), each root lay respectively between two iron filings plate positive poles (2) under the 10-40 centimeters.
4. a kind of granular active carbon circulating micro-electrolysis reactor according to claim 1 is characterized in that: the micropore size 1-5 millimeter of described micropore aeration pipe (6), 0.5-5 centimetre of micropore spacing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100674677A CN101648737B (en) | 2009-08-27 | 2009-08-27 | Granular active carbon circulating micro-electrolysis reactor |
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| CN2009100674677A CN101648737B (en) | 2009-08-27 | 2009-08-27 | Granular active carbon circulating micro-electrolysis reactor |
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| CN101648737B true CN101648737B (en) | 2011-07-27 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102531110B (en) * | 2012-03-06 | 2013-11-06 | 山东大学 | Iron-copper microelectrolysis reaction tank and preparation method for copperized iron wire net plate |
| CN102872703A (en) * | 2012-10-03 | 2013-01-16 | 黄立维 | Device and process for purifying harmful gas through combining gas-liquid absorption with micro-electrolysis |
| CN102872701A (en) * | 2012-10-03 | 2013-01-16 | 黄立维 | Ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor for purifying harmful gas |
| CN102872702A (en) * | 2012-10-03 | 2013-01-16 | 黄立维 | Method for purifying harmful waste gas by combination of absorption and microelectrolysis and special device thereof |
| CN102976530A (en) * | 2012-11-30 | 2013-03-20 | 吴江市万事达环保溶剂有限公司 | Device for treating and recycling chemical production sewage |
| CN104961202B (en) * | 2015-07-15 | 2017-05-10 | 环境保护部南京环境科学研究所 | Modular improved iron-carbon microelectrolysis filler, preparation method, application and assembly method thereof |
| CN109879373B (en) * | 2017-12-06 | 2022-03-08 | 中国石油化工股份有限公司 | Method and device for treating sewage by electrocatalytic oxidation |
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