CN201694916U - Sewage purification device adopting electrocoagulation membrane separation method - Google Patents
Sewage purification device adopting electrocoagulation membrane separation method Download PDFInfo
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- CN201694916U CN201694916U CN2010202279488U CN201020227948U CN201694916U CN 201694916 U CN201694916 U CN 201694916U CN 2010202279488 U CN2010202279488 U CN 2010202279488U CN 201020227948 U CN201020227948 U CN 201020227948U CN 201694916 U CN201694916 U CN 201694916U
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- membrane separation
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- effluent treatment
- treatment plant
- water
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Abstract
The utility model relates to the field of sewage treatment, in particular to a set of sewage purification device adopting an electrocoagulation membrane separation method, which comprises a trough, a drain pipe, a water return pipe and the like; the device further comprises a membrane separation device, one end of which is connected with the water return pipe, and the other end thereof is connected with a water outlet pipe; and the membrane separation device is internally provided with a hollow fibrous membrane and electrodes, wherein the electrodes are arranged in pairs and are connected with a direct-current (DC) power supply. The device combines electrocoagulation technology and membrane separation technology, can effectively remove phosphorus and organic matters in sewage, has higher efficiency than the conventional flocculation technology, can obtain better water quality, effectively reduces the equipment volume, improves the treatment efficiency and does not need to be added with flocculating agent.
Description
[technical field]
The utility model relates to waste disposal plant, and particularly a kind of employing electric flocculation membrane partition method is removed phosphor in sewage and organic device.
[background technology]
Body eutrophication has become the problem that the whole world is paid close attention to, and particularly in today of China's rapid economic development, eutrophication has had a strong impact on the ecology in river and lake, and further threatens on every side the water safety with the downstream resident.The major cause of body eutrophication is owing to contain a large amount of phosphorus in sanitary sewage and the trade effluent, for hydrobiont provides too sufficient nutrient, causes the hydrobiont overgrowing.The hydrobiont of mass mortality sinks to lakebed, by microbiological degradation, consumes a large amount of dissolved oxygens, thereby makes the biologies such as fish in the water body dead because of anoxic.Therefore the phosphorus of removing in the water is extremely urgent.
The electricity flocculation is the method for phosphorus in a kind of effective removal water, but owing to form floss in the electric flocculation process, needs the precipitation of long period, maybe needs just can remove floss through simple filtering, and the water quality that this treatment process obtains is still relatively poor.
The disclosed a kind of electric flocculation plant that is used to handle oily(waste)water of for example Chinese utility model patent CN2789234Y, its enclosure interior is provided with the flocculating chamber, inside, flocculating chamber is equipped with electrolytic pole board, and described fluid inlet place is provided with baffling case that can make oily(waste)water steadily enter the flocculating chamber etc.
The disclosed coaxial electrical flocculation of for example Chinese again utility model patent CN201439498U water treatment system, comprise water pump, water supply control apparatus, reaction unit, coaxial electrical flocculation reactor and high frequency intelligent self-adaptive power supply, high frequency intelligent self-adaptive power supply connects the battery lead plate of coaxial electrical flocculation reactor, and the electric energy of reaction needed is provided; Equipment for separating liquid from solid, sludge treatment equipment and sensitizing agent add jar etc.All there is above-mentioned technological deficiency.
[utility model content]
[problem that will solve]
The utility model is in order to overcome the deficiency of electricity flocculation dephosphorization technique, the electricity flocculation is combined with membrane filtration technique, a kind of device that adopts the electric flocculation membrane partition method to purify waste water is provided, can effectively removes phosphorus and organism in the sewage, improve dephosphorization efficiency by using and effluent quality.
[technical scheme]
To achieve these goals, the utility model provides a kind of effluent treatment plant that adopts the electric flocculation membrane partition method, comprise tank and the water transfer pump and the hydraulic pipe that link to each other with described tank, the water shoot that described tank is provided with water discharge valve and is attached thereto, described tank also is provided with return water pipe, wherein, described device also comprises membrane separation unit, described membrane separation unit one end is connected with described return water pipe by valve, the other end is connected to rising pipe by valve, described membrane separation unit comprises shell and is arranged on described shell interior hollow-fibre membrane and electrode, described electrode is to be provided with in pairs, for be arrangeding in parallel, described electrode is connected with direct supply between two electrodes of every pair, and described electrode and hollow-fibre membrane are installed in the described shell by fixation kit.
Described tubular fibre for example adopts Chinese invention patent application 200810227223.6,200910119291.5,200910090955.X, 200910259973.6 and/or 200910243466.3 disclosed technology.
According to a kind of preferred embodiment of above-mentioned effluent treatment plant, wherein said electrode has one or more pairs of.
Preferably, described electrode is wire electrode or the battery lead plate that iron or aluminium are made.
According to a kind of preferred embodiment, between described every counter electrode silk or the battery lead plate, each interelectrode distance is 0.5-5cm.
Preferred, connect described direct supply after, the current density between the described battery lead plate is 10-90A/m
2
According to a kind of embodiment of above-mentioned effluent treatment plant, described fixation kit is the fixed support made from Resins, epoxy.
According to the another kind of embodiment of above-mentioned effluent treatment plant, the shell of described membrane separation unit is columniform.
According to a kind of preferred embodiment of above-mentioned effluent treatment plant, wherein said direct supply has intermittently by-pass cock.
During the device operation, sewage enters in the membrane separation unit by water transfer pump and hydraulic pipe from tank, in membrane separation unit, after counter electrode adds direct current, metal ion (iron ion or aluminum ion) that electrolysis produces and the phosphate radical in the sewage react, and form floss, then behind the tubular fibre membrane filtration, floss is trapped, and clean water is discharged from the filtered water rising pipe.After the floss in the membrane separation unit reaches finite concentration, make dirt be back to tank, the throw out in tank is discharged.
[beneficial effect]
Effluent treatment plant of the present utility model can organically combine electric flocculation technique and membrane separation technique effectively, is used to remove phosphor in sewage and organism, and its advantage is:
1. the use of uniting of electricity flocculation and membrane separation technique can be effectively except that phosphorus and organism in the decontaminated water, has higher efficient than the flocculation technique of routine;
2. hollow-fibre membrane can filter the throw out that forms in the electric flocculation process effectively, and the water after the filtration has better water quality;
3. electrode and film are integrated in the same equipment, can reduce equipment volume effectively, improve processing efficiency;
Need not add flocculation agent when 4. this device moves.
[description of drawings]
Fig. 1 is the structural representation of effluent treatment plant of the present utility model;
Wherein, 1, tank; 2, water transfer pump; 3, membrane separation unit; 4, shell; 5, hollow-fibre membrane; 6, electrode; 7, direct supply; 8, fixation kit; 9, return water pipe; 10, filtered water outlet valve; 11, tank water outlet; 12, tank water inlet pipe; 13, hydraulic pipe.
[embodiment]
Following embodiment is described with reference to the accompanying drawings the present invention.
Embodiment 1
The 10 groups of wire electrodes that in membrane separation unit, are arranged in parallel, the distance between the wire electrode is 2.5cm, and electrode adopts iron wire, applies volts DS, and current density is 40A/m
2, when water inlet total phosphorous 3.7mg/L, after measured, the phosphorous 1.5mg/L of filtered water after membrane separation unit filters, the clearance of phosphorus is 59%.
Embodiment 2
The 18 groups of wire electrodes that are arranged in parallel in the membrane separation unit, the distance between the wire electrode is 2.5cm, and electrode adopts aluminium wire, applies volts DS, and current density is 30A/m
2, when water inlet total phosphorous 3.5mg/L, the phosphorous 1.2mg/L of filtered water after the film silk filters, the clearance of phosphorus is 66%.
Embodiment 3
The 6 groups of wire electrodes that are arranged in parallel in the membrane separation unit, the distance between the wire electrode is 2.5cm, anode adopts aluminium sheet, apply volts DS after, current density is 60A/m
2, when water inlet total phosphorous 3.8mg/L, the phosphorous 2.6mg/L of filtered water after the film silk filters, the clearance of phosphorus is 32%.
Claims (8)
1. effluent treatment plant that adopts the electric flocculation membrane partition method, comprise tank and the water transfer pump and the hydraulic pipe that link to each other with described tank, the water shoot that described tank is provided with water discharge valve and is attached thereto, described tank also is provided with return water pipe, it is characterized in that described device also comprises membrane separation unit, described membrane separation unit one end is connected with described return water pipe by valve, the other end is connected to rising pipe by valve, described membrane separation unit comprises shell and is arranged on described shell interior hollow-fibre membrane and electrode, described electrode is to be provided with in pairs, between two electrodes of every pair for be arrangeding in parallel, described electrode is connected with direct supply, and described electrode and hollow-fibre membrane are installed in the described shell by fixation kit.
2. effluent treatment plant according to claim 1, it is one or more pairs of to it is characterized in that described electrode has.
3. effluent treatment plant according to claim 1 is characterized in that described electrode is wire electrode or the battery lead plate that iron or aluminium are made.
4. according to claim 1 or 3 described effluent treatment plants, it is characterized in that each interelectrode distance is 0.5-5cm between described every counter electrode silk or the battery lead plate.
5. according to claim 1 or 3 described effluent treatment plants, it is characterized in that connecting described direct supply after, the current density between the described battery lead plate is 10-90A/m
2
6. effluent treatment plant according to claim 1 is characterized in that described fixation kit is the fixed support made from Resins, epoxy.
7. effluent treatment plant according to claim 1, the shell that it is characterized in that described membrane separation unit is columniform.
8. effluent treatment plant according to claim 1 is characterized in that described direct supply has intermittently by-pass cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202279488U CN201694916U (en) | 2010-06-18 | 2010-06-18 | Sewage purification device adopting electrocoagulation membrane separation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202279488U CN201694916U (en) | 2010-06-18 | 2010-06-18 | Sewage purification device adopting electrocoagulation membrane separation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201694916U true CN201694916U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202279488U Expired - Lifetime CN201694916U (en) | 2010-06-18 | 2010-06-18 | Sewage purification device adopting electrocoagulation membrane separation method |
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| Country | Link |
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| CN (1) | CN201694916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231607A (en) * | 2018-11-26 | 2019-01-18 | 佛山科学技术学院 | A kind of device and method by electric flocculation and microfiltration membranes combination processing industrial wastewater |
| CN113024031A (en) * | 2021-03-12 | 2021-06-25 | 江西绿建环保科技有限公司 | Integrated membrane coupling-electric flocculation sewage treatment device |
-
2010
- 2010-06-18 CN CN2010202279488U patent/CN201694916U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231607A (en) * | 2018-11-26 | 2019-01-18 | 佛山科学技术学院 | A kind of device and method by electric flocculation and microfiltration membranes combination processing industrial wastewater |
| CN113024031A (en) * | 2021-03-12 | 2021-06-25 | 江西绿建环保科技有限公司 | Integrated membrane coupling-electric flocculation sewage treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |