CN105776447A - Long-acting rotary conical electric flocculation device - Google Patents
Long-acting rotary conical electric flocculation device Download PDFInfo
- Publication number
- CN105776447A CN105776447A CN201610198927.XA CN201610198927A CN105776447A CN 105776447 A CN105776447 A CN 105776447A CN 201610198927 A CN201610198927 A CN 201610198927A CN 105776447 A CN105776447 A CN 105776447A
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- CN
- China
- Prior art keywords
- sacrificial anode
- negative electrode
- waste water
- long
- reaction tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000005189 flocculation Methods 0.000 title claims abstract description 31
- 230000016615 flocculation Effects 0.000 title claims abstract description 31
- 239000002351 wastewater Substances 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000005684 electric field Effects 0.000 claims abstract description 8
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 7
- 244000144992 flock Species 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a long-acting rotary conical electric flocculation device which comprises a conical cathode (1) and a sacrificial anode (2), wherein the cathode (1) is positioned in a conical cavity of the sacrificial anode (2); the sacrificial anode (2) with the thickness of 50-300mm has a downward open taper angle and is communicated with the outlet of a wastewater inlet pipe (3); an adjustable speed water pump (4) is arranged on the wastewater inlet pipe (3), so that wastewater is pumped into a conical ring shaped reaction tank (5) formed by a gap between the cathode (1) and the sacrificial anode (2) from bottom to top; a constant current electric field is applied between the cathode (1) and the sacrificial anode (2), so that the sacrificial anode (2) is consumed to generatecorresponding metal ions so as to treat the wastewater entering the conical ring shaped reaction tank (5) to form flocculation. According to the device disclosed by the invention, the wastewater can directly go in and out of the conical ring shaped reaction tank without silting, and the replacement cycle of the sacrificial anode is obviously prolonged to once per year even replacement-free throughout the life.
Description
Technical field
The present invention relates to electric flocculation technique field, specifically a kind for the treatment of effeciency to waste water is high, easy care and the replacement frequency of sacrificial anode can be reduced to and change long-acting rotational circle free of replacement even throughout one's life tapered electricity flocculation plant for a year.
Background technology
At present, electro-flucculation process is one of main method of wastewater treatment, it is common that is used on multipair parallel electrode plate and applies voltage, allows the waste water with electric conductivity meander through and wherein produce electric current.It is positioned at the aluminum of anode or iron electrode due to electrochemical action, becomes ion, Bound moisture produces after hydroxyl flocks.Various polluters in flocks absorption water, due to the assosting effect of the less hydrogen produced plus negative electrode of density own, Residual contamination material arrives surface, so that water quality improves.But, all there is certain problem in current flocculation basin design, waste water is meandering flow in reaction tank, and different local efficiency is different, and flocks can be deposited in the place that some flow velocity relatively delays, and thus causes: 1, high fault, 2, system effectiveness not high.Can As time goes on gradually use up simultaneously as anode is sacrificial electrode, but the design organizing parallel pole causes changing difficulty more.
Summary of the invention
It is an object of the invention to for prior art Problems existing, it is provided that a kind for the treatment of effeciency to waste water is high, easy care and the replacement frequency of sacrificial anode can be reduced to and change long-acting rotational circle free of replacement even throughout one's life tapered electricity flocculation plant for a year.
It is an object of the invention to solve by the following technical programs:
A kind of long-acting rotational circle tapered electricity flocculation plant, including the negative electrode being equipped with and sacrificial anode, it is characterized in that: described negative electrode and sacrificial anode are all positioned at the cone cavity of sacrificial anode in coniform and negative electrode, thickness is the cone angle downwardly facing opening of the sacrificial anode of 50mm～300mm and is connected with the outlet of waste water inlet pipe, waste water is squeezed in the conical ring shape reaction tank that the gap between negative electrode and sacrificial anode is constituted by adjustable speed water pump from bottom to top that arrange on waste water inlet pipe, by applying constant current electric field between negative electrode and sacrificial anode, sacrificial anode is consumed and produces the corresponding metal ion waste water to entering in conical ring shape reaction tank and carry out process formation flocculation.
Described negative electrode continues to rotate to drive the waste water in conical ring shape reaction tank to rotate the waste water after rising produces flocculation and process and arrives the upper end of sacrificial anode through the outflow of side indentation, there when working.
Described negative electrode adopts stainless steel or iron material matter to make.
Described sacrificial anode adopts aluminium material or iron material matter to form through mould shape.
Being provided with lifting regulating mechanism on described negative electrode makes the distance between negative electrode and sacrificial anode remain in the scope of 6mm～10mm.
The electric current of the constant current electric field applied between described negative electrode and sacrificial anode is 100～200 amperes/every square metre.
The present invention has the following advantages compared to existing technology:
The present invention replaces multipair parallel pole reaction tank by the conical ring shape reaction tank that can rotate, and conical single pass design avoids turbulent flow that many group parallel electrode design cause, dead volume, inefficient problem, and waste water is straight directly to be gone out, and will not deposit in reaction tank；By slowly rotating a wherein pole, it is possible to accelerate the flowing of waste water, effectively scrub sacrificial anode surface and the flocks of generation is quickly taken away, thus significantly improving the effective area of electrode；And make the replacing after the supplementary and fault after sacrificial anode loss simpler easy by the design of single pair of electrode；Therefore the efficiency of this electricity flocculation plant, ease for use, ease for maintenance are obtained for significant raising, effectively improve the application prospect of electric flocculation technique, be suitable for promoting the use of.
The present invention is by the notable thickness thickening sacrificial anode so that the replacement cycle of sacrificial anode significantly extends, according to specifically used situation, the replacement frequency that original to two months change can be reduced within 1 year one, change free of replacement even throughout one's life；And owing to the thickness of sacrificial anode dramatically increases, the increase of the distance of the negative and positive interpolar caused after certain time consumes can no longer be ignored, therefore on negative electrode, it being provided with the lifting regulating mechanism that changes up and down of position the controlling rotational circle cone-shaped cathode distance dynamically to regulate between electrode pair so that the distance between negative electrode and sacrificial anode is in desirable scope all the time.
Accompanying drawing explanation
Accompanying drawing 1 is the long-acting rotational circle tapered electricity flocculation plant structural representation of the present invention.
Wherein: 1 negative electrode；2 sacrificial anodes；3 waste water inlet pipes；4 adjustable speed water pumps；5 conical ring shape reaction tanks.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated with embodiment.
nullAs shown in Figure 1: a kind of long-acting rotational circle tapered electricity flocculation plant，Including the negative electrode 1 being equipped with and sacrificial anode 2，Adopt the negative electrode 1 that stainless steel or iron material matter are made and the cone cavity adopting aluminium material or the iron material matter sacrificial anode 2 through mould shape to be all positioned at sacrificial anode 2 composition in coniform and negative electrode 1，Thickness is the cone angle downwardly facing opening of the sacrificial anode 2 of 50mm～300mm and is connected with the outlet of waste water inlet pipe 3，Waste water is squeezed in the conical ring shape reaction tank 5 that the gap between negative electrode 1 and sacrificial anode 2 is constituted by adjustable speed water pump 4 from bottom to top that arrange on waste water inlet pipe 3，And negative electrode 1 is provided with lifting regulating mechanism the distance between negative electrode 1 and sacrificial anode 2 is remained in the scope of 6mm～10mm，By applying constant current electric field between negative electrode 1 and sacrificial anode 2, sacrificial anode 2 is consumed and produces the corresponding metal ion waste water to entering in conical ring shape reaction tank 5 and carry out process formation flocculation.Operationally, the electric current of the constant current electric field applied between negative electrode 1 and sacrificial anode 2 is 100～200 amperes/every square metre, and negative electrode 1 continues to rotate to drive the waste water in conical ring shape reaction tank 5 to rotate the waste water after rising produces flocculation and processes and arrives the upper end of sacrificial anode 2 through the outflow of side indentation, there.In said structure, for improving treatment effeciency further and determining size according to actually used condition, requirement, it is contemplated that ease for use and economy, the height of negative electrode 1 and sacrificial anode 2 and basal diameter are all limited between 200mm～4000mm.
When the long-acting rotational circle tapered electricity flocculation plant of the present invention uses, waste water is squeezed in conical ring shape reaction tank 5 by adjustable speed water pump 4 from bottom to top that arrange on waste water inlet pipe 3, by applying constant current electric field between negative electrode 1 and sacrificial anode 2, sacrificial anode 2 is constantly consumed and produces the corresponding metal ion waste water to entering in conical ring shape reaction tank 5 and carry out process formation flocculation；Negative electrode 1 continues the upper end rotating the waste water arrival sacrificial anode 2 after driving the waste water rotation rising in conical ring shape reaction tank 5 to produce flocculation and process through the outflow of side indentation, there simultaneously；Waste water after producing flocculation further being processed, can be recycled water and the absorption that the floats thereon flocks of a large amount of pollutant, after the flocks on separated surface, recycle-water just can directly reach or just can reach discharge standard through simple step.Continuous consumption along with sacrificial anode 2, spacing between sacrificial anode 2 and Cone cathode 1 can be continuously increased, now lifting regulating mechanism Cone cathode 1 constantly moves down, make to remain between sacrificial anode 2 and Cone cathode 1 desirable spacing, until whole sacrificial anode is totally consumed complete, significantly reduce the frequency of maintenance of this device.
The present invention replaces multipair parallel pole reaction tank by the conical ring shape reaction tank 5 that can rotate, the single pass design of cone avoids turbulent flow that many group parallel electrode design cause, dead volume, inefficient problem, waste water is straight directly to be gone out, and will not deposit in reaction tank；By slowly rotating a wherein pole, it is possible to accelerate the flowing of waste water, effectively scrub sacrificial anode 2 surface and the flocks of generation is quickly taken away, thus significantly improving the effective area of electrode；And make the replacing after the supplementary and fault after sacrificial anode 2 loss simpler easy by the design of single pair of electrode；Additionally by the notable thickness thickening sacrificial anode 2 so that the replacement cycle of sacrificial anode 2 significantly extends, according to specifically used situation, the replacement frequency that original to two months change can be reduced within 1 year one, change free of replacement even throughout one's life；And owing to the thickness of sacrificial anode 2 dramatically increases, the increase of the distance of the negative and positive interpolar caused after certain time consumes can no longer be ignored, therefore on negative electrode 1, it is provided with the lifting regulating mechanism that changes up and down of position controlling rotational circle cone-shaped cathode 1 distance dynamically to regulate between electrode pair, the distance between negative electrode 1 and sacrificial anode 2 is made to be in desirable scope all the time, the efficiency of this electricity flocculation plant, ease for use, ease for maintenance is made to be obtained for significant raising, effectively improve the application prospect of electric flocculation technique, be suitable for promoting the use of.
Above example is only the technological thought that the present invention is described, it is impossible to limits protection scope of the present invention, every technological thought proposed according to the present invention, any change done on technical scheme basis with this, each falls within scope；The technology that the present invention is not directed to all can be passed through prior art and be realized.
Claims (6)
- null1. a long-acting rotational circle tapered electricity flocculation plant，Including the negative electrode (1) being equipped with and sacrificial anode (2)，It is characterized in that: described negative electrode (1) and sacrificial anode (2) are all positioned at the cone cavity of sacrificial anode (2) in coniform and negative electrode (1)，Thickness is the cone angle downwardly facing opening of the sacrificial anode (2) of 50mm～300mm and is connected with the outlet of waste water inlet pipe (3)，Waste water is squeezed in conical ring shape reaction tank (5) that the gap between negative electrode (1) and sacrificial anode (2) is constituted by waste water inlet pipe (3) the upper adjustable speed water pump (4) arranged from bottom to top，By applying constant current electric field between negative electrode (1) and sacrificial anode (2), sacrificial anode (2) is consumed and produces the corresponding metal ion waste water to entering in conical ring shape reaction tank (5) and carry out process formation flocculation.
- 2. long-acting rotational circle according to claim 1 tapered electricity flocculation plant, it is characterised in that: described negative electrode (1) continues to rotate to drive the waste water in conical ring shape reaction tank (5) to rotate the waste water after rising produces flocculation and process and arrives the upper end of sacrificial anode (2) through the outflow of side indentation, there when working.
- 3. long-acting rotational circle according to claim 1 tapered electricity flocculation plant, it is characterised in that: described negative electrode (1) adopts stainless steel or iron material matter to make.
- 4. the long-acting rotational circle tapered electricity flocculation plant according to claim 1 or 3, it is characterised in that: described sacrificial anode (2) adopts aluminium material or iron material matter to form through mould shape.
- 5. long-acting rotational circle according to claim 1 tapered electricity flocculation plant, it is characterised in that: described negative electrode (1) is provided with lifting regulating mechanism and makes in the scope that the distance between negative electrode (1) and sacrificial anode (2) remains at 6mm～10mm.
- 6. long-acting rotational circle according to claim 1 tapered electricity flocculation plant, it is characterised in that: the electric current of the constant current electric field applied between described negative electrode (1) and sacrificial anode (2) is 100～200 amperes/every square metre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198927.XA CN105776447A (en) | 2016-04-01 | 2016-04-01 | Long-acting rotary conical electric flocculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198927.XA CN105776447A (en) | 2016-04-01 | 2016-04-01 | Long-acting rotary conical electric flocculation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105776447A true CN105776447A (en) | 2016-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610198927.XA Pending CN105776447A (en) | 2016-04-01 | 2016-04-01 | Long-acting rotary conical electric flocculation device |
Country Status (1)
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| CN (1) | CN105776447A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746339A (en) * | 2016-12-30 | 2017-05-31 | 四川师范大学 | The processing method of dyeing waste water |
| CN114790056A (en) * | 2022-05-05 | 2022-07-26 | 中创宏远（北京）环保科技有限公司 | Electric flocculation sewage treatment system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106746339A (en) * | 2016-12-30 | 2017-05-31 | 四川师范大学 | The processing method of dyeing waste water |
| CN114790056A (en) * | 2022-05-05 | 2022-07-26 | 中创宏远（北京）环保科技有限公司 | Electric flocculation sewage treatment system and method |
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Application publication date: 20160720 |
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