CN109534462A - A kind of round tube nested type rotating electrode of electrolytic sewage slot - Google Patents
A kind of round tube nested type rotating electrode of electrolytic sewage slot Download PDFInfo
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- CN109534462A CN109534462A CN201910038508.3A CN201910038508A CN109534462A CN 109534462 A CN109534462 A CN 109534462A CN 201910038508 A CN201910038508 A CN 201910038508A CN 109534462 A CN109534462 A CN 109534462A
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- 239000010865 sewage Substances 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 230000008029 eradication Effects 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000003487 electrochemical reaction Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005868 electrolysis reaction Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000002351 wastewater Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 231100001240 inorganic pollutant Toxicity 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 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
- C02F1/46104—Devices therefor; Their operating or servicing
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
A kind of round tube nested type rotating electrode of electrolytic sewage slot is isometric with one group, and equal metal circular tube size is not mutually nested in groups for diameter, is fixed in an eradication edge shaft, forms the electrode body of a nested round tube electrode pad+insulation shaft.During electrolysis handles sewage, electrode body slowly rotates, attachment, the accumulation of floccule are not generated on pole plate, clogging, and electrode swivel also has opposite increase liquid phase-electrode pad contact area, increases mass tranfer coefficient, the advantages that promotion electrochemical reaction process, improves reaction efficiency, and occupied area is small.
Description
Technical field
The present invention relates to one kind to be aoxidized and be sterilized to sewage by electrochemistry, and water body is clarified, and improves sewage treatment effect
The round tube nested type rotating electrode of the electrolytic sewage slot of fruit, belongs to electrolytic sewage process field.
Background technique
In recent years, China's rapid economic development, urban wastewater discharge continue to increase, and Urban Water Environment is by serious dirt
Dye, effluent problem has been China one severe environmental protection and economic problems.Due to cost of sewage disposal height, financial input is difficult
Think after so that wastewater treatment in China rate is very low, the cost and treatment effeciency of sewage treatment greatly restrict sewage treatment industry
Development.Therefore, research and development cost is low, and speed is fast, high-efficient sewage treatment technique, new equipment are sewage treatment industry
Developing direction.
Electrolytic treatment method of wastewater is exactly the device pole plate in electrolytic cell, makes in waste water harmful substance on yin, yang the two poles of the earth
Oxidation and reduction reaction, the method for transforming into innocuous substance to realize purification of waste water occur respectively.
In a variety of metal materials that can be used as electrode, the price of aluminium and iron due to its good dissolubility and relative moderate
Most frequently it is chosen as electrolytic bath electrode plate.When industrial wastewater contains plurality of heavy metal pollutant, soda acid pollutant etc., iron is mostly used to make
Electrode；And for polluting relatively light sanitary sewage, then mostly use metallic aluminium to make electrode.This is because aluminium electrode water outlet is steady
Fixed, cleaning, is able to satisfy higher process demand.Electrolytic cell requires to take appropriate spacing between two-plate, to guarantee that power consumption is less
And it is easily installed, runs and repairs.
This water treating method includes that electrochemical action, indirect oxidation and the indirect reduction effect on electrode surface (utilize electricity
Substance chemically reacts in the chemical product and water extremely nearby generated), electric flotation act on it is (micro- using what is generated in electrolytic process
Small O2、H2The floating of bubble), electric flocculation effect (since the ion that iron or aluminum metal anode dissolve further hydrolyzes, become hydrogen
The metal hydroxides activity coagulant not soluble in water such as ferrous oxide or aluminium hydroxide.This substance is in porosity gel knot
Structure has surface charge effect and stronger suction-operated, and obvolvent cohesion can be played to the organic or inorganic pollutant in waste water and is made
With making pollutant agglomerate and separate from waste water) etc..
The advantages of electrolysis method processing, is: using low-voltage dc power supply, not expending a large amount of chemical agents, grasps at normal temperatures and pressures
Make, management is easy；If Pollutants in Wastewater concentration changes, it can guarantee water outlet by adjusting the method for voltage and current
Water stabilization;Processing unit occupied area is small.The disadvantage is that: power consumption when handling a large amount of waste water, its dissolubility anode consumption is larger,
The anode particle of dissolution forms flocculant as epipole, precipitates suspended solids in sewage, and a large amount of cotton-shaped suspended matters are attached to
On electrode plate, cause water flow low, and can be attached to it is more and more on electrode plate, cause flocculation plant between electrode plate therefore
Barrier, voltage of electric field is high, frequently alarms, and integral device is caused to deactivate.
Summary of the invention
Big to solve the consumption of dissolubility anode, a large amount of cotton-shaped suspended matters are attached on electrode plate, cause that water flow is low, frequency
Between the pole plate that generates electricity the defects of flocculation plant failure, the present invention has creatively invented rotational structure type electrode.Because two-plate takes
Appropriate spacing, it is ensured that power consumption is less and is easily installed, runs and repairs.Therefore the present invention takes 2 isometric, diameters
The metal circular tube (material is iron or aluminium) to differ in size takes appropriate spacing, and the inside and outside nesting that is parallel to each other constitutes a nested circle
Pipe group is fixed in same root insulation shaft, and a round tube connects positive pole, another round tube connects power cathode, constitutes electricity
Solve yin-yang the two poles of the earth of slot.Circular pipe type electrode has electrochemical reaction effective area big, large specific surface area, the high spy for the treatment of effeciency
Point.Transmission device driving electrodes axis body is rotated in electrolytic cell with low angular speed, and the cylinder of rotation promotes sediment in gravity
It is moved down with sliding under the action of circumferential shearing force, finally falls into bottom of pond from cylinder face, sink to storage bucket, thus will not be between cylinder
Form absorption, accumulation, clogging.
Since cylinder is rotated with shaft.By quick rotation shaft, the shear flow of strong turbulence is formed, it can be to cylinder electricity
High speed souring is caused in pole, remove possible siltation, block it is very convenient.
The technical solution adopted by the present invention to solve the technical problems:
A kind of round tube nested type rotating electrode of electrolytic sewage slot, it is characterized in that: one group of isometric, diameter etc.；Diameter
Ascending, the equal cylindrical metal round tube of mutual diameter difference (material is iron or aluminium), size is mutually nested, from inside to outside
The composition concentric round tube group of one nesting arranged in parallel, is fixed in an eradication edge shaft, formed a nested round tube electrode pad+
The electrode body for the shaft that insulate；The cylindrical tube quantity is no less than 2；One round tube connects positive pole, another round tube connects
Power cathode；When round tube quantity is greater than 4, round tube or alternately connection positive pole, cathode；Or a round tube connects power supply
Cathode, remaining round tube connect positive pole；Or it is on the contrary；It, can nested 1~6 and cathode-anode plate between electrolytic cell anode and cathode
Being parallel to each other, mutually indepedent, insulation metal tube；Adjacent tube wall is at regular intervals；There are fin or groove on inside and outside tube wall.
Electrode body is immersed in electrolytic sewage slot, drives insulation shaft with lower angular speed in electrolytic cell by transmission device
Rotation；Sewage is full of in electrolytic cell, water flow is flowed along the axial direction of shaft in a cell, electrolytic cell is flowed into from shaft one end, from
The other end flows out electrolytic cell；Slot bottom has storage bucket.
The invention has the advantages that not generating the attachment of floccule, accumulation on round tube nested type rotating electrode pole plate, block up
Fill in phenomenon；Nested type rotating electrode has electrochemical reaction effective area big, large specific surface area, and electrolysis treatment effeciency is high, land occupation
The advantages that area is small；Between electrolytic cell anode and cathode, if adding one piece or a series of parallel metal sheet, these metal plates
Bipolar electrode is formed towards the aobvious cathodic of anode surface towards the aobvious positive polarity of cathode plane, the electrolytic cell constituted is double
Polarity electrolytic cell；The connection of round tube nested type rotating electrode is simple, and operational safety, power consumption substantially reduces, to reach energy saving effect
Fruit.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is perspective view of the invention.
Fig. 2 is three pipe electrode pole plate perspective views of the invention.
Fig. 3 is work longitudinal sectional view of the invention.
In figure: 1. electrolytic cell, 2. sewage, 3. center water inlet pipe, 4. reflecting plate, 5. apopore
6. 7. effluent trough 8. of effluent weir, which precipitates dirt 9., stores 10. sludge pipe of bucket
11. 12. shaft of round tube electrode plate, 13. electrode support
14. 15. groove of fin.
Specific embodiment
In the embodiment shown in fig. 3, material be aluminium the present invention (11) cover center sewage water inlet pipe (3) outside, by bracket
Support.One pole plate connects positive pole, another pole plate connects power cathode, and circuit passes through the current collection of hollow axle (12) respectively
Ring power supply.Sewage (2) is entered in slot (1) from top to bottom by the water inlet pipe (3) for being located at electrolytic cell (1) center, manages lower umbrella-shaped baffle
(4) waste water horizontal homogeneous is spread.Sewage (2) stream is limited by four circumferential grooves (1) wall space, is further separated into the electrode of overlapping arrangement
(11) parallel clearance space, along the flowing axially upwards of shaft (12) in clearance space.Sewage (2) passes through cylindrical metal
The narrow gap of series that pipe group (11) is formed, occurs a series of electrochemical reactions on electrode plate (11) and is cleaned processing, from cylinder
The outflow of metal tube group (11) upper end covers effluent weir (6) spilling, defeated to next work into effluent trough (7), then by apopore (5)
Sequence.
The sewage (2) flowed into from water inlet (3), stream enters the series length of cylindrical tube group (11) gap formation very respectively
Long narrow slot, arc-shaped siding limit the direction of motion of fluid, have the moving particle with axially distinct component velocity
Siding is hit in left and right direction.Since the boundary layer viscosity near solid wall surface is big, stall after moving particle collision, then collide
Stall again, last movement velocity are reduced to zero, exhaust energy on solid-liquid boundary, precipitate or be adhered on siding.Solid-liquid
Borderline region is the main region that suspended matter forms aggregation.
On electrode solid-liquid boundary, electrolysis generates the active oxygen atom O of strong oxidizing property, or connects with the bacterium in sewage
Touching eliminates the bacterium in sewage, or oxidative decomposition occurs with the organic matter in sewage, is decomposed into CO2And H2O；Lose electronics
Iron or aluminium ion dissolution enter water body, further hydrolyze to form the metallic hydrogen not soluble in water such as ferrous hydroxide or aluminium hydroxide
Oxide active flocculant.This substance is in porosity gel structure, has surface charge effect and stronger suction-operated, is made
Flocculant is formed for epipole, obvolvent cohesion can be played to the organic or inorganic pollutant in waste water, keep the suspension in sewage solid
Body object, pollutant agglomerate precipitating, thus purifying water body.
In excessively entire cylindrical tube group (11) the gap process of sewage flow, electrochemical reaction such as shade companion, is constantly sent out always
Raw, pipe group length is longer, and electrochemical reaction is more abundant, and the purification of sewage is more thorough.
Transmission device driving electrodes axis body (12) rotation in electrolytic cell (1) with low angular speed.It is convex on pole plate (11)
Rib (14) and groove (15) play stirring action to water body (2).On the one hand stirring action promotes sediment (8) to cut in gravity and radial direction
Sliding moves down under the action of shear force, finally falls into bottom of pond from pole plate (11), storage bucket (9) is sunk to, thus will not be in pole plate
(11) absorption, accumulation, clogging are generated on；Still further aspect, under the action of stirring, electrode zone and non-electrode region object
There is stronger mobility between material, improve mass transfer rate, accelerate electrochemical reaction on electrode surface, indirect oxidation and
Reduction reaction, electric flocculation reaction process are connect, reaction efficiency is improved, so have electrochemical action effective affecting acreage big, than
Surface area is big, the high feature for the treatment of effeciency.
Since inclination pole plate (11) is rotated with shaft (12).Fin by quick rotation shaft (12), on pole plate (11)
(14) and groove (15) is just like the winged blade turned of high speed, forms the shear flow of strong turbulence, can make to inclination pole plate (11)
At high speed souring, remove possible siltation, block it is very convenient.
Fig. 2 is three pipe electrode pole plate perspective views of the invention, and the pole plate of inner and outer ends connects the positive and negative anodes of power supply respectively, intermediate
Folded metal plate does not connect power supply.Under the induction of the two poles of the earth electric field, the plate towards anode surface aobvious cathodic, towards cathode plane
Aobvious positive polarity, forms bipolar electrode.The plate is not powered, but still plays electrolyzing sewage, to reach energy saving effect
Fruit.
Claims (1)
1. a kind of round tube nested type rotating electrode of electrolytic sewage slot, it is characterized in that: one group isometric, diameter etc.；Directly
Diameter is ascending, and the equal cylindrical metal round tube of mutual diameter difference (material be iron or aluminium), size is mutually nested, by it is interior to
The outer composition concentric round tube group of one nesting arranged in parallel, is fixed in an eradication edge shaft, forms a nested round tube electrode pole
Plate+insulation shaft electrode body；The cylindrical tube quantity is no less than 2；One round tube connects positive pole, another round tube
Connect power cathode；When round tube quantity is greater than 4, round tube or alternately connection positive pole, cathode；Or a round tube connects electricity
Source cathode, remaining round tube connect positive pole；Or it is on the contrary；It, can nested 1~6 and anode and cathode between electrolytic cell anode and cathode
That plate is parallel to each other, mutually indepedent, insulation metal tube；Adjacent tube wall is at regular intervals；There are fin or groove on inside and outside tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038508.3A CN109534462A (en) | 2019-01-16 | 2019-01-16 | A kind of round tube nested type rotating electrode of electrolytic sewage slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038508.3A CN109534462A (en) | 2019-01-16 | 2019-01-16 | A kind of round tube nested type rotating electrode of electrolytic sewage slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109534462A true CN109534462A (en) | 2019-03-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910038508.3A Pending CN109534462A (en) | 2019-01-16 | 2019-01-16 | A kind of round tube nested type rotating electrode of electrolytic sewage slot |
Country Status (1)
| Country | Link |
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| CN (1) | CN109534462A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362373A (en) * | 2020-03-03 | 2020-07-03 | 清华大学 | Electric flocculation device and electric flocculation water treatment device |
| CN115215491A (en) * | 2022-07-14 | 2022-10-21 | 宜昌绿源饮品科技股份有限公司 | Preceding stage water filtering mechanism and method in barreled water consumable filtering system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1483208A (en) * | 1974-10-01 | 1977-08-17 | Gotz F | Multiple electrolysis cell |
| EP0028925A1 (en) * | 1979-11-08 | 1981-05-20 | Charles Timothy Sweeney | Method of and generator for generation of chlorine-chlorine dioxide mixtures, chlorinating system and method |
| CN202193853U (en) * | 2011-08-23 | 2012-04-18 | 苟乃琛 | Tubular electrolytic cell |
| CN203128267U (en) * | 2013-03-27 | 2013-08-14 | 中北大学 | Device for super-gravity reinforcing mass transfer process of wastewater treatment through electro-Fenton method |
| CN203498136U (en) * | 2013-09-24 | 2014-03-26 | 杨作红 | Progressive three-stage electrochemical water treatment equipment |
-
2019
- 2019-01-16 CN CN201910038508.3A patent/CN109534462A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1483208A (en) * | 1974-10-01 | 1977-08-17 | Gotz F | Multiple electrolysis cell |
| EP0028925A1 (en) * | 1979-11-08 | 1981-05-20 | Charles Timothy Sweeney | Method of and generator for generation of chlorine-chlorine dioxide mixtures, chlorinating system and method |
| CN202193853U (en) * | 2011-08-23 | 2012-04-18 | 苟乃琛 | Tubular electrolytic cell |
| CN203128267U (en) * | 2013-03-27 | 2013-08-14 | 中北大学 | Device for super-gravity reinforcing mass transfer process of wastewater treatment through electro-Fenton method |
| CN203498136U (en) * | 2013-09-24 | 2014-03-26 | 杨作红 | Progressive three-stage electrochemical water treatment equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362373A (en) * | 2020-03-03 | 2020-07-03 | 清华大学 | Electric flocculation device and electric flocculation water treatment device |
| CN111362373B (en) * | 2020-03-03 | 2021-07-27 | 清华大学 | Electric flocculation device and electric flocculation water treatment device |
| CN115215491A (en) * | 2022-07-14 | 2022-10-21 | 宜昌绿源饮品科技股份有限公司 | Preceding stage water filtering mechanism and method in barreled water consumable filtering system |
| CN115215491B (en) * | 2022-07-14 | 2024-03-01 | 宜昌绿源饮品科技股份有限公司 | Front-stage water filtering mechanism and method in barreled water consumable filtering system |
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Application publication date: 20190329 |
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