CN116621288A - Device and method for treating wastewater by electric flocculation - Google Patents
Device and method for treating wastewater by electric flocculation Download PDFInfo
- Publication number
- CN116621288A CN116621288A CN202310732631.1A CN202310732631A CN116621288A CN 116621288 A CN116621288 A CN 116621288A CN 202310732631 A CN202310732631 A CN 202310732631A CN 116621288 A CN116621288 A CN 116621288A
- Authority
- CN
- China
- Prior art keywords
- electrode
- circulation
- anode electrode
- waste water
- chamber
- 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
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 74
- 238000005189 flocculation Methods 0.000 title claims abstract description 24
- 230000016615 flocculation Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000009471 action Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000004065 wastewater treatment Methods 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910018626 Al(OH) Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- -1 suspended matters Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
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 device for treating wastewater by electric flocculation, which comprises a shell, wherein a containing cavity for containing wastewater is formed in the shell, a cathode electrode and an anode electrode are arranged in the shell, the cathode electrode and the anode electrode are cylindrical electrodes with openings at two axial ends, the diameter of the anode electrode is smaller than that of the cathode electrode, the cathode electrode and the anode electrode are coaxially sleeved in the shell, the inner space of the anode electrode forms a first containing cavity, a gap between the anode electrode and the cathode electrode forms a second containing cavity, a turbulence structure is arranged in the first containing cavity, and the turbulence structure promotes the wastewater to circularly flow in the first containing cavity and the second containing cavity. The invention also discloses a method for treating wastewater by electric flocculation, which is used in combination with the device for treating wastewater by electric flocculation. The device for treating wastewater by electric flocculation can effectively improve the effect of treating wastewater by electric flocculation.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a device and a method for treating wastewater by electric flocculation.
Background
The anode and cathode in the electric flocculation device are subjected to oxidation-reduction reaction under the action of an external direct current electric field, so that the oxidation-reduction reaction can be carried out on organic matters or inorganic matters in the wastewater, and then the pollutants are separated from the water body through condensation and flotation. The device can effectively remove various harmful pollutants such as heavy metal, suspended matters, oil, phosphate and the like in the wastewater.
Electroflocculation is based on metals as the soluble anode (typically aluminum or iron), al being produced during electrolysis 3+ Or Fe (Fe) 3+ The ion generates an electroactive flocculant to compress the double layer of colloid to destabilize, and the adsorption bridging net capturing effect is realized: al-Al 3+ +3e or Fe.fwdarw.Fe 2+ +2e，Al 3+ +3H 2 O→Al(OH) 3 +3H or 4Fe 2+ +O 2 +2H 2 O→4Fe 3+ +4OH A first part Electroactive flocculant M (OH) formed on the one hand n The soluble polynuclear hydroxyl complex can be used as a coagulant to rapidly and effectively coagulate colloid suspended matters (tiny oil droplets and mechanical impurities) in sewage, and is connected in a bridging way, so that the colloid suspended matters are coagulated into a large block to accelerate separation. On the other hand, the colloid compresses the electric double layer under the action of electrolyte such as Al salt or Fe salt, and the colloid is coagulated to realize separation due to the coulomb effect or the adsorption action of coagulant, so that electric flocculation occurs.
Most of the electrode plates in the existing electric flocculation device are of plate type fixing structures, anode plates and cathode plates are arranged in a staggered mode, the reaction area is only the part between the cathode plates and the anode plates, and the whole device space is not fully utilized. On the other hand, the wastewater is stationary in the apparatus or simply stirred, and the wastewater in the entire apparatus cannot be sufficiently reacted. Some electroflocculation devices require additional flocculant addition because the flocculant generated by the electrode itself is insufficient to treat the wastewater to standard, but this increases material costs.
Disclosure of Invention
In order to solve at least one problem in the prior art, the invention provides a device for treating wastewater by electric flocculation, which can effectively improve the effect of treating wastewater by the electric flocculation device.
It is another object of the present invention to provide a method for treating wastewater by electroflocculation.
The invention solves the problems by the following technical means:
the utility model provides a device of electric flocculation treatment waste water, includes the casing, form the appearance chamber that is used for holding waste water in the casing, be equipped with cathode electrode and anode electrode in the casing, separate holding the chamber into first appearance chamber and the second appearance chamber that top and bottom communicate respectively through cathode electrode and anode electrode, cathode electrode and anode electrode are axial both ends open-ended cylinder electrode, anode electrode's diameter is less than cathode electrode's diameter, cathode electrode and anode electrode are coaxial to be cup jointed and install in the casing, anode electrode's inner space forms first appearance chamber, the clearance between anode electrode and the cathode electrode forms the second appearance chamber, is equipped with vortex structure in first appearance chamber, vortex structure promotes waste water circulation flow in first appearance chamber and second appearance chamber.
In one embodiment, the first chamber has a first circulation inlet and a first circulation outlet, the second chamber has a second circulation inlet and a second circulation outlet, the first circulation inlet communicates with the second circulation outlet, the second circulation inlet communicates with the first circulation outlet, and wastewater circulates in the first chamber and the second chamber sequentially through the first circulation inlet, the first circulation outlet, the second circulation inlet, and the second circulation outlet.
In one embodiment, the turbulence structure comprises a rotating shaft, a motor and turbulence blades arranged on the rotating shaft, and the motor drives the rotating shaft to rotate so as to drive the turbulence blades to rotate, thereby pushing the wastewater to circularly flow.
In one embodiment, the cathode electrode and the anode electrode are arranged vertically, and the turbulence structure is arranged vertically in the anode electrode, and the turbulence structure enables wastewater to flow in the anode electrode from bottom to top.
In one embodiment, there are a plurality of the first circulation outlets, and a plurality of the second circulation inlets correspondingly.
In one embodiment, a plurality of through holes are formed in the side wall of the anode electrode, and each through hole forms a first circulation outlet.
In one embodiment, the anode electrode includes a plurality of anode segments axially communicating, and the spacing between the two ends of adjacent anode segments forms a first circulation outlet.
In one embodiment, the bottom of the housing is provided with a water inlet.
In one embodiment, the top of the housing is provided with a water outlet.
In one embodiment, the electric power generator further comprises an external power supply and a wire slot tube, wherein the external power supply is electrically connected with the cathode electrode and the anode electrode, the anode electrode is fixedly connected with the wire slot tube, the wire slot tube is fixedly connected with the shell, and a circuit between the external power supply and the anode electrode is arranged in the wire slot tube.
In one embodiment, the cavity of the shell is cylindrical, and the cathode electrode is closely mounted on the inner wall of the cavity.
To achieve the second object of the present invention, the present invention provides a method of electroflocculation using the apparatus of at least one embodiment described above: the waste water is sucked from the first circulation inlet at the bottom of the anode electrode by generating negative pressure through the rotation of the turbulence blades, flows out from the first circulation outlet at the top or the side wall after passing through the inside of the anode electrode, flows out waste water enters the second containing cavity between the anode electrode and the cathode electrode from the second circulation inlet, and sinks to the bottom of the containing cavity under the action of self gravity, and the waste water is sucked again by the negative pressure generated by the turbulence blades from the second circulation outlet at the bottom of the containing cavity for continuous circulation, so that the waste water circularly flows in the containing cavity of the shell for multiple times, and the effect of treating the waste water by the electric flocculation reaction is improved.
The invention has at least the following beneficial effects:
1. the invention enables the wastewater to form circulation in the first containing cavity and the second containing cavity, and carries out electric flocculation treatment on the wastewater. The treatment effect is good, and even if flocculant is not added additionally, the wastewater treatment can reach the discharge standard, so that the construction area and the medicament cost are saved.
2. Furthermore, the polar plate is of a cylindrical structure, the overall specific surface area is large, the electron transfer efficiency is high, and the wastewater treatment capacity is improved. The anode plate consumes the speed evenly, can improve anode plate life under the condition of equal effective working area to the anode plate is convenient for change.
3. Furthermore, the invention designs a turbulence structure and a sectional anode electrode, which have a flow dividing effect on wastewater, form multi-radial and multi-angle turbulence and generate H with the water flow direction and the cathode plate 2 Bubble formation convection to promote Al generation during anodic electrolysis 3+ Or Fe (Fe) 3+ The ion generated electroactive flocculant is contacted with the water body, so that the electroflocculation treatment efficiency is improved. Meanwhile, the polar plate passivation phenomenon can be relieved by water flow flushing.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic illustration of a construction of a first disclosure of a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a second disclosed construction of a preferred embodiment of the present invention;
fig. 3 is a schematic diagram of a third disclosed structure of a preferred embodiment of the present invention.
Reference numerals: 1. a housing; 2. a cavity; 201. a first cavity; 201-1, a first circulation inlet; 201-2, a first circulation outlet; 202. a second cavity; 202-1, a second recycle inlet; 202-2, a second circulation outlet; 3. an anode electrode; 4. a cathode electrode; 5. a turbulence structure; 501. a motor; 502. a rotation shaft; 503. turbulence blades; 6. a water inlet; 7. a water outlet; 8. an external power source; 9. a wire slot tube.
Detailed Description
The invention is further described in detail below by means of the figures and examples. The features and advantages of the present invention will become more apparent from the description. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention.
The terms "first" and "second" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1, a preferred embodiment of the present invention discloses an apparatus for treating wastewater by electroflocculation, comprising a housing 1, wherein a cavity 2 for accommodating wastewater is formed in the housing 1, a cathode electrode and an anode electrode 3 are arranged in the housing 1, and in this embodiment, the cathode electrode and the anode electrode 3 are cylindrical electrodes with openings at two axial ends. The cylindrical electrode has larger specific surface area, higher electron transfer efficiency and can improve the electric flocculation treatment efficiency. The anode in the device for treating wastewater by electroflocculation is a consumption electrode, the anode consumption rate of the cylindrical electrode is more uniform, the service life of the anode electrode 3 can be prolonged relatively, and the replacement is convenient. The cavity 2 inside the casing 1 is divided into a first cavity 201 and a second cavity 202 which are communicated end to end by the cathode electrode and the anode electrode 3, in this embodiment, the diameter of the anode electrode 3 is smaller than that of the cathode electrode, the cathode electrode 3 and the anode electrode 3 are coaxially sleeved in the casing 1, the first cavity 201 is a space formed inside the anode electrode 3, and the second cavity 202 is a space formed by a gap between the anode electrode 3 and the cathode electrode 3. Inside the anode electrode 3, a turbulence structure 5 is provided, the turbulence structure 5 includes a rotating shaft 502, a motor 501, and turbulence blades 503 mounted on the rotating shaft 502, where the turbulence blades 503 may be any one of a propeller impeller, a blade impeller, and a turbine impeller. The motor 501 drives the rotation shaft 502 to rotate so as to drive the turbulence blades 503 to rotate, thereby pushing the wastewater to circulate in the first accommodating cavity 201 and the second accommodating cavity 202. The cathode electrode and the anode electrode 3 are powered by an external power supply 8 to perform electric flocculation treatment on the wastewater in the accommodating cavity 2. The wastewater circularly flows in the accommodating cavity 2, so that the electric flocculation treatment effect can be effectively improved, and meanwhile, the problem of electrode passivation can be relieved by flushing of water flow.
Referring to fig. 1, the first chamber 201 has a first circulation inlet 201-1 and a first circulation outlet 201-2, the second chamber 202 has a second circulation inlet 202-1 and a second circulation outlet 202-2, the first circulation inlet 201-1 communicates with the second circulation outlet 202-2, the second circulation inlet 202-1 communicates with the first circulation outlet 201-2, and wastewater circulates in the first chamber 201 and the second chamber 202 sequentially through the first circulation inlet 201-1, the first circulation outlet 201-2, the second circulation inlet 202-1, and the second circulation outlet 202-2. In this embodiment, the cathode electrode and the anode electrode 3 are vertically arranged, the turbulence structure 5 is vertically arranged in the anode electrode 3, and the turbulence structure 5 causes wastewater to flow in the anode electrode 3 from bottom to top. The bottom opening of the anode electrode 3 arranged vertically is the first circulation inlet 201-1, and the top opening of the anode electrode 3 is the first circulation outlet 201-2.
The circulating flow process of the wastewater comprises the following steps: the turbulence structure 5 sucks the wastewater from the first circulation inlet 201-1 to the first circulation outlet 201-2 from the bottom up by agitation of the turbulence blades 503. The wastewater flows out from the first circulation outlet 201-2 and then spreads to the second circulation inlet 202-1, and the second circulation inlet 202-1 is the top opening of the gap between the cathode electrode and the anode electrode 3. The wastewater flows downwards through the second cavity 202 under the action of self gravity and negative pressure at the bottom of the cavity 2, and finally the second circulation outlet 202-2 at the bottom of the second cavity 202 is subjected to the negative pressure generated by the turbulence blades 503, and reenters the first cavity 201 from the first circulation inlet 201-1 to continue circulating flow. The wastewater flows downwards in the second containing cavity 202, collides with H2 bubbles generated by the electrodes, and moves upwards under the action of buoyancy, and water flow and bubbles form opposite convection. H generated by cathode electrode 2 The escape speed is high, the residence time on the surface of the electrode is short, the generation of aerosol in the water body is enhanced, and the floating of partial impurity particles carried by bubbles is promoted. After multiple cycles, the wastewater reaches the discharge standard.
Referring to fig. 1, a water outlet 7 is provided at the top of the housing 1, and a water inlet 6 is provided at the bottom of the housing 1. Specifically, a water outlet 7 is formed in the side wall of the top of the shell 1, and the water outlet 7 is used for discharging the treated wastewater to the outside through a drain pipe. Preferably, in this embodiment, a water inlet pipe is connected to a water pump, so that the waste water is pumped from the outside to the bottom of the casing 1. In other embodiments, the water inlet 6 and the water outlet 7 may be arranged in other positions. The water outlet 7 is in a closed state in the wastewater treatment process, and the water outlet 7 is opened to discharge water after the wastewater treatment is qualified.
Referring to fig. 1, in this embodiment, the inner cavity 2 of the housing 1 is cylindrical, the cathode electrode is matched with the cavity 2, and the cathode electrode 3 is mounted on the inner wall of the cavity 2 in a close fit, so that the wastewater can flow down from the gap between the cathode electrode and the anode electrode 3 as much as possible, the wastewater is prevented from flowing through the gap between the cathode electrode and the housing 1, and the wastewater treatment efficiency is improved.
Referring to fig. 2, in the present embodiment, a plurality of through holes are formed on the sidewall of the anode electrode 3, each through hole forms a first circulation outlet 201-2, each through hole forms a second circulation inlet 202-1 on one side of the second cavity 202, and the second circulation inlets 202-1 are in one-to-one correspondence with the first circulation outlets 201-2. The wastewater in the first accommodating cavity 201 is split through the through holes to form multi-radial and multi-angle turbulence, so that the electric flocculation treatment effect is improved.
Referring to fig. 3, in the present embodiment, the anode electrode 3 includes a plurality of anode segments axially communicating, and a space between both ends of adjacent anode segments forms a plurality of first circulation outlets 201-2 of the first chamber 201. The spacing of adjacent anode segment diameters corresponds to a plurality of second circulation inlets 202-1 in the second plenum 202. Likewise, the wastewater can form turbulent flow with multiple radial directions and multiple angles, and the electric flocculation treatment effect is improved.
Referring to fig. 1-3, in this embodiment, the electric power source comprises an external power source 8 and a wire slot tube 9, the external power source 8 is electrically connected with the cathode electrode 4 and the anode electrode 3, the anode electrode 3 is fixedly connected with the wire slot tube 9, the wire slot tube 9 is fixedly connected with the shell 1, and a circuit between the external power source 8 and the anode electrode 3 is arranged in the wire slot tube 9. The wire slot tube 9 plays a role of fixing the anode electrode 3 and wiring, and the bottom end or the top end of the wire slot tube 9 is fixed at the bottom or the top of the shell 1 or at other positions where motion interference cannot be generated. In this embodiment, the wire slot pipes are all fixedly connected with the top of the shell. The trunking pipe 9 has at least one connection branch to the anode electrode 3, the anode electrode 3 in fig. 3 having a plurality of electrode segments, so that the trunking pipe 9 extends with a plurality of connection branches fixedly connected to the respective electrode segments.
According to the device of the third preferred embodiment of the invention, in combination with the method for treating wastewater by electroflocculation, wastewater after slurry centrifugation of a certain garbage treatment plant is selected as raw water for treatment. The device for treating wastewater by electroflocculation of the traditional plate-type fixed structure is selected as a comparison group, and the production model of the device for treating wastewater by electroflocculation of the traditional plate-type fixed structure is as follows: YC-ECOE-2L, the data in the following table are effluent index data of two groups of devices after continuous operation for 6 hours under the conditions of current 3000A and flow rate 2L/h:
in summary, the device for treating wastewater by electroflocculation according to the embodiment can effectively improve the effect of treating wastewater by electroflocculation.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a device of electric flocculation treatment waste water, includes casing (1), form in casing (1) and be used for holding appearance chamber (2) of waste water, be equipped with negative pole electrode (4) and positive pole electrode (3) in casing (1), separate appearance chamber (2) into first appearance chamber (201) and second appearance chamber (202) that top and bottom communicate respectively through negative pole electrode and positive pole electrode (3), negative pole electrode (4) and positive pole electrode (3) are axial both ends open-ended cylindrical electrode, the diameter of positive pole electrode (3) is less than the diameter of negative pole electrode (4), negative pole electrode (4) and positive pole electrode (3) are coaxial cup joint and install in casing (1), the inner space of positive pole electrode (3) forms first appearance chamber (201), clearance between positive pole electrode (3) and negative pole electrode (4) forms second appearance chamber (202), is equipped with vortex structure (5) in first appearance chamber (201), vortex structure (5) promote waste water and flow in first appearance chamber (201) and second appearance chamber (201).
2. An apparatus for the electroflocculation treatment of waste water according to claim 1, characterized in that the first chamber (201) has a first circulation inlet (201-1) and a first circulation outlet (201-2), the second chamber (202) has a second circulation inlet (202-1) and a second circulation outlet (202-2), the first circulation inlet (201-1) communicates with the second circulation outlet (202-2), the second circulation inlet (202-1) communicates with the first circulation outlet (201-2), and waste water circulates in the first chamber (201) and the second chamber (202) sequentially via the first circulation inlet (201-1), the first circulation outlet (201-2), the second circulation inlet (202-1), the second circulation outlet (202-2).
3. An apparatus for treating waste water by electric flocculation according to claim 2, wherein the turbulence structure (5) comprises a rotating shaft (502), a motor (501) and turbulence blades (503) arranged on the rotating shaft (502), and the motor (501) drives the rotating shaft (502) to rotate so as to drive the turbulence blades (503) to rotate, thereby promoting the waste water to circulate.
4. An apparatus for the electroflocculation treatment of waste water according to claim 3, characterized in that the cathode electrode and the anode electrode (3) are arranged vertically, the turbulence structure (5) is arranged vertically in the anode electrode (3), the turbulence structure (5) causes waste water to flow in the anode electrode (3) from bottom to top.
5. An apparatus for treating wastewater by electroflocculation according to claim 4, characterized in that a plurality of through holes are provided in the side wall of the anode electrode (3), each through hole forming a first circulation outlet (201-2).
6. An apparatus for the electroflocculation treatment of waste water according to claim 4, wherein said anode electrode (3) comprises a plurality of anode segments in axial communication, the spacing between the two ends of adjacent anode segments forming a first circulation outlet (201-2).
7. The device for treating wastewater by electric flocculation according to any one of claims 1 to 6, characterized in that the bottom of the housing (1) is provided with a water inlet (6), the top of the housing (1) is provided with a water outlet (7), the device further comprises an external power supply (8) and a wire slot tube (9), the external power supply (8) is electrically connected with the cathode electrode (4) and the anode electrode (3), the anode electrode (3) is fixedly connected with the wire slot tube (9), the wire slot tube (9) is fixedly connected with the housing (1), and a circuit between the external power supply (8) and the anode electrode (3) is arranged in the wire slot tube (9).
8. An apparatus for the electroflocculation treatment of waste water according to any one of claims 1-6, wherein the chamber (2) of the housing (1) is cylindrical and the cathode electrode is mounted snugly against the inner wall of the chamber (2).
9. A method for treating wastewater by electroflocculation, which is characterized in that the wastewater is sucked from a first circulation inlet (201-1) at the bottom of an anode electrode (3) through negative pressure generated by rotating a turbulence blade (503), flows out from a first circulation outlet (201-2) at the top or side wall through the inside of the anode electrode (3), flows out from a second circulation inlet (202-1) into a second containing cavity (202) between the anode electrode (3) and a cathode electrode, and sinks to the bottom of the containing cavity (2) under the action of self gravity, and is sucked again by the negative pressure generated by the turbulence blade (503) from the second circulation outlet (202-2) at the bottom of the containing cavity (2) for continuous circulation, and the wastewater circularly flows in the containing cavity (2) of a shell (1) for a plurality of times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310732631.1A CN116621288A (en) | 2023-06-20 | 2023-06-20 | Device and method for treating wastewater by electric flocculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310732631.1A CN116621288A (en) | 2023-06-20 | 2023-06-20 | Device and method for treating wastewater by electric flocculation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116621288A true CN116621288A (en) | 2023-08-22 |
Family
ID=87613541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310732631.1A Pending CN116621288A (en) | 2023-06-20 | 2023-06-20 | Device and method for treating wastewater by electric flocculation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116621288A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117983000A (en) * | 2024-03-12 | 2024-05-07 | 临沂腾德新型材料有限公司 | Waste gas treatment device for flame-retardant plate spraying workshop |
-
2023
- 2023-06-20 CN CN202310732631.1A patent/CN116621288A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117983000A (en) * | 2024-03-12 | 2024-05-07 | 临沂腾德新型材料有限公司 | Waste gas treatment device for flame-retardant plate spraying workshop |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201309849Y (en) | Electrocagulation device for wastewater treatment | |
| CN107215929A (en) | A kind of electric flocculation unit, electric flocculation device and heavy metal waste water treatment system | |
| CN206751604U (en) | The wastewater treatment equipment that a kind of bioelectrochemical system couples with UASB | |
| CN106430454B (en) | A kind of wastewater treatment equipment and method based on electrochemical principle | |
| CN106946405A (en) | Wastewater treatment equipment and its method that bioelectrochemical system is coupled with UASB | |
| CN207498185U (en) | A kind of double helix stirs electro-chemical water treatment reactor | |
| CN112694199A (en) | Electrochemical combined water treatment device | |
| CN111620414A (en) | Electrochemistry water treatment facilities | |
| CN103723867A (en) | Double-effect air-floatation algae-laden water treatment apparatus and treatment technology thereof | |
| CN116621288A (en) | Device and method for treating wastewater by electric flocculation | |
| EP0880471A1 (en) | Water purification plant | |
| CN108892211A (en) | A kind of electrocoagulation, electric floating and electro-redox remove algae water process all-in-one machine | |
| CN212334880U (en) | Electrode plate assembly and electric flocculation sewage treatment device | |
| CN219885796U (en) | Device capable of preventing sludge at front end of secondary sedimentation tank from sedimentation | |
| CN212102375U (en) | Gas field high concentration organic waste water electrochemical coupling treatment recycling device | |
| CN203238128U (en) | Integrated multipole electrochemical water treatment equipment | |
| CN206089132U (en) | Rotatory cross -flow electricity flocculation reactor | |
| CN220034111U (en) | Air-float separator | |
| CN214936269U (en) | Waste water treatment device | |
| CN212655527U (en) | Overflow type electrochemical water treatment equipment | |
| CN215208959U (en) | Waste water treatment system for powder coating process | |
| CN211546036U (en) | Electrolysis air-float equipment | |
| CN114044605A (en) | Electrocatalytic oxidation treatment method for gas production wastewater of foam drainage | |
| CN220317489U (en) | Surface self-cleaning type electrolytic phosphorus removing device | |
| CN202072570U (en) | Electrocoagulation air floatation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |