CN107879432A - Electric flocculation Waste Water Treatment - Google Patents
Electric flocculation Waste Water Treatment Download PDFInfo
- Publication number
- CN107879432A CN107879432A CN201711102878.6A CN201711102878A CN107879432A CN 107879432 A CN107879432 A CN 107879432A CN 201711102878 A CN201711102878 A CN 201711102878A CN 107879432 A CN107879432 A CN 107879432A
- Authority
- CN
- China
- Prior art keywords
- waste water
- electric flocculation
- water treatment
- conductive casing
- electrolysis
- 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.)
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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- 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
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
Abstract
The invention provides a kind of electric flocculation Waste Water Treatment.The electric flocculation Waste Water Treatment includes electric flocculation device and return line.Electric flocculation device includes conductive casing and electrolysis part, has wastewater treatment chamber in conductive box body, and the water inlet and delivery port being connected respectively with wastewater treatment chamber are provided with conductive casing, and electrolysis part is arranged on wastewater treatment intracavitary.Return line is connected between delivery port and water inlet.Apply the technical scheme of the present invention, the inwall of wastewater treatment chamber can participate in being electrolysed, and reduce and additionally set the volume needed for negative electrode in wastewater treatment intracavitary, take full advantage of the volume of conductive casing.The waste water that by return line delivery port can be allowed to flow out is passed through in conductive box body by water inlet again carries out re-electrolysis processing or cyclic electrolysis processing, and then the handling rate of heavy metal pollution in wastewater thing can be improved, the content of heavy metal pollution in wastewater thing is reduced as much as possible.
Description
Technical field
The present invention relates to technical field of waste water processing, in particular to a kind of electric flocculation Waste Water Treatment.
Background technology
At present, in non-ferrous metal industry, one of waste water method of edge treatment is to use electric flocculation technique.Traditional electricity wadding
Typically by the way of open electrolytic cell adds iron plate commutation electrolysis, the waste water after electrolysis is exposed solidifying technique into aeration tank
Gas.
When in use, water velocity is slower for above-mentioned electric flocculation technique, and earth of positive pole blockage problem easily occurs between pole plate；Electricity
Solution efficiency is limited to the area of iron plate, and electrolytic efficiency is low.Further, since above-mentioned electric flocculation technique is only to entering the stream in electrolytic cell
Logical waste water carries out once electrolytic processing, and electrolysis processing generally not enough fully, can make it that the heavy metal contaminants of residual are exceeded.
The content of the invention
It is a primary object of the present invention to provide a kind of electric flocculation Waste Water Treatment, to solve electric flocculation in the prior art
The problem of Waste Water Treatment efficiency is low.
To achieve these goals, the invention provides a kind of electric flocculation Waste Water Treatment, including：Electric flocculation device,
For carrying out electrolysis processing to waste water, electric flocculation device includes conductive casing and electrolysis part, has wastewater treatment in conductive box body
Chamber, the water inlet and delivery port being connected respectively with wastewater treatment chamber are provided with conductive casing, and electrolysis part is arranged at waste water
Intracavitary is managed, electrolysis part is as anode, and conductive casing is as negative electrode；Return line, it is connected between delivery port and water inlet, is used for
The waste water that delivery port flows out is passed through in conductive box body by water inlet again and carries out circular treatment.
Further, electric flocculation Waste Water Treatment also includes aeration tank, and aeration tank is arranged on the downstream of electric flocculation device,
For carrying out Air Exposure to waste water.
Further, electric flocculation Waste Water Treatment also includes flocculation basin, and flocculation basin is arranged on the downstream of aeration tank, is used for
Flocculation treatment is carried out to waste water.
Further, electric flocculation Waste Water Treatment also includes sedimentation basin, and sedimentation basin is arranged on the downstream of flocculation basin, precipitation
Pond is used to settle the heavy metal contaminants in waste water.
Further, return line is connected on the pipeline being connected between delivery port and aeration tank, and return line is used for will
The effluent part of delivery port outflow is back in conductive box body, and the other part waste water of delivery port outflow is passed through in aeration tank.
Further, installing port is further opened with conductive casing, electrolysis part is installed into wastewater treatment intracavitary by installing port,
Electric flocculation device also includes closure, and closure lid is located at sealing wastewater treatment chamber on installing port.
Further, be equipped with contact rod on closure, contact rod is connected power supply with electrolysis part, contact rod and closure it
Between be provided with sealing ring.
Further, electric flocculation device also includes isolating pad, and isolating pad is arranged on bottom and the electrolysis part of wastewater treatment chamber
Between, isolating pad is used to support electrolysis part.
Further, water inlet is arranged on the bottom of conductive casing, and delivery port is arranged on the top of conductive casing.
Further, electric flocculation device also includes dc source, and the positive pole of dc source is connected with electrolysis part, dc source
Negative pole and conductive box body phase connect.
Further, it is provided with air-breathing part on the pipeline connected between aeration tank and electric flocculation device, air-breathing part is used for pair
The waste water in pipeline between aeration tank and electric flocculation device is ventilated.
Apply the technical scheme of the present invention, during handling waste water, because whole conductive casing is as cloudy
Pole uses, and the inwall of wastewater treatment chamber can participate in being electrolysed, reduce and additionally be set needed for negative electrode in wastewater treatment intracavitary
Volume, take full advantage of the volume of conductive casing.In addition, the inwall of whole wastewater treatment chamber has been involved in electrolysis, electricity is improved
Can efficiency.So, the operating efficiency of electric flocculation Waste Water Treatment is just improved, also reduces its floor space.In addition, pass through
Return line can allow delivery port flow out waste water again by water inlet be passed through in conductive box body carry out re-electrolysis processing or
Cyclic electrolysis processing, and then the handling rate of heavy metal pollution in wastewater thing can be improved, heavy metal in waste water is reduced as much as possible
The content of pollutant.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The Figure of description for forming the part of the present invention is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the overall structure diagram of the embodiment of the electric flocculation Waste Water Treatment according to the present invention；
Fig. 2 shows the overall structure diagram of the electric flocculation device of Fig. 1 electric flocculation Waste Water Treatment.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, electric flocculation device；11st, conductive casing；111st, water inlet；112nd, delivery port；113rd, closure；114th, it is conductive
Rod；12nd, it is electrolysed part；13rd, isolating pad；14th, dc source；20th, return line；30th, aeration tank；40th, flocculation basin；50th, sedimentation basin.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Term can exchange in the appropriate case, so as to embodiments of the invention described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Fig. 1 shows the embodiment of the electric flocculation Waste Water Treatment of the present invention, and the electric flocculation Waste Water Treatment includes
Electric flocculation device 10 and return line 20.As shown in Fig. 2 electric flocculation device 10 includes conductive casing 11 and electrolysis part 12, it is conductive
There is wastewater treatment chamber in casing 11, be provided with conductive casing 11 water inlet 111 that is connected respectively with wastewater treatment chamber and
Delivery port 112, electrolysis part 12 are arranged on wastewater treatment intracavitary.In use, electrolysis part 12 is used as anode, conductive casing 11 is as cloudy
Pole.Electric flocculation device 10 is used to carry out electrolysis processing to waste water.Return line 20 be connected to delivery port 112 and water inlet 111 it
Between, the waste water for delivery port 112 to be flowed out is passed through in conductive casing 11 by water inlet 111 again carries out circular treatment.
Using the technical scheme of the present embodiment, during handling waste water, because whole conductive casing 11 is made
Used for negative electrode, the inwall of wastewater treatment chamber can participate in being electrolysed, reduce and additionally set negative electrode institute in wastewater treatment intracavitary
The volume needed, take full advantage of the volume of conductive casing 11.In addition, the inwall of whole wastewater treatment chamber has been involved in electrolysis, carry
High electric energy efficiency.So, the operating efficiency of electric flocculation Waste Water Treatment is just improved, also reduces its floor space.Separately
Outside, the waste water that by return line 20 delivery port 112 can be allowed to flow out is passed through in conductive casing 11 by water inlet 111 again to be carried out
Re-electrolysis processing or cyclic electrolysis processing, and then the handling rate of heavy metal pollution in wastewater thing can be improved, as much as possible
Reduce the content of heavy metal pollution in wastewater thing.
As shown in figure 1, in the technical scheme of the present embodiment, electric flocculation Waste Water Treatment also includes aeration tank 30, exposes
Air drain 30 is arranged on the downstream of electric flocculation device 10, for carrying out Air Exposure to waste water.It is more highly preferred to, at electric flocculation waste water
Reason system also includes flocculation basin 40, and flocculation basin 40 is arranged on the downstream of aeration tank 30, for carrying out flocculation treatment to waste water.Use
When, first pass through electric flocculation device 10 and electrolysis processing is carried out to waste water, then logical aeration tank 30 carries out Air Exposure to waste water, again finally
Flocculation treatment is carried out to waste water by flocculation basin 40, it is possible to come out the separated from contaminants such as the heavy metal in waste water.As one
Kind preferred embodiment, electric flocculation Waste Water Treatment also include sedimentation basin 50, and sedimentation basin 50 is arranged under flocculation basin 40
Trip, sedimentation basin 50 are used to settle the heavy metal contaminants in waste water.Finally, by the settlement treatment of sedimentation basin 50, in waste water
Heavy metal contaminants can is separated, and the supernatant in sedimentation basin 50 is water outlet after processing.
When using Novel electric flocculation plant shown in Fig. 2, flowing velocity is very fast in a device for current, can avoid the earth of positive pole
Deposition and caused by blockage problem, but cause retention time of sewage to be not easy to be controlled, electric flocculation efficiency cannot ensure.As
A kind of preferred embodiment, as shown in figure 1, return line 20 is connected to the pipe being connected between delivery port 112 and aeration tank 30
On road.Return line 20 is used to the effluent part that delivery port 112 flows out being back in conductive casing 11, and delivery port 112 flows out
Other part waste water be passed through in aeration tank 30.In use, by adjusting suitable reflux ratio regulation activity material electrolysis amount, from
And electrolytic efficiency is controlled, ensure out water treatment efficiency.Optionally, control effluent recycling volume account for water outlet water 5%~
99%.
Optionally, be provided with negative electrode engaging lug on conductive casing 11, by negative electrode engaging lug can with more convenient with the moon
Pole power supply connection.
Optionally, in the technical scheme of the present embodiment, conductive casing 11 can be by stainless steel, titanium, copper or other conductions
Intermetallic composite coating forms, and can also be formed by machining graphite.
Optionally, in the technical scheme of the present embodiment, electrolysis part 12 is fine aluminium or pure iron or carbon steel.
As shown in Fig. 2 in the technical scheme of the present embodiment, installing port is further opened with conductive casing 11, is electrolysed part 12
Wastewater treatment intracavitary is installed into by installing port.Electric flocculation device also includes closure 113, and the lid of closure 113 is located at installing port
Upper sealing wastewater treatment chamber.Covered by closure 113 on installing port, it is ensured that the sealing in wastewater treatment intracavitary portion.Can
Choosing, in the technical scheme of the present embodiment, it is connected through a screw thread between closure 113 and conductive casing 11.Preferably, seal
Lid 113 is made up of insulating materials.
As a preferred embodiment, as shown in Fig. 2 be equipped with contact rod 114 on closure 113, contact rod 114
Power supply is connected with electrolysis part 12.When in use, contact rod 114 is connected with anode supply, and electrolysis part 12 is made in wastewater treatment intracavitary
Used for anode.Preferably, it is provided with sealing ring between contact rod 114 and closure 113.It can be increased by the sealing ring and led
Sealing property between torch 114 and closure 113, the liquid of wastewater treatment intracavitary is avoided to be worn by stating on closure 113
The mounting hole of contact rod 114 leaks.Optionally, contact rod 114 is made up of fine copper.
As the optional embodiment not shown in a kind of figure, closure 113 can not also be used, and part 12 will be electrolysed
Wastewater treatment intracavitary is installed directly into by installing port.
As shown in Fig. 2 in the technical scheme of the present embodiment, electric flocculation device also includes isolating pad 13, and isolating pad 13 is set
Put between the bottom of wastewater treatment chamber and electrolysis part 12, isolating pad 13 is used to support electrolysis part 12.Under normal circumstances, in order to subtract
The electrolysis area changed number and improve anode of primary anode, can select the electrolysis part 12 of large volume, so be electrolysed part 12
Weight certainly will increase, and can be only not sufficiently stable come stationary electrolysis part 12 by contact rod 114.Therefore set in the bottom of wastewater treatment chamber
Isolating pad 13, electrolysis part 12 can be played a supporting role, with more stably stationary electrolysis part 12.Preferably, isolating pad 13
Supported for insulating materials, to ensure the insulating properties between electrolysis part 12 and wastewater treatment chamber.It is more highly preferred to, in electrolysis part 12
Isolating pad is also equipped between closure 113, with the insulating properties between enhancing electrolysis part 12 and closure 113.Optionally,
Isolating pad 13 is processed for non-conductive duroplasts.
As a preferred embodiment, as shown in Fig. 2 be provided with conductive casing 11 respectively with wastewater treatment chamber phase
The water inlet 111 and delivery port 112 of connection, water inlet 111 are arranged on the bottom of conductive casing 11, and delivery port 112, which is arranged on, leads
The top of electronic box body 11.So, the waste water that water inlet 111 can be allowed to be passed through is understood during being gradually increasing with being electrolysed part 12
Entirety all contacted, and only need control water inlet 111 waste water be passed through speed can control waste water at waste water
Manage intracavitary residence time.Meanwhile the set-up mode of this water inlet 111 and delivery port 112, can allow waste water along electrolysis part
12 tangential flowings, in time take product out of, and keep the activity of electrolytic iron, and the impurity such as removing heavy metals are effectively removed in outside, and effectively
Reduce tank voltage, reduce electric energy.
As shown in figure 1, electric flocculation device 10 also includes dc source 14.In use, by the positive pole of dc source 14 with electricity
Solution part 12 connects, and the negative pole of dc source 14 is connected with conductive casing 11, to carry out electrolysis processing.
Preferably, in order that waste water can be sufficiently aerated in aeration tank 30, the is provided with aeration tank 30
One mixing component.When in use, the first mixing component is used to be stirred the waste water in aeration tank 30.
In conventional process system, when carrying out Air Exposure to waste water, pneumatic plant can be used to prepare compression
Air, then compressed air is passed through in aeration tank and used.In the process system, because pneumatic plant is used, it is necessary to disappear
Many electric energy are consumed to prepare compressed air, cause the increase of process system use cost.In addition, pneumatic plant is basic
Including compressor and gas bomb, both parts can also take more space, waste construction site.And in the skill of the present embodiment
In art scheme, air-breathing part is provided with the pipeline that is connected between aeration tank 30 and electric flocculation device 10, air-breathing part is used for aeration
The waste water in pipeline between groove 30 and electric flocculation device 10 is ventilated.Lead to aeration tank 30 from electric flocculation device 10 in waste water
During, just have air-breathing part and the waste water in pipeline is inflated.Waste water is inflated using which, reaction speed
It is faster than in general aeration system.Meanwhile pneumatic plant is so may be omitted with, reduce electric flocculation Waste Water Treatment
Use cost, the floor space of electric flocculation Waste Water Treatment is also reduced in addition.As a preferred embodiment, air-breathing
Part is venturi, when in use by the connection of the pipeline between the supervisor of venturi and aeration tank 30 and electric flocculation device 10, text
Side pipe in mound is used to inflate the waste water in supervisor.
Milk of lime, which is also associated with, in the technical scheme of the present embodiment, on aeration tank 30 is passed through pipeline.When in use, pass through
Milk of lime is passed through pipeline and is used to be passed through milk of lime to aeration tank 30, to adjust pH value.Optionally, it is normal temperature to be aerated temperature, aeration
Time is 10-60min, adds milk of lime regulation pH to 5~11.
As a preferred embodiment, being provided with the second mixing component on flocculation basin 40, the second mixing component is used for
Waste water in flocculation basin 40 is stirred.Flocculant access tube is connected with pipeline between flocculation basin 40 and aeration tank 30
Road.When in use, by being passed through wadding in the waste water in the pipeline between flocculant access tube road direction flocculation basin 40 and aeration tank 30
Solidifying agent, to allow the materials such as heavy metal in waste water to flocculate in flocculation basin 40.Second mixing component can allow waste water to be filled with flocculant
Divide mixing, contribute to the progress of flocculation.It should be noted that the second mixing component needs to be slowly stirred, to avoid producing flocculation
It is raw to influence.
Between electric flocculation device 10 and aeration tank 30, between aeration tank 30 and flocculation basin 40 and flocculation basin 40 and sedimentation basin
Supply pump is provided between 50, supply pump is used to provide power to the flowing of waste water.
Optionally, when electric flocculation is handled, DC current flow density domination is in 10~200m2/ A, supply pump supply electricity wadding
Solidifying device pressure is 1-6bar.
Using the present invention electric flocculation Waste Water Treatment can to nonferrous smelting or relevant enterprise output arsenic-containing waste water, contain
The waste water such as heavy metal are handled, and the pollutions such as inorganic ions, organic matter, bacterium can also be handled.
Specifically, the electric flocculation Waste Water Treatment of the present invention is applied to lead (Pb2+) waste water processing, lead initial concentration
For 20mg/L：
1st, electrolysis unit is assembled from the iron electrode of making.
2nd, positive source is connected into contact rod 114 and negative electrode engaging lug with wire respectively with negative pole, and is passed through direct current, no
Power-off solution.
3rd, waste water is injected from the water inlet 111 of electric flocculation device 10, while power-on is electrolysed, DC current flow
Density domination is in 10A/m2。
4th, water inlet 111 is back to by the 80% of the water outlet of delivery port 112 of electric flocculation device 10, remainder enters next
Walk in aeration tank 30.
5th, oxidation processes are carried out to active material caused by electrolysis, while are 10 by adding quick lime to regulate and control water outlet pH,
Water outlet enters flocculation basin 40.
6th, 2mg/L polyacrylamide is added into the aqueous solution of flocculation basin 40, and accompanies by slow stirring, promotes little particle
Big flocculating body is collected as, the water outlet of flocculation basin 40 enters sedimentation basin 50.
7th, waste water is stood in sedimentation basin, and supernatant is water outlet after processing, analyzes wherein Pb2+Content.
Specifically, the electric flocculation Waste Water Treatment of the present invention is applied to cadmium (Cd2+) waste water processing, cadmium initial concentration
For 8mg/L：
1st, electric flocculation device 10 is assembled from the aluminium electrode of making.
2nd, positive source is connected into contact rod 114 and negative electrode engaging lug with wire respectively with negative pole, and is passed through direct current, no
Power-off solution.
3rd, waste water is injected from the water inlet 111 of electric flocculation device 10, while power-on is electrolysed, DC current flow
Density domination is in 10A/m2。
4th, water inlet 111 is back to by the 50% of the water outlet of delivery port 112 of electric flocculation device 10, remainder enters next
Walk in aeration tank 30.
5th, using automatic getter device active oxide material, while it is 8 by adding quick lime to regulate and control water outlet pH, water outlet is entered
Enter flocculation basin 40.
6th, 1mg/L polyacrylamide is added into the aqueous solution of flocculation basin 40, and accompanies by slow stirring, promotes little particle
Big flocculating body is collected as, the water outlet of flocculation basin 40 enters sedimentation basin 50.
7th, waste water is stood in sedimentation basin, and supernatant is water outlet after processing, analyzes wherein Cd2+Content.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed
System, it is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
- A kind of 1. electric flocculation Waste Water Treatment, it is characterised in that including：Electric flocculation device (10), for carrying out electrolysis processing to waste water, the electric flocculation device (10) includes conductive casing (11) With electrolysis part (12), there is wastewater treatment chamber in the conductive casing (11), be provided with the conductive casing (11) respectively with The water inlet (111) and delivery port (112) that the wastewater treatment chamber is connected, electrolysis part (12) are arranged on the wastewater treatment chamber Interior, the electrolysis part (12) is used as anode, and the conductive casing (11) is used as negative electrode；Return line (20), it is connected between the delivery port (112) and the water inlet (111), for by the delivery port (112) waste water of outflow is passed through in the conductive casing (11) by the water inlet (111) carries out circular treatment again.
- 2. electric flocculation Waste Water Treatment according to claim 1, it is characterised in that the electric flocculation Waste Water Treatment Also include aeration tank (30), the aeration tank (30) is arranged on the downstream of the electric flocculation device (10), for being carried out to waste water Air Exposure.
- 3. electric flocculation Waste Water Treatment according to claim 2, it is characterised in that the electric flocculation Waste Water Treatment Also include flocculation basin (40), the flocculation basin (40) is arranged on the downstream of the aeration tank (30), for being flocculated to waste water Processing.
- 4. electric flocculation Waste Water Treatment according to claim 3, it is characterised in that the electric flocculation Waste Water Treatment Also include sedimentation basin (50), the sedimentation basin (50) is arranged on the downstream of the flocculation basin (40), and the sedimentation basin (50) is used for Settle the heavy metal contaminants in the waste water.
- 5. electric flocculation Waste Water Treatment according to claim 2, it is characterised in that the return line (20) is connected to On the pipeline being connected between the delivery port (112) and the aeration tank (30), the return line (20) be used for by it is described go out The effluent part of the mouth of a river (112) outflow is back in the conductive casing (11), the other part of delivery port (112) outflow Waste water is passed through in the aeration tank (30).
- 6. electric flocculation Waste Water Treatment according to claim 1, it is characterised in that also opened on the conductive casing (11) Provided with installing port, the electrolysis part (12) is installed into the wastewater treatment intracavitary, the electric flocculation device by the installing port (10) closure (113) is also included, closure (113) lid, which is located on the installing port, seals the wastewater treatment chamber.
- 7. electric flocculation Waste Water Treatment according to claim 6, it is characterised in that worn on the closure (113) There is a contact rod (114), the contact rod (114) is connected power supply with the electrolysis part (12), the contact rod (114) and described close Sealing ring is provided between capping (113).
- 8. electric flocculation Waste Water Treatment according to claim 1, it is characterised in that the electric flocculation device (10) is also wrapped Isolating pad (13) is included, the isolating pad (13) is arranged between the bottom of the wastewater treatment chamber and the electrolysis part (12), institute Isolating pad (13) is stated to be used to support the electrolysis part (12).
- 9. electric flocculation Waste Water Treatment according to claim 1, it is characterised in that the water inlet (111) is arranged on The bottom of the conductive casing (11), the delivery port (112) are arranged on the top of the conductive casing (11).
- 10. electric flocculation Waste Water Treatment according to claim 1, it is characterised in that the electric flocculation device (10) is also Including dc source (14), the positive pole of the dc source (14) is connected with the electrolysis part (12), the dc source (14) Negative pole be connected with the conductive casing (11).
- 11. electric flocculation Waste Water Treatment according to claim 2, it is characterised in that the aeration tank (30) with it is described Air-breathing part is provided with the pipeline connected between electric flocculation device (10), the air-breathing part is used for the aeration tank (30) and institute The waste water stated in the pipeline between electric flocculation device (10) is ventilated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109384284A (en) * | 2018-11-27 | 2019-02-26 | 华南理工大学 | Electro-flucculation process and device a kind of while that remove fluorine and cadmium in rural groundwater |
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