CN110498489A - ECPD electrofloatation complete set of equipments - Google Patents
ECPD electrofloatation complete set of equipments Download PDFInfo
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- CN110498489A CN110498489A CN201910697542.1A CN201910697542A CN110498489A CN 110498489 A CN110498489 A CN 110498489A CN 201910697542 A CN201910697542 A CN 201910697542A CN 110498489 A CN110498489 A CN 110498489A
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- upper shell
- inner cylinder
- water
- slag
- electrode plate
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/465—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
-
- 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
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2101/12—Halogens or halogen-containing compounds
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Electrochemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
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- Molecular Biology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of ECPD electrofloatation complete set of equipments, including upper shell, lower cone and inner cylinder, slag-scraper is installed at the top of the upper shell, the inner cylinder is located inside upper shell and is equipped with electrode plate assembly between upper shell and inner cylinder, the electrode plate assembly lower part is equipped with YS gas-washing device and water back washing device, it closes open topped and is equipped with efficient release in inner cylinder lower part in the inner cylinder lower part, the top side of the upper shell is further fixed on discharging device, is equipped with liquor-level regulator and water outlet on the discharging device.The present invention integrates the functions such as electrolytic flocculation, precipitating, efficient air-floating, structure is simple, occupied area is small, it is easy to operate, effectively remove water-borne glue body and suspension pollutant matter, and there is good removal effect to oil emulsion, larger molecular organics, microorganism, heavy metal ion, chloride ion, the coloured substance of turbidity and part, sewage B/C ratio is improved, is provided a strong guarantee for subsequent advanced treatment of wastewater.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of electrofloatation complete set of equipments.
Background technique
With the fast development that Chinese society produces, environmental protection consciousness is greatly improved, all kinds of sewage treatment process
Technology and equipment technology obtain faster development.
Currently, electrolytic flocculation is that the metal hydroxides flocculation generated in electrolytic process using soluble metal anode is gone
Except the water treatment technology of pollutant in water.In reality, anode material generallys use aluminium, iron etc. and is easy to get and inexpensive metal, electricity
The hydroxide precipitating that solution generates has good flocculation, absorption property, and polluter can be effectively removed from waste water.Simultaneously
The gases such as the hydrogen that cathode is precipitated when electrolysis can form a large amount of small bubbles, have good air-float segregation effect.In addition, electric
Electrochemical oxidation reactions can occur for solution preocess middle-jiao yang, function of the spleen and stomach pole surface, therefore electric flocculation technique also has the function of redox.
Electric flocculation technique can effectively remove water-borne glue body and suspension pollutant matter, and to oil emulsion, larger molecular organics,
Microorganism, heavy metal ion, fluorine ion, the coloured substance of turbidity and part have good removal effect, therefore can be widely
Applied to all kinds of waste water treatments and Water purification engineering.Compared with traditional chemical coagulation, electric flocculation technique have good separating effect,
Body refuse moisture content is low, occupied area is small, is easily achieved the advantages that automatic control, has broad application prospects.
The country begins to research electrolysis process early in six the seventies of last century.Since recent two decades, domestic scientific research unit
Electrolysis process is had conducted extensive research with industrial enterprise.These researchs cover plating, oil-containing, printing and dyeing, pharmacy, butcher, make
Most of intractable industry waste water such as leather, chemical industry, but these researchs are also only limitted to laboratory scale, and it is actual to be applied to engineering
It is also less.Electrolysis process is not used widely at home, the main reason is that electrolysis installation processing and manufacturing is difficult to standardize,
Electrode is easily passivated, electrode connection and replacement frequently, operational management and troublesome maintenance, the problems such as operating cost is excessively high.
In recent years, the relevant technologies were achieved compared with quantum jump, and electrode is easily passivated, the frequent problem of change poles gradually by gram
Clothes.Currently, having mainly has two kinds using electrolysis tech, it is mixed to substitute tradition that one is electrolytic flocculation equipment+centrifugation devices
Retrogradation is formed sediment；Another kind is electric flocculation equipment+air flotation slot to substitute traditional airfloat equipment.Above-mentioned technology fails in practical applications
The maximum efficiency for giving full play to electrolysis tech needs further to deepen research and development.
Summary of the invention
The purpose of the present invention is to provide a kind of electrofloatation complete set of equipments, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of ECPD electrofloatation complete set of equipments, including it is upper
Cylinder, lower cone and inner cylinder, the upper shell top are equipped with slag-scraper, and the upper shell internal upper part is fixed with collection slag
Slot, the inner cylinder is located at upper shell inside and is equipped with electrode plate assembly between upper shell and inner cylinder, under the electrode plate assembly
Portion is equipped with YS gas-washing device and water back washing device, and the inner cylinder lower part closes open topped and is equipped with height in inner cylinder lower part
Effect release, the gas-liquid import of the supreme cylinder body bottom side of inner cylinder bottom connected water outlet pipe, the upper shell bottom are another
Side is equipped with water inlet, and the top side of the upper shell is further fixed on discharging device, liquid level tune is equipped on the discharging device
Device and water outlet are saved, the lower cone is fixed on the bottom of upper shell, and the bottom of the hypocentrum is equipped with mud discharging mouth and drain.
Preferably, it is fixed with slag gathering hopper on the outside of the upper shell, the dreg collecting slot exhaust end is connect with slag gathering hopper, the collection
The bottom of slag bucket is equipped with slag notch.
Preferably, the electrode plate assembly is the electrode plate module of modularized design, and electrode plate assembly is two layers of electrode plate
Module or single-layer electrodes plate module, every layer of electrode plate module by several electrode plate groups at, it is convenient for safeguarding or replacement, the electrode
The pole plate of board group part is iron, aluminum metal pole plate.
Preferably, the bottom of the inner cylinder is fixed with anti-disturbance device, and the anti-disturbance device is round table-like setting, and
Setting is spaced between anti-disturbance device and hypocentrum inner wall.
Preferably, the efficient release is the efficient release of molten gas, and dissolved air water is by separately setting gas-liquid mixing pump suction originally
Equipment water outlet supply.
Preferably, the upper shell, inner cylinder can also be rectangular, at this point, the lower cone side of should be cone, dreg collecting slot are located at
The side of upper shell, slag-scraper are non-rotating slag-scraper.
A kind for the treatment of process of ECPD electrofloatation complete set of equipments, specifically includes following operating procedure:
S1: external gas-liquid mixing pump is pumped into efficient release from gas-liquid inlet suction, by dissolved air water, while inner cylinder bottom picks out
Water pipe accesses in the discharging device of upper shell upper outside, and water outlet is discharged after liquid level in liquor-level regulator adjustment equipment
Go subsequent processing；
S2: treatment sewage after cloth feeding water installations enter electrofloatation complete set of equipments, is electrolysed by water inlet in electrode plate assembly
Under effect, electrolytically generated hydroxide precipitating has good flocculation, absorption property, and depollution can be effectively removed from sewage
Substance, while when voltage reaches the decomposition voltage of water, be precipitated hydrogen respectively on cathode and anode and oxygen formed it is a large amount of micro-
Small bubble, when containing Cl in sewage-When, equally in electrolysis, Cl is precipitated in anode, all has good air-float segregation effect；
S3: floccule body having a specific gravity smaller than that of water floats up to water surface, and water surface height is adjusted to most by water outlet liquid level liquor-level regulator
Good height, dross are scraped by slag-scraper rotation into dreg collecting slot, and dross slides into slag gathering hopper through dreg collecting slot, then installs through slag gathering hopper lower part
Slag notch discharge dehydration；
S4: the floccule body that specific gravity is greater than water then precipitates the bottom into lower cone, is discharged by the mud discharging mouth that lower cone is connected, is
Disturbance of the water inlet to sludge settling in lower cone is reduced, has anti-disturbance device in inner cylinder bottom plate；
S5: sewage enters after the reaction of electrode plate assembly electric flocculation from inner cylinder top, then through the secondary air bearing of efficient release, floats
Slag is still scraped off by top slag-scraper.
Preferably, gas-liquid mixing pump can be the connection of connection type and part air-dissolving air-float using full air-dissolving air-float
Mode, which reaches, sufficiently realizes air bearing removal pollutant.
Technical effect and advantage of the invention: the ECPD electrofloatation complete set of equipments, collection electrolytic flocculation, precipitating, air bearing etc.
For function in one, structure is simple, and occupied area is small, easy to operate, effectively removes water-borne glue body and suspension pollutant matter, and right
Oil emulsion, larger molecular organics, microorganism, heavy metal ion, chloride ion, the coloured substance of turbidity and part have good go
Except effect, sewage B/C ratio is improved, is provided a strong guarantee for subsequent advanced treatment of wastewater.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1 upper shell, 2 lower cones, 3 inner cylinders, 4 electrode plate assemblies, 5 anti-disturbance devices, 6 water inlets, 7 gas-liquids into
Mouth, 8 YS gas-washing devices, 9 water back washing devices, 10 efficient releases, 11 discharging devices, 12 liquor-level regulators, 13 water outlets, 14
Slag-scraper, 15 dreg collecting slots, 16 slag gathering hoppers, 17 slag notches, 18 mud discharging mouths, 19 drains.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of ECPD electrofloatation complete set of equipments as shown in Figure 1, including upper shell 1,2 and of lower cone
Inner cylinder 3 is equipped with slag-scraper 14 at the top of the upper shell 1, and 1 internal upper part of upper shell is fixed with dreg collecting slot 15, described
Inner cylinder 3 is located at 1 inside of upper shell and is equipped with electrode plate assembly 4,4 lower part of electrode plate assembly between upper shell 1 and inner cylinder 3
YS gas-washing device 8 and water back washing device 9 are installed, 3 lower part of inner cylinder is closed open topped and is equipped in 3 lower part of inner cylinder
Efficient release 10, gas-liquid import 7 of the 3 bottom connected water outlet pipe of inner cylinder to 1 bottom side of upper shell, the upper shell 1
The bottom other side is equipped with water inlet 6, and the top side of the upper shell 1 is further fixed on discharging device 11, the discharging device 11
On liquor-level regulator 12 and water outlet 13 are installed, the lower cone 2 is fixed on the bottom of upper shell 1, the bottom of the hypocentrum 2
Portion is equipped with mud discharging mouth 18 and drain 19.
Slag gathering hopper 16 is fixed on the outside of the upper shell 1,15 exhaust end of dreg collecting slot is connect with slag gathering hopper 16, the collection
The bottom of slag bucket 16 is equipped with slag notch 17.
The electrode plate assembly 4 be modularized design electrode plate module, electrode plate assembly 4 be two layers of electrode plate module or
Single-layer electrodes plate module, every layer of electrode plate module by several electrode plate groups at, it is convenient for safeguarding or replacement, the electrode plate assembly
4 pole plate is iron, aluminum metal pole plate.
The bottom of the inner cylinder 3 is fixed with anti-disturbance device 5, and the anti-disturbance device 5 is round table-like setting, and interference guard
Setting is spaced between dynamic 2 inner wall of device 5 and hypocentrum.
The efficient release 10 is the efficient release of molten gas, and dissolved air water aspirates this equipment by separately setting gas-liquid mixing pump and goes out
Water supply.
The upper shell 1, inner cylinder 3 can also be to be rectangular, at this point, 2 side's of should be cone of lower cone, dreg collecting slot 15 is located at upper
The side of cylinder 1, slag-scraper are non-rotating slag-scraper.
A kind for the treatment of process of ECPD electrofloatation complete set of equipments, specifically includes following operating procedure:
S1: external gas-liquid mixing pump is aspirated from gas-liquid import 7, and dissolved air water is pumped into efficient release 10, while 3 bottom of inner cylinder
Connected water outlet pipe accesses in the discharging device 11 of 1 upper outside of upper shell, after liquid level in 12 adjustment equipment of liquor-level regulator
Water outlet 13 discharges subsequent processing；
S2: treatment sewage by water inlet 6 after cloth feeding water installations enter electrofloatation complete set of equipments, in the electricity of electrode plate assembly 4
Under solution effect, electrolytically generated hydroxide precipitating has good flocculation, absorption property, can effectively go to decontaminate from sewage
Substance is contaminated, while when voltage reaches the decomposition voltage of water, hydrogen is precipitated respectively on cathode and anode and oxygen is formed largely
Small bubble, when containing Cl in sewage-When, equally in electrolysis, Cl is precipitated in anode2, all have good air-float segregation effect；
S3: floccule body having a specific gravity smaller than that of water floats up to water surface, and water surface height is adjusted to by water outlet liquid level liquor-level regulator 12
Optimum height, dross are scraped by the rotation of slag-scraper 14 into dreg collecting slot 15, and dross slides into slag gathering hopper 16 through dreg collecting slot 15, then through collecting slag
The slag notch 17 that 16 lower parts are installed that struggles against discharges dehydration；
S4: the floccule body that specific gravity is greater than water then precipitates 18 row of mud discharging mouth into the bottom of lower cone 2, connected by lower cone 2
Out, to reduce disturbance of the water inlet to sludge settling in lower cone 2, anti-disturbance device 5 is had in 3 bottom plate of inner cylinder；
S5: sewage enters after the reaction of 4 electric flocculation of electrode plate assembly from 3 top of inner cylinder, then through 10 2 gas of efficient release
Floating, dross is still scraped off by top slag-scraper 14.
Gas-liquid mixing pump can be to be reached using the connection type of full air-dissolving air-float and the connection type of part air-dissolving air-float
Realize that air bearing removes pollutant to abundant.
The equipment can add the mode of anti-corrosion or concrete basin oil (gas) filling device matching component, the electrode using carbon steel
Pole plate material, electrode thickness and the pole plate spacing of the electrode plate assembly of board group part 4 should design true according to sewage quality details
It is fixed.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of ECPD electrofloatation complete set of equipments, including upper shell (1), lower cone (2) and inner cylinder (3), it is characterised in that:
It is equipped with slag-scraper (14) at the top of the upper shell (1), upper shell (1) internal upper part is fixed with dreg collecting slot (15), described
Inner cylinder (3) is located at upper shell (1) inside and is equipped with electrode plate assembly (4) between upper shell (1) and inner cylinder (3), the electrode
Board group part (4) lower part is equipped with YS gas-washing device (8) and water back washing device (9), and open topped is closed in inner cylinder (3) lower part
And efficient release (10) are equipped in inner cylinder (3) lower part, inner cylinder (3) the bottom connected water outlet pipe to upper shell (1) bottom
The gas-liquid import (7) of side, upper shell (1) the bottom other side are equipped with water inlet (6), the top one of the upper shell (1)
Side is further fixed on discharging device (11), is equipped with liquor-level regulator (12) and water outlet (13), institute on the discharging device (11)
The bottom that lower cone (2) is fixed on upper shell (1) is stated, the bottom of the hypocentrum (2) is equipped with mud discharging mouth (18) and drain
(19).
2. a kind of ECPD electrofloatation complete set of equipments according to claim 1, it is characterised in that: the upper shell (1) is outside
Side is fixed with slag gathering hopper (16), and dreg collecting slot (15) exhaust end is connect with slag gathering hopper (16), the bottom of the slag gathering hopper (16)
Equipped with slag notch (17).
3. a kind of ECPD electrofloatation complete set of equipments according to claim 1, it is characterised in that: the electrode plate assembly
(4) be modularized design electrode plate module, electrode plate assembly (4) be two layers of electrode plate module or single-layer electrodes plate module, often
Layer electrode plate module is by several electrode plate groups at convenient for safeguarding or replacement, the pole plate of the electrode plate assembly (4) is iron, aluminium
Metal polar plate.
4. a kind of ECPD electrofloatation complete set of equipments according to claim 1, it is characterised in that: the inner cylinder (3)
Bottom is fixed with anti-disturbance device (5), and the anti-disturbance device (5) is round table-like setting, and anti-disturbance device (5) and hypocentrum
(2) setting is spaced between inner wall.
5. a kind of ECPD electrofloatation complete set of equipments according to claim 1, it is characterised in that: the efficient release
It (10) is the efficient release of molten gas, dissolved air water aspirates the water outlet supply of this equipment by separately setting gas-liquid mixing pump.
6. a kind of ECPD electrofloatation complete set of equipments according to claim 1, it is characterised in that: the upper shell (1), interior
Cylinder (3) can also be rectangular, at this point, lower cone (2) is square cone, dreg collecting slot (15) is located at the side of upper shell (1), scrapes slag
Device is non-rotating slag-scraper.
7. the treatment process of ECPD electrofloatation complete set of equipments described in -6 any one according to claim 1, it is characterised in that:
Specifically include following operating procedure:
S1: external gas-liquid mixing pump is aspirated from gas-liquid import (7), dissolved air water is pumped into efficient release (10), while inner cylinder
(3) in the discharging device (11) of bottom connected water outlet pipe access upper shell (1) upper outside, through liquor-level regulator (12) adjustment equipment
Water outlet (13) discharges subsequent processing after interior liquid level；
S2: treatment sewage by water inlet (6) after cloth feeding water installations enter electrofloatation complete set of equipments, in electrode plate assembly
(4) under electrolysis, electrolytically generated hydroxide precipitating has good flocculation, absorption property, can be effectively from sewage
Polluter is removed, while when voltage reaches the decomposition voltage of water, hydrogen and oxygen shape is precipitated respectively on cathode and anode
At a large amount of small bubbles, when containing Cl in sewage-When, equally in electrolysis, Cl is precipitated in anode2, all have good air bearing point
From effect；
S3: floccule body having a specific gravity smaller than that of water floats up to water surface, and water surface height is adjusted by water outlet liquid level liquor-level regulator (12)
To optimum height, dross is scraped by slag-scraper (14) rotation into dreg collecting slot (15), and dross slides into slag gathering hopper through dreg collecting slot (15)
(16), the slag notch (17) then through slag gathering hopper (16) lower part installed discharges dehydration；
S4: the floccule body that specific gravity is greater than water then precipitates the bottom into lower cone (2), the mud discharging mouth connected by lower cone (2)
(18) it is discharged, to reduce disturbance of the water inlet to lower cone (2) interior sludge settling, has anti-disturbance dress in inner cylinder (3) bottom plate
Set (5)；
S5: sewage enters after the reaction of electrode plate assembly (4) electric flocculation from inner cylinder (3) top, then through efficient release (10)
Secondary air bearing, dross are still scraped off by top slag-scraper (14).
8. a kind of ECPD electrofloatation complete set of equipments according to claim 1, it is characterised in that: gas-liquid mixing pump can be
Reached using the connection type of full air-dissolving air-float and the connection type of part air-dissolving air-float and sufficiently realizes air bearing removal pollutant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910697542.1A CN110498489A (en) | 2019-07-31 | 2019-07-31 | ECPD electrofloatation complete set of equipments |
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| CN201910697542.1A CN110498489A (en) | 2019-07-31 | 2019-07-31 | ECPD electrofloatation complete set of equipments |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320311A (en) * | 2020-03-13 | 2020-06-23 | 湖南清之源环保科技有限公司 | Integrated concentric horizontal pipe electrochemical precipitation adsorption sewage treatment system |
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| CN206688296U (en) * | 2017-04-11 | 2017-12-01 | 王浩宇 | A kind of sedimentation basin for sewage disposal |
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