CN101250013A - Novel electrolysis air-float sewage water processing unit - Google Patents

Novel electrolysis air-float sewage water processing unit Download PDF

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Publication number
CN101250013A
CN101250013A CNA2008101010734A CN200810101073A CN101250013A CN 101250013 A CN101250013 A CN 101250013A CN A2008101010734 A CNA2008101010734 A CN A2008101010734A CN 200810101073 A CN200810101073 A CN 200810101073A CN 101250013 A CN101250013 A CN 101250013A
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chamber
processing unit
water
cross
gas
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CNA2008101010734A
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Chinese (zh)
Inventor
何江
张效勤
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BEIJING SHOUCHUANG NANO TECHN Co Ltd
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BEIJING SHOUCHUANG NANO TECHN Co Ltd
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Priority to CNA2008101010734A priority Critical patent/CN101250013A/en
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Abstract

The invention discloses a novel sewage treatment device by electrofloatation, which comprises a power control cabinet (33) and a reactor which is divided into a dispersion chamber (1) and an air floatation chamber (2), wherein the dispersion chamber (1) is internally provided with a comb electrode group (7), an oil collecting groove (5) is arranged above the rear portion of the air floatation chamber (2), the top portion is provided with an oil scraping device (6), and an water inlet and a water outlet are respectively connected with the dispersion chamber (1) and the air floatation chamber (2). The device of the invention is employed to treat oily sewage with better deoiling effect, and has the function of sterilization. The optimal mode of execution can arrange a buffering water tank (32) at the front end of the device (31) of the invention, and also can arrange magnetized modules (8) and a cavity (11) inside the dispersion chamber (1), thereby achieving better deoiling effect and the effect of more easily removing scales from electrode plates.

Description

Novel electrolysis air-float sewage water processing unit
Technical field
The present invention relates to a kind of novel electrolysis air-float sewage water processing unit, especially relate to a kind of novel electrolysis air-float sewage water processing unit with oil removing sterilization double-effect function.
Background technology
Industry such as petroleum and petrochemical industry, food produces a large amount of oily(waste)waters, and the oil content dispersion and emulsion in these oily(waste)waters is difficult to remove in water.Air-float technology is one of basic technology of sewage disposal, and electrofloatation be the bubble diameter minimum of generally acknowledging, to the air-float technology of water disturbance minimum, its principle is to utilize electrolysis process to produce small bubble, and therefore oil droplet and the suspended substance of these bubbles in can planar water removed oil droplet and suspended substance at an easy rate from water; Simultaneously,, strong oxidizing property bacteriocidal substances such as hypochlorous acid, chlorine, Sauerstoffatom be can generate by electrolysis process, bacterium and algae in the water killed if contain chlorion in the sewage.Although electrofloatation technology has so many advantage, be limited to the problem of electrode performance and structure of reactor design all the time, be difficult to form practical product.
Chinese invention patent application (application number 200510042312.X) and utility model patent (patent No. ZL02288681.8) have been described the device that utilizes electrofloatation technology to reach oil removal by air bubbling and sterilization purpose equally respectively, but the apparatus structure of the two exists the big cost height of battery lead plate area, bubble disperses inadequately problem uniformly.
Utility model patent (patent No. 96216743.6) has been described a kind of germ-resistant electrolyzer that is specifically designed to, be characterized in to power positive cathode regularly in addition reverse voltage to reach the purpose of battery lead plate scale removal.
There is the defective aspect following in existing electrofloatation sewage disposal device when disposing of sewage: (1) is that bubbles dispersion efficient is not high in the air supporting reactor, this mainly is because existing equipment mainly is to rely on the broad-area electrode plate that is installed in water bottom to produce bubble, mix with the water of transverse flow in the bubble floating process, and this can cause the bubble dispersion efficiency low, bubble can not make full use of, and influences the effect of oil removal by air bubbling; (2) be that the pole plate area is big, cause scale problems serious, and cause pole plate manufacturing cost height, change difficulty; (3) be that the snaking mode is strong inadequately, existing installation mainly uses regularly inverted voltage snaking and scraper plate snaking, and scaling effect is not ideal enough in the high water of salinity, particularly when being applied to oil field produced water surrounding, also can cause the seriously sticking oil of electrode because of containing the oil droplet of a large amount of band negative polarity in the water.
Summary of the invention
Technical problem to be solved by this invention provides a kind of simple in structure, cost is low, deoiling effect has sterilizing function better simultaneously novel electrolysis air-float sewage water processing unit.
For solving the problems of the technologies described above, novel electrolysis air-float sewage water processing unit of the present invention comprises an electrical power control cabinet and a coupled reactor, and reactor is made up of gas-floating chamber and dispersing chamber two portions of being arranged on water inlet one end in the gas-floating chamber; The water outlet one end top of gas-floating chamber is provided with collection tank, and the opening end of collection tank exceeds the gauging line of gas-floating chamber inside, and the top of gas-floating chamber is provided with oil-scraping device, and the water outlet place is provided with overflow plate, and the gauging line of gas-floating chamber inside is concordant with the overflow plate top; Dispersing chamber water inlet bottom is connected with water inlet pipe, is provided with the comb electrode group above the water inlet.
The cross-sectional area of described dispersing chamber is less than or equal to 1/5th of gas-floating chamber cross-sectional area.
Described comb electrode group is made up of spaced cathode-anode plate, level is installed, the cross section of water entry is big or small identical in the size of its cross section and the dispersing chamber, be that the comb electrode group will be full of the water entry in the dispersing chamber, sewage flows through from the pole plate gap in the time of like this can the operation of assurance equipment.Contain in sewage under the situation of chlorion, this comb electrode group can generate strong oxidizing property bacteriocidal substances such as hypochlorous acid, chlorine, Sauerstoffatom, kills bacterium and algae in the water.
Device of the present invention has been made breakthrough at aspects such as electrode form, structure of reactor and snaking technologies, have following advantage: the battery lead plate that (1) the present invention adopts is that the comb electrode group is installed in the narrow dispersing chamber, be covered with water flow section, the bubble that is generated directly is distributed in the water under the washing away of current, this bubble dispersing mode brings 2 benefits: the one, and the bubble that is generated is distributed in whole current more equably, the 2nd, bubble can not gather in polar board surface or floating-upward process, bubble diameter is littler, makes the oil removal by air bubbling better effects if; (2) the present invention can efficiently generate strong oxidizing property bacteriocidal substances such as hypochlorous acid, chlorine, Sauerstoffatom, kills bacterium and algae in the water; (3) the present invention has exempted the molten depressed structure of complicated backwater with respect to air-dissolving air-float equipment, has the advantage that mechanism is simple, the trouble spot is few.
As a kind of improvement of the present invention, also be provided with cavity in the dispersing chamber, be positioned at the upper end of comb electrode group; The cross-sectional area of this cavity is greater than the cross-sectional area of dispersing chamber, and the top is apart from least 0.4 meter of gas-floating chamber internal water bit line.This cavity is set makes that bubble is distributed in the current more equably, thereby reach better deoiling effect.
As another kind of improvement the of the present invention, also be provided with magnetized module in the dispersing chamber, between water inlet and comb electrode group, the framework that comprises one group of magnetic conduction sheet material and some groups of permanent magnets and the material that insulate, wherein, permanent magnet uses the frame fixation of insulation material between magnetic conduction sheet material, the south poles direction of every permanent magnet is identical, magnetic conduction sheet material is arranged along water (flow) direction, the gap of the magnetic conduction sheet material of not clamping permanent magnet, also use the framework of insulation material to erect, outermost magnetic conduction sheet material is linked to each other by identical sheet material.
Described magnetic conduction sheet material adopts steel plate galvanized, and permanent magnet adopts the cubes neodymium iron boron, and the framework of insulation material adopts the PVC lath.
The cross-sectional area of water entry is big or small identical in the size of described magnetized module cross-sectional area and the dispersing chamber, and current can all be flow through from the gap of magnetic conduction sheet material.
As another improvement of the present invention, also be provided with buffering water pot or oil trap at water inlet one end.
Effect of the present invention is: waste disposal plant of the present invention is simple in structure, cost is low, deoiling effect is better, has sterilizing function simultaneously.
In addition, the magnetized module that is provided with in the waste disposal plant can make effluent stream be magnetized before the comb electrode group, thereby can alleviate the fouling of the battery lead plate in the comb electrode group, even fouling takes place, institute's scaling also will be the incrustation scale of loose easy removal rather than firm incrustation scale.And buffering water pot that is provided with in the waste disposal plant or oil trap are communicated with by the water inlet of pipeline with the dispersing chamber lower end, and pipeline is provided with the by-pass valve control of control discharge.After this buffering water pot is set, bigger oil clot can directly be removed by the buffering water pot, remaining oily(waste)water is removed the oil-containing composition through device of the present invention again, thereby makes deoiling effect better, and can prevent that big oil clot from sticking to and influence electrolysis effectiveness on the battery lead plate.
Description of drawings
Fig. 1 is the longitudinal diagram of novel electrolysis air-float sewage water processing unit of the present invention;
Fig. 2 is the structural representation of comb electrode group;
Fig. 3 is the annexation figure of electrical power control cabinet and buffered water jar and device of the present invention;
Fig. 4 is the magnetized module structural representation.
Embodiment
Embodiment 1
The longitudinal diagram of novel electrolysis air-float sewage water processing unit of the present invention as shown in Figure 1.Reactor is made up of gas-floating chamber 2 and dispersing chamber 1 two portions that are arranged on water inlet 3 one ends in the gas-floating chamber 2.The water outlet 4 one ends top of gas-floating chamber 2 is provided with collection tank 5, the opening end of collection tank 5 exceeds gas-floating chamber 2 internal water bit lines 12 a little, the top of gas-floating chamber 2 is provided with oil-scraping device 6, and the water outlet place is provided with suppression plate 10, and suppression plate 10 tops are concordant with gas-floating chamber 2 internal water bit lines 12.Dispersing chamber 1 is a water entry, its cross-sectional area is less than or equal to 1/5th of gas-floating chamber 2 cross-sectional areas, the bottom connects water inlet pipe, be water inlet 3 bottom, be provided with comb electrode group 7 above the water inlet 3, the cross-sectional area of water entry is big or small identical in the size of the cross-sectional area of this comb electrode group 7 and the dispersing chamber 1.
The structure of comb electrode group 7 is made up of spaced cathode-anode plate as shown in Figure 2.During installation comb electrode group 7 shown in Figure 2 is turn 90 degrees the top of back placed horizontally at the water inlet 3 of dispersing chamber 1 to revolving with the vertical direction of paper, can make after the installation that comb electrode group 7 is covered with the cross section of dispersing chamber 1, the size of electrode group 7 is decided according to the cross-sectional area of dispersing chamber 1, and sewage flows through from the gap of pole plate during the equipment operation.Comb electrode group 7 is installed in the dispersing chamber 1, and is covered with dispersing chamber 1, thereby has guaranteed all entry this comb electrode group 7 of all will flowing through, and makes bubble be more evenly distributed.Contain in sewage under the situation of chlorion, this comb electrode group 7 can generate strong oxidizing property bacteriocidal substances such as hypochlorous acid, chlorine, Sauerstoffatom, kills bacterium and algae in the water.Concrete operational condition is: handle water yield 20m 3/ hour, gas-floating chamber useful volume 4m 3, dispersing chamber useful volume 0.7m 3, power-supply system output voltage 0-36V DC, outward current 0-300A DC.
Fig. 3 has shown the annexation figure of electrical power control cabinet 33 with waste disposal plant 31 of the present invention.Electrical power control cabinet 33 is the power-supply systems of powering for comb electrode group 7, uses to have the regularly direct supply of negative function of output voltage, removes the incrusted purpose of battery lead plate to reach.
The detailed process that adopts device of the present invention to dispose of sewage is: sewage is entered in the dispersing chamber 1 by water inlet pipe, earlier via water inlet 3, and then the comb electrode group 7 of flowing through, sewage is when flowing through comb electrode group 7, produce a large amount of micro-bubbles, micro-bubble evenly spreads in the water in dispersing chamber 1, the sewage that has a large amount of micro-bubbles then enters gas-floating chamber 2, in gas-floating chamber 2, oil slick in the sewage and scum silica frost composition float with micro-bubble, and adhere on the micro-bubble and brought to the water surface, by oil-scraping device 6 oil slick and scum silica frost are scraped into collection tank 5, discharge from oil discharge outlet 9, the sewage after the processing is discharged by water outlet 4.In order to control the water displacement of water outlet 4, water outlet 4 places are provided with overflow plate 10, and the gauging line of gas-floating chamber 2 inside is concordant with overflow plate 10 tops, and the sewage after final the processing is discharged by water shoot.
Embodiment 2
Difference from Example 1 is: also be provided with cavity 11 in dispersing chamber 1, be positioned at the upper end of comb electrode group 7, its cross-sectional area is greater than the cross-sectional area of dispersing chamber, and the top is apart from 0.4 meter of gas-floating chamber internal water bit line, as shown in Figure 1.
Embodiment 3
Difference from Example 1 is: also be provided with magnetized module 8 between the water inlet 3 of dispersing chamber 1 and comb electrode group 7, as shown in Figure 1.The structure of this magnetized module 8 comprises the framework 43 of one group of magnetic conduction sheet material 41 and some groups of permanent magnets 42 and the material that insulate as shown in Figure 4.Permanent magnet 42 is clipped between the magnetically permeable material 41, and the south poles direction of every permanent magnet is identical, and uses the position of the framework 43 fixing every permanent magnets 42 of insulation material.Simultaneously, the gap of the magnetic conduction sheet material 41 of not clamping permanent magnet also uses the framework 43 of insulation material to erect, and makes it not adsorb mutually, forms water stream channel.Magnetic conduction sheet material 41 is arranged along water (flow) direction, and current are flow through from the gap of magnetic conduction sheet material, and outermost magnetic conduction sheet material is linked to each other by identical sheet material, forms magnetic loop.
Above-mentioned magnetic conduction material plate 41 can use any material that can magnetic conduction such as iron plate, steel plate, uses steel plate galvanized in the present embodiment; Permanent magnet 42 also can use various permanent magnet materials, uses the cubes neodymium iron boron in the present embodiment; The framework 43 of insulation material can be the framework that can the insulating material be made of any, uses the PVC lath in the present embodiment.
The cross-sectional area of water entry is big or small identical in the size of the cross-sectional area of above-mentioned magnetized module 8 and the dispersing chamber 1, and current are all flow through from the gap of magnetic conduction sheet material 41.
Embodiment 4
Difference from Example 1 is: at the front end of device 31 of the present invention a buffering water pot 32 (also can be oil trap or other have the device of shock absorption) is set, the water outlet of buffering water pot 32 connects the water inlet of device 31 of the present invention, and the discharge of valve with the control present device is set, as shown in Figure 3.
Device of the present invention is not limited to the embodiment described in the embodiment, so long as those skilled in the art's technical scheme according to the present invention draws other embodiment, belongs to the scope of technological innovation of the present invention and protection equally.

Claims (12)

1. a novel electrolysis air-float sewage water processing unit comprises electrical power control cabinet (33) and coupled reactor, it is characterized in that: described reactor comprises gas-floating chamber (2) and is arranged on the dispersing chamber (1) of water inlet (3) one ends in the gas-floating chamber;
Water outlet (4) the one ends top of gas-floating chamber (2) is provided with collection tank (5), the opening end of collection tank (5) exceeds the inner gauging line (12) of gas-floating chamber (2), the top of gas-floating chamber (2) is provided with oil-scraping device (6), the water outlet place is provided with overflow plate (10), and the top of overflow plate (10) is concordant with the gauging line (12) of gas-floating chamber (2) inside;
Dispersing chamber (1) bottom connects water inlet pipe, is provided with water inlet (3) bottom, is provided with comb electrode group (7) above the water inlet (3);
Also be provided with magnetized module (8) in the dispersing chamber (1), be positioned between water inlet (3) and the comb electrode group (7).
2. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 1 is characterized in that: the cross-sectional area of described dispersing chamber (1) is less than or equal to 1/5th of gas-floating chamber cross-sectional area.
3. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 1, it is characterized in that: described comb electrode plate (7) is made up of spaced cathode-anode plate, the cross-sectional area of the size of its cross-sectional area and the interior water entry of dispersing chamber (1) big or small identical, level is installed in the top of the water inlet (3) of dispersing chamber (1), make comb electrode group (7) be covered with the cross section of dispersing chamber (1) after the installation, sewage flows through from the gap of pole plate.
4. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 1 is characterized in that: also be provided with cavity (11) in the dispersing chamber (1), cavity (11) is positioned at the upper end of comb electrode group (7).
5. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 4 is characterized in that: the cross-sectional area of described cavity (11) is greater than the cross-sectional area of dispersing chamber (1).
6. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 4 is characterized in that: the top of described cavity (11) is apart from below the gas-floating chamber internal water bit line at least 0.4 meter.
7. as the described a kind of novel electrolysis air-float sewage water processing unit of one of claim 1 to 6, it is characterized in that: the cross-sectional area of the size of the cross-sectional area of described magnetized module (8) and the interior water entry of dispersing chamber (1) big or small identical.
8. as the described a kind of novel electrolysis air-float sewage water processing unit of one of claim 1 to 6, it is characterized in that: described magnetized module (8) comprises the framework (43) of one group of magnetic conduction sheet material (41) and some groups of permanent magnets (42) and insulation material, wherein, permanent magnet (42) uses the framework (43) of insulation material to be fixed between the magnetic conduction sheet material (41), the south poles direction of every permanent magnet (42) is identical, magnetic conduction sheet material (41) is arranged along water (flow) direction, the gap of the magnetic conduction sheet material (41) of not clamping permanent magnet, also use the framework (43) of insulation material to erect, outermost magnetic conduction sheet material (41) is linked to each other by identical sheet material.
9. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 8 is characterized in that: described magnetic conduction sheet material (41) adopts steel plate galvanized.
10. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 8 is characterized in that: described permanent magnet (42) adopts the cubes neodymium iron boron.
11. a kind of novel electrolysis air-float sewage water processing unit as claimed in claim 8 is characterized in that: the framework of described insulation material (3) adopts the PVC lath.
12. as the described a kind of novel electrolysis air-float sewage water processing unit of one of claim 1 to 6, it is characterized in that: also be provided with buffering water pot (31) at water inlet (3) one ends, buffering water pot (31) is communicated with by the water inlet (3) of pipeline with dispersing chamber (1) lower end.
CNA2008101010734A 2008-02-28 2008-02-28 Novel electrolysis air-float sewage water processing unit Pending CN101250013A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102633325A (en) * 2012-04-19 2012-08-15 波鹰(厦门)科技有限公司 Novel nanometer catalytic electrolysis device
CN102642896A (en) * 2012-05-09 2012-08-22 中国水电顾问集团中南勘测设计研究院 Electrochemical treatment device for sewage and wastewater treatment
CN103408111A (en) * 2013-07-05 2013-11-27 北京仁创科技集团有限公司 Pervious electrode plate with sterilization effect and preparation method thereof
CN103408109A (en) * 2013-06-27 2013-11-27 北京仁创科技集团有限公司 Water permeable battery lead plate and preparation method thereof
CN103408110A (en) * 2013-07-05 2013-11-27 北京仁创科技集团有限公司 Water-permeable electrode plate having double-layer structure and preparation method thereof
CN104386783A (en) * 2014-11-25 2015-03-04 李复兴 Hydrogen-rich water rod
CN109019738A (en) * 2018-09-25 2018-12-18 哈尔滨北方环保工程有限公司 Air floatation machine dross separation apparatus in a kind of tobacco processing sewage disposal process system
CN110240324A (en) * 2019-06-28 2019-09-17 西安建筑科技大学 Air-floating apparatus with oil-water separating function

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102633325A (en) * 2012-04-19 2012-08-15 波鹰(厦门)科技有限公司 Novel nanometer catalytic electrolysis device
CN102633325B (en) * 2012-04-19 2013-06-26 波鹰(厦门)科技有限公司 Novel nanometer catalytic electrolysis device
WO2013156003A1 (en) * 2012-04-19 2013-10-24 波鹰(厦门)科技有限公司 New nano catalyst electrolysis device
CN102642896A (en) * 2012-05-09 2012-08-22 中国水电顾问集团中南勘测设计研究院 Electrochemical treatment device for sewage and wastewater treatment
CN102642896B (en) * 2012-05-09 2014-03-05 中国水电顾问集团中南勘测设计研究院 Electrochemical treatment device for sewage and wastewater treatment
CN103408109A (en) * 2013-06-27 2013-11-27 北京仁创科技集团有限公司 Water permeable battery lead plate and preparation method thereof
CN103408111A (en) * 2013-07-05 2013-11-27 北京仁创科技集团有限公司 Pervious electrode plate with sterilization effect and preparation method thereof
CN103408110A (en) * 2013-07-05 2013-11-27 北京仁创科技集团有限公司 Water-permeable electrode plate having double-layer structure and preparation method thereof
CN104386783A (en) * 2014-11-25 2015-03-04 李复兴 Hydrogen-rich water rod
CN109019738A (en) * 2018-09-25 2018-12-18 哈尔滨北方环保工程有限公司 Air floatation machine dross separation apparatus in a kind of tobacco processing sewage disposal process system
CN110240324A (en) * 2019-06-28 2019-09-17 西安建筑科技大学 Air-floating apparatus with oil-water separating function

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Open date: 20080827