CN211546036U - Electrolysis air-float equipment - Google Patents
Electrolysis air-float equipment Download PDFInfo
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- CN211546036U CN211546036U CN202021701820.0U CN202021701820U CN211546036U CN 211546036 U CN211546036 U CN 211546036U CN 202021701820 U CN202021701820 U CN 202021701820U CN 211546036 U CN211546036 U CN 211546036U
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Abstract
An electrolytic air floatation device comprises a device shell, an electrolysis device, a slag scraping device, a control box, a high-frequency power supply, a conical sludge removing device, a slag collecting tank and an aeration device; an electrolytic reaction cavity is arranged in the equipment shell, the aeration device comprises an aeration pipeline and an aeration fan connected with the aeration pipeline, and the electrolysis device is arranged in the electrolytic reaction cavity and comprises a plurality of positive electrode plates and negative electrode plates which are arranged in a staggered mode; the slag scraping device is arranged at the upper part of the electrolytic reaction cavity and comprises two bearing seats arranged above the electrolytic reaction cavity, a transmission hinge arranged on the bearing seats and a plurality of scraping plates arranged on the transmission hinge; the electrolytic air flotation equipment of the utility model has small occupied area, convenient maintenance and low operating cost; the electrolytic air-floating equipment is used for treating sewage, the turbidity removal rate can reach 95%, the COD removal rate can reach 59%, the air-floating separation efficiency is high, and no secondary pollution is caused.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an electrolytic air flotation device.
Background
In industrial production and daily life, a large amount of sewage is generated, if the sewage is directly discharged without being treated, the environment is polluted, and the electrolytic air floatation equipment separates flocculating constituents and particle monomers of coagulation reaction in the sewage by generating tiny bubbles in the sewage through electrode electrolysis. However, the electrolytic air floatation equipment in the prior art has poor sewage treatment capacity.
The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.
Disclosure of Invention
The utility model aims to solve the problems and provide an electrolytic air flotation device.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an electrolytic air floatation device comprises a device shell, an electrolysis device, a slag scraping device, a control box, a high-frequency power supply, a conical sludge removing device, a slag collecting tank and an aeration device;
an electrolytic reaction cavity is arranged in the equipment shell, the equipment shell is provided with a water inlet interface and a water outlet interface, a water drainage pipeline is arranged in the electrolytic reaction cavity, the water outlet interface is connected with the water drainage pipeline, and a plurality of pores are formed in the water drainage pipeline;
the sludge removing device is arranged at the bottom of the equipment shell and is communicated with the electrolytic reaction cavity, the inner wall of the sludge removing device is an inclined plate, and the bottom of the sludge removing device is provided with a sludge discharge hole;
the aeration device is used for generating micro bubbles and comprises an aeration pipeline and an aeration fan connected with the aeration pipeline, a plurality of aeration holes are formed in the surface of the aeration pipeline, the aeration fan is arranged at the top of the equipment shell, and the aeration pipeline extends into the electrolytic reaction cavity from the top of the equipment shell;
the electrolysis device is arranged in the electrolysis reaction cavity and comprises a plurality of positive electrode plates and negative electrode plates which are arranged in a staggered mode;
the slag scraping device is arranged at the upper part of the electrolytic reaction cavity and comprises two bearing seats arranged above the electrolytic reaction cavity, a transmission hinge arranged on the bearing seats, a plurality of arc-shaped scraping plates arranged on the transmission hinge and a driving motor connected with the bearing seats at one side, wherein two sides of each arc-shaped scraping plate are bent forwards, the bottom of each arc-shaped scraping plate is provided with a bottom plate, and a plurality of strip-shaped through holes are formed in each arc-shaped scraping plate;
the slag collecting groove is arranged on the inner side wall of the electrolytic reaction cavity and comprises an inclined plate and a connecting plate connected with the inclined plate, and a slag discharging interface is arranged on the outer side wall of the electrolytic reaction cavity and is close to the upper part of the connecting plate and communicated with the slag collecting groove;
the high-frequency power supply is electrically connected with the electrolysis device and the control box, and the control box is in communication connection with the electrolysis device, the slag scraping device and the aeration fan.
Furthermore, a clean water tank is arranged on the right side of the equipment shell, the water outlet port is formed in the bottom of the clean water tank, a crawling ladder is arranged on one side of the equipment shell, and the supporting legs are arranged at the bottom of the equipment shell.
Further, the material of the positive electrode plate is iron or aluminum, and the material of the negative electrode plate is graphite.
Further, the positive electrode sheet and the negative electrode sheet are net-shaped and are both bent into a tubular shape.
The electrolytic air flotation equipment of the utility model has small occupied area, convenient maintenance and low operating cost; the electrolytic air-floating equipment is used for treating sewage, the turbidity removal rate can reach 95%, the COD removal rate can reach 59%, the air-floating separation efficiency is high, no secondary pollution is caused, and the electrolytic air-floating equipment can be used for (pre) treatment of various kinds of sewage and has wide applicability.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of an electrolytic flotation device according to a preferred embodiment of the present invention;
FIG. 2 is a bottom view of the device housing of FIG. 1;
FIG. 3 is a schematic view of the construction of the squeegee of FIG. 1;
in the figure: an apparatus casing 10; a ladder stand 11; an electrolytic reaction chamber 12; support legs 13; a water inlet port 14; a water outlet port 16; a clean water tank 17; a water discharge pipeline 18; fine pores 180; an electrolysis device 20; a slag scraping device 30; a bearing seat 32; a drive hinge 34; a squeegee 35; a base plate 350; a through hole 352; a drive motor 36; a control box 40; a high-frequency power supply 50; a sludge removal device 60; a sludge discharge hole 62; a slag collection tank 70; a swash plate 72; a connecting plate 74; a slag discharge port 76; an aeration device 80; an aeration line 82; aeration holes 83; an aeration fan 84.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in fig. 1, fig. 2 and fig. 3, an electrolytic air flotation device according to a preferred embodiment of the present invention includes a device housing 10, an electrolysis device 20, a slag scraping device 30, a control box 40, a high-frequency power supply 50, a sludge removing device 60, a slag collecting tank 70, and an aeration device 80.
An electrolytic reaction cavity 12 is arranged in the equipment shell 10, and sewage to be treated and sewage after treatment are contained in the electrolytic reaction cavity 12. A water inlet interface 14 is arranged on the left side of the equipment shell 10, and sewage to be treated enters the electrolytic reaction cavity 12 through the water inlet interface 14; a clean water tank 17 is arranged on the right side of the equipment shell 10, a water outlet port 16 is arranged at the bottom of the clean water tank 17, and treated sewage is discharged to a subsequent treatment unit through the water outlet port 16. A drainage pipeline 18 is arranged in the electrolytic reaction cavity 12, the water outlet port 16 is connected with the drainage pipeline 18, and a plurality of pores 180 are uniformly formed in the drainage pipeline 18, so that the treated sewage can uniformly enter the clean water tank 17 from the plurality of pores 180. Furthermore, a ladder 11 is arranged on one side of the equipment shell 10, so that maintenance personnel can conveniently maintain and maintain the electrolytic air floatation equipment through the ladder 11. A plurality of support legs 13 are provided at the bottom of the apparatus case 10 for providing support to the apparatus case 10.
The bottom of the equipment shell 10 is provided with a conical sludge removing device 60, the sludge removing device 60 is communicated with the electrolytic reaction cavity 12, the inner wall of the sludge removing device 60 is an inclined plate, the bottom of the sludge removing device 60 is provided with a sludge discharging hole 62, and the inclined plate conveys sludge in sewage to the sludge removing device 60, so that the sludge in the sewage is precipitated at the bottom of the sludge removing device 60, and the electrolytic reaction cavity 12 is conveniently cleaned by discharging the sludge.
The aeration device 80 is used for generating micro-bubbles, the aeration device 80 comprises an aeration pipeline 82 and an aeration fan 84 connected with the aeration pipeline 82, a plurality of aeration holes 83 are arranged on the surface of the aeration pipeline 82, the aeration fan 84 is arranged at the top of the equipment shell 10, and the aeration pipeline 82 extends into the electrolytic reaction cavity 12 from the top of the equipment shell 10. The micro-bubbles generated by the aeration device 80 and the electrolysis device 20 can fully absorb suspended matters in the sewage, and the air floatation efficiency is greatly improved.
The electrolysis device 20 is arranged in the electrolysis reaction cavity 12 and is used for electrolyzing the sewage. The electrolysis device 20 includes a plurality of positive electrode sheets and negative electrode sheets arranged alternately. The electrode plate is made of different materials according to different substances to be removed, the positive electrode plate can be made of iron or aluminum, and the negative electrode plate can be made of graphite.
Specifically, the positive electrode sheet and the negative electrode sheet are net-shaped, and the net-shaped positive electrode sheet and the net-shaped negative electrode sheet generate more micro bubbles during electrolysis than the electrode sheet with a non-porous plate, so that the net-shaped positive electrode sheet and the net-shaped negative electrode sheet can greatly improve the quantity of the micro bubbles generated during electrolysis, thereby improving the efficiency of removing suspended matters.
Further, both the positive electrode sheet and the negative electrode sheet are bent into a tubular shape. Under the same space volume, the positive electrode sheet and the negative electrode sheet which are bent into a tubular shape have large contact area with water, and a large amount of micro bubbles are generated by electrolysis, so that the efficiency of removing suspended matters is improved.
The high-frequency power supply 50 is electrically connected to the electrolysis device 20 and the control box 40. The control box 40 can control the electrolytic strength of the electrolytic device 20, so that the current and voltage can be adjusted according to the requirements of different sewages, and the energy conservation is optimized. The control box 40 is in communication connection with the electrolysis device 20, the slag scraping device 30 and the aeration fan 84.
The upper part of the electrolytic reaction cavity 12 is provided with a slag scraping device 30 for scraping floating slag and other suspended matters on the electrolytic reaction cavity 12. The slag scraping device 30 comprises two bearing seats 32 arranged above the electrolytic reaction cavity 12, a transmission hinge 34 arranged on the bearing seats 32, a plurality of arc-shaped scraping plates 35 arranged on the transmission hinge 34, and a driving motor 36 connected with the bearing seats 32 on one side. The operation of the drive motor 36 is controlled by a control box 40. The two sides of the arc-shaped scraper 35 are bent forwards, the bottom of the arc-shaped scraper 35 is provided with a bottom plate 350, and the arc-shaped scraper 35 is provided with a plurality of strip-shaped through holes 352.
The both sides bending of arc scraper 35 can promote the dross of both sides to the place ahead, and the through-hole 352 that sets up on scraper 35 can reduce arc scraper 35 to the resistance of dross, avoids pushing away the dross and piles up in both sides, can push the dross completely in album sediment groove 70, and the bottom plate 350 that sets up on scraper 35 can drag for the dross completely, can scrape more dross, has reduced the surface of water and has gone up the dross and remain for the water purification effect is better.
Be provided with collection sediment groove 70 on the inside wall of electrolysis reaction cavity 12, collection sediment groove 70 includes swash plate 72 and even board 74 of being connected with swash plate 72, sets up row sediment interface 76 on the electrolysis reaction cavity 12 lateral wall, arrange sediment interface 76 and be close to even board 74 top and with collection sediment groove 70 intercommunication, the dross of scraping the sediment device 30 and scraping falls into collection sediment groove 70 in, the dross flows out in row sediment interface 76 from.
When the electrolytic air flotation equipment is used, trivalent aluminum ions or divalent iron ions which are dissolved on the positive electrode plate and transferred into the solution are hydrolyzed to become effective flocculating agents for dispersing impurities in the electrolytic process, and trivalent aluminum ions (or divalent iron ions) and hydrolysis polymerization products thereof interact with suspended impurities to generate flocculation; while water molecules are ionized to produce H+And OH-Under the drive of an electric field, H+、OH-The water surface floating device migrates to the negative electrode plate and the positive electrode plate directionally respectively, hydrogen bubbles and oxygen bubbles are separated out from the surfaces of the negative electrode plate and the positive electrode plate respectively, the diameters of the generated bubbles are very small, and when the bubbles rise, suspended matters are taken out of the water surface to form a scum layer on the water surface. At the same time, the fine bubbles generated during the operation of the aeration device 80 can sufficiently absorb the suspended matters in the sewage. OH group-The positive electrode plate can generate intermediate active substances with strong oxidizing property when losing electrons, and the intermediate active substances have the function of oxidizing and decomposing pollutants in water, thereby reducing COD, BOD5, ammonia nitrogen and other components in sewage to a certain extent. In addition, the positive electrode plate and the negative electrode plate are formedThe electric field makes the mutual repulsion between the particles change into attraction and coalescence. Under the action of the electrolysis reaction, suspended matters, colloids and the like in the sewage adhere to the generated micro-bubbles, float to the liquid surface, and are scraped to the slag collecting tank 70 by the slag scraping device 30. After a series of oxidation-reduction reactions, the sewage is discharged to a subsequent treatment unit through a water discharge pipeline 18 and a water outlet port 16 which are arranged in the electrolytic reaction cavity 12, suspended matters in the sewage are basically removed after the sewage is treated by the electrolytic air floatation equipment, and the quality of the effluent is clear.
The electrolytic air flotation equipment of the utility model has small occupied area, convenient maintenance and low operating cost; the electrolytic air-floating equipment is used for treating sewage, the turbidity removal rate can reach 95%, the COD removal rate can reach 59%, the air-floating separation efficiency is high, no secondary pollution is caused, and the electrolytic air-floating equipment can be used for (pre) treatment of various kinds of sewage and has wide applicability.
The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. An electrolytic air flotation device is characterized in that: comprises an equipment shell, an electrolysis device, a slag scraping device, a control box, a high-frequency power supply, a conical sludge removing device, a slag collecting groove and an aeration device;
an electrolytic reaction cavity is arranged in the equipment shell, the equipment shell is provided with a water inlet interface and a water outlet interface, a water drainage pipeline is arranged in the electrolytic reaction cavity, the water outlet interface is connected with the water drainage pipeline, and a plurality of pores are formed in the water drainage pipeline;
the sludge removing device is arranged at the bottom of the equipment shell and is communicated with the electrolytic reaction cavity, the inner wall of the sludge removing device is an inclined plate, and the bottom of the sludge removing device is provided with a sludge discharge hole;
the aeration device is used for generating micro bubbles and comprises an aeration pipeline and an aeration fan connected with the aeration pipeline, a plurality of aeration holes are formed in the surface of the aeration pipeline, the aeration fan is arranged at the top of the equipment shell, and the aeration pipeline extends into the electrolytic reaction cavity from the top of the equipment shell;
the electrolysis device is arranged in the electrolysis reaction cavity and comprises a plurality of positive electrode plates and negative electrode plates which are arranged in a staggered mode;
the slag scraping device is arranged at the upper part of the electrolytic reaction cavity and comprises two bearing seats arranged above the electrolytic reaction cavity, a transmission hinge arranged on the bearing seats, a plurality of arc-shaped scraping plates arranged on the transmission hinge and a driving motor connected with the bearing seats at one side, wherein two sides of each arc-shaped scraping plate are bent forwards, the bottom of each arc-shaped scraping plate is provided with a bottom plate, and a plurality of strip-shaped through holes are formed in each arc-shaped scraping plate;
the slag collecting groove is arranged on the inner side wall of the electrolytic reaction cavity and comprises an inclined plate and a connecting plate connected with the inclined plate, and a slag discharging interface is arranged on the outer side wall of the electrolytic reaction cavity and is close to the upper part of the connecting plate and communicated with the slag collecting groove;
the high-frequency power supply is electrically connected with the electrolysis device and the control box, and the control box is in communication connection with the electrolysis device, the slag scraping device and the aeration fan.
2. The electrolytic air flotation device according to claim 1, characterized in that: the right side of the equipment shell is provided with a clean water tank, the bottom of the clean water tank is provided with the water outlet port, one side of the equipment shell is provided with a crawling ladder, and the bottom of the equipment shell is provided with a plurality of supporting legs.
3. The electrolytic air flotation device according to claim 1, characterized in that: the positive electrode plate is made of iron or aluminum, and the negative electrode plate is made of graphite.
4. The electrolytic air flotation device according to claim 1, characterized in that: the positive electrode plate and the negative electrode plate are net-shaped and are both bent into a tubular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701820.0U CN211546036U (en) | 2020-08-17 | 2020-08-17 | Electrolysis air-float equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701820.0U CN211546036U (en) | 2020-08-17 | 2020-08-17 | Electrolysis air-float equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211546036U true CN211546036U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021701820.0U Active CN211546036U (en) | 2020-08-17 | 2020-08-17 | Electrolysis air-float equipment |
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| CN (1) | CN211546036U (en) |
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