CN219409381U

CN219409381U - Electrolysis electric floatation device

Info

Publication number: CN219409381U
Application number: CN202320136981.7U
Authority: CN
Inventors: 邹天鹏
Original assignee: Yantai Jinghong Environmental Protection Technology Co ltd
Current assignee: Yantai Jinghong Environmental Protection Technology Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-25
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to an electrolysis electric floatation device, which belongs to the technical field of wastewater treatment equipment, and comprises a box body, an electrolysis assembly, a water distribution assembly and an aeration assembly; the electrolysis assembly is connected in a cavity in the box body to form an electrolysis chamber, the water distribution assembly is arranged adjacent to and communicated with the electrolysis chamber, and the electrolysis assembly is opposite to and communicated with the aeration assembly. According to the electrolytic electric floatation device, the iron electrode group and the polypropylene frame are combined for use, so that the SA electrode group can be conveniently replaced, and meanwhile, the double effects of electrolytic flocculation and Fenton oxidization can be realized; the electrolysis process adopts a bottom porous pipeline aeration mode to strengthen electrode reaction in the electrolysis reaction device, the aeration amount is controlled by a gas flowmeter, and a porous aeration pipe is arranged in a looper flange mode, so that the maintenance and replacement of the porous aeration pipe are convenient, and the use requirement is met.

Description

Electrolysis electric floatation device

Technical Field

The utility model relates to an electrolysis electric floatation device, in particular to an electrolysis electric floatation device capable of saving energy consumption, and belongs to the technical field of wastewater treatment equipment.

Background

Along with the rapid development of industrialization, the waste water amount generated in the production process is increased day by day, and a certain degree of harm is caused to the environment, and the waste water treatment device in the prior art still has various defects, so that the efficiency of treating the waste water is influenced, secondary pollution is also easily caused, the use is unsafe, and the use requirements of people can not be well met. Therefore, a wastewater treatment device with low energy consumption and high efficiency is needed to meet the use requirements.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects in the prior art, the electrolytic electric flotation device is provided, the dual effects of electrolytic flocculation and Fenton oxidation can be simultaneously realized, the wastewater treatment efficiency is high, the effect is obvious, and the use requirement is met.

The technical scheme for solving the technical problems is as follows:

an electrolytic electric floatation device comprises a box body, an electrolysis assembly, a water distribution assembly and an aeration assembly; the electrolysis assembly is connected in a cavity in the box body to form an electrolysis chamber, the water distribution assembly is arranged adjacent to and communicated with the electrolysis chamber, and the electrolysis assembly is opposite to and communicated with the aeration assembly.

Further, the electrolytic component is formed by combining an SA electrode group and a polypropylene frame; the SA electrode group is made of iron materials and consists of two electrodes with different polarities, and the electrolytic assembly is electrically connected with a direct current power supply at the top of the box body.

Further, the bottom of the electrolysis assembly is connected with a grid supporting plate and is fixed in the electrolysis chamber through the grid supporting plate, and a plurality of first through holes are distributed on the bottom surface of the grid supporting plate in an array mode.

Further, the aeration assembly is composed of a compressed air pipe and a porous aeration pipe which are mutually communicated, the porous aeration pipe extends to the inside of the box body and is arranged at the bottom of the electrolysis chamber, and the porous aeration pipe is vertically opposite to the grid supporting plate.

Still further, still include the liquid level regulator, the liquid level regulator is located in the play basin adjacent to electrolysis chamber, play basin bottom communicates with each other with electrolysis chamber through the second through-hole.

Further, the end part of the compressed air pipe is connected with a gas flowmeter, and a drain pipe is arranged at the end part of the compressed air pipe, which is close to the porous aeration pipe.

Further, a scraping plate is arranged above the electrolysis assembly, and the scraping plate is connected with the output end of the screw scraper machine; the screw scraper machine can drive the scraper to reciprocate.

Further, the box body is provided with sludge chambers at two sides of the electrolysis chamber; the screw scraper can drive the scraper to move to the upper part of the sludge chamber.

Further, an air outlet is arranged above the electrolysis chamber.

Compared with the prior art, the utility model has the beneficial effects that: the device has compact structure, can realize the dual effects of electrolytic flocculation and Fenton oxidization at the same time, and ferrous ions of a Fenton system are generated through anode dissolution, so that ferrous reagents are saved, meanwhile, the utilization rate of hydrogen peroxide added during electrolysis can be improved, the reagent cost is greatly reduced, and meanwhile, the sludge yield is also greatly reduced; the device adopts the combination of the iron electrode group and the polypropylene frame, which is convenient for the replacement of the SA electrode group; the electrolysis process adopts a bottom porous pipeline aeration mode to strengthen electrode reaction in the electrolysis reaction device, the aeration amount is controlled by a gas flowmeter, and a porous aeration pipe is arranged in a looper flange mode, so that the maintenance and replacement of the porous aeration pipe are facilitated.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view (1) of the present utility model;

FIG. 3 is a cross-sectional view (2) of the present utility model;

fig. 4 is a cross-sectional view (3) of the present utility model.

In the figure, 1, a box body; 2. an electrolysis assembly; 201. a SA electrode group; 3. a water distribution component; 4. an aeration assembly; 401. a compressed air tube; 402. a porous aeration tube; 5. an electrolysis chamber; 6. a direct current power supply; 7. a grid support plate; 8. a first through hole; 9. a liquid level regulator; 10. a second through hole; 11. a gas flow meter; 12. a drain pipe; 13. a scraper; 14. screw rod scraper machine; 15. a sludge chamber; 16. an air outlet; 17. and a water outlet groove.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1 through 4, the examples being provided for illustration only and not for limitation of the scope of the utility model.

An electrolysis electric floatation device comprises a box body 1, an electrolysis assembly 2, a water distribution assembly 3 and an aeration assembly 4; the electrolysis assembly 2 is connected in a cavity in the box body 1 to form an electrolysis chamber 5, the water distribution assembly 3 is arranged adjacent to and communicated with the electrolysis chamber 5, and the electrolysis assembly 2 is opposite to and communicated with the aeration assembly 4; the water distribution component 3 is connected with the top of the box body 1 and is communicated with a water inlet tank, the water inlet mode of the device adopts an upper inlet and lower outlet mode, and the electrolytic current density range of the device is 50-100A/m ² The current density can be adjusted to adapt to the change of water quality and water quantity, the operation elasticity is better, and the energy consumption is more saved.

The electrolytic assembly 2 is formed by combining the SA electrode group 201 and a polypropylene frame, so that the SA electrode group 201 is convenient to replace; the SA electrode group 201 is made of iron materials and consists of two electrodes with different polarities, the electrolytic assembly 2 is electrically connected with the direct current power supply 6 at the top of the box body 1, the direct current power supply 6 adopts a reversible direct current power supply, the time period of the reversing electrode is set to be 30-60min, the synchronous consumption of the iron electrodes can be realized by the reversing electrode design, and the surface passivation of the iron electrodes can be avoided.

The bottom of the electrolysis assembly 2 is connected with a grid supporting plate 7 and is fixed in the electrolysis chamber 5 through the grid supporting plate 7, and a plurality of first through holes 8 are distributed on the bottom surface of the grid supporting plate 7 in an array manner.

The aeration assembly 4 consists of a compressed air pipe 401 and a porous aeration pipe 402 which are communicated with each other, the porous aeration pipe 402 extends into the box body 1 and is arranged at the bottom of the electrolysis chamber 5, and the porous aeration pipe 402 is vertically opposite to the grid supporting plate 7; the joint of the porous aeration pipe 402 and the compressed air pipe 401 is connected with a looper flange, so that the porous aeration pipe 402 can be overhauled and replaced conveniently. The bottom of the electrolysis chamber 5 adopts a conical bottom mode, so that the phenomenon that sludge is accumulated in dead corners in the electrolysis chamber 5 to block a pipeline or a water outlet is avoided.

The device also comprises a liquid level regulator 9, wherein the liquid level regulator 9 is arranged in a water outlet tank 17 adjacent to the electrolysis chamber 5, and the bottom of the water outlet tank 17 is communicated with the electrolysis chamber 5 through a second through hole 10; the liquid level in the electrolytic chamber 5 is controlled by a liquid level regulator 9.

The end part of the compressed air pipe 401 is connected with a gas flowmeter 11, and the end part of the compressed air pipe 401, which is close to the porous aerator pipe 402, is provided with a drain pipe 12.

The box body 1 is provided with a scraping plate 13 above the electrolytic component 2, and the scraping plate 13 is connected with the output end of a screw scraper 14; the screw scraper 14 can drive the scraper 13 to reciprocate.

The two sides of the electrolytic chamber 5 of the box body 1 are provided with sludge chambers 15; the screw scraper 14 may drive the scraper 13 to move above the sludge chamber 15. The screw scraper 14 can repeatedly scrape foam sludge generated in the electrolysis process back and forth and send the foam sludge into the sludge chamber 15, and the back and forth repeated action of the screw scraper 14 is controlled by a limit switch.

The box 1 is provided with an air outlet 16 above the electrolysis chamber 5.

Working principle:

taking acidic organic wastewater as an example: firstly, acidic organic wastewater flows into a core electrolysis area of an electrolysis chamber 5 through a water inlet tank, compressed air aeration is performed at the bottom of the electrolysis chamber 5 in order to ensure uniform water quality and strengthen electrolysis mass transfer effect, the flow of the compressed air is controlled through a gas flowmeter 11, and the compressed air enters a porous aeration pipe 402 at the bottom of the electrolysis chamber 5 through a compressed air pipe 401 to perform gas distribution; after the liquid level in the electrolysis chamber 5 reaches the expected liquid level, a direct-current power supply 6 is started, a screw scraper 14 is started at the same time, foam substances generated in the electrolysis process are scraped out, and the foam substances are scraped to sludge chambers 15 on two sides; the gas generated by the electrode reaction in the electrolysis process is discharged through the air outlet 16; the water level of the water discharged from the electrolysis chamber 5 is controlled by the liquid level regulator 9 of the water outlet groove 17, so that the screw scraper 14 can scrape sludge foam generated by electrolysis into the sludge chamber 15, and the liquid level cannot overflow into the sludge chamber 15 too high. In the process, the whole device adopts a fluid control mode of upper inlet and lower outlet, the treated wastewater is stirred in an aeration mode at the bottom of the electrolysis chamber 5, and the retention time, the electrolysis current density and the electrolysis voltage are controlled to carry out comprehensive treatment on the acid wastewater.

The device takes a conventional iron material as an electrode material, utilizes electrochemical anode dissolution to generate ferrous ions, then adds a certain amount of hydrogen peroxide according to the characteristics of wastewater and the electrolytic current value, catalyzes the hydrogen peroxide to generate strong oxidative hydroxyl free radicals through the ferrous ions generated by the electrochemical dissolution of the anode, oxidizes and degrades organic matters in the wastewater, and strengthens Fenton reaction effect through aeration; ferrous ions in the Fenton oxidation system are converted into ferric ions, the ferric ions are extremely easy to hydrolyze to generate precipitation, suspended matters in the wastewater are adsorbed to generate a coagulation effect, a small amount of flocculating agent is added, a cathode reaction is performed electrochemically to generate a large amount of bubbles with extremely small particle size, the tiny bubbles are attached to the flocculated rubber clusters, the rubber clusters float up to achieve an air floatation effect, finally the treated wastewater enters a drainage area through the bottom, the liquid level regulator 9 of the drainage area controls the integral water level of the device, the slag scraping effect of the screw scraper 14 is properly ensured, the integral design of the device is compact, meanwhile, the double effects of electrolytic flocculation and Fenton oxidation are realized, the wastewater treatment efficiency is high, the effect is remarkable, and the use requirement is met.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. An electrolytic electric flotation device comprises a box body (1), and is characterized in that: the device also comprises an electrolysis assembly (2), a water distribution assembly (3) and an aeration assembly (4); the electrolysis assembly (2) is connected in a cavity in the box body (1) to form an electrolysis chamber (5), the water distribution assembly (3) is arranged adjacent to and communicated with the electrolysis chamber (5), and the electrolysis assembly (2) is opposite to and communicated with the aeration assembly (4) up and down; the electrolytic component (2) is formed by combining an SA electrode group (201) and a polypropylene frame; the SA electrode group (201) is made of iron materials and consists of two electrodes with different polarities, and the electrolytic assembly (2) is electrically connected with a direct current power supply (6) at the top of the box body (1).

2. The electrolytic air flotation device of claim 1, wherein: the bottom of the electrolysis assembly (2) is connected with a grid supporting plate (7) and is fixed in the electrolysis chamber (5) through the grid supporting plate (7), and a plurality of first through holes (8) are distributed on the bottom surface of the grid supporting plate (7) in an array mode.

3. The electrolytic air flotation device of claim 2, wherein: the aeration assembly (4) consists of a compressed air pipe (401) and a porous aeration pipe (402) which are mutually communicated, the porous aeration pipe (402) extends to the inside of the box body (1) and is arranged at the bottom of the electrolysis chamber (5), and the porous aeration pipe (402) is vertically opposite to the grid supporting plate (7).

4. The electrolytic air flotation device of claim 1, wherein: the electrolytic cell also comprises a liquid level regulator (9), wherein the liquid level regulator (9) is arranged in a water outlet groove (17) adjacent to the electrolytic cell (5), and the bottom of the water outlet groove (17) is communicated with the electrolytic cell (5) through a second through hole (10).

5. An electrolytic flotation device according to claim 3, wherein: the end part of the compressed air pipe (401) is connected with a gas flowmeter (11), and a drain pipe (12) is arranged at the end part of the compressed air pipe (401) close to the porous aerator pipe (402).

6. The electrolytic air flotation device of claim 1, wherein: a scraping plate (13) is arranged above the electrolysis assembly (2) in the box body (1), and the scraping plate (13) is connected with the output end of the screw scraper machine (14); the screw scraper (14) can drive the scraper (13) to reciprocate.

7. The electrolytic air flotation device of claim 6, wherein: the two sides of the electrolytic chamber (5) of the box body (1) are provided with sludge chambers (15); the screw scraper (14) can drive the scraper (13) to move to the position above the sludge chamber (15).

8. The electrolytic air flotation device of claim 1, wherein: an air outlet (16) is arranged above the electrolysis chamber (5) in the box body (1).