CN210340638U

CN210340638U - Electrocatalytic oxidation device for sewage treatment

Info

Publication number: CN210340638U
Application number: CN201921328798.7U
Authority: CN
Inventors: 胡文娜; 刘伟
Original assignee: Bengbu College
Current assignee: Bengbu College
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-04-17
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a sewage treatment's electrocatalytic oxidation device, the novel nipple rectifier comprises a cylindrical shel, barrel top fixed mounting has the flotation cell, flotation cell top fixed mounting has planet rotating electrical machines, planet gear mechanism movable mounting is in the planet gear cover, and is three flexible connecting rod top fixed mounting has vibrations contact, the equal fixed mounting in vibrations contact bottom has the extrusion spring, flexible connecting rod is kept away from vibrations contact one end fixed mounting and is had the activity fluidized bed electrode, the division baffle is located fluidized bed electrode one side fixed mounting and has micropore aeration dish, the apopore and the division baffle intercommunication of MBR hollow fiber curtain, the contact baffle inserts power anode, the barrel inserts power cathode, the utility model discloses a multiple purification's mode is handled sewage, and the fluidized bed electrode is together rotatory along with planet gear mechanism, the fluidized bed electrode, Vibration prevents pollutants from being attached to the surface of the fluidized bed electrode, and ensures the normal operation of electrocatalysis.

Description

Electrocatalytic oxidation device for sewage treatment

Technical Field

The utility model relates to an electrocatalytic oxidation device technical field specifically is a sewage treatment's electrocatalytic oxidation device.

Background

In the prior art, the application number is "CN 201810951847.6", and the sewage treatment system by the electrocatalysis method comprises: the device comprises a flow regulating device, an electrocatalysis direct oxidation generator, an electrocatalysis indirect oxidation and separation device, a power supply system and a control system, wherein the flow regulating device is connected with the electrocatalysis direct oxidation generator; the electro-catalytic direct oxidation generator is used for respectively carrying out oxidation on harmful substances in the wastewater on the anode and the cathode through a catalytic oxidation process and converting the harmful substances into harmless substances through reduction reaction of the cathode; the electrocatalysis indirect oxidation and separation device is used for further carrying out indirect catalytic oxidation on the wastewater purified by the electrocatalysis generator and separating pollutants; the power supply system provides direct current for the electrocatalysis process of the electrocatalysis generator; the control system is used for controlling the monitoring and automatic operation of the sewage treatment system by the electro-catalysis method, and the device has the characteristics of long service life, low energy consumption, strong electro-catalysis activity, good treatment effect, good stability and the like.

But the electrocatalysis method sewage treatment system still has obvious defects in the using process: 1. the device treats the sewage only through electrocatalytic oxidation, and granular substances in the sewage are not filtered and directly contacted with the plate-type electrode, so that the granular substances are easy to attach to the surface of the plate-type electrode, and the plate-type electrode is prevented from electrolyzing the sewage; 2. the plate-type electrode of the device is fixedly arranged, the arrangement is not beneficial to full catalysis of sewage, and impurities are easily attached to the plate-type electrode which is kept still.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment's electrocatalytic oxidation device to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an electrocatalytic oxidation device for sewage treatment comprises a cylindrical barrel, wherein a flotation chamber is fixedly mounted at the top of the barrel, a water outlet is formed in one side of the flotation chamber, a planetary rotating motor is fixedly mounted at the top of the flotation chamber, a driving shaft of the planetary rotating motor is fixedly connected with a driving gear of a planetary gear mechanism, the driving gear is meshed with three driven planetary gears, the driven planetary gears are all meshed with a gear frame, the planetary gear mechanism is movably mounted in a planetary gear sleeve, the planetary gear sleeve is fixedly mounted on the inner side of the barrel, telescopic connecting rods are movably inserted in the axes of the three driven planetary gears, vibration contacts are fixedly mounted at the top ends of the three telescopic connecting rods, extrusion springs are fixedly mounted at the bottoms of the vibration contacts, and the extrusion springs are movably sleeved in the telescopic connecting rods, one end, far away from the telescopic connecting rod, of the extrusion spring is movably connected with the planetary gear sleeve, a movable fluidized bed electrode is fixedly mounted at one end, far away from the vibration contact, of the telescopic connecting rod, the vibration contact is movably connected with a contact baffle, and a plurality of vibration bulges are arranged in the contact baffle;

the bottom of the cylinder body is fixedly provided with an isolation baffle, one side of the isolation baffle, which is positioned on the fluidized bed electrode, is fixedly provided with a micropore aeration disc, the micropore aeration disc is communicated with the outside through a pipeline, one side of the isolation baffle, which is far away from the fluidized bed electrode, is fixedly provided with an MBR hollow fiber curtain, a water outlet hole of the MBR hollow fiber curtain is communicated with the isolation baffle, and the bottom of the cylinder body, which is positioned on one side of the MBR hollow fiber curtain, is fixedly;

the fluidized bed electrode comprises a titanium-plated blocking net, a partition plate is installed in the titanium-plated blocking net, titanium-plated metal particles are filled in the upper portion of the partition plate, aluminum-plated particles are filled in the lower portion of the partition plate, the contact baffle is connected to a power supply anode, and the cylinder is connected to a power supply cathode.

Preferably, a pair of scum channels have been seted up to the flotation cell both sides, the barrel is located scum channel both sides and installs the sediment chamber, the sediment chamber is through scraping the inside intercommunication of scum channel and flotation cell, movable mounting has a pair of belt scraper in the flotation cell, the belt scraper is through a pair of scum motor drive of scraping.

Preferably, the bottom of the cylinder body is fixedly provided with a base.

The application method of the electrocatalytic oxidation device for sewage treatment comprises the following steps:

the method comprises the following steps: respectively connecting the cylinder and the contact baffle to the cathode and the anode of a power supply, opening the planetary rotating motor and the slag scraping motor, injecting high-pressure gas into the microporous aeration disc, and injecting sewage to be treated into the cylinder through the water inlet;

step two: sewage is filtered once through an MBR hollow fiber curtain arranged at the bottom of the cylinder body and enters the upper part of the cylinder body through a water outlet hole communicated with the isolation baffle, the filtered sewage is fully contacted with the fluidized bed electrode, and aluminum particles in the titanium-plated barrier net are electrolyzed to form Al³⁺So as to form flocculated colloidal substances with pollutant particles in the sewage, the colloidal substances are combined with bubbles formed by the microporous aeration disc so as to float upwards, and meanwhile, the pollutants are contacted with the titanium-plated metal particles to lose electrons so as to generate oxidation, namely toxic substances are converted into non-toxic substances;

step three: sewage is finally discharged through a water outlet arranged in the flotation chamber after being filtered by an MBR hollow fiber curtain and treated by fluidized bed electrode electro-oxidation and flocculation, and bubbles floating up in the flotation chamber are scraped by a slag scraping motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the MBR hollow fiber curtain and the fluidized bed electrode to treat the sewage in a combined purification mode, the insoluble substance and the soluble substance are separately treated by the treatment mode, the purification efficiency is high, the fluidized bed electrode is protected, and the normal operation of electrocatalysis is ensured;

2. the utility model discloses a fluidized bed electrode is together rotatory along with planetary gear mechanism at the electro-catalysis in-process, and takes place the vibration at rotatory in-process, and this kind of electro-catalysis mode makes sewage constantly mix the stirring at the electro-catalysis in-process for the electro-catalysis is more abundant, prevents simultaneously that the pollutant from adhering to at fluidized bed electrode surface, guarantees the normal clear of electro-catalysis.

The utility model discloses a MBR hollow fiber curtain and fluidized bed electrode combine the mode of purification to handle sewage, separately handle insoluble substance and soluble material, and the fluidized bed electrode is together rotatory along with planetary gear mechanism at the electro-catalysis in-process, and vibrates at rotatory in-process, prevents that the pollutant from adhering to at fluidized bed electrode surface, has guaranteed electro-catalysis's normal clear.

Drawings

FIG. 1 is a schematic sectional view of the overall structure of the present invention;

FIG. 2 is a schematic perspective view of the inner structure of the barrel of the present invention;

fig. 3 is a schematic top view of the overall structure of the present invention;

FIG. 4 is a schematic diagram of the structure of the movable fluidized bed electrode of the present invention;

fig. 5 is a schematic structural view of the planetary gear mechanism of the present invention.

In the figure: 1 cylinder, 2 flotation chambers, 3 water outlets, 4 planetary rotating motors, 5 planetary gear mechanisms, 6 driving gears, 7 driven planetary gears, 8 gear frames, 9 planetary gear sleeves, 10 telescopic connecting rods, 11 vibration contacts, 12 extrusion springs, 13 movable fluidized bed electrodes, 14 contact baffles, 15 isolation baffles, 16 microporous aeration discs, 17MBR hollow fiber curtains, 18 water outlets, 19 water inlets, 20 titanium-plated blocking nets, 21 partition plates, 22 titanium-plated metal particles, 23 aluminum particles, 24 slag scraping channels, 25 slag settling chambers, 26 wheel belt type slag scraping plates, 27 slag scraping motors and 28 bases.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

an electrocatalytic oxidation device for sewage treatment comprises a cylinder body 1, wherein the cylinder body 1 is used as a sewage bearing mechanism, the cylinder body 1 is cylindrical, a flotation chamber 2 is fixedly arranged at the top of the cylinder body 1, the flotation chamber 2 is used for foam flotation, a water outlet 3 is formed in one side of the flotation chamber 2, purified sewage is discharged through the water outlet 3, a planetary rotating motor 4 is fixedly arranged at the top of the flotation chamber 2, a driving shaft of the planetary rotating motor 4 is fixedly connected with a driving gear 6 of a planetary gear mechanism 5, the planetary rotating motor 4 rotates to drive the driving gear 6 to rotate, the driving gear 6 is meshed with three driven planetary gears 7, the driving gear 6 rotates to drive the driven planetary gears 7 to rotate, the driven planetary gears 7 are all meshed with a gear frame 8, the planetary gear mechanism 5 is movably arranged in a planetary gear sleeve 9, and the planetary gear sleeve 9 is used for supporting the planetary, the planetary gear sleeve 9 is fixedly arranged on the inner side of the cylinder body 1, telescopic connecting rods 10 are movably inserted in the axle centers of the three driven planetary gears 7, the telescopic connecting rods 10 can be stretched in the axle centers of the driven planetary gears 7, vibration contacts 11 are fixedly arranged at the top ends of the three telescopic connecting rods 10, the vibration contacts 11 are used for being in contact with vibration bulges in the contact baffles 14, when the planetary gear mechanism 5 rotates to drive the telescopic connecting rods 10 to rotate, the telescopic connecting rods 10 move to enable the vibration contacts 11 to be in contact with the vibration bulges in the contact baffles 14 to vibrate up and down, extrusion springs 12 are fixedly arranged at the bottoms of the vibration contacts 11, the extrusion springs 12 are used for upwards extruding the vibration contacts 11 under the effect of no external force, the extrusion springs 12 are movably sleeved in the telescopic connecting rods 10, one ends, far away from the telescopic connecting rods 10, of the extrusion springs 12 are movably connected with the planetary gear sleeve 9, and, the telescopic connecting rod 10 drives the movable fluidized bed electrode 13 to rotate and vibrate in the rotating and vibrating processes, sewage is driven to be fully contacted with the movable fluidized bed electrode 13 through the rotation and vibration of the movable fluidized bed electrode 13, so that electrocatalysis is more sufficient, pollutants are prevented from being attached to the movable fluidized bed electrode 13 in the vibrating process, the vibrating contact 11 is movably connected with the contact baffle 14, a plurality of vibrating protrusions are arranged in the contact baffle 14, and the movable fluidized bed electrode 13 is vibrated through the vibrating protrusions;

an isolation baffle 15 is fixedly arranged at the bottom of the cylinder 1, a microporous aeration disc 16 is fixedly arranged at one side of the isolation baffle 15, which is positioned at the fluidized bed electrode 13, high-pressure gas is blown into the cylinder body 1 through the microporous aeration disc 16, micro bubbles generated by the microporous aeration disc 16 are combined with colloidal substances to float upwards for removal, the microporous aeration disc 16 is communicated with the outside through a pipeline, an MBR hollow fiber curtain 17 is fixedly installed on one side of the isolation baffle 15 far away from the fluidized bed electrode 13, the MBR hollow fiber curtain 17 is used for blocking and removing insoluble substances in sewage, a water outlet 18 of the MBR hollow fiber curtain 17 is communicated with the isolation baffle 15, sewage filtered by the MBR hollow fiber curtain 17 enters the upper space through the water outlet hole 18, a water inlet 19 is fixedly arranged at the bottom of the cylinder 1 at one side of the MBR hollow fiber curtain 17, and the sewage is conveyed into the cylinder 1 through the water inlet 19;

the fluidized bed electrode 13 comprises a titanium-plated arresting net 20, the titanium-plated arresting net 20 is used for arresting internal aluminum particles 23 and titanium-plated metal particles 22, a partition plate 21 is installed in the titanium-plated arresting net 20, the titanium-plated metal particles 22 are filled at the upper part of the partition plate 21, the titanium-plated metal particles 22 are contacted with sewage to enable the surface of the sewage to lose electrons and be oxidized, the aluminum particles 23 are filled at the lower part of the partition plate 21, trivalent aluminum ions are dissolved out through electrolysis of the aluminum particles 23 to be combined with particles in the sewage to form colloidal impurities, a contact baffle 14 is connected to a power supply anode, a cylinder body 1 is connected to a power supply cathode, the contact baffle 14 is contacted with the fluidized bed electrode 13 to enable the surface of the fluidized bed electrode 13 to be charged, and therefore the sewage between the fluidized bed electrode 13 and the cylinder body 1 is.

Preferably, a pair of slag scraping channels 24 are formed in two sides of the flotation chamber 2, a sediment chamber 25 is installed on two sides of the slag scraping channels 24 of the cylinder 1, the sediment chamber 25 is communicated with the inside of the flotation chamber 2 through the slag scraping channels 24, a pair of belt type slag scraping plates 26 are movably installed in the flotation chamber 2, the belt type slag scraping plates 26 are driven by a pair of slag scraping motors 27, the belt type slag scraping plates 26 are driven to rotate through rotation of the slag scraping motors 27, and floating foam is moved into the sediment chamber 25 through the slag scraping channels 24 by scrapers on the belt type slag scraping plates 26.

Preferably, a base 28 is fixedly installed at the bottom of the cylinder 1, and the cylinder 1 is supported by the base 28.

the method comprises the following steps: respectively connecting the cylinder 1 and the contact baffle 14 to the cathode and the anode of a power supply, opening the planetary rotating motor 4 and the slag scraping motor 27, injecting high-pressure gas into the microporous aeration disc 16, and injecting sewage to be treated into the cylinder 1 through the water inlet 19;

step two: sewage carries out primary filtration through the MBR hollow fiber curtain 17 that barrel 1 bottom set up and gets into barrel 1 upper portion through apopore 18 with division baffle 15 intercommunication, sewage after the filtration fully contacts with fluidized bed electrode 13, aluminium granule 23 in the titanium-plated arresting barrier 20 is formed Al3+ by the electrolysis thereby forms the colloidal substance of flocculation with the pollutant particle in the sewage, thereby the colloidal substance combines the come-up with the bubble that micropore aeration dish 16 formed, the pollutant loses the electron and takes place the oxidation with titanium-plated metal particle 22 contact simultaneously, convert the toxic substance into nontoxic material promptly.

Step three: sewage is filtered by an MBR hollow fiber curtain 17, subjected to electrooxidation and flocculation treatment by a fluidized bed electrode 13 and finally discharged through a water outlet 3 formed in the flotation chamber 2, and bubbles floating up in the flotation chamber 2 are scraped by a slag scraping motor 27.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewage treatment's electrocatalytic oxidation device, includes barrel (1), its characterized in that: the utility model discloses a flotation device, including barrel (1), flotation chamber (2), driving gear (6) and three driven planetary gear (7) meshing, driven planetary gear (7) all with gear frame (8) meshing, planetary gear mechanism (5) movable mounting is in planetary gear cover (9), planetary gear cover (9) fixed mounting is inboard in barrel (1), three flexible connecting rod (10) are inserted to the axle center internalization of driven planetary gear (7), and is three flexible connecting rod (10) top fixed mounting has vibrations contact (11), the bottom of each vibration contact (11) is fixedly provided with an extrusion spring (12), the extrusion springs (12) are movably sleeved in the telescopic connecting rods (10), one ends of the extrusion springs (12), far away from the telescopic connecting rods (10), are movably connected with the planetary gear sleeve (9), one ends of the telescopic connecting rods (10), far away from the vibration contacts (11), are fixedly provided with movable fluidized bed electrodes (13), the vibration contacts (11) are movably connected with contact baffles (14), and a plurality of vibration bulges are arranged in the contact baffles (14);

an isolation baffle (15) is fixedly installed at the bottom of the cylinder body (1), a micropore aeration disc (16) is fixedly installed on one side, located on the fluidized bed electrode (13), of the isolation baffle (15), the micropore aeration disc (16) is communicated with the outside through a pipeline, an MBR hollow fiber curtain (17) is fixedly installed on one side, away from the fluidized bed electrode (13), of the isolation baffle (15), a water outlet hole (18) of the MBR hollow fiber curtain (17) is communicated with the isolation baffle (15), and a water inlet (19) is fixedly installed at the bottom, located on one side, of the MBR hollow fiber curtain (17), of the cylinder body (1);

the fluidized bed electrode (13) comprises a titanium-plated blocking net (20), a partition plate (21) is installed in the titanium-plated blocking net (20), titanium-plated metal particles (22) are filled on the upper portion of the partition plate (21), aluminum particles (23) are filled on the lower portion of the partition plate (21), the contact baffle (14) is connected to a power supply anode, and the cylinder (1) is connected to a power supply cathode.

2. An electrocatalytic oxidation apparatus for wastewater treatment according to claim 1, wherein: flotation cell (2) both sides have been seted up a pair of sediment passageway (24) of scraping, barrel (1) are located and scrape sediment passageway (24) both sides and install sediment chamber (25), sediment chamber (25) are through scraping sediment passageway (24) and flotation cell (2) inside intercommunication, movable mounting has a pair of belt type scum board (26) in flotation cell (2), belt type scum board (26) are through a pair of drive of scraping sediment motor (27).

3. An electrocatalytic oxidation apparatus for wastewater treatment according to claim 1, wherein: the bottom of the barrel body (1) is fixedly provided with a base (28).