CN212334689U

CN212334689U - Electrocatalytic oxidation device

Info

Publication number: CN212334689U
Application number: CN202021243723.1U
Authority: CN
Inventors: 何晓礼; 王尚芝; 叶芳芳; 张帅; 李长刚; 詹彤; 谢文玉; 李德豪; 刘志森; 王儒珍; 梁家豪; 杨振兴; 李阳; 郭晓培; 叶绮彤; 钟英佳; 陈茜; 文涛; 陈亮; 郑良浩
Original assignee: Guangdong University of Petrochemical Technology; Sinopec Zhanjiang Dongxing Petrochemical Co Ltd
Current assignee: Guangdong University of Petrochemical Technology; Sinopec Zhanjiang Dongxing Petrochemical Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-01-12
Anticipated expiration: 2030-06-29

Abstract

The utility model provides an electrocatalytic oxidation device, which comprises a cell body, wherein a cathode electrode and an anode electrode are arranged in the cell body, and a power supply is arranged outside the cell body; the top of the side surface of the tank body is provided with an air outlet which is connected with an air outlet pipeline, and the tail end of the air outlet pipeline is connected with an exhaust fan; a push plate is arranged at one end, far away from the air outlet, in the tank body, the bottom of the push plate is higher than the upper surfaces of the cathode electrode and the anode electrode, a bottom plate is vertically and slidably connected onto the push plate, the upper surface of the bottom plate is a sliding inclined surface which inclines downwards from the side close to the push plate, and a limiting block for limiting the bottom plate to fall is arranged at the bottom of the push plate; a driving mechanism for driving the push plate to move towards the air outlet is arranged on the tank body, a guide block is fixed at one end of the inner side of the tank body, which is close to the air outlet, the guide block is provided with a guide inclined plane which extends downwards from the bottom of the air outlet in an inclined manner, and the lowest end of the guide inclined plane is positioned below the limiting block; the lower surface of the gas outlet pipeline is connected with a discharge pipe, a material receiving box is sleeved outside the discharge pipe, and the material receiving box seals the pipe opening of the discharge pipe and can quickly remove scum generated in the electrolytic process.

Description

Electrocatalytic oxidation device

Technical Field

The utility model relates to a waste water treatment field, in particular to electrocatalytic oxidation device.

Background

The ammonia nitrogen wastewater mainly comes from chemical fertilizers, coking, petrifaction, pharmacy, foods, refuse landfills and the like, a large amount of ammonia nitrogen wastewater is discharged into a water body, not only is the water body eutrophication caused, the water body is black and smelly, the difficulty and the cost of water supply treatment are increased, even toxic action is generated to crowds and organisms, the treatment process aiming at the ammonia nitrogen wastewater mainly comprises a zeolite deamination method, an MAP precipitation method, a chemical oxidation method and the like, and then an electrocatalytic oxidation technology is developed.

The electrocatalytic oxidation technology degrades organic pollutants in the wastewater by generating active groups with strong oxidizability such as hydroxyl radicals and the like, has the characteristics of no secondary pollution, low cost, strong applicability, high efficiency and the like, and has application potential in the aspect of treating wastewater with high concentration and difficult biochemical degradation.

Scum is generated in the electrolytic process of the wastewater, the wastewater needs to be cleaned regularly, and the electric cell cannot work during cleaning, so that the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and aims to provide an electrocatalytic oxidation device which can rapidly remove scum generated in the electrolysis process so as to continuously operate the device and simultaneously remove waste gas generated by electrolysis to prevent flash explosion.

The above technical purpose of the present invention can be achieved by the following technical solutions: the electrocatalytic oxidation device comprises a cell body, wherein a cathode electrode and an anode electrode are arranged in the cell body, a power supply is arranged outside the cell body and is respectively connected with the cathode electrode and the anode electrode through leads, and the part of the leads positioned in the cell body is horizontally arranged and penetrates through the cell body to be hermetically connected with the cell body; a liquid inlet is formed in the top of the tank body, and a liquid outlet is formed in the bottom of the tank body; an air outlet is formed in the top of the side face of the tank body and connected with an air outlet pipeline, and the tail end of the air outlet pipeline is connected with an exhaust fan; a push plate is arranged at one end, far away from the gas outlet, in the tank body, the bottom of the push plate is higher than the upper surfaces of the cathode electrode and the anode electrode, a bottom plate is vertically and slidably connected onto the push plate, the upper surface of the bottom plate is a sliding inclined surface which inclines downwards from the side close to the push plate, the two ends of the push plate and the bottom plate are both abutted against the inner wall of the tank body, a limiting block for limiting the bottom plate to fall is arranged at the bottom of the push plate, and the bottom plate is; a driving mechanism for driving the push plate to move towards the air outlet is mounted on the tank body, a guide block is fixed at one end of the inner side of the tank body, which is close to the air outlet, and is provided with a guide inclined plane which extends obliquely and downwards from the bottom of the air outlet, and the lowest end of the guide inclined plane is positioned below the limiting block; the lower surface of the gas outlet pipeline is connected with a discharge pipe, a material receiving box is sleeved outside the discharge pipe, the material receiving box seals the pipe opening of the discharge pipe, and the discharge pipe is detachably connected with the material receiving box.

In this scheme, waste gas is taken out from the gas outlet by the air exhauster and is carried out the follow-up processing and discharge, the dross removes the gathering through the push pedal, promote dross toward the gas outlet direction, when bottom plate butt direction inclined plane and when continuing to move to the gas outlet direction along with the push pedal, because the cooperation of direction inclined plane, the bottom plate shifts up, finally make the bottom plate shift up to the bottom plate upper surface be higher than the gas outlet lower extreme, the dross is piled up on the bottom plate and is dropped toward the gas outlet because the suction of air exhauster and self gravity glide down, the dross slides down to the discharging pipe and gets into in the receiving box along the pipeline of giving vent to anger, because the mouth of the discharging pipe is sealed by the receiving box, therefore the air exhauster.

The device is further provided with a driving mechanism which comprises a motor arranged outside the tank body and a screw rod connected with the motor, wherein the screw rod penetrates through the side wall on one side of the tank body, the push plate is in threaded connection with the push plate, a mounting plate is fixed at the air outlet, and two ends of the screw rod are respectively in circumferential rotation connection with the side wall of the tank body and the mounting plate; a locating block is fixed in the tank body, and the lowest part of the lower surface of the bottom plate is flush with the lower surface of the air outlet when the push plate is abutted against the locating block.

The reciprocating motion of the push plate is driven by the positive and negative rotation of the motor.

Further setting, the push pedal is in butt joint with the top surface of the tank body, and the push pedal is provided with a small hole.

Further, push pedal and cell body top surface butt to set up the aperture on the push pedal, make most air current from the inside through the push pedal entering gas outlet of cell body, so the thrust effect of air current dross is more obvious on the bottom plate.

Further, the cross section of the mounting plate is gradually reduced, and the mounting plate extends towards the push plate to form a plurality of conical surfaces.

The conical surface has a guiding function, so that scum can conveniently enter the air outlet.

Further, ultrasonic generators are arranged on the inner wall of the cell body and positioned on the side edges of the cathode electrode and the anode electrode.

The electrolysis is carried out under the ultrasonic condition, which is beneficial to the generated gas to dissolve the water body and increases the treatment effect.

Further setting, aeration equipment is installed to the cell body bottom, aeration equipment includes aeration pipe, with the air compressor machine of aeration union coupling.

Aeration is beneficial to uniform water quality, and scaling of the electrode is prevented.

Further arranged, the liquid inlet is arranged at one end far away from the gas outlet.

So that the exhaust gas is exhausted more cleanly.

The material receiving box is further provided with a plurality of lifting rings in a hinged mode in the circumferential direction, a plurality of positioning rods are fixed on the material discharging pipe, the number of the positioning rods is the same as that of the lifting rings, and the lifting rings are hung on the positioning rods.

The material receiving box is usually hung on the positioning rod through a lifting ring, the pipe orifice of the discharge pipe and the bottom of the material receiving box are arranged in a clearance mode, the lifting ring and the positioning rod are arranged at intervals by upwards moving the material receiving box, and therefore the lifting ring is rotated to take out the material receiving box; the lifting ring is convenient to carry.

To sum up, the utility model discloses following beneficial effect has: according to the scheme, the scum on the surface of the wastewater is effectively removed; the waste gas is effectively discharged, so that flash explosion is prevented; electrode scaling is not easy to generate; the ultrasonic device is beneficial to the generated gas to dissolve the water body, and the treatment effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of the main body of the embodiment;

FIG. 2 is a schematic diagram of a partial structure of the first embodiment;

FIG. 3 is a second partial schematic structural view of the embodiment;

fig. 4 is an enlarged view of a portion a of fig. 1.

Reference numerals: 1. a tank body; 11. a liquid inlet; 12. a liquid discharge port; 13. an air outlet; 14. positioning blocks; 21. a cathode electrode; 22. an anode electrode; 23. a power source; 24. a wire; 31. an air outlet pipe; 32. an exhaust fan; 33. pushing the plate; 331. a small hole; 332. a dovetail groove; 34. a base plate; 341. sliding down the inclined plane; 35. a limiting block; 41. a motor; 42. a screw; 43. mounting a plate; 5. a guide slope; 61. a discharge pipe; 62. a material receiving box; 63. a lifting ring; 64. positioning a rod; 7. an ultrasonic generator; 81. an aeration pipe; 82. an air compressor.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

An electrocatalytic oxidation device, as shown in fig. 1-4, comprises a cell body 1, a cathode electrode 21 and an anode electrode 22 are arranged in the cell body 1, a power supply 23 is arranged outside the cell body 1, the power supply 23 is respectively connected with the cathode electrode 21 and the anode electrode 22 through a lead 24, and the part of the lead 24 positioned in the cell body 1 is horizontally arranged and passes through the cell body 1 to be hermetically connected with the cell body 1; a liquid inlet 11 is opened at 1 top of cell body, and cell body 1 bottom is provided with leakage fluid dram 12, and manual valve is all installed to liquid inlet 11 and leakage fluid dram 12, and the manual valve of liquid inlet 11 is normally opened, and the manual valve of leakage fluid dram 12 is normally closed. An air outlet 13 is arranged at the top of the side surface of the tank body 1, the liquid inlet 11 is arranged at one end far away from the air outlet 13, the air outlet 13 is connected with an air outlet pipeline 31, and the tail end of the air outlet pipeline 31 is connected with an exhaust fan 32.

One end of the tank body 1, which is far away from the air outlet 13, is provided with a push plate 33, the push plate 33 is abutted against the top surface of the tank body 1, the push plate 33 is provided with a small hole 331, the diameter of the small hole 331 is smaller than the size of scum, and the scum can not pass through the small hole 331. The bottom of the push plate 33 is higher than the upper surfaces of the cathode electrode 41 and the anode electrode 41, and a bottom plate 34 is vertically connected to the push plate 33 in a sliding manner. The bottom plate 34 is fixed with a dovetail block, the push plate 33 is provided with a dovetail groove 332 which is vertically arranged, and the dovetail groove and the dovetail block are matched to realize the sliding of the bottom plate 34.

The upper surface of the bottom plate 34 is a downward sliding inclined plane 341 inclined from one side close to the push plate 33, the two ends of the push plate 33 and the bottom plate 34 are both abutted against the inner wall of the tank body 1, the bottom of the push plate 33 is provided with a limiting block 35 for limiting the falling of the bottom plate 34, and the bottom plate 34 is positioned below the liquid level of the wastewater when being abutted against the limiting block 35. A positioning block 14 is fixed in the tank body 1, and when the push plate 33 is abutted against the positioning block 14, the lowest part of the lower surface of the bottom plate 34 is flush with the lower surface of the air outlet 13.

The driving mechanism for driving the push plate 33 to move towards the air outlet 13 is arranged on the tank body 1, the driving mechanism comprises a motor 41 arranged outside the tank body 1 and a screw rod 42 connected with the motor 41, the screw rod 42 penetrates through the side wall of one side of the tank body 1, the push plate 33 is in threaded connection with the push plate 33, an installation plate 43 is fixed at the air outlet 13, and two ends of the screw rod 42 are respectively connected with the side wall of the tank body 1 and the installation plate 43 in a circumferential rotating manner. The mounting plate 43 has a tapered cross-section that extends toward the push plate 33 to form a plurality of tapered surfaces. The screw rod 42, the push plate 33, the bottom plate 34 and the limiting block 35 are all made of PVC materials and are subjected to corrosion resistance treatment.

A guide block is fixed at one end of the inner side of the tank body 1 close to the air outlet 13, the guide block is provided with a guide inclined plane 5 which extends downwards from the bottom of the air outlet 13 in an inclined manner, and the lowest end of the guide inclined plane 5 is positioned below the limiting block 35.

The lower surface of the gas outlet pipe 31 is connected with a material outlet pipe 61, the material outlet pipe 61 is sleeved with a material receiving box 62, the material receiving box 62 seals the pipe orifice of the material outlet pipe 61, and the material outlet pipe 61 is detachably connected with the material receiving box 62. The material receiving box 62 is hinged with a plurality of lifting rings 63 along the circumferential direction, a plurality of positioning rods 64 are fixed on the material discharging pipe 61, the number of the positioning rods 64 is the same as that of the lifting rings 63, and the lifting rings 63 are hung on the positioning rods 64.

The ultrasonic generators 7 are arranged on the inner wall of the cell body 1 and positioned at the side edges of the cathode electrode 21 and the anode electrode 22. The bottom of the tank body 1 is provided with an aeration device which comprises an aeration pipe 81 and an air compressor 82 connected with the aeration pipe 81.

Scum passes through push pedal 33 and removes the gathering, promote scum toward gas outlet 13 direction, when bottom plate 34 butt direction inclined plane 5 and when continuing to move to gas outlet 13 direction along with push pedal 33, because direction inclined plane 5 cooperates, bottom plate 34 shifts up, finally make bottom plate 34 shift up to bottom plate 34 upper surface be higher than gas outlet 13 lower extreme, the scum is piled up on bottom plate 34 and because suction of air exhauster 32 and self gravity gliding toward gas outlet 13 and is dropped, the scum is followed outlet pipe 31 gliding to discharging pipe 61 and is gone into in the material receiving box 62. The material receiving box 62 is cleaned regularly.

Claims

1. The utility model provides an electrocatalytic oxidation device, includes cell body (1), set up negative pole electrode (21) and anode electrode (22) in cell body (1), cell body (1) outer installation power (23), power (23) are connected characterized by with negative pole electrode (21) and anode electrode (22) respectively through wire (24): the part of the lead (24) positioned in the tank body (1) is horizontally arranged and penetrates through the tank body (1) to be hermetically connected with the tank body (1); a liquid inlet (11) is formed in the top of the tank body (1), and a liquid outlet (12) is formed in the bottom of the tank body (1); an air outlet (13) is formed in the top of the side face of the tank body (1), the air outlet (13) is connected with an air outlet pipeline (31), and the tail end of the air outlet pipeline (31) is connected with an exhaust fan (32); a push plate (33) is arranged at one end, far away from the air outlet (13), in the tank body (1), the bottom of the push plate (33) is higher than the upper surfaces of the cathode electrode (21) and the anode electrode (22), the push plate (33) is vertically and slidably connected with a bottom plate (34), the upper surface of the bottom plate (34) is a sliding inclined surface (341) which inclines downwards from one side close to the push plate (33), two ends of the push plate (33) and the bottom plate (34) are abutted against the inner wall of the tank body (1), a limiting block (35) which limits the bottom plate (34) to fall is arranged at the bottom of the push plate (33), and the bottom plate (34) is positioned below the liquid level of wastewater when being; a driving mechanism for driving the push plate (33) to move towards the air outlet (13) is mounted on the tank body (1), a guide block is fixed at one end of the inner side of the tank body (1) close to the air outlet (13), the guide block is provided with a guide inclined plane (5) which extends downwards from the bottom of the air outlet (13) in an inclined manner, and the lowest end of the guide inclined plane (5) is positioned below the limiting block (35); a discharging pipe (61) is connected to gas outlet pipe (31) lower surface, a material receiving box (62) is cup jointed outward in discharging pipe (61), the mouth of pipe of discharging pipe (61) is sealed in material receiving box (62), discharging pipe (61) can be dismantled with material receiving box (62) and be connected.

2. The electrocatalytic oxidation apparatus as set forth in claim 1, wherein: actuating mechanism is including installing motor (41) in cell body (1) outside, screw rod (42) of being connected with motor (41), and screw rod (42) pass cell body (1) one side lateral wall, push pedal (33) and push pedal (33) threaded connection, and a fixed mounting panel (43) is located in gas outlet (13), and screw rod (42) both ends are connected with cell body (1) lateral wall, mounting panel (43) circumferential direction respectively, cell body (1) internal fixation locating piece (14), bottom plate (34) lower surface is lowest when push pedal (33) butt locating piece (14) and gas outlet (13) lower surface parallel and level.

3. The electrocatalytic oxidation apparatus as set forth in claim 1, wherein: the push plate (33) is abutted against the top surface of the tank body (1), and the push plate (33) is provided with a small hole (331).

4. The electrocatalytic oxidation apparatus as set forth in claim 2, wherein: the cross section of the mounting plate (43) is gradually reduced, and a plurality of conical surfaces are formed by extending towards the push plate (33).

5. The electrocatalytic oxidation apparatus as set forth in claim 1, wherein: and ultrasonic generators (7) are arranged on the inner wall of the tank body (1) and positioned on the side edges of the cathode electrode (21) and the anode electrode (22).

6. The electrocatalytic oxidation apparatus as set forth in claim 1, wherein: the aeration device is arranged at the bottom of the tank body (1) and comprises an aeration pipe (81) and an air compressor (82) connected with the aeration pipe (81).

7. The electrocatalytic oxidation apparatus as set forth in claim 1, wherein: the liquid inlet (11) is arranged at one end far away from the air outlet (13).

8. The electrocatalytic oxidation apparatus as set forth in claim 1, wherein: the receiving box (62) is hinged with a plurality of lifting rings (63) along the circumferential direction, the discharging pipe (61) is fixedly provided with a plurality of positioning rods (64), the number of the positioning rods (64) is the same as that of the lifting rings (63), and the lifting rings (63) are hung on the positioning rods (64).