CN213060308U

CN213060308U - Iron-carbon micro-electrolysis reactor for sewage dephosphorization

Info

Publication number: CN213060308U
Application number: CN202021584469.1U
Authority: CN
Inventors: 王晛; 李海利; 黄帆; 李征文
Original assignee: Youde Taihu Water Suzhou Co ltd
Current assignee: Youde Taihu Water Suzhou Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-27
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses an iron-carbon micro-electrolysis reactor for sewage dephosphorization, including sewage treatment case, rotating-structure, cylinder and aeration subassembly, rotating-structure includes the driving piece and the pivot of being connected with the driving piece, the cylinder is located sewage treatment incasement, the cylinder is fixed mounting in the pivot and rotates along with the pivot, the cylinder intussuseption is filled with little electrolysis filler, the cylinder rotates and drives little electrolysis filler collision friction each other, aeration subassembly includes air-blower, intake pipe and aeration membrane pipe, the air-blower passes through the intake pipe and communicates with aeration membrane pipe, aeration membrane pipe is located sewage treatment bottom of the case portion, the cylinder rotates and drives little electrolysis filler collision friction each other and removes little electrolysis filler surface oxide film, make little electrolysis filler continuous electrolysis; the aeration component increases the oxygen content in the sewage, accelerates the flocculation generation and removes the phosphorus in the sewage.

Description

Iron-carbon micro-electrolysis reactor for sewage dephosphorization

Technical Field

The utility model relates to sewage treatment, in particular to an iron-carbon micro-electrolysis reactor for sewage dephosphorization.

Background

The iron-carbon micro-electrolysis technology takes waste water as electrolyte, scrap iron in micro-electrolysis filler is taken as an anode, and activated carbon is taken as a cathode to form a primary battery, and the waste water is subjected to electrolytic oxidation and reduction treatment by discharging to form current, and the principle of the technology is based on the combined action of electrochemistry, oxidation-reduction and flocculation precipitation so as to achieve the purpose of removing organic pollutants. The method has the advantages of wide application range, good treatment effect, low cost, short treatment time, convenience in operation and maintenance, low power consumption and the like, and is widely applied to pretreatment and advanced treatment of industrial wastewater.

When the existing micro-electrolysis system is applied to rural sewage treatment, long-term experiments and applications show that the phenomenon of passivation of a soluble metal anode is often encountered in the dephosphorization process of the micro-electrolysis method. Under the action of an external current, a compact non-conductive oxide is generated in the reaction process to cover the anode, so that the release of metal ions is hindered, the oxide film is continuously thickened along with the progress of electrolysis, the resistance of the oxide film is continuously increased, the passing current of an electrolysis system is continuously reduced, the electrode reaction rate is reduced, the dephosphorization efficiency of an electrolysis method is finally influenced, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide an iron-carbon micro-electrolysis reactor for sewage dephosphorization, which can remove oxide films on the surfaces of electrolytic materials.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a little electrolytic reaction ware of iron carbon for sewage dephosphorization, includes sewage treatment case, rotating-structure, cylinder and aeration subassembly, rotating-structure include the driving piece and with the pivot that the driving piece is connected, the cylinder is located the sewage treatment incasement, cylinder fixed mounting in the pivot is followed the pivot rotates, the cylinder intussuseption is filled with little electrolytic filler, the cylinder rotates and drives little electrolytic filler collision friction each other, the aeration subassembly includes air-blower, intake pipe and aeration membrane pipe, the air-blower passes through the intake pipe with aeration membrane pipe intercommunication, aeration membrane pipe is located sewage treatment bottom of the case portion.

Further, the roller is provided with a plurality of water inlet holes, and the inside of the roller is communicated with the sewage treatment tank through the water inlet holes.

Further, the cylinder is equipped with the charge door, after the cylinder is reinforced, the charge door is closed.

Further, the iron-carbon micro-electrolysis reactor for removing phosphorus from sewage further comprises a material turning assembly, wherein the material turning assembly comprises a material turning rod, the material turning rod is fixed on the rotating shaft and rotates along with the roller, and the material turning rod drives the micro-electrolysis filler to rotate so as to prevent the micro-electrolysis filler from precipitating at the bottom of the roller.

Further, the section of the material overturning rod is L-shaped.

Furthermore, the number of the material turning rods is four, and the four material turning rods are uniformly distributed in the roller.

Further, the stirring assembly further comprises a mounting disc, the mounting disc is fixed to the rotating shaft, the edge of the mounting disc is fixed to the roller, and the stirring rod is fixed to the mounting disc.

Furthermore, the mounting disc is provided with a material passing hole so that the insides of the rollers on two sides of the mounting disc are communicated.

Further, the iron-carbon micro-electrolysis reactor for sewage dephosphorization further comprises a mounting rack, the mounting rack is located at the bottom of the sewage treatment tank, the rotating structure further comprises a bearing seat, and the rotating shaft is installed in the mounting rack through the bearing seat.

Compared with the prior art, the utility model discloses iron carbon micro-electrolysis reactor for sewage dephosphorization still includes rotating-structure, cylinder and aeration subassembly, rotating-structure includes the driving piece and the pivot of being connected with the driving piece, the cylinder is located the sewage treatment incasement, cylinder fixed mounting is in the pivot and rotates along with the pivot, the cylinder intussuseption is filled with little electrolytic filler, the cylinder rotates and drives little electrolytic filler collision friction each other, aeration subassembly includes the air-blower, intake pipe and aeration membrane pipe, the air-blower passes through the intake pipe and communicates with aeration membrane pipe, aeration membrane pipe is located sewage treatment bottom of the case portion, the cylinder rotates and drives little electrolytic filler collision friction each other and gets rid of little electrolytic filler surface oxide film, make little electrolytic filler continuous electrolysis; the aeration component increases the oxygen content in the sewage, accelerates the flocculation generation and removes the phosphorus in the sewage.

Drawings

FIG. 1 is a front view of the iron-carbon micro-electrolysis reactor for removing phosphorus from sewage;

FIG. 2 is a schematic diagram of the internal structure of the iron-carbon micro-electrolysis reactor for removing phosphorus from wastewater shown in FIG. 1;

FIG. 3 is a perspective sectional view of the iron-carbon micro-electrolysis reactor for removing phosphorus from wastewater of FIG. 1;

FIG. 4 is an enlarged view of the iron-carbon micro-electrolysis reactor A for removing phosphorus from wastewater in FIG. 3;

FIG. 5 is a perspective view of a partial structure of the iron-carbon micro-electrolysis reactor for removing phosphorus from wastewater shown in FIG. 3.

In the figure: 10. a sewage treatment tank; 11. a box body; 110. a water inlet; 111. a water outlet; 112. a manhole; 12. a support frame; 20. a rotating structure; 21. a drive member; 22. mounting a plate; 23. a rotating shaft; 24. a bearing seat; 30. a drum; 31. a feed inlet; 32. a water inlet hole; 40. a material overturning assembly; 41. mounting a disc; 410. a material passing hole; 42. a material turning rod; 50. a mounting frame; 60. an aeration assembly; 61. a blower; 62. an air inlet pipe; 63. and (4) an aeration membrane tube.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, an iron-carbon micro-electrolysis reactor for removing phosphorus from sewage according to the present invention includes a sewage treatment tank 10, a rotating structure 20, a roller 30, a material reversing assembly 40, a mounting frame 50, and an aeration assembly 60.

The sewage treatment tank 10 includes a tank body 11 and a support frame 12. The support frame 12 is fixed to the cabinet 11. The tank 11 is provided with a water inlet 110, a water outlet 111, and a manhole 112. The water inlet 110 is for the sewage to enter the sewage treatment tank 10. The water outlet 111 is used for the treated water to flow out of the sewage treatment tank 10. The manhole 112 is used for a user to observe or maintain the internal condition of the iron-carbon micro-electrolysis reactor for sewage dephosphorization.

The rotating structure 20 includes a driving member 21, a mounting plate 22, a rotating shaft 23, and a bearing housing 24. The drive 21 is an electric motor. The driver 21 is mounted to the support frame 12 by a mounting plate 22. The output shaft of the driving member 21 is connected to the rotating shaft 23, and the driving member 21 can drive the rotating shaft 23 to rotate. The rotating shaft 23 is mounted to the mounting bracket 50 through a bearing housing 24. The mounting bracket 50 is located at the bottom of the case 11.

The drum 30 is cylindrical. The drum 30 is provided with a feed inlet 31 and a plurality of water inlet holes 32. The feed opening 31 can be closed after the micro-electrolysis filler is added, so that the micro-electrolysis filler is prevented from leaking out of the roller 30 in the rotation process. A plurality of water inlet holes 32 are uniformly distributed on the surface of the drum 30 to communicate the inside of the drum 30 with the inside of the cabinet 11. The drum 30 is fixed to the rotation shaft 23 and rotates with the rotation shaft 23.

The upender assembly 40 comprises a mounting plate 41 and an upender bar 42. The mounting plate 41 is fixed to the rotation shaft 23 and has an edge fixed to or abutted against the drum 30 so as to enhance the structural strength of the drum 30. The mounting disc 41 is provided with material passing holes 410, and the material passing holes 410 enable the insides of the rollers 30 on two sides of the mounting disc 41 to be communicated, so that the micro-electrolysis fillers on two sides of the mounting disc 41 can collide and rub with each other, and surface oxide films are removed. The stirring rod 42 is fixed to the mounting plate 41. The material turning rods 42 are L-shaped in cross section and four in number, and are uniformly distributed inside the drum 30. The material turning rod 42 can turn over the micro-electrolysis filler when rotating, so that the micro-electrolysis filler is ensured to collide with each other in the roller 30, and the micro-electrolysis filler is prevented from precipitating at the bottom of the roller 30, and the micro-electrolysis filler is generated under the condition that the roller 30 rotates but the roller 30 does not move.

The aeration assembly 60 includes a blower 61, an air inlet pipe 62, and an aeration membrane pipe 63. The blower 61 is fixed to the outer top of the case 11. The aeration membrane pipe 63 is positioned at the bottom in the box body 11. The blower 61 is communicated with the aeration membrane tube 63 through an air inlet tube 62.

When the iron-carbon micro-electrolysis reactor for removing phosphorus from sewage is normally used in rural sewage treatment, countless micro-battery systems can be formed in the sewage treatment tank 10 after the sewage enters the sewage treatment tank 10, and an electric field is formed in the action space of the micro-battery systems. The micro-electrolysis filler generates cations, and the cations and a plurality of components in the wastewater generate oxidation-reduction reaction, such as chromophoric groups or chromophoric groups of colored substances in the colored wastewater can be damaged, and even chain breakage can be realized, so that the effects of degradation and decoloration can be achieved; the generated Fe2+ is further oxidized into Fe3+, and the hydrates of the Fe2+ have stronger adsorption-flocculation activity, particularly ferrous hydroxide and ferric hydroxide colloid flocculants are generated after alkali is added to adjust the pH value, the adsorption capacity of the Fe2+ and the hydrates is far higher than that of ferric hydroxide colloids obtained by hydrolysis of common medicaments, and a large amount of micro particles, metal particles and organic macromolecules dispersed in water can be adsorbed. The aeration assembly 60 increases the oxygen content in the wastewater to accelerate flocculation and remove phosphorus from the wastewater.

Under the action of an external current, a compact non-conductive oxide is generated in the reaction process to cover the anode, so that the release of metal ions is hindered, the oxide film is continuously thickened along with the progress of electrolysis, the resistance of the oxide film is continuously increased, the passing current of an electrolysis system is continuously reduced, the electrode reaction rate is reduced, the dephosphorization efficiency of an electrolysis method is finally influenced, and the cost is increased.

At the moment, the driving part 21 drives the roller 30 to rotate through the rotating shaft 23, and the micro-electrolysis fillers in the roller 30 collide with each other and rub to remove oxide films on the surfaces of the micro-electrolysis fillers, so that the micro-electrolysis fillers are continuously electrolyzed, and sewage treatment is continuously carried out.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides a little electrolytic reactor of iron carbon for sewage dephosphorization, includes sewage treatment case, its characterized in that: iron-carbon micro-electrolysis reactor for sewage dephosphorization still includes rotating-structure, cylinder and aeration subassembly, rotating-structure include the driving piece and with the pivot that the driving piece is connected, the cylinder is located the sewage treatment incasement, cylinder fixed mounting in the pivot is followed the pivot rotates, the cylinder intussuseption is filled with little electrolytic filler, the cylinder rotates and drives little electrolytic filler collision friction each other, the aeration subassembly includes air-blower, intake pipe and aeration membrane pipe, the air-blower passes through the intake pipe with aeration membrane pipe intercommunication, aeration membrane pipe is located sewage treatment bottom of the case portion.

2. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage as recited in claim 1, wherein: the cylinder is equipped with a plurality of inlet openings, the cylinder is inside to be passed through the inlet opening with sewage treatment case intercommunication.

3. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage as recited in claim 1, wherein: the cylinder is equipped with the charge door, the reinforced back of accomplishing of cylinder, the charge door is closed.

4. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage as recited in claim 1, wherein: the iron-carbon micro-electrolysis reactor for removing phosphorus from sewage further comprises a material turning assembly, wherein the material turning assembly comprises a material turning rod, the material turning rod is fixed on the rotating shaft and rotates along with the roller, and the material turning rod drives the micro-electrolysis filler to rotate so as to prevent the micro-electrolysis filler from precipitating at the bottom of the roller.

5. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage as recited in claim 4, wherein: the section of the material turning rod is L-shaped.

6. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage as recited in claim 4, wherein: the quantity of stirring rods is four, and the four stirring rods are uniformly distributed in the roller.

7. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage as recited in claim 4, wherein: the stirring assembly further comprises a mounting disc, the mounting disc is fixed to the rotating shaft, the edge of the mounting disc is fixed to the roller, and the stirring rod is fixed to the mounting disc.

8. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage of claim 7, which is characterized in that: and the mounting disc is provided with material passing holes so that the insides of the rollers at two sides of the mounting disc are communicated.

9. The iron-carbon microelectrolysis reactor for removing phosphorus from sewage as recited in claim 1, wherein: the iron-carbon micro-electrolysis reactor for sewage dephosphorization further comprises a mounting rack, the mounting rack is located at the bottom of the sewage treatment tank, the rotating structure further comprises a bearing seat, and the rotating shaft is installed in the mounting rack through the bearing seat.