CN209957439U

CN209957439U - Electrocatalysis micro-electrolysis device

Info

Publication number: CN209957439U
Application number: CN201920420373.2U
Authority: CN
Inventors: 应润兵; 孙小琪; 黄丹
Original assignee: Zerun Environmental Science And Technology (guangdong) Co Ltd
Current assignee: Zerun Environmental Science And Technology (guangdong) Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-17
Anticipated expiration: 2029-03-29

Abstract

The utility model provides an electrocatalysis micro-electrolysis device, which comprises a direct current power supply, a reaction body, and a baffle, a packing frame, a plate electrode, an inlet tube, an aeration tube and a water outlet groove which are respectively positioned in the reaction body, wherein the baffle is divided into two parts, two side edges of each baffle are both fixedly arranged on the side wall in the reaction body, and an accommodating space is formed in the reaction body, the lower end of the accommodating space is communicated with the inside of the reaction body; the utility model has the advantages of high reaction rate, high pollutant removal rate and good treatment effect on the organic wastewater difficult to degrade.

Description

Electrocatalysis micro-electrolysis device

Technical Field

The utility model relates to a treatment device for organic wastewater difficult to degrade, in particular to an electro-catalysis micro-electrolysis device.

Background

In recent years, the micro-electrolysis method has a great deal of application in the wastewater treatment of many industries, and the principle is that under the acidic condition, a plurality of micro-battery systems are formed by utilizing the potential difference generated by the micro-electrolysis material, and the wastewater is subjected to electrolysis treatment, so that the purpose of degrading organic pollutants is achieved.

The micro-electrolysis technology is an ideal process for treating organic wastewater at present, and the related existing reactor has the characteristics of simple structure, good plug flow property, low reaction speed, low pollutant removal rate and unobvious treatment effect on organic wastewater difficult to degrade.

SUMMERY OF THE UTILITY MODEL

To foretell not enough, the utility model aims to provide a reaction rate is high, and the pollutant removal rate is high, to the little electrolytic device of electrocatalysis that difficult degradation's organic waste water treatment effect is good to the problem that proposes in the realization background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

an electrocatalysis micro-electrolysis device comprises a direct current power supply, a reaction body, and a partition plate, a filling frame, an electrode plate, a water inlet pipe, an aeration pipe and a water outlet groove which are respectively positioned in the reaction body, wherein the number of the partition plate is two, two side edges of each partition plate are fixedly arranged on the side wall in the reaction body, an accommodating space with the lower end communicated with the inside of the reaction body is formed in the reaction body, the filling frame is arranged in the accommodating space, iron-carbon filling materials are filled in the filling frame, two electrode plates are respectively arranged between the accommodating space and the reaction body and are respectively and electrically connected with the positive electrode and the negative electrode of the direct current power supply,

the water inlet pipe is communicated with the bottom end in the reaction body, the aeration pipe is arranged below the filling frame, and the water outlet groove is arranged at the upper part in the accommodating space and is positioned above the filling frame.

Furthermore, the water distributor is also included and is positioned between the filler frame and the aeration pipe, and the water inlet pipe is communicated with the water distributor.

Furthermore, the water inlet pipe extends into the reaction body from the upper end of the reaction body, and the water inlet pipe penetrates through the filler frame and is communicated with the water distribution pipe.

Furthermore, an inclined plate is fixedly arranged at the bottom end in the reaction body.

Furthermore, the two groups of filling racks are arranged in the accommodating space in an up-and-down sequence.

Further, the electrode plate is a ferroelectric electrode plate.

Further, the bottom end of the reaction body is provided with an evacuation port.

Further, the side wall of the reaction body is provided with a manhole which is convenient for maintenance in the reaction body and replacement of the filler on the filler frame.

Further, a pH meter is arranged at the water outlet groove.

Has the advantages that: 1. after the iron-carbon filler is filled on the filler frame, micro-electrolysis reaction is carried out in the wastewater, so that macromolecular organic matters are subjected to chain scission degradation, the biodegradability of the wastewater is improved, iron ions in a solution after the reaction have good electric flocculation activity, the aeration pipe is arranged below the filler frame, so that water flow automatically impacts the iron-carbon filler from bottom to top, the solid matters accumulated on the surface of the iron-carbon filler are flushed away by the water flow to a certain degree, the hardening of the iron-carbon filler is avoided, the iron-carbon filler can be fully subjected to contact reaction with the wastewater, and the reaction rate is improved; on the other hand, when the aeration pipe works, the concentration of dissolved oxygen in water is increased, which is beneficial to the generation of free radicals and the generation of oxidation-reduction reaction, and the removal rate of pollutants in the wastewater is increased; by turning on the direct-current power supply and applying an electric field to the iron-carbon micro-electrolysis reaction through the electrode plate, the electrolysis reaction is strengthened, the treatment time is shortened, and the reaction rate is improved compared with the prior art; the electrified direct current causes the wastewater to generate electrolytic reaction, hydrogen and oxygen are respectively separated out on the cathode and the anode, and the generated gas appears in the form of tiny bubbles with extremely high dispersion degree and is adhered to various pollutants in the wastewater to float to the water surface to be removed, so that the removal rate of the pollutants in the wastewater is improved, and compared with the prior art, the treatment effect on the organic wastewater difficult to degrade is better; 2. the plate electrode adopts the iron electric polar plate, after leading to with direct current, the positive pole loses the electron back, forms metal iron ion, and generate metal hydroxide colloid flocculating agent with OH in the solution, but most particulate matter in the adsorption waste water has improved the clearance of pollutant in the waste water.

Drawings

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

fig. 2 is a top view of the overall structure of the present invention.

The reference signs are:

a direct current power supply 1, a reaction body 2, a partition plate 3, a filler frame 4, iron-carbon filler 41, an electrode plate 5,

a water inlet pipe 61, a water distribution pipe 62, an aeration pipe 63,

a water outlet groove (7) is arranged on the upper part of the water tank,

the accommodating space 81, the first space 82, the second space 83,

sloping plate 91, evacuation mouth 92, manhole 93.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an electrocatalytic micro-electrolysis device comprises a dc power supply 1, a reaction body 2, a partition plate 3 respectively located inside the reaction body 2, a packing frame 4, two electrode plates 5, a water inlet pipe 61, a water distribution pipe 62, an aeration pipe 63 and a water outlet tank 7, wherein the two partition plates 3 are arranged in parallel, two side edges of each partition plate 3 are fixedly arranged on the side wall inside the reaction body 2, an accommodating space 81 with the lower end communicated with the inside of the reaction body 2 is formed inside the reaction body 2, the packing frame 4 has two groups, which are arranged in the accommodating space 81 in the up-down order, the bottom end of the packing frame 4 is of a mesh structure, the packing frame 4 is filled with iron-carbon packing 41, the two electrode plates 5 are respectively arranged between the accommodating space 81 and the reaction body 2 and are respectively electrically connected with the anode and the cathode of the dc power supply 1, the two electrode plates 5 are respectively disposed between the accommodating space 81 and the reaction body 2, and have the following specific structure: referring to fig. 1 again, a first space 82 is formed between the left side surface of the accommodating space 81 and the inner wall of the reaction body 2, a second space 83 is formed between the right side surface of the accommodating space 81 and the inner wall of the reaction body 2, and the two electrode plates 5 are respectively disposed in the first space 82 and the second space 83.

The electrode plate 5 used in this embodiment is a ferroelectric plate, and two ferroelectric plates are arranged in parallel to each other, and with the ferroelectric plate as the anode, after the direct current is applied, the anode loses electrons to form metal iron ions, which generate a metal hydroxide colloid flocculant with OH-in the solution, so that most of particles in the wastewater can be adsorbed, and the removal rate of pollutants in the wastewater is improved.

The aeration pipe 63 is arranged below the filler frame 4, the water distribution pipe 62 is positioned between the filler frame 4 and the aeration pipe 63, the water inlet pipe 61 extends into the reaction body 2 from the upper end of the reaction body 2, the water inlet pipe 61 penetrates through the filler frame 4 and is communicated with the water distribution pipe 62, wastewater enters the water distribution pipe 62 from the water inlet pipe 61 and enters the reaction body 2 through the water distribution pipe 62, the aeration pipe 63 drives water flow to impact the iron-carbon filler 41 upwards, so that the wastewater is in full contact with the iron-carbon filler 41, and the reaction efficiency is improved; the water outlet groove 7 is arranged at the upper part in the accommodating space 81 and is positioned above the filling frame 4, wastewater which is fully reacted with the iron-carbon filling 41 is discharged to the next treatment unit through the water outlet groove 7, a pH meter is arranged at the position of the water outlet groove 7, an operator can know the pH value of the wastewater in the reaction body 2 at any time, and the pH value of the wastewater is adjusted according to corresponding requirements.

The bottom end in the reaction body 2 is fixedly provided with an inclined plate 91 to prevent solid substances from forming a dead zone at the bottom end of the reactor, the bottom end of the reaction body 2 is provided with a drain port 92, and solid particles deposited at the bottom of the reaction body 2 can be discharged through the drain port 92; the side wall of the reaction body 2 is provided with a manhole 93 which is convenient for overhauling the inside of the reaction body 2 and replacing the iron carbon filler 41 on the filler frame 4, when the internal equipment of the reaction body 2 needs to be overhauled or the iron carbon filler 41 on the filler frame 4 needs to be replaced, the wastewater in the reaction body 2 can be emptied through the emptying port 92, and then corresponding operation is carried out through the manhole 93.

The working principle is as follows: the wastewater enters the water distribution pipe 62 from the water inlet pipe 61 and enters the reaction body 2 through the water distribution pipe 62, the aeration pipe 63 drives the water flow to impact the iron-carbon filler 41 upwards, so that the wastewater is in full contact with the iron-carbon filler 41 and is subjected to micro-electrolysis reaction, macromolecular organic matters are subjected to chain scission degradation, and the biodegradability of the wastewater is improved; the direct current power supply 1 is started, and an electric field is applied to the iron-carbon micro-electrolysis reaction through the electrode plate 5, so that the electrolysis reaction is strengthened, and the treatment time is shortened; the electrified direct current leads the wastewater to carry out electrolytic reaction, hydrogen and oxygen are respectively separated out on the cathode and the anode of the electrode plate 5, the generated gas appears in the form of tiny bubbles with extremely high dispersion degree, and the generated gas is adhered to various pollutants in the wastewater and floats to the water surface to be removed, so that the removal rate of the pollutants in the wastewater is improved; the iron electrode plate is electrified with direct current, the anode loses electrons to form metal iron ions, and the metal iron ions and OH-in the solution generate metal hydroxide colloid flocculant to absorb most particles in the wastewater, so that the removal rate of pollutants in the wastewater is improved, and the wastewater after reaction is discharged to the next treatment unit through the water outlet tank 7.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrocatalytic microelectrolytic device characterized by: the device comprises a direct current power supply (1), a reaction body (2), and a partition plate (3), a packing frame (4), an electrode plate (5), a water inlet pipe (61), an aeration pipe (63) and a water outlet groove (7) which are respectively positioned in the reaction body (2), wherein two partition plates (3) are provided, two side edges of each partition plate (3) are fixedly arranged on the side wall in the reaction body (2), an accommodating space (81) with the lower end communicated with the inside of the reaction body (2) is formed in the reaction body (2), the packing frame (4) is arranged in the accommodating space (81), the packing frame (4) is filled with an iron-carbon packing (41), two electrode plates (5) are respectively arranged between the accommodating space (81) and the reaction body (2) and are respectively and are electrically connected with the positive pole and the negative pole of the direct current power supply (1),

the water inlet pipe (61) is communicated with the bottom end in the reaction body (2), the aeration pipe (63) is arranged below the filling frame (4), and the water outlet groove (7) is arranged at the upper part in the accommodating space (81) and is positioned above the filling frame (4).

2. An electrocatalytic microelectrolytic device according to claim 1, wherein: the water distributor is characterized by further comprising a water distribution pipe (62), wherein the water distribution pipe (62) is located between the filler frame (4) and the aeration pipe (63), and the water inlet pipe (61) is communicated with the water distribution pipe (62).

3. An electrocatalytic microelectrolytic device according to claim 2, wherein: the water inlet pipe (61) extends into the reaction body (2) from the upper end of the reaction body (2), and the water inlet pipe (61) penetrates through the packing frame (4) and is communicated with the water distribution pipe (62).

4. An electrocatalytic microelectrolytic device according to claim 1, wherein: an inclined plate (91) is fixedly arranged at the bottom end in the reaction body (2).

5. An electrocatalytic microelectrolytic device according to claim 1, wherein: two groups of the filling frames (4) are arranged in the accommodating space (81) in an up-and-down sequence.

6. An electrocatalytic microelectrolytic device according to claim 1, wherein: the electrode plate (5) is a ferroelectric electrode plate.

7. An electrocatalytic microelectrolytic device according to claim 1 or 5, wherein: the bottom end of the reaction body (2) is provided with an evacuation port (92).

8. An electrocatalytic microelectrolytic device according to claim 7, wherein: the side wall of the reaction body (2) is provided with a manhole (93) which is convenient for overhauling the inside of the reaction body (2) and replacing the filler on the filler frame (4).

9. An electrocatalytic microelectrolytic device according to any one of claims 1 to 6, wherein: a pH meter is arranged at the water outlet groove (7).