CN215975097U - Electric flocculation reaction device for landfill leachate treatment - Google Patents
Electric flocculation reaction device for landfill leachate treatment Download PDFInfo
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- CN215975097U CN215975097U CN202122520170.0U CN202122520170U CN215975097U CN 215975097 U CN215975097 U CN 215975097U CN 202122520170 U CN202122520170 U CN 202122520170U CN 215975097 U CN215975097 U CN 215975097U
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Abstract
The utility model discloses an electric flocculation reaction device for treating landfill leachate, which comprises a reaction tank, wherein a water outlet pipe is arranged at the bottom of the reaction tank, a three-dimensional electrode assembly is detachably arranged in the reaction tank, the three-dimensional electrode assembly comprises an insulating cover plate, a water inlet pipe is arranged in the middle of the insulating cover plate, an anode electrode strip and a cathode electrode strip are arranged on the insulating cover plate, and the lower ends of the anode electrode strip and the cathode electrode strip extend into the reaction tank; a plurality of hollow particle electrode carriers are detachably fixed between the anode electrode strips and the cathode electrode strips, particle electrodes are filled in the particle electrode carriers, one end of part of the particle electrode carriers is electrically connected with the anode electrode strips, the other end of the part of the particle electrode carriers is in insulated connection with the cathode electrode strips, one end of the rest of the particle electrode carriers is electrically connected with the cathode electrode strips, and the other end of the rest of the particle electrode carriers is in insulated connection with the anode electrode strips; the particle electrode carrier is densely provided with through-flowing gaps, and the size of the particle electrode is larger than the width of the flowing gaps. The whole electrode assembly is stable in structure, and the wastewater treatment efficiency is higher.
Description
Technical Field
The utility model relates to the technical field of sewage treatment devices, in particular to an electric flocculation reaction device for treating landfill leachate.
Background
The electric flocculation technology is gradually applied to the fields of treatment of various industrial wastewater such as electroplating, chemical industry, printing and dyeing, pharmacy, tanning, papermaking, garbage percolate and the like, water supply purification and the like at home and abroad in recent years, and the electric flocculation treatment of the wastewater has the advantages of no addition of chemical agents, small equipment volume, small occupied area, simple and flexible operation, small sludge amount, simple subsequent treatment and the like; in addition, the electric flocculation can improve the biochemical performance of the wastewater while removing part of COD, and can also be used as a better pretreatment means before a biochemical method. Therefore, the electric flocculation technology has great potential and application prospect in the wastewater treatment technology.
At present, three-dimensional electrodes are mostly used as electrode materials in an electric flocculation reaction device, a three-dimensional electrode reactor is formed by filling a plurality of granular electrode materials in a common two-dimensional electrolytic tank, not only two polar plates of a positive electrode and a negative electrode work under the electrified condition, but also the surfaces of the granular materials are electrified under the action of an electric field to form small polar plates, so that electrochemical reaction also occurs on the surfaces of the granular materials.
However, the existing three-dimensional electrode reactor structure designs have many styles, but there is still room for improvement, for example, in terms of convenience in assembly and disassembly of the electrode assembly and wastewater treatment efficiency, the improvement is needed.
SUMMERY OF THE UTILITY MODEL
In view of the above analysis, the present invention provides an electric flocculation reaction apparatus for landfill leachate treatment to solve the deficiencies of the prior art.
The utility model is mainly realized by the following technical scheme:
the utility model provides an electric flocculation reaction device for landfill leachate treatment, which comprises a reaction tank, wherein the top of the reaction tank is provided with an opening, the bottom of the reaction tank is provided with a water outlet pipe, a three-dimensional electrode assembly is detachably arranged in the reaction tank and comprises an insulating cover plate, the insulating cover plate is matched and covered on the opening of the reaction tank, the middle part of the insulating cover plate is provided with a water inlet pipe communicated with the space in the reaction tank in a penetrating manner, an anode electrode strip and a cathode electrode strip are oppositely arranged on the insulating cover plate in a penetrating manner and positioned at two sides of the water inlet pipe, the upper ends of the anode electrode strip and the cathode electrode strip are respectively and correspondingly connected with an anode and a cathode of an external power supply, and the lower ends of the anode electrode strip and the cathode electrode strip extend into the reaction tank;
a plurality of hollow particle electrode carriers are detachably fixed between the anode electrode strips and the cathode electrode strips, particle electrodes are filled in the particle electrode carriers, one end of part of the particle electrode carriers is electrically connected with the anode electrode strips, the other end of the particle electrode carriers is in insulated connection with the cathode electrode strips, one end of the rest of the particle electrode carriers is electrically connected with the cathode electrode strips, and the other end of the rest of the particle electrode carriers is in insulated connection with the anode electrode strips; and the particle electrode carrier is densely provided with flow gaps which are arranged in a penetrating way, and the size of the particle electrode is larger than the width of the flow gaps.
Furthermore, the particle electrode carrier is in a spiral extending spring shape, and the gap of the spring is an overflowing gap.
Furthermore, two ends of the particle electrode carrier are respectively and detachably provided with an end cover, one side of each end cover, which is far away from the particle electrode carrier, is provided with an insertion block, the end cover and the insertion block at one end of the particle electrode carrier are electric conductors, and the end cover and the insertion block at the other end of the particle electrode carrier are insulators.
Furthermore, a plurality of slots are respectively arranged on the anode electrode strip and the cathode electrode strip at intervals, and the insertion blocks are detachably inserted and fixed on the slots.
Furthermore, two slide rails are oppositely arranged on the inner wall of the reaction tank, and the anode electrode strip and the cathode electrode strip are respectively arranged on the slide rails in a sliding manner.
Furthermore, a plurality of particle electrode carriers are arranged from top to bottom at equal intervals, and the two adjacent particle electrode carriers are electrically connected with different electrode strips.
Furthermore, a reticular clapboard is fixed in the reaction tank and is positioned between the three-dimensional electrode assembly and the water outlet pipe.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
according to the electric flocculation reaction device for treating the landfill leachate, the reaction tank structure of the electric flocculation reaction device is optimized, and the three-dimensional electrode assembly is detachably mounted in the reaction tank and is convenient to disassemble and replace; the anode electrode strips and the cathode electrode strips in the three-dimensional electrode assembly are connected by a plurality of particle electrode carriers, the whole electrode assembly is stable in structure and can bear liquid impact for a long time, and the particle electrodes are filled in the particle electrode carriers and uniformly distributed in the reaction tank, so that the wastewater treatment capacity can be increased, and the removal rate of wastewater COD (chemical oxygen demand) is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an electric flocculation reaction device for landfill leachate treatment according to an embodiment of the present invention;
FIG. 2 is an exploded view of an electric flocculation apparatus for landfill leachate treatment according to an embodiment of the present invention;
FIG. 3 is a plan view of a reaction tank provided in an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic structural view of a three-dimensional electrode assembly provided in an embodiment of the present invention.
The reference numbers are as follows:
1. the device comprises a reaction tank, 2, a water outlet pipe, 3, an insulating cover plate, 4, a water inlet pipe, 5, an anode electrode strip, 6, a cathode electrode strip, 7, a particle electrode carrier, 8, an overflowing gap, 9, an end cover, 10, an insert block, 11, an insert slot, 12, a slide rail, 13 and a reticular baffle plate.
Detailed Description
In order that those skilled in the art will better understand the utility model and thus more clearly define the scope of the utility model as claimed, it is described in detail below with respect to certain specific embodiments thereof. It should be noted that the following is only a few embodiments of the present invention, and the specific direct description of the related structures is only for the convenience of understanding the present invention, and the specific features do not of course directly limit the scope of the present invention. Such alterations and modifications as are made obvious by those skilled in the art and guided by the teachings herein are intended to be within the scope of the utility model as claimed.
The utility model is further described with reference to the following figures and specific examples.
Example 1
As shown in fig. 1-5, the present invention provides an electrocoagulation reaction apparatus for landfill leachate treatment, comprising a reaction tank 1 with an opening at the top, a water outlet pipe 2 is installed at the bottom of the reaction tank 1, a three-dimensional electrode assembly is detachably installed in the reaction tank 1, the three-dimensional electrode assembly comprises an insulating cover plate 3, the insulating cover plate 3 is matched and covered on the opening of the reaction tank 1, a water inlet pipe 4 communicated with the space in the reaction tank 1 is installed in the middle of the insulating cover plate 3 in a penetrating manner, an anode electrode strip 5 and a cathode electrode strip 6 are oppositely arranged on the insulating cover plate 3 in a penetrating manner and located at two sides of the water inlet pipe 4, the upper ends of the anode electrode strip 5 and the cathode electrode strip 6 are respectively and correspondingly connected with the anode and the cathode of an external power supply, and the lower ends of the anode electrode strip 5 and the cathode electrode strip 6 extend into the reaction tank 1.
A plurality of hollow particle electrode carriers 7 are detachably fixed between the anode electrode strips 5 and the cathode electrode strips 6, particle electrodes are filled in the particle electrode carriers 7, one end of part of the particle electrode carriers 7 is electrically connected with the anode electrode strips 5, while the other end is in insulated connection with the cathode electrode strips 6, one end of the rest of the particle electrode carriers 7 is electrically connected with the cathode electrode strips 6, while the other end is in insulated connection with the anode electrode strips 5; the particle electrode carrier 7 is densely provided with flow gaps 8 which are arranged in a penetrating way, and the size of the particle electrode is larger than the width of the flow gaps 8.
By optimizing the reaction tank structure of the electric flocculation reaction device, the three-dimensional electrode assembly can be detachably installed in the reaction tank 1 and is convenient to disassemble and replace; the anode electrode strips 5 and the cathode electrode strips 6 in the three-dimensional electrode assembly are connected by the particle electrode carriers 7, the whole electrode assembly is stable in structure and can bear liquid impact for a long time, the particle electrodes are filled in the particle electrode carriers and are uniformly distributed in the reaction tank 1, the wastewater treatment capacity can be increased, and the removal rate of wastewater COD is improved.
The particle electrode is composed of modified activated carbon and metal oxide loaded on the modified activated carbon, and has large granularity and more pores. It is easy to know that the three-dimensional electrode reactor should also have components such as power supply, circulating pump, etc., the structure and purification principle of which are well known in the art, and can be described by referring to the principle of publication No. CN101077801B, the main improvement of the present application lies in the reaction tank part, and the rest components are not described in detail.
Preferably, the particle electrode carrier 7 is in the form of a spring extending in a helical line, the spring gap being a flow gap 8.
Particle electrode granularity of the inside filling of particle electrode carrier 7 is big can not deviate from the spring clearance, and the inside loading space of particle electrode carrier 7 of spring form is big, can hold a large amount of particle electrodes, multiplicable waste water treatment capacity, and the spring form clearance is many and the clearance is even simultaneously, and is better with the contact degree of waste water, and the particle electrode can be more abundant adjustment gesture by means of water flow power in the carrier of spring form, and the COD clearance is higher.
Preferably, two ends of the particle electrode carrier 7 are respectively detachably mounted with an end cap 9, one side of the end cap 9 far away from the particle electrode carrier 7 is provided with an insert block 10, the end cap 9 and the insert block 10 at one end of the particle electrode carrier 7 are electric conductors, and the end cap 9 and the insert block 10 at the other end are insulators, so that part of the particle electrode carrier 7 with the particle electrodes therein is ensured to be electrically connected with the anode electrode strip 5 and insulated from the cathode electrode strip 6 all the time, but the mounting stability is not affected.
Specifically, a plurality of slots 11 are respectively arranged on the anode electrode strip 5 and the cathode electrode strip 6 at intervals, the insertion blocks 10 can be detachably inserted and fixed on the slots 11, and after the three-dimensional electrode assembly is drawn out, the particle electrode carrier 7 and the particle electrodes can be efficiently and conveniently detached and replaced.
In this embodiment, the slots 11 are respectively arranged along the length direction of the anode electrode strips 5 and the cathode electrode strips 6.
Preferably, two slide rails 12 are oppositely arranged on the inner wall of the reaction tank 1, and the anode electrode strip 5 and the cathode electrode strip 6 are respectively slidably arranged on the slide rails 12.
Two electrode strips of the three-dimensional electrode assembly are aligned to the slide rail 12 and inserted downwards, so that the three-dimensional electrode assembly is convenient to use and is not easy to shake in the reaction process.
Specifically, the particle electrode carriers 7 are arranged from top to bottom at equal intervals, and two adjacent particle electrode carriers 7 are electrically connected with different electrode strips.
The particle electrode carriers 7 electrically connected with the anode electrode strips 5 and the particle electrode carriers 7 electrically connected with the cathode electrode strips 6 are staggered and arranged at intervals, so that active substances generated on the surfaces of the electrodes can be in full contact with organic matters in wastewater, and the mass transfer efficiency of the electrode is greatly improved.
Preferably, a mesh separator 13 is further fixed in the reaction tank 1, and the mesh separator 13 is positioned between the three-dimensional electrode assembly and the water outlet pipe 2.
The mesh separator 13 can support the bottom of the three-dimensional electrode assembly, and the pore diameter of the mesh separator 13 can be set, so that the particle electrode which is accidentally dropped can be prevented from entering water circulation to a certain extent.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides an electric flocculation reaction unit for landfill leachate handles, is equipped with open-ended reaction tank (1) including the top, outlet pipe (2), its characterized in that are installed to the bottom of reaction tank (1): the three-dimensional electrode assembly is detachably mounted in the reaction tank (1), the three-dimensional electrode assembly comprises an insulating cover plate (3), the insulating cover plate (3) is matched and covered on an opening of the reaction tank (1), the middle part of the insulating cover plate (3) is provided with a water inlet pipe (4) communicated with the space in the reaction tank (1) in a penetrating manner, an anode electrode strip (5) and a cathode electrode strip (6) which are positioned at two sides of the water inlet pipe (4) are oppositely arranged on the insulating cover plate (3) in a penetrating manner, the upper ends of the anode electrode strip (5) and the cathode electrode strip (6) are respectively and correspondingly connected with the anode and the cathode of an external power supply, and the lower ends of the anode electrode strip (5) and the cathode electrode strip (6) extend into the reaction tank (1);
a plurality of hollow particle electrode carriers (7) are detachably fixed between the anode electrode strips (5) and the cathode electrode strips (6), particle electrodes are filled in the particle electrode carriers (7), one end of part of the particle electrode carriers (7) is electrically connected with the anode electrode strips (5) while the other end is in insulated connection with the cathode electrode strips (6), one end of the rest of the particle electrode carriers (7) is electrically connected with the cathode electrode strips (6) while the other end is in insulated connection with the anode electrode strips (5); the particle electrode carrier (7) is densely provided with flow-through gaps (8) which are arranged in a penetrating mode, and the size of the particle electrode is larger than the width of the flow-through gaps (8).
2. The electric flocculation reaction device for landfill leachate treatment of claim 1, wherein: the particle electrode carrier (7) is in a spiral line extending spring shape, and the gap of the spring is an overflowing gap (8).
3. The electric flocculation reaction device for landfill leachate treatment of claim 2, wherein: the particle electrode carrier is characterized in that two ends of the particle electrode carrier (7) are respectively and detachably provided with an end cover (9), one side, far away from the particle electrode carrier (7), of each end cover (9) is provided with an insertion block (10), the end cover (9) and the insertion block (10) at one end of the particle electrode carrier (7) are electric conductors, and the end cover (9) and the insertion block (10) at the other end of the particle electrode carrier are insulators.
4. The electric flocculation reaction device for landfill leachate treatment of claim 3, wherein: a plurality of slots (11) are respectively arranged on the anode electrode strip (5) and the cathode electrode strip (6) at intervals, and the insertion block (10) can be detachably inserted and fixed on the slots (11).
5. The electric flocculation reaction device for landfill leachate treatment of any one of claims 1-4, wherein: two slide rails (12) are oppositely arranged on the inner wall of the reaction tank (1), and the anode electrode strip (5) and the cathode electrode strip (6) are respectively arranged on the slide rails (12) in a sliding manner.
6. The electric flocculation reaction device for landfill leachate treatment of any one of claims 1-3, wherein: the particle electrode carriers (7) are arranged from top to bottom at equal intervals, and the two adjacent particle electrode carriers (7) are electrically connected with different electrode strips.
7. The electric flocculation reaction device for landfill leachate treatment of claim 1, wherein: a reticular clapboard (13) is also fixed in the reaction tank (1), and the reticular clapboard (13) is positioned between the three-dimensional electrode assembly and the water outlet pipe (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122520170.0U CN215975097U (en) | 2021-10-19 | 2021-10-19 | Electric flocculation reaction device for landfill leachate treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122520170.0U CN215975097U (en) | 2021-10-19 | 2021-10-19 | Electric flocculation reaction device for landfill leachate treatment |
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| CN215975097U true CN215975097U (en) | 2022-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583695A (en) * | 2022-10-28 | 2023-01-10 | 北京石油化工学院 | Prevent three-dimensional electric Fenton reactor of short circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583695A (en) * | 2022-10-28 | 2023-01-10 | 北京石油化工学院 | Prevent three-dimensional electric Fenton reactor of short circuit |
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