CN218709465U - Electrocatalytic oxidation sewage treatment equipment - Google Patents

Abstract

The utility model belongs to sewage treatment equipment, and discloses electrocatalytic oxidation sewage treatment equipment which is used for pretreating high-salinity wastewater and comprises a tank body, and a plurality of anode plates and cathode plates which are arranged in the tank body at intervals, wherein the anode plates and the cathode plates are connected with an external power supply through cables; insulating edge strips are respectively arranged on a group of edges of the tank body, which are perpendicular to the anode plate, and a plurality of insulating shaft seats are arranged on the insulating edge strips; the anode plate is placed in the tank body and is limited by a limiting structure in the tank body to keep a vertical state, two sides of the edge of the anode plate at the opening position of the tank body are respectively provided with an outwardly extending shaft part, and the anode plate is clamped on insulating shaft seats at corresponding positions at two sides through the shaft parts to realize fixation; any side shaft part penetrates out of the insulating shaft seat, a conductive contact is arranged at the end part of the shaft part, and the detachable anode electrode cap arranged on the conductive contact is connected with a cable to conduct electricity.

Description

Electrocatalytic oxidation sewage treatment equipment

Technical Field

The utility model belongs to the technical field of sewage treatment device, concretely relates to electrocatalytic oxidation sewage treatment device.

Background

The electrocatalytic oxidation technology is to directly degrade organic pollutants through electrode reaction under the action of an external electric field, or to generate a large amount of free radicals with strong oxidizing property to degrade the organic pollutants by utilizing the catalytic activity of an electrode or a catalytic material. The electrocatalytic oxidation technology has the advantages of outstanding oxidation capability, low requirement on reaction conditions, difficulty in causing secondary pollution and the like, and is considered to be the method with the most application prospect.

The electrocatalytic oxidation equipment is called electrocatalytic oxidation device, electrocatalytic oxidation reactor and the like, and is equipment of advanced electrochemical process for sewage treatment. The electrocatalytic oxidation equipment is a high-efficiency practical treatment equipment developed aiming at the problems of high-concentration refractory wastewater and biochemical substandard wastewater at present, and is mainly used for the treatment of high-concentration, high-salt and high-COD wastewater and the advanced treatment of biochemical wastewater. The equipment generates electrochemical reaction between the composite polar plate and the waste water in the reactor by means of an external power supply. The main functional module in the electrocatalytic oxidation device is an anode structure, the anode structure mostly uses titanium as a base material, and a precious metal coating is arranged on the surface of the anode structure to serve as a catalytic layer. The device introduces the treated sewage or liquid into an electrolytic bath under the action of an external electric field, and under the action of current, active groups such as hydroxyl free radicals (OH) and the like are generated on the surface of an electrode material to oxidize organic matters in the water body and oxidize and decompose the organic matters into CO ₂ 、H ₂ O, small molecular organic matters and the like can reduce COD, ammonia nitrogen and chromaticity in water, improve biodegradability and the like.

The electrocatalytic oxidation device mainly performs reaction through the action of an anode material, and the anode material which takes titanium metal as a base material is usually consumed after being used for a certain time, so that not only can a surface coating fall off, but also the structure of the electrocatalytic oxidation device has influence. Meanwhile, after long-time use, when the mesh or three-dimensional anode structure is adopted, more impurities are attached to the surface, and the electrocatalytic oxidation efficiency of the anode structure is also influenced. Therefore, in order to solve the above problems, the anode material needs to be treated periodically to ensure the use effect. The mode that sets up positive pole and negative pole is set up to the multiply wood interval more to adopt among the prior art, and passes through screw rod fixed connection with positive pole, the negative pole panel that the polylith interval set up, when leading to it to change or handle, need take out monoblock anode plate, negative plate, has increased the maintenance degree of difficulty.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides an electrocatalytic oxidation sewage treatment device, through the optimization to the electrode structure, can conveniently dismantle alone to the later stage of being convenient for is to the maintenance of monolithic anode plate.

The utility model discloses the technical scheme who adopts does:

in combination with the first aspect, the utility model provides an electrocatalytic oxidation sewage treatment device, which is used for pretreating high-salinity wastewater and comprises a tank body, and a plurality of anode plates and cathode plates which are arranged in the tank body at intervals, wherein the anode plates and the cathode plates are connected with an external power supply through cables;

insulating edge strips are respectively arranged on a group of edges of the tank body, which are perpendicular to the anode plate, and a plurality of insulating shaft seats are arranged on the insulating edge strips;

the anode plate is placed in the tank body and is limited by a limiting structure in the tank body to keep a vertical state, two sides of the edge of the anode plate at the opening position of the tank body are respectively provided with an outwardly extending shaft part, and the anode plate is clamped on insulating shaft seats at corresponding positions at two sides through the shaft parts to realize fixation;

any side shaft part penetrates out of the insulating shaft seat, a conductive contact is arranged at the end part of the shaft part, and the detachable anode electrode cap arranged on the conductive contact is connected with a cable to conduct electricity.

In combination with the first aspect, the present invention provides a first embodiment of the first aspect, wherein the cathode plate is fixed in the cell body, and the end portions extending outward are respectively disposed on both sides of the edge of the opening of the cell body, and the end portions pass through the insulating edge strips and are connected to the cathode caps on the end portions.

Combine the first embodiment of first aspect, the utility model provides a second kind of embodiment of first aspect, insulating strake still has a wire casing outside the cell body, and the cable setting of connecting anode plate and negative plate is in the wire casing.

In combination with the second embodiment of the first aspect, the present invention provides a third embodiment of the first aspect, wherein the anode electrode cap and the cathode electrode cap are connected to the cable through the cap wire.

In combination with the second embodiment of the first aspect, the present invention provides a fourth embodiment of the first aspect, wherein the cable comprises an anode wire connecting the anode plates and a cathode wire connecting the cathode plates.

Combine the second kind of embodiment of first aspect, the utility model provides a fifth kind of embodiment of first aspect, the insulating axle bed passes through the bolt fastening on insulating strake, has two risers on insulating axle bed, and every riser has the arc wall with the axial region joint that the anode plate extends.

Combine the second kind of embodiment of first aspect, the utility model provides a sixth kind of embodiment of first aspect, limit structure is the spacing groove that insulating strake was equipped with in the inboard of cell body.

With reference to the sixth implementation manner of the first aspect, the present invention provides a seventh implementation manner of the first aspect, wherein the anode plate has a gate frame, and a catalytic titanium plate is disposed in the gate frame.

With reference to the first aspect or several implementation manners of the first aspect, the present invention provides an eighth implementation manner of the first aspect, wherein the tank body is an above-ground structure made of an independent glass fiber reinforced plastic material.

Combine first aspect or a plurality of kinds of implementation modes of first aspect, the utility model provides a ninth kind of implementation mode of first aspect, the negative plate is the plate body that stainless steel material made, is equipped with the fixture block of card owner negative plate bottom the cell body.

The beneficial effects of the utility model are that:

the anode plate in the tank body is detachably connected with the tank body through the insulating shaft seat, so that the anode plate can be supported and fixed, and meanwhile, the anode plate can be clamped on the insulating shaft seat at the corresponding position according to requirements during installation, and the position of the anode plate can be adjusted according to the size and the area of the tank body;

meanwhile, the wire grooves are formed in the outer sides of the anode plates, and the conductive contacts and the anode cap structures are arranged on one side of the top edge of each anode plate, so that each anode plate and the cable can be separated independently, the connection stability of each anode plate is kept in a working state, and when one anode plate needs to be maintained, the corresponding anode cap can be directly taken down and then taken out, the influence on other electrode materials in the whole cell body is avoided, and the normal operation in the cell body can be kept;

simultaneously, to fixed negative plate, the same adoption is dismantled parallelly connected mode and cable and is connected, because this anode plate has great height, it is less with adjacent negative plate interval, breaks away from adjacent negative plate and cable when dismantling and is connected, then can guarantee when taking out the anode plate even the anode plate touches the negative plate and also can not have higher potential difference because just disconnected and produce instantaneous current and cause the influence.

Drawings

FIG. 1 is a side view of the whole of a treatment facility using an independent tank in the embodiment of the present invention;

FIG. 2 is an overall front view of a treatment apparatus employing an independent tank body according to an embodiment of the present invention;

FIG. 3 is a top view of the whole treatment apparatus using an independent tank according to an embodiment of the present invention;

FIG. 4 is an overall perspective view of a treatment apparatus employing an independent tank in an embodiment of the present invention;

fig. 5 is an enlarged partial schematic view of a in fig. 4 according to the present invention;

fig. 6 is a schematic enlarged view of part B of fig. 4 according to the present invention.

In the figure: 1-cell body, 2-insulating edge strip, 3-wire groove, 4-insulating shaft seat, 5-anode plate, 6-anode electrode cap, 7-cathode electrode cap, 8-cathode plate, 9-catalytic titanium plate, 10-limiting groove, 11-cathode wire, 12-anode wire and 13-electrode cap wire.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or positional relationship based on that shown in the drawings or that the product of the application is used as it is, this is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the embodiment discloses an electrocatalytic oxidation sewage treatment device for carrying out pretreatment on high-salinity wastewater, mainly carrying out continuous conduction through an electrode material inserted into a tank body 1 to ensure that ions in the tank body 1 are continuously reduced, and reducing COD (chemical oxygen demand) in sewage, thereby replacing the problem of secondary pollution caused by using a medicament for treatment.

Specifically, the treatment equipment comprises a tank body 1 and a plurality of anode plates 5 and cathode plates 8 which are arranged in the tank body 1 at intervals, wherein the anode plates 5 and the cathode plates 8 are connected with an external power supply through cables; insulating edgings 2 are respectively arranged on a group of edges of the tank body 1, which are perpendicular to the anode plate 5, and a plurality of insulating shaft seats 4 are arranged on the insulating edgings 2; the anode plate 5 is placed in the tank body 1 and is limited by a limiting structure in the tank body 1 to keep a vertical state, two sides of the edge of the opening position of the tank body 1 are respectively provided with a shaft part extending outwards, and the shaft parts are clamped on the insulating shaft seats 4 at the corresponding positions of the two sides to realize fixation; any side shaft part penetrates out of the insulating shaft seat 4 and is provided with a conductive contact at the end part, and the conductive contact is provided with a detachable anode electrode cap 6 to be connected with a cable for conduction.

Further, as shown in fig. 1-4, the tank body 1 is a box-type structure independently arranged on the ground, and is made of insulating material itself, or is a metal frame and a plate material itself as a base layer, and the outer layer is coated or directly covered with the insulating material to prevent the tank body from directly contacting with other structures, and the metal part of the tank body only provides structural support.

Cell body 1 in this embodiment is alone as the independent cell body 1 structure of electrocatalytic oxidation, and inside separates for a plurality of cavities through the electrode board, all has an anode plate 5 and two negative plates 8 in every cavity, but adjacent cavity sharing a negative plate 8, can guarantee that every cavity all has the surface of two negative plates 8 and the surface and the sewage contact of two anode plates 5.

The cell body 1 is a rectangular cell body 1 structure, the upper part is open, and two long edges of the opening edge are respectively provided with an insulation edge strip 2 with equal length. This insulating strake 2 adopts ceramic material or other insulating materials to make, and its cross-section is U type structure, and its width equals the wall thickness of cell body 1 for the lateral wall tip of cell body 1 can imbed its inslot and form fixedly, simultaneously through bolt or other structures with its and cell body 1 fixed connection.

The negative plate 8 is a fixed structure, generally is a stainless steel plate, and is fixed inside the tank body 1 through welding or bolts, and as the material does not react and does not contain a catalyst, the material made of corrosion-resistant stainless steel can be used for a long time without being taken out separately for maintenance.

The anode plate 5 structure comprises a door-shaped frame and a hollowed catalytic titanium plate 9 arranged in the door-shaped frame, the door-shaped frame can be made of insulating materials, and the end part of the door-shaped frame is provided with a conductive contact which is in conductive connection with the catalytic titanium plate 9. The door-shaped frame in the embodiment is also made of stainless steel materials, and can provide better structural stability and corrosion resistance. And the catalysis titanium plate 9 is a reticular hollow structure with a large surface area, and sewage can flow through the catalysis titanium plate 9 and continuously react in a conductive state.

Furthermore, the top of the door-shaped frame is provided with a fixed shaft which is integrally formed with the door-shaped frame and has two end parts which are respectively fixed on the insulating edge strips 2 through insulating shaft seats 4 arranged on two sides.

In fig. 6, the conductive contact part on the top side of the anode plate 5 is shown, and it can be seen that the insulating shaft seat 4 is provided with a through hole, and can be fixed on the insulating edge strip 2 through a bolt, and the insulating shaft seat 4 is provided with two vertical plates, and each vertical plate is provided with an arc-shaped groove clamped with the shaft part extended from the anode plate 5.

The fixed shaft on the top of the anode plate 5 is provided with a shaft part with a reduced section radius at one side in the figure, and the width of the shaft part is slightly larger than the arc groove distance of the two vertical plates of the insulating shaft seat 4, so that the shaft part can be just clamped at the insulating shaft seat 4 to prevent the shaft part from deviating along the axial direction. The conductive contact sleeve in the figure is provided with an anode cap 6, the anode cap 6 is connected with the conductive contact at the end part of the shaft part by clamping and the like, and the external spherical part is made of insulating material and can be peeled off from the conductive contact by hand. The cathode caps 7 of the cathode plate 8 have the same structure and connection means and are lower in height than the anode caps 6.

An electric cap lead 13 is arranged on each of the anode electric cap 6 and the cathode electric cap 7, the insulating edge strip 2 is also provided with a wire slot 3 outside the tank body 1, and a cable for connecting the anode plate 5 and the cathode plate 8 is arranged in the wire slot 3. The cable is arranged in the wire slot 3, and the electric cap wire 13 can rotate relatively to the electric cap structure and is connected with an independent wire led out from the cable to realize parallel connection. When the anode plate 5 needs to be disassembled, an operator can directly take down the anode electric cap 6 and the adjacent cathode electric cap 7, and then the power can be cut off.

The cable in the embodiment comprises an anode wire 12 connected with the anode plate 5 and a cathode wire 11 connected with the cathode plate 8, and the anode wire and the cathode wire are respectively wrapped by independent insulating covers to form an independent cable to be placed in the wire slot 3.

As can be seen in fig. 5, the cathode plate 8 is fixed in the cell body 1 and likewise has outwardly extending end sections on both sides of the edge of the open position of the cell body 1, which end sections penetrate the insulating edge strips 2 and are connected to cathode electrode caps 7 at their penetrating end sections. The negative plate 8 is a plate body made of stainless steel, and the bottom of the tank body 1 is provided with a clamping block for clamping the main negative plate 8.

Further, the limiting structure is a limiting groove 10 arranged on the inner side of the tank body 1 of the insulating edge strip 2, and as can be seen in fig. 5, the limiting groove 10 is formed by two insulating plate pieces extending outwards from the inner side of the insulating edge strip 2, so that the door-shaped frame of the anode plate 5 can be limited from shaking, and the vertical state in the tank body 1 can be kept as far as possible.

The present invention is not limited to the above-mentioned alternative embodiments, and various other products can be obtained by anyone under the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined by the appended claims, which are to be interpreted as illustrative of the scope of the invention.

Claims (10)

1. The utility model provides an electric catalytic oxidation sewage treatment device for carry out preliminary treatment to high salt waste water, its characterized in that: the device comprises a tank body (1) and a plurality of anode plates (5) and cathode plates (8) which are arranged in the tank body (1) at intervals, wherein the anode plates (5) and the cathode plates (8) are connected with an external power supply through cables;

insulating edgings (2) are respectively arranged on a group of edges of the tank body (1) which are vertical to the anode plate (5), and a plurality of insulating shaft seats (4) are arranged on the insulating edgings (2);

the anode plate (5) is placed in the tank body (1) and is limited by a limiting structure in the tank body (1) to keep a vertical state, two sides of the edge of the opening position of the tank body (1) are respectively provided with an outwardly extending shaft part, and the shaft parts are clamped on insulating shaft seats (4) at corresponding positions of the two sides to realize fixation;

any side shaft part penetrates out of the insulating shaft seat (4) and is provided with a conductive contact at the end part, and the conductive contact is provided with a detachable anode electrode cap (6) to be connected with a cable for conduction.

2. An electrocatalytic oxidation wastewater treatment plant according to claim 1, characterized in that: the negative plate (8) is fixed in the tank body (1), the two sides of the edge of the opening of the tank body (1) are respectively provided with an end part extending outwards, and the end parts penetrate through the insulating edge strips (2) and are connected with a negative electrode cap (7) on the penetrating end parts.

3. An electrocatalytic oxidation wastewater treatment plant according to claim 2, characterized in that: the insulating edge strip (2) is also provided with a wire groove (3) outside the tank body (1), and a cable for connecting the anode plate (5) and the cathode plate (8) is arranged in the wire groove (3).

4. An electrocatalytic oxidation wastewater treatment plant according to claim 3, characterized in that: the anode electric cap (6) and the cathode electric cap (7) are connected with a cable through an electric cap lead (13).

5. An electrocatalytic oxidation wastewater treatment plant according to claim 3, characterized in that: the cable comprises anode wires (12) connecting the anode plates (5) and cathode wires (11) connecting the cathode plates (8).

6. An electrocatalytic oxidation wastewater treatment plant according to claim 3, characterized in that: the insulating shaft seat (4) is fixed on the insulating edge strip (2) through a bolt, two vertical plates are arranged on the insulating shaft seat (4), and each vertical plate is provided with an arc-shaped groove clamped with a shaft part extended from the anode plate (5).

7. An electrocatalytic oxidation wastewater treatment plant according to claim 3, characterized in that: the limiting structure is a limiting groove (10) which is formed in the inner side of the pool body (1) by the insulating edge strips (2).

8. An electrocatalytic oxidation wastewater treatment plant according to claim 7, characterized in that: the anode plate (5) is provided with a door-shaped frame, and a catalytic titanium plate (9) is arranged in the door-shaped frame.

9. An electrocatalytic oxidation wastewater treatment plant according to any one of claims 1 to 8, wherein: the tank body (1) is of an overground structure made of independent glass fiber reinforced plastic materials.

10. An electrocatalytic oxidation wastewater treatment plant according to any one of claims 1 to 8, wherein: the negative plate (8) is a plate body made of stainless steel, and a clamping block for clamping the main negative plate (8) is arranged at the bottom of the tank body (1).

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