External circulation electrocatalytic oxidation water treatment device

Abstract

The utility model relates to an external circulation electrocatalytic oxidation water treatment device, which comprises a reaction tank, a reaction pole piece and an external circulation cooling assembly, the reaction pole piece is arranged in the reaction tank, the external circulation cooling assembly comprises a cooling tank and a refrigeration piece, the reaction tank is fixedly arranged in the cooling tank, and the refrigeration piece is arranged in the cooling tank. An interlayer is formed between the reaction tank and the cooling tank, a medium for exchanging heat with the interior of the reaction tank is contained in the interlayer, and the refrigerating part is mounted at the bottom of the cooling tank and is used for cooling the medium in the interlayer; water to be treated is guided into a reaction tank, a reaction pole piece is electrified to realize electrocatalytic oxidation treatment on the water in the reaction tank, and meanwhile, a refrigeration piece is started, a medium in an interlayer is cooled, and the medium in the interlayer exchanges heat with the water in the reaction tank, so that the temperature in the reaction tank is controlled, the service life of an electrode and the service life of a reactor are prolonged, and the service life of the reactor is prolonged. And water evaporation in the reaction tank is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field especially relates to a kind of external circulation electrocatalytic oxidation water treatment device. BACKGROUND

[0002] As a kind of emerging advanced oxidation technology, electrocatalytic oxidation technology has the characteristics of high removal rate of organic pollutants, high mineralization rate, high-salt wastewater resistance, etc. Because it does not need to add other chemical reagents, the electrolysis process is clean, so it meets the standard of "green discharge".

[0003] For example, the utility model patent with application No. CN202323414235.9 proposes a wastewater electrocatalytic oxidation device with adjusting function. By starting the servo motor, the output end of the servo motor drives the threaded rod to rotate, so that the sliding sleeve moves the electrode body through the action of the threads, avoiding the need to replace different electrocatalytic oxidation devices when treating different water quality.

[0004] However, the temperature of electrocatalytic oxidation reaction is high, and the electrode and reactor are easily corroded and have short service life at high temperature. In addition, the reaction process needs to be heated continuously, and the water evaporates seriously, resulting in waste of water resources. UTILITY MODEL CONTENT

[0005] Therefore, it is necessary to provide an external circulation electrocatalytic oxidation water treatment device to solve the problem of high temperature of electrocatalytic oxidation reaction, easy corrosion and short service life of electrode and reactor at high temperature, and continuous heating in the reaction process, which leads to serious water evaporation and waste of water resources.

[0006] The utility model provides an external circulation electrocatalytic oxidation water treatment device, which comprises a reaction tank, a reaction electrode and an external circulation cooling assembly. The reaction electrode is installed in the reaction tank. The external circulation cooling assembly comprises a cooling tank and a refrigeration unit. The reaction tank is fixedly arranged in the cooling tank. A gap is formed between the reaction tank and the cooling tank. The gap contains a medium for heat exchange with the inside of the reaction tank. The refrigeration unit is installed at the bottom of the cooling tank to cool the medium in the gap.

[0007] Further, the refrigeration unit comprises a refrigeration unit fixedly arranged at the bottom of the cooling tank, a first connecting pipe and a second connecting pipe. One end of the first connecting pipe extends to the top of one side of the cooling tank and is connected to the gap. The other end of the first connecting pipe is connected to the water outlet of the refrigeration unit. One end of the second connecting pipe extends to the bottom of one side of the cooling tank and is connected to the gap. The other end of the second connecting pipe is connected to the water inlet of the refrigeration unit.

[0008] Further, the inner wall of both sides of the reaction tank is provided with a plurality of clamping grooves arranged along the length direction of the reaction tank, and the reaction electrode plate is clamped with at least two clamping grooves.

[0009] Further, the reaction electrode plate comprises a plurality of anode plates and a plurality of cathode plates, and the plurality of anode plates and the plurality of cathode plates are arranged staggeredly along the length direction of the reaction tank.

[0010] Further, the plurality of anode plates are clamped with the plurality of clamping grooves on one side of the reaction tank, the plurality of cathode plates are clamped with the plurality of clamping grooves on the other side of the reaction tank, and the plurality of anode plates and the plurality of cathode plates separate the inner part of the reaction tank into a serpentine flow channel.

[0011] Further, the reaction tank has a water inlet end and a water outlet end, and the line between the water inlet end and the water outlet end passes through the serpentine flow channel.

[0012] Further, the reaction tank further comprises a water inlet pipe and a water outlet pipe, one end of the water inlet pipe is used for connecting with a water source to be treated, the other end of the water inlet pipe extends to the top of the reaction tank, and the water outlet pipe is connected with the bottom of the reaction tank.

[0013] Further, the plurality of clamping grooves on the same side are arranged at equal intervals along the length direction of the reaction tank.

[0014] Further, the water treatment device further comprises an annular plate, and the top of the reaction tank and the top of the cooling tank are fixedly connected via the annular plate and seal the top of the interlayer.

[0015] Further, the water treatment device further comprises a plurality of connecting blocks, and the bottom of the reaction tank is fixedly connected with the inner bottom wall of the cooling tank via the plurality of connecting blocks.

[0016] Compared with the prior art, by introducing the water to be treated into the reaction tank and electrifying the reaction electrode plate, the electro-catalytic oxidation treatment of the water in the reaction tank is realized, at the same time, the refrigeration component is started to cool the medium in the interlayer, the medium in the interlayer exchanges heat with the water in the reaction tank, so as to control the temperature in the reaction tank, prolong the service life of the electrode and the reactor, and reduce the evaporation of the water in the reaction tank. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The overall structure schematic view of the external circulation electro-catalytic oxidation water treatment device is provided for the embodiments of the utility model;

[0018] Figure 2 The structure schematic view of the external circulation cooling assembly in the external circulation electro-catalytic oxidation water treatment device is provided for the embodiments of the utility model;

[0019] Figure 3 The utility model provides an outer circulation electric catalytic oxidation water treatment device multiple anode sheet and multiple cathode sheet's arrangement schematic diagram for the embodiment of the utility model. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model will be described below in detail in conjunction with the drawings, wherein the drawings constitute a part of the present application, and are used together with the embodiments of the utility model to explain the principles of the utility model, and are not used to limit the scope of the utility model.

[0021] As Figure 1 The utility model provides an outer circulation electric catalytic oxidation water treatment device, including reaction pool 100, reaction pole piece 200 and outer circulation cooling assembly 300, reaction pole piece 200 is installed in reaction pool 100, and outer circulation cooling assembly 300 includes cooling pool 310 and refrigerating spare, and reaction pool 100 is fixedly arranged in cooling pool 310, and the interlayer is formed between reaction pool 100 and cooling pool 310, and the interlayer is filled with medium for heat exchange with the inside of reaction pool 100, and the refrigerating spare is installed at the bottom of cooling pool 310 and is used to cool the medium in the interlayer.

[0022] When implementing, the water to be treated is introduced into the reaction pool 100, and the reaction pole piece 200 is powered on to realize the electric catalytic oxidation treatment of the water in the reaction pool 100, at the same time, the refrigerating spare is started to cool the medium in the interlayer, and the medium in the interlayer exchanges heat with the water in the reaction pool 100 to control the temperature in the reaction pool 100, prolong the life of the electrode and the reactor, and reduce the evaporation of the water in the reaction pool 100.

[0023] The reaction pool 100 in the embodiment provides space for sewage treatment, and the electric catalytic oxidation reaction is realized by powering on the reaction pole piece 200 to degrade and remove the pollutants such as organic matter in the water.

[0024] As Figure 2 The refrigerating spare in the embodiment includes the refrigerating ware 320 fixedly arranged at the bottom of cooling pool 310, the first connecting pipe 330 and the second connecting pipe 340, one end of the first connecting pipe 330 extends to the top of one side of cooling pool 310 and is connected with the interlayer, the other end of the first connecting pipe 330 is connected with the water outlet of the refrigerating ware 320, one end of the second connecting pipe 340 extends to the bottom of one side of cooling pool 310 and is connected with the interlayer, and the other end of the second connecting pipe 340 is connected with the water inlet of the refrigerating ware 320.

[0025] It can be understood that the refrigerating ware 320 is the structure for cooling the water body that the person skilled in the art can think of, and further includes the water pump installed on the first connecting pipe 330 to realize the circulation flow of water between the interlayer and the refrigerating spare.

[0026] In one embodiment, the inner wall of the reaction tank 100 is provided with a plurality of clamping grooves 110 arranged along the length direction of the reaction tank 100, and the reaction electrode sheet 200 is clamped with at least two clamping grooves 110.

[0027] As shown in the drawings, in the embodiment, the reaction electrode sheet 200 includes a plurality of anode sheets 210 and a plurality of cathode sheets 220, and the plurality of anode sheets 210 and the plurality of cathode sheets 220 are arranged alternately along the length direction of the reaction tank 100. Figure 3

[0028] It can be understood that the electrode sheet is connected with the clamping grooves 110 at different positions, so as to adjust the distance between the adjacent two electrode sheets, and at the same time, the number of the electrode sheets is also controlled.

[0029] In order to prolong the time of the water flowing through the reaction tank 100, in one embodiment, the plurality of anode sheets 210 are clamped with the plurality of clamping grooves 110 on one side of the reaction tank 100, the plurality of cathode sheets 220 are clamped with the plurality of clamping grooves 110 on the other side of the reaction tank 100, and the plurality of anode sheets 210 and the plurality of cathode sheets 220 separate the inner part of the reaction tank 100 into a serpentine flow channel.

[0030] In the embodiment, the reaction tank 100 has a water inlet end and a water outlet end, and a line between the water inlet end and the water outlet end passes through the serpentine flow channel. Specifically, the reaction tank 100 further includes a water inlet pipe and a water outlet pipe, one end of the water inlet pipe is used to communicate with the water source to be treated, the other end of the water inlet pipe extends to the top of the reaction tank 100, and the water outlet pipe is connected with the bottom of the reaction tank 100.

[0031] It can be understood that through the position control of the anode sheet 210 and the cathode sheet 220, the water flowing through the reaction tank 100 flows along the serpentine flow channel, so as to prolong the reaction time, and at the same time, the water also has the function of flushing the foreign matters on the electrode sheet.

[0032] In one embodiment, the plurality of clamping grooves 110 on the same side are arranged at equal intervals along the length direction of the reaction tank 100.

[0033] In the embodiment, the water treatment device further includes an annular plate, and the top of the reaction tank 100 and the top of the cooling tank 310 are fixedly connected through the annular plate, and the top of the interlayer is closed.

[0034] In the embodiment, the water treatment device further includes a plurality of connecting blocks, and the bottom of the reaction tank 100 is fixedly connected with the inner bottom wall of the cooling tank 310 through the plurality of connecting blocks.

[0035] ​Compared with the prior art, the water to be treated is introduced into the reaction tank 100, and the reaction electrode 200 is electrified to realize the electro-catalytic oxidation treatment of the water in the reaction tank 100, meanwhile, the refrigeration part is started to cool the medium in the interlayer, the medium in the interlayer exchanges heat with the water in the reaction tank 100 to control the temperature in the reaction tank 100, prolong the service life of the electrode and the reactor, and reduce the water evaporation in the reaction tank 100.

[0036] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An external loop electro-catalytic oxidation water treatment apparatus, characterized by, The utility model relates to a water treatment device, which comprises: a reaction tank; a reaction electrode installed in the reaction tank; an external circulation cooling assembly comprising a cooling tank and a refrigeration device, the reaction tank being fixedly arranged in the cooling tank, a gap being formed between the reaction tank and the cooling tank, the gap being filled with a medium for heat exchange with the inside of the reaction tank, and the refrigeration device being installed at the bottom of the cooling tank to cool the medium in the gap.

2. The external circulation electro-catalytic oxidation water treatment device according to claim 1, characterized in that, The refrigeration device comprises a refrigeration device fixedly arranged at the bottom of the cooling tank, a first connecting pipe and a second connecting pipe, one end of the first connecting pipe extending to the top of one side of the cooling tank and being in communication with the gap, the other end of the first connecting pipe being in communication with the water outlet of the refrigeration device, one end of the second connecting pipe extending to the bottom of one side of the cooling tank and being in communication with the gap, and the other end of the second connecting pipe being in communication with the water inlet of the refrigeration device.

3. The external circulation electro-catalytic oxidation water treatment device according to claim 1, characterized in that, A plurality of clamping grooves are arranged along the length direction of the inner wall of the reaction tank, and the reaction electrode is clamped with at least two clamping grooves.

4. The external circulation electro-catalytic oxidation water treatment device according to claim 3, characterized in that, The reaction electrode comprises a plurality of anode pieces and a plurality of cathode pieces, and the plurality of anode pieces and the plurality of cathode pieces are arranged alternately along the length direction of the reaction tank.

5. The external circulation electro-catalytic oxidation water treatment device according to claim 4, characterized in that, The plurality of anode pieces are clamped with the plurality of clamping grooves on one side of the reaction tank, the plurality of cathode pieces are clamped with the plurality of clamping grooves on the other side of the reaction tank, and the plurality of anode pieces and the plurality of cathode pieces divide the inside of the reaction tank into a serpentine flow channel.

6. The external circulation electro-catalytic oxidation water treatment device according to claim 5, characterized in that, The reaction tank has a water inlet end and a water outlet end, and a line between the water inlet end and the water outlet end passes through the serpentine flow channel.

7. The external circulation electro-catalytic oxidation water treatment device according to claim 6, characterized in that, The reaction tank further comprises a water inlet pipe and a water outlet pipe, one end of the water inlet pipe being used for connecting a water source to be treated, the other end of the water inlet pipe extending to the top of the reaction tank, and the water outlet pipe being in communication with the bottom of the reaction tank.

8. The external circulation electro-catalytic oxidation water treatment device according to claim 3, characterized in that, The plurality of clamping grooves on the same side are arranged at equal intervals along the length direction of the reaction tank.

9. The external circulation electro-catalytic oxidation water treatment device according to claim 1, characterized in that, The water treatment device further comprises an annular plate, the top of the reaction tank and the top of the cooling tank being fixedly connected via the annular plate and sealing the top of the gap.

10. The external circulation electro-catalytic oxidation water treatment device according to claim 9, characterized in that, The water treatment device further comprises a plurality of connecting blocks, the bottom of the reaction tank being fixedly connected with the inner bottom wall of the cooling tank via the plurality of connecting blocks.

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