CN211445135U

CN211445135U - Electric field and photocatalytic oxidation reaction processing device

Info

Publication number: CN211445135U
Application number: CN201920981589.6U
Authority: CN
Inventors: 包禾欣; 韦君杭
Original assignee: Zhejiang Sen Jing Science And Technology Co ltd
Current assignee: Zhejiang Senjing Biotechnology Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-09-08
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to an electric field is photocatalytic oxidation reaction processing apparatus in coordination. The device at least comprises a group of device body, wherein a plurality of rows of double-wavelength ultraviolet lamps are arranged in the device body, a plurality of anode plates and a plurality of cathode plates are arranged on two sides of each ultraviolet lamp to form a multi-channel electric field, quartz sleeves are arranged outside the double-wavelength ultraviolet lamps, the quartz sleeves are communicated with an air source to blow air, the anode plates adopt three-dimensional foam nickel plates loaded with photocatalysts, cathodes are foam nickel plates with the same area, anodes and cathodes are electrically connected with a direct-current power supply, and the direct-current power supply adopts a pulse power supply. The utility model has the advantages of reasonable design, the installation is used and is maintained conveniently, can heavily divide the characteristics of performance electric field in coordination with the photocatalytic oxidation reaction, can use with other effluent treatment plant in a supporting way, satisfies the processing demand of different waste water quality.

Description

Electric field and photocatalytic oxidation reaction processing device

Technical Field

The utility model relates to a effluent treatment plant, specific theory relates to an electric field is photocatalytic oxidation reaction processing apparatus in coordination.

Background

Photocatalytic oxidation is an advanced oxidation technology developed in recent years, and because photocatalytic oxidation has extremely strong oxidation capacity and no selectivity, almost all organic matters can be oxidized, especially organic matters which can mineralize and degrade microorganisms and cannot be degraded, the application of photocatalytic oxidation in the field of environmental protection is increasingly emphasized by people.

However, the key problem to be solved by applying the photocatalytic oxidation technical function is the quantum conversion rate, and as the photo-generated electrons and the photo-generated holes can be annihilated after being rapidly compounded on the surface of the catalyst, and the compounding rate is far greater than the generation rate thereof, about one order of magnitude, the quantum conversion rate of the photocatalytic oxidation is very low, and the energy consumption of the application is very high. This is also a bottleneck that hinders the popularization of the photocatalytic oxidation technology.

The applicant adopts the technology of electric field cooperating with photocatalytic oxidation reaction, namely, a metal plate covered with a photocatalyst is taken as an anode, and a cathode is arranged. A certain bias voltage is applied to the anode to separate electrons from holes under the action of a high potential, thereby improving the quantum conversion rate. The utility model aims at providing an electric field is photocatalytic oxidation reaction processing apparatus in coordination based on aforementioned theory imagine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the not enough of prior art, provide a photodissociation is device of electrochemical reaction processing waste water in coordination.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a be based on electric field is photocatalytic oxidation reaction processing apparatus in coordination, the device includes a set of device body at least, this internal multirow dual wavelength ultraviolet lamp that is equipped with of device, a plurality of anode plates and a plurality of negative plate constitution multichannel electric field are installed to the ultraviolet lamp both sides, the dual wavelength ultraviolet lamp is equipped with quartz sleeve outward, quartz sleeve and air source intercommunication are in order to blast the air, the anode plate adopts the three-dimensional foam nickel board that has the photocatalyst of load, the negative pole is the foam nickel board of same area, positive pole and negative pole are connected with DC power supply electricity, DC power supply adopts pulse power supply.

Preferably, the device is formed by connecting at least two groups of device bodies in parallel.

Preferably, the areas of the anode and cathode plates are determined according to the volume of the device body.

Preferably, the anode potential is adjusted according to a required current density between the anode and cathode plates, and the anode and cathode plate spacing is adjusted according to the conductivity.

Preferably, the anode and cathode polar plates are arranged on two sides of the dual-wavelength ultraviolet lamp in a staggered mode.

Preferably, the photocatalyst and the three-dimensional foam nickel plate are supported in a coating or soaking and drying fixing mode.

More preferably, the photocatalyst and the three-dimensional foam nickel plate are loaded in a drying and fixing mode after coating, and the coating amount is 0.2-0.3 g/square centimeter.

More preferably, the photocatalyst and the three-dimensional foam nickel plate are loaded in a manner of drying and fixing after soaking, and the soaking time is 20-30 s.

The utility model has the advantages that: the utility model has the advantages of reasonable design, the installation is used and is maintained conveniently, can heavily divide the characteristics of performance electric field in coordination with the photocatalytic oxidation reaction, can use with other effluent treatment plant in a supporting way, satisfies the processing demand of different waste water quality.

Drawings

Fig. 1 is a schematic view of the usage state of the present invention.

In the figure: 1. the device comprises a device body, 2, an ultraviolet lamp, 3, an anode, 4, a cathode, 5, a gas discharge channel, 6, a multiphase flow dissolved air pump, 7, an ozone generator, 8 and a liquid discharge channel.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.

Example (b):

as shown in figure 1 based on electric field is photocatalytic oxidation reaction processing apparatus in coordination, the device includes a set of device body 1 at least, be equipped with multirow dual wavelength ultraviolet lamp 2 in the

device body

1, 2 both sides of ultraviolet lamp are installed a plurality of positive pole 3 boards and a plurality of negative pole 4 boards and are constituted multichannel electric field, 2 outsides of dual wavelength ultraviolet lamp are equipped with quartz sleeve, quartz sleeve is in order to drum air with the air source intercommunication, positive pole 3 boards adopt the three-dimensional foam nickel board that has the photocatalyst of load, negative pole 4 is the foam nickel board of the same area, positive pole 3 and negative pole 4 are connected with DC power supply electricity, DC power supply adopts pulse power supply.

Specifically, the device is formed by connecting at least two groups of device bodies 1 in parallel.

Further, the areas of the anode and cathode plates are determined according to the volume of the apparatus body 1.

The utility model discloses in, the 3 potentiometers of positive pole are according to the current density adjustment of requirement between 4 polar plates of positive and negative pole, and positive and negative pole polar plate interval is according to the conductivity adjustment.

Additionally, the utility model discloses in order to realize the effect best, positive, negative pole polar plate are in the dislocation set of 2 both sides of dual wavelength ultraviolet lamp.

Specifically, the photocatalyst and the three-dimensional foam nickel plate are loaded in a coating or drying and fixing mode after soaking.

Specifically, the photocatalyst and the three-dimensional foam nickel plate are supported by coating and then drying, and the coating amount is 0.2-0.3 g/cm.

The process for loading the catalyst and the three-dimensional foam nickel plate comprises the following steps:

s1: fully coating the three-dimensional foam nickel plate with a water-based adhesive, taking out the three-dimensional foam nickel plate, and naturally drying the three-dimensional foam nickel plate in a dust-free environment;

s2: s1, coating the photocatalyst on the air-dried three-dimensional foam nickel plate;

s3: after the coating process is finished, drying for 1-1.5h in a medium-temperature drying oven at the temperature of 250-600 ℃;

s4, repeating the steps S2 and S30-N times, wherein N is a natural number more than or equal to 1. The conditions of the dust-free environment in step S1 are: the environmental temperature is less than or equal to 22 ℃, and the environmental humidity is less than or equal to RH 55%.

As shown in figure 1, the utility model discloses during the use, the ozone that waste water and ozone generator 7 produced gets into in the device body 1 through heterogeneous flow dissolved air pump 6 and communicating pipe, takes place to react based on the electric field in coordination with the photocatalytic oxidation, and the back is accomplished in the reaction, and gaseous gets rid of through gas discharge passage 7, and liquid gets rid of through liquid discharge passage 8.

The above-described embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. Such as: the photocatalyst and the three-dimensional foam nickel plate are loaded in a manner of drying and fixing after soaking, and the soaking time is 20-30 s.

Claims

1. The device is characterized by at least comprising a group of device bodies, wherein a plurality of rows of double-wavelength ultraviolet lamps are arranged in the device bodies, a plurality of anode plates and a plurality of cathode plates are arranged on two sides of each ultraviolet lamp to form a multi-channel electric field, quartz sleeves are arranged outside the double-wavelength ultraviolet lamps and communicated with an air source to blow air, the anode plates adopt three-dimensional foam nickel plates loaded with photocatalysts, the cathodes are nickel plates with the same area, the anodes and the cathodes are electrically connected with a direct-current power supply, and the direct-current power supply adopts a pulse power supply.

2. The device for treating by cooperation of electric field and photocatalytic oxidation reaction as recited in claim 1, wherein said device is composed of at least two sets of device bodies connected in parallel.

3. The apparatus for treating by electric field in cooperation with photocatalytic oxidation reaction according to claim 1, wherein the areas of the anode plate and the cathode plate are determined according to the volume of the apparatus body.

4. The apparatus for treating by electric field in cooperation with photocatalytic oxidation reaction according to claim 1, wherein the anode potential is adjusted according to a required current density between the anode and cathode plates, and the distance between the anode and cathode plates is adjusted according to the electric conductivity.

5. The device for treating photocatalytic oxidation reaction in cooperation with electric field of claim 1, wherein the anode and cathode plates are disposed at two sides of the dual wavelength ultraviolet lamp in a staggered manner.

6. The device for treating the reaction by the cooperation of the electric field and the photocatalytic oxidation according to claim 1, wherein the photocatalyst and the three-dimensional foamed nickel plate are supported by coating or by drying and fixing after soaking.