CN212700794U

CN212700794U - Nano TiO2 photocatalysis film carrier screen

Info

Publication number: CN212700794U
Application number: CN202020959303.7U
Authority: CN
Inventors: 郭小兰; 林冠祥; 付兴; 周俊; 罗荣欣
Original assignee: Chongqing Yangzheng Environmental Protection Polytron Technologies Inc
Current assignee: Chongqing Yangzheng Environmental Protection Polytron Technologies Inc
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-16
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a nano TiO2 photocatalytic film carrier filter screen, which comprises a filter frame and a plurality of photocatalytic filter units which are continuously arranged in the filter frame from top to bottom; the photocatalytic filtering unit comprises a filtering net and an ultraviolet LED lamp; the filter screen is fixedly arranged in the filter frame; the side frame of the filter frame is provided with a left through positioning hole and a right through positioning hole below the filter screen, and the ultraviolet LED lamp is detachably and transversely arranged at the bottom of the filter screen through the positioning holes. The device realizes photocatalytic degradation of organic wastewater by the ultraviolet LED lamp when filtering floaters such as water slag, mud blocks and the like, can reduce treatment procedures and treatment equipment types during wastewater treatment, simplifies treatment steps, and reduces the use space and cost of treatment equipment.

Description

Nano TiO2 photocatalysis film carrier screen

Technical Field

The utility model belongs to the technical field of photocatalysis in chemical industry photochemical synthesis, in particular to a nano TiO2 photocatalysis membrane carrier filter screen.

Background

With the strict control of the state on the organic wastewater discharge amount of enterprises, higher requirements are put forward on the treatment technology of the organic wastewater difficult to degrade, and in order to implement the environmental protection law of the people's republic of China and the water pollution prevention law of the people's republic of China, the enterprises hope to adopt the more efficient and rapid treatment technology to treat the organic wastewater difficult to degrade so as to reach the discharge standard, protect the environment and benefit the civilian life. The project is to research and develop a novel high-efficiency nano TiO2 photocatalytic carrier membrane, achieve the purposes of rapid, high-efficiency, energy-saving and environment-friendly treatment of organic wastewater difficult to degrade, and make a contribution to the economic development and environmental management of China.

Ultraviolet light catalysis is a novel purification technology developed in recent years and has wide application prospect. The ultraviolet light catalysis can overcome the defects of high investment and operation cost, easy secondary pollution and the like of the common traditional treatment method, and meanwhile, the liquid phase system has high light energy utilization rate and is suitable for the purification treatment of organic wastewater, and more researchers at home and abroad are dedicated to the research in the aspect. The photocatalytic oxidation method mainly utilizes the photocatalysis of a catalyst TiO2, and TiO2 is a semiconductor material with the advantages of no toxicity, high photocatalytic activity, good stability, strong oxidation capacity, low energy consumption, reusability and the like. Under the irradiation of ultraviolet light, the surface of the TiO2 photocatalyst is excited to generate electron-hole pairs, electrons generate energy band transitions to form photon-generated carriers, active oxygen and free radicals with extremely strong oxidative decomposition effects are induced to be generated, organic matters adsorbed in water on the surface of the photocatalyst are oxidized, and finally CO2 and H2O are generated.

The common organic wastewater filter screen does not have a photocatalytic function, and only can preliminarily filter water slag, mud blocks and the like in organic wastewater, so that the filtering and degradation are carried out for many times, the steps are many and complicated, the required equipment occupies a large space, and the cost is high.

Based on this, the applicant considers designing a nano TiO2 photocatalytic film carrier screen capable of integrating the filtering and degradation functions together.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nanometer TiO2 photocatalysis membrane carrier filter screen, aiming at the defects of the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the nano TiO2 photocatalytic film carrier filter screen comprises a filter frame and a plurality of photocatalytic filter units which are continuously arranged in the filter frame from top to bottom;

the photocatalytic filtering unit comprises a filtering net and an ultraviolet LED lamp; the filter screen is fixedly arranged in the filter frame; the side frame of the filter frame is provided with a left through positioning hole and a right through positioning hole below the filter screen, and the ultraviolet LED lamp is detachably and transversely arranged at the bottom of the filter screen through the positioning holes.

Compared with the prior art, the utility model discloses nanometer TiO2 light catalytic membrane carrier filter screen has the advantage be:

through integrated installation photocatalysis filter unit on filtering the frame, realized when filtering floaters such as grain sediment, mud piece, can also carry out the photocatalysis degradation to organic waste water through ultraviolet LED lamp to processing procedure and treatment facility kind when reducible waste water treatment have simplified the treatment procedure, have reduced treatment facility's usage space and cost simultaneously.

Above-mentioned device of difficult degradation waste water of photocatalytic treatment has simple structure, the advantage of easy to carry out, is fit for installing and using at current waste water treatment plant, and the cost of operation use is lower, can improve and make the benefit that rises.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of a transmission connection structure of the cleaning motor and the lead screw according to the present invention;

fig. 3 is a partially enlarged view of a in fig. 1.

Description of the reference numerals

1 Filter rack

11 positioning hole

21 Filter screen

22 cylindrical lampshade

23 LED lamp tube

221 boss

231 screw thread post

31 driving motor

32 lead screw

33 cleaning motor

331 transmission frame

34 cleaning sponge

332 drive shaft

341 doctor blade

4 control power supply assembly

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the specific implementation: as shown in fig. 1 to 3, the nano TiO2 photocatalytic film carrier screen comprises a filter frame 1 and a plurality of photocatalytic filter units continuously installed in the filter frame 1 from top to bottom; the photocatalytic filtering unit comprises a filter screen 21 and an ultraviolet LED lamp; the filter screen 21 is fixedly arranged in the filter frame 1; the side frame of the filter frame 1 is provided with a left positioning hole 11 and a right positioning hole 11 which are communicated with each other, and the ultraviolet LED lamp is detachably and transversely arranged at the bottom of the filter screen 21 through the positioning holes 11.

through integrated installation photocatalysis filter unit on filtering frame 1, realized when filtering floaters such as grain sediment, mud piece, can also carry out the photocatalysis degradation to organic waste water through ultraviolet LED lamp to processing procedure and treatment facility kind when reducible waste water treatment have simplified the processing step, have reduced treatment facility's usage space and cost simultaneously.

The ultraviolet LED lamp comprises a cylindrical lampshade 22 and an LED lamp tube 23; the cylindrical lamp shade 22 is transversely arranged at the bottom of the filter screen 21 through a positioning hole 11, a boss 221 is arranged at an opening of the cylindrical lamp shade 22, and the boss 221 is connected with the filter frame 1 through a bolt; a lamp source cavity with a right opening is arranged in the cylindrical lamp shade 22, and threads are arranged on the inner wall of the opening end of the lamp source cavity; the right end of the LED lamp tube 23 is connected with a threaded column 231, and the LED lamp tube 23 is detachably mounted in the lamp source cavity through the matching of the threaded column 231 and the threads.

When in implementation, the cylindrical lamp shade 22 is transversely inserted into the filter frame 1 from the positioning hole 11, and then the boss 221 is fixedly connected with the frame of the filter frame 1 through a bolt; when the lamp shade is detached, the bolts on the bosses 221 are detached, and then the cylindrical lamp shade 22 is taken out rightwards along the positioning holes 11.

Therefore, when a certain LED lamp tube 23 breaks down and needs to be maintained, the LED lamp tube can be detached and maintained independently, and the LED lamp tube is convenient to operate, time-saving and labor-saving.

The cylindrical lamp housing 22 is made of a colorless and transparent quartz glass material.

Wherein, the filter screen 21 is made of foam nickel, and the filter screen 21 is coated with a nano titanium dioxide photocatalyst.

The foamed nickel is a porous metal material, can be used as a filtering carrier and a chemical catalyst carrier, can treat magnetic flow conductors of magnetic particles in fluid, and further enhances the filtering effect.

Wherein, also include the cleaning element of the filter screen; the filter screen cleaning unit comprises a transmission motor 31, a lead screw 32, a cleaning motor 33 and a cleaning brush; the bottom of the filter frame 1 is provided with a transmission cavity; the transmission motor 31 is fixedly arranged at the left end of the transmission cavity; the screw rod 32 is arranged in the transmission cavity across the filter screen 21 and is coaxially connected with a rotating shaft of the transmission motor 31; the cleaning motor 33 is fixedly connected with a transmission frame 331, a thread which is in transmission fit with the lead screw 32 is arranged on the transmission frame 331, and the cleaning motor 33 is in transmission connection with the lead screw 32 through the thread on the transmission frame 331; the cleaning brush is coaxially connected with a rotating shaft of the cleaning motor 33 above the cleaning motor 33, and a cleaning surface of the cleaning brush is attached to the filter screen 21.

During the implementation, driving motor 31 drives lead screw 32 and rotates, and lead screw 32 drives cleaning motor 33 through the screw-thread fit with on the driving frame 331 and removes for cleaning motor 33 can be along filtering frame 1 bottom lateral shifting, and cleaning motor 33 drives the cleaning brush and rotates, removes the dregs of water and the earth of filtration and adhesion on the filter screen 21 with this messenger's cleaning brush rotation, reinforcing filter effect.

Therefore, the cleaning degree of the filter screen 21 can be maintained without manually cleaning the filter screen 21 regularly, and time and labor are saved.

Wherein the cleaning brush comprises a cleaning sponge 34; a plurality of cleaning sponges 34 are arranged and are hollow cylindrical; a rotating shaft of the cleaning motor 33 is coaxially connected with a transmission shaft 332 longitudinally striding over the filter screen 21; the cleaning sponges 34 are sleeved on the transmission shaft 332 in a one-to-one correspondence with the filter screens 21.

A filter screen 21 is cleaned with a cleaning sponge 34 alone, so that the cleaning sponge 34 can be detached and replaced alone when damaged or required to be replaced, and replacement is convenient and fast.

Wherein, a scraping blade 341 is longitudinally arranged on the outer circular surface of the cleaning sponge 34.

The scraping blade 341 can enhance the cleaning strength of the cleaning sponge 34 when cleaning the filter screen 21, and can scrape off some stickies which are difficult to remove in normal times.

Wherein, the top of the filter frame 1 is provided with a control power supply assembly 4; the LED lamp tube 23, the transmission motor 31 and the cleaning motor 33 are all electrically connected with the control power supply assembly 4.

The control power supply assembly 4 not only controls the on-off of the LED lamp tube 23, but also performs simple time sequence control on the transmission motor 31 and the cleaning motor 33 through a built-in single chip microcomputer; during cleaning, the transmission motor 31 and the cleaning motor 33 are started simultaneously; aiming at the transmission motor 31, the singlechip gives a forward and reverse rotation instruction with longer interval time, and the cleaning motor 33 can normally reciprocate along the screw rod 32; for cleaning the motor 33, the single chip microcomputer only needs to ensure normal rotation.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the technical scope of the present invention, and the technical scope of the present invention is also considered to fall into the scope of the claims.

Claims

1. Nanometer TiO2 photocatalysis membrane carrier filter screen, its characterized in that: comprises a filter frame and a plurality of photocatalytic filter units which are continuously arranged in the filter frame from top to bottom;

2. The nano TiO2 photocatalytic film carrier screen of claim 1, wherein: the ultraviolet LED lamp comprises a cylindrical lamp shade and an LED lamp tube; the cylindrical lamp shade is transversely arranged at the bottom of the filter screen through a positioning hole, a boss is arranged at the opening of the cylindrical lamp shade, and the boss is connected with the filter frame through a bolt; a lamp source cavity with a right opening is arranged in the cylindrical lamp shade, and threads are arranged on the inner wall of the opening end of the lamp source cavity; the LED lamp tube is characterized in that a threaded column is connected to the right end of the LED lamp tube, and the LED lamp tube is detachably mounted in the lamp source cavity through the matching of the threaded column and the threads.

3. The nano TiO2 photocatalytic film carrier screen of claim 1, wherein: the filter screen is made of foam nickel, and the filter screen is coated with a nano titanium dioxide photocatalyst.

4. The nano TiO2 photocatalytic film carrier screen of claim 2, wherein: the device also comprises a filter screen cleaning unit;

the filter screen cleaning unit comprises a transmission motor, a lead screw, a cleaning motor and a cleaning brush; the bottom of the filter frame is provided with a transmission cavity; the transmission motor is fixedly arranged at the left end of the transmission cavity; the screw rod is arranged in the transmission cavity in a manner of crossing the filter screen and is coaxially connected with a rotating shaft of the transmission motor; the cleaning motor is fixedly connected with a transmission frame, the transmission frame is provided with threads which are in transmission fit with the lead screw, and the cleaning motor is in transmission connection with the lead screw through the threads on the transmission frame; the cleaning brush is coaxially connected with a rotating shaft of the cleaning motor above the cleaning motor, and a cleaning surface of the cleaning brush is attached to the filter screen.

5. The nano TiO2 photocatalytic film carrier screen according to claim 4, wherein: the cleaning brush comprises a cleaning sponge; a plurality of cleaning sponges are arranged and are in hollow cylindrical shapes; a rotating shaft of the cleaning motor is coaxially connected with a transmission shaft longitudinally striding over the filter screen; the cleaning sponge is sleeved on the transmission shaft in a one-to-one correspondence manner with the filter screens.

6. The nano TiO2 photocatalytic film carrier screen according to claim 5, wherein: and a scraping blade is longitudinally arranged on the outer circular surface of the cleaning sponge.

7. The nano TiO2 photocatalytic film carrier screen according to claim 5, wherein: a control power supply assembly is arranged at the top of the filter frame; the LED lamp tube, the transmission motor and the cleaning motor are electrically connected with the control power supply assembly.