CN215924462U

CN215924462U - Photocatalytic reaction device

Info

Publication number: CN215924462U
Application number: CN202122384584.5U
Authority: CN
Inventors: 熊庆; 罗明亮
Original assignee: Sichuan University
Current assignee: Sichuan University
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-01
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a photocatalytic reaction device, comprising: the box body comprises an upper box body and a lower box body, a reaction container is arranged in the upper box body and comprises an inner container and an interlayer, an ultraviolet lamp tube and a rotary magneton are arranged in the inner container, the interlayer is connected with a cooling device, when the reaction temperature is not high, air cooling is used for processing, when the reaction temperature is high and can not be met only by simple air cooling, water cooling is selected for processing, an observation window is arranged on the upper box body, and a shading curtain is arranged on the observation window, so that the condition of experiment can be observed conveniently; the utility model carries out integrated management on various data of the reaction, is convenient for carrying out experiments and recording, is simple and efficient to use, can carry out accurate test on various photocatalytic reactions, and is widely suitable for relevant theoretical research and process technology development.

Description

Photocatalytic reaction device

Technical Field

The utility model relates to the technical field of photocatalytic reaction, in particular to a photocatalytic reaction device.

Background

With the advance of the modern process, the protection of the natural environment is also beginning to be emphasized. The topic of water pollution, especially the problem of groundwater pollution, has been raised continuously, the problem of water pollution has already influenced people's life, production and local development, and people have attracted attention to the problem of water use and treatment, especially the problem of treatment and reuse of large amounts of industrial water and domestic water, which is also the focus of sewage treatment, and the problem of treatment of generated sewage is also attracted attention.

The treatment of sewage can be generally classified into physical, chemical and biological methods. The photocatalytic method is a representative method in chemical methods, and is characterized in that: the photocatalyst can generate high-reactivity species represented by hydroxyl free radicals under the condition of illumination, and has the advantages of stable chemical property, low cost, long service life, safety and harmlessness. During theoretical research and technical development on photocatalytic processes, changes are required to several parameters of the reaction. The existing experiment mode adopts a separation assembly, so that the experiment process is complicated, and the condition parameters are controlled roughly. Through cable and pipe connection between the separation assembly, accidents such as outage, weeping, toppling easily appear for experiment work efficiency is low. The utility model mainly carries out photocatalytic treatment on a small amount of sewage, detects a plurality of data of experiments through the device, is convenient to select the best scheme, and simultaneously increases a water-cooling control method.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a photocatalytic reaction device, which achieves the accurate control of experimental conditions through adding various detection devices, is favorable for obtaining the optimal sewage treatment effect, and is highly centralized at the same time, thereby being convenient for use and storage in a laboratory.

The utility model adopts the following technical scheme:

a photocatalytic reaction device comprises a box body, wherein the box body comprises an upper box body and a lower box body, a reaction container is arranged in the upper box body and comprises an inner container and an interlayer, an ultraviolet lamp tube and a rotary magneton are arranged in the inner container, a rubber plug is arranged at the upper port of the reaction container, a pH sensor and an inner container temperature sensor are arranged in the rubber plug, and the interlayer is connected with a cooling device; the sewage enters an inner container of the reaction container and reacts by adding ultraviolet lamp light and a reaction reagent; in order to accelerate the reaction rate, a rotating magneton is used for stirring, and the rotating magneton controls the rotating speed through a magnetic stirrer; then the pH value and the temperature of the reaction are monitored by a pH sensor and a liner temperature sensor; in order to keep the best reaction temperature, the temperature of the inner container is reduced through the interlayer.

Preferably, be equipped with the observation window on the last box, be equipped with the window shade on the observation window, the condition of reaction is conveniently looked over to the observation window, and the window shade is for preventing that the ultraviolet light in the inner bag from revealing.

Preferably, the cooling device comprises a condenser and a water tank; when the temperature in the inner container is not high, water in the water tank enters the inner container to absorb heat, enters the condenser to be cooled, and then returns to the water tank.

Preferably, the cooling device comprises a water tank and a low-temperature cooling liquid circulating pump, the water tank is positioned in the lower tank body, an external water inlet and an external water outlet are arranged on the side, close to the water tank, of the lower tank body, and the external water inlet and the external water outlet are connected with the low-temperature cooling liquid circulating pump; when the temperature in the inner container is higher, and the rapid cooling can not be realized through simple condenser, the water in the water tank can be discharged into the low-temperature cooling liquid circulating pump through the external water outlet, after the rapid cooling is carried out, the water tank is put into through the external water inlet, and the rapid cooling in the water tank is realized.

Preferably, the inner container is provided with a water outlet and a water inlet, and the water outlet and the water inlet are respectively connected with a cleaning outlet and a cleaning inlet of the lower box body; after the experiment is accomplished, in order to conveniently wash the inner container, water can be fed through the washing inlet, enters the water inlet of the inner container, washes the inner container, is discharged from the water outlet, and is finally discharged from the washing outlet, so that the washing purpose is achieved.

Preferably, the water tank is provided with a water filling port and a liquid level meter, so that the water level of the water tank can be conveniently checked when the water tank is filled with water.

Preferably, the side face of the lower box body is provided with an operation display panel, so that the pH value, the temperature of the inner container, the temperature of the interlayer and speed measurement data are uniformly displayed in order to conveniently check detection results of all parts, and meanwhile, a button is arranged to conveniently control a switch and control the rotating speed of the magnetic stirrer, the circulating pump and the ultraviolet lamp tube.

The utility model has the beneficial effects that:

the utility model integrates the required components, increases the detection and recording of more functions, ensures that the photocatalysis experiment of sewage treatment is more accurate through accurate recording, and is beneficial to optimizing the conditions of photocatalysis reaction; the utility model has the advantages of convenient use, high accuracy of detection results, convenient observation of reaction effect and contribution to wide use in laboratories.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is a schematic view of the structure of a reaction vessel according to the present invention;

in the figure:

1-reaction vessel, 2-box, 3-upper box, 4-lower box, 5-ultraviolet lamp, 6-shading curtain, 7-observation window, 8-rotary magneton, 9-water tank, 10-condenser, 11-rubber plug, 12-pH sensor, 13-inner container temperature sensor, 14-inner container, 15-interlayer, 16-liquid level meter, 17-water inlet, 18-cooling device, 19-low-temperature cooling liquid circulating pump, 20-external water inlet, 21-external water outlet, 22-water outlet, 23-water inlet, 24-cleaning inlet, 25-cleaning outlet, 26-operation display panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 5, a photocatalytic reaction device includes a box 2, the box 2 includes an upper box 3 and a lower box 4, a reaction container 1 is provided in the upper box 3, the reaction container 1 includes a liner 14 and an interlayer 15, an ultraviolet lamp tube 5 and a rotary magnet 8 are provided in the liner 14, the rotary magnet 8 controls a rotation speed through a magnetic stirrer at a lower end, a speed sensor is provided on the magnetic stirrer to detect the rotation speed, and the rotation speed is transmitted to a side surface of the lower box 4 and provided with an operation display panel 26.

The upper port of the reaction container 1 is provided with a rubber plug 11, a pH sensor 12 and a liner temperature sensor 13 are arranged in the rubber plug 11, an interlayer temperature sensor is also arranged in the interlayer 15, and detected data are transmitted to the side surface of the lower box body 4 and displayed on an operation display panel 26.

Interlayer 15 connects cooling device 18, and when reaction temperature was not high, cooling device 18 that uses included condenser 10, water tank 9, and output water in the water tank 9 gets into interlayer 15, absorbs the heat, cools down inner bag 14, then gets into condenser 10 and cools down, and water gets back to water tank 9 through the circulating pump.

When reaction temperature is higher, when only simple condenser 10 cooling can not satisfy, cooling device 18 includes water tank 9, cryogenic cooling liquid circulating pump 19, water tank 9 is located box 4 down, and lower box 4 is close to water tank 9 side and is equipped with external water inlet 20, external delivery port 21, cryogenic cooling liquid circulating pump 19 is connected to external water inlet 20 and external delivery port 21, and the water in the water tank enters cryogenic cooling liquid circulating pump 19 through external delivery port 21, carries out rapid cooling back, through external water inlet 21 circulation entering water tank 9 in, and the rapid cooling in the water tank 9 is realized to the water in the neutralization water tank 9.

The water tank 9 is provided with a water filling port 17 and a liquid level meter 16, and when the water tank 9 is filled with water, the water filling amount is convenient to check. Go up and be equipped with observation window 7 on the box 3, be equipped with window shade 6 on the observation window 7, the condition that the experiment was gone on is conveniently observed, prevents ultraviolet lamp light simultaneously and leaks.

Set up the experiment solvent in inner bag 14, press switch on the operation display panel 26, ultraviolet switch, the circulating pump switch, the experiment begins, water in the water tank 9 gets into intermediate layer 15, cool down the experiment, through the temperature to in the inner bag 14, the control of temperature in intermediate layer 15, select suitable cooling device 18, through stirring switch, the rotational speed on the control magnetic stirrers, through speed sensor, show the rotational speed on operation display panel 26, conveniently collect experimental data, select best experimental scheme.

A water outlet 22 and a water inlet 23 are arranged on the inner container 14, and the water inlet 23 and the water outlet 22 are respectively connected with a cleaning inlet 24 and a cleaning outlet 25 of the lower box body 4; after the experiment is finished, in order to clean the inner container 14 conveniently, water can enter through the cleaning inlet 24 and enter the water inlet 23 of the inner container 14 to clean the inner container 14, then is discharged from the water outlet 22, and finally is discharged from the cleaning outlet 25, so that the purpose of flushing is achieved, and the use is convenient.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A photocatalytic reaction apparatus, characterized by comprising: the box body (2), the box body (2) includes box (3) and lower box (4), be equipped with reaction vessel (1) in last box (3), reaction vessel (1) includes inner bag (14) and intermediate layer (15), be equipped with ultraviolet fluorescent tube (5), rotatory magneton (8) in inner bag (14), reaction vessel (1) up end is equipped with plug (11), be equipped with pH sensor (12) and inner bag temperature sensor (13) in plug (11), cooling device (18) are connected to intermediate layer (15).

2. A photocatalytic reaction device as set forth in claim 1 characterized in that the upper box (3) is provided with an observation window (7), and the observation window (7) is provided with a light-shading curtain (6).

3. A photocatalytic reaction device as set forth in claim 2 characterized in that the cooling device (18) comprises a condenser (10), a water tank (9).

4. A photocatalytic reaction device according to claim 2, characterized in that the cooling device (18) comprises a water tank (9) and a low-temperature coolant circulating pump (19), the water tank (9) is located in the lower box body (4), an external water inlet (20) and an external water outlet (21) are arranged on the side of the lower box body (4) close to the water tank (9), and the external water inlet (20) and the external water outlet (21) are connected with the low-temperature coolant circulating pump (19).

5. A photocatalytic reaction device as set forth in claim 2, characterized in that the inner container (14) is provided with a water outlet (22) and a water inlet (23), and the water inlet (23) and the water outlet (22) are respectively connected to a cleaning inlet (24) and a cleaning outlet (25) of the lower box (4).

6. A photocatalytic reaction device as set forth in any one of claims 3 and 4, characterized in that the water tank (9) is provided with a water filling port (17) and a liquid level meter (16).

7. A photocatalytic reaction apparatus as set forth in any one of claims 1, 2, 3, 4, and 5, characterized in that the operation display plate (26) is provided on the side of the lower case (4).