Multi-photocatalysis liquid film reactor series connection device

Abstract

The utility model provides a series connection device for multiple photocatalytic liquid film reactors. The multi-photocatalytic liquid film reactor series connection device comprises a peristaltic pump, the liquid outlet end of the peristaltic pump is connected with a plurality of photocatalytic liquid film reactors, the photocatalytic liquid film reactors are sequentially connected in series, and the photocatalytic liquid film reactors are connected with the same cooling water circulating pump; the photocatalytic liquid film reactor comprises a shell, a reaction chamber is arranged in the shell, a photocatalyst film is arranged in the reaction chamber, and quartz glass fixedly mounted on the reaction chamber is arranged above the photocatalyst film. The multi-photocatalysis liquid film reactor series connection device provided by the utility model has the advantages of convenience in use, high space utilization efficiency and convenience in dust cleaning.

Description

Technical Field

[0001] The utility model relates to the technical field of catalytic reaction devices, in particular to a series connection device of multiple photocatalytic liquid film reactors. Background Art

[0002] Photocatalytic reaction is a process that uses light energy to activate a catalyst to cause a chemical reaction, and is widely used in the fields of organic pollutant degradation and water treatment. However, traditional photocatalytic reactors usually have problems such as low light utilization efficiency and difficult catalyst recovery. The liquid film reactor combines membrane separation technology and catalytic reaction technology, which can effectively improve the reaction efficiency. However, in practical applications, due to the limited reaction area of traditional single photocatalytic reactors, the light utilization rate is not high, resulting in low treatment efficiency.

[0003] Therefore, it is necessary to provide a new series connection device of multiple photocatalytic liquid film reactors to solve the above technical problems. Summary of the Utility Model

[0004] The technical problem solved by the utility model is to provide a series connection device of multiple photocatalytic liquid film reactors with a compact structure, reasonable design, capable of increasing the reaction area and improving the light utilization rate, and capable of improving the degradation efficiency of organic pollutants.

[0005] To solve the above technical problems, the series connection device of multiple photocatalytic liquid film reactors provided by the utility model includes: a peristaltic pump, the liquid outlet end of the peristaltic pump is connected with a plurality of photocatalytic liquid film reactors, the plurality of photocatalytic liquid film reactors are connected in series in sequence, and the plurality of photocatalytic liquid film reactors are connected with the same cooling water circulation pump.

[0006] Preferably, the photocatalytic liquid film reactor includes a housing, a reaction chamber is arranged inside the housing, a photocatalyst thin film is arranged inside the reaction chamber, and a quartz glass fixedly installed on the reaction chamber is arranged above the photocatalyst thin film.

[0007] Preferably, two first connectors are fixedly installed on the outer side of the housing, both of the two first connectors are communicated with the reaction chamber, and two adjacent reaction chambers are communicated through the corresponding first connectors, and the liquid outlet end of the peristaltic pump is connected with one of the first connectors.

[0008] Preferably, two second connectors are fixedly installed on the outer side of the housing, two adjacent housings are communicated through the corresponding second connectors, and both ends of the cooling water circulation pump are respectively connected with the corresponding second connectors.

[0009] Preferably, the photocatalyst thin film includes a thin film and a photocatalyst coated on the thin film, and the photocatalyst includes titanium dioxide.

[0010] Preferably, a plurality of the photocatalytic liquid film reactors are connected to each other through a flow pipeline, and a flow regulating valve is arranged in the flow pipeline.

[0011] Preferably, a light source is arranged above the photocatalytic liquid film reactor, and the light source is ultraviolet light or visible light.

[0012] Compared with the related art, the multi-photocatalytic liquid film reactor series connection device provided by the present utility model has the following beneficial effects:

[0013] The present utility model provides a multi-photocatalytic liquid film reactor series connection device, which connects a plurality of photocatalytic liquid film reactors in series. Through distributed light illumination design and optimized configuration of the reactors, the degradation efficiency of organic pollutants can be significantly improved, and it can be better applied to fields such as wastewater treatment and air purification. Description of the Drawings

[0014] Figure 1 is a schematic block diagram of the multi-photocatalytic liquid film reactor series connection device provided by the present utility model;

[0015] Figure 2 is a schematic cross-sectional structure diagram of the photocatalytic liquid film reactor of the multi-photocatalytic liquid film reactor series connection device provided by the present utility model.

[0016] Reference numerals in the drawings: 1, peristaltic pump; 2, photocatalytic liquid film reactor; 21, outer shell; 22, reaction chamber; 23, photocatalyst thin film; 24, quartz glass; 25, first connector; 26, second connector; 3, cooling water circulation pump. Detailed Embodiments

[0017] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0018] Please refer to Figure 1 and Figure 2 , wherein, Figure 1 is a schematic block diagram of the multi-photocatalytic liquid film reactor series connection device provided by the present utility model; Figure 2 is a schematic cross-sectional structure diagram of the photocatalytic liquid film reactor of the multi-photocatalytic liquid film reactor series connection device provided by the present utility model. The multi-photocatalytic liquid film reactor series connection device includes: a peristaltic pump 1, the liquid outlet end of the peristaltic pump 1 is connected with a plurality of photocatalytic liquid film reactors 2, the plurality of photocatalytic liquid film reactors 2 are connected in series in sequence, the liquid inlet end of the peristaltic pump 1 is introduced with a reaction liquid to be treated, the reaction liquid passes through each photocatalytic liquid film reactor 2 in sequence, makes full contact with the photocatalyst on the photocatalyst thin film 23 and undergoes a photocatalytic reaction, and finally flows out of the last photocatalytic liquid film reactor 2 to complete the degradation of pollutants. The plurality of photocatalytic liquid film reactors 2 are connected with the same cooling water circulation pump 3.

[0019] The photocatalytic liquid film reactor 2 includes a housing 21. A reaction chamber 22 is provided inside the housing 21. The reaction chamber 22 is a rectangular or cylindrical cavity. A photocatalyst thin film 23 is provided inside the reaction chamber 22. Above the photocatalyst thin film 23, a quartz glass 24 fixedly installed on the reaction chamber 22 is provided.

[0020] Two first connectors 25 are fixedly installed on the outer side of the housing 21. Both of the two first connectors 25 are communicated with the reaction chamber 22. Between two adjacent reaction chambers 22, they are communicated through the corresponding first connectors 25. The liquid outlet end of the peristaltic pump 1 is connected to one of the first connectors 25. The two first connectors 25 are respectively located above the horizontal plane of the photocatalyst thin film 23 and below the horizontal plane of the photocatalyst thin film 23. Among them, the reaction liquid enters from the first connector 25 above the horizontal plane of the photocatalyst thin film 23, and after being catalytically reacted and filtered by the photocatalytic liquid film reactor 2, it flows out from the first connector 25 below the horizontal plane of the photocatalyst thin film 23.

[0021] Two second connectors 26 are fixedly installed on the outer side of the housing 21. Between two adjacent housings 21, they are communicated through the corresponding second connectors 26. Both ends of the cooling water circulation pump 3 are respectively connected to the corresponding second connectors 26. Cooling water is provided between the housing 21 and the reaction chamber 2. The cooling water circulation pump 3 circulates the cooling water to cool down the reaction chamber 22.

[0022] The photocatalyst thin film 23 includes a thin film and a photocatalyst coated on the thin film. The photocatalyst includes titanium dioxide.

[0023] Multiple photocatalytic liquid film reactors 2 are connected through flow pipes. A flow regulating valve is provided inside the flow pipes to control the flow rate and residence time of the reaction liquid in each photocatalytic liquid film reactor 2. The outlet of each photocatalytic liquid film reactor 2 is connected to the inlet of the next photocatalytic liquid film reactor 2 to ensure that the reaction liquid sequentially passes through all photocatalytic liquid film reactors 2.

[0024] A light source is provided above the photocatalytic liquid film reactor 2. The light source is ultraviolet light or visible light to ensure that the liquid is in full contact with the photocatalyst when flowing through, and at the same time, a suitable light source wavelength is selected according to different photocatalysts. The light source is configured outside the reactor, and through a distributed light illumination design, the light intensity of each reactor is ensured to be uniform.

[0025] Compared with the related art, the multi-photocatalytic liquid film reactor series connection device provided by the present utility model has the following beneficial effects:

[0026] The utility model provides a series connection device of multiple photocatalytic liquid film reactors. By connecting multiple photocatalytic liquid film reactors 2 in series and through distributed light illumination design and optimized reactor configuration, the degradation efficiency of organic pollutants can be significantly improved, and it can be better applied to fields such as wastewater treatment and air purification.

[0027] The above are only the embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent structural or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A multiple photocatalytic liquid membrane reactor series device, characterized in that: include: A peristaltic pump, wherein the liquid outlet end of the peristaltic pump is connected to a plurality of photocatalytic liquid film reactors, the plurality of photocatalytic liquid film reactors are sequentially connected in series, and the plurality of photocatalytic liquid film reactors are connected to the same cooling water circulation pump.

2. The multiple photocatalytic liquid membrane reactor series device according to claim 1, characterized in that: The photocatalytic liquid film reactor comprises a shell, a reaction chamber is arranged in the shell, a photocatalyst film is arranged in the reaction chamber, and a quartz glass fixedly mounted on the reaction chamber is arranged above the photocatalyst film.

3. The multiple photocatalytic liquid membrane reactor series device according to claim 2, characterized in that: Two first connectors are fixedly installed on the outer side of the shell, and both of the two first connectors are connected to the reaction chambers. Two adjacent reaction chambers are connected through the corresponding first connectors, and the liquid outlet of the peristaltic pump is connected to one of the first connectors.

4. The multiple photocatalytic liquid membrane reactor series device according to claim 2, characterized in that: Two second connectors are fixedly installed on the outer side of the shell, two adjacent shells are connected through the corresponding second connectors, and two ends of the cooling water circulation pump are respectively connected to the corresponding second connectors.

5. The multiple photocatalytic liquid membrane reactor series device according to claim 2, characterized in that: The photocatalyst thin film comprises a thin film and a photocatalyst coated on the thin film, and the photocatalyst comprises titanium dioxide.

6. The multiple photocatalytic liquid membrane reactor series device according to claim 1, characterized in that: The plurality of photocatalytic liquid membrane reactors are connected via a flow pipeline, and a flow regulating valve is arranged in the flow pipeline.

7. The multiple photocatalytic liquid membrane reactor series device according to claim 2, characterized in that: A light source is arranged above the photocatalytic liquid membrane reactor, and the light source is ultraviolet light or visible light.

Images