Photocatalytic membrane separation and degradation experimental device

Abstract

The utility model discloses a photocatalytic membrane separation and degradation experiment device, and belongs to the field of photocatalytic membrane separation.The photocatalytic membrane separation and degradation experiment device comprises a bottom plate, a supporting rod is fixedly connected to the upper portion of the bottom plate, a treatment assembly is arranged above the supporting rod and comprises a degradation tank, and a valve is fixedly connected to the left side of the degradation tank; the lower part of the degradation tank is fixedly connected with a diaphragm capsule, the diaphragm capsule is fixedly connected with the upper end of the supporting rod, the upper part of the degradation tank penetrates through and is fixedly connected with a xenon lamp tube, the upper part of the degradation tank is fixedly connected with a feed port, the lower part of the diaphragm capsule is fixedly connected with a discharge pipe, and the right side of the discharge pipe is fixedly connected with a discharge valve. According to the device, the treatment assembly is arranged to perform photocatalytic membrane separation treatment on the wastewater, the treatment assembly can be used for conveniently adding a photocatalyst to form hydroxyl radicals in the degradation tank, and the effect of conveniently degrading the wastewater is achieved.

Description

Technical Field

[0001] This application relates to the field of photocatalytic membrane separation, and more specifically, to a photocatalytic membrane separation degradation experimental device. Background Technology

[0002] The principle of photocatalytic membrane separation degradation mainly includes two processes: photocatalysis and membrane separation. The photocatalytic process involves a photocatalyst absorbing light energy, which excites and generates electrons and holes, producing highly oxidizing hydroxyl radicals, thereby degrading pollutants in the water. The membrane separation process utilizes the selective permeability of the membrane to separate pollutants from the water.

[0003] Patent document CN111423038B discloses an integrated photocatalytic membrane separation and coupling wastewater treatment device. This device, comprising a storage tank, a water pump, an integrated coupling device, an outlet tank, an air compressor, a solenoid valve, a flow meter, a pressure gauge, and connecting pipelines, relates to a wastewater treatment system. This invention utilizes filter membranes with different fluxes to construct an integrated photocatalytic-multi-stage membrane coupling separation device. The device is equipped with a light source, microfiltration membrane baffles, ultrafiltration membrane baffles, nanofiltration membrane baffles, and separators. The aforementioned application uses the light source component and various filter membrane baffles within the integrated coupling device for photocatalysis and membrane separation of wastewater. However, the filter membrane baffles divide the integrated coupling device into four positions. When adding a photocatalyst, it is necessary to place the photocatalyst in each of these four spaces and ensure the generation of hydroxyl radicals in each space, making the operation cumbersome and inconvenient for adding the photocatalyst. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a photocatalytic membrane separation and degradation experimental device, solving the problems mentioned in the background section. To achieve the above objectives, this invention employs the following technical solution: A photocatalytic membrane separation and degradation experimental device includes a base plate, a support rod fixedly connected above the base plate, a processing component positioned above the support rod, the processing component including a degradation tank, a valve fixedly connected to the left side of the degradation tank, a membrane box fixedly connected below the degradation tank, the membrane box being fixedly connected to the upper end of the support rod, a xenon lamp tube penetrating and fixedly connected above the degradation tank, a feed inlet fixedly connected above the degradation tank, a discharge pipe fixedly connected below the membrane box, and a discharge valve fixedly connected to the right side of the discharge pipe.

[0005] Preferably, the processing component further includes a sampling port, which is fixedly connected to the top of the discharge pipe.

[0006] Preferably, a raw material tank is fixedly connected above the base plate, and a water pump is fixedly installed on the right side of the raw material tank. The water pump is connected to the valve by a pipeline.

[0007] Preferably, an air intake assembly is provided above the base plate, the air intake assembly includes a compressor, the compressor is fixedly connected to the top of the base plate, a first solenoid valve is fixedly connected to the right side of the compressor, and a transfer assembly is provided to the right side of the first solenoid valve.

[0008] Preferably, the transfer component includes an air buffer tank, which is fixedly connected to the top of the base plate, fixedly connected to the right side of the first solenoid valve, and has an air vent fixedly connected to the front of the air buffer tank.

[0009] Preferably, the transfer component further includes a second solenoid valve, which is fixedly connected to the front of the degradation tank and connected by a pipeline to the air buffer tank.

[0010] The advantages of this application are:

[0011] (1) This application uses a treatment component to treat wastewater by photocatalytic membrane separation. The treatment component can easily add a photocatalyst to form hydroxyl radicals in the degradation tank, which facilitates the degradation of wastewater.

[0012] (2) This application introduces outside air into the degradation tank by setting up an air intake component, thereby aerating the photocatalyst in the degradation tank, promoting the dynamic balance between the solution and the atmosphere, increasing the oxygen concentration at the reaction interface, and thus improving the photocatalytic efficiency. Attached Figure Description

[0013] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a top view of the overall structure of this utility model;

[0016] Figure 3 This is a right view of the overall structure of this utility model;

[0017] Figure 4 This is the utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.

[0018] In the above image,

[0019] 1. Base plate; 2. Support rod; 3. Processing assembly; 301. Degradation tank; 302. Valve; 303. Membrane box; 304. Xenon lamp tube; 305. Feed inlet; 306. Discharge pipe; 307. Discharge valve; 308. Sampling port; 4. Raw material tank; 5. Water pump; 6. Air intake assembly; 601. Compressor; 602. First solenoid valve; 7. Transfer assembly; 701. Air buffer tank; 702. Vent port; 703. Second solenoid valve. Detailed Implementation

[0020] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort should fall within the scope of protection of the present application.

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments. Example

[0022] See Figure 1-Figure 4 This embodiment provides a photocatalytic membrane separation degradation experimental device, including a base plate 1, with four support rods 2 fixedly connected above the base plate 1. A processing component 3 is arranged above the support rods 2, including a degradation tank 301. A valve 302 is fixedly connected to the left side of the degradation tank 301. A membrane box 303 is fixedly connected below the degradation tank 301 and communicates with the inner surface of the degradation tank 301. A filter membrane is arranged inside the membrane box 303. The membrane box 303 is fixedly connected to the upper end of the support rods 2. A xenon lamp tube 304 is fixedly connected through and above the degradation tank 301. The lamp holder of the xenon lamp tube 304 is connected through to the upper part of the degradation tank 301. The lamp body is fixedly connected inside the degradation tank 301. An inlet 305 is fixedly connected above the degradation tank 301, and a threaded cap is provided on the inlet 305. An outlet pipe 306 is fixedly connected below the membrane box 303. The outlet pipe 306 is L-shaped. An outlet valve 307 is fixedly connected to the right side of the outlet pipe 306. The processing component 3 also includes a sampling port 308, which is provided with a threaded cap. The sampling port 308 is fixedly connected to the top of the outlet pipe 306. A raw material tank 4 is fixedly connected above the base plate 1. A water pump 5 is fixedly installed on the right side of the raw material tank 4. The water pump 5 is connected to the valve 302 by a pipeline. The water pump 5 and the valve 302 are connected by a pipeline.

[0023] In practical use, the above equipment first puts the wastewater into the raw material tank 4 and samples it for testing. Then, a photocatalyst is added into the degradation tank 301 through the feed inlet 305, and the xenon lamp tube 304 is turned on to irradiate the photocatalyst, thereby forming hydroxyl radicals with strong oxidizing properties. At this time, the valve 302 is opened and the water pump 5 is started. The water pump 5 draws the wastewater from the raw material tank 4 into the degradation tank 301. The wastewater will be degraded by the hydroxyl radicals and then separated through the filter membrane in the membrane box 303. Finally, it flows into the discharge pipe 306. At this time, the sampling port 308 is opened to sample and test the wastewater, and the treated wastewater is discharged by opening the discharge valve 307, thereby completing the wastewater treatment. Example

[0024] See Figure 1-Figure 4 Based on Embodiment 1, an air intake assembly 6 is provided above the base plate 1. The air intake assembly 6 includes a compressor 601, which is used to compress and deliver external air (existing technology). The compressor 601 is fixedly connected to the top of the base plate 1. A first solenoid valve 602 is fixedly connected to the right side of the compressor 601. The compressor 601 can deliver air into the first solenoid valve 602. A transfer assembly 7 is provided to the right side of the first solenoid valve 602. The transfer assembly 7 includes an air buffer tank 701, which is fixedly connected to the top of the base plate 1. The air buffer tank 701 is connected to the first solenoid valve 602. The right side of the solenoid valve 602 is fixedly connected. The compressor 601 can deliver air into the air buffer tank 701 through the first solenoid valve 602. The air buffer tank 701 has a vent 702 fixedly connected to the front. The vent 702 is provided with a threaded cap. The transfer assembly 7 also includes a second solenoid valve 703. The second solenoid valve 703 is fixedly connected to the front of the degradation tank 301. The second solenoid valve 703 communicates with the inner surface of the degradation tank 301. The second solenoid valve 703 is connected to the air buffer tank 701 by a pipeline. The second solenoid valve 703 and the air buffer tank 701 are connected by a pipeline.

[0025] In practical use, after the photocatalyst is placed into the degradation tank 301, the compressor 601 is started and the first solenoid valve 602 and the second solenoid valve 703 are opened. The compressor 601 will deliver outside air into the degradation tank 301 through the air buffer tank 701. The photocatalyst in the degradation tank 301 will be aerated after contact with the outside air, thereby promoting the dynamic balance between the solution and the atmosphere, increasing the oxygen concentration at the reaction interface, and thus improving the photocatalytic efficiency. The air delivery is stopped by closing the compressor 601, the first solenoid valve 602 and the second solenoid valve 703. At this time, the air buffer tank 701 is connected to the outside by opening the vent 702, thereby releasing the compressed air remaining in the air buffer tank 701.

[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A photocatalytic membrane separation and degradation experimental device, comprising a base plate (1), characterized in that, A support rod (2) is fixedly connected above the base plate (1). A processing component (3) is provided above the support rod (2). The processing component (3) includes a degradation tank (301). A valve (302) is fixedly connected to the left side of the degradation tank (301). A membrane box (303) is fixedly connected below the degradation tank (301). The membrane box (303) is fixedly connected to the upper end of the support rod (2). A xenon lamp tube (304) is fixedly connected through and above the degradation tank (301). An inlet (305) is fixedly connected above the degradation tank (301). A discharge pipe (306) is fixedly connected below the membrane box (303). A discharge valve (307) is fixedly connected to the right side of the discharge pipe (306).

2. The photocatalytic membrane separation and degradation experimental device according to claim 1, characterized in that, The processing component (3) also includes a sampling port (308), which is fixedly connected to the top of the discharge pipe (306).

3. The photocatalytic membrane separation and degradation experimental device according to claim 2, characterized in that, A raw material tank (4) is fixedly connected above the base plate (1), and a water pump (5) is fixedly installed on the right side of the raw material tank (4). The water pump (5) is connected to the valve (302) by pipeline.

4. The photocatalytic membrane separation and degradation experimental device according to claim 3, characterized in that, An air intake assembly (6) is provided above the base plate (1). The air intake assembly (6) includes a compressor (601). The compressor (601) is fixedly connected to the top of the base plate (1). A first solenoid valve (602) is fixedly connected to the right side of the compressor (601). A transfer assembly (7) is provided to the right side of the first solenoid valve (602).

5. The photocatalytic membrane separation and degradation experimental device according to claim 4, characterized in that, The transfer component (7) includes an air buffer tank (701), which is fixedly connected to the top of the base plate (1), and is fixedly connected to the right side of the first solenoid valve (602). An air vent (702) is fixedly connected to the front of the air buffer tank (701).

6. The photocatalytic membrane separation and degradation experimental device according to claim 5, characterized in that, The transfer component (7) also includes a second solenoid valve (703), which is fixedly connected to the front of the degradation tank (301) and is connected to the air buffer tank (701) by a pipeline.

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