Combined ultraviolet light catalytic oxidation stink removal device

Abstract

The utility model discloses a combined ultraviolet light catalytic oxidation stink removal device which comprises a vacuum ultraviolet photolysis and photocatalysis system, a gas inlet pipe is fixedly arranged at the bottom of the vacuum ultraviolet photolysis and photocatalysis system, and a gas outlet pipe is fixedly arranged at the top of the vacuum ultraviolet photolysis and photocatalysis system. According to the utility model, the vacuum ultraviolet photolysis and photocatalysis system is arranged, and the wavelength function is reasonably utilized to excite a catalyst and combine with ozone to generate oxygen free radicals to jointly degrade pollutants, so that the treatment requirement of large air volume is met; the device also has the capability of well treating a high-load odor pollution source, impurities in waste gas entering the barrel can be filtered by arranging a filter plate, a sealing plate, a sealing ring, a connecting plate, a limiting hole, a fixing plate, a spring, a shifting plate, a limiting rod and the like, the influence on the odor treatment effect is reduced, the filter plate is convenient to disassemble and assemble, and the practicability is high. The filter plate is convenient to clean or replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of combined ultraviolet photocatalytic oxidation malodor removal devices, and specifically is a combined ultraviolet photocatalytic oxidation malodor removal device. BACKGROUND

[0002] Malodor pollution belongs to the category of air pollution, and is closely related to haze and volatile organic compounds (VOCs). It has received widespread attention from the government and the public. Malodor substances can enter the human body through respiration, directly endangering human health and causing symptoms such as nausea, headache, insomnia, and loss of appetite. Currently, the methods for malodor treatment have developed from the initial and simplest water washing method to various technologies such as activated carbon adsorption, combustion method, biological method, advanced oxidation method, and plant liquid deodorization. Among them, photocatalytic oxidation technology is considered one of the most potential technologies due to its mild reaction conditions, low cost, safety, and ease of maintenance, and is particularly suitable for treating low-concentration malodor gases. In recent years, vacuum ultraviolet light (VUV) has received extensive attention and application for improving the activity of photocatalysts, increasing the removal efficiency of pollutants, and improving stability.

[0003] To this end, a Chinese utility model patent with the publication number CN208356485U discloses a vacuum ultraviolet photolysis-ozone catalytic oxidation combined malodor removal device, which includes a spray water washing system, a vacuum ultraviolet photolysis and photocatalysis system, and a normal-temperature catalytic oxidation system. The spray water washing system, the vacuum ultraviolet photolysis and photocatalysis system, and the normal-temperature catalytic oxidation system are connected in order from left to right in a three-stage purification structure. The utility model has a reasonable structure, meets the requirements of the vacuum ultraviolet photolysis and photocatalysis system for particulate matter concentration and humidity, effectively solves the problem of secondary pollution caused by the accumulation of residual ozone in the vacuum ultraviolet photolysis and photocatalysis system, meets the processing requirements of large air volume, and has the ability to treat high-load malodor pollution sources when the inlet concentration of malodor gas is unstable. The normal-temperature catalytic oxidation system improves the malodor removal efficiency and the end malodor treatment effect.

[0004] The combined ultraviolet photocatalytic oxidation malodor removal device has the following problems: the exhaust gas treated by the spray water system enters the vacuum ultraviolet photolysis and photocatalysis system through the gas connection pipe, and the exhaust gas is not filtered when entering the vacuum ultraviolet photolysis and photocatalysis system, which can affect the treatment effect of malodor.

[0005] Therefore, a combined ultraviolet photocatalytic oxidation malodor removal device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a combined ultraviolet photocatalytic oxidation malodor removal device to solve the problems raised in the background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a combined type ultraviolet photocatalytic oxidation stink removal device, including vacuum ultraviolet photolysis and photocatalytic system, the vacuum ultraviolet photolysis and photocatalytic system bottom fixed mounting inlet pipe, the vacuum ultraviolet photolysis and photocatalytic system top fixed mounting outlet pipe,

[0008] The installation groove is arranged on one side of the inlet pipe, the filter plate is in contact with the installation groove, the sealing plate is fixedly installed on one side of the filter plate, the sealing ring is fixedly arranged on the side of the sealing plate close to the filter plate, the sealing ring is in contact with one side of the inlet pipe, the connecting plate is fixedly connected to the side of the sealing plate away from the filter plate, the limiting holes are formed in the top surface of the connecting plate at both ends, the fixed plate is fixedly installed on one side of the inlet pipe, the spring is fixedly connected to the bottom surface of the fixed plate at both ends, the other end of the spring is fixedly connected to the poking plate, the limiting rods are fixedly connected to the top surface of the poking plate at both ends, the spring is sleeved with the limiting rods, the sliding holes are formed in the top surface of the fixed plate at both ends, the limiting holes are formed in the top surface of the connecting plate at both ends, and the limiting rods are slidably connected to the sliding holes and the limiting holes.

[0009] Preferably, the limiting ring plate is fixedly connected to the outer surface of the limiting rod.

[0010] Preferably, the handle is fixedly connected to one side of the sealing plate.

[0011] Preferably, the vacuum ultraviolet photolysis and photocatalytic system comprises a cylinder, a ballast, a vacuum ultraviolet lamp tube, a photocatalytic layer and a gas distributor.

[0012] Preferably, the gas distributor is arranged at the gas inlet end of the cylinder, the gas distributor is installed on the inner wall of the cylinder, the ballast is fixedly installed in the cylinder and located on one side of the vacuum ultraviolet lamp tube, and the ballast is connected with the vacuum ultraviolet lamp tube.

[0013] Preferably, the cylinder is internally provided with a lamp tube support frame, the vacuum ultraviolet lamp tubes are arranged in a transposed square shape on the lamp tube support frame, and the cylinder is internally provided with the photocatalytic layer.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The utility model discloses a vacuum ultraviolet photolysis and photocatalytic system is set up, and wavelength function is reasonably utilized to reach both exciting catalyst and generating oxygen free radical jointly with ozone to degrade pollutant, thereby satisfy the processing requirement of large amount of atmosphere, when the change of stink gas import concentration is unstable, still have the ability of treating high load stink pollution source well, through setting up filter plate, sealing plate, sealing ring, connecting plate, limiting hole, fixed plate, spring, poking plate, limiting rod etc., can filter the impurity in the waste gas that enters the cylinder, reduce the influence on stink treatment effect, and the filter plate is convenient to dismount, and the filter plate is cleaned or replaced conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the utility model;

[0017] Figure 2 It is a front view sectional structure schematic view of the utility model;

[0018] Figure 3 It is a front view sectional structure schematic view of the utility model local structure;

[0019] Figure 4 It is a side view sectional structure schematic view of the utility model local structure;

[0020] Figure 5 It is a schematic view of the utility model local structure split structure.

[0021] In the figure: 1, vacuum ultraviolet photolysis and photocatalysis system;2, air inlet pipe;21, installation groove;3, filter plate;4, sealing plate;5, sealing ring;6, handle;7, connecting plate;71, limit hole;8, fixed plate;81, sliding hole;9, spring;10, push plate;11, cylinder;12, ballast;13, vacuum ultraviolet lamp;14, photocatalytic layer;15, gas distributor;16, limit rod;161, limit ring plate;17, air outlet pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment 1

[0023] Please refer to Figures 1-5 , the utility model provides a technical scheme: a combined ultraviolet photocatalytic oxidation odor removal device, including vacuum ultraviolet photolysis and photocatalysis system 1, vacuum ultraviolet photolysis and photocatalysis system 1 bottom fixed installation air inlet pipe 2, vacuum ultraviolet photolysis and photocatalysis system 1 top fixed installation air outlet pipe 17;

[0024] The air inlet pipe 2 is provided with an installation groove 21 on one side, the installation groove 21 is in contact with the filter plate 3, the filter plate 3 is fixedly installed with a sealing plate 4 on one side, the sealing plate 4 is fixedly provided with a sealing ring 5 on the side close to the filter plate 3, the sealing ring 5 is in contact with one side of the air inlet pipe 2, the sealing plate 4 is fixedly connected with a connecting plate 7 on the side away from the filter plate 3, the connecting plate 7 is provided with limiting holes 71 at the top surface of both ends, the air inlet pipe 2 is fixedly installed with a fixed plate 8 on one side, the fixed plate 8 is fixedly connected with springs 9 at the bottom surface of both ends, the other ends of the springs 9 are fixedly connected with a push plate 10, the push plate 10 is fixedly connected with limiting rods 16 at the top surface of both ends, the springs 9 are sleeved with the limiting rods 16, the fixed plate 8 is provided with sliding holes 81 at the top surface of both ends, the connecting plate 7 is provided with limiting holes 71 at the top surface of both ends, and the limiting rods 16 are slidingly connected with the sliding holes 81 and the limiting holes 71. When the filter plate 3 is installed, the push plate 10 is pushed to drive the limiting rods 16 to move downwards, so that the limiting ring plates 161 arranged on the limiting rods 16 are in contact with the fixed plate 8, the filter plate 3 is slid into the installation groove 21, the sealing ring 5 is tightly in contact with one side of the air inlet pipe 2, the limiting holes 71 arranged on the connecting plate 7 can correspond to the limiting rods 16, the push plate 10 and the limiting rods 16 are driven by the springs 9 to move upwards, the limiting rods 16 are slid into the limiting holes 71, and the installed filter plate 3 and the like can be limited and fixed. Embodiment 2

[0025] Please refer to Figures 1-5 As a second embodiment of the utility model, the embodiment is based on the previous embodiment, and the limiting rods 16 are fixedly connected with limiting ring plates 161 on outer surfaces. When the filter plate 3 is disassembled, the range of the push plate 10 being pushed to move downwards can be determined, and meanwhile, the movement range of the limiting rods 16 can be limited, so that the limiting rods 16 are prevented from being separated from the sliding holes 81.

[0026] The sealing plate 4 is fixedly connected with a handle 6 on one side, so that the filter plate 3 is conveniently taken and placed.

[0027] The vacuum ultraviolet photolysis and photocatalysis system 1 comprises a cylinder body 11, a ballast 12, a vacuum ultraviolet lamp tube 13, a photocatalytic layer 14 and a gas distributor 15. The gas distributor 15 is arranged to make the airflow more uniformly distributed in the assembly, thereby increasing the reaction contact area of the light source and the waste gas.

[0028] The cylinder body 11 is provided with the gas distributor 15 at an air inlet end, the gas distributor 15 is installed on the inner wall of the cylinder body 11, the inside of the cylinder body 11 is provided with alternately arranged vacuum ultraviolet photolysis modules and photocatalytic modules, the vacuum ultraviolet photolysis module comprises the vacuum ultraviolet lamp tube 13 and the ballast 12, the ballast 12 is fixedly installed on the inside of the cylinder body 11 and located on one side of the vacuum ultraviolet lamp tube 13, and the ballast 12 is connected with the vacuum ultraviolet lamp tube 13.

[0029] The inner part of the cylinder 11 is provided with a lamp support frame, and the vacuum ultraviolet lamp 13 is arranged in a transposed square on the lamp support frame, and the inner part of the cylinder 11 is provided with a photocatalytic layer 14. The photocatalytic module comprises the photocatalytic layer 14, and the photocatalytic layer 14 is filled with honeycomb active carbon fiber or honeycomb ceramic carrier and transition metal or noble metal modified nanometer titanium dioxide coating. In actual work, the waste gas treated by the water spray washing system (not shown in the figure) enters the gas inlet pipe 2, is filtered by the filter plate 3, and then enters the vacuum ultraviolet photolysis and photocatalytic system 1. In this treatment process, the residence time of the waste gas in the vacuum ultraviolet photolysis and photocatalytic system 1 is 2-5s, the waste gas is uniformly distributed in the vacuum ultraviolet photolysis and photocatalytic system 1 through the gas distributor 15, is subjected to the 185nm vacuum ultraviolet photolysis of the vacuum ultraviolet lamp 13, and the molecular chain of the pollutants is broken into small molecular substances, part of which is directly degraded, and the remaining small molecular substances and active oxygen free radicals are further degraded in the photocatalytic layer 14 of the 254nm wavelength excitation photocatalyst. Finally, the waste gas treated by the vacuum ultraviolet photolysis and photocatalytic system 1 directly enters the normal temperature catalytic oxidation system through the gas outlet pipe 17 arranged at the top of the cylinder 11. Example 3

[0030] Please refer to Figures 1-5 As the third embodiment of the utility model, the embodiment is based on the above two embodiments, the utility model sets the vacuum ultraviolet photolysis and photocatalytic system 1, reasonably utilizes the wavelength function to achieve that the catalyst is excited and the oxygen free radicals are generated jointly with ozone to degrade pollutants, thereby meeting the treatment requirement of large air volume, when the inlet concentration of the malodorous gas is unstable, still has the ability of treating high load malodorous pollution sources well, the impurities in the waste gas entering the cylinder 11 can be filtered through the setting of the filter plate 3, the influence on the malodorous treatment effect is reduced, and the filter plate 3 is convenient to disassemble, cleaning or replacement of the filter plate 3 is facilitated. When the filter plate 3 needs to be disassembled, the limit rod 16 is lowered by driving the driving plate 10, the spring 9 is stretched, the limit rod 16 is lowered and separated from the limit hole 71 of the connecting plate 7, the limiting of the sealing plate 4, the filter plate 3 and the like can be removed, and the filter plate 3 can be pulled out by the handle 6 for cleaning or replacement.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A combined UV photocatalytic oxidation odor removal device comprising a vacuum UV photolysis and photocatalysis system (1), characterized in that: The bottom of the vacuum ultraviolet photolysis and photocatalysis system (1) is fixedly installed with an air inlet pipe (2), and the top of the vacuum ultraviolet photolysis and photocatalysis system (1) is fixedly installed with an air outlet pipe (17). An installation groove (21) is formed in one side of the air inlet pipe (2), and a filter plate (3) is in contact with the installation groove (21), one side of the filter plate (3) is fixedly installed with a sealing plate (4), one side of the sealing plate (4) close to the filter plate (3) is fixedly provided with a sealing ring (5), the sealing ring (5) is in contact with one side of the air inlet pipe (2), one side of the sealing plate (4) away from the filter plate (3) is fixedly connected with a connecting plate (7), the top surface of the connecting plate (7) is respectively provided with a limiting hole (71) at both ends, one side of the air inlet pipe (2) is fixedly installed with a fixed plate (8), the bottom surface of the fixed plate (8) is respectively fixedly connected with one end of a spring (9) at both ends, the other end of the spring (9) is fixedly connected with a poking plate (10), the top surface of the poking plate (10) is respectively fixedly connected with a limiting rod (16) at both ends, the spring (9) is sleeved with the limiting rod (16), the top surface of the fixed plate (8) is respectively provided with a sliding hole (81) at both ends, the top surface of the connecting plate (7) is respectively provided with a limiting hole (71) at both ends, and the limiting rod (16) is slidingly connected with the sliding hole (81) and the limiting hole (71).

2. The combined UV photocatalytic oxidation odor removal device according to claim 1, characterized in that: The limiting rod (16) is fixedly connected with a limiting ring plate (161) on the outer surface.

3. The combined UV photocatalytic oxidation odor removal device according to claim 1, characterized in that: One side of the sealing plate (4) is fixedly connected with a handle (6).

4. The combined UV photocatalytic oxidation odor removal device according to claim 1, characterized in that: The vacuum ultraviolet photolysis and photocatalysis system (1) comprises a cylinder (11), a ballast (12), a vacuum ultraviolet lamp tube (13), a photocatalytic layer (14) and a gas distributor (15).

5. The combined UV photocatalytic oxidation odor removal device according to claim 4, characterized in that: The gas distributor (15) is arranged on the inner wall of the cylinder (11), the ballast (12) is fixedly installed in the cylinder (11) and located on one side of the vacuum ultraviolet lamp tube (13), and the ballast (12) is connected with the vacuum ultraviolet lamp tube (13).

6. The combined UV photocatalytic oxidation odor removal device according to claim 5, characterized in that: The cylinder (11) is internally provided with a lamp tube support frame, the vacuum ultraviolet lamp tube (13) is arranged in a transposed square on the lamp tube support frame, and the cylinder (11) is internally provided with the photocatalytic layer (14).

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