Laboratory waste gas purification device

Abstract

The utility model discloses a laboratory waste gas purification device and relates to the technical field of waste gas treatment. The gas washing device comprises a gas washing gas tank and a gas inlet assembly, the gas washing gas tank and the gas inlet assembly are connected through bolts, a filter screen is fixed to the top end of the gas inlet assembly through screws, a flow guide cover assembly is arranged in the gas washing gas tank, and an activated carbon filter plate is inserted into the flow guide cover assembly. The activated carbon filter plate is provided with a large number of micropores and high specific surface area, so that organic substances, peculiar smell and volatile organic compounds in waste gas can be effectively adsorbed, and the waste gas filtered by the HEPA filter screen and the activated carbon filter plate is guided into the rotating part of the gas dispersion assembly through the flow guide cover assembly; and the waste gas and the treatment agent are stirred and mixed through the rotating part of the gas dispersion assembly, so that the reaction time of the waste gas is shortened, and the treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a laboratory waste gas purification device. Background Art

[0002] Laboratory waste gas refers to the waste gas emissions generated during experiments, operations or other activities in the laboratory. These waste gases may contain various harmful substances, such as chemical volatiles, organic solvents, gases, particulate matter, etc., which may pose potential risks to the environment and personnel health. It is crucial to treat and purify laboratory waste gas.

[0003] Existing waste gas purification equipment passes waste gas into a treatment agent when in use, and the discharged waste gas is directly discharged through a pipe inserted in the treatment agent. It uses the property that some substances are easily soluble in water or other solutions to allow harmful substances in the waste gas to enter the liquid to purify the gas. The reaction time is long and the working efficiency is low.

[0004] For this purpose, a laboratory waste gas purification device is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems raised in the above background technology, and the utility model provides a laboratory waste gas purification device.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A laboratory waste gas purification device includes a gas washing tank and an air intake assembly, wherein the gas washing tank and the air intake assembly are connected by bolts, a filter screen is fixed to the top of the air intake assembly by screws, a flow guide cover assembly is arranged inside the gas washing tank, an activated carbon filter plate is inserted inside the flow guide cover assembly, a HEPA filter screen is inserted inside the air intake assembly and above the activated carbon filter plate, and a gas dispersion assembly for dispersing gas into a treatment agent and mixing and stirring the gas is arranged inside the gas washing tank.

[0008] Furthermore, the gas washing tank comprises a tank body, a liquid level gauge is embedded in the interior of the tank body, an exhaust port is arranged on the surface of the tank body, and a support frame is fixedly mounted on the bottom surface of the tank body.

[0009] Furthermore, the air intake assembly includes an air intake hood, the top surface of the tank body is fixedly installed with the air intake hood by bolts, the inner wall of the air intake hood is fixedly installed with a motor frame, and the interior of the motor frame is fixedly plugged with a first motor, the output end of the first motor is fixedly installed with fan blades, and the top of the air intake hood is fixedly installed with a filter screen by screws.

[0010] Furthermore, the deflector assembly includes a cone shell, the cone shell is inserted into the interior of the tank body, a pipeline is fixedly installed at the bottom end of the cone shell, and a connecting end is fixedly installed at the bottom end of the pipeline.

[0011] Furthermore, the gas dispersion assembly includes a second motor, the second motor is fixedly mounted on the bottom end of the tank body, a vertical pipe is fixedly mounted on the output end of the second motor, a U-shaped tube is arranged on the surface of the second motor, and a jet hole is opened on the surface of the U-shaped tube.

[0012] Furthermore, the top end of the vertical pipe is located inside the connecting end, and the vertical pipe and the connecting end are rotatably plugged in.

[0013] The beneficial effects of the utility model are as follows:

[0014] The wash gas tank and the air intake assembly are connected by bolts, and the laboratory exhaust gas is sucked into the interior of the air intake assembly and the wash gas tank through the air intake assembly. The HEPA filter is used to capture fine particles and particulate matter, effectively filter the particles in the exhaust gas, and improve the air quality. The activated carbon filter plate has a large number of micropores and a high specific surface area, which can effectively adsorb organic matter, odor and volatile organic compounds in the exhaust gas. The exhaust gas filtered by the HEPA filter and the activated carbon filter plate is introduced into the rotating part of the gas dispersion assembly through the guide cover assembly, so that the exhaust gas is dispersed into the treatment agent in the wash gas tank, and the exhaust gas and the treatment agent are stirred and mixed through the rotating part of the gas dispersion assembly, so that the reaction time of the exhaust gas is reduced and the treatment efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a front view of the utility model;

[0017] Figure 3 It is a front cross-sectional view of the utility model;

[0018] Figure 4 This utility model Figure 3 A magnified view of part A;

[0019] Figure numerals: 1. gas washing tank; 101. tank body; 102. liquid level gauge; 103. exhaust port; 2. air intake assembly; 201. air intake hood; 202. motor frame; 203. first motor; 204. fan blades; 3. filter screen; 4. air guide cover assembly; 401. cone shell; 402. pipeline; 403. connecting end; 5. activated carbon filter plate; 6. HEPA filter; 7. gas dispersion assembly; 701. second motor; 702. vertical pipe; 703. U-shaped pipe; 704. jet hole. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] like Figures 1 to 4As shown, a laboratory waste gas purification device includes a gas washing tank 1 and an air intake assembly 2, the gas washing tank 1 and the air intake assembly 2 are connected by bolts, a filter screen 3 is fixed to the top of the air intake assembly 2 by screws, a guide cover assembly 4 is arranged inside the gas washing tank 1, an activated carbon filter plate 5 is inserted inside the guide cover assembly 4, a HEPA filter screen 6 is inserted inside the air intake assembly 2 and above the activated carbon filter plate 5, and a gas dispersion assembly 7 for dispersing gas into a treatment agent and mixing and stirring the gas is arranged inside the gas washing tank 1. More specifically, the wash gas tank 1 and the air intake assembly 2 are connected by bolts, and the laboratory exhaust gas is sucked into the interior of the air intake assembly 2 and the wash gas tank 1 through the air intake assembly 2, and the HEPA filter 6 is used to capture fine particles and particulate matter, effectively filter the particles in the exhaust gas, and improve the air quality. The activated carbon filter plate 5 has a large number of micropores and a high specific surface area, which can effectively adsorb organic matter, odor and volatile organic compounds in the exhaust gas. The exhaust gas filtered by the HEPA filter 6 and the activated carbon filter plate 5 is introduced into the rotating part of the gas dispersion assembly 7 through the guide cover assembly 4, so that the exhaust gas is dispersed into the treatment agent in the wash gas tank 1, and the exhaust gas and the treatment agent are stirred and mixed through the rotating part of the gas dispersion assembly 7, so as to reduce the reaction time of the exhaust gas and improve the treatment efficiency.

[0025] The gas washing tank 1 comprises a tank body 101, a liquid level gauge 102 is embedded inside the tank body 101, an exhaust port 103 is provided on the surface of the tank body 101, and a support frame is fixedly installed on the bottom surface of the tank body 101. More specifically, the liquid level of the treatment agent in the tank body 101 is conveniently observed through the liquid level gauge 102, and the purified gas is discharged through the exhaust port 103, wherein the treatment agent in the tank body 101 submerges the rotating part of the gas dispersion assembly 7.

[0026] The air intake assembly 2 includes an air intake hood 201, the top surface of the tank 101 is fixedly mounted with the air intake hood 201 by bolts, the inner wall of the air intake hood 201 is fixedly mounted with a motor frame 202, and the inside of the motor frame 202 is fixedly plugged with a first motor 203, the output end of the first motor 203 is fixedly mounted with a fan blade 204, and the top of the air intake hood 201 is fixedly mounted with a filter screen 3 by screws. More specifically, the fan blade 204 is driven to rotate by the first motor 203, and the fan blade 204 rotates, and the air outside the laboratory enters the interior of the air intake hood 201 through the filter screen 3.

[0027] The deflector assembly 4 includes a cone shell 401, the cone shell 401 is inserted into the tank 101, a pipe 402 is fixedly installed at the bottom end of the cone shell 401, and a connecting terminal 403 is fixedly installed at the bottom end of the pipe 402. More specifically, the exhaust gas is guided by the cone shell 401 and the pipe 402 to achieve the purpose of introducing the exhaust gas into the interior of the rotating part of the gas dispersion assembly 7.

[0028] The gas dispersion assembly 7 includes a second motor 701, the second motor 701 is fixedly mounted at the bottom end of the tank body 101, a vertical pipe 702 is fixedly mounted at the output end of the second motor 701, a U-shaped pipe 703 is arranged on the surface of the second motor 701, and a gas injection hole 704 is opened on the surface of the U-shaped pipe 703. More specifically, the vertical pipe 702 and the U-shaped pipe 703 are driven to rotate by the second motor 701, and the vertical pipe 702 and the U-shaped pipe 703 are rotated to mix and stir the treatment agent and the waste gas in the tank body 101, and the waste gas is discharged into the treatment agent in the tank body 101 through the gas injection hole 704 on the surface of the U-shaped pipe 703, and the waste gas is purified by the treatment agent.

[0029] The top of the vertical pipe 702 is located inside the connecting end 403, and the vertical pipe 702 and the connecting end 403 are rotatably plugged. More specifically, the top of the vertical pipe 702 is rotatably plugged into the inside of the connecting end 403, so that the exhaust gas discharged from the pipeline 402 can enter the interior of the vertical pipe 702 and the U-shaped pipe 703.

[0030] In summary: the wash gas tank 1 and the air intake assembly 2 are connected by bolts, the laboratory exhaust gas is sucked into the interior of the air intake assembly 2 and the wash gas tank 1 through the air intake assembly 2, and the HEPA filter 6 is used to capture fine particles and particulate matter, effectively filter the particles in the exhaust gas, and improve the air quality. The activated carbon filter plate 5 has a large number of micropores and a high specific surface area, which can effectively adsorb organic matter, odor and volatile organic compounds in the exhaust gas. The exhaust gas filtered by the HEPA filter 6 and the activated carbon filter plate 5 is introduced into the rotating part of the gas dispersion assembly 7 through the guide cover assembly 4, so that the exhaust gas is dispersed into the treatment agent in the wash gas tank 1, and the exhaust gas and the treatment agent are stirred and mixed through the rotating part of the gas dispersion assembly 7, so that the reaction time of the exhaust gas is reduced and the treatment efficiency is improved.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A laboratory waste gas purification device, characterized in that: The invention comprises a gas washing tank (1) and an air intake assembly (2), wherein the gas washing tank (1) and the air intake assembly (2) are connected by bolts, a filter screen (3) is fixed to the top of the air intake assembly (2) by screws, a flow guide cover assembly (4) is arranged inside the gas washing tank (1), an activated carbon filter plate (5) is inserted inside the flow guide cover assembly (4), a HEPA filter screen (6) is inserted inside the air intake assembly (2) and above the activated carbon filter plate (5), and a gas dispersion assembly (7) for dispersing gas into a treatment agent and mixing and stirring the gas is arranged inside the gas washing tank (1).

2. A laboratory waste gas purification device according to claim 1, characterized in that: The gas washing tank (1) comprises a tank body (101), a liquid level meter (102) is embedded inside the tank body (101), an exhaust port (103) is arranged on the surface of the tank body (101), and a support frame is fixedly mounted on the bottom surface of the tank body (101).

3. A laboratory waste gas purification device according to claim 2, characterized in that: The air intake assembly (2) comprises an air intake hood (201), the top surface of the tank body (101) is fixedly mounted with the air intake hood (201) by means of bolts, the inner wall of the air intake hood (201) is fixedly mounted with a motor frame (202), and the interior of the motor frame (202) is fixedly plugged with a first motor (203), a fan blade (204) is fixedly mounted on the output end of the first motor (203), and a filter screen (3) is fixedly mounted on the top of the air intake hood (201) by means of screws.

4. A laboratory waste gas purification device according to claim 2, characterized in that: The deflector assembly (4) comprises a cone shell (401), the cone shell (401) is inserted into the interior of the tank body (101), a pipe (402) is fixedly installed at the bottom end of the cone shell (401), and a connecting end (403) is fixedly installed at the bottom end of the pipe (402).

5. A laboratory waste gas purification device according to claim 4, characterized in that: The gas dispersion assembly (7) comprises a second motor (701), the second motor (701) is fixedly mounted on the bottom end of the tank body (101), a vertical pipe (702) is fixedly mounted on the output end of the second motor (701), a U-shaped tube (703) is arranged on the surface of the second motor (701), and a gas injection hole (704) is opened on the surface of the U-shaped tube (703).

6. A laboratory waste gas purification device according to claim 5, characterized in that: The top end of the vertical pipe (702) is located inside the connecting end (403), and the vertical pipe (702) and the connecting end (403) are rotatably plugged in.

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