Novel waste gas collecting device for laboratory

Abstract

The utility model provides a novel laboratory waste gas collecting device, which relates to the technical field of waste gas collection and comprises a filtering mechanism, and an exhaust mechanism is fixedly mounted at the top of the filtering mechanism. When the waste gas collecting device is used, waste gas generated by a laboratory is absorbed into the collecting box through the suction hood and the air inducing pipe under the action of the suction fan, the suction hood is reasonable in design and can effectively capture the waste gas in the laboratory, meanwhile, the air resistance of the air inducing pipe is small, it can be guaranteed that the waste gas is smoothly collected, and the waste gas collecting device is convenient to use. Then the waste gas enters the activated carbon filter along the first gas conveying pipe, then enters the acid-base filter along the second gas conveying pipe and finally enters the photocatalytic oxidation device along the third gas conveying pipe, and the filters can effectively remove harmful substances in the waste gas, so that the waste gas reaches the emission standard; therefore, the using effect of the waste gas collecting device for the laboratory is improved.

Description

Technical Field

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

[0002] Laboratory waste gas collection and treatment device is an important equipment for effectively treating laboratory waste gas. Since the waste gas generated in the laboratory may contain harmful substances, such as volatile organic compounds, acidic gases, alkaline gases, etc., if these waste gases are directly discharged without treatment, they will cause serious harm to the environment and human health. Therefore, it is of great significance to design an efficient, environmentally friendly and practical laboratory waste gas collection and treatment device.

[0003] In the prior art, such as Chinese patent publication number: CN206965434U, a waste gas treatment device for a petrochemical central laboratory is disclosed, which is provided with an air filter cotton adsorption chamber, and an air intake duct is installed at the front end of the air filter cotton adsorption chamber; the rear end of the air filter cotton adsorption chamber is connected to the acid gas adsorption chamber, and the rear end of the acid gas adsorption chamber is connected to the activated carbon fiber adsorption chamber; the rear end of the activated carbon fiber adsorption chamber is connected to the gas outlet; a wind speed sensor is fixedly installed inside the air intake duct by bolts, and an outlet gas monitor is fixedly installed inside the gas outlet by bolts. The device can remove gases including volatile organic gases, inorganic acidic gases, alkaline gases and dust. The device has the characteristics of small size, low resistance, simple structure, easy use, obvious treatment effect and energy saving; the saturation of the adsorbent in the adsorption chamber is judged by the change of the pressure gauge reading, and the operation is simple.

[0004] Since laboratories generate a large amount of waste gas during various chemical experiments, if these waste gases are directly discharged into the atmosphere, they will cause serious harm to the environment and human health. Therefore, the main function of the laboratory waste gas collection device is to effectively collect these waste gases, treat them, and then discharge them into the atmosphere to reduce the impact on the environment. Utility Model Content

[0005] The utility model aims to solve the problem that when the existing equipment is in use, if the waste gas is directly discharged into the atmosphere, it will cause serious harm to the environment and human health, and proposes a new type of laboratory waste gas collection device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a novel laboratory waste gas collection device, comprising a filter mechanism, the top of which is fixedly installed an exhaust mechanism;

[0007] The filtering mechanism includes an operating panel, a collecting box is fixedly installed on the top of the operating panel, an air duct is fixedly inserted on one side of the outer wall of the collecting box, an exhaust fan is fixedly installed on the inner wall of the air duct, an exhaust hood is fixedly installed on the input end of the air duct, a first air supply pipe is fixedly inserted on the other side of the outer wall of the collecting box, an activated carbon filter is fixedly installed on the top of the operating panel, and the output end of the first air supply pipe is connected to the interior of the activated carbon filter, a second air supply pipe is fixedly inserted on one side of the outer wall of the activated carbon filter, an acid-base filter is fixedly installed on the top of the operating panel, and the output end of the second air supply pipe is connected to the interior of the acid-base filter, a third air supply pipe is fixedly inserted on one side of the outer wall of the acid-base filter, a photocatalytic oxidation device is fixedly installed on the top of the operating panel, and the output end of the third air supply pipe is connected to the interior of the photocatalytic oxidation device, and a fourth air supply pipe is fixedly inserted on one side of the outer wall of the photocatalytic oxidation device.

[0008] Preferably, the exhaust mechanism comprises an exhaust box, and a pipe hole is opened on one side of the outer wall of the exhaust box.

[0009] Preferably, an air intake pipe is fixedly installed on the top of the exhaust box, and a fan is fixedly installed on the top of the exhaust box.

[0010] Preferably, an exhaust pipe is fixedly mounted on one side of the outer wall of the fan, and the output end of the air intake pipe is fixedly connected to the input end of the exhaust pipe, and an explosion-proof door is fixedly mounted on the output end of the exhaust pipe.

[0011] Preferably, a controller is fixedly mounted on one side of the outer wall of the exhaust box, and an alarm is fixedly mounted on one side of the outer wall of the exhaust box.

[0012] Preferably, the bottom of the exhaust box is fixedly connected to the top of the operating panel, and the outer wall of the fourth air supply pipe is fixedly inserted into the inside of the pipe hole.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, the exhaust gas generated in the laboratory is collected in a collection box through the functions of the induced draft duct, the suction fan and the suction hood to avoid disorderly emission of the exhaust gas. The exhaust gas is then filtered in sequence through an activated carbon filter, an acid-base filter and a photocatalytic oxidation device to effectively remove harmful substances in the exhaust gas, so that the exhaust gas meets the emission standards, thereby improving the use effect of the exhaust gas collection device.

[0015] 2. In the utility model, the filtered gas is collected in the exhaust box through the fourth gas pipe, and then the treated exhaust gas is discharged to the outside along the intake pipe and the exhaust pipe through the action of the fan. Secondly, the pressure generated during the exhaust gas treatment process is effectively prevented from causing damage to the equipment through the action of the explosion-proof door. Then, the operation monitoring and operation control of the entire device can be responsible through the action of the controller and the alarm. It has the characteristics of high degree of automation and simple operation. When the exhaust gas treatment effect is not good or the equipment fails, the system will automatically alarm and prompt the user to deal with it in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model proposes a subjective structural stereogram of a novel laboratory waste gas collection device;

[0017] Figure 2 The utility model proposes a new type of laboratory waste gas collection device.

[0018] Figure 3 A front view of a filter mechanism of a novel laboratory waste gas collection device proposed by the utility model;

[0019] Figure 4 The utility model provides a disassembled diagram of the exhaust mechanism of a novel laboratory waste gas collection device.

[0020] Legend:

[0021] 1. Filter mechanism; 101. Operation panel; 102. Collection box; 103. Air duct; 104. Suction fan; 105. Suction hood; 106. First air pipeline; 107. Activated carbon filter; 108. Second air pipeline; 109. Acid-base filter; 110. Third air pipeline; 111. Photocatalytic oxidation device; 112. Fourth air pipeline;

[0022] 2. Exhaust mechanism; 201. Exhaust box; 202. Pipe hole; 203. Intake pipe; 204. Fan; 205. Exhaust pipe; 206. Explosion-proof door; 207. Controller; 208. Alarm. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a novel laboratory waste gas collection device, including a filter mechanism 1, and an exhaust mechanism 2 is fixedly installed on the top of the filter mechanism 1;

[0026] The filtering mechanism 1 includes an operating panel 101, a collecting box 102 is fixedly installed on the top of the operating panel 101, an air duct 103 is fixedly inserted on one side of the outer wall of the collecting box 102, a suction fan 104 is fixedly installed on the inner wall of the air duct 103, an air suction hood 105 is fixedly installed on the input end of the air duct 103, a first air delivery pipe 106 is fixedly inserted on the other side of the outer wall of the collecting box 102, an activated carbon filter 107 is fixedly installed on the top of the operating panel 101, and the output end of the first air delivery pipe 106 is connected to the inside of the activated carbon filter 107, and the activated carbon filter A second air pipe 108 is fixedly inserted on one side of the outer wall of the device 107, an acid-base filter 109 is fixedly installed on the top of the operating panel 101, and the output end of the second air pipe 108 is connected to the interior of the acid-base filter 109, a third air pipe 110 is fixedly inserted on one side of the outer wall of the acid-base filter 109, a photocatalytic oxidation device 111 is fixedly installed on the top of the operating panel 101, and the output end of the third air pipe 110 is connected to the interior of the photocatalytic oxidation device 111, and a fourth air pipe 112 is fixedly inserted on one side of the outer wall of the photocatalytic oxidation device 111.

[0027] The effect achieved by the entire embodiment 1 is that, when in use, the exhaust gas generated in the laboratory is first absorbed into the collection box 102 through the suction fan 104 through the suction hood 105 and the induced draft duct 103, wherein the suction hood 105 is reasonably designed and can effectively capture the exhaust gas in the laboratory, and the wind resistance of the induced draft duct 103 is small, which can ensure that the exhaust gas is smoothly collected, and then the exhaust gas enters the activated carbon filter 107 along the first air pipe 106, and then enters the acid-base filter 109 along the second air pipe 108, and finally enters the photocatalytic oxidation device 111 along the third air pipe 110. These filters can effectively remove harmful substances in the exhaust gas, so that the exhaust gas meets the emission standards, thereby improving the use effect of the laboratory exhaust gas collection device.

[0028] Embodiment 2, as Figure 2-Figure 4As shown, the exhaust mechanism 2 includes an exhaust box 201, a pipe hole 202 is opened on one side of the outer wall of the exhaust box 201, an air intake pipe 203 is fixedly installed on the top of the exhaust box 201, a fan 204 is fixedly installed on the top of the exhaust box 201, an exhaust pipe 205 is fixedly installed on one side of the outer wall of the fan 204, and the output end of the air intake pipe 203 is fixedly connected to the input end of the exhaust pipe 205, an explosion-proof door 206 is fixedly installed on the output end of the exhaust pipe 205, a controller 207 is fixedly installed on one side of the outer wall of the exhaust box 201, an alarm 208 is fixedly installed on one side of the outer wall of the exhaust box 201, the bottom of the exhaust box 201 is fixedly connected to the top of the operating panel 101, and the outer wall of the fourth gas supply pipe 112 is fixedly inserted into the inside of the pipe hole 202.

[0029] The effect achieved by the entire embodiment 2 is that the exhaust gas treated by multiple filters enters the interior of the exhaust box 201 along the fourth air supply pipe 112, and the fan 204 is started by the controller 207 to absorb the treated exhaust gas and enter the exhaust pipe 205 along the intake pipe 203, and then discharged into the atmosphere. Since the controller 207 and the alarm 208 are installed on one side of the outer wall of the exhaust box 201, they can be responsible for the operation monitoring and operation control of the entire device, and when the exhaust gas treatment effect is not good or the equipment fails, the alarm 208 will automatically alarm and prompt the user to deal with it in time. It has an efficient automation system and is simple to operate, which further improves the use effect of the exhaust gas collection device.

[0030] Working principle: First, the suction fan 104 is turned on by the controller 207, so that the waste gas generated in the laboratory enters the interior of the collection box 102 along the suction hood 105 and the induced draft pipe 103, and then through the first air delivery pipe 106, the second air delivery pipe 108 and the third air delivery pipe 110, the absorbed waste gas passes through the activated carbon filter 107, the acid-base filter 109 and the photocatalytic oxidation device 111 in turn, and after multiple filtrations, it enters the interior of the exhaust box 201 along the fourth air delivery pipe 112, and then the fan 204 is turned on by the controller 207 to exhaust the exhaust box. The treated waste gas in 201 is discharged to the outside along the intake pipe 203 and the exhaust pipe 205, wherein an explosion-proof door 206 is installed at the exhaust port of the exhaust pipe 205 to effectively prevent the pressure generated during the waste gas treatment process from causing damage to the equipment. The entire process is under the operation monitoring and operation control of the controller 207, with a high degree of automation. In general, the waste gas in the laboratory is sucked into the collection box 102, and then the particulate matter and harmful gases are filtered out through multiple filters, and finally the clean air is discharged to the outside, thereby improving the use effect of the waste gas collection device of the laboratory.

[0031] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A new type of laboratory waste gas collection device, characterized by: It comprises a filtering mechanism (1), and an exhaust mechanism (2) is fixedly mounted on the top of the filtering mechanism (1); The filtering mechanism (1) comprises an operating panel (101), a collecting box (102) is fixedly mounted on the top of the operating panel (101), an air duct (103) is fixedly inserted on one side of the outer wall of the collecting box (102), an air suction fan (104) is fixedly mounted on the inner wall of the air duct (103), an air suction hood (105) is fixedly mounted on the input end of the air duct (103), a first air supply pipe (106) is fixedly inserted on the other side of the outer wall of the collecting box (102), an activated carbon filter (107) is fixedly mounted on the top of the operating panel (101), and the output end of the first air supply pipe (106) is connected to the inside of the activated carbon filter (107), A second air supply pipe (108) is fixedly inserted on one side of the outer wall of the activated carbon filter (107); an acid-base filter (109) is fixedly installed on the top of the operating panel (101), and the output end of the second air supply pipe (108) is connected to the inside of the acid-base filter (109); a third air supply pipe (110) is fixedly inserted on one side of the outer wall of the acid-base filter (109); a photocatalytic oxidation device (111) is fixedly installed on the top of the operating panel (101), and the output end of the third air supply pipe (110) is connected to the inside of the photocatalytic oxidation device (111); and a fourth air supply pipe (112) is fixedly inserted on one side of the outer wall of the photocatalytic oxidation device (111).

2. A novel laboratory waste gas collection device according to claim 1, characterized in that: The exhaust mechanism (2) comprises an exhaust box (201), and a pipe hole (202) is provided on one side of the outer wall of the exhaust box (201).

3. A novel laboratory waste gas collection device according to claim 2, characterized in that: An air intake pipe (203) is fixedly mounted on the top of the exhaust box (201), and a fan (204) is fixedly mounted on the top of the exhaust box (201).

4. A novel laboratory waste gas collection device according to claim 3, characterized in that: An exhaust pipe (205) is fixedly mounted on one side of the outer wall of the fan (204), and the output end of the air intake pipe (203) is fixedly connected to the input end of the exhaust pipe (205), and an explosion-proof door (206) is fixedly mounted on the output end of the exhaust pipe (205).

5. A novel laboratory waste gas collection device according to claim 4, characterized in that: A controller (207) is fixedly mounted on one side of the outer wall of the exhaust box (201), and an alarm (208) is fixedly mounted on one side of the outer wall of the exhaust box (201).

6. A novel laboratory waste gas collection device according to claim 5, characterized in that: The bottom of the exhaust box (201) is fixedly connected to the top of the operating panel (101), and the outer wall of the fourth air delivery pipe (112) is fixedly inserted into the interior of the pipe hole (202).

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