Laboratory waste gas purification treatment device

Abstract

The invention discloses a laboratory waste gas purification treatment device, and relates to the technical field of waste gas treatment.The laboratory waste gas purification treatment device comprises a purification box, universal wheels are fixedly connected to the bottom of the purification box, a liquid adding pipe is fixedly connected to the outer wall of the purification box, a liquid discharging pipe is fixedly connected to the outer wall of the purification box, a filtering mechanism is arranged on the purification box, and a spraying mechanism is arranged on the purification box; a shifting rod is pulled in the direction away from a connecting plate, the shifting rod drives an inserting rod to move, the inserting rod is separated from the connecting plate, limiting on the connecting plate is relieved, when the inserting rod moves, a sliding block can be driven to move along a sliding rod, a spring is compressed, at the moment, a handle is pulled upwards, the handle can drive a filter screen to move upwards, and the filter screen is separated from the interior of a filter box; and on the contrary, the filter screen can be fixed in the filter box again, so that the problems that the filter screen is rusted or corroded due to environmental factors when being fixed by using bolts, and the bolts are broken or cannot be disassembled due to bolt corrosion can be avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of waste gas treatment, and particularly relates to a laboratory waste gas purification treatment device. BACKGROUND

[0002] Laboratory waste gas refers to harmful gas or vapor generated in scientific experiments, chemical reactions and industrial production processes. Waste gas may contain toxic, harmful, flammable or corrosive substances, which can pose potential threats to human health and the environment. Therefore, effective measures must be taken to treat and discharge these waste gases.

[0003] Application No. CN202420672422.2 discloses a waste gas purification treatment device for a pharmaceutical laboratory, which comprises a treatment box, a suction machine fixedly connected to one side wall of the treatment box, an air outlet end of the suction machine communicated with the treatment box, a suction end of the suction machine fixedly connected with a suction pipe, a sliding pipe slidably connected to the suction pipe, a vertical plate fixedly connected to the upper end face of the treatment box, a lifting assembly arranged on the vertical plate and arranged on the sliding pipe, a plurality of gas filtering assemblies arranged on the treatment box, and an exhaust pipe communicated with the end of the treatment box away from the suction machine. In the present application, the sliding pipe reciprocally moves up and down on the suction pipe, thereby increasing the air suction area of the device, improving the treatment efficiency of the device for waste gas, facilitating the user to replace the filter plate, and improving the portability of the device. The user does not need to disassemble the device to replace the filter plate, thereby reducing the workload of the staff.

[0004] The device fixes the filter plate by using bolts. During disassembly, the bolts may be damaged due to over-tightening or long-term use. Once the threads are damaged, the bolts are difficult to be fastened again. Moreover, the bolts may be rusted or corroded due to environmental factors after long-term use, which may cause the bolts to break or be unable to be disassembled. SUMMARY

[0005] Therefore, the present application aims to overcome the deficiencies in the prior art and provides a laboratory waste gas purification treatment device. The present application provides the following technical solutions.

[0006] A laboratory waste gas purification treatment device comprises a purification box, a liquid adding pipe fixedly connected to the outer wall of the purification box, a liquid discharging pipe fixedly connected to the outer wall of the purification box, a filter mechanism arranged on the purification box, and a spraying mechanism arranged on the purification box. The filter mechanism comprises a filter box fixedly connected to the side of the purification box away from the liquid discharging pipe, and an air inlet pipe fixedly connected to the side of the filter box away from the purification box. Valves are arranged on the liquid adding pipe, the liquid discharging pipe and the air inlet pipe.

[0007] As the laboratory exhaust gas purification treatment device of the above-mentioned alternative or supplement, the filter box is internally inserted with a filter screen, the top of the filter screen is fixedly connected with a handle, the outer wall of the filter screen is fixedly connected with a sealing gasket, the bottom of the sealing gasket is in contact with the top of the filter box, and the outer wall of the filter screen is fixedly connected with a connecting plate.

[0008] As the laboratory exhaust gas purification treatment device of the above-mentioned alternative or supplement, the top of the filter box is fixedly connected with a mounting bracket, the connecting plate is sleeved in the mounting bracket, the inner wall of the mounting bracket is fixedly connected with a sliding rod, the outer wall of the sliding rod is slidingly connected with a sliding block, and the outer wall of the sliding block is fixedly connected with a spring.

[0009] As the laboratory exhaust gas purification treatment device of the above-mentioned alternative or supplement, the sliding rod is located in the spring, the top of the sliding block is fixedly connected with a plug rod, the outer wall of the plug rod is slidingly connected in the mounting bracket, the bottom of the plug rod is in contact with the top of the connecting plate, and the top of the plug rod is fixedly connected with a pull rod.

[0010] As the laboratory exhaust gas purification treatment device of the above-mentioned alternative or supplement, the spraying mechanism comprises a gas guide pipe, the outer wall of the gas guide pipe is fixedly connected in the purification box, the gas guide pipe is communicated with the filter box, the gas guide pipe is provided with an exhaust hole, the top of the purification box is fixedly connected with a motor, the output end of the motor is fixedly connected with a worm through a shaft coupling, and the top of the purification box is fixedly connected with a pump body.

[0011] As the laboratory exhaust gas purification treatment device of the above-mentioned alternative or supplement, the end of the worm away from the motor is fixedly connected with the input shaft of the pump body, the side of the pump body away from the worm is fixedly connected with a liquid inlet pipe, the outer wall of the liquid inlet pipe is fixedly connected in the purification box, the top of the pump body is fixedly connected with a liquid outlet pipe, and the end of the liquid outlet pipe away from the pump body is fixedly connected with a rotary joint.

[0012] As the laboratory exhaust gas purification treatment device of the above-mentioned alternative or supplement, the end of the rotary joint away from the liquid outlet pipe is fixedly connected with a liquid guide pipe, the outer wall of the liquid guide pipe is fixedly connected with a worm wheel, the worm wheel is engaged with the worm, the outer wall of the liquid guide pipe is rotatably connected with the top of the purification box, the bottom of the liquid guide pipe extends to the inside of the purification box, and the bottom of the liquid guide pipe is fixedly connected with an atomizing nozzle.

[0013] As the laboratory exhaust gas purification treatment device of the above-mentioned alternative or supplement, the bottom of the purification box is fixedly connected with a universal wheel.

[0014] As described above, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0015] The application improves the existing laboratory exhaust gas purification treatment device, by pulling the pull rod away from the connecting plate, the pull rod drives the insertion rod to move, so that the insertion rod is separated from the connecting plate, and the limiting of the connecting plate is released, when the insertion rod moves, the slider will move along the slide rod and compress the spring, at this time, pull the handle upwards, at this time, the handle will drive the filter screen to move upwards, so that the filter screen is separated from the inside of the filter box, the disassembly of the filter screen can be completed, and vice versa, the filter screen can be fixed in the filter box again, the problem that the bolt is corroded or corroded due to environmental factors, the bolt is broken or cannot be disassembled can be avoided; at the same time, the operation of the motor drives the worm to rotate, the worm drives the pump body to operate, so that the absorption liquid at the bottom of the purification tank is sucked from the liquid inlet pipe and sprayed from the atomizing nozzle through the liquid outlet pipe, the rotary joint and the liquid guide pipe, at the same time, the worm drives the worm gear to rotate, the worm gear drives the liquid guide pipe to rotate, and the liquid guide pipe drives the atomizing nozzle to rotate, so as to increase the coverage area of the atomizing nozzle and improve the contact area of the absorption liquid and the gas, thereby improving the purification effect of the exhaust gas.

[0016] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, it should be understood that the following drawings only show some embodiments of the present application, therefore should not be regarded as a limitation to the scope, for those skilled in the art, without paying creative labor, other related drawings can also be obtained according to these drawings.

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the present application.

[0019] Figure 2 is a schematic diagram of the cross-sectional structure of the purification tank of the present application.

[0020] Figure 3 is a schematic diagram of the filter mechanism of the present application.

[0021] Figure 4 is a schematic diagram of the structure of the filter screen of the present application.

[0022] Figure 5 is a schematic diagram of the structure of the mounting frame of the present application.

[0023] Figure 6 is a schematic diagram of the structure of the spraying mechanism of the present application.

[0024] Fig. 1 is a schematic view of the purification tank; Fig. 2 is a schematic view of the filter mechanism; Fig. 3 is a schematic view of the spraying mechanism; 1 - purification tank; 11 - universal wheel; 12 - liquid adding pipe; 13 - liquid discharging pipe; 2 - filter mechanism; 201 - filter box; 202 - air inlet pipe; 203 - filter screen; 204 - handle; 205 - sealing gasket; 206 - connecting plate; 207 - mounting rack; 208 - sliding rod; 209 - sliding block; 210 - spring; 211 - insertion rod; 212 - shifting rod; 3 - spraying mechanism; 301 - air guide pipe; 302 - air outlet hole; 303 - motor; 304 - worm; 305 - pump body; 306 - liquid inlet pipe; 307 - liquid delivery pipe; 308 - rotary joint; 309 - liquid guide pipe; 310 - worm wheel; 311 - atomizing nozzle. DETAILED DESCRIPTION

[0025] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters throughout the figures denote the same or like elements or components. The embodiments described below are presented by way of example only and are not intended to limit the application as defined by the appended claims and their equivalents.

[0026] In the present application, unless specifically defined otherwise, the terms "mounting", "connected", "connection", "fixed", and the like, should be construed broadly and, for example, can be a fixed connection, or a detachable connection, or integral; can be a mechanical connection, or an electrical connection; can be a direct connection, or an indirect connection via an intermediate medium; can be an internal connection of two elements, or an interaction relationship between two elements. Those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0027] In the present application, unless specifically defined otherwise, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over", and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under", and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] Reference should be made to Figures 1-6As shown, the laboratory waste gas purification treatment device provided by the embodiment comprises a purification box 1, the outer wall of the purification box 1 is fixedly connected with a liquid adding pipe 12, the outer wall of the purification box 1 is fixedly connected with a liquid discharging pipe 13, a filtering mechanism 2 is arranged on the purification box 1, a spraying mechanism 3 is arranged on the purification box 1, the filtering mechanism 2 is used for filtering waste gas to remove dust and impurities in the waste gas, so that the dust and impurities are prevented from entering the inside of the purification box 1, and the filter screen 203 is convenient to replace, the spraying mechanism 3 is used for sucking the absorption liquid at the bottom of the purification box 1 and atomizing and spraying, so that the contact area of the liquid and the waste gas is increased, and the purification effect on the waste gas is improved, and universal wheels 11 are fixedly connected at the bottom of the purification box 1.

[0029] The filtering mechanism 2 comprises a filtering box 201, the outer wall of the filtering box 201 is fixedly connected to the side of the purification box 1 away from the liquid discharging pipe 13, the filtering box 201 is fixedly connected with an air inlet pipe 202 at the side away from the purification box 1, and valves are arranged on the liquid adding pipe 12, the liquid discharging pipe 13 and the air inlet pipe 202; the filtering box 201 is inserted with a filter screen 203, the top of the filter screen 203 is fixedly connected with a handle 204, the outer wall of the filter screen 203 is fixedly connected with a sealing gasket 205, the bottom of the sealing gasket 205 is in contact with the top of the filtering box 201, and the outer wall of the filter screen 203 is fixedly connected with a connecting plate 206; the top of the filtering box 201 is fixedly connected with a mounting frame 207, the connecting plate 206 is sleeved in the mounting frame 207, the inner wall of the mounting frame 207 is fixedly connected with a sliding rod 208, the outer wall of the sliding rod 208 is slidably connected with a sliding block 209, and the outer wall of the sliding block 209 is fixedly connected with a spring 210.

[0030] The sliding rod 208 is located inside the spring 210, the top of the sliding block 209 is fixedly connected with a plug rod 211, the outer wall of the plug rod 211 is slidably connected in the mounting frame 207, the bottom of the plug rod 211 is in contact with the top of the connecting plate 206, and the top of the plug rod 211 is fixedly connected with a push rod 212.

[0031] The spraying mechanism 3 comprises an air guide pipe 301, the outer wall of the air guide pipe 301 is fixedly connected in the purification box 1, the air guide pipe 301 communicates with the filtering box 201, air holes 302 are formed in the air guide pipe 301, a motor 303 is fixedly connected to the top of the purification box 1, the output end of the motor 303 is fixedly connected with a worm 304 through a shaft coupling, and a pump body 305 is fixedly connected to the top of the purification box 1.

[0032] One end of the worm 304 away from the motor 303 is fixedly connected with the input shaft of the pump body 305, one side of the pump body 305 away from the worm 304 is fixedly connected with a liquid inlet pipe 306, the outer wall of the liquid inlet pipe 306 is fixedly connected in the purification box 1, the top of the pump body 305 is fixedly connected with a liquid outlet pipe 307, and one end of the liquid outlet pipe 307 away from the pump body 305 is fixedly connected with a rotary joint 308.

[0033] The rotary joint 308 is fixedly connected with the liquid guide pipe 309 away from one end of the liquid delivery pipe 307, the outer wall of the liquid guide pipe 309 is fixedly connected with the worm wheel 310, the worm wheel 310 is engaged with the worm 304, the outer wall of the liquid guide pipe 309 is rotatably connected with the top of the purification tank 1, the bottom of the liquid guide pipe 309 extends into the inside of the purification tank 1, and the bottom of the liquid guide pipe 309 is fixedly connected with the atomizing nozzle 311.

[0034] Therefore, the air pump connected with the air inlet pipe 202 is connected, at this time, the air pump will input the waste gas in the laboratory into the purification tank 1 through the air inlet pipe 202, and the filter screen 203 is filtered, at this time, the dust and impurities in the air can be effectively removed, when the filter screen 203 needs to be replaced, the pull rod 212 can be pulled away from the direction of the connecting plate 206, the pull rod 212 drives the insertion rod 211 to move, so that the insertion rod 211 is separated from the connecting plate 206, the limiting of the connecting plate 206 is released, when the insertion rod 211 moves, the sliding block 209 will move along the sliding rod 208 and compress the spring 210, at this time, the handle 204 is pulled upwards, at this time, the handle 204 drives the filter screen 203 to move upwards, so that the filter screen 203 is separated from the inside of the filter box 201, that is, the disassembly of the filter screen 203 is completed, conversely, the filter screen 203 can be fixed in the filter box 201 again, the problem that the bolt is corroded or corroded due to environmental factors, the bolt is broken or cannot be disassembled can be avoided.

[0035] At the same time, the waste gas will enter the absorption liquid through the exhaust hole 302 on the air guide pipe 301, the absorption liquid will absorb some toxic gases in the waste gas, at the same time, the motor 303 operates to drive the worm 304 to rotate, the worm 304 drives the pump body 305 to operate, so that the absorption liquid at the bottom of the purification tank 1 is sucked from the liquid inlet pipe 306 and is sprayed out from the atomizing nozzle 311 through the liquid delivery pipe 307, the rotary joint 308 and the liquid guide pipe 309, at the same time, the worm 304 drives the worm wheel 310 to rotate, the worm wheel 310 drives the liquid guide pipe 309 to rotate, and the liquid guide pipe 309 drives the atomizing nozzle 311 to rotate, so as to increase the coverage area of the atomizing nozzle 311 and improve the contact area between the absorption liquid and the gas, thereby improving the purification effect of the waste gas.

[0036] In the whole purification process, the filtering mechanism 2 can effectively filter the impurities and dust in the dust, can remove the dust and impurities in the waste gas, and can avoid the dust and impurities from entering the purification tank 1 and mixing with the absorption liquid, so as to prevent the atomizing nozzle 311 from being blocked, and increase the contact area between the waste gas and the absorption liquid through the spraying mechanism 3, so as to ensure that the absorption liquid can fully contact with the waste gas, thereby improving the treatment effect of the waste gas.

[0037] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary, and are not to be interpreted as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A laboratory waste gas purification and treatment device, characterized in that: The device includes a purification chamber, a liquid inlet pipe and a liquid outlet pipe fixedly connected to the outer wall of the purification chamber, a filtration mechanism and a spraying mechanism on the purification chamber, the filtration mechanism including a filter box, the outer wall of the filter box being fixedly connected to the side of the purification chamber away from the liquid outlet pipe, and an air inlet pipe fixedly connected to the side of the filter box away from the purification chamber, and valves are provided on the liquid inlet pipe, the liquid outlet pipe and the air inlet pipe.

2. The laboratory waste gas purification and treatment device according to claim 1, characterized in that: A filter screen is inserted inside the filter box. A handle is fixedly connected to the top of the filter screen. A sealing gasket is fixedly connected to the outer wall of the filter screen. The bottom of the sealing gasket contacts the top of the filter box. A connecting plate is fixedly connected to the outer wall of the filter screen.

3. The laboratory waste gas purification and treatment device according to claim 2, characterized in that: A mounting bracket is fixedly connected to the top of the filter box. The connecting plate is sleeved inside the mounting bracket. A sliding rod is fixedly connected to the inner wall of the mounting bracket. A slider is slidably connected to the outer wall of the sliding rod. A spring is fixedly connected to the outer wall of the slider.

4. The laboratory waste gas purification and treatment device according to claim 3, characterized in that: The slide bar is located inside the spring, and a plug rod is fixedly connected to the top of the slider. The outer wall of the plug rod is slidably connected to the inside of the mounting bracket. The bottom of the plug rod contacts the top of the connecting plate, and a lever is fixedly connected to the top of the plug rod.

5. The laboratory waste gas purification and treatment device according to claim 1, characterized in that: The spraying mechanism includes an air guide pipe, the outer wall of which is fixedly connected to the inside of the purification box. The air guide pipe is connected to the filter box and has an exhaust hole. A motor is fixedly connected to the top of the purification box, and a worm gear is fixedly connected to the output end of the motor through a coupling. A pump body is fixedly connected to the top of the purification box.

6. The laboratory waste gas purification and treatment device according to claim 5, characterized in that: The end of the worm gear away from the motor is fixedly connected to the input shaft of the pump body. An inlet pipe is fixedly connected to the side of the pump body away from the worm gear. The outer wall of the inlet pipe is fixedly connected to the inside of the purification tank. An infusion pipe is fixedly connected to the top of the pump body. A rotary joint is fixedly connected to the end of the infusion pipe away from the pump body.

7. The laboratory waste gas purification and treatment device according to claim 6, characterized in that: The rotary joint is fixedly connected to a liquid guide tube at the end away from the infusion tube. A worm gear is fixedly connected to the outer wall of the liquid guide tube. The worm gear meshes with a worm. The outer wall of the liquid guide tube is rotatably connected to the top of the purification box. The bottom of the liquid guide tube extends into the interior of the purification box. An atomizing nozzle is fixedly connected to the bottom of the liquid guide tube.

8. The laboratory waste gas purification and treatment device according to claim 1, characterized in that: The bottom of the purification box is fixedly connected with casters.

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