Chemical laboratory waste gas treatment device

Abstract

The utility model relates to the field of waste gas treatment, in particular to a chemical laboratory waste gas treatment device which comprises a device body, a gas inlet pipe, a front filter cartridge, an extrusion sieve tray, a first filter screen, a second filter screen, a spraying device, a water tank and a sealing plate. A first filter screen and a second filter screen are sequentially installed in the device body from top to bottom, a spraying device is installed on the top of the inner side of the device body, a sealing plate is installed in the middle of the side end of the device body, and a water tank is installed at the right end of the device body. Waste gas enters from the gas inlet and then sequentially passes through the second filler filled between the first filter screen and the second filter screen and the third filler filled on the upper side of the first filter screen, and harmful substances in the waste gas can be effectively removed through double filtration.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment field, concretely relates to a chemical laboratory waste gas treatment device. BACKGROUND

[0002] The chemical laboratory waste gas treatment device is a kind of equipment specially used to handle harmful waste gas generated in laboratory, to reduce the influence of waste gas on environment and ensure the health safety of laboratory staff.The device is efficiently purified to waste gas by multiple technical means, such as adsorption, filtration, oxidation, decomposition and biodegradation etc., China patent discloses a kind of waste gas treatment device for chemical laboratory (authorized announcement No.CN210021604U), the patent technology can be contacted by the setting of motor box, motor, stirring shaft and activated carbon stirring block, so that the device can increase activated carbon stirring block and waste gas, to improve filterability, but in the waste gas filtration treatment, the filtration effect of waste gas through small aperture space is good, the adsorption efficiency of harmful substances in waste gas is high, the activated carbon stirring block is stirred to form larger gas space, so that the activity area of waste gas increases, and the adsorption effect of harmful substances in waste gas is low.Therefore, the chemical laboratory waste gas treatment device is provided by the person skilled in the art to solve the problems raised in the above background. SUMMARY

[0003] To solve the above technical problems, the utility model provides a kind of chemical laboratory waste gas treatment device, including device main body, intake pipe, front filter cartridge, extrusion sieve tray, filter screen No.1, filter screen No.2, spraying device, water tank and sealing plate, intake pipe is installed in device main body front side bottom, front filter cartridge is installed in intake pipe, extrusion sieve tray is installed in front filter cartridge, filter screen No.1 and filter screen No.2 are installed in device main body from top to bottom in sequence, spraying device is installed in device main body inner side top, sealing plate is installed in the middle position of device main body side end, water tank is installed in device main body right end.

[0004] Preferably, the device main body top is provided with exhaust port, the device main body front side bottom is provided with air inlet, the device main body side end middle position is provided with access hole, the device main body right side bottom is provided with No.1 pipe opening, and the device main body rear side bottom is provided with No.2 pipe opening.

[0005] Preferably, the access hole side end is fixedly installed with sealing plate through No.2 bolt, the air inlet front side is fixedly installed with connecting disc through No.1 bolt, and the connecting disc is installed on the rear side wall of intake pipe.

[0006] Preferably, the connecting disc front side wall is provided with limiting groove, the limiting groove can be clamped with limiting plate, the limiting plate is installed on the outer side wall of front filter cartridge, the outer side wall of limiting plate is connected with sleeve ring, the sleeve ring can be clamped on the outer side wall of intake pipe, the top of front filter cartridge is provided with air hole, and the front filter cartridge can be filled with No.1 filling material, and extrusion is fixed through extrusion sieve tray.

[0007] Preferably, a first guide pipe is installed in the first pipe opening, a right end of the first guide pipe is installed in the third pipe opening, a tail end of the first guide pipe is connected with the water pump, a head end of the first guide pipe is connected with the spraying device, a plurality of spraying heads are installed on the lower side of the spraying device, a second guide pipe is installed in the second pipe opening, and the other end of the second guide pipe is installed in the fourth pipe opening.

[0008] Preferably, a first clamping ring is installed in the first clamping seat, an inner side wall of the first clamping ring is installed with a first filter screen, a second clamping ring is installed in the second clamping seat, an inner side wall of the second clamping ring is installed with a second filter screen, a third filling material is installed on the upper side of the first filter screen, and a second filling material is installed between the first filter screen and the second filter screen.

[0009] The technical effects and advantages of the chemical laboratory waste gas treatment device are as follows:

[0010] 1. The first filling material is filled into the pre-filter cylinder and fixed by extrusion of the extrusion screen disc. The pre-filter cylinder is installed into the air inlet pipe. The limiting plate on the outer side wall of the pre-filter cylinder is clamped into the limiting groove on the front side wall of the air inlet pipe to complete the installation. The pre-filter cylinder can remove large particles and peculiar smell substances in the waste gas, avoid blockage risk, reduce the wear coefficient, protect the subsequent treatment unit, and improve the overall treatment efficiency.

[0011] 2. The waste gas enters the air inlet and then passes through the second filling material filled between the first filter screen and the second filter screen and the third filling material filled on the upper side of the first filter screen. The double filtration can effectively remove harmful substances in the waste gas.

[0012] 3. The spraying of the spraying device makes the spraying liquid contact with the waste gas. The physical and chemical reactions remove the harmful substances in the waste gas. The filler and the spraying device ensure that the waste gas fully contacts with the spraying liquid, thereby improving the purification efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic diagram of a chemical laboratory waste gas treatment device provided by the embodiment of the application;

[0014] Figure 2 is a structural schematic diagram of a chemical laboratory waste gas treatment device provided by the embodiment of the application Figure Two ;

[0015] Figure 3 is a sectional structural schematic diagram of a chemical laboratory waste gas treatment device provided by the embodiment of the application;

[0016] Figure 4 is an explosion structural schematic diagram of a chemical laboratory waste gas treatment device provided by the embodiment of the application;

[0017] Figure 5 is a structure schematic view of a spraying device in a chemical laboratory waste gas treatment device provided by an embodiment of the present application;

[0018] Figure 6 is a partial explosion structure schematic view of a chemical laboratory waste gas treatment device provided by an embodiment of the present application Figure One ;

[0019] Figure 7 is a partial explosion structure schematic view of a chemical laboratory waste gas treatment device provided by an embodiment of the present application Figure Two .

[0020] In the figure: 1, device main body; 2, air inlet pipe; 3, pre-filter cylinder; 4, extrusion sieve disc; 5, No. 1 filter screen; 6, No. 2 filter screen; 7, spraying device; 8, water tank; 9, water pump; 10, No. 2 flow guide pipe; 11, No. 1 filling material; 12, No. 2 filling material; 13, No. 3 filling material; 14, sealing plate; 15, No. 1 bolt; 16, No. 2 bolt; 101, exhaust port; 102, air inlet; 103, maintenance opening; 104, No. 1 pipe opening; 105, No. 2 pipe opening; 106, No. 1 clamping seat; 107, No. 2 clamping seat; 201, connecting disc; 202, limiting groove; 301, air hole; 302, limiting plate; 303, sleeve ring; 501, No. 1 clamping ring; 601, No. 2 clamping ring; 701, spraying head; 702, No. 1 flow guide pipe; 801, No. 3 pipe opening; 802, No. 4 pipe opening. DETAILED DESCRIPTION

[0021] The present application will be further described below in conjunction with the drawings and specific embodiments. The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present application and its practical application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific use.

[0022] EMBODIMENT

[0023] Please refer to Figures 1-7The utility model provides a chemical laboratory waste gas treatment device, including device main part 1, intake pipe 2, prefilter cylinder 3, extrusion sieve tray 4, filter screen 5, filter screen 6, spraying device 7, water tank 8 and sealing plate 14, device main part 1 bottom is installed intake pipe 2 in front side, prefilter cylinder 3 is installed in intake pipe 2, extrusion sieve tray 4 is installed in prefilter cylinder 3, filter screen 5 and filter screen 6 are installed in device main part 1 from top to bottom in turn, spraying device 7 is installed in device main part 1 inside top, sealing plate 14 is installed in the middle position of device main part 1 side end, water tank 8 is installed in device main part 1 right end,

[0024] Specifically, the device main body 1 is provided with an exhaust port 101 at the top, an air inlet 102 at the front bottom, a maintenance port 103 at the middle of the side end, a first pipe opening 104 at the right bottom, a second pipe opening 105 at the back bottom, the maintenance port 103 is fixedly installed with the sealing plate 14 through the second bolt 16 at the side end, the air inlet 102 is fixedly installed with the connecting disc 201 through the first bolt 15 at the front side, the connecting disc 201 is installed on the rear side wall of the intake pipe 2, the front side wall of the connecting disc 201 is provided with a limiting groove 202, the limiting plate 302 can be clamped in the limiting groove 202, the limiting plate 302 is installed on the outer side wall of the prefilter cylinder 3, the outer side wall of the limiting plate 302 is connected with a sleeve ring 303, the sleeve ring 303 can be clamped on the outer side wall of the intake pipe 2, the prefilter cylinder 3 is provided with air holes 301 at the top, the prefilter cylinder 3 can be filled with the first filling material 11, which is fixed by extrusion through the extrusion sieve tray 4, the first flow guide pipe 702 is installed in the first pipe opening 104, the right end of the first flow guide pipe 702 is installed in the third pipe opening 801, the end of the first flow guide pipe 702 is connected with the water pump 9, the first flow guide pipe 702 is connected with the spraying device 7 at the front end, a plurality of spray heads 701 are installed below the spraying device 7, the second flow guide pipe 10 is installed in the second pipe opening 105, the other end of the second flow guide pipe 10 is installed in the fourth pipe opening 802.

[0025] The inner side wall of the device main body 1 is sequentially installed with a first clamping seat 106 and a second clamping seat 107 from top to bottom, the first clamping seat 106 is installed with a first clamping ring 501, the inner side wall of the first clamping ring 501 is installed with the first filter screen 5, the second clamping seat 107 is installed with a second clamping ring 601, the inner side wall of the second clamping ring 601 is installed with the second filter screen 6, the upper side of the first filter screen 5 is installed with a third filling material 13, and the second filling material 12 is installed between the first filter screen 5 and the second filter screen 6.

[0026] The working principle of the utility model is as follows:

[0027] In use a kind of chemical laboratory exhaust gas treatment device, primary filter cartridge 3 is loaded to first packing 11, is fixed by extruding screen disc 4, at this time, primary filter cartridge 3 is loaded into air inlet pipe 2, when the limiting plate 302 of primary filter cartridge 3 outer side wall is installed, limiting groove 202 in the front side wall of air inlet pipe 2 is clamped, by installing primary filter cartridge 3, larger particulate matter and odor material in waste gas can be removed, avoid the risk of blockage, reduce wear coefficient, protect subsequent processing unit, improve overall processing efficiency, waste gas enters from air inlet 102, and then pass through the second packing 12 filled between first screen 5 and second screen 6 and third packing 13 filled on the upper side of first screen 5, by double filtration, harmful substances in waste gas can be effectively removed, and by the spraying effect of spraying device 7, spraying liquid is contacted with waste gas, harmful substances in waste gas are removed by using physical and chemical reactions, packing and spraying device 7 ensure that waste gas is fully contacted with spraying liquid, so as to improve purification efficiency.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to conventional means in the art.

Claims

1. A chemical laboratory waste gas treatment device, characterized in that, The device includes a main body (1), an air inlet pipe (2), a pre-filter cartridge (3), a squeezing screen (4), a first filter (5), a second filter (6), a spraying device (7), a water tank (8), and a sealing plate (14). The air inlet pipe (2) is installed at the bottom front side of the main body (1). The pre-filter cartridge (3) is installed inside the air inlet pipe (2). The squeezing screen (4) is installed inside the pre-filter cartridge (3). The first filter (5) and the second filter (6) are installed inside the main body (1) from top to bottom. The spraying device (7) is installed at the top inside the main body (1). The sealing plate (14) is installed at the middle position of the side end of the main body (1). The water tank (8) is installed at the right end of the main body (1).

2. The chemical laboratory waste gas treatment device according to claim 1, characterized in that, The device body (1) has an exhaust port (101) at the top, an air inlet (102) at the bottom front side, an inspection port (103) at the middle of the side end, a first pipe port (104) at the bottom right side, and a second pipe port (105) at the bottom rear side.

3. The chemical laboratory waste gas treatment device according to claim 2, characterized in that, The side end of the inspection port (103) is fixedly installed to the sealing plate (14) by bolt No. 2 (16), and the front side of the air inlet (102) is fixedly installed to the connecting plate (201) by bolt No. 1 (15). The connecting plate (201) is installed on the rear side wall of the air inlet pipe (2).

4. The chemical laboratory waste gas treatment device according to claim 3, characterized in that, The front side wall of the connecting plate (201) is provided with a limiting groove (202), and a limiting plate (302) can be inserted into the limiting groove (202). The limiting plate (302) is installed on the outer side wall of the front filter cylinder (3). The outer side wall of the limiting plate (302) is connected to a collar (303), and the collar (303) can be inserted into the outer side wall of the air inlet pipe (2).

5. A chemical laboratory waste gas treatment device according to claim 4, characterized in that, The top of the pre-filter cylinder (3) is provided with an air hole (301), and the pre-filter cylinder (3) can be filled with a first filling material (11), which is squeezed and fixed by the extrusion screen (4).

6. A chemical laboratory waste gas treatment device according to claim 2, characterized in that, A first guide pipe (702) is installed inside the first pipe opening (104). The right end of the first guide pipe (702) is installed inside the third pipe opening (801). The end of the first guide pipe (702) is connected to a water pump (9). The first end of the first guide pipe (702) is connected to a spray device (7). Multiple spray heads (701) are installed on the lower side of the spray device (7).

7. A chemical laboratory waste gas treatment device according to claim 2, characterized in that, The No. 2 guide pipe (10) is installed inside the No. 2 pipe port (105), and the other end of the No. 2 guide pipe (10) is installed inside the No. 4 pipe port (802).

8. A chemical laboratory waste gas treatment device according to claim 2, characterized in that, The inner wall of the main body (1) of the device is equipped with a first card holder (106) and a second card holder (107) from top to bottom. A first retaining ring (501) is installed in the first card holder (106). A first filter screen (5) is installed on the inner wall of the first retaining ring (501). A second retaining ring (601) is installed in the second card holder (107). A second filter screen (6) is installed on the inner wall of the second retaining ring (601).

9. A chemical laboratory waste gas treatment device according to claim 8, characterized in that, The No. 3 filler (13) is installed on the upper side of the No. 1 filter (5), and the No. 2 filler (12) is installed between the No. 1 filter (5) and the No. 2 filter (6).

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