Comprehensive integrated exhaust box for waste gas treatment of physicochemical laboratory

Abstract

The utility model discloses a comprehensive integrated exhaust box for waste gas treatment in a physicochemical laboratory, which comprises an exhaust box, the exhaust box comprises a box body, box doors and an air inlet, the box doors are hinged on two sides of the box body, and the air inlet is arranged at one end of the box body; the material changing assembly comprises a partition plate, supporting plates, an electric push rod, a sealing plate, a U-shaped limiting rod and a rotating shaft, the partition plate is fixed to the middle of the end, close to the air inlet, of the box body and connected with the air inlet, the supporting plates are fixed to the two sides of the interior of the air inlet, one end of the electric push rod is fixed to the supporting plates, and the sealing plate is hinged to the end, close to the air inlet, of the partition plate; the U-shaped limiting rod fixes the middle of the sealing plate, and the rotating shaft is fixed to the movable end of the electric push rod and movably connected to the inner side of the U-shaped limiting rod. The problems that activated carbon in an exhaust box needs to be replaced regularly to guarantee the adsorption effect, but equipment needs to be shut down when the activated carbon is replaced, normal waste gas treatment is affected, and then normal operation of an experiment is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of exhaust box, especially to a comprehensive integrated exhaust box for waste gas treatment in physical and chemical laboratory. BACKGROUND

[0002] The comprehensive integrated exhaust box for waste gas treatment in physical and chemical laboratory is a waste gas treatment equipment integrated with multiple functions, aiming at effectively treating various waste gases generated in physical and chemical laboratory and ensuring that the emission meets environmental protection standards. The exhaust box in physical and chemical laboratory usually has an activated carbon tank, a light oxygen catalytic tank and a fan chamber.

[0003] The activated carbon in the exhaust box needs to be replaced regularly to ensure the adsorption effect, but the equipment needs to be shut down when replacing the activated carbon, which affects the normal waste gas treatment and further affects the normal operation of the experiment, so a comprehensive integrated exhaust box for waste gas treatment in physical and chemical laboratory is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a comprehensive integrated exhaust box for waste gas treatment in physical and chemical laboratory to solve the problem that the activated carbon in the exhaust box needs to be replaced regularly to ensure the adsorption effect, but the equipment needs to be shut down when replacing the activated carbon, which affects the normal waste gas treatment and further affects the normal operation of the experiment.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a comprehensive integrated exhaust box for waste gas treatment in physical and chemical laboratory, comprising:

[0007] The exhaust box comprises a box body, a box door and an air inlet, the box door is hinged on both sides of the box body, and the air inlet is arranged at one end of the box body;

[0008] The material replacement assembly comprises a partition plate, a support plate, an electric push rod, a sealing plate, a U-shaped limiting rod and a rotating shaft, the partition plate is fixed at the middle part of one end of the box body close to the air inlet and connected with the air inlet, the support plate is fixed on both sides of the air inlet, one end of the electric push rod is fixed on the support plate, the sealing plate is hinged at one end of the partition plate close to the air inlet, the U-shaped limiting rod is fixed at the middle part of the sealing plate, the rotating shaft is rotatably connected with the movable end of the electric push rod and movably connected with the inner side of the U-shaped limiting rod.

[0009] Further, the material replacement assembly further comprises a sealing gasket, and the sealing gasket is fixed on the side edge of the sealing plate.

[0010] Further, the partition plate is located in the middle part of the air inlet, and one sealing plate is hinged on each side of the partition plate.

[0011] Further, the exhaust box further comprises an activated carbon box, the activated carbon box is two, and is respectively inserted on two sides of the box body and located in the box door.

[0012] Further, the leak-proof assembly comprises a fixed plate and a baffle, the fixed plate is fixed in the inside of the box body and located on both sides of the inside of the box door, and the baffle is rotationally connected to the side of the fixed plate.

[0013] Further, the leak-proof assembly further comprises a connecting shaft and a torsional spring, the connecting shaft is fixed to the side of the fixed plate and the side of the baffle, and the torsional spring is sleeved on both ends of the connecting shaft and fixed to the side of the fixed plate and the side of the baffle.

[0014] Further, the baffle is movably connected to the inside of the box body and the side of the activated carbon box.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] Firstly, when the activated carbon needs to be replaced, the electric push rod on the side of the activated carbon to be replaced is started, the electric push rod is driven to contract, the rotating shaft is driven to move in the U-shaped limiting rod, and then the sealing plate is driven to rotate to close half of the air inlet, waste gas enters from the other half of the air inlet, passes through the activated carbon box on the other side of the baffle, and flows to the light-oxygen catalytic box, so that the activated carbon can be replaced without affecting the use of the exhaust box.

[0017] Secondly, when the sealing plate on one side of the baffle is closed, the box door is opened, and the activated carbon box is pulled out, the baffle is rotated around the connecting shaft of the fixed plate under the action of the torsional spring, and the two baffles close the opening on the back side of the box door, so that the waste gas flowing to the light-oxygen catalytic box is prevented from flowing back to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0019] Figure 1 It is the overall structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram of the material replacing assembly of the utility model;

[0021] Figure 3 It is the leak-proof assembly of the utility model; Figure 2 It is the enlarged view of A in the middle;

[0022] Figure 4 It is the leakage-proof assembly structure diagram of the utility model;

[0023] Figure 5 It is the leakage-proof assembly structure diagram of the utility model; Figure 4 The enlarged view of B;

[0024] Figure 6 It is the schematic view after the active carbon tank is pulled out of the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 10, tank body; 11, tank door; 12, air inlet; 13, active carbon tank; 20, partition; 21, support plate; 22, electric push rod; 23, sealing plate; 24, sealing gasket; 25, U-shaped limiting rod; 26, rotating shaft; 30, fixed plate; 31, connecting shaft; 32, torsional spring; 33, baffle. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0028] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0030] Please refer to Figures 1-3 The embodiment is a comprehensive integrated exhaust box for waste gas treatment in a physical and chemical laboratory, which comprises:

[0031] The exhaust box comprises a tank body 10, a tank door 11 and an air inlet 12, the tank door 11 is hinged on both sides of the tank body 10, and the air inlet 12 is arranged at one end of the tank body 10;

[0032] The exhaust box further comprises two active carbon tanks 13, which are respectively inserted into both sides of the tank body 10 and located in the tank door 11;

[0033] The tank body 10 is used for treating waste gas, the tank door 11 has a sealing function, the air inlet 12 is used for introducing waste gas into the tank body 10, and the active carbon tank 13 is used for adsorbing part of harmful gas.

[0034] The refueling assembly comprises a partition plate 20, a support plate 21, an electric push rod 22, a sealing plate 23, a U-shaped limiting rod 25 and a rotating shaft 26. The partition plate 20 is fixed to the middle part of one end of the box body 10 close to the air inlet 12 and is connected with the air inlet 12. The support plate 21 is fixed to the inside of the air inlet 12. The electric push rod 22 is fixed to one end of the support plate 21. The sealing plate 23 is hingedly connected to one end of the partition plate 20 close to the air inlet 12. The U-shaped limiting rod 25 is fixed to the middle part of the sealing plate 23. The rotating shaft 26 is rotatably connected to the movable end of the electric push rod 22 and is movably connected to the inside of the U-shaped limiting rod 25.

[0035] The refueling assembly further comprises a sealing gasket 24 fixed to the side edge of the sealing plate 23.

[0036] The partition plate 20 is located in the middle part of the air inlet 12. The partition plate 20 is hingedly connected with a sealing plate 23 on both sides.

[0037] The partition plate 20 plays a partitioning role. The support plate 21 plays a supporting role. The electric push rod 22 can realize position change. The sealing plate 23 plays a closing role. The sealing gasket 24 can avoid air leakage. The U-shaped limiting rod 25 plays a limiting role. The rotating shaft 26 plays a connecting role.

[0038] Working principle:

[0039] When it is necessary to replace the activated carbon, the electric push rod 22 on the side requiring replacement of the activated carbon is started to drive the electric push rod 22 to retract, drive the rotating shaft 26 to move in the U-shaped limiting rod 25 and further drive the sealing plate 23 to rotate to close one half of the air inlet 12. Waste gas enters from the other half of the air inlet 12, passes through the activated carbon tank 13 on the other side of the partition plate 20 and flows to the rear light oxygen catalytic tank.

[0040] This step replaces the activated carbon without affecting the use of the exhaust tank.

[0041] Please refer to Figures 4-6 The embodiment is based on the above-mentioned embodiment and further comprises:

[0042] The leakage prevention assembly comprises a fixed plate 30 and a baffle 33. The fixed plate 30 is fixed to the inside of the box body 10 and is located on both sides of the inside of the box door 11. The baffle 33 is rotatably connected to the side edge of the fixed plate 30.

[0043] The leakage prevention assembly further comprises a connecting shaft 31 and a torsional spring 32. The connecting shaft 31 is fixed to the side edge of the fixed plate 30 and is fixed to the side edge of the baffle 33. The torsional spring 32 is sleeved on both ends of the connecting shaft 31. One end of the torsional spring 32 is fixed to the side edge of the fixed plate 30 and the other end is fixed to the side edge of the baffle 33.

[0044] The baffle 33 is movably connected to the inside of the box body 10 and the side edge of the activated carbon tank 13.

[0045] The fixed plate 30 supports, the connecting shaft 31 facilitates the rotation of the baffle 33, the torsion spring 32 has a reset function, and the baffle 33 has a sealing function.

[0046] Working principle:

[0047] When the baffle 23 on one side of the partition 20 is closed, the box door 11 is opened, and the activated carbon box 13 is pulled out.

[0048] This step, to some extent, avoids the backflow of waste gas flowing into the photo-oxidation catalytic box.

[0049] In the description of the utility model, it should be explained that, unless there is an explicit provision and limitation, the terms "set", "install", "connect" and "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0050] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A comprehensive integrated exhaust box for treating waste gas in a physical and chemical laboratory, characterized in that, The utility model relates to a kind of active carbon box and exhaust box, including: Exhaust box, the exhaust box includes box (10), box door (11) and air inlet (12), the box door (11) is hinged in box (10) both sides, air inlet (12) is opened in one end of box (10); Refueling assembly, the refueling assembly includes partition (20), support plate (21), electric push rod (22), sealing plate (23), U-shaped limiting rod (25) and rotating shaft (26), the partition (20) is fixed in one end of box (10) near air inlet (12) middle part, and is connected with air inlet (12), support plate (21) is fixed in air inlet (12) inside both sides electric push rod (22) one end is fixed on support plate (21), sealing plate (23) is hinged in one end of partition (20) near air inlet (12), U-shaped limiting rod (25) is fixed sealing plate (23) middle part, rotating shaft (26) is rotatably connected in electric push rod (22) movable end, and movably connected in U-shaped limiting rod (25) inner side.

2. The integrated exhaust box for treating waste gas in a physical and chemical laboratory according to claim 1, characterized in that, The refueling assembly further includes a gasket (24), and the gasket (24) is fixed to the side edge of the sealing plate (23).

3. The integrated exhaust box for treating waste gas in a physical and chemical laboratory according to claim 1, characterized in that, The partition (20) is located in the middle of the air inlet (12), and a sealing plate (23) is hinged to each side of the partition (20).

4. The integrated exhaust box for treating waste gas in a physical and chemical laboratory according to claim 1, characterized in that, The exhaust box further includes two active carbon boxes (13), which are respectively inserted into the two sides of the box (10) and located inside the box door (11).

5. The integrated exhaust box for treating waste gas in a physical and chemical laboratory according to claim 1, characterized in that, The utility model further includes a leakage prevention assembly, which includes a fixed plate (30) and a baffle (33).

6. The integrated exhaust box for treating waste gas in a physical and chemical laboratory according to claim 5, characterized in that, The leakage prevention assembly further includes a connecting shaft (31) and a torsional spring (32).

7. The integrated exhaust box for treating waste gas in a physical and chemical laboratory according to claim 5, characterized in that, The baffle (33) is movably connected to the inner side of the box (10) and the side edge of the active carbon box (13).

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