Special waste gas filtering device for chemical teaching experiment

Abstract

The utility model relates to the technical field of chemical teaching, and discloses a special waste gas filtering device in a chemical teaching experiment, which comprises a mounting component, a waste gas filtering component, a gas suction pipe, a grip, a rotating bolt and a buckle, the waste gas filtering component is mounted inside the mounting component, the gas suction pipe is mounted at the top of the mounting component, and the grip is mounted on the top of the mounting component. The grip is fixedly connected to the middle of the top of the mounting component, the rotating bolt is rotationally connected to one end of the top of the mounting component, and the buckle is mounted on one side of the rotating bolt. According to the special waste gas filtering device in the chemical teaching experiment, waste gas is sucked into a waste gas filtering part through a gas suction pipe to be treated, the device is conveniently moved by using a grip, waste gas treatment on the chemical experiment at different positions is facilitated, the gas suction pipe can be stored through a buckle when the device is not used, and through the design of a holding rod, the device is convenient to use. The treatment box can be conveniently taken out by using a holding rod, and activated carbon in the treatment box can be replaced through an opening and closing door.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical teaching, in particular to a waste gas filtering device specially used in chemical teaching experiments. Background Art

[0002] A chemical experiment refers to a process in which people control and manipulate chemical substances to achieve specific chemical reactions or study chemical properties. Chemical experiments can help people understand the properties of chemical substances, reaction mechanisms, and the influence of experimental conditions on reaction results. Common chemical experiments include acid-base neutralization reactions, redox reactions, precipitation reactions, coordination reactions, etc.

[0003] According to the publication number CN208320206U, a chemical waste gas treatment device for chemical teaching is disclosed, including an air suction hood and a partition plate, the outer side of the air suction hood is connected to the air suction body through an air suction pipe, and a filter body is installed on the upper side of the air suction body, the upper end of the filter body is connected to the processing body through an air guide pipe, and a supporting bottom plate is fixed on the lower side of the processing body, a sealing plug and an air outlet pipe are arranged on the upper side of the processing body, a filter core is arranged inside the filter body, the lower end of the filter body is connected to the air suction body through a connecting seat, and an internal air pump of the air suction body, and a partition plate is fixed inside the processing body. The chemical waste gas treatment device for chemical teaching is provided with a processing body, and the toxic and harmful gases can be treated by the processing body, thereby effectively solving the problem that some toxic and harmful gases are directly discharged into the atmosphere, which will also cause air pollution.

[0004] However, the above device still has shortcomings. The gas is filtered by the processing body to achieve a protective effect, but the device is installed in a fixed manner as a whole and is difficult to move. In chemical teaching experiments, a gas filtering device that is convenient and easy to move is needed. Secondly, the processing body of the above device is difficult to replace the filter material, which is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a waste gas filtering device specially used in chemical teaching experiments to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste gas filtering device specially used in chemical teaching experiments, comprising a mounting component, a waste gas filtering component, an air intake pipe, a handle, a rotating bolt and a buckle, wherein the waste gas filtering component is mounted inside the mounting component, the air intake pipe is mounted on the top of the mounting component, the handle is fixedly connected to the middle of the top of the mounting component, the rotating bolt is rotatably connected to one end of the top of the mounting component, and the buckle is mounted on one side of the rotating bolt. The waste gas is sucked into the waste gas filtering component through the air intake pipe for treatment. The handle is used to facilitate the movement of the device, which is convenient for waste gas treatment in chemical experiments at different positions, and the buckle can store the air intake pipe when not in use.

[0007] Preferably, the mounting component includes a mounting frame, an air pump, a heat dissipation groove and a guide rail. The air pump is fixedly connected to the inside of the mounting frame. The air pump is opened on both sides of the mounting frame. The guide rail is fixedly connected to the inner wall of the mounting frame. The air pump is used to allow the intake pipe to transport external air to the inside of the exhaust gas filtering component. Heat dissipation grooves are opened on the mounting frames on both sides of the air pump to facilitate heat dissipation of the air pump.

[0008] Preferably, the exhaust gas filtering component includes a treatment box, an air intake pipe, an exhaust pipe, an observation slot, a slide and an opening and closing door. The air intake pipe is arranged at one end of the treatment box, and the exhaust pipe is arranged at the other end of the treatment box. The observation slot is opened at the front of the treatment box, and the slide is opened at the back of the treatment box. The opening and closing door is installed on one side of the air intake pipe. The edge of the air intake pipe is connected to the air pump, so the air pump inputs external exhaust gas into the treatment box, and the exhaust gas is treated by the activated carbon placed inside the treatment box, and then discharged from the exhaust pipe.

[0009] Preferably, the size of the slide groove is consistent with the size of the guide rail, so the processing box can be easily slidably installed through the guide rail.

[0010] Preferably, the observation tank is made of transparent tempered glass, which makes it easy to view the activated carbon reaction inside the processing box from the observation tank and determine whether the activated carbon needs to be replaced.

[0011] Preferably, a mounting hole is provided at one end of the top of the mounting frame, a mounting groove is provided at the top of the processing box, a rotating bolt passes through the mounting hole and is threadedly connected to the mounting groove, and the processing box is fixed by the rotating bolt.

[0012] Preferably, the number of the rotating bolts is two, ensuring a good fixing effect of the processing box.

[0013] Preferably, a handle is fixedly connected to the inside of the observation tank. The design of the handle makes it convenient to use the handle to take out the processing box and replace the activated carbon inside by opening and closing the door.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The exhaust gas filtration device specially used in the chemical teaching experiment sucks the exhaust gas into the exhaust gas filtration component through the suction pipe for treatment. The handle is used to facilitate the movement of the device, which is convenient for exhaust gas treatment in chemical experiments at different locations. The buckle can store the suction pipe when not in use.

[0016] 2. The exhaust gas filtering device specially used in the chemistry teaching experiment is designed with a handle, which makes it convenient to use the handle to take out the treatment box and replace the activated carbon inside by opening and closing the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the installation components of the utility model;

[0019] Figure 3 This is a front view schematic diagram of the exhaust gas filter component of the utility model;

[0020] Figure 4 It is a side schematic diagram of the exhaust gas filtering component of the utility model.

[0021] In the figure: 1. Installation component; 2. Exhaust gas filtering component; 3. Intake pipe; 4. Handle; 5. Rotating bolt; 6. Buckle; 101. Installation frame; 102. Air pump; 103. Heat dissipation slot; 104. Guide rail; 105. Installation hole; 201. Processing box; 202. Intake pipe; 203. Exhaust pipe; 204. Observation slot; 205. Grip; 206. Slide slot; 207. Opening and closing door. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: a waste gas filtering device specially used in chemical teaching experiments, comprising a mounting component 1, a waste gas filtering component 2, an air intake pipe 3, a handle 4, a rotating bolt 5 and a buckle 6. The waste gas filtering component 2 is mounted inside the mounting component 1, the air intake pipe 3 is mounted on the top of the mounting component 1, the handle 4 is fixedly connected to the middle of the top of the mounting component 1, the rotating bolt 5 is rotatably connected to one end of the top of the mounting component 1, and the buckle 6 is mounted on one side of the rotating bolt 5. The waste gas is sucked into the waste gas filtering component 2 through the air intake pipe 3 for treatment. The handle 4 is used to facilitate the movement of the device, which is convenient for waste gas treatment in chemical experiments at different positions. The buckle 6 can store the air intake pipe 3 when not in use.

[0024] The mounting component 1 includes a mounting frame 101, an air pump 102, a heat dissipation groove 103 and a guide rail 104. The air pump 102 is fixedly connected to the inside of the mounting frame 101. The air pump 102 is opened on both sides of the mounting frame 101. The guide rail 104 is fixedly connected to the inner wall of the mounting frame 101. The air intake pipe 3 is used to transport external air to the inside of the exhaust gas filtering component 2 through the air pump 102. The mounting frames 101 on both sides of the air pump 102 are provided with heat dissipation grooves 103 to facilitate heat dissipation of the air pump 102. A mounting hole 105 is opened at one end of the top of the mounting frame 101, and a mounting groove is opened at the top of the processing box 201. The rotating bolt 5 passes through the mounting hole 105 and is threadedly connected to the mounting groove. The processing box 201 is fixed with the rotating bolt 5. The number of the rotating bolts 5 is two to ensure a good fixing effect of the processing box 201.

[0025] The exhaust gas filtering component 2 includes a treatment box 201, an air intake pipe 202, an exhaust pipe 203, an observation slot 204, a slide 206 and an opening and closing door 207. The air intake pipe 202 is arranged at one end of the treatment box 201, and the exhaust pipe 203 is arranged at the other end of the treatment box 201. The observation slot 204 is opened at the front of the treatment box 201, and the slide 206 is opened at the back of the treatment box 201. The opening and closing door 207 is installed on one side of the air intake pipe 202. The air intake pipe 202 is connected to the air pump 102, so that the air pump 102 inputs the external exhaust gas into the treatment box 201, and the exhaust gas in the treatment box 201 is discharged. The activated carbon placed in the part is used for exhaust gas treatment and then discharged from the exhaust pipe 203. The size of the slide groove 206 is consistent with the size of the guide rail 104, so the treatment box 201 can be easily slid and installed through the guide rail 104. The observation groove 204 adopts transparent tempered glass, which is convenient for viewing the reaction of the activated carbon inside the treatment box 201 from the observation groove 204 to determine whether the activated carbon needs to be replaced. The inside of the observation groove 204 is fixedly connected with a handle 205. Through the design of the handle 205, it is convenient to use the handle 205 to take out the treatment box 201, and replace the activated carbon inside by opening and closing the door 207.

[0026] When in use, use the handle 4 to move the device to a suitable position, then place the intake pipe 3 at the exhaust gas discharge location, start the air pump 102, and transport the exhaust gas from the intake pipe 3 to the interior of the treatment box 201, where it is filtered through the activated carbon inside the treatment box 201 and then discharged from the exhaust pipe 203. When the activated carbon needs to be replaced, remove the rotating bolt 5, then use the handle 205 to remove the treatment box 201 from the installation frame 101, and replace the activated carbon by opening and closing the door 207. Similarly, install the treatment box 201 again along the guide rail 104.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste gas filtering device for use in chemical teaching experiments, comprising a mounting component (1), a waste gas filtering component (2), an air intake pipe (3), a handle (4), a rotating bolt (5) and a buckle (6), characterized in that: The exhaust gas filtering component (2) is installed inside the mounting component (1), the intake pipe (3) is installed on the top of the mounting component (1), the handle (4) is fixedly connected to the middle of the top of the mounting component (1), the rotating bolt (5) is rotatably connected to one end of the top of the mounting component (1), and the buckle (6) is installed on one side of the rotating bolt (5).

2. The exhaust gas filtering device used in a chemical teaching experiment according to claim 1 is characterized in that: The installation component (1) comprises an installation frame (101), an air pump (102), a heat dissipation slot (103) and a guide rail (104); the air pump (102) is fixedly connected to the inside of the installation frame (101); the air pump (102) is provided on both sides of the installation frame (101); and the guide rail (104) is fixedly connected to the inner wall of the installation frame (101).

3. The exhaust gas filtering device used in a chemical teaching experiment according to claim 2 is characterized in that: The exhaust gas filtering component (2) comprises a processing box (201), an air intake pipe (202), an exhaust pipe (203), an observation slot (204), a slide slot (206) and an opening and closing door (207); the air intake pipe (202) is arranged at one end of the processing box (201), the exhaust pipe (203) is arranged at the other end of the processing box (201), the observation slot (204) is opened at the front of the processing box (201), the slide slot (206) is opened at the back of the processing box (201), and the opening and closing door (207) is installed on one side of the air intake pipe (202).

4. The exhaust gas filtering device used in a chemical teaching experiment according to claim 3 is characterized in that: The size of the slide groove (206) is consistent with the size of the guide rail (104).

5. The exhaust gas filtering device used in a chemical teaching experiment according to claim 4 is characterized in that: The observation tank (204) is made of transparent tempered glass.

6. The exhaust gas filtering device used in a chemical teaching experiment according to claim 5 is characterized in that: A mounting hole (105) is provided at one end of the top of the mounting frame (101), a mounting groove is provided at the top of the processing box (201), and a rotating bolt (5) passes through the mounting hole (105) and is threadedly connected to the mounting groove.

7. The exhaust gas filtering device used in chemical teaching experiments according to claim 6 is characterized in that: The number of the rotating bolts (5) is two.

8. The exhaust gas filtering device used in chemical teaching experiments according to claim 7 is characterized in that: A grip rod (205) is fixedly connected to the interior of the observation slot (204).

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