Test bed with chemical experiment ventilation and filtration functions

Abstract

The utility model discloses a test bed with chemical experiment ventilating and filtering functions, which comprises a test table, an exhaust fan and a collecting box are fixedly mounted at the bottom of the test table, an exhaust opening of the exhaust fan is fixedly connected with the collecting box and is communicated with the inside of the collecting box, a first air suction disc is fixedly mounted at the top of the test table, and a second air suction disc is fixedly mounted at the bottom of the test table. A supporting pipe communicated with the first air suction disc is fixedly installed at the top of the first air suction disc, a second air suction disc communicated with the supporting pipe is fixedly installed at the top of the supporting pipe, air suction holes which are evenly distributed are formed in the first air suction disc and the second air suction disc, and a collecting pipe is fixedly installed at the bottom of the first air suction disc. According to the chemical experiment table, gas which is generated in a chemical experiment on the test table and is easy to rise can be collected, so that the chemical experiment table is suitable for collecting harmful gas generated in different chemical experiments, ventilation is kept, and the safety of the test table during the chemical experiment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical test bench technical field more specifically, relate to a test bench with chemical experiment ventilation filtration function. BACKGROUND

[0002] It is mainly used for chemical experiment. Its table top usually adopts acid and alkali corrosion resistant material, such as epoxy resin table top. In chemical synthesis experiment, this test bench can resist the erosion of various strong acid and strong alkali, prevent the table top from being damaged, and the chemical test bench is generally equipped with ventilation device, because toxic and harmful gas is often generated in chemical experiment, the ventilation device can timely discharge these gases from the laboratory, guarantee the safety of experimental personnel.

[0003] When carrying out chemical experiment, the gas generated due to its physical property and air difference often sinks or floats, and the ventilation device on most test benches can only increase the wind power to expand the collection range, but there is still gas dispersion, leading to harmful gas existing in the laboratory, and there is a security risk. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a test bench with chemical experiment ventilation filtration function to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme.

[0006] A test bench with chemical experiment ventilation filtration function, comprising a test table, a suction fan and a collection box are fixedly installed at the bottom of the test table, the suction port of the suction fan is fixedly connected with the collection box and communicates with the inside of the collection box, a first air suction disc is fixedly installed at the top of the test table, a support pipe in communication with the first air suction disc is fixedly installed at the top of the first air suction disc, a second air suction disc in communication with the support pipe is fixedly installed at the top of the support pipe, air suction holes uniformly distributed are formed in the first air suction disc and the second air suction disc, a collection pipe is fixedly installed at the bottom of the first air suction disc, and the other end of the collection pipe is fixedly connected with the collection box and communicates with the inside of the collection box.

[0007] Further description of the above technical scheme is as follows.

[0008] The first air suction disc and the second air suction disc are rotatably connected with baffles, and through holes in communication with the air suction holes are formed in the baffles.

[0009] Further description of the above technical scheme is as follows.

[0010] The support pipe is composed of a corrugated metal pipe and a rubber hose, the rubber hose is located in the corrugated metal pipe, and the corrugated metal pipe and the rubber hose are fixedly connected with the first air suction disc and the second air suction disc at two ends.

[0011] As a further description of the above technical solution:

[0012] The cross-sectional shape of the first air suction disc and the second air suction disc is a circular truncated cone.

[0013] As a further description of the above technical solution:

[0014] The inside of the collecting box is filled with a liquid absorbent, and the liquid absorbent is one of an alkaline solution, an acidic solution and a reducing solution.

[0015] As a further description of the above technical solution:

[0016] One end of the collecting pipe fixedly installed inside the collecting box is provided with a dispersion nozzle.

[0017] Compared with the prior art, the advantages of the utility model lie in:

[0018] The scheme can collect the gas generated by chemical experiments on the test table, thereby adapting to the collection of harmful gas generated in different chemical experiments, maintaining ventilation, and improving the safety of the test table during chemical experiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a front view sectional structure schematic view of the utility model;

[0021] Figure 3 It is a front view sectional structure schematic view of the utility model; Figure 1 It is an enlarged structure schematic view of A part of the utility model;

[0022] Figure 4 It is an enlarged structure schematic view of B part of the utility model. Figure 2

[0023] Explanation of reference numerals in the drawing:

[0024] 1, test table; 2, air suction machine; 3, collecting box; 4, first air suction disc; 5, support pipe; 51, corrugated metal pipe; 52, rubber hose; 6, second air suction disc; 7, air suction hole; 8, collecting pipe; 9, baffle; 91, through hole; 10, dispersion nozzle. DETAILED DESCRIPTION

[0025] ​The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0026] Please refer to Figures 1-4 In the utility model, a test table with chemical experiment ventilation filtering function, including test table 1, test table 1's bottom fixed mounting has suction fan 2 with collection box 3, suction fan 2's suction port passes through with collection box 3 fixed connection and with collection box 3's inside intercommunication, test table 1's top fixed mounting has first air suction disc 4, first air suction disc 4's top fixed mounting has with its intercommunication support pipe 5, support pipe 5's top fixed mounting has with its intercommunication second air suction disc 6, first air suction disc 4 with second air suction disc 6 all are set up and are evenly distributed air suction hole 7, first air suction disc 4's bottom fixed mounting has collection pipe 8, collection pipe 8's other end with collection box 3 fixed connection and with collection box 3's inside intercommunication.

[0027] In the utility model, when carrying out chemical experiment, suction fan 2 is electrified and works, makes the inside of collection box 3 produce negative pressure, first air suction disc 4, support pipe 5, second air suction disc 6 all with collection pipe 8 intercommunication, thereby through first air suction disc 4 with second air suction disc 6 on the air suction hole 7 of experiment table 1 on the experiment when the gas generated is inhaled, wherein first air suction disc 4 can collect the gas generated easily in chemical experiment on test table 1, wherein second air suction disc 6 can collect the gas generated easily in chemical experiment on test table 1, thereby adapt to the harmful gas collection generated in different chemical experiments, keep ventilation, improve the safety of test table when carrying out chemical experiment.

[0028] Please refer to Figures 1-4 Wherein: first air suction disc 4 with second air suction disc 6 all are rotatably connected with baffle 9, baffle 9 is set up and is communicated with the through hole 91 of air suction hole 7 on the corresponding.

[0029] In the utility model, by rotating baffle 9, utilize the intercommunication and dislocation of through hole 91 on baffle 9 with air suction hole 7, can control the opening and closing of air suction hole 7 on first air suction disc 4 and second air suction disc 6, thereby according to the adjustment of the gas generated in experiment, avoid the airflow to disturb the collection and filtration of gas.

[0030] Please refer to Figure 2 With Figure 4 Wherein: support pipe 5 is composed of corrugated metal pipe 51 and rubber hose 52, rubber hose 52 is located in corrugated metal pipe 51, and the two ends of corrugated metal pipe 51 and rubber hose 52 are fixedly connected with first air suction disc 4 and second air suction disc 6.

[0031] The utility model discloses, through the corrugated metal pipe 51 has certain support function, and corrugated metal pipe 51 is convenient to bend simultaneously, and rubber hose 52 guarantees air tightness, avoids the gas leakage when the corrugated metal pipe 51 breaks down after multiple bending, can be convenient according to the aspiration demand, adjusts the position, height and angle of second air suction disc 6, thereby improve the collection effect to gas.

[0032] Please refer to Figures 1-4 Among them: the cross section shape of first air suction disc 4 and second air suction disc 6 is all circular truncated cone shape.

[0033] The utility model discloses, through circular truncated cone shape can correspond to the gas absorption of experimental gas generation source, and it is convenient to install, improve the aesthetic degree.

[0034] Please refer to Figure 2 Among them: the inside of collection box 3 is filled with liquid absorbent, and the liquid absorbent is one of alkaline solution, acid solution and reducing solution.

[0035] The utility model discloses, liquid absorbent can carry out harmless treatment to the gas produced in chemical experiment, and specifically according to the gas type produced in experiment adopts alkaline solution, acid solution and reducing solution.

[0036] Please refer to Figure 2 Among them: the one end fixed mounting of collection pipe 8 inside collection box 3 is equipped with dispersion spray head 10.

[0037] The utility model discloses, through dispersion spray head 10, the gas that the collection can be dispersed in liquid absorbent, improves absorption reaction efficiency.

[0038] The above, only for the preferable specific implementation mode of the utility model, but the protection scope of the utility model does not limit to this. Any skilled person in the art in the technical range disclosed in the utility model, according to the technical scheme of the utility model and its improvement conception, carries out equivalent replacement or change, should cover in the protection scope of the utility model.

Claims

1. A test bench with a chemical experiment ventilation filtering function, comprising a test table (1), characterized in that: The bottom of the test table (1) is fixedly provided with an air extractor (2) and a collecting box (3), the air extraction opening of the air extractor (2) is fixedly connected with the collecting box (3) and communicates with the inside of the collecting box (3), the top of the test table (1) is fixedly provided with a first air suction disc (4), the top of the first air suction disc (4) is fixedly provided with a support pipe (5) communicating therewith, the top of the support pipe (5) is fixedly provided with a second air suction disc (6) communicating therewith, the first air suction disc (4) and the second air suction disc (6) are both provided with uniformly distributed air suction holes (7), the bottom of the first air suction disc (4) is fixedly provided with a collecting pipe (8), the other end of the collecting pipe (8) is fixedly connected with the collecting box (3) and communicates with the inside of the collecting box (3).

2. The test bench with the chemical experiment ventilation and filtration functions according to claim 1, characterized in that: The first air suction disc (4) and the second air suction disc (6) are both rotatably connected with a baffle (9), the baffle (9) is provided with a through hole (91) corresponding to the air suction hole (7).

3. The test bench with the chemical experiment ventilation and filtration functions according to claim 1, characterized in that: The support pipe (5) is composed of a corrugated metal pipe (51) and a rubber hose (52), the rubber hose (52) is located in the corrugated metal pipe (51), and the corrugated metal pipe (51) and the rubber hose (52) are both fixedly connected with the first air suction disc (4) and the second air suction disc (6).

4. The test bench with the chemical experiment ventilation and filtration functions according to claim 1, characterized in that: The cross-sectional shape of the first air suction disc (4) and the second air suction disc (6) is both a circular truncated cone.

5. The test bench with the chemical experiment ventilation and filtration functions according to claim 1, characterized in that: The inside of the collecting box (3) is filled with a liquid absorbent, the liquid absorbent is one of an alkaline solution, an acidic solution and a reducing solution.

6. The test bench with the chemical experiment ventilation and filtration functions according to claim 1, characterized in that: The end of the collecting pipe (8) inside the collecting box (3) is fixedly provided with a dispersion nozzle (10). The first air suction disc (4) and the second air suction disc (6) are both rotatably connected with a baffle (9), the baffle (9) is provided with a through hole (91) corresponding to the air suction hole (7).

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