Automatic exhaust device for purifying laboratory

Abstract

The utility model discloses a purification laboratory automatic exhaust device which comprises a cabinet body, a right barrel, a left barrel, a partition plate and an activated carbon plate are fixedly connected in the cabinet body, the top of the right barrel is fixedly connected with a sucking pump, the front side wall of the sucking pump is fixedly connected with an air inlet pipe, the bottom of the sucking pump is fixedly connected with a right air pipe, and the right air pipe is fixedly connected with an air outlet pipe. And a right liquid level meter is fixedly connected to the inner circumferential surface of the right barrel. By arranging the cabinet body, the right barrel, the sucking pump, the gas inlet pipe, the right gas pipe, the right liquid level meter, the connecting pipe, the left barrel, the left liquid level meter, the left gas pipe, the partition plate, the activated carbon plate, the exhaust fan and the gas outlet pipe, the right barrel and the left barrel are additionally arranged in the cabinet body and are filled with a sodium hydroxide solution and a sulfuric acid solution respectively, and acid gas and alkaline gas in a laboratory can be absorbed; and then the activated carbon is used for re-filtering, so that the purification effect of the gas in the laboratory is greatly improved, and the purification is more comprehensive.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental exhaust technology field especially relates to a purification laboratory automatic exhaust device. BACKGROUND

[0002] Laboratory is the place of experiment, can carry out various experiments in the laboratory, and along with different experiments, will produce various different gas, some harmful, some irritating smell, some will produce a large amount of flue gas, cause the air in the laboratory to be polluted frequently, therefore need timely and long time to ensure laboratory ventilation. But long time ventilation also can make the experiment not to continue long time to carry out, is not conducive to the experiment, therefore the laboratory will install exhaust device, filters indoor gas and exports quickly.

[0003] The inside of the existing exhaust device is generally made of activated carbon plate as filter material, but the filtering capacity of activated carbon plate is limited, and various different types of gas in the laboratory cannot be more comprehensively purified. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of purification laboratory automatic exhaust devices, right bucket and left bucket are additionally provided in the inside of cabinet, and sodium hydroxide solution and sulfuric acid solution are filled in respectively, acidic gas and basic gas in laboratory can be absorbed, then re-filtering is carried out using activated carbon, greatly improve the purification effect of gas in laboratory, make purification more comprehensive, sodium hydroxide solution and sulfuric acid solution in bucket can be detected, and solution replacement can be carried out in time in the case where the acidity and alkalinity is insufficient.

[0005] To achieve the above object, provide a kind of purification laboratory automatic exhaust device, comprising: cabinet, the inside of the cabinet is fixedly connected with right bucket, left bucket, baffle and activated carbon plate, the top of the right bucket is fixedly connected with suction pump, the front side wall of the suction pump is fixedly connected with air inlet pipe, the bottom of the suction pump is fixedly connected with right gas pipe, the inside circumferential surface of the right bucket is fixedly connected with right liquid level meter, the top of the right bucket is fixedly connected with connecting pipe, the inner circumferential surface of the left bucket is fixedly connected with left liquid level meter, the top of the left bucket is fixedly connected with left gas pipe, the top of the left gas pipe is fixedly connected with baffle, the activated carbon plate is located above baffle, a plurality of small holes are distributed in matrix on the activated carbon plate, the inside top surface of the cabinet is fixedly connected with exhaust fan, the top of the cabinet is fixedly connected with air outlet pipe.

[0006] According to the automatic exhaust device of the laboratory of purification, the top of the right bucket and the left bucket is fixedly connected with non-invasive pH sensor, and the number of non-invasive pH sensor is two.

[0007] According to the automatic air exhaust device for purifying laboratory, the inside of the right barrel is filled with sodium hydroxide solution, and the inside of the left barrel is filled with sulfuric acid solution.

[0008] According to the automatic air exhaust device for purifying laboratory, the circumferential surface of the right barrel and the left barrel is fixedly connected with liquid inlet pipes and liquid outlet pipes, and the liquid inlet pipes and the liquid outlet pipes penetrate the front side wall of the cabinet body, the number of the liquid inlet pipes and the liquid outlet pipes is two, and the liquid inlet pipes and the liquid outlet pipes are provided with valves.

[0009] According to the automatic air exhaust device for purifying laboratory, the front side wall of the cabinet body is fixedly connected with an operation display panel, and the air suction pump, the right liquid level meter, the left liquid level meter, the non-invasive pH sensor and the air exhaust fan are electrically connected with the operation display panel.

[0010] According to the automatic air exhaust device for purifying laboratory, the inside of the air inlet pipe is fixedly connected with a filter screen, and the air inlet pipe penetrates the front side wall of the cabinet body.

[0011] According to the automatic air exhaust device for purifying laboratory, the bottom of the right air pipe is deep into the inside of the right barrel, and the part of the connecting pipe in the left barrel is deep into the inside of the left barrel.

[0012] The above-mentioned scheme has the beneficial effects of:

[0013] 1. By arranging the cabinet body, the right barrel, the air suction pump, the air inlet pipe, the right air pipe, the right liquid level meter, the connecting pipe, the left barrel, the left liquid level meter, the left air pipe, the partition plate, the activated carbon plate, the air exhaust fan and the air outlet pipe, the right barrel and the left barrel are additionally arranged in the cabinet body, and the inside of the right barrel is filled with sodium hydroxide solution and the inside of the left barrel is filled with sulfuric acid solution, so that the acidic gas and the alkaline gas in the laboratory can be absorbed, and then the activated carbon is used for re-filtering, thereby greatly improving the purification effect of the gas in the laboratory and making the purification more comprehensive.

[0014] 2. By arranging the non-invasive pH sensor, the liquid inlet pipe and the liquid outlet pipe, the sodium hydroxide solution and the sulfuric acid solution in the barrels can be monitored, and the solution can be replaced in time in the case that the acidity and alkalinity is insufficient.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and embodiments.

[0017] Figure 1 It is a front view of the automatic air exhaust device for purifying laboratory;

[0018] Figure 2A section view of the automatic air exhaust device for a purification laboratory of the utility model;

[0019] Figure 3 A left barrel and right barrel section view of the automatic air exhaust device for a purification laboratory of the utility model;

[0020] Figure 4 A front view of the automatic air exhaust device for a purification laboratory of the utility model.

[0021] Legend:

[0022] 1, cabinet; 2, right barrel; 3, air suction pump; 4, air inlet pipe; 5, right air pipe; 6, right liquid level meter; 7, connecting pipe; 8, left barrel; 9, left liquid level meter; 10, left air pipe; 11, partition; 12, activated carbon plate; 13, exhaust fan; 14, air outlet pipe; 15, non-invasive pH sensor; 16, liquid inlet pipe; 17, liquid outlet pipe; 18, operation display panel. Specific embodiments

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figures 1-4 , the utility model discloses an automatic air exhaust device for a purification laboratory, it includes: cabinet 1, the inside fixed connection of cabinet 1 has right barrel 2, left barrel 8, partition 11 and activated carbon plate 12, the top of right barrel 2 is fixedly connected with air suction pump 3, the front side wall of air suction pump 3 is fixedly connected with air inlet pipe 4, the inside fixed connection of air inlet pipe 4 has filter screen, avoids bulky object to block air inlet pipe 4, air inlet pipe 4 penetrates the front side wall of cabinet 1, the bottom of air suction pump 3 is fixedly connected with right air pipe 5, the bottom of right air pipe 5 is in-depth in the inside of right barrel 2, the inside circumference of right barrel 2 is fixedly connected with right liquid level meter 6, for monitoring right barrel 2 inside liquid level height, avoids adding excessively, the top of right barrel 2 is fixedly connected with connecting pipe 7, the part of connecting pipe 7 in left barrel 8 is in-depth in the inside of left barrel 8, the inside circumference of left barrel 8 is fixedly connected with left liquid level meter 9, for monitoring left barrel 8 inside liquid level height, avoids adding excessively, the top of left barrel 8 is fixedly connected with left air pipe 10, the top of left air pipe 10 is fixedly connected with partition 11, activated carbon plate 12 is located above partition 11, a plurality of small holes are distributed in matrix on activated carbon plate 12, for filtering the gas entering again, the inside top surface of cabinet 1 is fixedly connected with exhaust fan 13, the top of cabinet 1 is fixedly connected with air outlet pipe 14, when starting exhaust fan 13, the gas filtered after activated carbon plate 12 can be quickly exhausted from cabinet 1.

[0025] The top of the right barrel 2 and the left barrel 8 is fixedly connected with two non-invasive pH sensors 15, the inside of the right barrel 2 is filled with sodium hydroxide solution, the inside of the left barrel 8 is filled with sulfuric acid solution, and the non-invasive pH sensors 15 can monitor the pH value inside the right barrel 2 and the left barrel 8, so that the device has the ability to purify acidic and alkaline gases, thereby making the purification function of the device more comprehensive and effective.

[0026] The circumferential surface of the right barrel 2 and the left barrel 8 is fixedly connected with a liquid inlet pipe 16 and a liquid outlet pipe 17, and penetrates the front side wall of the cabinet 1, the number of the liquid inlet pipe 16 and the liquid outlet pipe 17 is two, and the liquid inlet pipe 16 and the liquid outlet pipe 17 are provided with valves, when the pH value in the right barrel 2 or the left barrel 8 tends to be neutral, the liquid can be discharged and then new liquid can be injected, the front side wall of the cabinet 1 is fixedly connected with an operation display panel 18, the air suction pump 3, the right liquid level meter 6, the left liquid level meter 9, the non-invasive pH sensor 15 and the exhaust fan 13 are electrically connected with the operation display panel 18, and through the operation display panel 18, the pH value in the right barrel 2 and the left barrel 8 can be directly observed, and the start and stop of the air suction pump 3 and the exhaust fan 13 can be controlled.

[0027] Working principle: when the air suction pump 3 is started, the laboratory gas is sucked into the right barrel 2 through the air inlet pipe 4, and the sodium hydroxide solution is injected into the right barrel 2 through the right gas pipe 5 to remove the acidic gas, the remaining gas enters the left barrel 8 through the connecting pipe 7, and the sulfuric acid solution is injected into the left barrel 8 to remove the residual alkaline gas, finally the gas enters the upper part of the baffle 11 through the left gas pipe 10, is filtered and absorbed by the activated carbon plate 12, and is discharged from the air outlet pipe 14 under the action of the exhaust fan 13, when the pH value in the right barrel 2 or the left barrel 8 tends to be neutral, the liquid can be discharged through the liquid outlet pipe 17 and then new liquid can be injected through the liquid inlet pipe.

[0028] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. An automatic exhaust ventilation device for a cleanroom laboratory, comprising: The cabinet (1) is characterized in that a right bucket (2), a left bucket (8), a partition (11), and an activated carbon plate (12) are fixedly connected inside the cabinet (1). A vacuum pump (3) is fixedly connected to the top of the right bucket (2). An air inlet pipe (4) is fixedly connected to the front side wall of the vacuum pump (3). A right air pipe (5) is fixedly connected to the bottom of the vacuum pump (3). A right liquid level gauge (6) is fixedly connected to the inner circumferential surface of the right bucket (2). A connecting pipe is fixedly connected to the top of the right bucket (2). (7) A left level gauge (9) is fixedly connected to the inner circumference of the left bucket (8). A left air pipe (10) is fixedly connected to the top of the left bucket (8). The top of the left air pipe (10) is fixedly connected to the partition (11). The activated carbon plate (12) is located above the partition (11). Multiple small through holes are distributed in a matrix on the activated carbon plate (12). An exhaust fan (13) is fixedly connected to the inner top surface of the cabinet (1). An air outlet pipe (14) is fixedly connected to the top of the cabinet (1).

2. The automatic exhaust ventilation device for a cleanroom laboratory according to claim 1, characterized in that, The top of both the right bucket (2) and the left bucket (8) are fixedly connected with non-invasive pH sensors (15), and there are two non-invasive pH sensors (15).

3. The automatic exhaust ventilation device for a cleanroom laboratory according to claim 1, characterized in that, The right bucket (2) is filled with sodium hydroxide solution, and the left bucket (8) is filled with sulfuric acid solution.

4. The automatic exhaust ventilation device for a cleanroom laboratory according to claim 1, characterized in that, The right bucket (2) and the left bucket (8) are both fixedly connected to the inlet pipe (16) and the outlet pipe (17), and both penetrate the front side wall of the cabinet (1). There are two inlet pipes (16) and two outlet pipes (17), and valves are provided on both inlet pipes (16) and outlet pipes (17).

5. The automatic exhaust ventilation device for a cleanroom laboratory according to claim 1, characterized in that, An operation display panel (18) is fixedly connected to the front side wall of the cabinet (1). The air pump (3), right liquid level gauge (6), left liquid level gauge (9), non-invasive pH sensor (15) and exhaust fan (13) are all electrically connected to the operation display panel (18).

6. The automatic exhaust ventilation device for a cleanroom laboratory according to claim 1, characterized in that, The air intake pipe (4) is fixedly connected to a filter screen inside, and the air intake pipe (4) penetrates the front side wall of the cabinet (1).

7. The automatic exhaust ventilation device for a cleanroom laboratory according to claim 1, characterized in that, The bottom of the right air tube (5) extends into the interior of the right bucket (2), and the portion of the connecting tube (7) in the left bucket (8) extends into the interior of the left bucket (8).

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