CN213408175U

CN213408175U - Laboratory is with containing hydrogen sulfide exhaust treatment device

Info

Publication number: CN213408175U
Application number: CN202021534768.4U
Authority: CN
Inventors: 刘学均
Original assignee: 刘学均
Current assignee: China Inspection and Certification Group Guangdong Co.,Ltd.
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-06-11
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to the field of laboratory waste gas treatment, and discloses a hydrogen sulfide-containing waste gas treatment device for a laboratory, which comprises a treatment box; an air inlet pipe is arranged inside the left side of the treatment box, an air outlet pipe is arranged at the top of the right side of the treatment box, a circulating pipe is arranged on the left side of the top of the air outlet pipe, a discharge pipe is arranged on the right side of the top of the air outlet pipe, and a hydrogen sulfide sensor is arranged at the top of the inner side of the air outlet pipe; an electromagnetic valve A is arranged in the circulating pipe, and an electromagnetic valve B is arranged in the discharge pipe. The utility model discloses a hydrogen sulfide sensor detects hydrogen sulfide in the gas and whether reaches qualified standard, then can close solenoid valve B when hydrogen sulfide content is too much in the gas, start solenoid valve A simultaneously, waste gas accessible circulating pipe gets into again and handles the incasement and adsorb this moment, and then can close solenoid valve A when hydrogen sulfide content reaches standard in the gas, start solenoid valve B simultaneously, can be with gas outgoing this moment through the discharge pipe, this device can ensure that hydrogen sulfide content is the qualification volume in the exhaust gas.

Description

Laboratory is with containing hydrogen sulfide exhaust treatment device

Technical Field

The utility model relates to a laboratory exhaust-gas treatment field specifically is a laboratory is with containing hydrogen sulfide exhaust treatment device.

Background

At present, hydrogen sulfide gas is colorless irritant toxic gas, enters a human body through a respiratory tract, mainly damages the central nerve, the respiratory system and irritates mucous membranes, and mild poisoning symptoms are photophobia, lacrimation, eye stinging, watery nasal discharge, foreign body sensation, burning nasopharynx and are accompanied by symptoms of dizziness, headache, weakness and the like, so that hydrogen sulfide-containing waste gas cannot be directly discharged into the atmosphere and needs to be treated, but the existing hydrogen sulfide-containing waste gas treatment device for a laboratory is also deficient in some places, such as;

the hydrogen sulfide-containing waste gas treatment device for the laboratory with the publication number (CN208018411U) is used for treating the hydrogen sulfide waste gas by combining a chemical absorption method and a physical adsorption method, so that the hydrogen sulfide waste gas in the laboratory can be quickly and efficiently treated; simultaneously through increasing monitoring alarm device at the gas vent, can effectively monitor the hydrogen sulfide and get rid of the effect, convenient timely change absorption solution and absorption, but the device still has following shortcoming:

the device can not realize the cyclic absorption of waste gas, so the absorption efficiency still has the limitation, consequently the treatment effect is relatively poor, and is not ideal, and the structure is complicated, and is bulky, is not suitable for the laboratory and uses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory is with containing hydrogen sulfide exhaust treatment device has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a laboratory hydrogen sulfide-containing waste gas treatment device comprises a treatment box;

an air inlet pipe is arranged inside the left side of the treatment box, an air outlet pipe is arranged at the top of the right side of the treatment box, a circulating pipe is arranged on the left side of the top of the air outlet pipe, a discharge pipe is arranged on the right side of the top of the air outlet pipe, and a hydrogen sulfide sensor is arranged at the top of the inner side of the air outlet pipe;

the circulating pipe is internally provided with an electromagnetic valve A, the discharging pipe is internally provided with an electromagnetic valve B, and the signal output end of the hydrogen sulfide sensor is respectively connected with the signal input ends of the electromagnetic valve A and the electromagnetic valve B.

As an optimal implementation mode of the utility model, it is equipped with the leakage fluid dram to handle case right side bottom, be equipped with the valve on the leakage fluid dram.

As the utility model discloses a preferred embodiment, it is equipped with annotates the liquid mouth to handle case top middle part, annotate liquid mouth top and install sealed lid.

As an optimal implementation mode of the utility model, it is equipped with the supporting leg to handle bottom of the case portion four corners.

As an optimal implementation mode of the utility model, it is equipped with the power cord to handle case right side top, power cord and hydrogen sulfide sensor, solenoid valve A and solenoid valve B parallel connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a laboratory is with containing hydrogen sulfide exhaust treatment device, whether hydrogen sulfide through among the hydrogen sulfide sensor detection gas reaches qualified standard, then can close solenoid valve B when hydrogen sulfide content is too much in the gas, start solenoid valve A simultaneously, waste gas accessible circulating pipe reenters and handles the incasement and adsorb this moment, and then can close solenoid valve A when hydrogen sulfide content reaches standard in the gas, start solenoid valve B simultaneously, can be with gaseous discharge through the discharge pipe this moment, this device can ensure that hydrogen sulfide content is the qualification quantity in the exhaust gas, the efficiency of adsorption is improved.

2. The utility model relates to a laboratory is with containing hydrogen sulfide exhaust treatment device, through solenoid valve B remain closed state throughout then show that the adsorption solution appears saturated, the staff of being convenient for in time changes the adsorption solution.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is the utility model relates to a laboratory is with containing hydrogen sulfide exhaust treatment device's orthographic view structure schematic diagram.

In the figure: 1. a treatment tank; 2. an air inlet pipe; 3. an air outlet pipe; 4. a hydrogen sulfide sensor; 5. a circulation pipe; 6. a discharge pipe; 7. an electromagnetic valve A; 8. a solenoid valve B; 9. a liquid injection port; 10. a sealing cover; 11. a power line; 12. a liquid discharge port; 13. a valve; 14. and (5) supporting legs.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and for simplicity of description, but do not indicate or imply that the device or element referred to must have a specific shape or simplified description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a laboratory hydrogen sulfide-containing waste gas treatment device comprises a treatment box 1;

an air inlet pipe 2 is arranged inside the left side of the treatment box 1, an air outlet pipe 3 is arranged at the top of the right side of the treatment box 1, a circulating pipe 5 is arranged on the left side of the top of the air outlet pipe 3, a discharge pipe 6 is arranged on the right side of the top of the air outlet pipe 3, and a hydrogen sulfide sensor 4 is arranged at the top of the inner side of the air outlet pipe 3;

an electromagnetic valve A7 is arranged in the circulating pipe 5, an electromagnetic valve B8 is arranged in the discharge pipe 6, and the signal output end of the hydrogen sulfide sensor 4 is respectively connected with the signal input ends of the electromagnetic valve A7 and the electromagnetic valve B8.

In this embodiment (see fig. 1), the hydrogen sulfide sensor 4 is used to detect whether the hydrogen sulfide in the gas meets the qualified standard, when the hydrogen sulfide content in the gas is too high, the electromagnetic valve B8 is closed, and the electromagnetic valve a7 is simultaneously activated, at this time, the exhaust gas can reenter the treatment tank 1 through the circulating pipe 5 for adsorption, and when the hydrogen sulfide content in the gas meets the standard, the electromagnetic valve a7 is closed, and the electromagnetic valve B8 is simultaneously activated, at this time, the gas can be exhausted through the exhaust pipe 6.

Wherein, the bottom of the right side of the treatment box 1 is provided with a liquid outlet 12, and the liquid outlet 12 is provided with a valve 13.

In this embodiment (see fig. 1), the adsorption solution can be discharged through the liquid discharge port 12 by opening the valve 13.

Wherein, handle 1 top middle part of case and be equipped with notes liquid mouth 9, annotate liquid mouth 9 top and install sealed lid 10.

In this embodiment (see fig. 1), the solution can be injected into the treatment tank 1 through the injection port 9 by opening the sealing lid 10.

Wherein, four corners of the bottom of the treatment box 1 are provided with supporting legs 14.

In this embodiment (see fig. 1), the supporting operation of the treatment tank 1 can be facilitated by the supporting legs 14.

Wherein, the top of the right side of the treatment box 1 is provided with a power cord 11, and the power cord 11 is connected with the hydrogen sulfide sensor 4, the electromagnetic valve A7 and the electromagnetic valve B8 in parallel.

In this embodiment (see fig. 1), the power supply of the hydrogen sulfide sensor 4, the solenoid valve a7, and the solenoid valve B8 can be facilitated through the power cord 11.

The utility model relates to a hydrogen sulfide-containing waste gas treatment device for a laboratory, which comprises a treatment box 1; 2. an air inlet pipe; 3. an air outlet pipe; 4. a hydrogen sulfide sensor; 5. a circulation pipe; 6. a discharge pipe; 7. an electromagnetic valve A; 8. a solenoid valve B; 9. a liquid injection port; 10. a sealing cover; 11. a power line; 12. a liquid discharge port; 13. a valve; 14. the support leg, the part is the general standard component or the part known to the technicians in this field, in this apparatus spare place, all above-mentioned electric devices, it refers to the power component, electric device and adaptive control computer and power to connect through the wire, the concrete connection means, should refer to the following working principle, among the electric devices, the working order finishes the electrical connection successively, its detailed connection means, for the technology known in this field, the following mainly introduces the working principle and process, do not explain the electrical control, its structure and principle all can be known by technical manual or routine experimental method for the technicians, when using, first switch on the power through the power cord 11, can put the absorbing solution into the processing box 1 through the liquid injection port 9, the absorbing solution can select sodium hydroxide solution, acid copper solution, ammonia water and sodium carbonate solution, Then the waste gas is connected through the gas inlet pipe 2, the waste gas can enter the recycling solution at the moment, the hydrogen sulfide in the waste gas can be adsorbed through the solution at the moment, the adsorbed waste gas can be discharged through the gas outlet pipe 3, at the moment, whether the hydrogen sulfide in the gas reaches the qualified standard can be detected through the hydrogen sulfide sensor 4, when the hydrogen sulfide content in the gas is excessive, the electromagnetic valve B8 can be closed through the hydrogen sulfide sensor 4, the electromagnetic valve A7 is started at the same time, the waste gas can reenter the treatment box 1 through the circulating pipe 5 for adsorption, when the hydrogen sulfide content in the gas reaches the standard, the electromagnetic valve A7 can be closed through the hydrogen sulfide sensor 4, the electromagnetic valve B8 is started at the same time, the gas can be discharged through the discharge pipe 6, the device can ensure that the hydrogen sulfide content in the discharged gas is the qualified amount, the adsorption efficiency is improved, and when the electromagnetic valve B8 is found, the adsorption solution is convenient for workers to replace in time.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The device for treating the hydrogen sulfide-containing waste gas for the laboratory is characterized by comprising a treatment box (1);

an air inlet pipe (2) is arranged inside the left side of the treatment box (1), an air outlet pipe (3) is arranged at the top of the right side of the treatment box (1), a circulating pipe (5) is arranged on the left side of the top of the air outlet pipe (3), a discharge pipe (6) is arranged on the right side of the top of the air outlet pipe (3), and a hydrogen sulfide sensor (4) is arranged at the top of the inner side of the air outlet pipe (3);

an electromagnetic valve A (7) is arranged in the circulating pipe (5), an electromagnetic valve B (8) is arranged in the discharging pipe (6), and the signal output end of the hydrogen sulfide sensor (4) is connected with the signal input ends of the electromagnetic valve A (7) and the electromagnetic valve B (8) respectively.

2. The device for treating the hydrogen sulfide-containing waste gas for the laboratory according to claim 1, wherein: a liquid outlet (12) is formed in the bottom of the right side of the treatment box (1), and a valve (13) is arranged on the liquid outlet (12).

3. The device for treating the hydrogen sulfide-containing waste gas for the laboratory according to claim 1, wherein: handle case (1) top middle part and be equipped with notes liquid mouth (9), annotate liquid mouth (9) top and install sealed lid (10).

4. The device for treating the hydrogen sulfide-containing waste gas for the laboratory according to claim 1, wherein: four corners of the bottom of the treatment box (1) are provided with supporting legs (14).

5. The device for treating the hydrogen sulfide-containing waste gas for the laboratory according to claim 1, wherein: handle case (1) right side top and be equipped with power cord (11), power cord (11) and hydrogen sulfide sensor (4), solenoid valve A (7) and solenoid valve B (8) parallel connection.