CN213467095U

CN213467095U - Laboratory exhaust treatment device

Info

Publication number: CN213467095U
Application number: CN202022096706.6U
Authority: CN
Inventors: 葛健; 钱志波; 谷凤先
Original assignee: Wover Nanjing Environmental Engineering Co ltd
Current assignee: Wover Nanjing Environmental Engineering Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-18
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a laboratory exhaust treatment device, including gas collecting tank and intake pipe, gas collecting tank fixed connection intake pipe and intake pipe fixed connection inertial dust collector are equipped with in the inertial dust collector and keep off the pipe, and keep off the pipe bifurcation and be straight tube and return bend, are equipped with the valve on the straight tube. The utility model adds the gas collecting box in the traditional laboratory waste gas treatment step, can collect waste gas and facilitate the subsequent uniform treatment; utilize inertial dust collector to carry out preliminary dust fall to waste gas and handle the back and take out fast with water ring vacuum pump, equipment is simple and can reach the effect that waste gas was handled to the high efficiency.

Description

Laboratory exhaust treatment device

Technical Field

The utility model belongs to the technical field of laboratory paraphernalia and specifically relates to a laboratory exhaust treatment device.

Background

Laboratory can produce a large amount of toxic gases, such as carbon dioxide, nitrogen oxide, sulfur dioxide, chlorine, hydrogen sulfide and the like, in the processes of inspection, identification and test, particularly biochemical experiment, and the main treatment methods of laboratory waste gas include an absorption method, a solid adsorption method, a reflux method, a combustion method and the like. The waste gas that produces in the laboratory often has the composition complicacy, the various characteristics of kind, need collect and recovery processing through laboratory exhaust treatment device.

The prior art mainly has the following problems:

1. the laboratory waste gas has the characteristics of discontinuity and small discharge capacity, and is difficult to be treated in a centralized way;

2. the gas collection device on the market is simple and has a single function.

The utility model provides a laboratory exhaust treatment device based on above-mentioned problem, the device

1. The gas collection box is additionally arranged before the gas enters the spray tower, so that the laboratory gas can be collected for subsequent unified treatment;

2. the washable inertial dust collector is additionally arranged in the gas collection box, the dust settling effect is achieved through the special shape and structure of the inertial dust collector, and the dust collector can be washed through an external pipeline, so that the dust collector is simple and convenient;

3. the water ring vacuum pump connected with the gas collection box can exhaust the gas in the gas collection box, so that no residue is generated and the working efficiency is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that proposes in the above-mentioned background art, provide following technical scheme:

the utility model provides a laboratory exhaust treatment device, includes gas collecting tank and intake pipe, and gas collecting tank fixed connection intake pipe and intake pipe fixed connection inertial dust collector are equipped with in the inertial dust collector and keep off the pipe, and keep off the branch of pipe and be the straight tube and return bend, are equipped with the valve on the straight tube. The gas collection box is arranged to collect waste gas so as to adjust the content and the gas quantity of the waste gas, and can effectively store the gas when a fault occurs in a subsequent process so as not to cause toxic gas to overflow; the inertial dust collector is a device which makes dusty gas collide with a baffle pipe, utilizes inertial separation to collect dust, can make the gas effectively fall dust and then release into a gas collection box through the gas collection box, and achieves the effect of pretreatment.

Preferably, the inertial dust collector comprises a cylindrical pipe, the baffle pipe is arranged inside the cylindrical pipe, the cylindrical pipe is fixedly connected with a conical pipe, and the tail end of the conical pipe is connected with the dust collection cavity. After the waste gas air current gets into inertial dust collector, the collision is on keeping off the pipe, and the dust is separated out at the in-process that turns to, and the dust falls into the dust collection chamber downwards under the action of gravity, and the diameter of dust collection chamber up end is little, and the diameter of lower terminal surface is big for the dust can't be excessive, and the waste gas of dust removal is along with keeping off pipe discharge inertial dust collector, accomplishes the dust removal work of waste gas.

Preferably, one side of the gas collection box opposite to the gas inlet pipe is connected with a gas outlet pipe, and the gas outlet pipe is provided with an electromagnetic valve.

Preferably, the air outlet pipe is connected with the air inlet end of the water ring vacuum pump, and the air outlet end of the water ring vacuum pump is connected with the spray tower. The water ring vacuum pump is used for extracting and evacuating gas in the gas collecting box, the water ring vacuum pump realizes gas suction, compression and exhaust by the change of the volume of a pump cavity, and the gas compression in the water ring vacuum pump is isothermal, so flammable and explosive gas can be extracted, and a condensable gas and a gas-water mixture can be extracted, so that the water ring vacuum pump is suitable for treating laboratory waste gas with complicated types.

Preferably, the air inlet pipe is also provided with an air inlet fan and a gas booster pump. Because the inertial dust collector separates gas and dust by using inertia, a larger impact force is needed, and an inlet fan and a gas booster pump are used for increasing the initial speed of waste gas, so that a better dust separation effect is achieved.

Preferably, a pressure gauge is further arranged in the gas collection box and electrically connected with the electromagnetic valve. And when the pressure in the gas collection box reaches a preset value, opening the electromagnetic valve, and extracting the waste gas in the gas collection box to perform subsequent operation.

Has the advantages that: the gas collection box is additionally arranged before the gas enters the spray tower, so that the laboratory gas can be collected for subsequent unified treatment; the washable inertial dust collector is additionally arranged in the gas collection box, the dust settling effect is achieved through the special shape and structure of the inertial dust collector, and the dust collector can be washed through an external pipeline, so that the dust collector is simple and convenient; the water ring vacuum pump connected with the gas collection box can exhaust the gas in the gas collection box, so that no residue is generated and the working efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Description of the drawings: 1 gas collection box, 2 gas inlet pipes, 3 inertial dust collectors, 3.1 baffle pipes, 3.11 straight pipes, 3.12 bent pipes, 3.2 cylindrical pipes, 3.3 conical pipes, 3.4 dust collection chambers, 4 valves, 5 gas outlet pipes, 6 electromagnetic valves, 7 water ring vacuum pumps, 8 gas inlet fans, 9 gas booster pumps and 10 pressure gauges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a laboratory exhaust treatment device, includes gas collecting tank 1 and intake pipe 2, gas collecting tank 1 fixed connection intake pipe 2, and gas collecting tank 1 is connected outlet duct 5 with one side relative with intake pipe 2. Be equipped with air inlet fan 8 and gas booster pump 9 on the intake pipe 2, and intake pipe 2 and inertial dust collector 3 fixed connection, inertial dust collector 3 comprises fender pipe 3.1, cylinder pipe 3.2, circular cone pipe 3.3 and dust collecting cavity 3.4, keep off pipe 3.1 and set up inside cylinder pipe 3.2 and the end-to-end connection circular cone pipe 3.3 of cylinder pipe 3.2, the end-to-end connection dust collecting cavity 3.4 of circular cone pipe 3.3, keep off pipe 3.1 and upwards extend the bifurcation and be straight tube 3.11 and return bend 3.12, straight tube 3.11 extends to the gas collection box 1 outside. The gas outlet pipe 5 is further provided with an electromagnetic valve 6, the gas outlet pipe 5 is connected with a water ring vacuum pump 7, the water ring vacuum pump 7 is connected with the spray tower, a pressure gauge 10 is further arranged in the gas collection box 1, and the pressure gauge 10 is electrically connected with the electromagnetic valve 6.

The working process is as follows: laboratory waste gas passes through gas booster pump 9 and inlet fan 8 and gets into inertial dust remover 3 from inlet pipe 2 with a great initial velocity, and waste gas bumps on keeping off the pipe 3.1, and waste gas is at cylindrical pipe 3.2 and circular cone 3.3 internal spiral motion, because inertia effect waste gas and dust separation, the dust falls downwards under the effect of gravity and falls into in dust collecting cavity 3.4, and the waste gas after the dust fall is discharged into gas collection tank 1 through return bend 3.12. When the gas gathered in the gas collection box 1 reaches a certain amount, the pressure value of the pressure gauge 10 reaches a preset value, the electromagnetic valve 6 is opened, the water ring vacuum pump 7 works, and the waste gas in the gas collection box 1 is pumped out through the gas outlet pipe 5 and sent into the spray tower for further treatment. After the dust collecting chamber is used for a period of time, certain dust is accumulated in the dust collecting chamber 3.4, and at the moment, the valve 4 is opened to introduce high-pressure water flow into the straight pipe 3.11 for washing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a laboratory exhaust treatment device, includes gas collection box (1) and intake pipe (2), its characterized in that: gas collection case (1) fixed connection intake pipe (2) just intake pipe (2) fixed connection inertial dust collector (3), be equipped with in inertial dust collector (3) and keep off pipe (3.1), just keep off pipe (3.1) branching and be straight tube (3.11) and return bend (3.12), be equipped with valve (4) on straight tube (3.11).

2. A laboratory exhaust treatment device according to claim 1, wherein: the inertial dust collector (3) comprises a cylindrical pipe (3.2), the baffle pipe (3.1) is arranged inside the cylindrical pipe (3.2), the cylindrical pipe (3.2) is fixedly connected with a conical pipe (3.3), and the tail end of the conical pipe (3.3) is connected with a dust collection cavity (3.4).

3. A laboratory exhaust treatment device according to claim 1, wherein: one side of the gas collection box (1) opposite to the gas inlet pipe (2) is connected with a gas outlet pipe (5), and the gas outlet pipe (5) is provided with an electromagnetic valve (6).

4. A laboratory exhaust treatment device according to claim 3, wherein: the air outlet pipe (5) is connected with the air inlet end of the water ring vacuum pump (7), and the air outlet end of the water ring vacuum pump (7) is connected with the spray tower.

5. A laboratory exhaust treatment device according to claim 1, wherein: an air inlet fan (8) and a gas booster pump (9) are further arranged on the air inlet pipe (2).

6. A laboratory exhaust treatment device according to claim 1, wherein: the gas collection box (1) is also internally provided with a pressure gauge (10), and the pressure gauge (10) is electrically connected with the electromagnetic valve (6).