CN213221572U

CN213221572U - Tail gas liquid seal device

Info

Publication number: CN213221572U
Application number: CN202021651383.6U
Authority: CN
Inventors: 吴耀军; 侯远昌; 谢冬; 吴代玲; 钱国政; 桂阳
Original assignee: Jiangsu Flag Chemical Industry Co ltd
Current assignee: Jiangsu Flag Chemical Industry Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-18
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a tail gas liquid seal device, including first stock solution bucket, second stock solution bucket, gaseous communicating pipe and liquid communicating pipe, the top intercommunication of first stock solution bucket has an outlet duct, the top intercommunication of second stock solution bucket has an intake pipe, the inner chamber bottom of first stock solution bucket and second stock solution bucket all is provided with the stock solution layer, can add the adsorption solvent in first stock solution bucket when handling tail gas and form the stock solution layer, makes the tail gas of chemical plant get into the stock solution layer by gaseous communicating pipe, and the volatile solvent that contains in the tail gas is discharged by the outlet duct of first stock solution bucket after being adsorbed by the stock solution layer to this reduces the content of volatile solvent in the tail gas; the bottom of liquid communicating pipe, first stock solution bucket and second stock solution bucket is linked together and is constituteed the linker, and through the setting of this linker, the liquid level in first stock solution bucket and the second stock solution bucket can remain in same position all the time, and can not rise and get into in the chemical industry equipment.

Description

Tail gas liquid seal device

Technical Field

The utility model relates to a chemical industry tail gas treatment field, concretely relates to tail gas liquid seal device.

Background

Tail gas generated by chemical devices such as agricultural and pharmaceutical equipment and the like which generate volatile gas can cause environmental pollution if being directly discharged, so that the existing chemical devices are generally provided with a tail gas treatment system for carrying out harmless treatment on the tail gas; however, the tail gas discharged by the chemical device usually contains a small amount of volatile solvent, and if the tail gas is directly introduced into the tail gas treatment system, the treatment efficiency of the tail gas treatment system can be influenced, so that a treatment device is needed to reduce the content of the volatile solvent in the tail gas, the tail gas treatment system is prevented from being brought into the tail gas by the rear end, and meanwhile, the chemical device can possibly generate negative pressure during working, and the treatment device also needs to be capable of coping with the influence of the negative pressure generated by the chemical device.

Therefore, how to solve the defects of the prior art is a subject of the present invention.

Disclosure of Invention

In order to solve the problem, the utility model discloses a tail gas liquid seal device.

In order to achieve the above purpose, the utility model provides a following technical scheme: a tail gas liquid seal device comprises a first liquid storage barrel, a second liquid storage barrel, a gas communicating pipe and a liquid communicating pipe, wherein the top end of the first liquid storage barrel is communicated with an air outlet pipe, the top end of the second liquid storage barrel is communicated with an air inlet pipe, liquid storage layers are arranged at the bottoms of inner cavities of the first liquid storage barrel and the second liquid storage barrel, a liquid level meter is arranged at the side part of the first liquid storage barrel, and a liquid inlet end of the liquid level meter is communicated to the bottom of the first liquid storage barrel and is communicated with the liquid storage layer in the first liquid storage barrel;

one end of the gas communicating pipe is communicated with the first liquid storage barrel and extends into the liquid storage layer in the first liquid storage barrel, the other end of the gas communicating pipe is communicated with the second liquid storage barrel, the end part of the gas communicating pipe is positioned above the liquid storage layer in the first liquid storage barrel, and the gas communicating pipe is provided with a valve;

one end of the liquid communicating pipe is communicated to the bottom of the first liquid storage barrel and communicated with the liquid storage layer in the first liquid storage barrel, the other end of the liquid communicating pipe is communicated to the bottom of the second liquid storage barrel and communicated with the liquid storage layer in the second liquid storage barrel, and a liquid discharging valve is mounted on the liquid communicating pipe.

As an improvement of the utility model, the gas communicating pipe is provided with a vacuum negative pressure safety valve.

As an improvement of the present invention, the inner walls of the first liquid storage barrel, the second liquid storage barrel, the gas communicating pipe and the liquid communicating pipe are coated with non-stick coatings.

As an improvement of the utility model, the non-stick coating is a polytetrafluoroethylene coating.

As an improvement of the utility model, the top of first stock solution bucket and second stock solution bucket all communicates there is a high-pressure flushing pipe, install sealing valve on the high-pressure flushing pipe.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a first stock solution bucket and second stock solution bucket, stock solution layer is all stored to both inner chambers, be linked together through a gas communicating pipe between first stock solution bucket and the second stock solution bucket, wherein, the one end of gas communicating pipe stretches into in the stock solution layer in the first stock solution bucket, can select different adsorption solution according to the type of different volatile solvent during the processing tail gas, and add this adsorption solution in the first stock solution bucket and form the stock solution layer, make the tail gas of chemical plant get into the stock solution layer by gas communicating pipe, the volatile solvent that contains in the tail gas is discharged by the outlet duct of first stock solution bucket after being adsorbed by the stock solution layer, thereby reduce the content of volatile solvent in the tail gas;

the other end of the gas communicating pipe is communicated with the second liquid storage barrel and does not contact with the liquid storage layer, when the chemical equipment has negative pressure, liquid in the liquid storage layer can be prevented from being brought into the chemical equipment, the bottom of the liquid communicating pipe, the bottom of the first liquid storage barrel and the bottom of the second liquid storage barrel are communicated to form a communicating vessel, and through the arrangement of the communicating vessel, liquid levels in the first liquid storage barrel and the second liquid storage barrel can be always kept at the same position and cannot rise to enter the chemical equipment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

List of reference numerals: 100 first liquid storage barrels, 101 gas outlet pipes, 200 second liquid storage barrels, 201 gas inlet pipes, 300 gas communication pipes, 301 water inlet valves, 400 liquid communication pipes, 401 water outlet valves, 500 liquid storage layers and 600 liquid level meters.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): referring to fig. 1, a tail gas liquid seal device comprises a first liquid storage barrel 100, a second liquid storage barrel 200, a gas communicating pipe 300 and a liquid communicating pipe 400, wherein the top end of the first liquid storage barrel 100 is communicated with an air outlet pipe 101, the top end of the second liquid storage barrel 200 is communicated with an air inlet pipe 201, liquid storage layers 500 are respectively arranged at the bottoms of inner cavities of the first liquid storage barrel 100 and the second liquid storage barrel 200, a liquid level meter 600 is arranged at the side part of the first liquid storage barrel 100, and the liquid inlet end of the liquid level meter 600 is communicated with the bottom of the first liquid storage barrel 100 and is communicated with the liquid storage layer 500 in the first liquid storage barrel 100; the liquid level meter 600 adopts a magnetic turning plate liquid level meter and is used for detecting the liquid level height in the first liquid storage barrel 100;

one end of the gas communication pipe 300 is communicated with the first liquid storage barrel 100 and extends into the liquid storage layer 500 in the first liquid storage barrel 100, the other end of the gas communication pipe 300 is communicated with the second liquid storage barrel 200, the end part is positioned above the liquid storage layer 500 in the first liquid storage barrel 100, and the gas communication pipe 300 is provided with a valve 301;

one end of the liquid communicating pipe 400 is communicated to the bottom of the first liquid storage barrel 100 and is communicated with the liquid storage layer 500 in the first liquid storage barrel 100, the other end of the liquid communicating pipe 400 is communicated to the bottom of the second liquid storage barrel 200 and is communicated with the liquid storage layer 500 in the second liquid storage barrel 200, and a liquid discharging valve 401 is installed on the liquid communicating pipe 400;

in the using process, different adsorption solutions can be selected according to the types of different volatile solvents (namely a solution absorption method, which is a common method for absorbing gaseous, vaporous and certain aerosol pollutants in gas, for example, hydrogen chloride and formaldehyde in air are absorbed by water, 5% of methanol is used for absorbing organic pesticides, namely nitrobenzene and the like is absorbed by 10% of ethanol), the adsorption solution is added into the first liquid storage barrel 100 to form a liquid storage layer 500, tail gas of a chemical device enters the liquid storage layer 500 from the gas communicating pipe 300, and the volatile solvents contained in the tail gas are exhausted from the gas outlet pipe 101 of the first liquid storage barrel 100 after being adsorbed by the liquid storage layer 500, so that the content of the volatile solvents in the tail gas is reduced;

the other end of the gas communicating pipe 300 is communicated with the second liquid storage barrel 200 and is not contacted with the liquid storage layer 500, when the chemical equipment has negative pressure, liquid in the liquid storage layer 500 can be prevented from being brought into the chemical equipment, the liquid communicating pipe 400, the bottoms of the first liquid storage barrel 100 and the second liquid storage barrel 200 are communicated to form a communicating vessel, through the arrangement of the communicating vessel, when the negative pressure is large, the liquid in the first liquid storage barrel 100 can reach the second liquid storage barrel 200 through the gas communicating pipe 300, and flows back to the first liquid storage barrel 100 again under the action of the communicating vessel formed by the liquid communicating pipe 400 at the bottom, and the liquid levels in the first liquid storage barrel 100 and the second liquid storage barrel 200 can be always kept at the same position, so that the liquid cannot rise into the chemical equipment;

the gas communicating pipe 300 is also provided with a vacuum negative pressure safety valve which can play a role of safety protection and is opened when the negative pressure value is too large.

The inner walls of the first liquid storage barrel 100, the second liquid storage barrel 200, the gas communicating pipe 300 and the liquid communicating pipe 400 are coated with non-stick coatings, the non-stick coatings are polytetrafluoroethylene coatings, the polytetrafluoroethylene coatings have good oleophobic and hydrophobic characteristics, adhesion of impurities can be reduced, and cleaning is facilitated.

The top of first stock solution bucket 100 and second stock solution bucket 200 all communicates there is a high pressure to wash the pipeline, installs sealing valve on the high pressure washes the pipeline, uses a period after, and this high pressure of accessible washes the outside high-pressure rivers of pipeline intercommunication, washes the inside between them.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an exhaust liquid seal device which characterized in that: the liquid storage device comprises a first liquid storage barrel (100), a second liquid storage barrel (200), a gas communicating pipe (300) and a liquid communicating pipe (400), wherein the top end of the first liquid storage barrel (100) is communicated with an air outlet pipe (101), the top end of the second liquid storage barrel (200) is communicated with an air inlet pipe (201), liquid storage layers (500) are respectively arranged at the bottoms of inner cavities of the first liquid storage barrel (100) and the second liquid storage barrel (200), a liquid level meter (600) is arranged at the lateral part of the first liquid storage barrel (100), and the liquid inlet end of the liquid level meter (600) is communicated to the bottom of the first liquid storage barrel (100) and is communicated with the liquid storage layer (500) in the first liquid storage barrel (100);

one end of the gas communicating pipe (300) is communicated with the first liquid storage barrel (100) and extends into the liquid storage layer (500) in the first liquid storage barrel (100), the other end of the gas communicating pipe (300) is communicated with the second liquid storage barrel (200), the end part of the gas communicating pipe is positioned above the liquid storage layer (500) in the first liquid storage barrel (100), and a valve (301) is installed on the gas communicating pipe (300);

one end of the liquid communicating pipe (400) is communicated to the bottom of the first liquid storage barrel (100) and is communicated with a liquid storage layer (500) in the first liquid storage barrel (100), the other end of the liquid communicating pipe (400) is communicated to the bottom of the second liquid storage barrel (200) and is communicated with the liquid storage layer (500) in the second liquid storage barrel (200), and a liquid discharge valve (401) is installed on the liquid communicating pipe (400).

2. The exhaust gas liquid seal device according to claim 1, characterized in that: and a vacuum negative pressure safety valve is also arranged on the gas communicating pipe (300).

3. The exhaust gas liquid seal device according to claim 1, characterized in that: the inner walls of the first liquid storage barrel (100), the second liquid storage barrel (200), the gas communicating pipe (300) and the liquid communicating pipe (400) are coated with non-stick coatings.

4. The exhaust gas liquid seal device according to claim 3, characterized in that: the non-stick coating is a polytetrafluoroethylene coating.

5. The exhaust gas liquid seal device according to claim 1, characterized in that: the top of first stock solution bucket (100) and second stock solution bucket (200) all communicates there is a high pressure washing pipeline, install sealing valve on the high pressure washing pipeline.