CN215086126U

CN215086126U - Gas absorption device

Info

Publication number: CN215086126U
Application number: CN202120965955.6U
Authority: CN
Inventors: 田鹏
Original assignee: Inner Mongolia Haitai Technology Co Ltd
Current assignee: Inner Mongolia Haitai Technology Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-10
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a gas absorption device relates to gas absorption technical field, invents for solving the problem that the gas that accords with environmental protection emission standard probably still has pungent smell. A gas absorption device comprises a first absorption device and a second absorption device, wherein the first absorption device is used for carrying out primary treatment on gas; the second absorption device is connected to the air outlet end of the first absorption device, reaction liquid is arranged in the second absorption device, and the reaction liquid is used for absorbing irritant gas in the gas entering the second absorption device; the first absorption device comprises a plurality of first absorption towers which are communicated in sequence; the second absorption device comprises a second absorption tower and a circulating pump, and the circulating pump is communicated with the bottom of the second absorption tower and is used for conveying the reaction liquid in the second absorption tower from the bottom to the top; the inside of second absorption tower is equipped with spray thrower, packing layer and filter from top to bottom in proper order, and the spray thrower communicates with the output of circulating pump. The utility model is used for gaseous absorption.

Description

Gas absorption device

Technical Field

The utility model relates to a gas treatment technical field especially relates to a gas absorption device.

Background

The gas absorption device is used for treating industrial tail gas, and utilizes chemical materials or physical materials to remove pollution gas in the tail gas, so that the treated tail gas meets the standard of environmental protection emission.

At present, some gases meeting the environmental emission standard still emit odor to affect the factory environment and the working environment of workers. With the increasing environmental protection requirements of the country, people are increasingly conscious of the environmental protection, and the tail gas which still emits odor needs to be further treated. For example, some tail gases include gases with pungent odor such as hydrogen sulfide and chlorine, and although the treated tail gases meet the environmental protection standard, the pungent gases remaining in the tail gases still emit large pungent odor to affect the factory environment and the working environment of workers, so that further treatment is required to reduce the pungent odor in the tail gases.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a gas absorption device, this gas absorption device carry out secondary treatment to gas, have reduced pungent gaseous content, have reduced exhaust gas's pungent smell.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

a gas absorption device comprises a first absorption device and a second absorption device, wherein the first absorption device is used for carrying out primary treatment on gas; the second absorption device is connected to the air outlet end of the first absorption device, reaction liquid is arranged in the second absorption device, and the reaction liquid is used for absorbing irritant gas in the gas entering the second absorption device; the first absorption device comprises a plurality of first absorption towers which are communicated in sequence; the second absorption device comprises a second absorption tower and a circulating pump, and the circulating pump is communicated with the bottom of the second absorption tower and is used for conveying the reaction liquid in the second absorption tower from the bottom to the top; the inside of second absorption tower is equipped with spray thrower, packing layer and filter from top to bottom in proper order, the spray thrower with the output intercommunication of circulating pump.

Compared with the prior art, the embodiment of the utility model provides a gas absorption device through the primary treatment to gas, makes the gas of treating to discharge reach the standard that the environmental protection was discharged. Through the secondary treatment of the gas, the content of irritant gas in the gas to be discharged is reduced, so that the discharged gas cannot emit large irritant odor, and the factory environment and the working environment of workers are improved.

In an embodiment of the present application, the first absorption unit comprises 4 of the first absorption towers.

In an embodiment of the application, the sprayer has a plurality of nozzles.

In the embodiment of the application, a plurality of uniformly distributed through holes are arranged on the filter plate.

In an embodiment of the present application, the filter plate is detachably attached to the inside of the second absorption column.

In the embodiment of the application, the reaction liquid is hydrogen peroxide.

In the examples of the present application, the second absorption column had an inner diameter of 1.4 m.

In an embodiment of the present application, the tower wall of the second absorption tower is provided with an observation window.

In the embodiment of the application, the air outlet end of the second absorption tower is provided with an exhaust fan.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a gas absorption apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second absorption tower in a gas absorption apparatus according to an embodiment of the present invention.

Reference numerals:

100. a first absorption device; 110. a first absorption tower; 200. a second absorption device; 210. reaction solution; 220. a second absorption tower; 221. a sprayer; 2211. a nozzle; 222. a filler layer; 223. a filter plate; 2231. a through hole; 224. an observation window; 230. a circulation pump; 240. an exhaust fan.

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.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

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 otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a pair of gas absorption device, as shown in fig. 1, including first absorbing device 100 and second absorbing device 200, wherein, first absorbing device 100 is used for carrying out preliminary treatment to gas, makes the gas of treating the emission reach the standard that the environmental protection was discharged. The second absorption device 200 is connected to the gas outlet end of the first absorption device 100, so that the gas treated by the first absorption device 100 can enter the second absorption device 200. As shown in fig. 1 and 2, the second absorption device 200 is provided therein with a reaction liquid 210, and the reaction liquid 210 is used for absorbing irritant gases in the gases entering the second absorption device 200.

In order to sufficiently absorb the gas, as shown in fig. 1, the first absorption device 100 includes a plurality of first absorption towers 110, and the plurality of first absorption towers 110 are sequentially connected in series. By connecting a plurality of first absorption towers 110 in series, the absorption path and the absorption time of the gas are increased, and the gas absorption is more sufficient.

As shown in fig. 1 and fig. 2, the second absorption device 200 includes a second absorption tower 220 and a circulation pump 230, the reaction liquid 210 is located inside the second absorption tower 220, and the circulation pump 230 is communicated with the bottom of the second absorption tower 220 and is used for conveying the reaction liquid 210 in the second absorption tower 220 from the bottom to the top, so as to realize the recycling of the reaction liquid 210.

Of course, the reaction solution 210 is consumed continuously, so it needs to be replenished in time to ensure sufficient absorption of the gas.

As shown in fig. 2, a sprayer 221, a packing layer 222 and a filter plate 223 are sequentially arranged in the second absorption tower 220 from top to bottom, and the sprayer 221 is communicated with the output end of the circulation pump 230.

Generally, the gas inlet end of the second absorption tower 220 is close to the lower part, the gas outlet end is close to the upper part, the gas entering the second absorption tower 220 moves from bottom to top, the reaction liquid 210 reaches the sprayer 221 under the action of the circulating pump 230 and is sprayed out from the sprayer 221, so that the reaction liquid 210 is in reverse contact with the gas, the contact time of the reaction liquid 210 and the gas is increased, and the reaction liquid 210 and the gas react more fully.

In some embodiments, the first absorption unit 100 comprises 4 first absorption towers 110, which can achieve better absorption effect without increasing the equipment cost too much. Of course, the number of the first absorption tower 110 can be adjusted according to the size of the first absorption tower 110, the equipment floor space, the concentration of the gas to be treated, and other factors, for example, the number of the first absorption tower 110 is 3, 5, 6, and the like, and is not limited herein.

In order to increase the spray area of the sprayer 221, in some embodiments, as shown in fig. 2, the sprayer 221 has a plurality of nozzles 2211, and the plurality of nozzles 2211 increases the spray area of the sprayer 221 so that the reaction liquid 210 is more sufficiently contacted with the gas.

In order to uniformly distribute the gas, in some embodiments, the filter plate 223 is formed with a plurality of through holes 2231, and the plurality of through holes 2231 are uniformly distributed on the filter plate 223, so that the gas can uniformly pass through the filter plate 223, and the gas can sufficiently contact the reaction solution 210.

To facilitate maintenance and replacement, in some embodiments, filter plate 223 is removably attached to the interior of second absorption column 220. When the filter plate 223 needs to be repaired or replaced, the filter plate 223 only needs to be removed, and the new filter plate 223 needs to be repaired or replaced, so that the operation is simple.

In some embodiments, the reaction solution 210 is hydrogen peroxide. The hydrogen peroxide is alkaline, can be used for absorbing acid gases such as hydrogen sulfide and the like, and has a good absorption effect.

In some embodiments, the second absorption column 220 has an inner diameter of 1.4 m.

In some embodiments, as shown in fig. 2, the tower wall of the second absorption tower 220 is provided with a viewing window 224. The inside of the second absorption tower 220 can be seen by the inspection window 224, which is convenient for observing the use condition of the second absorption tower 220, so as to facilitate the supplement of the reaction liquid 210, the maintenance and replacement of the filter plate 223, and the like.

In some embodiments, the outlet end of the second absorption tower 220 is provided with an exhaust fan 240. When the exhaust fan 240 is turned on, the gas in the second absorption tower 220 can move to the gas outlet end of the second absorption tower 220, so that the exhaust is facilitated.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A gas absorption device is characterized by comprising a first absorption device and a second absorption device, wherein the first absorption device is used for carrying out primary treatment on gas;

the second absorption device is connected to the air outlet end of the first absorption device, reaction liquid is arranged in the second absorption device, and the reaction liquid is used for absorbing irritant gas in the gas entering the second absorption device;

the first absorption device comprises a plurality of first absorption towers which are communicated in sequence;

the second absorption device comprises a second absorption tower and a circulating pump, and the circulating pump is communicated with the bottom of the second absorption tower and is used for conveying the reaction liquid in the second absorption tower from the bottom to the top;

the inside of second absorption tower is equipped with spray thrower, packing layer and filter from top to bottom in proper order, the spray thrower with the output intercommunication of circulating pump.

2. The gas absorption apparatus according to claim 1, wherein the first absorption apparatus comprises 4 of the first absorption towers.

3. The gas absorption apparatus according to claim 1, wherein the shower has a plurality of nozzles.

4. The gas absorption device according to claim 1, wherein the filter plate is provided with a plurality of uniformly distributed through-holes.

5. The gas absorption apparatus according to claim 1, wherein the filter plate is detachably attached to the inside of the second absorption tower.

6. The gas absorption device according to claim 1, wherein the reaction liquid is hydrogen peroxide.

7. The gas absorption apparatus according to claim 1, wherein the second absorption column has an inner diameter of 1.4 m.

8. The gas absorption apparatus according to claim 1, wherein the tower wall of the second absorption tower is provided with an observation window.

9. The gas absorbing apparatus according to claim 1, wherein an exhaust fan is provided at the gas outlet end of the second absorption tower.