CN218452049U

CN218452049U - Tail gas absorption tower for pharmaceutical production

Info

Publication number: CN218452049U
Application number: CN202221980140.6U
Authority: CN
Inventors: 李宏; 杨亚文; 张玮; 杨章
Original assignee: Rionlon Tianjin Pharmaceutical Co ltd
Current assignee: Rionlon Tianjin Pharmaceutical Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-02-07
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to a tail gas absorption tower for pharmaceutical production, which comprises a tower body, an intake pipe, a blower, the blast pipe, still including the dust washing chamber, the acidizing fluid sprays the chamber, alkali lye sprays the chamber, decompose the chamber, active carbon adsorbs the chamber, the acidizing fluid sprays the chamber and alkali lye sprays the chamber and locates tower body both sides inner wall bottom, the dust washing chamber is located the tower body bottom and is located the acidizing fluid and sprays the chamber and alkali lye sprays between the chamber, the acidizing fluid sprays the chamber top in the active carbon adsorption chamber, it sprays the chamber top to decompose the chamber and locate alkali lye, the intake pipe is worn into the dust washing intracavity, dust washing chamber one side is equipped with a plurality of air inlets that spray the chamber intercommunication with the acidizing fluid, the acidizing fluid sprays the chamber, alkali lye sprays the intracavity and all is equipped with the air guide subassembly by going in proper order, packing layer one, the hydrojet subassembly, the acidizing fluid sprays and is equipped with a plurality of air inlets two on the contact surface that the chamber sprays the chamber and decompose the chamber, it is equipped with communicating pipe two to decompose between chamber and the active carbon adsorption chamber. The utility model discloses the tail gas treatment is effectual, convenient to use.

Description

Tail gas absorption tower for pharmaceutical production

Technical Field

The utility model relates to a tail gas treatment field especially relates to a tail gas absorption tower for pharmaceutical production.

Background

A large amount of tail gas which can pollute the environment is generated in the process of medicine production, and in order to avoid polluting the environment, the tail gas needs to be treated and then discharged. Administer this equipment of tail gas general adoption absorption tower, present absorption tower is mostly only in inside to set up filler and spraying system, tail gas is through the acidizing fluid and the alkali lye neutralization treatment that spray at the in-process that flows upwards, the tail gas treatment is thorough inadequately, and simultaneously, the acidizing fluid that sprays, still there is a considerable portion unreacted reaction after alkali lye and the gaseous contact, directly fall on the bottom in the tower, in order to avoid extravagant, generally can take out the solution that the bottom was long-pending in the tower to spraying system once more, reuse, but the acidizing fluid and the alkali lye of long-pending bottom in the tower are neutralized easily, the deacidification dealkali effect of tail gas weakens greatly during reuse, influence the treatment effect of tail gas.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and providing a tail gas absorption tower for medicine production.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a tail gas absorption tower for drug production comprises a tower body, an air inlet pipe, a fan, an exhaust pipe, a dust washing cavity, an acid liquid spraying cavity, an alkali liquid spraying cavity, a decomposition cavity and an active carbon adsorption cavity, wherein the acid liquid spraying cavity and the alkali liquid spraying cavity are arranged at the bottoms of the inner walls of two sides of the tower body;

the bottom of each of the dust washing cavity, the acid liquid spraying cavity and the alkali liquid spraying cavity is provided with a liquid outlet with a valve, the air inlet pipe penetrates into the dust washing cavity, one side of the dust washing cavity is provided with a plurality of air inlets I communicated with the acid liquid spraying cavity, the acid liquid spraying cavity and the alkali liquid spraying cavity are sequentially provided with an air guide assembly, a first packing layer and a liquid spraying assembly from bottom to top, and a first communicating pipe is arranged between the acid liquid spraying cavity and the alkali liquid spraying cavity;

alkali lye sprays the chamber and is equipped with a plurality of air inlets two on the contact surface in decomposition chamber, decomposes chamber one side bottom and is equipped with the ozone import, decomposes and is equipped with packing layer two on the intracavity wall, decomposes and is equipped with communicating pipe two between chamber and the active carbon adsorption chamber, and active carbon adsorption intracavity top is located to the fan, and the blast pipe is connected with the fan and locates active carbon adsorption chamber top, and the active carbon adsorption intracavity is equipped with the absorption subassembly.

Particularly, the first air inlet is positioned below the air guide assembly, the first air inlet is obliquely arranged, and the inlet of the first air inlet faces the upper outlet and faces downwards.

Particularly, the air guide assembly comprises an air guide plate, a plurality of air guide ports are formed in the air guide plate, and the air guide plate is fixedly arranged on the inner walls of the acid liquor spraying cavity and the alkali liquor spraying cavity.

Particularly, the liquid spraying assembly comprises a coiled pipe, the coiled pipe is fixedly arranged on the inner walls of the acid liquid spraying cavity and the alkali liquid spraying cavity, a plurality of nozzles are arranged at the bottom of the coiled pipe, and the inlet of the coiled pipe is connected with an external liquid source.

Particularly, the inlet of the first communicating pipe is positioned above the coiled pipe in the acid liquor spraying cavity, and the outlet of the first communicating pipe is positioned below the air guide plate in the alkali liquor spraying cavity.

The adsorption assembly comprises an adsorption box, the adsorption box is arranged at the bottom of an activated carbon adsorption cavity, a plurality of partition plates are arranged on the inner walls of two sides of the adsorption box in a staggered mode, activated carbon particles are filled in the adsorption box, an air inlet net port is formed in the bottom of the adsorption box close to the bottom of the two sides of the communicating pipe, and an air outlet net port is formed in one end of the top of the adsorption box.

Particularly, the inlet of the second communicating pipe is positioned above the second packing layer in the decomposition cavity, and the outlet of the second communicating pipe penetrates into the activated carbon adsorption cavity and is connected with the air inlet net port of the adsorption box.

In particular, the top of the exhaust pipe is provided with a rain-proof cap.

The utility model has the advantages that: the utility model discloses a set up and wash dirt chamber, acidizing fluid and spray the chamber, alkali lye sprays the chamber, decompose the chamber, the active carbon adsorption chamber, tail gas is convenient for remove dust, acid-base neutralization, ozone oxidation decomposes, tail gas treatment is thorough, the acidizing fluid and the alkali lye that spray in the tower are convenient for retrieve alone, avoid taking place neutralization, reuse of being convenient for, and still pass through active carbon particle adsorption filtration before exhausting, not only can adsorb remaining ozone, can further purify tail gas, tail gas treatment is effectual, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1-a liquid discharge port; 2-a tower body; 3-a dust washing cavity; 4, a first air inlet; 5, an air inlet pipe; 6-acid liquor spraying cavity; 7-a first filler layer; 8-a serpentine tube; 9-communicating pipe one; 10-air inlet net port; 11-communicating pipe two; 12-a separator; 13-an adsorption tank; 14-a fan; 15-an exhaust pipe; 16-rain cap; 17-an activated carbon adsorption cavity; 18-air outlet net port; 20-a decomposition chamber; 21-a second filler layer; 22-an ozone inlet; 23-air inlet II; 24-an alkali liquor spraying cavity; 25-a gas guide port; 26-a gas guide plate;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1, a tail gas absorption tower for pharmaceutical production comprises a tower body 2, an air inlet pipe 5, a fan 14, an exhaust pipe 15, a dust washing cavity 3, an acid liquid spraying cavity 6, an alkali liquid spraying cavity 24, a decomposition cavity 20 and an activated carbon adsorption cavity 17, wherein the acid liquid spraying cavity 6 and the alkali liquid spraying cavity 24 are arranged at the bottoms of the inner walls at the two sides of the tower body 2, the dust washing cavity 3 is arranged at the bottom in the tower body 2 and is positioned between the acid liquid spraying cavity 6 and the alkali liquid spraying cavity 24, the activated carbon adsorption cavity 17 is arranged at the top of the acid liquid spraying cavity 6, and the decomposition cavity 20 is arranged at the top of the alkali liquid spraying cavity 24; the acid liquor spraying cavity 6 and the alkali liquor spraying cavity 24 are independently arranged, so that the acid liquor and the alkali liquor are mixed together for neutralization during deacidification and dealkalization of tail gas to influence the treatment effect, and the treated acid liquor and the treated alkali liquor are convenient to recycle.

The bottom of the dust washing cavity 3, the acid liquor spraying cavity 6 and the alkali liquor spraying cavity 24 are provided with liquid discharge ports 1 with valves, the air inlet pipe 5 penetrates into the dust washing cavity 3, one side of the dust washing cavity 3 is provided with a plurality of air inlets 4 communicated with the acid liquor spraying cavity 6, the acid liquor spraying cavity 6 and the alkali liquor spraying cavity 24 are sequentially provided with an air guide assembly, a packing layer 7 and a liquid spraying assembly from bottom to top, and the acid liquor spraying cavity 6 and the alkali liquor spraying cavity 24 are provided with a communicating pipe 9.

The first air inlet 4 is located below the air guide assembly, the first air inlet 4 is obliquely arranged, an inlet of the first air inlet 4 faces the upper outlet and faces downwards, and therefore the sprayed acid liquid in the acid liquid spraying cavity 6 is prevented from entering the dust washing cavity 3.

The air guide assembly comprises an air guide plate 26, a plurality of air guide ports 25 are formed in the air guide plate 26, the air guide plate 26 is fixedly arranged on the inner walls of the acid liquor spraying cavity 6 and the alkali liquor spraying cavity 24, the liquid spraying assembly comprises a coiled pipe 8, the coiled pipe 8 is fixedly arranged on the inner walls of the acid liquor spraying cavity 6 and the alkali liquor spraying cavity 24, a plurality of nozzles are arranged at the bottom of the coiled pipe 8, the inlet of the coiled pipe 8 is connected with an external liquid source, and the inlet of the coiled pipe 8 can be connected with a pump on an external storage tank for storing the acid liquor or the alkali liquor.

The inlet of the communicating pipe I9 is positioned above the coiled pipe 8 in the acid liquor spraying cavity 6, and the outlet of the communicating pipe I9 is positioned below the air guide plate 26 in the alkali liquor spraying cavity 24; tail gas enters a dust washing cavity 3 through an air inlet pipe 5, the air inlet pipe 5 penetrates below the liquid level in the dust washing cavity 3, dust is dissolved in water, gas after dust removal enters an acid liquid spraying cavity 6 through an air inlet I4, then the gas is dispersed through an air guide port 25 and enters a packing layer I7, at the moment, the acid liquid is sprayed through a nozzle at the bottom of a coiled pipe 8 in the acid liquid spraying cavity 6, the acid liquid reacts with waste gas for dealkalization, the gas after dealkalization enters an alkali liquid spraying cavity 24 through a communicating pipe I9, then the gas is dispersed through the air guide port 25 and enters the packing layer I7, at the moment, the nozzle at the bottom of the coiled pipe 8 in the alkali liquid spraying cavity 24 starts to spray alkali liquid, the alkali liquid reacts with the waste gas, and the packing layer I7 is arranged to slow down the flowing speed of reaction materials and prolong the contact time of the reaction materials, so that the reaction is more complete.

A plurality of air inlets II 23 are arranged on the contact surface of the alkali liquor spraying cavity 24 and the decomposition cavity 20, an ozone inlet 22 is arranged at the bottom of one side of the decomposition cavity 20, a packing layer II 21 is arranged on the inner wall of the decomposition cavity 20, a communicating pipe II 11 is arranged between the decomposition cavity 20 and the active carbon adsorption cavity 17, the fan 14 is arranged at the top in the active carbon adsorption cavity 17, the exhaust pipe 15 is connected with the fan 14 and arranged at the top of the active carbon adsorption cavity 17, and a rain blocking cap 16 is arranged at the top of the exhaust pipe 15; the deacidified and dealkalized gas enters the decomposition cavity 20 through the second air inlet 23, then contacts with ozone discharged from the ozone inlet 22 and reacts on the second packing layer 21, and the waste gas is decomposed into harmless gas and then enters the activated carbon adsorption cavity 17 through the second communicating pipe 11.

An adsorption component is arranged in the activated carbon adsorption cavity 17 and comprises an adsorption box 13, the adsorption box 13 is arranged at the bottom in the activated carbon adsorption cavity 17, a plurality of partition plates 12 are arranged on the inner walls of two sides of the adsorption box 13 in a staggered mode, activated carbon particles are filled in the adsorption box 13, an air inlet net port 10 is arranged at the bottom of one side, close to the communicating pipe II 11, of the adsorption box 13, an air outlet net port 18 is arranged at one end of the top of the adsorption box 13, the inlet of the communicating pipe II 11 is located above the packing layer II 21 in the decomposition cavity 20, and the outlet of the communicating pipe II 11 penetrates into the activated carbon adsorption cavity 17 and is connected with the air inlet net port 10 of the adsorption box 13; gas after decomposing gets into in the adsorption tank 13 through communicating pipe two 11 and net gape 10 that admits air, under baffle 12 effect, gaseous snakelike flow in the adsorption tank 13, and it is abundant with the active carbon particle contact, not only can adsorb remaining ozone, can further purify tail gas, and the gas after the processing passes through blast pipe 15 and discharges under the effect of fan 14, can set up the chamber lid on the active carbon adsorption chamber 17, conveniently changes the active carbon particle in the adsorption tank 13.

The utility model discloses the during operation, tail gas gets into the washing dirt in the washing dirt chamber 3 through intake pipe 4, then it sprays the interior dealkalization of chamber 6 to get into the acidizing fluid through an air inlet 4, then it sprays deacidification in 24 to get into alkali lye through communicating pipe one 9, then it decomposes the intracavity 20 oxidation decomposition to get into through two 23 entering of intake pipe, then it adsorbs the filtration to get into the active carbon absorption chamber 17 through two 11 communicating pipes, at last through 15 discharges of blast pipe, the acidizing fluid that the acidizing fluid left in spraying 6, alkali lye sprays the alkali lye that the intracavity 24 was left and can be discharged through leakage fluid dram 1, then fill to the coiled pipe 8 that corresponds once more through the pump in, convenient reuse.

The utility model discloses tail gas is convenient for remove dust, acid-base neutralization, ozone oxidation decomposition, still filters through active carbon particle adsorption before the exhaust, not only can adsorb remaining ozone, can also further purify tail gas, and tail gas treatment is effectual, convenient to use.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only 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, should not be construed as limiting the present 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A tail gas absorption tower for drug production comprises a tower body (2), an air inlet pipe (5), a fan (14), an exhaust pipe (15), and is characterized by further comprising a dust washing cavity (3), an acid liquor spraying cavity (6), an alkali liquor spraying cavity (24), a decomposition cavity (20) and an active carbon absorption cavity (17), wherein the acid liquor spraying cavity (6) and the alkali liquor spraying cavity (24) are arranged at the bottoms of the inner walls of the two sides of the tower body (2), the dust washing cavity (3) is arranged at the inner bottom of the tower body (2) and is positioned between the acid liquor spraying cavity (6) and the alkali liquor spraying cavity (24), the active carbon absorption cavity (17) is arranged at the top of the acid liquor spraying cavity (6), and the decomposition cavity (20) is arranged at the top of the alkali liquor spraying cavity (24);

the bottom of the dust washing cavity (3), the bottom of the acid liquor spraying cavity (6) and the bottom of the alkali liquor spraying cavity (24) are respectively provided with a liquid outlet (1) with a valve, an air inlet pipe (5) penetrates into the dust washing cavity (3), one side of the dust washing cavity (3) is provided with a plurality of air inlets (4) communicated with the acid liquor spraying cavity (6), the acid liquor spraying cavity (6) and the alkali liquor spraying cavity (24) are respectively and sequentially provided with an air guide assembly, a packing layer I (7) and a liquid spraying assembly from bottom to top, and a communicating pipe I (9) is arranged between the acid liquor spraying cavity (6) and the alkali liquor spraying cavity (24);

the contact surface of alkali liquor spraying cavity (24) and decomposition cavity (20) is provided with a plurality of air inlets II (23), the bottom of one side of decomposition cavity (20) is provided with an ozone inlet (22), the inner wall of decomposition cavity (20) is provided with a packing layer II (21), a communicating pipe II (11) is arranged between decomposition cavity (20) and active carbon adsorption cavity (17), the top of active carbon adsorption cavity (17) is arranged in fan (14), exhaust pipe (15) is connected with fan (14) and is arranged at the top of active carbon adsorption cavity (17), and adsorption components are arranged in active carbon adsorption cavity (17).

2. The tail gas absorption tower for the pharmaceutical production as claimed in claim 1, wherein the first gas inlet (4) is located below the gas guide assembly, the first gas inlet (4) is arranged obliquely, and the inlet of the first gas inlet (4) faces downwards towards the upper outlet.

3. The tail gas absorption tower for the pharmaceutical production as claimed in claim 2, wherein the gas guide assembly comprises a gas guide plate (26), the gas guide plate (26) is provided with a plurality of gas guide ports (25), and the gas guide plate (26) is fixedly arranged on the inner walls of the acid liquor spraying cavity (6) and the alkali liquor spraying cavity (24).

4. The tail gas absorption tower for pharmaceutical production as claimed in claim 3, wherein the spray assembly comprises a coil pipe (8), the coil pipe (8) is fixed on the inner walls of the acid liquor spray chamber (6) and the alkali liquor spray chamber (24), a plurality of nozzles are arranged at the bottom of the coil pipe (8), and the inlet of the coil pipe (8) is connected with an external liquid source.

5. The tail gas absorption tower for pharmaceutical production as claimed in claim 4, wherein the inlet of the first communicating pipe (9) is located above the coiled pipe (8) in the acid liquor spraying chamber (6), and the outlet of the first communicating pipe (9) is located below the gas guide plate (26) in the alkali liquor spraying chamber (24).

6. The tail gas absorption tower for the pharmaceutical production according to claim 5, wherein the adsorption component comprises an adsorption tank (13), the adsorption tank (13) is arranged at the bottom in the activated carbon adsorption cavity (17), a plurality of partition plates (12) are arranged on the inner walls of two sides of the adsorption tank (13) in a staggered manner, activated carbon particles are filled in the adsorption tank (13), an air inlet net port (10) is arranged at the bottom of one side of the adsorption tank (13) close to the communicating pipe II (11), and an air outlet net port (18) is arranged at one end of the top of the adsorption tank (13).

7. The tail gas absorption tower for the pharmaceutical production as claimed in claim 6, wherein the inlet of the second communicating pipe (11) is located above the second packing layer (21) in the decomposition chamber (20), and the outlet of the second communicating pipe (11) penetrates into the activated carbon adsorption chamber (17) and is connected with the air inlet port (10) of the adsorption tank (13).

8. The tail gas absorption tower for pharmaceutical production according to claim 7, wherein a rain-proof cap (16) is arranged on the top of the exhaust pipe (15).