CN218608788U

CN218608788U - Be arranged in acyl chloride production process spent acid gas processing mechanism

Info

Publication number: CN218608788U
Application number: CN202222644553.3U
Authority: CN
Inventors: 杜军丽; 王立生; 杜萧宇; 甄杰奎; 昝云忠; 吕兴旺; 关婵; 刘保卫
Original assignee: Jinan Hongwan Biotechnology Co ltd
Current assignee: Jinan Hongwan Biotechnology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-14
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to an acyl chloride production technical field just discloses a spent acid gas processing agency in being used for acyl chloride production process, comprising a tower body, the surface of tower body left side is close to the fixed position of lower extreme and is connected with the intake pipe, tower body right side fixed surface is connected with the water pipe, water pipe lower extreme fixed surface is connected with the water pump, tower body upper end fixed surface is connected with the outlet duct, the inside inner chamber of having seted up of tower body, the tower body internal surface is close to the first packing layer of fixed position of lower extreme that is connected with, the first baffle that sprays of tower body internal surface fixed connection, the tower body internal surface fixed connection has the second packing layer. This a spent acid gas processing mechanism for among acyl chloride production process possesses the advantage that can make spent acid gas and alkali lye fully contact reaction, and it is big to have solved the scope that sprays in the current spent acid gas treatment tower, and spent acid gas flow velocity is too fast to lead to gas-liquid contact reaction area to reduce, and then can't improve reaction efficiency's problem.

Description

Be arranged in acyl chloride production process spent acid gas processing mechanism

Technical Field

The utility model relates to an acyl chloride technical field specifically is a spent acid gas processing agency in being used for acyl chloride production process.

Background

Aiming at the known structure of the waste acid gas treatment tower, the alkali liquor and the gas which are sprayed in the tower usually flow in the reverse directions and are contacted in a uniform cross flow manner, so that harmful particles in the waste acid gas are trapped in the gas-liquid two-phase contact process, and then are settled, while the flow rate of the waste acid gas is too fast, the spraying range is large, and the waste acid gas cannot be in full contact reaction with the alkali liquor, so that a waste acid gas treatment mechanism which can enable the waste acid gas to be in full contact reaction with the alkali liquor is urgently needed in the market, and the reference patent number: 202120973079.1.

the alkali liquor and the gas sprayed in the existing waste acid gas treatment tower flow in reverse directions and are contacted with each other in a uniform cross flow manner, but the waste acid gas flow velocity is too fast, and the spraying range is large, so that the gas-liquid contact reaction area is reduced, and the reaction efficiency cannot be improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be directed against prior art not enough, the utility model provides a spent acid gas processing mechanism for in acyl chloride production process possesses the advantage that can make spent acid gas and alkali lye fully contact reaction, and it is big to have solved the scope that sprays in the current spent acid gas treatment tower, and spent acid gas flow velocity is too fast to lead to gas-liquid contact reaction area to reduce, and then the unable problem that improves reaction efficiency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spent acid gas treatment mechanism for in acyl chloride production process, includes the tower body, the position fixedly connected with intake pipe that tower body left side surface is close to the lower extreme, tower body right side surface fixedly connected with water pipe, water pipe lower extreme surface fixedly connected with water pump, tower body upper end surface fixedly connected with outlet duct, the inside inner chamber of having seted up of tower body, the tower body internal surface is close to the first packing layer of position fixedly connected with of lower extreme, the first baffle that sprays of tower body internal surface fixedly connected with, tower body internal surface fixedly connected with second packing layer, tower body internal surface fixedly connected with second sprays the baffle, the tower body internal surface is close to the position fixedly connected with mounting bracket of upper end.

Preferably, the outer surface of the upper end of the first spraying partition plate is provided with a through hole, the inner surface of the through hole of the upper end of the first spraying partition plate is fixedly connected with a spray head, the inner surface of the mounting frame is fixedly connected with a rotational flow plate demister, and the outer surface of the spray head is provided with spray holes.

Preferably, the number of the through holes at the upper end of the first spraying partition plate is a plurality, and the through holes at the upper end of the first spraying partition plate are uniformly distributed on the outer surfaces of the upper ends of the first spraying partition plate and the second spraying partition plate.

Preferably, the spray heads are fixedly connected with the water pipe, the number of the spray heads is a plurality, the spray heads are uniformly distributed on the inner surface of the through hole at the upper end of each first spraying partition plate, and the first packing layer and the second packing layer are filled with pall ring packing.

Preferably, the water pump and the swirl plate demister are externally connected with a power supply and are electrically connected with each other, the number of the upper spray holes outside the spray head is a plurality, and the upper spray holes outside the spray head are respectively positioned on the outer surface of each spray head.

Compared with the prior art, the utility model provides a be arranged in acyl chloride production process spent acid gas processing mechanism possesses following beneficial effect:

1. this a spent acid gas treatment mechanism for in acyl chloride production process, through the utility model discloses a design is through installed on tower body position that first spraying baffle, second spray baffle, through-hole, shower nozzle make up into and concentrate and spray the mechanism, spray the mechanism through concentrating and make spent acid gas and alkali lye fully contact and react, will improve gas-liquid contact reaction area, and then improve reaction efficiency, has also increaseed the practicality of this spent acid gas treatment tower like this.

Drawings

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

fig. 2 is a schematic diagram of the relative position of the first spraying partition plate of the present invention;

FIG. 3 is a schematic diagram of the through hole according to the present invention;

FIG. 4 is a schematic view of the demister with a spiral-flow plate according to the present invention;

fig. 5 is a schematic diagram of the position of the nozzle according to the present invention.

Wherein: 1. a tower body; 2. an air inlet pipe; 3. a water pump; 4. a water pipe; 5. an air outlet pipe; 6. an inner cavity; 7. a first filler layer; 8. a first spray baffle; 9. a second packing layer; 10. a second spray baffle; 11. a mounting frame; 12. a through hole; 13. a spray head; 14. a swirl plate demister; 15. and (6) spraying the holes.

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.

Embodiment 1, as shown in fig. 1 to 5, a waste acid gas treatment mechanism used in an acyl chloride production process comprises a tower body 1, wherein an air inlet pipe 2 is fixedly connected to a position, close to the lower end, of the outer surface of the left side of the tower body 1, a water pipe 4 is fixedly connected to the outer surface of the right side of the tower body 1, a water pump 3 is fixedly connected to the outer surface of the lower end of the water pipe 4, an air outlet pipe 5 is fixedly connected to the outer surface of the upper end of the tower body 1, an inner cavity 6 is formed inside the tower body 1, a first packing layer 7 is fixedly connected to a position, close to the lower end, of the inner surface of the tower body 1, a first spraying partition plate 8 is fixedly connected to the inner surface of the tower body 1, a second packing layer 9 is fixedly connected to the inner surface of the tower body 1, a second spraying partition plate 10 is fixedly connected to a position, close to the upper end, of the inner surface of the tower body 1, an installation frame 11 is fixedly connected to the position, a large amount of waste acid gas is conveyed into the inner cavity 6 of the tower body 1 through the air inlet pipe 2 by a worker, when waste acid gas passes through the first packing layer 7, the high-efficiency and low-resistance pall ring packing in the first packing layer 7 can effectively remove partial peculiar smell and harmful substances in the gas, after the waste acid gas is firstly filtered, the waste acid gas rises to the first spraying partition plate 8, the first spraying partition plate 8 blocks the waste acid gas from rising, the waste acid gas can only continue rising through the through holes 12 on the first spraying partition plate 8, then, a worker starts the water pump 3 to convey alkali liquor into the spray head 13 through the water pipe 4, the spray head 13 uniformly sprays the alkali liquor into the through holes 12 on the first spraying partition plate 8 through the spray holes 15, the waste acid gas is concentrated through the through holes 12 on the first spraying partition plate 8 to be in gas-liquid two-phase full contact absorption and neutralization reaction with the alkali liquor, then, the waste acid gas passes through the first spraying partition plate 8 and is repeatedly filtered and purified through the second packing layer 9 and the second spraying partition plate 10, at this moment, the waste acid gas just accomplishes and purifies, reaches the emission requirement, and at last, the staff starts whirl plate defroster 14, and the waste acid gas is behind the whirl plate defroster 14 defogging that dewaters again, discharges through outlet duct 5, and the waste acid gas is concentrated like this and is sprayed baffle 10 and alkali lye full contact and react through first spraying baffle 8 and second, will improve gas-liquid contact reaction area, and then improves reaction efficiency, has also increaseed the practicality of this waste acid gas treatment tower like this.

In order to achieve the using effect of the device, the model of the water pump 3 of the device is QY280-12-7.5, the power is 7.5KW, and the caliber is 8 inches, so that the alkali liquor can be better conveyed into the spray head for spraying and can be in contact reaction with the waste acid gas.

The working principle is as follows: a large amount of waste acid gas is conveyed into an inner cavity 6 of a tower body 1 through an air inlet pipe 2 by an operator, when the waste acid gas passes through a first packing layer 7, high-efficiency and low-resistance pall ring packing in the first packing layer 7 can effectively remove partial peculiar smell and harmful substances in the gas, after the waste acid gas is filtered for the first time, the waste acid gas rises to a first spraying partition plate 8, the first spraying partition plate 8 blocks the waste acid gas from rising, the waste acid gas can only continuously rise through holes 12 in the first spraying partition plate 8, then, the operator starts a water pump 3, alkali liquor is conveyed into a spray head 13 through a water pipe 4, the spray head 13 uniformly sprays the alkali liquor in through holes 12 in the first spraying partition plate 8 through a spray hole 15, the waste acid gas is intensively passed through the through holes 12 in the first spraying partition plate 8 and is in gas-liquid two-phase full contact absorption and neutralization reaction with the alkali liquor, then, the waste acid gas passes through the first spraying partition plate 8, after passing through the second packing layer 9, odor, harmful substances and the like in the waste acid gas can be thoroughly removed by the pall ring packing in the second packing layer 9, after the waste acid gas is filtered again, the waste acid gas rises to the second spraying partition plate 10, the waste acid gas is concentrated to pass through the through holes 12 on the first spraying partition plate 8 and is subjected to gas-liquid two-phase full contact absorption neutralization reaction with alkali liquor, so that the waste acid gas is ensured not to have residual waste acid gas, the waste acid gas is repeatedly filtered and purified, the waste acid gas is purified at the moment and reaches the emission requirement, finally, a worker starts the swirl plate demister 14, the waste acid gas is dewatered and demisted by the swirl plate demister 14 and is discharged through the gas outlet pipe 5, so that the waste acid gas is concentrated to pass through the first spraying partition plate 8 and the second spraying partition plate 10 and is subjected to full contact reaction with the alkali liquor, the gas-liquid contact reaction area is increased, and the reaction efficiency is further improved, this also increases the utility of the spent acid gas treatment column.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spent acid gas processing mechanism for in acyl chloride production process, includes tower body (1), its characterized in that: the utility model discloses a tower body, including tower body (1), outer surface of left side is close to position fixedly connected with intake pipe (2) of lower extreme, tower body (1) right side outer fixed surface is connected with water pipe (4), water pipe (4) lower extreme outer fixed surface is connected with water pump (3), tower body (1) upper end outer fixed surface is connected with outlet duct (5), inner chamber (6) have been seted up to tower body (1) inside, tower body (1) internal surface is close to the first packing layer of position fixedly connected with (7) of lower extreme, tower body (1) internal surface fixedly connected with is first to spray baffle (8), tower body (1) internal surface fixedly connected with second packing layer (9), tower body (1) internal surface fixedly connected with second sprays baffle (10), tower body (1) internal surface is close to position fixedly connected with mounting bracket (11) of upper end.

2. The waste acid gas treatment mechanism for the acyl chloride production process according to claim 1, characterized in that: through-hole (12) have been seted up to first baffle (8) upper end surface that sprays, first baffle (8) upper end through-hole (12) internal surface fixed connection has shower nozzle (13) sprays, mounting bracket (11) internal surface fixed connection has whirl board defroster (14), orifice (15) have been seted up to shower nozzle (13) surface.

3. The waste acid gas treatment mechanism used in the acyl chloride production process according to claim 2, characterized in that: the number of the through holes (12) at the upper end of the first spraying partition plate (8) is a plurality of, and the through holes (12) at the upper end of the first spraying partition plate (8) are uniformly distributed on the outer surfaces of the upper ends of the first spraying partition plate (8) and the second spraying partition plate (10).

4. The waste acid gas treatment mechanism for the acyl chloride production process according to claim 2, characterized in that: the spray heads (13) are fixedly connected with the water pipes (4), the number of the spray heads (13) is a plurality, the spray heads are uniformly distributed on the inner surface of the through hole (12) at the upper end of each first spraying partition plate (8), and the first packing layer (7) and the second packing layer (9) are filled with pall ring packing.

5. The waste acid gas treatment mechanism for the acyl chloride production process according to claim 2, characterized in that: the water pump (3) and the swirl plate demister (14) are externally connected with a power supply, the water pump (3) and the swirl plate demister (14) are electrically connected with each other, the number of the spray holes (15) on the spray head (13) is a plurality of, and the spray holes (15) on the spray head (13) are respectively located on the outer surface of each spray head (13).