CN210021646U

CN210021646U - Absorbing device of tail gas containing ammonia gas

Info

Publication number: CN210021646U
Application number: CN201920478552.1U
Authority: CN
Inventors: 闫广学; 吴彦彬; 李凯; 宋国全; 吴正岭; 肖强
Original assignee: MAIQI CHEMICAL Co Ltd
Current assignee: MAIQI CHEMICAL Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-02-07
Anticipated expiration: 2029-04-10

Abstract

The utility model relates to a tail gas processing apparatus field, concretely relates to absorbing device who contains tail gas of ammonia. The air distribution box comprises a box body, intake pipe one end extends to in the box, intake pipe one end in the box is fixed with the standpipe rather than the intercommunication, the cover is equipped with the sleeve pipe on the standpipe, the sleeve pipe lower extreme is fixed with the distribution box, distribution box upper end passes through the telescoping cylinder with the intake pipe and is connected, be fixed with on the box bottom plate with the chassis of distribution box with the axle center, the chassis upper end is fixed with the ejector pin with the axle center with the gas pocket, be provided with the liquid dish in the box of intake pipe top, filter ring inner edge and liquid dish outer fringe lower extreme fixed connection, filter ring outer fringe and box inner edge fixed connection, the equipartition is fixed with a plurality of. The utility model discloses, simple structure, convenient operation, simple structure, easy operation, ammonia absorption efficiency are high, can reduce the pollution to the environment, and are with low costs.

Description

Absorbing device of tail gas containing ammonia gas

Technical Field

The utility model relates to a tail gas processing apparatus field, concretely relates to absorbing device who contains tail gas of ammonia.

Background

Ammonia is an important production raw material in chemical industry production, but the strong pungent smell of ammonia can cause damage and pollution to human health and atmospheric environment, so that in order to avoid air pollution caused by directly discharging a large amount of industrial tail gas containing ammonia gas generated in chemical industry into the atmosphere, a certain method is needed to absorb the ammonia gas in the industrial tail gas. Ammonia gas and inorganic compounds are gases at normal temperature, are colorless, have pungent and foul smell, and are easily soluble in water, but ammonia monohydrate is unstable and is decomposed by heating to generate ammonia and water, so that the absorptivity of light water as an absorbent is not high, and the general absorptivity is more than 60%; meanwhile, most of the absorption towers adopt a liquid spraying mode to dissolve ammonia gas in the sprayed mist liquid, however, the gas is in a flowing state in the container, the sprayed mist is difficult to fill the whole container, and the dissolution and recovery of ammonia gas are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure, easy operation, ammonia absorption efficiency are high, can reduce the pollution to the environment, with low costs absorbing device who contains the tail gas of ammonia.

In order to realize the purpose, the utility model provides a technical scheme is:

an absorption device for tail gas containing ammonia gas comprises a box body, wherein a liquid inlet pipe communicated with the inside of the box body is fixed at the lower end of the left side of the box body, a transverse air inlet pipe is fixed at the middle part of the right side of the box body, one end of the air inlet pipe extends into the box body, a vertical pipe communicated with the air inlet pipe is fixed at one end of the air inlet pipe in the box body, a sleeve pipe is sleeved on the vertical pipe and is in sliding sealing contact with the vertical pipe, a gas distribution box is fixed at the lower end of the sleeve pipe, the upper end of the gas distribution box is connected with the air inlet pipe through a telescopic cylinder, the gas distribution box is of a hollow structure and is communicated with the sleeve pipe, a plurality of air holes are uniformly distributed on a bottom plate of the gas distribution box body, a chassis coaxial with the gas distribution box is fixed on a bottom plate of the box body, a mandril coaxial with the air holes is fixed, the inner edge of the filter ring is fixedly connected with the lower end of the outer edge of the liquid disc, the outer edge of the filter ring is fixedly connected with the inner edge of the box body, a plurality of atomization nozzles communicated with the atomization nozzles are uniformly distributed and fixed on the outer edge of the liquid disc, the spraying direction of the atomization nozzles faces towards the inner edge of the box body, a solution tank is fixed at the upper end of the box body, the solution tank is communicated with the liquid disc through a connecting pipe, a supercharger communicated with an air outlet is fixed at the upper end of the solution tank, a liquid injection pipe communicated with the solution tank is fixed at the upper end of the solution.

Specifically, the liquid inlet pipe and the liquid injection pipe are both provided with valves.

Specifically, a sealing sleeve is fixed on the inner edge of the sleeve, and the inner edge of the sealing sleeve is in sliding sealing connection with the outer edge of the vertical pipe.

Specifically, the upper end of the ejector rod is a tip.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, simple structure, convenient operation, simple structure, easy operation, ammonia absorption efficiency are high, can reduce the pollution to the environment, and are with low costs.

Drawings

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

Detailed Description

As shown in fig. 1, an absorbing device for tail gas containing ammonia gas comprises a box body 1, wherein a liquid inlet pipe 6 communicated with the inside of the box body is fixed at the lower end of the left side of the box body 1, a valve is arranged on the liquid inlet pipe 6, a transverse air inlet pipe 2 is fixed at the middle part of the right side of the box body 1, one end of the air inlet pipe 2 extends into the box body 1, a vertical pipe 3 communicated with the air inlet pipe 2 is fixed at one end of the air inlet pipe in the box body 1, a sleeve 18 is sleeved on the vertical pipe 3, a sealing sleeve 5 is fixed at the inner edge of the sleeve 18, and. The lower end of the sleeve 18 is fixedly provided with a gas distribution box 19, the upper end of the gas distribution box 19 is connected with the air inlet pipe 2 through a telescopic cylinder 4, the gas distribution box 19 is of a hollow structure, the gas distribution box 19 is communicated with the sleeve 18, a plurality of air holes 9 are uniformly distributed on the bottom plate of the gas distribution box 19, the bottom plate of the box body 1 is fixedly provided with a chassis 7 which is coaxial with the gas distribution box 19, the upper end of the chassis 7 is fixedly provided with a mandril 8 which is coaxial with the air holes 9, and the upper end of the mandril 8 is a tip. A liquid disc 10 coaxial with the box 1 is arranged in the box 1 above the air inlet pipe 2, a gap is arranged between the outer edge of the liquid disc 10 and the inner edge of the box 1, a filter ring 12 is arranged in the gap between the outer edge of the liquid disc 10 and the inner edge of the box 1, the inner edge of the filter ring 12 is fixedly connected with the lower end of the outer edge of the liquid disc 10, the outer edge of the filter ring 12 is fixedly connected with the inner edge of the box 1, a plurality of atomizing nozzles 11 communicated with the liquid disc 10 are uniformly distributed and fixed on the outer edge of the liquid disc 10, the spraying direction of the atomizing nozzles 11 faces to the inner edge of the box 1, a solution box 14 is fixed at the upper end of the box 1, the solution box 14 is communicated with the liquid disc 10 through a connecting pipe 13, a booster 16 communicated with an air outlet is fixed at the upper end of the solution box 14, a liquid injection pipe 15 communicated.

The utility model discloses during the use, through annotating liquid pipe 15 and feed liquor pipe 6 and inject saturated sodium chloride solution into solution tank 14 and box 1 respectively, it makes telescopic cylinder 4's telescopic link drive distribution box 19 down to start telescopic cylinder 4, until gas pocket 9 on the 19 bottom plates of distribution box does not go into in the saturated sodium chloride solution of box 1, then start booster compressor 16, make booster compressor 16 pressurize in solution tank 14, saturated sodium chloride solution in solution tank 14 will spout in the clearance between liquid dish 10 outer fringe and the 1 inner edge of box through atomizer 11, and then make above-mentioned clearance in by atomizing saturated sodium chloride solution fill, tail gas is through intake pipe 2, standpipe 3 gets into behind in the distribution box 19 and discharge from gas pocket 9 and the saturated sodium chloride solution in the box 1 mixes, part ammonia in the tail gas reacts with the saturated sodium chloride solution in the box 1, the tail gas that part was got rid of to the sodium chloride solution in the box 1 filters after the distribution of filtration pore on ring 12 with atomizing ammonia solution, the distribution of atomization ring 12 The spray head 11 sprays the mist saturated sodium chloride solution which is fully contacted, the contact area of the mist saturated sodium chloride solution and the tail gas can be increased, so that the ammonia in the tail gas is removed to the maximum extent, and the tail gas from which the ammonia is removed is discharged after passing through the exhaust pipe 17.

The telescopic cylinder 4 is started when tail gas is not treated, so that the gas distribution box 19 is separated from a saturated sodium chloride solution in the box body 1, the saturated sodium chloride solution is prevented from crystallizing and corroding the gas distribution box 9 at the air hole 9, the telescopic cylinder 4 is started after the air hole 9 is blocked by impurities in the tail gas, the gas distribution box 19 descends, the ejector rod 8 is inserted into the air hole 9, and the air hole 9 is dredged by the ejector rod 8.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an absorbing device of tail gas that contains ammonia gas, which comprises a box body (1), the utility model is characterized in that, box body (1) left side lower extreme is fixed with feed liquor pipe (6) rather than inside intercommunication, box body (1) right side middle part is fixed with horizontal intake pipe (2), intake pipe (2) one end extends to in the box body (1), intake pipe (2) one end in the box body (1) is fixed with standpipe (3) rather than the intercommunication, the cover is equipped with sleeve pipe (18) on standpipe (3), sleeve pipe (18) and standpipe (3) sliding seal contact, sleeve pipe (18) lower extreme is fixed with distribution box (19), distribution box (19) upper end is connected through telescopic cylinder (4) with intake pipe (2), distribution box (19) are hollow structure, distribution box (19) and sleeve pipe (18) intercommunication, the equipartition has seted up a plurality of gas pocket (9) on distribution box (19) bottom plate, be fixed with distribution box (1) bottom plate chassis (7) with the axle center, an ejector rod (8) coaxial with the air hole (9) is fixed at the upper end of the chassis (7), a liquid disc (10) coaxial with the box body (1) is arranged in the box body (1) above the air inlet pipe (2), a gap is arranged between the outer edge of the liquid disc (10) and the inner edge of the box body (1), a filter ring (12) is arranged in the gap between the outer edge of the liquid disc (10) and the inner edge of the box body (1), the inner edge of the filter ring (12) is fixedly connected with the lower end of the outer edge of the liquid disc (10), the outer edge of the filter ring (12) is fixedly connected with the inner edge of the box body (1), a plurality of atomizing nozzles (11) communicated with the liquid disc are uniformly distributed and fixed on the outer edge of the liquid disc (10), the spraying direction of the atomizing nozzles (11) faces towards the inner edge of the box body (1), a solution tank (14) is fixed at the upper end of the box body (1), the solution tank (14) is communicated with, the upper end of the solution tank (14) is fixed with a liquid injection pipe (15) communicated with the solution tank, and the upper end of the tank body (1) is fixed with an exhaust pipe (17) communicated with the inside of the tank body.

2. The device for absorbing tail gas containing ammonia gas as claimed in claim 1, wherein the liquid inlet pipe (6) and the liquid injection pipe (15) are provided with valves.

3. The device for absorbing tail gas containing ammonia gas according to claim 1, wherein a sealing sleeve (5) is fixed on the inner edge of the sleeve (18), and the inner edge of the sealing sleeve (5) is connected with the outer edge of the vertical pipe (3) in a sliding and sealing manner.

4. The device for absorbing tail gas containing ammonia gas as claimed in claim 1, wherein the upper end of the ejector rod (8) is a tip.