CN212523589U

CN212523589U - Ammonia waste gas double absorption device

Info

Publication number: CN212523589U
Application number: CN202021117812.1U
Authority: CN
Inventors: 李瀚�; 徐刚; 赖伟璇; 杨伟宏
Original assignee: Longnan Hongyutai Technology Co Ltd
Current assignee: Longnan Hongyutai Technology Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-12
Anticipated expiration: 2030-06-17

Abstract

The utility model belongs to the technical field of ammonia waste gas treatment, especially, be the dual absorbing device of ammonia waste gas, the cell body, the inside ammonia absorption tank that is equipped with of cell body, ammonia absorption tank front side is equipped with the ammonia and goes into the gas port, the ammonia goes into gas port one end fixedly connected with ammonia and goes into the trachea, ammonia absorption tank rear side fixedly connected with ammonia gas outlet, ammonia gas outlet one end fixedly connected with ammonia outlet duct, ammonia absorption tank top is equipped with the case of breathing in, the first fixed plate of case rear side fixedly connected with of breathing in, the case top of breathing in is through trachea fixedly connected with fan case. The device firstly lets in the ammonia absorption jar to the ammonia and absorbs for the first time to in leading-in ammonia first absorption case and the ammonia second absorption case, spray twice water and absorb, the dual absorbing device of waste gas can make the ammonia absorb more thoroughly, and the ammonia becomes the aqueous ammonia after dissolving in water and can recycle.

Description

Ammonia waste gas double absorption device

Technical Field

The utility model belongs to the technical field of ammonia exhaust-gas treatment, concretely relates to ammonia exhaust-gas double absorption device.

Background

Ammonia gas and inorganic compounds are gases at normal temperature, are colorless, have pungent and foul smell, are easy to dissolve in water, and ammonia water is alkalescent when the ammonia is dissolved in the water, so that the phenolphthalein solution can turn red. The ammonia reacts with acid to obtain ammonium salt, and the ammonia is mainly used as refrigerant and for preparing ammonium salt and nitrogen fertilizer. At present, a large amount of ammonia waste gas is produced in the industrial production process, most ammonia absorption devices cannot achieve the effect of full absorption in the recovery process, a large amount of ammonia is still wasted, resources cannot be effectively utilized, the existing ammonia absorption equipment can only achieve the national minimum standard for ammonia absorption, and some ammonia absorption equipment cannot even achieve the national minimum standard, so that the environment is seriously influenced.

In the actual production at present, most of ammonia absorption adopts a water spraying absorption method, namely, water is sprayed from the top of a tower, ammonia is introduced from the bottom of the tower, a filler is added into the tower, the ammonia is absorbed on the surface of the filler (a water film is formed after water is added), and the ammonia cannot be completely absorbed only by a spraying method.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an ammonia waste gas dual absorption device has solved the problem that once only sprays unable thorough absorption ammonia.

In order to achieve the above object, the utility model provides a following technical scheme: the ammonia waste gas double absorption device comprises a tank body, wherein an ammonia absorption tank is arranged in the tank body, an ammonia inlet is arranged on the front side of the ammonia absorption tank, an ammonia inlet pipe is fixedly connected with one end of the ammonia inlet, an ammonia outlet pipe is fixedly connected with the rear side of the ammonia absorption tank, an ammonia outlet pipe is fixedly connected with one end of the ammonia outlet, an air suction box is arranged above the ammonia absorption tank, a first fixing plate is fixedly connected with the rear side of the air suction box, a fan box is fixedly connected with the top of the air suction box through an air pipe, a first supporting plate is fixedly connected with the bottom of the fan box, a second fixing plate is fixedly mounted on the rear side of the fan box, a fan is arranged in the fan box, a first ammonia absorption box is fixedly connected with the left side of the fan box through a hose, a second supporting plate is fixedly connected with the bottom of the first ammonia absorption box, the ammonia first absorption tank is internally and fixedly provided with a second baffle, a first spray head is arranged above the second baffle, the left side of the ammonia first absorption tank is connected with an ammonia second absorption tank through a gas pipe, the bottom of the ammonia second absorption tank is fixedly connected with a third support plate, the rear side of the ammonia second absorption tank is fixedly connected with a fourth fixed plate, a third baffle is arranged inside the fourth fixed plate, the top of the third baffle is provided with a second spray head, the first spray head and the second spray head are both connected with a water pipe, the left side of the ammonia second absorption tank is provided with a gas outlet, the bottom of the ammonia second absorption tank is fixedly connected with a pump through a hose, and one end of the pump is connected with the ammonia first absorption tank through a hose.

Preferably, the number of the ammonia gas absorption tanks is ten.

Preferably, the first baffle plates are fixedly mounted at two ends of the air suction box.

Preferably, the surfaces of the first fixing plate, the second fixing plate, the third fixing plate and the fourth fixing plate are movably provided with fixing screws.

Preferably, the bottom of the first ammonia gas absorption tank is fixedly connected with a liquid discharge pipe.

Preferably, the number of the first spray head and the second spray head is three.

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

the device firstly lets in the ammonia and absorbs in the ammonia absorption tank for the first time to in leading-in ammonia first absorption case and the ammonia second absorption case, spray twice water and absorb, the dual absorbing device of waste gas can make the ammonia absorb more thoroughly, and the ammonia becomes the aqueous ammonia after dissolving in water and can recycle, wherein, first baffle prevents that water from getting into the fan case, and the second baffle prevents that water from getting into the ammonia first absorption case.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a structural view of the tank body of the present invention;

fig. 3 is a rear view of the present invention;

fig. 4 is a sectional view of the present invention.

In the figure: 1, a groove body; 2, an ammonia gas absorption tank; 3 an ammonia gas inlet; 4, introducing ammonia gas into a gas inlet pipe; 5, an ammonia gas outlet; 6, an ammonia gas outlet pipe; 7, an air suction box; 8 a first baffle; 9 a first fixing plate; 10 pump machine; 11 a fan box; 12 a first support plate; 13 a second fixing plate; 14, a fan; 15 a first ammonia absorption tank; 16 a second support plate; 17 a third fixing plate; 18 a set screw; 19 a second baffle; 20 a first showerhead; 21 a second ammonia absorption tank; 22 a third support plate; 23 a fourth fixing plate; 24 a third baffle; 25 a second spray head; 26 exhaust port.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: the ammonia waste gas double absorption device comprises a tank body 1, an ammonia absorption tank 2 is arranged in the tank body 1, an ammonia inlet 3 is arranged on the front side of the ammonia absorption tank 2, one end of the ammonia inlet 3 is fixedly connected with an ammonia inlet pipe 4, the rear side of the ammonia absorption tank 2 is fixedly connected with an ammonia outlet 5, one end of the ammonia outlet 5 is fixedly connected with an ammonia outlet pipe 6, the ammonia is firstly introduced into the ammonia absorption tank 2 for primary absorption, an air suction box 7 is arranged above the ammonia absorption tank 2 and is used for absorbing ammonia emitted in air, the rear side of the air suction box 7 is fixedly connected with a first fixing plate 9 and is used for fixing the air suction box 7, the top of the air suction box 7 is fixedly connected with a fan box 11 through an air pipe and is used for absorbing air by the air suction box 7, the bottom of the fan box 11 is fixedly connected with a first supporting plate 12 and is used for, a fan 14 is arranged in the fan box 11 and used for absorbing air, a first ammonia absorption box 15 is fixedly connected to the left side of the fan box 11 through a hose and used for the first fusion of ammonia and water, a second supporting plate 16 is fixedly connected to the bottom of the first ammonia absorption box 15 and used for supporting the first absorption box 15, a third fixing plate 17 is fixedly connected to the rear side of the first ammonia absorption box 15 and used for fixing the first absorption box 15 on a wall surface, a second baffle plate 19 is fixedly arranged in the first ammonia absorption box 15 and used for preventing water from entering the fan box 11, a first nozzle 20 is arranged above the second baffle plate 19 and used for spraying water and fusing ammonia, a second ammonia absorption box 21 is connected to the left side of the first ammonia absorption box 15 through an air pipe and used for removing ammonia which is not completely removed by the first ammonia absorption box 15, a third supporting plate 22 is fixedly connected to the bottom of the second ammonia absorption box 21, the rear side fixedly connected with fourth fixed plate 23 of ammonia second absorption tank 21 for be fixed in the ammonia second absorption tank 21 on the wall, fourth fixed plate 23 is inside to be equipped with third baffle 24, prevent that water from getting into in the ammonia first absorption tank 15, third baffle 24 top is equipped with second shower nozzle 25, be used for the blowout water to fuse with the ammonia, first shower nozzle 20 and second shower nozzle 25 all are connected with the water pipe, ammonia second absorption tank 21 left side is equipped with gas vent 26, be used for discharging the air after the purification, there is pump machine 10 ammonia second absorption tank 21 bottom through hose fixedly connected with, pump machine 10 one end is connected with ammonia first absorption tank 15 through the hose, be used for absorbing the aqueous ammonia in ammonia second absorption tank 21 to first absorption tank 15, make things convenient for converging and recycle of aqueous ammonia.

Specifically, the number of the ammonia gas absorption tanks 2 is ten.

Specifically, the first baffle 8 is fixedly installed at two ends of the air suction box 7.

Specifically, the fixing screws 18 are movably mounted on the surfaces of the first fixing plate 9, the second fixing plate 13, the third fixing plate 17 and the fourth fixing plate 23.

Specifically, the bottom of the first ammonia absorption tank 15 is fixedly connected with a liquid discharge pipe.

Specifically, the number of the first spray heads 20 and the second spray heads 25 is three.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, let in the ammonia absorption tank 2 in the ammonia gas income gas port 3 to the ammonia that handles liquid ammonia production, the ammonia is absorbed the back, remaining gas is discharged from ammonia outlet duct 6, open fan 14, the ammonia in giving off is absorbed by suction box 7, get into the first absorption box 15 of ammonia through the hose, first shower nozzle 20 blowout water, with ammonia gas phase mixture from bottom to top, a part ammonia of ammonia is dissolved in water, become the aqueous ammonia, remaining ammonia gets into in the ammonia second absorption box 21 from the hose, second shower nozzle 25 blowout water, mix with ammonia gas phase mixture from bottom to top and become the aqueous ammonia, the remaining gas is discharged from gas vent 26, open pump machine 10, inhale the aqueous ammonia in the ammonia second absorption box 21 in the ammonia first absorption box 15, mix with the aqueous ammonia in the ammonia first absorption box 15, and discharge from the hose.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Ammonia waste gas double absorption device, including cell body (1), its characterized in that: an ammonia absorption tank (2) is arranged inside the tank body (1), an ammonia inlet (3) is arranged on the front side of the ammonia absorption tank (2), an ammonia inlet pipe (4) is fixedly connected with one end of the ammonia inlet (3), an ammonia outlet pipe (5) is fixedly connected with the rear side of the ammonia absorption tank (2), an ammonia outlet pipe (6) is fixedly connected with one end of the ammonia outlet pipe (5), an air suction box (7) is arranged above the ammonia absorption tank (2), a first fixing plate (9) is fixedly connected with the rear side of the air suction box (7), a fan box (11) is fixedly connected with the top of the air suction box (7) through an air pipe, a first supporting plate (12) is fixedly connected with the bottom of the fan box (11), a second fixing plate (13) is fixedly mounted on the rear side of the fan box (11), and a fan (14) is arranged inside the fan, the device is characterized in that the left side of the fan box (11) is fixedly connected with a first ammonia absorption box (15) through a hose, the bottom of the first ammonia absorption box (15) is fixedly connected with a second support plate (16), the rear side of the first ammonia absorption box (15) is fixedly connected with a third fixing plate (17), the first ammonia absorption box (15) is internally and fixedly provided with a second baffle plate (19), a first spray head (20) is arranged above the second baffle plate (19), the left side of the first ammonia absorption box (15) is connected with a second ammonia absorption box (21) through an air pipe, the bottom of the second ammonia absorption box (21) is fixedly connected with a third support plate (22), the rear side of the second ammonia absorption box (21) is fixedly connected with a fourth fixing plate (23), a third baffle plate (24) is arranged inside the fourth fixing plate (23), and a second spray head (25) is arranged at the top of the third baffle plate (24), first shower nozzle (20) and second shower nozzle (25) all are connected with the water pipe, ammonia second absorption tank (21) left side is equipped with gas vent (26), hose fixedly connected with pump (10) is passed through to ammonia second absorption tank (21) bottom, pump (10) one end is connected with ammonia first absorption tank (15) through the hose.

2. The ammonia off-gas double absorption apparatus of claim 1, wherein: the number of the ammonia absorption tanks (2) is ten.

3. The ammonia off-gas double absorption apparatus of claim 1, wherein: and two ends of the air suction box (7) are fixedly provided with first baffle plates (8).

4. The ammonia off-gas double absorption apparatus of claim 1, wherein: and the surfaces of the first fixing plate (9), the second fixing plate (13), the third fixing plate (17) and the fourth fixing plate (23) are movably provided with fixing screws (18).

5. The ammonia off-gas double absorption apparatus of claim 1, wherein: the bottom of the ammonia gas first absorption box (15) is fixedly connected with a liquid discharge pipe.

6. The ammonia off-gas double absorption apparatus of claim 1, wherein: the number of the first spray head (20) and the number of the second spray head (25) are three.