CN218077226U

CN218077226U - Ammonia removal system between fly ash solidification

Info

Publication number: CN218077226U
Application number: CN202222386441.2U
Authority: CN
Inventors: 李振明; 刘建敏
Original assignee: Weifang Strong Environmental Protection Equipment Co ltd
Current assignee: Weifang Strong Environmental Protection Equipment Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-20
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to the technical field of waste gas treatment, and discloses an ammonia removal system between flying ash solidification, including a spray barrel and a dilute sulphuric acid pool arranged on one side of the spray barrel, one side of the spray barrel is communicated with an exhaust pipe, the exhaust pipe is communicated with the outside of the flying ash solidification room, the other side of the spray barrel is communicated with an air suction cover, the top of the inner cavity of the spray barrel is fixed with a spray mechanism, the bottom of the inner cavity of the spray barrel is fixed with a floor drain, one side below the floor drain is communicated with a liquid discharge pipe, the other side below the floor drain is communicated with a return pipe, and the surface of the return pipe is fixed with a second water pump; the utility model discloses when using, the staff uses this device to absorb the air between the flying dust solidification to the use sprays the mechanism, makes the dilute sulfuric acid liquid spray the ammonia, reaches the purpose of ammonia among the air-purifying, and when configuration dilute sulfuric acid, places bucket and the volumetric setting of water tank through the concentrated sulfuric acid, alright with the dilute sulfuric acid liquid that obtains specific concentration, it is very convenient.

Description

Ammonia removal system between fly ash solidification

Technical Field

The utility model relates to an exhaust-gas treatment technical field specifically is an ammonia removal system between flying dust solidification.

Background

The fly ash generated by the incineration of garbage contains a large amount of toxic substances, belongs to national regulated hazardous wastes, and must be subjected to stabilization/solidification treatment before entering a hazardous waste landfill. The curing with cement is a curing/stabilizing method which is widely applied, and has better curing effect compared with the traditional methods such as lime curing and the like. At present, many domestic landfills of hazardous waste have begun to adopt cement curing technology to control the toxic substance pollution of incineration fly ash.

There is a large amount of toxic substance in the flying dust, still can produce the ammonia when the solidification, the ammonia is the gas colorless, there is strong pungent smell, the people inhales too much, can arouse the lung swelling, to death and death, a small amount of ammonia go on open the window the ventilation can, so most flying dust solidification workshops do not possess specially carry out the equipment handled to the ammonia, but under specific conditions, because the staff negligence and neglected the taste of ammonia and lead to the ammonia poisoning, or because flying dust composition special can produce more ammonia, just can cause the influence to the staff, very dangerous.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove ammonia system between flying ash solidification, when using, the staff uses this device to absorb the air between the flying ash solidification to use and spray the mechanism, make dilute sulfuric acid liquid spray the ammonia, reach the purpose of ammonia among the air-purifying, and when configuration dilute sulfuric acid, place bucket and the volumetric setting of water tank through the concentrated sulfuric acid, alright obtain the dilute sulfuric acid liquid of specific concentration, it is very convenient.

In order to achieve the above object, the utility model provides a following technical scheme: the ammonia removal system comprises a spray barrel and a dilute sulfuric acid tank arranged on one side of the spray barrel, wherein an exhaust pipe is communicated with one side of the spray barrel and communicated to the outside of a fly ash solidification room, an air suction cover is communicated with the other side of the spray barrel, a spray mechanism is fixed to the top of an inner cavity of the spray barrel, a floor drain is fixed to the bottom of the inner cavity of the spray barrel, a liquid discharge pipe is communicated with one side below the floor drain, a return pipe is communicated with the other side below the floor drain, a second water pump is fixed to the surface of the return pipe and communicated to the upper side of the inner cavity of the dilute sulfuric acid tank, a water tank is fixed to the top of the dilute sulfuric acid tank, a concentrated sulfuric acid placing barrel is communicated with the top of the water tank, an external water pipe is communicated with one side of the water tank, a liquid outlet pipe is communicated with the lower side of the water tank and communicated to the top of the inner cavity of the dilute sulfuric acid tank, a concentrated sulfuric acid placing barrel is communicated with the top of the concentrated sulfuric acid placing barrel, and an electromagnetic valve is arranged on the surface of the liquid outlet pipe.

Preferably, the spraying mechanism comprises a first water pump, the first water pump is fixed at the top of the dilute sulfuric acid pool, the action end of the first water pump is communicated with a suction pipe, the suction pipe is communicated to the top of the inner cavity of the spraying barrel, one side of the suction pipe is communicated with a transverse pipe, and a plurality of spray heads are fixed on the surface of the transverse pipe.

Preferably, the shower nozzle is the atomising head, and the quantity is a plurality of and equally divide the cloth in the downside of violently managing the surface equally.

Preferably, the shape of the air suction cover is horn-shaped, and the opening of one side far away from the spraying barrel is larger than the opening of one side of the spraying barrel.

Preferably, a partition plate is fixed on one side of the inner cavity of the spraying barrel, the top of the partition plate is connected to the top of the inner cavity of the spraying barrel, and the lower side of the partition plate is located at the center of the spraying barrel.

Preferably, a grid is fixed on the surface of the air suction cover, and the distance between grid strips is 1cm-2cm.

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

the utility model discloses when using, the staff uses this device to absorb the air between the flying dust solidification, and use and spray the mechanism, make dilute sulfuric acid solution spray the ammonia, through the chemical reaction between dilute sulfuric acid and ammonia, thereby absorb the ammonia, reach the purpose of ammonia among the air-purifying, and when disposing dilute sulfuric acid, place bucket and the volumetric setting of water tank through the concentrated sulfuric acid, under staff's operation, alright in order to obtain the dilute sulfuric acid solution of specific concentration, it is very convenient, fly ash solidification has been solved, the ammonia is diffused and is easily produced the problem of influence to staff's safety, solved simultaneously when using dilute sulfuric acid solution to absorb the ammonia, staff manually prepares the indefinite problem of dilute sulfuric acid solution concentration.

Drawings

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

FIG. 2 is a schematic view of a three-dimensional structure of a rear side view angle of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 4 is a schematic view of the middle part of the three-dimensional structure of the present invention.

In the figure: 1. a spray barrel; 2. an air exhaust pipe; 3. an air intake cover; 4. a grid; 5. a dilute sulfuric acid tank; 6. a water tank; 7. placing a barrel for concentrated sulfuric acid; 8. an external pipe for concentrated sulfuric acid; 9. is externally connected with a water pipe; 10. a spraying mechanism; 1001. a first water pump; 1002. a straw; 1003. a transverse tube; 1004. a spray head; 11. a partition plate; 12. a floor drain; 13. a second water pump; 14. returning the pipe; 15. an electromagnetic valve; 16. a liquid outlet pipe; 17. and a liquid discharge pipe.

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, an ammonia removal system for a fly ash solidification chamber includes a spray barrel 1, and a dilute sulphuric acid pool 5 arranged at one side of the spray barrel 1, one side of the spray barrel 1 is communicated with an exhaust pipe 2, the exhaust pipe 2 is communicated outside a fly ash solidification room, the other side of the spray barrel 1 is communicated with an air suction cover 3, the top of the inner cavity of the spray barrel 1 is fixed with a spray mechanism 10, the bottom of the inner cavity of the spray barrel 1 is fixed with a floor drain 12, one side below the floor drain 12 is communicated with a liquid discharge pipe 17, the other side below the floor drain 12 is communicated with a return pipe 14, the surface of the return pipe 14 is fixed with a second water pump 13, the return pipe 14 is communicated with the upper side of the inner cavity of the dilute sulphuric acid pool 5, the top of the dilute sulphuric acid pool 5 is fixed with a water tank 6, the top of the water tank 6 is communicated with a concentrated sulphuric acid placing barrel 7, one side of the water tank 6 is communicated with an external water pipe 9, the lower side of the water tank 6 is communicated with a liquid discharge pipe 16, the liquid discharge pipe 16 is communicated with the top of the inner cavity of the dilute sulphuric acid pool 5, the top of the concentrated sulphuric acid placing barrel 7 is communicated with a concentrated sulphuric acid external pipe 8, a surface electromagnetic valve 15 is arranged on the liquid discharge pipe 16, when the device is used, a worker can use the device, and the spraying mechanism 10 is used to spray the ammonia gas by the dilute sulphuric acid solution, and through the chemical reaction between the dilute sulphuric acid and the ammonia gas, thereby absorbing ammonia gas to achieve the purpose of purifying ammonia gas in air, and when preparing dilute sulphuric acid, through the arrangement of the volumes of the concentrated sulphuric acid placing barrel 7 and the water tank 6, under the operation of workers, dilute sulfuric acid solution with specific concentration can be obtained, which is very convenient, solves the problem that the ammonia gas is easy to diffuse in a fly ash solidification room to affect the safety of the workers, meanwhile, the problem that when dilute sulfuric acid solution is used for absorbing ammonia gas, the concentration of the dilute sulfuric acid solution is not determined by manual preparation of workers is solved.

It should be noted that the solenoid valve 15 is also disposed on the connection pipe between the concentrated sulfuric acid external connection pipe 8, the liquid discharge pipe 17, the external connection water pipe 9, the concentrated sulfuric acid placing barrel 7 and the water tank 6, and the concentrated sulfuric acid and iron generate a compact oxide layer film to prevent further oxidation, the air exhaust pipe 2 is a combination of a pipeline and a fan disposed inside the air exhaust pipe 2, and the structure is simple, so it is not shown in the drawings.

Spray mechanism 10 and include first water pump 1001, first water pump 1001 is fixed in the top of dilute sulphuric acid pond 5, the effect end intercommunication of first water pump 1001 has straw 1002, straw 1002 communicates to the top of spray barrel 1 inner chamber, one side intercommunication of straw 1002 has violently pipe 1003, the fixed surface of violently pipe 1003 has a plurality of shower nozzle 1004, in this embodiment, through first water pump 1001, straw 1002, violently pipe 1003 and shower nozzle 1004's setting, to the fly ash solidification room in needs, when removing ammonia, the staff uses exhaust tube 2, under the effect of exhaust tube 2, the air carries the ammonia and enters into spray barrel 1 from breathing in cover 3, then the staff opens first water pump 1001, effect at first water pump 1001, the top in dilute sulphuric acid pond 5Then, the dilute sulfuric acid enters the suction pipe 1002 from the dilute sulfuric acid pool 5, and reaches the transverse pipe 1003 from the suction pipe 1002, finally, the air in the spray barrel 1 is sprayed under the action of the spray head 1004, and the ammonia gas and the dilute sulfuric acid are subjected to chemical reaction (NH) ₃ +H ₂ SO ₄ ＝NH ₄ HSO ₄ ) And absorbing ammonia gas.

Shower nozzle 1004 is the atomising head, and quantity is a plurality of and equally divides equally in the downside on violently managing 1003 surface for a plurality of, and through this kind of setting, when spraying mechanism 10 and spraying the ammonia, can increase the area of spraying, makes ammonia and dilute sulphuric acid contact surface increase to through the setting of distance, can make spraying in the spray barrel 1 spray more evenly.

The shape of the air suction cover 3 is horn-shaped, and the opening far away from one side of the spraying barrel 1 is larger than the opening on one side of the spraying barrel 1.

One side of spraying 1 inner chamber of bucket is fixed with baffle 11, and the top of baffle 11 is connected in the top of spraying 1 inner chamber of bucket, and the downside of baffle 11 is located the central point that sprays bucket 1 and puts, in this embodiment, through the setting of baffle 11, when spraying mechanism 10 and spraying bucket 1, can completely cut off dilute sulfuric acid liquid, avoids dilute sulfuric acid liquid to be absorbed to external world by exhaust tube 2 and causes the pollution to external world.

The surface of the air suction cover 3 is fixed with the grids 4, the distance between the strips of the grids 4 is 1cm-2cm, and in the embodiment, by the arrangement, when air between the solidified flying ash is sucked, large foreign matters can be prevented from entering the spray barrel 1, so that the spray barrel 1 is damaged, and the safety and the practicability of the device are improved.

The working principle is as follows: when in use, firstly, a worker opens the electromagnetic valve 15 on the surface of the external concentrated sulfuric acid connecting pipe 8, fills the concentrated sulfuric acid liquid into the concentrated sulfuric acid placing barrel 7, closes the pipeline between the concentrated sulfuric acid placing barrel 7 and the water tank 6, opens the electromagnetic valve 15 on the surface of the external connecting pipe 9, fills the water in the water tank 6, after the water tank 6 and the concentrated sulfuric acid placing barrel 7 are filled, the staff stops filling the water tank 6 and the concentrated sulfuric acid placing barrel 7, the electromagnetic valve 15 on the surface of the liquid outlet pipe 16 and the pipeline between the concentrated sulfuric acid placing barrel 7 and the water tank 6 are opened during the work, so that the sulfuric acid in the concentrated sulfuric acid placing barrel 7 is filled into the water tank 6 and is continuously filled into the dilute sulfuric acid pool 5 under the action of gravity, in the flowing process, concentrated sulfuric acid and water are mixed, dilute sulfuric acid with specific concentration is arranged in the volumes of a water tank 6 and a concentrated sulfuric acid placing barrel 7, the top of a dilute sulfuric acid pool 5 is provided with an exhaust hole, hot gas generated in the mixing process of concentrated sulfuric acid and water is discharged from the exhaust hole, when ammonia gas in a fly ash solidification room needs to be purified, a worker opens the exhaust pipe 2, under the action of the exhaust pipe 2, the air carries ammonia gas into the spray barrel 1, at the moment, the worker opens the spray mechanism 10 to spray the ammonia gas and the air by the dilute sulfuric acid in the dilute sulfuric acid pool 5 through the spray head 1004, after spraying, the waste liquid flows downwards through the floor drain 12, at which time the staff can choose whether to recycle or discharge the liquid, and if circulation is needed, the staff opens the second water pump 13, and closes the electromagnetic valve 15 on the surface of the discharge pipe 17, the waste liquid is returned to the dilute sulphuric acid pool 5 through a return pipe 14 and can be reused, and if circulation is not needed, the electromagnetic valve 15 on the surface of the liquid discharge pipe 17 is opened for discharging.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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 fly ash solidification room removes ammonia system, includes spray barrel (1) to and set up in dilute sulphuric acid pond (5) of spray barrel (1) one side, its characterized in that: one side of the spraying barrel (1) is communicated with an air suction pipe (2), the air suction pipe (2) is communicated to the outside of a fly ash solidification room, the other side of the spraying barrel (1) is communicated with an air suction cover (3), the top of an inner cavity of the spraying barrel (1) is fixedly provided with a spraying mechanism (10), the bottom of the inner cavity of the spraying barrel (1) is fixedly provided with a floor drain (12), one side of the lower part of the floor drain (12) is communicated with a liquid discharge pipe (17), the other side of the lower part of the floor drain (12) is communicated with a return pipe (14), the surface of the return pipe (14) is fixedly provided with a second water pump (13), the return pipe (14) is communicated to the upper side of the inner cavity of the dilute sulfuric acid tank (5), the top of the dilute sulfuric acid tank (5) is fixedly provided with a water tank (6), the top of the water tank (6) is communicated with a concentrated sulfuric acid placing barrel (7), one side of the water tank (6) is communicated with an external water pipe (9), the lower side of the water tank (6) is communicated with a liquid discharge pipe (16), the concentrated sulfuric acid placing barrel (7) is communicated with a concentrated sulfuric acid placing barrel (8), the liquid discharge pipe (16) is communicated with the concentrated sulfuric acid placing barrel (8), and the surface of the liquid discharge pipe (16) is provided with an electromagnetic valve (15).

2. A fly ash solidification room ammonia removal system according to claim 1, wherein: the spraying mechanism (10) comprises a first water pump (1001), the first water pump (1001) is fixed to the top of the dilute sulfuric acid tank (5), the acting end of the first water pump (1001) is communicated with a suction pipe (1002), the suction pipe (1002) is communicated to the top of the inner cavity of the spraying barrel (1), one side of the suction pipe (1002) is communicated with a transverse pipe (1003), and a plurality of spray heads (1004) are fixed on the surface of the transverse pipe (1003).

3. A fly ash solidification chamber ammonia removal system according to claim 2, wherein: the spray heads (1004) are atomizing heads, and the number of the spray heads is a plurality of spray heads which are equally distributed on the lower side of the surface of the transverse pipe (1003) at equal intervals.

4. A fly ash solidification room ammonia removal system according to claim 1, wherein: the shape of the air suction cover (3) is horn-shaped, and the opening at one side far away from the spraying barrel (1) is larger than the opening at one side of the spraying barrel (1).

5. A fly ash solidification room ammonia removal system according to claim 1, wherein: a partition plate (11) is fixed on one side of the inner cavity of the spraying barrel (1), the top of the partition plate (11) is connected to the top of the inner cavity of the spraying barrel (1), and the lower side of the partition plate (11) is located at the center of the spraying barrel (1).

6. A fly ash solidification room ammonia removal system according to claim 1, wherein: the surface of the air suction cover (3) is fixed with a grating (4), and the distance between the bars of the grating (4) is 1cm-2cm.