CN214914911U

CN214914911U - Flue gas denitration equipment

Info

Publication number: CN214914911U
Application number: CN202120671620.3U
Authority: CN
Inventors: 岳金承睿
Original assignee: Tianjin Jinyutian Environmental Protection Technology Co ltd
Current assignee: Tianjin Jinyutian Environmental Protection Technology Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-30
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a flue gas denitration device, which comprises a main body, the lower fixed surface of main body is connected with water-spraying layer, the lower fixed surface of water-spraying layer is connected with the storehouse of wasting discharge, the inside fixed mounting in the storehouse of wasting discharge has the pulling drawer, one side fixed connection has the smog pipeline of main body surface, one side fixed connection has the denitration district of smog pipeline surface, among the current flue gas denitration device, to the denitration tower that has the spray structure, generally through spraying the aqueous ammonia, make aqueous ammonia and flue gas fully mix, dissolve nitrogen gas, dust in the flue gas inside the aqueous ammonia, then subside in the subsider of denitration tower bottom, need to repeat to spray many times for the liquid part, and the horizontal cross-section in the denitration tower is great, spray hardly covers every position, lead to part flue gas not fully contact with the aqueous ammonia and just directly discharge, the problem that the flue gas emission is not up to standard and causes the influence to the environment, for this reason we propose flue gas denitration equipment.

Description

Flue gas denitration equipment

Technical Field

The utility model belongs to the technical field of flue gas denitration, concretely relates to flue gas denitration equipment.

Background

The flue gas denitration technology mainly comprises a dry method (selective catalytic reduction flue gas denitration, selective non-catalytic reduction denitration) and a wet method, and compared with the wet flue gas denitration technology, the dry flue gas denitration technology has the main advantages that: the method has the advantages of low basic investment, simple equipment and process, high NOx removal efficiency, no wastewater or waste treatment, and difficult secondary pollution, and sulfur dioxide is one of the important pollution sources of the atmosphere and has great pollution hazard, so in the seventies, the research on flue gas denitration technology is listed as the key point for preventing and treating the atmospheric pollution by many countries, and practical treatment devices on industrial scale are built successively.

Among the current flue gas denitration equipment, to the denitration tower that has the spray structure, generally all through spraying the aqueous ammonia, make aqueous ammonia and flue gas intensive mixing, nitrogen gas in the flue gas, the dust is dissolved inside the aqueous ammonia, then subside in the subsider of denitration tower bottom, need repeat many times to spray to the liquid part, and great in the inside horizontal cross section of denitration tower, it hardly covers every position to spray, lead to partial flue gas not with the aqueous ammonia direct discharge of insufficient contact, the problem that the flue gas emission is not up to standard and cause the influence to the environment, for this reason we propose flue gas denitration equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas denitration equipment, in order to solve the current flue gas denitration equipment that proposes in the above-mentioned background art, to having the denitration tower that sprays the structure, generally all through spraying the aqueous ammonia, make aqueous ammonia and flue gas intensive mixing, with nitrogen gas in the flue gas, the dust is dissolved inside the aqueous ammonia, then subside in the subsider of denitration tower bottom, need repeat to spray many times to the liquid part, and it is great in the inside horizontal cross section of denitration tower, it hardly covers every position to spray, lead to part flue gas not with the aqueous ammonia not fully contact with just directly discharging, the problem that the flue gas emission is not up to standard and causes the influence to the environment.

In order to achieve the above object, the utility model provides a following technical scheme: flue gas denitration equipment, comprising a main body, the lower fixed surface of main part is connected with water spray layer, water spray layer's lower fixed surface is connected with the storehouse of wasting discharge, the inside fixed mounting in storehouse of wasting discharge has the pulling drawer, one side fixedly connected with smog pipeline of main part surface, one side fixedly connected with denitration district of smog pipeline surface, the middle part of main part is provided with the water spray district, the inside fixed mounting in water spray district has the cylinder shower nozzle, the hole for water spraying has been seted up at the middle part of cylinder shower nozzle, water spray layer's inside fixed mounting has circular shower nozzle.

Preferably, the upper surface in water spray district is provided with solid fixed ring, gu fixed ring's inside fixedly connected with power district, the inside fixed mounting in power district has the axis of rotation, the outer fixed surface of axis of rotation is connected with the fan leaf, the upper surface of fan leaf is provided with dense filter screen, the upper surface of dense filter screen is provided with the smog mouth, the inside fixed mounting of smog mouth has the wire netting.

Preferably, the outer surface of the cylindrical spray head is fixedly connected with a plastic film, and the number of the cylindrical spray heads is multiple.

Preferably, a circular spray head is fixedly installed inside the water spraying layer, and a plurality of water spraying holes are formed in the middle of the circular spray head.

Preferably, the pulling drawer is fixedly arranged inside the waste discharging bin and can move back and forth.

Preferably, the inner surface of the fixing ring is fixedly connected to the outer surface of the power area, and an iron wire net is fixedly mounted in the middle of the smoke port.

Preferably, the outer surface of the rotating shaft is fixedly connected with a fan blade, and the upper surface of the fan blade is provided with a dense filter screen.

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

1. smog pipeline through the design, the storehouse of wasting discharge, the pulling drawer, water spray layer and water spray zone, among the current flue gas denitration device has been solved, to the denitration tower that has the spray structure, generally all through spraying the aqueous ammonia, make aqueous ammonia and flue gas intensive mixing, nitrogen gas in the flue gas, the dust is dissolved inside the aqueous ammonia, then subside in the subsider of denitration tower bottom, need repeat to spray many times to the liquid part, and it is great in the inside horizontal cross section of denitration tower, it hardly covers every position to spray, lead to partial flue gas not with the aqueous ammonia not fully contact with just direct discharge, the fume emission is not up to standard and lead to the fact the problem of influence to the environment.

2. Through the smog mouth, wire netting, axis of rotation, fan leaf and the solid fixed ring of design, the device of being convenient for plays the effect in fixed power district through the solid fixed ring of design in the use, has played through the axis of rotation of design and has driven the fan leaf and rotate, improves the effect of exhaust fume efficiency, has solved flue gas denitration equipment because the great removal of smog density is slow, the slow problem of exhaust fume speed.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the shower head of the present invention;

FIG. 3 is a schematic side sectional view of the spraying area of the present invention;

FIG. 4 is a schematic cross-sectional view of the power section of the present invention;

fig. 5 is a schematic view of the smoke outlet structure of the present invention.

In the figure: 1. a main body; 2. a denitration zone; 3. a smoke conduit; 4. a waste discharge bin; 5. pulling the drawer; 6. spraying a water layer; 7. a water spraying area; 8. a circular spray head; 9. a cylindrical nozzle; 10. a water spray hole; 11. a fixing ring; 12. a power zone; 13. a dense filter screen; 14. a smoke port; 15. a wire mesh; 16. a rotating shaft; 17. a fan blade.

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. 1-5, the present invention provides a technical solution: flue gas denitration equipment, including main part 1, the lower fixed surface of main part 1 is connected with water spray layer 6, the lower fixed surface of water spray layer 6 is connected with waste discharge bin 4, waste discharge bin 4's inside fixed mounting has pulling drawer 5, one side fixedly connected with smog pipeline 3 of main part 1 surface, one side fixedly connected with denitration district 2 of smog pipeline 3 surface, the middle part of main part 1 is provided with water spray district 7, the inside fixed mounting of water spray district 7 has cylinder shower nozzle 9, water hole for spraying 10 has been seted up at the middle part of cylinder shower nozzle 9, the inside fixed mounting of water spray layer 6 has circular shower nozzle 8.

In this embodiment, in the use, 2 smog after with the denitration of denitration district get into the inside of main part 1 from smog pipeline 3 through the filtration of dense filter screen 13 after, the flue gas gets into afterwards, the circular shower nozzle 8 of fixed connection in the middle of the cylindrical spray head 9 that is provided with and the water spray layer 6 in the middle of the water spray district 7 will follow the inside aqueous ammonia that outwards spouts of hole for water spraying 10, make aqueous ammonia and flue gas intensive mixing, nitrogen gas in with the flue gas, the dust is dissolved inside the aqueous ammonia, then subsides in the inside of arranging useless storehouse 4, then will stimulate drawer 5 and outwards pull out and can discharge inside wastes material, the inside horizontal cross section of denitration tower can be solved to the benefit of this design is great, it hardly covers every position to spray, lead to part flue gas not fully contact with the aqueous ammonia and just directly discharge, the flue gas emission is not up to standard and causes the problem of influence to the environment.

Specifically, the upper surface of the water spraying area 7 is provided with a fixing ring 11, the inside of the fixing ring 11 is fixedly connected with a power area 12, the inside of the power area 12 is fixedly provided with a rotating shaft 16, the outer surface of the rotating shaft 16 is fixedly connected with a fan blade 17, the upper surface of the fan blade 17 is provided with a dense filter screen 13, the upper surface of the dense filter screen 13 is provided with a smoke port 14, and the inside of the smoke port 14 is fixedly provided with a wire netting 15.

In this embodiment, smog continues the rebound after spraying in the use, the flue gas continues the rebound after the filtration of dense filter screen 13, because smog removes in the tower slower, inside fixed mounting at power district 12 has axis of rotation 16, axis of rotation 16 drives fan blade 17 through the rotation of internal machine and rotates, produce wind-force, accelerate smog rebound, pass through dense filter screen 13 again during the rebound and then discharge from smog mouth 14, gu fixed ring 11's effect is fixed power district 12, wire netting 15's effect prevents that the overhead foreign matter from falling into the tower in and causing the influence to the fan, flue gas denitration equipment can be solved to the benefit of this design because the great removal of smog density is slow, the slow problem of exhaust fume velocity.

Specifically, the outer surface of the cylindrical nozzle 9 is fixedly connected with a plastic film, and the number of the cylindrical nozzles 9 is multiple.

In this embodiment, the cylindrical nozzle 9 is used to spray ammonia water to the outside, so that the ammonia water and the flue gas are mixed sufficiently, and nitrogen and dust in the flue gas are dissolved in the ammonia water.

Specifically, a circular spray head 8 is fixedly installed inside the water spray layer 6, and a plurality of water spray holes 10 are formed in the middle of the circular spray head 8.

In this embodiment, the circular nozzle 8 serves to spray the ammonia water upward, thereby preventing the mist from settling at the bottom of the main body 1.

Specifically, the pulling drawer 5 is fixedly installed inside the waste discharge bin 4, and the pulling drawer 5 can move back and forth.

In this embodiment, the waste bin 4 is used for storing the waste in the smoke, and the waste can be discharged out of the tower by pulling the drawer 5.

Specifically, the inner surface of the fixing ring 11 is fixedly connected to the outer surface of the power area 12, and the middle of the smoke port 14 is fixedly provided with a wire mesh 15.

In this embodiment, the fixing ring 11 is used to prevent the power section 12 from falling off due to the rotation of the fan, and the wire netting 15 is used to prevent foreign matters from falling into the tower and affecting the fan.

Specifically, the outer surface of the rotating shaft 16 is fixedly connected with a fan blade 17, and the upper surface of the fan blade 17 is provided with a dense filter screen 13.

In this embodiment, the rotating shaft 16 is used to drive the fan blades 17 to rotate, and the fan blades 17 rotate to generate wind force to increase the speed of smoke exhaust.

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. Flue gas denitration equipment, including main part (1), its characterized in that: the lower fixed surface of main part (1) is connected with water spray layer (6), the lower fixed surface of water spray layer (6) is connected with waste discharge storehouse (4), the inside fixed mounting in waste discharge storehouse (4) has pulling drawer (5), one side fixedly connected with smog pipeline (3) of main part (1) surface, one side fixedly connected with denitration district (2) of smog pipeline (3) surface, the middle part of main part (1) is provided with water spray district (7), the inside fixed mounting in water spray district (7) has cylinder shower nozzle (9), hole for water spraying (10) have been seted up at the middle part of cylinder shower nozzle (9), the inside fixed mounting of water spray layer (6) has circular shower nozzle (8).

2. The flue gas denitration apparatus according to claim 1, characterized in that: the upper surface of water spray district (7) is provided with solid fixed ring (11), the inside fixedly connected with power district (12) of solid fixed ring (11), the inside fixed mounting of power district (12) has axis of rotation (16), the outer fixed surface of axis of rotation (16) is connected with fan leaf (17), the upper surface of fan leaf (17) is provided with dense filter screen (13), the upper surface of dense filter screen (13) is provided with smoke mouth (14), the inside fixed mounting of smoke mouth (14) has wire netting (15).

3. The flue gas denitration apparatus according to claim 1, characterized in that: the outer surface of the cylindrical spray head (9) is fixedly connected with a plastic film, and the number of the cylindrical spray heads (9) is multiple.

4. The flue gas denitration apparatus according to claim 1, characterized in that: the inner part of the water spraying layer (6) is fixedly provided with a circular spray head (8), and the middle part of the circular spray head (8) is provided with a plurality of water spraying holes (10).

5. The flue gas denitration apparatus according to claim 1, characterized in that: the pulling drawer (5) is fixedly arranged in the waste discharge bin (4), and the pulling drawer (5) can move back and forth.

6. The flue gas denitration apparatus according to claim 2, characterized in that: the internal surface fixed connection of solid fixed ring (11) is in the surface of power district (12), the middle part fixed mounting of smog mouth (14) has wire netting (15).

7. The flue gas denitration apparatus according to claim 2, characterized in that: the outer surface of the rotating shaft (16) is fixedly connected with a fan blade (17), and the upper surface of the fan blade (17) is provided with a dense filter screen (13).