CN215388645U

CN215388645U - Be used for low nitrogen combustion apparatus in boiler equipment

Info

Publication number: CN215388645U
Application number: CN202121520613.XU
Authority: CN
Inventors: 陆君杰; 王彩珍; 梁杏
Original assignee: Shanghai Chunran Environmental Engineering Co ltd
Current assignee: Shanghai Chunran Environmental Engineering Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-04
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses low-nitrogen combustion equipment for boiler equipment, which comprises an equipment shell, wherein an installation plate is fixedly installed on the equipment shell, a water storage plate positioned in the equipment shell is arranged on the lower side of the inner end of the installation plate, a plurality of spray pipes communicated with the water storage plate are arranged on the lower side of the water storage plate, a stirring tank is arranged on the upper side of the outer end of the installation plate, and the stirring tank is fixedly installed outside the equipment shell. The denitration device comprises a treatment device, a motor, a water storage plate, a spraying structure, a water storage plate, a motor, a water storage plate, a water storage tank, a water storage plate and a plurality of spray pipes.

Description

Be used for low nitrogen combustion apparatus in boiler equipment

Technical Field

The utility model relates to combustion equipment, in particular to low-nitrogen combustion equipment used in boiler equipment.

Background

The boiler is an energy converter, which is a device for heating working medium water or other fluids to certain parameters by using heat energy released by fuel combustion or other heat energy. The boiler is divided into a boiler part and a furnace part. Low nitrogen combustion is the formation of nitrogen oxides as part of the combustion reaction: the nitrogen oxides generated by combustion are mainly NO and NO2, which are collectively called as NOx, NOx generated by boiler equipment during combustion can be dissolved in water to generate nitric acid rain, the nitric acid rain can bring wide harm to the environment and cause huge economic loss, and in a general non-catalytic denitration scheme, a denitration agent such as liquid ammonia, ammonia gas or a urea solution is mostly added in a flue gas treatment process at 800-1100 ℃ to reduce the emission of the nitrogen oxides.

However, when spraying the denitrifier into the boiler or the decomposing furnace at present, the denitrifier is usually simply poured into the boiler equipment, and the contact between the denitrifier and the flue gas in the denitration reaction equipment is insufficient, so that the flue gas denitration is incomplete, and the denitration effect of the boiler equipment is seriously influenced. Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a low-nitrogen combustion apparatus for use in a boiler plant.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a low nitrogen combustion apparatus for a boiler plant to solve the above problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a flue gas pipe that is used for low nitrogen combustion apparatus in boiler equipment, includes the equipment shell, fixed mounting is by the mounting panel on the equipment shell, and the inner downside of mounting panel is equipped with the water storage plate that is located the equipment shell, the downside of water storage plate is provided with the spray tube of a plurality of intercommunication water storage plates, the outer end upside of mounting panel is equipped with the agitator tank, agitator tank fixed mounting is outside the equipment shell, rotates in the agitator tank to be connected with the stirring rake, the intercommunication is installed to the lower part of equipment shell.

Preferably, the outer end downside fixed mounting of mounting panel has the motor, and the motor shaft of motor passes through rotary column and stirring rake fixed connection.

Preferably, a communicating pipe is connected between the bottom of the stirring tank and the water storage plate, and an electromagnetic valve is arranged on the communicating pipe.

Preferably, the water storage plate is rotatably connected with the communicating pipe, driving wheels located in the mounting plate are fixedly mounted on the upper side of the water storage plate and on the periphery of a motor shaft of the motor, and a driving belt is sleeved on the periphery of each of the left driving wheel and the right driving wheel.

Preferably, the spray pipe is provided with a booster pump, and a plurality of spray heads are arranged on the periphery of the spray pipe.

Preferably, the side of the upper end periphery of the spray pipe is fixedly provided with a gear, and the inner side of the equipment shell is fixedly provided with an inner gear ring meshed with a plurality of gears.

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

1. according to the denitration device, the stirring tank is arranged outside the treatment equipment, so that the denitration liquid fed into the treatment equipment is fully mixed and stirred, the liquid can exert the maximum effect, and the denitration effect of the equipment is improved.

2. According to the denitration device, the spraying structure is arranged in the equipment shell, the motor drives the water storage plate to rotate, and the denitration liquid is uniformly sprayed out of the plurality of spray pipes to cover all corners of the equipment, so that the denitration liquid and the flue gas are mixed and react fully.

Drawings

FIG. 1 is a schematic view of a low nitrogen combustion apparatus for use in a boiler plant.

FIG. 2 is a schematic view showing the internal structure of an apparatus casing used in a low nitrogen combustion apparatus in a boiler apparatus.

FIG. 3 is a schematic top view of a low nitrogen combustion apparatus for use in a boiler plant.

In the figure: 1. an equipment housing; 2. a stirring tank; 3. a stirring paddle; 4. mounting a plate; 5. a motor; 6. a flue gas pipe; 7. an inner gear ring; 8. a water storage plate; 9. a nozzle; 10. an electromagnetic valve; 11. a communicating pipe; 12. turning the column; 13. a gear; 14. a booster pump; 15. a driving wheel; 16. a transmission belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a low-nitrogen combustion apparatus for a boiler apparatus includes an apparatus housing 1, an installation plate 4 is fixedly installed on the apparatus housing 1, a water storage plate 8 located in the apparatus housing 1 is disposed on a lower side of an inner end of the installation plate 4, a plurality of spray pipes 9 communicated with the water storage plate 8 are disposed on a lower side of the water storage plate 8, a booster pump 14 is installed on the spray pipes 9, a plurality of nozzles are installed on a peripheral side of the spray pipes 9, a gear 13 is fixedly installed on a peripheral side of an upper end of the spray pipes 9, and an inner toothed ring 7 engaged with the plurality of gears 13 is fixedly installed on an inner side of the apparatus housing 1.

Further, the outer end upside of mounting panel 4 is equipped with

agitator tank

2, 2 fixed mounting of agitator tank are in 1 outsides of equipment casing, are connected with communicating pipe 11 between agitator tank 2's bottom and water storage plate 8, just be provided with solenoid valve 10 on communicating

pipe

11, and 2 internal rotations of agitator tank are connected with stirring rake 3, and the outer end downside fixed mounting of mounting panel 4 has motor 5. And the motor shaft of the motor 5 is fixedly connected with the stirring paddle 3 through the rotating column 12.

In dropping into agitator tank 2 with denitration liquid, control motor 5 work, motor 5's motor shaft passes through rotary column 12 and drives fixed connection's stirring rake 3 and rotate, mixes the stirring to the denitration liquid that drops into, and combustion apparatus passes through flue gas pipe 6 intercommunication equipment shell 1, opens solenoid valve 10, and liquid flows into in the water storage plate 8 through communicating pipe 11.

Furthermore, the water storage plate 8 is rotatably connected with the communicating pipe 11, driving wheels 15 positioned in the mounting plate 4 are fixedly arranged on the upper side of the water storage plate 8 and on the periphery of a motor shaft of the motor 5, a driving belt 16 is sleeved on the periphery of the left driving wheel 15 and the right driving wheel 15, and a communicated flue gas pipe 6 is arranged on the lower portion of the equipment shell 1.

When the rotary column 12 rotates, the driving wheel 15 and the driving belt 16 inside the mounting plate 4 enable the water storage plate 8 connected in the equipment shell 1 to rotate, denitration liquid introduced into the water storage plate 8 is pressurized by the booster pump 14 and is sprayed out through a plurality of spray heads on the spray pipes 9, and when the water storage plate 8 rotates, the gear 13 at the upper end of the water storage plate is meshed with the inner toothed ring 7 in the equipment shell 1, so that the spray pipes 9 rotate, and the diffusion speed of the liquid sprayed out of the spray pipes 9 in the equipment shell 1 is accelerated.

The working principle of the utility model is as follows:

the equipment needs an external controller to control and operate the motor 5 and the electromagnetic valve 10;

putting the denitration liquid into the stirring tank 2, controlling the motor 5 to work, driving a fixedly connected stirring paddle 3 to rotate by a motor shaft of the motor 5 through a rotating column 12, mixing and stirring the put denitration liquid, communicating the combustion equipment with the equipment shell 1 through a flue gas pipe 6, opening the electromagnetic valve 10, and enabling the liquid to flow into the water storage plate 8 through a communicating pipe 11;

and 12 pivoted in the rotary column, inside drive wheel 15 of mounting panel 4 and drive belt 16 make the water storage plate 8 of equipment shell 1 internal connection rotate, the denitration liquid that lets in the water storage plate 8 is passed through a plurality of shower nozzles blowout on the spray tube 9 by the booster pump 14 pressure boost, and in the pivoted of water storage plate 8, through the gear 13 of its upper end and the meshing of the interior ring gear 7 of equipment shell 1, make a plurality of spray tubes 9 rotate, accelerate the diffuse speed of spray tube 9 blowout liquid in equipment shell 1, and then accelerate the treatment effeciency and the treatment effect of flue gas.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a be used for low nitrogen combustion apparatus in boiler equipment, includes equipment shell (1), its characterized in that, fixed mounting is by mounting panel (4) on equipment shell (1), and the inner downside of mounting panel (4) is equipped with and is located water storage plate (8) in equipment shell (1), the downside of water storage plate (8) is provided with spray tube (9) of a plurality of intercommunication water storage plates (8), the outer end upside of mounting panel (4) is equipped with agitator tank (2), agitator tank (2) fixed mounting is outside in equipment shell (1), and agitator tank (2) internal rotation is connected with stirring rake (3), flue gas pipe (6) of intercommunication are installed to the lower part of equipment shell (1).

2. The low-nitrogen combustion device in a boiler plant as recited in claim 1, characterized in that the lower side of the outer end of the mounting plate (4) is fixedly provided with a motor (5), and the motor shaft of the motor (5) is fixedly connected with the stirring paddle (3) through a rotary column (12).

3. The low-nitrogen combustion device in a boiler plant as recited in claim 1, characterized in that a communicating pipe (11) is connected between the bottom of the agitator tank (2) and the water storage plate (8), and the communicating pipe (11) is provided with an electromagnetic valve (10).

4. The low-nitrogen combustion device in a boiler plant as claimed in claim 1, wherein the water storage plate (8) is rotatably connected with the communicating pipe (11), driving wheels (15) located in the mounting plate (4) are fixedly installed on the upper side of the water storage plate (8) and the periphery of the motor shaft of the motor (5), and a driving belt (16) is sleeved on the periphery of the left and right driving wheels (15).

5. The low-nitrogen combustion device in a boiler plant as claimed in claim 1, wherein the lance (9) is provided with a booster pump (14), and a plurality of nozzles are arranged around the lance (9).

6. The low-nitrogen combustion device in a boiler plant according to claim 1, characterized in that a gear (13) is fixedly mounted on the upper peripheral side of the lance (9), and an inner ring gear (7) engaged with the gears (13) is fixedly mounted on the inner side of the device housing (1).