CN212881824U

CN212881824U - Nitrogen oxide purifier for flue gas purification

Info

Publication number: CN212881824U
Application number: CN202021061787.XU
Authority: CN
Inventors: 蒋月国; 杭川岩
Original assignee: Shanghai Zhigong Environmental Technology Co Ltd
Current assignee: Shanghai Zhigong Environmental Technology Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-04-06
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a flue gas purification technology field especially relates to a nitrogen oxide purifier for flue gas purification, including the tower body, the tower body is provided with 5 at least to the bottom intercommunication on tower body surface has the branch pipe, the one end intercommunication of keeping away from the tower body is managed to the branch has many lead connectors to the air inlet intercommunication that leads to the connector has the external pipe, be connected with the pivot through the bearing frame rotation between the both sides of tower body inner wall. The utility model discloses a set up a plurality of tower bodies, make flue gas circulation be interrupted to carry to different tower bodies inside, the circulation is interrupted the inside closed reaction of flue gas of device tower body to stir through stirring the flabellum, the flue gas mixes the flow reaction with higher speed, make flue gas reaction time and contact effect obtain effectively promoting, save the structure of traditional built-in tower body of packing simultaneously, make the maintenance operation of tower body more convenient and swift, avoid traditional structure to influence the problem of flue gas velocity of flow.

Description

Nitrogen oxide purifier for flue gas purification

Technical Field

The utility model relates to a flue gas purification technical field especially relates to a nitrogen oxide purifier for flue gas purification.

Background

The nitrogen oxide is an important pollutant in the atmospheric pollutants, and is one of the main pollutants causing acid rain and photochemical smog, the nitrogen oxide in the atmosphere mainly comes from the emission of flue gas in industrial production, particularly mainly the combustion process of fossil fuels such as coal, petroleum and the like and the roasting and smelting process of ores, along with the continuous development of the economic society, the industrial scale is gradually expanded, the flue gas amount discharged by a boiler is multiplied, the emission amount of the nitrogen oxide is also sharply increased, for the sustainable development of the environment, a series of policies and regulations for controlling the emission of the nitrogen oxide are gradually issued by the national environmental protection department, and meanwhile, the requirement for synchronously installing a flue gas nitrogen oxide removal device is also provided for a thermal power plant.

In the flue gas purification process, the key problem lies in how to make the harmful substance in the flue gas fully react, and among the prior art, inside the tower body was full of to the flue gas denitration tower extensively adopted multilayer filler and filter media, the flue gas resistance was great, and the filter media is changed and is safeguarded the complex operation consuming time consuming, and the flue gas lasts to enter into the tower body simultaneously and discharges in-process reaction time weak point, can not guarantee that the flue gas fully reacts.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nitrogen oxide purifier for gas cleaning.

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

a nitrogen oxide purification device for flue gas purification comprises a tower body, wherein at least 5 tower bodies are arranged, the bottom of the surface of each tower body is communicated with a branch pipe, one ends of the branch pipes, far away from the tower body, are communicated with a multi-way connector, air inlets of the multi-way connectors are communicated with an outer pipe, a rotating shaft is rotatably connected between two sides of the inner wall of each tower body through a bearing seat, stirring blades are fixedly connected to the surface of the rotating shaft, through holes are formed in the surfaces of the stirring blades, one end of the rotating shaft penetrates through the tower body and extends to the outside of the tower body, an installation frame is fixedly connected to one side of the surface of each tower body, a motor is fixedly connected to the top of the installation frame, one end of a motor output shaft is fixedly connected with one end, extending to the outside of the tower body, a spray disc is arranged in the tower body and, and the one end intercommunication that the spray dish was kept away from to first connecting pipe has the circulating pump, the water inlet intercommunication of circulating pump has the second connecting pipe, the one end that the circulating pump was kept away from to the second connecting pipe runs through the tower body and extends to the inside bottom of tower body.

Preferably, the top of the tower body is communicated with an exhaust pipe, the inside of the exhaust pipe is fixedly connected with a first electronic valve, and the inside of the branch pipe is fixedly connected with a second electronic valve.

Preferably, the bottom of the interior of the tower body is fixedly connected with a gas distributor, and a gas inlet of the gas distributor is communicated with one end of the branch pipe.

Preferably, one end of the external connecting pipe, which is far away from the multi-way connector, is communicated with an electrostatic dust collector, an air inlet of the electrostatic dust collector is communicated with a flue gas pipe, and the middle part of the external connecting pipe is provided with a gas flowmeter.

Preferably, one side of the tower body is communicated with a liquid supplementing pipe, and one end, far away from the tower body, of the liquid supplementing pipe is communicated with a liquid supplementing groove.

Preferably, a liquid replenishing pump is fixedly connected inside the liquid replenishing tank, and a water outlet of the liquid replenishing pump is communicated with one end of the liquid replenishing pipe.

Preferably, a demister is fixedly connected to the top of the interior of the tower body, and the part of the rotating shaft penetrating through the tower body is sealed.

The utility model discloses possess following beneficial effect at least:

through setting up a plurality of tower bodies, make flue gas circulation be interrupted to carry to different tower bodies inside, the circulation is interrupted the closed reaction of the inside flue gas of device tower body, and stir through stirring the flabellum, mix the flow reaction with higher speed flue gas, make flue gas reaction time and contact effect obtain effectively promoting, save the structure of traditional built-in tower body that packs simultaneously, make the maintenance operation of tower body more convenient and swift, avoid the problem that traditional structure influences the flue gas velocity of flow.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a top view of the structure of the present invention;

fig. 2 is a cross-sectional view of the tower structure of the present invention.

In the figure: 1. a tower body; 2. pipe distribution; 3. a multi-way joint; 4. an external connection pipe; 5. a rotating shaft; 6. stirring fan blades; 7. a through hole; 8. a mounting frame; 9. a motor; 10. spraying a disc; 11. a first connecting pipe; 12. a circulation pump; 13. a second connecting pipe; 14. an exhaust pipe; 15. a first electronic valve; 16. a second electronic valve; 17. a gas distributor; 18. an electrostatic precipitator; 19. a flue gas pipe; 20. a gas flow meter; 21. a liquid supplementing pipe; 22. a liquid supplementing groove; 23. a liquid supplementing pump; 24. a demister.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, a nitrogen oxide purification device for flue gas purification, comprising a tower body 1, wherein the tower body 1 is provided with at least 5, the bottom of the surface of the tower body 1 is communicated with a branch pipe 2, one end of the branch pipe 2, which is far away from the tower body 1, is communicated with a multi-way connector 3, an air inlet of the multi-way connector 3 is communicated with an external pipe 4, a rotating shaft 5 is rotatably connected between two sides of the inner wall of the tower body 1 through a bearing seat, stirring fan blades 6 are fixedly connected to the surface of the rotating shaft 5, through holes 7 are formed in the surface of the stirring fan blades 6, one end of the rotating shaft 5 penetrates through the tower body 1 and extends to the outside of the tower body 1, one side of the surface of the tower body 1 is fixedly connected with an installation frame 8, a motor 9 is fixedly connected to the top of the installation frame 8, one end of an output shaft of the motor, the top intercommunication of spray dish 10 has first connecting pipe 11 to the one end intercommunication that spray dish 10 was kept away from to first connecting pipe 11 has circulating pump 12, and circulating pump 12's water inlet intercommunication has second connecting pipe 13, and circulating pump 12 was kept away from to second connecting pipe 13 one end runs through tower body 1 and extends to the inside bottom of tower body 1, and the quantity of tower body 1 is more, and the flue gas reaction time is longer more.

The scheme has the following working processes:

the flue gas is dedusted by an electrostatic precipitator 18 through a flue gas pipe 19 and then enters a multi-way joint 3 through an external connecting pipe 4, second electronic valves 16 in different branch pipes 2 are sequentially opened for a certain time in sequence, so that the flue gas sequentially enters different tower bodies 1, the flue gas entering the tower bodies 1 is uniformly introduced into reaction liquid at the bottom of the tower bodies 1 through a gas distributor 17 for first contact reaction, gas overflowing from the reaction liquid is filled in the tower bodies 1, a first electronic valve 15 in an exhaust pipe 14 at the top of the tower bodies 1 is kept closed, a circulating pump 12 pumps the reaction liquid at the bottom in the tower bodies 1 to a spray disc 10 for atomization and spraying, the reaction liquid is continuously reacted with the flue gas in the tower bodies 1, a rotating shaft 5 and stirring fan blades 6 are driven to rotate through a motor 9, so that other gas in the tower bodies 1 flows and is mixed in an accelerated manner, the reaction between the flue gas and the atomized reaction liquid is further enhanced, after a certain time, the flue gas after the next time is input into the tower bodies, and carrying out the next reaction treatment.

Further, the top of tower body 1 communicates has exhaust pipe 14 to the inside fixedly connected with first electronic valve 15 of exhaust pipe 14, the inside fixedly connected with second electronic valve 16 of branch pipe 2, first electronic valve 15 mutually supports with second electronic valve 16, forms the closure and the opening in tower body 1 space.

Further, the bottom fixedly connected with gas distributor 17 of tower body 1 inside to gas distributor 17's air inlet is linked together with the one end of being in charge of 2, and gas distributor 17 makes the flue gas evenly let in the reaction liquid, makes the reaction more abundant.

Furthermore, one end of the external connecting pipe 4, which is far away from the multi-way joint 3, is communicated with an electrostatic dust collector 18, an air inlet of the electrostatic dust collector 18 is communicated with a flue gas pipe 19, a gas flowmeter 20 is arranged in the middle of the external connecting pipe 4, and the electrostatic dust collector 18 is used for removing particle smoke dust in the flue gas to prevent the smoke dust from entering the reaction liquid.

Furthermore, one side of the tower body 1 is communicated with a liquid supplementing pipe 21, and one end of the liquid supplementing pipe 21, which is far away from the tower body 1, is communicated with a liquid supplementing groove 22, so that the reaction liquid can be supplemented into the tower body 1 conveniently through the liquid supplementing groove 22.

Further, a fluid infusion pump 23 is fixedly connected inside the fluid infusion tank 22, and a water outlet of the fluid infusion pump 23 is communicated with one end of the fluid infusion pipe 22.

Further, the top fixedly connected with defroster 24 of tower body 1 inside to pivot 5 runs through the position sealing process of tower body 1, and defroster 24 makes the flue gas drying process after the reaction discharge tower body 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nitrogen oxide purifier for gas cleaning, includes tower body (1), its characterized in that, tower body (1) is provided with 5 at least to the bottom intercommunication on tower body (1) surface has and manages (2), the one end intercommunication that tower body (1) was kept away from in branch pipe (2) has many through-connections (3), and the air inlet intercommunication of many through-connections (3) has outer takeover (4), be connected with pivot (5) through the bearing frame rotation between the both sides of tower body (1) inner wall to the fixed surface of pivot (5) is connected with stirring flabellum (6), through-hole (7) have been seted up on the surface of stirring flabellum (6), the one end of pivot (5) runs through tower body (1) and extends to the outside of tower body (1), one side fixedly connected with mounting bracket (8) on tower body (1) surface to the top fixedly connected with motor (9) of mounting bracket (8), the one end of motor (9) output shaft passes through the shaft coupling and extends to the outside one end fixed connection of tower body (1) with pivot (5), the inside of tower body (1) and the top that is located and mix flabellum (6) are provided with spray disc (10), the top intercommunication of spray disc (10) has first connecting pipe (11) to the one end intercommunication that spray disc (10) were kept away from in first connecting pipe (11) has circulating pump (12), the water inlet intercommunication of circulating pump (12) has second connecting pipe (13), the one end that circulating pump (12) were kept away from in second connecting pipe (13) runs through tower body (1) and extends to the inside bottom of tower body (1).

2. The nitrogen oxide purification device for flue gas purification according to claim 1, wherein the top of the tower body (1) is communicated with an exhaust pipe (14), a first electronic valve (15) is fixedly connected inside the exhaust pipe (14), and a second electronic valve (16) is fixedly connected inside the branch pipe (2).

3. The nitrogen oxide purification device for flue gas purification according to claim 1, wherein a gas distributor (17) is fixedly connected to the bottom inside the tower body (1), and a gas inlet of the gas distributor (17) is communicated with one end of the branch pipe (2).

4. The nitrogen oxide purification device for flue gas purification according to claim 1, wherein one end of the external connection pipe (4) far away from the multi-way joint (3) is communicated with an electrostatic dust collector (18), an air inlet of the electrostatic dust collector (18) is communicated with a flue gas pipe (19), and a gas flowmeter (20) is arranged in the middle of the external connection pipe (4).

5. The nitrogen oxide purification device for flue gas purification according to claim 1, wherein a liquid replenishing pipe (21) is connected to one side of the tower body (1), and a liquid replenishing tank (22) is connected to one end of the liquid replenishing pipe (21) far away from the tower body (1).

6. The nitrogen oxide purification device for flue gas purification according to claim 5, wherein a liquid replenishing pump (23) is fixedly connected to the inside of the liquid replenishing tank (22), and a water outlet of the liquid replenishing pump (23) is communicated with one end of the liquid replenishing pipe (21).

7. The nitrogen oxide purification device for flue gas purification according to claim 1, wherein a demister (24) is fixedly connected to the top of the interior of the tower body (1), and the part of the rotating shaft (5) penetrating through the tower body (1) is sealed.