CN217220885U

CN217220885U - Novel waste incineration flue gas denitration device

Info

Publication number: CN217220885U
Application number: CN202220508731.7U
Authority: CN
Inventors: 黄鑫鑫; 黄胜建; 黄江涛
Original assignee: Shanghai Fatelon New Energy Technology Co ltd
Current assignee: Shanghai Fatelon New Energy Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-19
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a novel msw incineration flue gas denitration device belongs to flue gas denitration technical field. A novel waste incineration flue gas denitration device comprises a reaction box, wherein the upper end and the lower end of the reaction box are respectively and fixedly connected with an air inlet pipeline and an exhaust pipeline, the two sides of the center of the reaction box are respectively and fixedly connected with mounting plates, a catalyst plate is arranged between the two mounting plates, the catalyst plate is a grid plate with catalyst fillers arranged inside, the catalyst plate is fixedly connected to the center of the reaction box, and a reaction tank is arranged in the center of the catalyst plate; the centers of two sides of the catalyst plate are fixedly connected with connecting pieces, the centers of the connecting pieces at two sides are respectively and movably connected with a transmission shaft, and the inner side end of the transmission shaft is fixedly connected with a linkage piece; the outer side end of the transmission shaft is fixedly connected with an output shaft of the motor; the utility model provides a spout the unable smoke and dust high-efficient problem that combines in making aqueous ammonia and the flue gas of ammonia mode among the prior art.

Description

Novel waste incineration flue gas denitration device

Technical Field

The utility model relates to a flue gas denitration technical field specifically is a novel msw incineration flue gas denitration device.

Background

The smoke generated in the incineration process of the household garbage contains a certain amount of NO _x Due to the formation of nitrogen-containing inorganic and organic substances in the refuse during incineration, N in the combustion air ₂ Contributes less to it; in order to meet the environmental protection requirement, the domestic garbage incineration flue gas purification process needs to be provided with a denitration device for reducing NO in the flue gas _x Concentration; the prior art with more applications and higher denitration efficiency is a Selective Catalytic Reduction (SCR) technology which is provided with a catalyst reaction tower to ensure that flue gas passes through a catalyst layer, ammonia water is used as a reducing agent, and NH is arranged on the surface of a catalyst ₃ With NO _x Carrying out selective reaction to remove NO in the flue gas _x Reduction to N ₂ And H ₂ O, thereby achieving the purpose of removing NOx in the flue gas.

However, in the prior art, the ammonia spraying mode of the equipment for denitration by ammonia spraying is more traditional, the ammonia spraying is carried out through a fixed multi-branch ammonia spraying pipeline, and the combination efficiency of ammonia water and pollutants in flue gas is lower, so that the denitration effect is poor; therefore, the utility model provides a novel waste incineration flue gas denitration device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

1. The to-be-solved technical problem of the utility model

An object of the utility model is to provide a novel msw incineration flue gas denitration device to solve the problem that proposes in the above-mentioned background art:

(1) the ammonia spraying mode in the prior art can not enable ammonia water to be efficiently combined with smoke dust in smoke.

2. Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel msw incineration flue gas denitration device, includes the reaction box, both ends difference fixedly connected with admission line and exhaust duct about the reaction box, the both sides difference fixedly connected with mounting panel in the middle of the reaction box is two sets of be provided with the catalyst board between the mounting panel, the catalyst board is the grid plate of built-in catalyst filler, catalyst board fixed connection is in reaction box central authorities, the reaction tank is seted up to catalyst board central authorities.

Preferably, the center of the two sides of the catalyst plate is fixedly connected with a connecting piece, the center of the connecting piece at the two sides is respectively and movably connected with a transmission shaft, and the inner side end of the transmission shaft is fixedly connected with a linkage piece.

Preferably, the outer side end of the transmission shaft is fixedly connected with an output shaft of the motor, the rear side of the motor is fixedly connected with the mounting plates on the two sides through a mounting frame, and a central shaft is fixedly connected between the two groups of linkage pieces.

Preferably, the center of the central shaft is fixedly connected with a connecting ball, a denitration ring body B is movably sleeved outside the connecting ball, and two sides of the denitration ring body B are rotatably connected with a denitration ring body A through connecting shafts.

Preferably, a plurality of groups of denitration agent nozzles are arranged on the denitration ring body A and the denitration ring body B, and the denitration ring body A and the denitration ring body B are communicated with a denitration agent supply pipeline through hollow central shafts and connecting balls.

Preferably, the centers of the upper end and the lower end of the denitration ring body A are movably connected with the tail end of a fixing frame through a driving shaft, and the fixing frame is fixedly connected between the mounting plates.

3. Advantageous effects

(1) The utility model discloses a set up denitration ring body A and denitration ring body B, make denitration ring body A and denitration ring body B all spout ammonia with the not equidistance swing to make the material in irregular spun aqueous ammonia and the flue gas combine better and realize high-efficient denitration.

Drawings

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

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is a schematic view of a part of the structure of the present invention;

fig. 5 is a schematic view of a part of the structure of the present invention;

fig. 6 is a schematic diagram of a part of the structure of the present invention;

fig. 7 is a schematic diagram six of a partial structure of the present invention.

The reference numbers in the figures illustrate:

1. a reaction box; 2. an air intake duct; 3. an exhaust duct; 4. a mounting frame; 5. a catalyst plate; 6. a reaction tank; 7. a fixed mount; 8. mounting a plate; 9. a motor; 10. a connecting member; 11. a denitration ring body A; 12. a denitration ring body B; 13. a drive shaft; 14. a linkage member; 15. a central shaft; 16. a connecting ball; 17. a connecting shaft; 18. a drive shaft.

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 efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-7, a novel flue gas denitration device for waste incineration comprises a reaction box 1, wherein the upper end and the lower end of the reaction box 1 are fixedly connected with an air inlet pipeline 2 and an exhaust pipeline 3 respectively, the two sides of the center of the reaction box 1 are fixedly connected with mounting plates 8 respectively, a catalyst plate 5 is arranged between the two groups of mounting plates 8, the catalyst plate 5 is a grid plate with catalyst fillers arranged inside, the catalyst plate 5 is fixedly connected to the center of the reaction box 1, and a reaction tank 6 is arranged in the center of the catalyst plate 5;

the centers of two sides of the catalyst plate 5 are fixedly connected with connecting pieces 10, the centers of the connecting pieces 10 at two sides are respectively and movably connected with a transmission shaft 13, and a linkage piece 14 is fixedly connected with the inner side end of the transmission shaft 13;

the outer side end of the transmission shaft 13 is fixedly connected with an output shaft of the motor 9, the rear side of the motor 9 is fixedly connected with the mounting plates 8 at the two sides through the mounting frame 4, and a central shaft 15 is fixedly connected between the two groups of linkage parts 14;

a connecting ball 16 is fixedly connected to the center of the central shaft 15, a denitration ring body B12 is movably sleeved outside the connecting ball 16, and two sides of the denitration ring body B12 are rotatably connected with a denitration ring body A11 through a connecting shaft 17;

a plurality of groups of denitration agent nozzles are arranged on the denitration ring body A11 and the denitration ring body B12, and the denitration ring body A11 and the denitration ring body B12 are communicated with a denitration agent supply pipeline through a hollow central shaft 15 and a connecting ball 16;

the centers of the upper and lower ends of the denitration ring body A11 are movably connected with the tail end of the fixed frame 7 through the driving shaft 18, and the fixed frame 7 is fixedly connected between the mounting plates 8;

the utility model discloses a set up denitration ring body A11 and denitration ring body B12, when this device was carrying out denitration treatment, the flue gas got into reaction box 1 along admission line 2 to flow out in net gap and the reaction tank 6 of catalyst board 5, meanwhile, the shower nozzle on denitration ring body A11 and the denitration ring body B12 spouts the ammonia, carries out denitration treatment to the flue gas that is arranged in reaction box 1; it should be noted that, when spraying ammonia, the motors 9 on both sides start simultaneously, and drive the linkage 14 through the transmission shaft 13 respectively and rotate, the linkage 14 on both sides drives the center pin 15 between the two to rotate, the center pin 15 drives the denitration ring body B12 through the connecting ball 16 and rotates, simultaneously the drive shaft 18 drives the denitration ring body A11 to rotate by a small margin, thereby make denitration ring body A11 and denitration ring body B12 all spray ammonia with different amplitude swings, so that the irregularly sprayed ammonia water better combines with the substances in the flue gas and realizes high-efficient denitration.

The above description is only 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 can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a novel msw incineration flue gas denitration device, includes reaction box (1), both ends fixedly connected with admission line (2) and exhaust duct (3) respectively about reaction box (1), its characterized in that: the reactor is characterized in that mounting plates (8) are fixedly connected to two sides of the center of the reactor (1) respectively, a catalyst plate (5) is arranged between the two mounting plates (8), the catalyst plate (5) is a grid plate with a built-in catalyst filler, the catalyst plate (5) is fixedly connected to the center of the reactor (1), and a reaction tank (6) is arranged in the center of the catalyst plate (5).

2. The novel denitration device for the waste incineration flue gas as claimed in claim 1, characterized in that: the catalyst plate is characterized in that connecting pieces (10) are fixedly connected to the centers of two sides of the catalyst plate (5), transmission shafts (13) are movably connected to the centers of the connecting pieces (10) at two sides respectively, and linkage pieces (14) are fixedly connected to the inner side ends of the transmission shafts (13).

3. The novel denitration device for waste incineration flue gas as claimed in claim 2, characterized in that: the outer side end of the transmission shaft (13) is fixedly connected with an output shaft of the motor (9), the rear side of the motor (9) is fixedly connected with the mounting plates (8) on the two sides through the mounting frame (4), and a central shaft (15) is fixedly connected between the two groups of linkage pieces (14).

4. The novel denitration device for the waste incineration flue gas as claimed in claim 3, characterized in that: the denitration ring body is characterized in that a connecting ball (16) is fixedly connected to the center of the central shaft (15), a denitration ring body B (12) is movably sleeved outside the connecting ball (16), and two sides of the denitration ring body B (12) are rotatably connected with a denitration ring body A (11) through a connecting shaft (17).

5. The novel denitration device for the waste incineration flue gas as claimed in claim 4, characterized in that: a plurality of groups of denitration agent nozzles are arranged on the denitration ring body A (11) and the denitration ring body B (12), and the denitration ring body A (11) and the denitration ring body B (12) are communicated with a denitration agent supply pipeline through a hollow central shaft (15) and a connecting ball (16).

6. The novel denitration device for the waste incineration flue gas as claimed in claim 5, characterized in that: the denitration ring body A (11) is characterized in that the centers of the upper end and the lower end of the denitration ring body A (11) are movably connected with the tail end of a fixing frame (7) through a driving shaft (18), and the fixing frame (7) is fixedly connected between mounting plates (8).