CN209791254U

CN209791254U - SCR denitration vortex mixing increasing device

Info

Publication number: CN209791254U
Application number: CN201920236155.3U
Authority: CN
Inventors: 郑俊明; 陈方曙
Original assignee: HUBEI GUANGJING ENVIRONMENTAL PROTECTION CATALYSTS Co Ltd
Current assignee: HUBEI GUANGJING ENVIRONMENTAL PROTECTION CATALYSTS Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2019-12-17
Anticipated expiration: 2029-02-25

Abstract

The utility model discloses a SCR denitration swirl increases mixes device, including selling box, catalyst and ammonia injection apparatus, the both sides of catalyst respectively with the both sides fixed connection who sells box inner wall, ammonia injection apparatus's top is run through and is sold the box and extend to the inside of selling the box, the utility model relates to an SCR sells technology technical field. This SCR denitration swirl mixing-increasing device, waste gas passes through the inlet port with the ammonia and gets into fixed case, when the second rotates the frame, gas is broken up and is carried out the first mixture, then get into first rotation frame and be broken up the mixture by the secondary, it is more even to make waste gas and ammonia mix, accelerate reaction rate, improve work efficiency, it is better to make the round pin effect of taking off, gas after the mixture is rotated by the flabellum and is blown off fixed case, and the flabellum rotates the mixed effect that also can strengthen gas simultaneously, the practicality of device has been improved, and can be with the fixed case of the gas outlet port discharge fast from after mixing, and the work efficiency is improved.

Description

SCR denitration vortex mixing increasing device

Technical Field

The utility model relates to a SCR denitration technology technical field specifically is an SCR denitration swirl mixing device.

Background

The method is characterized in that nitrogen oxides are one of main pollution sources causing air pollution, denitration is a process of removing the nitrogen oxides in combustion flue gas, in order to prevent excessive NOx from polluting the environment after coal in a boiler is combusted, denitration treatment is carried out on the coal and is divided into denitration before combustion, denitration during the combustion process and denitration after combustion, and according to the formation mechanism of the nitrogen oxides in the cement kiln, the technical measures for reducing nitrogen and reducing emission of the cement kiln are divided into two categories, wherein one category is from source treatment, NOx generated in calcination is controlled, and the other category is from tail end treatment, and NOx discharged in the flue gas is controlled.

In the SCR denitration device, the more uniform the mixing of the waste gas and the ammonia gas, the faster the reaction speed, and the higher the treatment efficiency, but the mixing increasing device in the existing denitration device can not ensure that the waste gas and the ammonia gas reach high mixing, so that the reaction speed of the ammonia gas and the waste gas is reduced, the treatment time is increased, the reaction efficiency is reduced, and the denitration effect is directly influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a SCR denitration swirl increases mixes device has solved waste gas and ammonia and has mixed inhomogeneously, reduces reaction rate, influences the problem of selling the effect of taking off.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a SCR denitration swirl increases mixes device, is including taking off a round pin box, catalyst and ammonia injection apparatus, the both sides of catalyst respectively with the both sides fixed connection who takes off a round pin box inner wall, ammonia injection apparatus's top is run through and is taken off a round pin box and extend to the inside of taking off a round pin box, just be located one side fixedly connected with fixed box of ammonia injection apparatus between the top of taking off a round pin box inner wall and the bottom, the top and the equal fixedly connected with slide rail in bottom of fixed box inner wall to the equal sliding connection in one side that two slide rails are relative has the slider, two the first frame that rotates of fixedly connected with between the relative one side of slider to the left side fixedly connected with second of first frame that rotates the.

preferably, the left side of the inner wall of the fixed box is fixedly connected with a motor through a supporting plate, and one end of an output shaft of the motor is fixedly connected with a rotating rod.

Preferably, the one end that the motor was kept away from to the dwang runs through the second and rotates frame and first rotation frame and extend to the right side of first rotation frame, the one end of dwang just is located the right side of first rotation frame and is passed through the axis of rotation and be connected with the right side rotation of fixed incasement wall.

Preferably, the surface of dwang just is located the first rotation board of the first inside fixedly connected with that rotates the frame, the surface of dwang just is located the second and rotates the inside fixedly connected with second rotation board of frame, the surface of dwang just is located the right side fixedly connected with flabellum of first rotation frame.

Preferably, the left side of the fixed box is provided with an air inlet, and the right side of the fixed box is provided with an air outlet.

Preferably, one side fixedly connected with of the round pin box body admits air the cover to the fine bottom fixedly connected with of round pin goes out the air box, between the both sides of round pin box body inner wall and be located the catalyst directly over fixedly connected with cowling panel, the top fixedly connected with guide plate of cowling panel.

Advantageous effects

the utility model provides a SCR denitration swirl increases mixes device. Compared with the prior art, the method has the following beneficial effects:

(1) This SCR denitration swirl increases mixes device, just be located ammonia injection apparatus's one side fixedly connected with fixed box between the top and the bottom through taking off round pin box inner wall, the top and the equal fixedly connected with slide rail in bottom of fixed box inner wall, the first frame that rotates of fixedly connected with between the one side that two sliders are relative, and the frame is rotated to the left side fixedly connected with second of first frame that rotates, backup pad fixedly connected with motor is passed through in the left side of fixed box inner wall, and the one end fixedly connected with dwang of motor output shaft, waste gas and ammonia get into the fixed box from the inlet port, when the frame is rotated to the second, gas is broken up and is carried out the first mixture, then get into first frame that rotates and is broken up the mixture by the secondary, two mixing processes make waste gas and ammonia mix more evenly, accelerate reaction rate, and improve work efficiency, it is better.

(2) This SCR denitration swirl mixing-increasing device, the right side fixedly connected with flabellum that just is located first rotation frame through the surface of dwang, the inlet port has been seted up in the left side of fixed case to the venthole has been seted up on the right side of fixed case, and the gas after the mixture is rotated by the flabellum and is blown off the fixed case, and the flabellum rotates the mixed effect that also can strengthen gas simultaneously, has improved the practicality of device, and can follow the venthole fixed case of discharging fast with the gas after mixing, has improved work efficiency.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the fixing box structure of the present invention;

Fig. 3 is a partial cross-sectional view taken at a in fig. 1 according to the present invention;

Fig. 4 is a right side view of the inner structure of the first rotating frame of the present invention.

In the figure: the device comprises a pin removal box body 1, a catalyst 2, an ammonia gas injection device 3, a fixed box 4, a slide rail 5, a slide block 6, a first rotating frame 7, a second rotating frame 8, a motor 9, a rotating rod 10, an air outlet hole 11, a first rotating plate 12, a second rotating plate 13, fan blades 14, an air inlet hole 15, an air inlet cover 16, an air outlet cover 17, a rectifying plate 18 and a guide plate 19.

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, the present invention provides a technical solution: an SCR denitration vortex mixing device comprises a denitration box body 1, a catalyst 2 and an ammonia injection device 3, wherein the ammonia injection device 3 is used for introducing ammonia into the denitration box body 1, the catalyst 2 can accelerate the reaction rate, one side of the denitration box body 1 is fixedly connected with an air inlet cover 16, the bottom of the denitration box body 1 is fixedly connected with an air outlet cover 17, a rectifying plate 18 is fixedly connected between two sides of the inner wall of the denitration box body 1 and positioned right above the catalyst 2, the top of the rectifying plate 18 is fixedly connected with a guide plate 19, the guide plate 19 can improve the gas flow rate and reduce the air flow pressure, two sides of the catalyst 2 are respectively and fixedly connected with two sides of the inner wall of the denitration box body 1, the top of the ammonia injection device 3 penetrates through the denitration box body 1 and extends into the denitration box body 1, a fixing box 4 is fixedly connected between the top and the bottom of the inner wall of the denitration box body 1 and positioned on one side, an air inlet 15 is arranged on the left side of the fixed box 4, an air outlet 20 is arranged on the right side of the fixed box 4, a motor 9 is fixedly connected on the left side of the inner wall of the fixed box 4 through a support plate, the motor 9 is connected with a control system through a lead, a rotating rod 10 is fixedly connected at one end of an output shaft of the motor 9, a first rotating plate 12 is fixedly connected on the surface of the rotating rod 10 and positioned inside a first rotating frame 11, a second rotating plate 13 is fixedly connected on the surface of the rotating rod 10 and positioned inside a second rotating frame 8, a fan blade 14 is fixedly connected on the surface of the rotating rod 10 and positioned on the right side of the first rotating frame 7, one end of the rotating rod 10 far away from the motor 9 penetrates through the second rotating frame 8 and the first rotating frame 7 and extends to the right side of the first rotating frame 7, one end of the rotating rod 10 and positioned on the right side, the top and the equal fixedly connected with slide rail 5 in bottom of 4 inner walls of fixed box to the equal sliding connection in one side that two slide rails 5 are relative has slider 6, and the first frame 7 that rotates of fixedly connected with between the relative one side of two sliders 6, and the frame 8 is rotated to the left side fixedly connected with second of first frame 7 that rotates.

During the use, waste gas gets into the box 1 of taking off the round pin from inlet hood 16, ammonia injection apparatus 3 blowout ammonia simultaneously, the gas mixture gets into fixed case 4 through inlet port 15, through control panel control motor 9 work, make dwang 10 rotate, drive first rotating frame 7, second rotating frame 8 and flabellum 14 and take place to rotate, first rotating plate 12 and second rotating plate 13 rotate simultaneously, after scattering the mixture with the gas, through venthole 20 discharge fixed case 4, then the gas mixture reachs catalyst 2 through guide plate 19 and cowling panel 18 and reacts, discharge from outlet hood 17 at last and take off round pin box 1.

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.

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 SCR denitration swirl increases mixes device, includes and takes off a round pin box (1), catalyst (2) and ammonia injection apparatus (3), the both sides of catalyst (2) respectively with the both sides fixed connection of taking off a round pin box (1) inner wall, the inside of taking off a round pin box (1) and extending to taking off a round pin box (1) is run through at the top of ammonia injection apparatus (3), its characterized in that: the fixed box (4) is fixedly connected with one side between the top and the bottom of the inner wall of the pin removal box body (1) and is located on the ammonia gas injection device (3), the slide rails (5) are fixedly connected with the top and the bottom of the inner wall of the fixed box (4), and the slide blocks (6) are connected with one side opposite to the two slide rails (5) in a sliding mode, and the first rotating frame (7) is fixedly connected with the one side opposite to the slide blocks (6), and the second rotating frame (8) is fixedly connected with the left side of the first rotating frame (7).

2. The SCR denitration vortex mixing device of claim 1, wherein: the left side of fixed case (4) inner wall is through backup pad fixedly connected with motor (9) to the one end fixedly connected with dwang (10) of motor (9) output shaft.

3. The SCR denitration vortex mixing device of claim 2, wherein: the one end that motor (9) were kept away from in dwang (10) runs through the second and rotates frame (8) and first rotation frame (7) and extend to the right side of first rotation frame (7), the right side rotation that the axis of rotation and fixed case (4) inner wall were passed through on the one end of dwang (10) and were located first rotation frame (7) right side is connected.

4. The SCR denitration vortex mixing device of claim 2, wherein: the surface of dwang (10) just is located the first rotor plate (12) of inside fixedly connected with of first rotation frame (7), the surface of dwang (10) just is located the inside fixedly connected with second rotor plate (13) of second rotation frame (8), the surface of dwang (10) just is located the right side fixedly connected with flabellum (14) of first rotation frame (7).

5. The SCR denitration vortex mixing device of claim 1, wherein: an air inlet hole (15) is formed in the left side of the fixed box (4), and an air outlet hole (11) is formed in the right side of the fixed box (4).

6. The SCR denitration vortex mixing device of claim 1, wherein: one side fixedly connected with of taking off round pin box (1) is admitted air cover (16) to the bottom fixedly connected with of taking off round pin box (1) is gone out gas cover (17), just be located catalyst (2) directly over fixedly connected with cowling panel (18) between the both sides of taking off round pin box (1) inner wall, the top fixedly connected with guide plate (19) of cowling panel (18).