CN216024055U

CN216024055U - Mixing arrangement of oxidation denitration

Info

Publication number: CN216024055U
Application number: CN202120509236.3U
Authority: CN
Inventors: 李应龙; 杜坡; 于亮; 赵国峰; 王连峰
Original assignee: Yingkou Hexing Refractory Material Co ltd
Current assignee: Yingkou Hexing Refractory Material Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2022-03-15
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a mixing device for oxidation denitration, which comprises a bottom plate and a mixing box, wherein the top of the mixing box is fixedly connected with a supporting plate, the left side of the bottom of the supporting plate is movably connected with a first stirring rod through a bearing, the right side of the bottom of the supporting plate is movably connected with a second stirring rod through a bearing, and the first stirring rod and the second stirring rod penetrate through the inner cavity of the mixing box. According to the utility model, the output end of the first rotating motor drives the first stirring rod to rotate, the first stirring rod drives the driving belt pulley to rotate, the driving belt pulley drives the driven belt pulley to rotate through the transmission of the belt, the driven belt pulley drives the second stirring rod to rotate, the first stirring rod and the second stirring rod respectively drive the first stirring blade and the second stirring blade on two sides to rotate, so that flue gas and a denitrifying agent are fully mixed, and the problem that the flue gas and the denitrifying agent are mixed and are not uniform when the existing oxidation denitrifying device is used is solved.

Description

Mixing arrangement of oxidation denitration

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a mixing device for oxidation denitration.

Background

At present, the large-scale industrial application of the flue gas denitration technology at home and abroad generally adopts a selective catalytic reduction method (SCR method) and a selective non-catalytic reduction method (SNCR method), the selective catalytic reduction method is to inject reducing agents such as ammonia (NH3) and the like into a flue to be mixed with flue gas, NH3 can reduce NOX into nitrogen at a lower temperature (250-

The SNCR reaction is carried out to generate nitrogen and water, but the existing oxidation denitration device has uneven mixing of flue gas and denitration agent when in use, so that the denitration efficiency is low, and the oxidation denitration device is inconvenient for people to use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the mixing device for oxidation denitration, which has the advantage of uniform mixing and solves the problem that the existing oxidation denitration device is inconvenient for people to use because the flue gas and the denitration agent are not uniformly mixed when in use.

In order to achieve the purpose, the utility model provides the following technical scheme: a mixing device for oxidation denitration comprises a bottom plate and a mixing box, wherein a supporting plate is fixedly connected to the top of the mixing box, a first stirring rod is movably connected to the left side of the bottom of the supporting plate through a bearing, a second stirring rod is movably connected to the right side of the bottom of the supporting plate through a bearing, the first stirring rod and the second stirring rod both penetrate through an inner cavity of the mixing box, a driving belt pulley is fixedly connected to the top of the surface of the first stirring rod, a driven belt pulley is fixedly connected to the top of the surface of the second stirring rod, the driving belt pulley is connected with the driven belt pulley through belt transmission, a first rotating motor is fixedly connected to the left side of the top of the supporting plate, the output end of the first rotating motor is fixedly connected to the top of the first stirring rod, a plurality of first stirring blades which are the same in size and are uniformly distributed are fixedly connected to the bottom of the surface of the first stirring rod, the bottom fixedly connected with a plurality of the same and the even second stirring vane that distributes of size of second puddler surface, and first stirring vane is crisscross setting with second stirring vane, the bottom fixedly connected with second rotation motor of mixing box inner wall, the output fixedly connected with flabellum of motor is rotated to the second, the bottom fixedly connected with filter screen of mixing box inner chamber.

Preferably, the left bottom of the mixing box is communicated with an air inlet pipe, the surface of the air inlet pipe is provided with an air inlet valve, the top on the right side of the mixing box is communicated with an air outlet pipe, the surface of the air outlet pipe is provided with an air outlet valve, the left top of the mixing box is communicated with a denitrifier inlet, and the left side of the denitrifier inlet is in threaded connection with a sealing cover.

Preferably, the bottom fixedly connected with carousel of mixing box, the middle-end fixedly connected with servo motor at bottom plate top, servo motor's output fixed connection is in the middle-end of carousel bottom.

Preferably, the equal fixedly connected with traveller in the left and right sides of carousel bottom, circular spout has been seted up in the outside at bottom plate top, the bottom sliding connection of traveller is in the inner chamber of circular spout.

Compared with the prior art, the utility model provides a mixing device for oxidation denitration, which has the following beneficial effects:

1. according to the utility model, the output end of the first rotating motor drives the first stirring rod to rotate, the first stirring rod drives the driving belt pulley to rotate, the driving belt pulley drives the driven belt pulley to rotate through the transmission of the belt, the driven belt pulley drives the second stirring rod to rotate, the first stirring rod and the second stirring rod respectively drive the first stirring blade and the second stirring blade on two sides to rotate, so that the flue gas and the denitrifying agent are fully mixed, and the problem that the flue gas and the denitrifying agent are not uniformly mixed when the existing oxidation denitrifying device is used, so that the use of people is inconvenient is solved.

2. According to the utility model, the output end of the servo motor drives the rotary table to rotate, and the rotary table drives the mixing box to rotate, so that the mixing effect of flue gas and a denitrifying agent in the inner cavity of the mixing box is further improved.

3. According to the utility model, the air flow rate in the inner cavity of the mixing box is accelerated by arranging the fan blades and the second rotating motor, so that the denitration effect is further improved.

4. According to the utility model, the stability of the mixing box in the rotating process is effectively improved by arranging the sliding column and the circular sliding groove.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure at A of the present invention.

In the figure: 1. a base plate; 2. a mixing box; 3. a traveler; 4. an intake valve; 5. a denitrifier inlet; 6. a drive pulley; 7. a first rotating electric machine; 8. a support plate; 9. a driven pulley; 10. an air outlet valve; 11. a turntable; 12. a servo motor; 13. a first stirring rod; 14. a first stirring blade; 15. an air inlet pipe; 16. an air outlet pipe; 17. a second stirring rod; 18. a second stirring blade; 19. a fan blade; 20. a second rotating electric machine; 21. A circular chute; 22. and (5) filtering by using a filter screen.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The bottom plate 1, the mixing box 2, the sliding column 3, the air inlet valve 4, the denitrifier inlet 5, the driving belt pulley 6, the first rotating motor 7, the support plate 8, the driven belt pulley 9, the air outlet valve 10, the rotating disc 11, the servo motor 12, the first stirring rod 13, the first stirring blade 14, the air inlet pipe 15, the air outlet pipe 16, the second stirring rod 17, the second stirring blade 18, the fan blade 19, the second rotating motor 20, the circular chute 21 and the filter screen 22 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the denitration agent inlet are known by the technical manual or conventional experimental methods.

Referring to fig. 1-3, a mixing device for oxidation denitration comprises a bottom plate 1 and a mixing box 2, wherein a second rotating motor 20 is fixedly connected to the bottom of the inner wall of the mixing box 2, a fan blade 19 is fixedly connected to the output end of the second rotating motor 20, the air flow rate in the inner cavity of the mixing box 2 is increased by arranging the fan blade 19 and the second rotating motor 20, so as to further improve the denitration effect, a filter screen 22 is fixedly connected to the bottom of the inner cavity of the mixing box 2, an air inlet pipe 15 is communicated with the bottom of the left side of the mixing box 2, an air inlet valve 4 is arranged on the surface of the air inlet pipe 15, an air outlet pipe 16 is communicated with the top of the right side of the mixing box 2, an air outlet valve 10 is arranged on the surface of the air outlet pipe 16, a denitration agent inlet 5 is communicated with the top of the left side of the mixing box 2, a sealing cover is connected to the left side of the denitration agent inlet 5 by screw threads, a rotary table 11 is fixedly connected to the bottom of the mixing box 2, a servo motor 12 is fixedly connected to the middle end of the top of the bottom plate 1, the output end of a servo motor 12 is fixedly connected to the middle end of the bottom of a rotary table 11, the rotary table 11 is driven to rotate by the output end of the servo motor 12, the rotary table 11 drives a mixing box 2 to rotate, the mixing effect of flue gas and a denitration agent in an inner cavity of the mixing box 2 is further improved, sliding columns 3 are fixedly connected to the left side and the right side of the bottom of the rotary table 11, a circular sliding groove 21 is formed in the outer side of the top of a bottom plate 1, the bottom of the sliding column 3 is slidably connected to the inner cavity of the circular sliding groove 21, the stability of the mixing box 2 in the rotating process is effectively improved by the arrangement of the sliding columns 3 and the circular sliding groove 21, a support plate 8 is fixedly connected to the top of the mixing box 2, a first stirring rod 13 is movably connected to the left side of the bottom of the support plate 8 through a bearing, a second stirring rod 17 is movably connected to the right side of the bottom of the support plate 8 through a bearing, the first stirring rod 13 and the second stirring rod 17 both penetrate through the inner cavity of the mixing box 2, the top fixedly connected with drive pulley 6 on first puddler 13 surface, the top fixedly connected with driven pulley 9 on second puddler 17 surface, drive pulley 6 passes through belt drive with driven pulley 9 and is connected, the first rotating motor 7 of the left side fixedly connected with at 8 tops of backup pad, the output fixed connection of first rotating motor 7 is in the top of first puddler 13, a plurality of first stirring vane 14 that the size is the same and distribute evenly of bottom fixedly connected with on first puddler 13 surface, a plurality of the same and second stirring vane 18 that distribute evenly of bottom fixedly connected with on second puddler 17 surface, and first stirring vane 14 is the setting of staggering with second stirring vane 18.

When the denitration device is used, firstly, the servo motor 12, the first rotating motor 7 and the second rotating motor 20 are started through the external controller, the output end of the first rotating motor 7 drives the first stirring rod 13 to rotate, the first stirring rod 13 drives the driving belt pulley 6 to rotate, the driving belt pulley 6 drives the driven belt pulley 9 to rotate through the transmission of a belt, the driven belt pulley 9 drives the second stirring rod 17 to rotate, the first stirring rod 13 and the second stirring rod 17 respectively drive the first stirring blade 14 and the second stirring blade 18 on two sides to rotate, so as to fully mix flue gas and a denitration agent, the output end of the servo motor 12 drives the rotary table 11 to rotate, the rotary table 11 drives the mixing box 2 to rotate, so that the mixing effect of the flue gas and the denitration agent in the inner cavity of the mixing box 2 is further improved, and the output end of the fan blade 19 drives the second rotating motor 20 to rotate, accelerate the air flow rate in the 2 inner chambers of mixing box, further improve denitration effect (external controller is the PLC controller in this application, simultaneously, two wiring ends of external controller are connected with power plug through the wire, and adopt the commercial power to supply power in this application).

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes may be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a mixing arrangement of oxidation denitration, includes bottom plate (1) and mixing box (2), its characterized in that: the top fixedly connected with backup pad (8) of mixing box (2), there is first puddler (13) in the left side of backup pad (8) bottom through bearing swing joint, there is second puddler (17) in the right side of backup pad (8) bottom through bearing swing joint, first puddler (13) and second puddler (17) all run through to the inner chamber of mixing box (2), the top fixedly connected with driving pulley (6) on first puddler (13) surface, the top fixedly connected with driven pulley (9) on second puddler (17) surface, driving pulley (6) and driven pulley (9) are connected through belt transmission, the left side fixedly connected with first rotation motor (7) at backup pad (8) top, the output of first rotation motor (7) is fixedly connected in the top of first puddler (13), the utility model discloses a stirring device, including first puddler (13), a plurality of sizes of bottom fixedly connected with on first puddler (13) surface are the same and distribute even first stirring vane (14), a plurality of sizes of bottom fixedly connected with on second puddler (17) surface are the same and distribute even second stirring vane (18), and first stirring vane (14) and second stirring vane (18) are the setting of staggering, the bottom fixedly connected with second rotation motor (20) of mixing box (2) inner wall, the output fixedly connected with flabellum (19) of second rotation motor (20), the bottom fixedly connected with filter screen (22) of mixing box (2) inner chamber.

2. The mixing device for oxidation denitration according to claim 1, wherein: the denitration agent mixing box is characterized in that an air inlet pipe (15) is communicated with the left bottom of the mixing box (2), an air inlet valve (4) is arranged on the surface of the air inlet pipe (15), an air outlet pipe (16) is communicated with the top of the right side of the mixing box (2), an air outlet valve (10) is arranged on the surface of the air outlet pipe (16), a denitration agent inlet (5) is communicated with the left top of the mixing box (2), and a sealing cover is in threaded connection with the left side of the denitration agent inlet (5).

3. The mixing device for oxidation denitration according to claim 1, wherein: the bottom fixedly connected with carousel (11) of mixing box (2), middle-end fixedly connected with servo motor (12) at bottom plate (1) top, the output fixed connection of servo motor (12) is in the middle-end of carousel (11) bottom.

4. The mixing apparatus for oxidation denitration according to claim 3, wherein: the equal fixedly connected with traveller (3) in the left and right sides of carousel (11) bottom, circular spout (21) have been seted up in the outside at bottom plate (1) top, the bottom sliding connection of traveller (3) is in the inner chamber of circular spout (21).