CN222196515U

CN222196515U - SCR denitration reactor with self-cleaning function

Info

Publication number: CN222196515U
Application number: CN202420461139.5U
Authority: CN
Inventors: 王丰海; 高德坤; 孙国柱
Original assignee: Shandong Shengbao Heat Transfer Technology Co ltd
Current assignee: Shandong Shengbao Heat Transfer Technology Co ltd
Priority date: 2024-03-11
Filing date: 2024-03-11
Publication date: 2024-12-20
Anticipated expiration: 2034-03-11

Abstract

The utility model discloses an SCR denitration reactor with an automatic cleaning function, which relates to the field of denitration reactors and comprises a smoke inlet pipeline arranged at the upper end of a main body, and further comprises a filter screen plate, wherein a rotating shaft is arranged at the middle position of the filter screen plate in a penetrating way, four groups of scrapers are fixedly connected to the outer side of the rotating shaft close to the bottom end, one end of the smoke inlet pipeline is clamped with a cover plate, the outer side of the cover plate is fixedly connected with an air inlet pipe, an air outlet transverse pipe is arranged at the upper end of the cover plate, a driving motor is fixedly clamped and arranged at the upper surface of the smoke inlet pipeline close to the middle position, and the rotating shaft is fixedly connected to the output end of the driving motor.

Description

SCR denitration reactor with self-cleaning function

Technical Field

The utility model relates to the field of denitration reactors, in particular to an SCR denitration reactor with an automatic cleaning function.

Background

The method has the advantages that the method is required to achieve ultralow emission for power plants and household garbage incineration plants, and further control the emission concentration for the incineration of dangerous wastes to achieve ultralow emission, so that an SCR denitration reactor is required to be designed.

Through retrieving, the bulletin number is CN218688021U, discloses an SCR denitration reactor, and simple structure can make flue gas evenly distributed on denitration catalyst, effectively improves reaction efficiency, reduces reaction cost, however current SCR denitration reactor is when using, and a large amount of impurity is adhered to on its filter screen easily, and can only clean the filter screen when denitration reactor stops the operation to can reduce SCR denitration reactor's work efficiency.

Disclosure of utility model

The utility model aims to solve the technical problem of providing the SCR denitration reactor with the automatic cleaning function, when the existing SCR denitration reactor is used, a large amount of impurities are easily adhered to a filter screen, and the filter screen can only be cleaned when the denitration reactor stops running, so that the working efficiency of the SCR denitration reactor can be reduced.

In order to solve the technical problems, the technical scheme of the utility model is that the SCR denitration reactor with the automatic cleaning function comprises a smoke inlet pipeline arranged at the upper end of a main body, and further comprises a filter screen plate, wherein a rotating shaft is arranged in the middle of the filter screen plate in a penetrating manner, four groups of scrapers are fixedly connected to the outer side of the rotating shaft close to the bottom end, one end of the smoke inlet pipeline is clamped with a cover plate, the outer side of the cover plate is fixedly connected with an air inlet pipe, and the upper end of the cover plate is provided with an air outlet transverse pipe;

the lower surface joint of advance the cigarette pipeline has the collection fill, the upper surface of main part is close to one side fixed mounting has the air-blower, the air inlet and the gas outlet of air-blower are fixedly connected with exhaust tube and blast pipe respectively, and go out the gas cross tube and be connected with the blast pipe.

As a further scheme of the utility model, a driving motor is fixedly clamped on the upper surface of the smoke inlet pipeline close to the middle position, a rotating shaft is fixedly connected to the output end of the driving motor, and the rotating shaft obliquely penetrates through the upper surface of the smoke inlet pipeline.

As a further scheme of the utility model, four groups of scraping plates are positioned on the lower surface of the filter screen plate, and the filter screen plate is obliquely clamped in the smoke inlet pipeline.

The main body is fixedly connected with three groups of second fixed shaft rods at equal intervals, the outer sides of the three groups of second fixed shaft rods are respectively sleeved with a rotating frame plate, the middle positions of one sides of the three groups of rotating frame plates are respectively fixedly connected with a first fixed shaft rod, the outer sides of the three groups of first fixed shaft rods are respectively sleeved with a rotating baffle plate, and the inner sides of the three groups of rotating frame plates are respectively clamped with a denitration catalyst.

As a further scheme of the utility model, the three groups of rotating frame plates are provided with rotating holes in a penetrating way at the middle position of the upper surface close to one side, and the three groups of second fixed shaft rods are respectively positioned at the inner sides of the three groups of rotating holes.

As a further scheme of the utility model, two sides of the three groups of rotating frame plates are provided with clamping bolts in a penetrating way, and the clamping bolts are clamped with the denitration catalyst.

As a further scheme of the utility model, three groups of rotating frame plates are distributed on the main body at equal intervals, and the length of the rotating baffle plate is larger than the height of the rotating frame plates.

Compared with the prior art, the utility model has the advantages that the driving motor on the upper surface of the smoke inlet pipeline is started to drive the rotating shaft to rotate, so that the four groups of scrapers are driven to rotate on the lower surface of the filter screen plate to scrape impurities on the lower surface of the filter screen plate, meanwhile, the air blower on the upper surface of the smoke inlet pipeline is started, ammonia is pumped into the air outlet transverse pipe through the cooperation of the exhaust pipe and the exhaust pipe, and the ammonia is discharged opposite to the lower surface of the filter screen plate, so that the filter screen plate can be automatically cleaned while the waste gas is filtered, a good anti-blocking effect is achieved, and the denitration reaction efficiency is remarkably improved.

The first fixed shaft rod on the rotating frame plate is used for enabling the rotating baffle to rotate to the transverse position, the rotating frame plate is enabled to rotate 180 degrees through the cooperation of the second fixed shaft rod and the rotating hole, and the denitration catalyst is enabled to move out of the inner side of the rotating frame plate through the two groups of clamping bolts, so that the convenient dismounting function of a plurality of denitration catalysts is achieved, and the denitration catalyst can be replaced quickly.

Drawings

FIG. 1 is a schematic diagram of an SCR denitration reactor with an automatic cleaning function in an embodiment of the utility model;

FIG. 2 is a partial cross-sectional view of an SCR denitration reactor with an automatic cleaning function in an embodiment of the present utility model;

FIG. 3 is a schematic view showing a distribution structure of a rotating frame plate according to an embodiment of the present utility model;

Fig. 4 is a front view of an SCR denitration reactor with an automatic cleaning function in an embodiment of the present utility model.

In the figure, 1, a main body; 2, a smoke inlet pipeline, 3, a cover plate, 4, an air inlet pipe, 5, a collecting hopper, 6, a filter screen plate, 7, a driving motor, 8, a rotating shaft, 9, a scraping plate, 10, a blower, 11, an exhaust pipe, 12, an exhaust pipe, 13, an air outlet transverse pipe, 14, a rotating frame plate, 15, a first fixed shaft rod, 16, a rotating baffle plate, 17, a second fixed shaft rod, 18, a rotating hole, 19, a clamping bolt and 20, and a denitration catalyst.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

1, Please refer to fig. 1-4, an SCR denitration reactor with an automatic cleaning function, including setting up the flue gas inlet pipe 2 in main part 1 upper end, still include filter screen plate 6, the intermediate position of filter screen plate 6 runs through and is provided with axis of rotation 8, the outside of axis of rotation 8 is close to bottom fixedly connected with four sets of scraper blades 9, the one end joint of flue gas inlet pipe 2 has apron 3, the lateral surface fixedly connected with intake pipe 4 of apron 3, the upper end of apron 3 is provided with the horizontal pipe 13 of giving vent to anger, the lower surface joint of flue gas inlet pipe 2 has collection fill 5, the upper surface of main part 1 is close to one side fixedly mounted with air-blower 10, air inlet and gas outlet of air-blower 10 are fixedly connected with exhaust tube 11 and blast pipe 12 respectively, and the horizontal pipe 13 of giving vent to anger is connected with blast pipe 12.

The upper surface of advance cigarette pipeline 2 is close to intermediate position block and installs driving motor 7, and axis of rotation 8 fixed connection is at driving motor 7's output, and axis of rotation 8 slope runs through the upper surface of advance cigarette pipeline 2, and four sets of scraper blades 9 are located the lower surface of filter screen plate 6, and filter screen plate 6 slope card is put in advance the inside of cigarette pipeline 2.

In this embodiment, the shaft 8 is rotated so that the four sets of scrapers 9 rotate together on the lower surface of the filter screen plate 6.

Specifically, through the driving motor 7 of the upper surface of the smoke inlet pipeline 2 is started to drive the rotating shaft 8 to rotate, thereby drive four groups of scraping plates 9 to rotate on the lower surface of the filter screen plate 6, so as to scrape impurities on the lower surface of the filter screen plate 6, meanwhile, the air blower 10 of the upper surface of the smoke inlet pipeline 2 is started, ammonia is pumped into the inside of the air outlet transverse pipe 13 through the matching of the exhaust pipe 11 and the exhaust pipe 12, and the ammonia is discharged opposite to the lower surface of the filter screen plate 6, the filter screen plate 6 can be automatically cleaned when the waste gas is filtered, a good anti-blocking effect is achieved, and the denitration reaction efficiency is remarkably improved.

Referring to fig. 1-4, in an SCR denitration reactor with an automatic cleaning function, three groups of second fixing shafts 17 are fixedly connected to a main body 1 at equal intervals, rotating frame plates 14 are sleeved on the outer sides of the three groups of second fixing shafts 17, first fixing shafts 15 are fixedly connected to one middle position of one side of each of the three groups of rotating frame plates 14, rotating baffles 16 are sleeved on the outer sides of the three groups of first fixing shafts 15, and denitration catalysts 20 are clamped on the inner sides of the three groups of rotating frame plates 14.

The upper surfaces of the three groups of rotating frame plates 14 are close to the middle position of one side and are provided with rotating holes 18 in a penetrating mode, the three groups of second fixed shaft rods 17 are located on the inner sides of the three groups of rotating holes 18 respectively, two sides of the three groups of rotating frame plates 14 are provided with clamping bolts 19 in a penetrating mode, and the clamping bolts 19 are clamped with a denitration catalyst 20.

In this embodiment, the rotation of the rotary frame plate 14 is used by the cooperation of the second fixed shaft 17 and the rotary hole 18.

Three sets of rotating frame plates 14 are distributed on the main body 1 at equal intervals, and the length of the rotating baffle 16 is larger than the height of the rotating frame plates 14.

In this embodiment, the rotation of the rotating shutter 16 is used by rotating the first fixed shaft 15 outside the frame plate 14.

Specifically, the first fixed shaft lever 15 on the rotating frame plate 14 is used for enabling the rotating baffle 16 to rotate to a transverse position, the second fixed shaft lever 17 and the rotating hole 18 are matched for enabling the rotating frame plate 14 to rotate 180 degrees, and the denitration catalyst 20 is moved out of the inner side of the rotating frame plate 14 through the two groups of clamping bolts 19, so that the convenient dismounting function of a plurality of denitration catalysts 20 is achieved, and the denitration catalyst 20 can be replaced quickly.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. An SCR denitration reactor with an automatic cleaning function, comprising a smoke inlet pipe (2) arranged at the upper end of a main body (1), characterized in that it also comprises a filter screen plate (6), a rotating shaft (8) is provided through the middle position of the filter screen plate (6), four groups of scrapers (9) are fixedly connected to the outer side of the rotating shaft (8) near the bottom end, one end of the smoke inlet pipe (2) is clamped with a cover plate (3), the outer side surface of the cover plate (3) is fixedly connected to an air inlet pipe (4), and the upper end of the cover plate (3) is provided with an air outlet transverse pipe (13);

A collecting hopper (5) is clamped on the lower surface of the smoke inlet pipe (2), and a blower (10) is fixedly mounted on one side of the upper surface of the main body (1), the air inlet and air outlet of the blower (10) are respectively fixedly connected to an exhaust pipe (11) and an exhaust pipe (12), and an exhaust transverse pipe (13) is connected to the exhaust pipe (12).

2. An SCR denitration reactor with automatic cleaning function according to claim 1, characterized in that: a drive motor (7) is fixedly installed near the middle position of the upper surface of the smoke inlet pipe (2), and a rotating shaft (8) is fixedly connected to the output end of the drive motor (7), and the rotating shaft (8) obliquely penetrates the upper surface of the smoke inlet pipe (2).

3. The SCR denitration reactor with automatic cleaning function according to claim 2, characterized in that: the four groups of scrapers (9) are located on the lower surface of the filter screen plate (6), and the filter screen plate (6) is tilted and stuck inside the smoke inlet pipe (2).

4. An SCR denitration reactor with an automatic cleaning function according to claim 1, characterized in that: three groups of second fixed shafts (17) are fixedly connected to the main body (1) at equal intervals, the outer sides of the three groups of second fixed shafts (17) are sleeved with a rotating frame plate (14), the middle position of one side of the three groups of rotating frame plates (14) is fixedly connected with a first fixed shaft (15), the outer sides of the three groups of first fixed shafts (15) are sleeved with a rotating baffle (16), and the inner sides of the three groups of rotating frame plates (14) are clamped with a denitration catalyst (20).

5. An SCR denitration reactor with automatic cleaning function according to claim 4, characterized in that: a rotation hole (18) is penetrated through the upper surface of the three groups of rotating frame plates (14) near the middle position of one side, and the three groups of second fixed shaft rods (17) are respectively located on the inner sides of the three groups of rotating holes (18).

6. The SCR denitration reactor with automatic cleaning function according to claim 5, characterized in that: both sides of the three groups of rotating frame plates (14) are penetrated by bolts (19), and the bolts (19) are engaged with the denitration catalyst (20).

7. An SCR denitration reactor with automatic cleaning function according to claim 4, characterized in that: the three groups of rotating frame plates (14) are evenly spaced and distributed on the main body (1), and the length of the rotating baffle (16) is greater than the height of the rotating frame plate (14).