CN211358372U

CN211358372U - Catalytic device for desulfurization and denitrification

Info

Publication number: CN211358372U
Application number: CN201921844310.6U
Authority: CN
Inventors: 张华�
Original assignee: Jinan Senhua Engineering Technology Co ltd
Current assignee: Jinan Senhua Engineering Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-28
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a catalytic unit for desulfurization and denitrification, which comprises a reaction tower, a plurality of spray heads and a filter plate, wherein one side edge of the top of the reaction tower is connected with an air inlet pipe, the top end of the interior of the reaction tower is connected with the plurality of spray heads through connecting pipes, the side edge of the interior of the reaction tower is fixed with a temperature detector, the bottom of the interior of the reaction tower is fixed with the filter plate, the middle part of the bottom of the reaction tower is fixed with a motor, an output shaft of the motor is connected with a rotating shaft, the rotating shaft penetrates through the filter plate and extends to the upper part of the filter plate, the top end of the rotating shaft is fixed with a connecting plate, the side edge of the connecting plate is respectively fixed with an electric telescopic rod, one end of the electric telescopic rod far away from the connecting plate is fixed with a brush plate, the bottom end surface of the brush plate is flush with, the outer side of the reaction tower is movably connected with a box door through a hinge at a position corresponding to the filter plate.

Description

Catalytic device for desulfurization and denitrification

Technical Field

The utility model relates to a catalysis technical field particularly, relates to a catalytic unit for SOx/NOx control.

Background

With the continuous acceleration of industrialization and urbanization in China, the industry has a greater and greater proportion in the increase of national economy, and the demand of human beings on energy is increasing day by day. The consumption of natural resources such as coal, oil, natural gas and the like is increasing dramatically, resulting in atmospheric pollution. In recent years, with the influence of haze weather, the state defines the emission concentration indexes of sulfides and nitrides in the flue gas of the coke oven in the coking industry, and requires strict control on the emission of the sulfides and the nitrides. However, when the existing catalytic reaction equipment is used, the catalyst needs a proper temperature to reach the maximum catalytic efficiency of the catalyst, but the existing catalytic device does not have a temperature control structure, so that the reaction efficiency is low.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to provide a catalytic unit for SOx/NOx control to above not enough, solve above-mentioned problem.

The technical scheme of the utility model is realized like this:

a catalytic device for desulfurization and denitrification comprises a reaction tower, spray heads and a filter plate, wherein an air inlet pipe is connected to one side edge of the top of the reaction tower, a plurality of spray heads are connected to the top end of the interior of the reaction tower through connecting pipes, the connecting pipes are connected with an external liquid storage tank, a sodium hydroxide solution and a catalyst are placed in the liquid storage tank, a temperature detector is fixed to the side edge of the interior of the reaction tower, the filter plate is fixed to the bottom of the interior of the reaction tower, a motor is fixed to the middle of the bottom end of the reaction tower, an output shaft of the motor is connected with a rotating shaft, the rotating shaft penetrates through the filter plate and extends to the position above the filter plate, a connecting plate is fixed to the top end of the rotating shaft, electric telescopic rods are respectively fixed to the side edges of the connecting plate, a brush plate is fixed to one end, far, the heating pipe is fixed inside one side of the reaction tower, the fan is fixed above the filter plate and located at the bottom of two sides of the outside of the reaction tower, the fan extends into the inside of the reaction tower through a pipeline, the box door is movably connected with the position, corresponding to the filter plate, of the outer side of the reaction tower through a hinge, the bottom end of the reaction tower is connected with a drain pipe, and a valve is fixed on the drain pipe.

Preferably, the duct is an upwardly inclined duct.

Preferably, a sealing strip is connected between the box door and the side edge corresponding to the reaction tower.

Preferably, the connecting plate is a rectangular connecting plate, and a plurality of through holes are uniformly formed in the surface of the connecting plate.

Preferably, a filter screen is fixed inside the intake pipe.

Preferably, an observation window is fixed in the middle of the box door, and the observation window is a transparent observation window.

Preferably, the bottom corners of the reaction tower are respectively fixed with supporting legs, and the bottom ends of the supporting legs are fixed with anti-skid base plates.

Preferably, a control button is fixed on one side of the outside of the reaction tower, and the control button is in control connection with the motor.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the temperature in the reaction tower can be controlled to be at a proper catalytic temperature, so that the proceeding and the efficiency of catalytic reaction are guaranteed.

2. Can clean the surface of filter, prevent the jam of filter, do benefit to the health and the safety of filter more.

Drawings

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

FIG. 1 is a schematic structural diagram of a catalytic device for desulfurization and denitrification according to an embodiment of the present invention;

fig. 2 is a schematic view of the external structure of a reaction column according to an embodiment of the present invention;

fig. 3 is a top view of portion a of fig. 1 according to an embodiment of the present invention.

In the figure:

1. a reaction tower; 2. a spray head; 3. a filter plate; 4. an air inlet pipe; 5. a connecting pipe; 6. a control button; 7. a temperature detector; 8. a motor; 9. a rotating shaft; 10. a connecting plate; 11. an electric telescopic rod; 12. brushing the board; 13. heating a tube; 14. a fan; 15. a pipeline; 16. a box door; 17. a sealing strip; 18. a through hole; 19. a filter screen; 20. an observation window; 21. supporting legs; 22. and a water discharge pipe.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention will be further explained with reference to the drawings and the specific embodiments.

In the first embodiment, as shown in fig. 1-3, a catalytic apparatus for desulfurization and denitration according to an embodiment of the present invention includes a reaction tower 1, a nozzle 2 and a filter plate 3, an air inlet pipe 4 is connected to a side of the top of the reaction tower 1, a plurality of nozzles 2 are connected to the top of the reaction tower 1 through a connecting pipe 5, a temperature detector 7 is fixed to the side of the interior of the reaction tower 1, the filter plate 3 is fixed to the bottom of the interior of the reaction tower 1, a motor 8 is fixed to the middle of the bottom of the reaction tower 1, an output shaft of the motor 8 is connected to a rotating shaft 9, the rotating shaft 9 penetrates through the filter plate 3 and extends to the upper side of the filter plate 3, a connecting plate 10 is fixed to the top of the rotating shaft 9, electric telescopic rods 11 are respectively fixed to the sides of the connecting plate 10, and a brush plate 12 is fixed to one end of the, and the bottom end face of the brush plate 12 is flush with the surface of the filter plate 3, a heating pipe 13 is fixed inside one side of the reaction tower 1, a fan 14 is fixed at the bottom of the two sides of the outside of the reaction tower 1 and above the filter plate 3, the fan 14 extends into the reaction tower 1 through a pipeline 15, the position of the outside of the reaction tower 1 corresponding to the filter plate 3 is movably connected with a box door 16 through a hinge, the bottom end of the reaction tower 1 is connected with a drain pipe 22, and a valve is fixed on the drain pipe 22.

In the second embodiment, as shown in fig. 2, the duct 15 is an upwardly inclined duct 15; the bottom flue gas can be fed to the upper end of the reaction column 1 through an upwardly inclined duct 15.

In the third embodiment, as shown in fig. 2, a sealing strip 17 is connected between the box door 16 and the corresponding side edge of the reaction tower 1; the sealing performance between the box door 16 and the reaction tower 1 is increased by the sealing strip 17.

In a fourth embodiment, as shown in fig. 3, the connecting plate 10 is a rectangular connecting plate 10, and a plurality of through holes 18 are uniformly formed in the surface of the connecting plate 10; the passage of liquid may be facilitated by the through-holes 18.

In the fifth embodiment, as shown in fig. 1, a filter screen 19 is fixed inside the air inlet pipe 4; the particle impurities in the flue gas can be effectively filtered through the filter screen 19.

In a sixth embodiment, as shown in fig. 2, an observation window 20 is fixed in the middle of the box door 16, and the observation window 20 is a transparent observation window 20; the reaction inside the reaction tower 1 can be observed efficiently through the observation window 20.

In the seventh embodiment, as shown in fig. 1 and 2, support legs 21 are fixed at the bottom corners of the reaction tower 1, and anti-skid base plates are fixed at the bottom ends of the support legs 21; the supporting legs 21 can support and fix the device, and meanwhile, the anti-slip base plate can prevent slipping, so that the stability and safety of the device are facilitated.

In an eighth embodiment, as shown in fig. 1, a control button 6 is fixed on one side of the outside of the reaction tower 1, and the control button 6 is in control connection with the motor 8; the rotation of the motor 8 can be conveniently controlled by the control button 6.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the flue gas enters the reaction tower 1 through the air inlet pipe 4, the impurities and dust in the flue gas can be filtered through the filter screen 19 inside the air inlet pipe 4, the connecting pipe 5 is connected with the external liquid storage tank, the copper hydroxide solution and the catalyst are placed inside the liquid storage tank, the temperature inside the reaction tower 1 can be detected in real time through the temperature detector 7, when the temperature inside the reaction tower is lower than the effective reaction temperature of the catalyst, the heating pipe 13 is used for heating the inside of the reaction tower 1, when the temperature inside the reaction tower is higher, the fan 14 is used for cooling, so that the temperature inside the reaction tower is in the effective reaction temperature range suitable for the catalyst, meanwhile, the inclined pipeline 15 can convey the flue gas at the bottom to the upper end, so that the effective contact can be carried out with the catalyst and the solution sprayed from the spray head 2, the solvent generated by the reaction is filtered through the filter screen, can make things convenient for control motor 8's rotation through outside control button 6, motor 8's rotation drives the rotation of pivot 9 and connecting plate 10 to drive brush board 12 along with rotating through connecting plate 10's rotation, can carry out effectual cleanness to the surface of filter 3 through brush board 12, thereby ensure the clean health on filter 3 surface.

Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The catalytic device for desulfurization and denitrification is characterized by comprising a reaction tower (1), spray heads (2) and filter plates (3), wherein an air inlet pipe (4) is connected to one side edge of the top of the reaction tower (1), a plurality of spray heads (2) are connected to the top end of the interior of the reaction tower (1) through connecting pipes (5), a temperature detector (7) is fixed to the side edge of the interior of the reaction tower (1), the filter plates (3) are fixed to the bottom of the interior of the reaction tower (1), a motor (8) is fixed to the middle portion of the bottom end of the reaction tower (1), an output shaft of the motor (8) is connected with a rotating shaft (9), the rotating shaft (9) penetrates through the filter plates (3) and extends to the upper portions of the filter plates (3), a connecting plate (10) is fixed to the top end of the rotating shaft (9), and electric telescopic rods (11) are respectively fixed to the, keep away from electric telescopic handle (11) the one end of connecting plate (10) is fixed with brush board (12), just the bottom face of brush board (12) with the surface of filter (3) flushes mutually, one side inside of reaction tower (1) is fixed with heating pipe (13), the outside both sides bottom of reaction tower (1) just is located the top of filter (3) is fixed with fan (14), fan (14) extend to through pipeline (15) the inside of reaction tower (1), the outside of reaction tower (1) with there is chamber door (16) through hinge swing joint in the corresponding position of filter (3), the bottom of reaction tower (1) is connected with drain pipe (22), be fixed with the valve on drain pipe (22).

2. A catalyst device for desulfurization and denitrification according to claim 1, wherein said duct (15) is an upwardly inclined duct (15).

3. The catalytic device for desulfurization and denitrification according to claim 1, wherein a sealing strip (17) is connected between the box door (16) and the corresponding side of the reaction tower (1).

4. The catalytic device for desulfurization and denitrification according to claim 1, wherein the connecting plate (10) is a rectangular connecting plate (10), and a plurality of through holes (18) are uniformly formed on the surface of the connecting plate (10).

5. A catalyst device for desulfurization and denitrification according to claim 1, wherein a filter screen (19) is fixed inside the intake pipe (4).

6. The catalytic device for desulfurization and denitrification according to claim 1, wherein an observation window (20) is fixed in the middle of the box door (16), and the observation window (20) is a transparent observation window (20).

7. The catalytic device for desulfurization and denitrification according to claim 1, wherein supporting legs (21) are fixed at the corners of the bottom end of the reaction tower (1), and anti-skid backing plates are fixed at the bottom ends of the supporting legs (21).

8. The catalytic device for desulfurization and denitrification according to claim 1, wherein a control button (6) is fixed on one side of the outer part of the reaction tower (1), and the control button (6) is in control connection with the motor (8).