CN216259987U

CN216259987U - Flue ozone denitration system

Info

Publication number: CN216259987U
Application number: CN202121872856.XU
Authority: CN
Inventors: 司五庆; 靳森森
Original assignee: Qinyang Huayuan Environmental Protection Equipment Co ltd
Current assignee: Qinyang Huayuan Environmental Protection Equipment Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-04-12
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a flue ozone denitration system, relates to the technical field of denitration, and particularly relates to a flue ozone denitration system which comprises a reaction box, wherein a first limiting sleeve is fixedly connected to the inner bottom wall of the reaction box, a bearing is fixedly connected to the inner wall of the first limiting sleeve, a light shaft rod is fixedly connected to the inside of the bearing, and one end of the light shaft rod is fixedly connected with another bearing. This flue ozone deNOx systems, through first intake pipe, the second intake pipe, the cooperation setting of light axostylus axostyle and light flabellum, can pass through the draught fan to the pulling of ozone and flue gas adsorb the back at the in-process of using, make ozone and flue gas blow off respectively from second intake pipe and first intake pipe, blow to on the light flabellum, thereby drive the rotation of light axostylus axostyle, under the effect of light flabellum, stir the gas in the reaction box, thereby the effect of flue gas and ozone homogeneous mixing has been played, the purpose that improves the flue gas denitration rate has been reached.

Description

Flue ozone denitration system

Technical Field

The utility model relates to the technical field of denitration, in particular to a flue ozone denitration system.

Background

Denitration refers to the removal of nitrogen oxides from flue gas. In order to solve the problem of smoke emission of small and medium-sized and industrial boilers, the ozone oxidation denitration technology is gradually widely applied. Ozone is sprayed into the flue gas pipeline, and NO in the flue gas is oxidized by utilizing the strong oxidizing property of the ozone to form high-valence NO2, N2O3 and the like which are easily dissolved in water. The high-valence nitrogen oxide is matched with the alkaline solution of the wet desulphurization spray tower, so that the nitrogen oxide in the flue gas can be melted into the alkaline solution, and the aim of denitration is fulfilled.

However, in the process of current ozone denitration treatment, ozone gas distribution system can't make ozone and flue gas intensive mixing, because the mixed effect is poor, and then make the denitration rate reach standard requirement, the distance between current ozone gas blender and the wet flue gas desulfurization spray column is too far away simultaneously, under the ambient temperature of flue gas, can make the nitrogen oxide of high valence state decompose the nitrogen oxide of low valence state again, because the nitrogen oxide of low valence state is difficult for dissolving in water, consequently, can make the denitration efficiency of flue gas reduce, current flue ozone denitration system has ozone and flue gas mixture homogeneous inadequately, the lower scheduling problem of denitration efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a flue ozone denitration system, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a flue ozone denitration system comprises a reaction box, wherein a first limiting sleeve is fixedly connected to the inner bottom wall of the reaction box, a bearing is fixedly connected to the inner wall of the first limiting sleeve, a light shaft rod is fixedly connected to the inside of the bearing, another bearing is fixedly connected to one end of the light shaft rod, a second limiting sleeve is fixedly connected to the outer surface of the other bearing, the second limiting sleeve is fixedly connected to the inner top wall of the reaction box, a light fan blade is fixedly connected to the outer surface of the light shaft rod, a first through hole is formed in the reaction box, a first air inlet pipe is fixedly connected to the inside of the first through hole, a pressure pump is fixedly connected to the inner bottom wall of the reaction box, a two-way joint is fixedly connected to the outer surface of a water outlet of the pressure pump, a guide pipe is fixedly connected to the outer surface of the two-way joint, and a spray nozzle is fixedly connected to one end of the guide pipe, one end fixedly connected with spliced pole of pipe, the one end and the reaction box fixed connection of spliced pole, the lower fixed surface of reaction box is connected with the backup pad.

Optionally, the one end fixedly connected with boiler of backup pad, the inside fixedly connected with flue gas pipe of boiler, the first draught fan of one end fixedly connected with of flue gas pipe, the lower fixed surface of first draught fan is connected with the support column, the first air-supply line of outer fixed surface of first draught fan is connected with, the one end fixedly connected with three-dimensional induced duct of first air-supply line, three-dimensional induced duct one end and first intake pipe fixed connection.

Optionally, the outer fixed surface of reaction box is connected with ozone generator, ozone generator's inside fixedly connected with conveyer pipe, the one end fixedly connected with second draught fan of conveyer pipe, second draught fan and reaction box fixed connection, the outer fixed surface of second draught fan output tuyere is connected with the second air-supply line, the one end fixedly connected with three-dimensional induced duct of second air-supply line, the one end fixedly connected with second intake pipe of three-dimensional induced duct.

Optionally, first draught fan includes shell, connecting rod, small-size motor and blade, shell and connecting rod fixed connection, connecting rod and small-size motor fixed connection, small-size motor output shaft and blade fixed connection, the inner structure of second draught fan and first draught fan is the same.

Optionally, the number of the first air inlet pipes and the number of the second air inlet pipes are three, and the first air inlet pipes, the second air inlet pipes and the reaction box form a certain angle in the vertical direction.

Optionally, the upper surface of the reaction box is fixedly connected with a liquid inlet pipe, the upper surface of the reaction box is fixedly connected with a gas outlet pipe, the lower end of the reaction box is fixedly connected with a liquid discharge pipe, and a control valve is arranged inside the liquid discharge pipe.

(III) advantageous effects

The utility model provides a flue ozone denitration system, which has the following beneficial effects:

1. this flue ozone deNOx systems, through first intake pipe, the second intake pipe, the cooperation setting of light axostylus axostyle and light flabellum, can pass through the draught fan to the pulling of ozone and flue gas adsorb the back at the in-process of using, make ozone and flue gas blow off respectively from second intake pipe and first intake pipe, blow to on the light flabellum, thereby drive the rotation of light axostylus axostyle, under the effect of light flabellum, stir the gas in the reaction box, thereby the effect of flue gas and ozone homogeneous mixing has been played, the purpose that improves the flue gas denitration rate has been reached.

2. This flue ozone deNOx systems sets up through the cooperation of shower nozzle, force pump, can take out the alkaline solution in the reaction tank through the force pump at the in-process that uses, again from the shower nozzle blowout to in the gas of mixing to play and reduced the effect that the gas re-reaction phenomenon takes place of mist in transportation process, reached the purpose that improves flue gas denitration rate.

Drawings

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

FIG. 2 is a schematic view showing the internal structure of the reaction tank of the present invention;

FIG. 3 is a schematic view of the internal structure of a first induced draft fan according to the present invention;

fig. 4 is a schematic perspective view of the present invention.

In the figure: 1. a reaction box; 2. a first stop collar; 3. a lightweight shaft; 4. light fan blades; 5. a first intake pipe; 6. a pressure pump; 8. a conduit; 9. a spray head; 10. a support plate; 11. a boiler; 12. a first induced draft fan; 1201. a connecting rod; 1202. a small-sized motor; 1203. a blade; 13. a first air inlet pipe; 14. A three-way air guide pipe; 15. an ozone generator; 16. a second induced draft fan; 17. a second air inlet pipe; 18. a second intake pipe; 19. a liquid inlet pipe; 20. an air outlet pipe; 21. and a liquid discharge pipe.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a flue ozone denitration system comprises a reaction box 1, wherein an ozone generator 15 is fixedly connected to the outer surface of the reaction box 1, a conveying pipe is fixedly connected to the inside of the ozone generator 15, a second draught fan 16 is fixedly connected to one end of the conveying pipe, the second draught fan 16 is fixedly connected with the reaction box 1, a second air inlet pipe 17 is fixedly connected to the outer surface of an air outlet of the second draught fan 16, a three-way air guiding pipe 14 is fixedly connected to one end of the second air inlet pipe 17, a second air inlet pipe 18 is fixedly connected to one end of the three-way air guiding pipe 14, a limiting sleeve 2 is fixedly connected to the inner bottom wall of the reaction box 1, a bearing is fixedly connected to the inner wall of the first limiting sleeve 2, a light shaft lever 3 is fixedly connected to the inside of the bearing, another bearing is fixedly connected to one end of the light shaft lever, a second limiting sleeve is fixedly connected to the outer surface of the other bearing, and the second limiting sleeve is fixedly connected to the inner top wall of the reaction box 1, the outer surface of the light shaft lever 3 is fixedly connected with a light fan blade 4, the inside of the reaction box 1 is provided with a first through hole, the inside of the first through hole is fixedly connected with a first air inlet pipe 5, the inner bottom wall of the reaction box is fixedly connected with a pressure pump 6, the outer surface of the water outlet of the pressure pump 6 is fixedly connected with a two-way joint, the outer surface of the two-way joint is fixedly connected with a guide pipe 8, one end of the guide pipe 8 is fixedly connected with a spray head 9, the alkaline solution in the reaction box 1 can be pumped out through the pressure pump 6 in the using process and then is sprayed out from the spray head 9 to the mixed gas, thereby reducing the gas re-reaction phenomenon of the mixed gas in the conveying process, achieving the purpose of improving the flue gas denitration rate, one end of the guide pipe 8 is fixedly connected with a connecting column, one end of the connecting column is fixedly connected with the reaction box 1, the lower surface of the reaction box is fixedly connected with a supporting plate 10, the supporting plate is arranged by matching a first air inlet pipe 5, a second air inlet pipe 18, a light shaft lever 3 and a light fan blade 4, ozone and smoke are respectively blown out from the second air inlet pipe 18 and the first air inlet pipe 5 after being drawn and adsorbed by a draught fan in the use process and blown onto the light fan blade 4, so that the light shaft lever 3 is driven to rotate, the gas in the reaction box 1 is stirred under the action of the light fan blade 4, the uniform mixing effect of the smoke and the ozone is achieved, the aim of improving the smoke denitration rate is achieved, one end of the supporting plate 10 is fixedly connected with a boiler 11, the inside of the boiler 11 is fixedly connected with a smoke pipe, one end of the smoke pipe is fixedly connected with a first draught fan 12, the first draught fan 12 comprises a shell, a connecting rod 1201, a small motor 1202 and blades 1203, the shell is fixedly connected with the connecting rod, connecting rod 1201 and small motor 1202 fixed connection, small motor 1202 output shaft and blade 1203 fixed connection, the inner structure of second draught fan 16 and first draught fan 12 is the same, the lower fixed surface of first draught fan 12 is connected with the support column, the outer fixed surface of first draught fan is connected with first air-supply line 13, the one end fixedly connected with three-way induced duct 14 of first air-

supply line

13, 14 one end of three-way induced duct and first intake pipe 5 fixed connection, the quantity of first intake pipe 5 and second intake pipe 18 is three, first intake pipe 5 is certain angle with reaction box 1 in vertical direction with second intake pipe 18, the last fixed surface of reaction box 1 is connected with feed liquor pipe 19, the last fixed surface of reaction box 1 is connected with outlet duct 20, the lower extreme fixedly connected with fluid-discharge tube 21 of reaction box 1, the inside of fluid-discharge tube 21 is provided with control flap.

When the device is used, alkaline solution is added into the reaction box 1 through the liquid inlet pipe 19, after the addition is completed, the liquid inlet pipe 19 is closed, then the ozone generator 15 is controlled to work to produce ozone, then the small motor 1202 is controlled to rotate to drive the blades 1203 to rotate, the induced draft fan starts to work, after the induced draft fan draws and adsorbs the ozone in the ozone generator 15 and the smoke in the smoke pipe, the ozone and the smoke are respectively blown out to the light fan blades 4 from the second air inlet pipe 18 and the first air inlet pipe 5, so that the light shaft lever 3 is driven to rotate, the gas in the reaction box 1 is stirred under the action of the light fan blades 4, so that the smoke and the ozone are fully mixed, meanwhile, the alkaline solution in the reaction box 1 is sprayed out from the spray head 9 through the guide pipe 8 through the work of the pressure pump 6 to be irrigated to the mixed gas to carry out denitration, and the occurrence of gas re-reaction phenomenon in the conveying process of the mixed gas is reduced, efficiency of denitration is improved, gas after the reaction, discharge from outlet duct 20, setting through two-way joint, make alkaline solution form a confined water curtain at the interior roof of reaction box 1, all gas through the water curtain all can fully contact with alkaline solution, thereby the denitration rate of flue gas has been guaranteed, after long-time use, through control flap, open fluid-discharge tube 21, discharge the alkaline solution in reaction box 1, from newly changing solution, the while is in the in-process kayi of using controls the volume of ozone and flue gas in getting into reaction box 1 through the rotational speed of control small motor 1202.

The working principle and the beneficial effects of the utility model are as follows: the flue ozone denitration system is characterized in that the first air inlet pipe 5, the second air inlet pipe 18, the light shaft lever 3 and the light fan blade 4 are arranged in a matching way, ozone and smoke can be blown out from the second air inlet pipe 18 and the first air inlet pipe 5 respectively after being drawn and adsorbed by a draught fan in the use process and blown onto the light fan blade 4, so that the light shaft lever 3 is driven, the gas in the reaction box 1 is stirred under the action of the blades 1203, the uniform mixing effect of the smoke and the ozone is achieved, the aim of improving the smoke denitration rate is fulfilled, the nozzles 9 and the pressure pump 6 are arranged in a matching way, alkaline solution in the reaction box 1 can be pumped out through the pressure pump 6 in the use process, and then the alkaline solution is sprayed out from the nozzles 9 into the mixed gas, so that the gas re-reaction phenomenon of the mixed gas in the conveying process is reduced, the aim of improving the denitration rate of the flue gas is fulfilled.

The above description is only for 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 should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a flue ozone deNOx systems, includes reaction box (1), its characterized in that: a first limiting sleeve (2) is fixedly connected to the inner bottom wall of the reaction box (1), a bearing is fixedly connected to the inner wall of the first limiting sleeve (2), a light shaft lever (3) is fixedly connected to the inside of the bearing, another bearing is fixedly connected to one end of the light shaft lever (3), a second limiting sleeve is fixedly connected to the outer surface of the other bearing, the second limiting sleeve is fixedly connected to the inner top wall of the reaction box (1), a light fan blade (4) is fixedly connected to the outer surface of the light shaft lever (3), a first through hole is formed in the reaction box (1), a first air inlet pipe (5) is fixedly connected to the inside of the first through hole, a pressure pump (6) is fixedly connected to the inner bottom wall of the reaction box (1), a two-way joint is fixedly connected to the outer surface of a water outlet of the pressure pump (6), and a guide pipe (8) is fixedly connected to the outer surface of the two-way joint, the one end fixedly connected with shower nozzle (9) of pipe (8), the one end fixedly connected with spliced pole of pipe (8), the one end and reaction box (1) fixed connection of spliced pole, the lower fixed surface of reaction box is connected with backup pad (10).

2. The flue ozone denitration system of claim 1, characterized in that: the one end fixedly connected with boiler (11) of backup pad (10), the inside fixedly connected with flue gas pipe of boiler (11), the first draught fan (12) of one end fixedly connected with of flue gas pipe, the lower fixed surface of first draught fan (12) is connected with the support column, the first air-supply line (13) of outer fixed surface of first draught fan (12) is connected with, the one end fixedly connected with three-dimensional induced duct (14) of first air-supply line (13), three-dimensional induced duct (14) one end and first intake pipe (5) fixed connection.

3. The flue ozone denitration system of claim 2, characterized in that: the fixed surface of reaction box (1) is connected with ozone generator (15), the inside fixedly connected with conveyer pipe of ozone generator (15), the one end fixedly connected with second draught fan (16) of conveyer pipe, second draught fan (16) and reaction box (1) fixed connection, the fixed surface of second draught fan (16) output wind gap is connected with second air-supply line (17), the one end fixedly connected with three-dimensional induced duct (14) of second air-supply line (17), the one end fixedly connected with second intake pipe (18) of three-dimensional induced duct (14).

4. The flue ozone denitration system of claim 3, wherein: first draught fan (12) include shell, connecting rod (1201), small motor (1202) and blade (1203), shell and connecting rod (1201) fixed connection, connecting rod (1201) and small motor (1202) fixed connection, small motor (1202) output shaft and blade (1203) fixed connection, the inner structure of second draught fan (16) and first draught fan (12) is the same.

5. The flue ozone denitration system of claim 3, wherein: the quantity of first intake pipe (5) and second intake pipe (18) is for being three, first intake pipe (5) and second intake pipe (18) are certain angle with reaction box (1) on vertical direction.

6. The flue ozone denitration system of claim 1, characterized in that: the device is characterized in that a liquid inlet pipe (19) is fixedly connected to the upper surface of the reaction box (1), an air outlet pipe (20) is fixedly connected to the upper surface of the reaction box (1), a liquid discharge pipe (21) is fixedly connected to the lower end of the reaction box (1), and a control valve is arranged inside the liquid discharge pipe (21).