CN217188808U

CN217188808U - Denitration device for dedusting tower of light-burning kiln

Info

Publication number: CN217188808U
Application number: CN202123058549.0U
Authority: CN
Inventors: 江元丰
Original assignee: Yingkou Fengjie Industrial Development Co ltd
Current assignee: Yingkou Fengjie Industrial Development Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-08-16
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a denitration device for a dust removal tower of a light-burning kiln, which comprises a base, wherein the top of the base is provided with a dust removal box and a reaction box, one side of the dust removal box is provided with an air inlet pipe, the bottom end of one side of the dust removal box, which is far away from the air inlet pipe, is communicated with the reaction box through a communicating pipe, a filter screen is arranged inside the dust removal box, a pollution discharge assembly and a cleaning assembly for preventing the filter screen from being blocked are arranged inside the dust removal box, and a spraying assembly is arranged inside the reaction box; the spraying assembly comprises a supporting plate which is arranged on one side of the reaction box and is far away from the dust removal box, a booster pump is arranged at the top of the supporting plate, a circulating pipe is arranged at the bottom end of one side of the reaction box, which is far away from the dust removal box, one end of the circulating pipe, which is far away from the reaction box, is connected with the input end of the booster pump, and the spraying assembly is convenient to clean the filter screen and discharge dust through being provided with a filtering assembly and a pollution discharge assembly, so that the spraying assembly is strong in practicability.

Description

Denitration device for dedusting tower of light-burning kiln

Technical Field

The utility model relates to a denitration device technical field specifically is a denitration device for light-burning kiln gas wash tower.

Background

Denitration is a process of removing nitrogen oxides from combustion flue gas, and has been proposed as a worldwide problem because of the importance of preventing environmental pollution. In order to prevent the environment pollution caused by excessive NOx generated after the coal in the boiler is combusted, the coal is subjected to denitration treatment.

Among the denitration desulfurization dust collector for boiler that does not have CN208757277U behind the current announcement, carry out the denitration through letting in the lime wash with the flue gas, through the mode to first filter layer and second filter layer adoption grafting design, be convenient for change first filter layer and second filter layer, there are some shortcomings in this device when using, only let in the flue gas and have the condition that flue gas and lime wash do not react thoroughly in the lime wash, influence the denitration effect, and prevent it to be blockked up through dismantling to change first filter layer and second filter layer, influence the convenience of device.

Aiming at the problems, the improved denitration device for the dust removal tower of the light-burning kiln is designed at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-burned kiln denitrification facility for gas wash tower to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a denitration device for a dust removal tower of a light-burning kiln comprises a base, wherein a dust removal box and a reaction box are arranged at the top of the base, an air inlet pipe is arranged on one side of the dust removal box, the bottom end, far away from the air inlet pipe, of one side of the dust removal box is communicated with the reaction box through a communicating pipe, a filter screen is arranged in the dust removal box, a sewage discharge assembly and a cleaning assembly used for preventing the filter screen from being blocked are arranged in the dust removal box, and a spraying assembly is arranged in the reaction box;

the spraying assembly comprises a supporting plate arranged on one side of the reaction box far away from the dust removal box, a booster pump is arranged at the top of the supporting plate, a circulating pipe is arranged at the bottom end of one side of the reaction box far away from the dust removal box, one end of the circulating pipe far away from the reaction box is connected with the input end of the booster pump, the output end of the booster pump extends to the inside of the reaction box and is connected with a water outlet pipe, a plurality of sprinkling trays are arranged at the bottom of the water outlet pipe, and an air outlet pipe is arranged at the top of the reaction box.

Preferably, the clearance subassembly is including setting up the motor at the dust removal roof portion, the output of motor extends to the dust removal incasement portion and is connected with the transmission shaft, the one end that the motor was kept away from to the transmission shaft extends to the filter screen bottom and is provided with the mounting panel, the mounting panel both ends all are provided with the scraper blade with filter screen matched with.

Preferably, the blowdown subassembly for discharge the dust on the filter screen, including setting up the blow off pipe in the filter screen bottom, the one end that the filter screen was kept away from to the blow off pipe extends to dust removal case below, the filter screen is round platform form.

Preferably, the bottom end of the transmission shaft extends into the sewage discharge pipe and is provided with a helical blade on the outer side.

Preferably, the two sides of the mounting plate are provided with rubber pads, and the outer diameter of each rubber pad is the same as the inner diameter of the sewage discharge pipe.

Preferably, the top of the reaction box is provided with a feed pipe which is convenient for adding medicines into the reaction box.

Preferably, a second filter screen is detachably arranged on the inner wall of the reaction box at the penetrating position of the circulating pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be provided with the filter screen in the device, can remove dust to the flue gas, can drive the transmission shaft through starter motor and rotate to drive the scraper blade through the mounting panel and rotate along the filter screen inner wall, can clear up the filter screen, prevent that the filter screen from being blockked up convenient to use.

2. The utility model discloses be provided with the blowdown subassembly among the device, the dust of being scraped by the scraper blade can fall to the rubber pad top, and along with the increase of accumulational dust weight, the rubber pad takes place deformation, and the dust can drop to the blow off pipe inside, can drive helical blade when the transmission shaft rotates and rotate to carry the dust to the blow off pipe outside, it is convenient to use, can prevent that the blow off pipe from being blockked up, and the practicality is strong.

3. The utility model discloses be provided with among the device and spray the subassembly, the inside lime wash that is equipped with of reaction box can react with the flue gas after removing dust, can carry the lime wash to the play water pipe in through the circulating pipe through starting the booster pump, by the shower nozzle blowout, can react with the flue gas that upwards flows once more, is favorable to improving denitration effect.

Drawings

Fig. 1 is a schematic structural diagram of a denitration device for a dust removal tower of a light-burning kiln.

Fig. 2 is a schematic structural diagram of the inside of a denitration device for a dust removal tower of a light-burning kiln.

Fig. 3 is a schematic structural diagram of a mounting plate in the denitration device for the dedusting tower of the light-fired kiln.

The device comprises a base 11, a dust removal box 12, a reaction box 13, an air inlet pipe 14, a filter screen 15, a communicating pipe 16, an air outlet pipe 17, a blow-off pipe 18, a motor 19, a transmission shaft 20, a mounting plate 21, a scraper 22, a rubber pad 23, a spiral blade 24, a booster pump 25, a circulating pipe 26, a water outlet pipe 27, a sprinkling disk 28 and a charging pipe 29.

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.

Example 1

Referring to fig. 1-3, in an embodiment of the present invention, a denitration device for a light-burned kiln dust-removal tower includes a base 11, a dust-removal box 12 and a reaction box 13 are disposed on the top of the base 11, an air inlet pipe 14 is disposed on one side of the dust-removal box 12, the bottom end of one side of the dust-removal box 12, which is far away from the air inlet pipe 14, is communicated with the reaction box 13 through a communicating pipe 16, a filter screen 15 is disposed inside the dust-removal box 12, a blowdown assembly and a cleaning assembly for preventing the filter screen 15 from being blocked are disposed inside the dust-removal box 12, and a spraying assembly is disposed inside the reaction box 13;

the subassembly of spraying is including setting up the backup pad of keeping away from dust removal case 12 one side at reaction box 13, the backup pad top is provided with booster pump 25, one side bottom that dust removal case 12 was kept away from to reaction box 13 is provided with circulating pipe 26, the one end that reaction box 13 was kept away from to circulating pipe 26 is connected with booster pump 25's input, booster pump 25's output extends to reaction box 13 inside and is connected with outlet pipe 27, outlet pipe 27 bottom is provided with a plurality of watering dishes 28, reaction box 13 top is provided with outlet duct 17.

The clearance subassembly is including setting up the motor 19 at dust removal case 12 top, motor 19's output extends to dust removal case 12 inside and is connected with transmission shaft 20, the one end that motor 19 was kept away from to transmission shaft 20 extends to filter screen 15 bottom and is provided with mounting panel 21, mounting panel 21 both ends all are provided with filter screen 15 matched with scraper blade 22, can drive the transmission shaft through the starter motor and rotate to drive the scraper blade through the mounting panel and rotate along the filter screen inner wall, can clear up the filter screen, prevent that the filter screen from being blockked up.

The dirt discharge assembly, which is used for discharging dust on the filter screen 15, comprises a dirt discharge pipe 18 arranged at the bottom of the filter screen 15, one end of the sewage discharge pipe 18, which is far away from the filter screen 15, extends to the lower part of the dust removing box 12, the filter screen 15 is in a circular truncated cone shape, the bottom end of the transmission shaft 20 extends into the interior of the sewage draining pipe 18 and is provided with a helical blade 24 on the outer side, rubber pads 23 are arranged on two sides of the mounting plate 21, the outer diameter of each rubber pad 23 is the same as the inner diameter of the sewage discharge pipe 18, dust scraped by the scraper can fall to the tops of the rubber pads, the rubber pads deform along with the increase of the weight of accumulated dust, the dust can fall into the sewage discharge pipe, the transmission shaft can drive the helical blades to rotate when rotating, thereby carry the dust to the blow off pipe outside, can prevent that the blow off pipe from blockking up, the setting of rubber pad can reduce the unfiltered flue gas and spill over by the junction of filter screen and blow off pipe simultaneously.

Reaction box 13 top is provided with the filling tube 29 of being convenient for to the inside medicine that adds of reaction box 13, along with the going on of reaction, needs to add reagent to the reaction box in, and the setting of filling tube is convenient for reinforced, and the practicality is strong.

Example 2

The difference from example 1 is: the second filter screen can be dismantled in the department of running through of circulating pipe 26 and be provided with on the inner wall of reaction box 13, and the lime wash in the reaction box can remove dust to the flue gas once more and handle, and the setting of second filter screen can filter the lime wash that gets into in the circulating pipe, prevents that the circulating pipe from blockking up, and the practicality is strong.

The utility model discloses a theory of operation is:

let in the flue gas in the intake pipe during use, the filter screen can remove dust to the flue gas, can drive the transmission shaft through starter motor and rotate, thereby drive the scraper blade through the mounting panel and rotate along the filter screen inner wall, can clear up the filter screen, the dust scraped by the scraper blade can fall to the rubber pad top, along with the increase of accumulational dust weight, the rubber pad takes place deformation, the dust can drop to inside the blow off pipe, can drive helical blade when the transmission shaft rotates and rotate, thereby carry the dust to outside the blow off pipe, can prevent that the blow off pipe from being blockked up, the inside lime wash that is equipped with of reaction box, can react with the flue gas after the dust removal, can carry the lime wash to in the play water pipe through the circulating pipe through starting the booster pump, by the shower nozzle blowout, can react with the flue gas that upwards flows once more, moreover, the steam generator is simple in structure, high durability and convenient operation, therefore, the clothes hanger is strong in practicability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. A denitration device for a light-burning kiln dust removal tower comprises a base (11), wherein a dust removal box (12) and a reaction box (13) are arranged at the top of the base (11), and the denitration device is characterized in that an air inlet pipe (14) is arranged on one side of the dust removal box (12), the bottom end, far away from the air inlet pipe (14), of the dust removal box (12) is communicated with the reaction box (13) through a communicating pipe (16), a filter screen (15) is arranged inside the dust removal box (12), a pollution discharge assembly and a cleaning assembly used for preventing the filter screen (15) from being blocked are arranged inside the dust removal box (12), and a spraying assembly is arranged inside the reaction box (13);

the spray assembly comprises a support plate arranged on one side of a reaction box (13) far away from a dust removal box (12), the top of the support plate is provided with a booster pump (25), one side bottom end of the reaction box (13) far away from the dust removal box (12) is provided with a circulating pipe (26), one end of the reaction box (13) far away from the circulating pipe (26) is connected with the input end of the booster pump (25), the output end of the booster pump (25) extends to the inside of the reaction box (13) and is connected with a water outlet pipe (27), a plurality of water sprinkling discs (28) are arranged at the bottom of the water outlet pipe (27), and an air outlet pipe (17) is arranged at the top of the reaction box (13).

2. The denitration device for the dust removal tower of the light-burning kiln according to claim 1, wherein the cleaning assembly comprises a motor (19) arranged at the top of the dust removal box (12), the output end of the motor (19) extends into the dust removal box (12) and is connected with a transmission shaft (20), one end, far away from the motor (19), of the transmission shaft (20) extends to the bottom end of the filter screen (15) and is provided with a mounting plate (21), and two ends of the mounting plate (21) are provided with scrapers (22) matched with the filter screen (15).

3. The denitration device for the dust removal tower of the light-burning kiln according to claim 2, wherein the blowdown assembly is used for discharging dust on the filter screen (15), and comprises a blowdown pipe (18) arranged at the bottom of the filter screen (15), one end of the blowdown pipe (18) far away from the filter screen (15) extends to the position below the dust removal box (12), and the filter screen (15) is in a circular truncated cone shape.

4. The denitration device for the dedusting tower of the light-fired kiln according to the claim 3, characterized in that the bottom end of the transmission shaft (20) extends into the blowdown pipe (18) and is provided with a helical blade (24) at the outer side.

5. The denitration device for the dust removal tower of the light-burning kiln according to claim 4, wherein rubber pads (23) are arranged on two sides of the mounting plate (21), and the outer diameter of each rubber pad (23) is the same as the inner diameter of the sewage discharge pipe (18).

6. The denitration device for the dust removing tower of the light-burned kiln according to claim 1, wherein a feeding pipe (29) for feeding a medicine into the reaction box (13) is arranged at the top of the reaction box (13).

7. The denitration device for the dust removal tower of the light-fired kiln according to claim 1, wherein a second filter screen is detachably arranged on the inner wall of the reaction box (13) at the penetrating position of the circulating pipe (26).