CN216259832U

CN216259832U - Dust removal, desulfurization, denitrification and purification device for flue gas of rotary kiln and shaft kiln

Info

Publication number: CN216259832U
Application number: CN202121231439.7U
Authority: CN
Inventors: 赵志挺
Original assignee: Beipiao Wanhong Molybdenum Industry Co ltd
Current assignee: Beipiao Wanhong Molybdenum Industry Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-04-12
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a dedusting, desulfurizing and denitrifying purification device for flue gas of a rotary kiln and a shaft kiln, which comprises an operation plate and a purification device, wherein the purification device is arranged on the upper surface of the operation plate and specifically comprises an air pipe, a purification bottle, an impurity gas box, a second air inlet pipe, a filter screen, a sulfur nitrate compound outlet pipe and a collection bottle, the left side of the impurity gas box is provided with the second air inlet pipe, the outer surface of the second air inlet pipe is provided with the filter screen, the upper surface of the filter screen is provided with the purification bottle, the outer surface of the purification bottle is provided with the sulfur nitrate compound outlet pipe, the upper end of the purification bottle is provided with the air pipe, the outlet end of the sulfur nitrate compound outlet pipe is provided with the collection bottle, the outlet end of the air pipe is provided with an air outlet pipe, after the dedusting process of the flue gas, the flue gas is purified, the sulfur nitrate compound in the flue gas is separated by the purification bottle, and the purified flue gas is discharged in a green mode, the sulfur and nitrogen compounds are collected, and the method is green and environment-friendly.

Description

Dust removal, desulfurization, denitrification and purification device for flue gas of rotary kiln and shaft kiln

Technical Field

The utility model relates to the field of flue gas purifiers, in particular to a rotary kiln and shaft kiln flue gas dedusting, desulfurization, denitrification and purification device.

Background

Along with the continuous development of modern industry, the treatment of industrial pollution is more and more important. Common industrial pollutants include waste gases, waste waters, and waste residues. For example, when the harmful substances such as SO2 generated in the combustion process of industrial boilers are combusted, the harmful substances can stimulate the respiratory tract of human bodies if the harmful substances are discharged into the atmosphere without strict and effective desulfurization, and can generate toxic and side effects on the whole body after being inhaled into blood and can seriously induce cancers. According to statistics, the total amount of SO2 discharged to the atmosphere in 2011 of China is 1114.1 million tons, wherein 80% of SO2 comes from combustion production.

Patent number CN108421397A discloses a flue gas dust removal, desulfurization, denitration and purification device for rotary kiln and shaft kiln. The utility model particularly discloses a dust removal, desulfurization and denitration integrated flue gas purification device, which comprises a treatment tower, wherein a tower body is provided with an air inlet pipe and an air outlet; and a reaction liquid nozzle is arranged at least at the upstream of the set of cyclones. According to the device, the flowing direction of the gas in the cyclone is at a certain angle with the axis, so that the flowing of the gas has strong three-dimensional characteristics, the mixed flue gas forms a spirally-rising motion track, the length of the flow path is increased, the flue gas and the reaction liquid are fully mixed and reacted, and the desulfurization effect of the flue gas is improved; and when desulfurization or denitration, accomplish the dust removal to the flue gas in same treatment tower, reducible treatment time improves the treatment effeciency.

This rotary kiln and shaft kiln flue gas dust removal SOx/NOx control purifier has following drawback: when improving SOx/NOx control efficiency, do not collect sulfur and nitrogen compounds, cause harm to the nature, in the flue gas treatment process, do not carry out dust removal clearance to the flue gas in advance, can lead to efficiency not high in gas cleaning.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a rotary kiln and shaft kiln flue gas dedusting, desulfurization, denitrification and purification device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a rotary kiln and shaft kiln flue gas dust removal SOx/NOx control purifier, includes the operation panel, still includes purifier, purifier installs at the operation panel upper surface, purifier specifically comprises air hose, purification bottle, impurity gas case, second intake pipe, filter screen, sulphur nitrate compound exit tube, receiving flask, the second intake pipe is installed in impurity gas case left side, second intake pipe surface mounting has the filter screen, surface mounting has the purification bottle on the filter screen, purification bottle surface mounting has sulphur nitrate compound exit tube, the air hose is installed to the purification bottle upper end, the receiving flask has been placed to sulphur nitrate compound exit tube exit end, the outlet duct is installed to the air hose exit end.

The adsorption structure is arranged inside the adsorption box and specifically comprises a rear magnetic plate, a dust absorption column, activated carbon and a front magnetic plate, the rear magnetic plate is arranged on the outer surface of the adsorption box, the dust absorption column is arranged on the inner surface of the adsorption box, the activated carbon is arranged on the outer surface of the dust absorption column, and the front magnetic plate is arranged on the outer surface of the adsorption box; an adsorption device is added for the purification device, and the flue gas purification efficiency is improved in the flue gas treatment process.

Further, the separation net is installed in the adsorption tank left side, the water tank is installed in the separation net left side, the adsorption column is installed to the water tank upper end, the inside dust absorption board that can dismantle of adsorption column is connected with, dust absorption board outside fixedly connected with pull rod, the dust removal pipe is installed to the adsorption column upper end, first intake pipe is installed to the dust removal pipe end. The tail end of the first air inlet pipe is arranged on the kiln; the water tank and the adsorption tank are guaranteed to operate independently by the isolation net, the dust collection plate is the first procedure of flue gas treatment, dust is collected on the flue gas, the pull rod is arranged on the dust collection plate, cleaning can be conducted at any time, and the device is convenient to use.

Furthermore, a purification pipeline is installed on the right side of the adsorption box, a fan is installed on the right side of the purification pipeline, a motor is installed on the right side of the fan, a cushion block is installed at the bottom end of the motor, and the motor is connected with an external power supply; the fan is used for making the flue gas circulation, and in the quick arrival purifier, the motor provides power for the fan.

Further, a support is welded at the bottom end of the operating plate; the operation panel is a foundation of the whole purification device, and the bracket is used for supporting the operation panel and the purification device.

Compared with the prior art, the utility model has the following beneficial effects: after carrying out the dust removal technology to the flue gas, purify the flue gas again, come the sulphur nitro compound in the separation flue gas with the purifying flask, the flue gas after purifying carries out green emission, collect the sulphur nitro compound, green, give device installation multilayer dust collector simultaneously, carry out the dust absorption in the flue gas gets into the water tank, adsorb through magnetic sheet and active carbon, multiple dust collector, make the device have the high efficiency at the dust removal in-process, the device installs the fan additional, make the quick cleaning process of accomplishing of flue gas, improve device purification efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a rotary kiln and shaft kiln flue gas dust removal, desulfurization, denitrification and purification device.

FIG. 2 is a schematic structural diagram of a purification device of a rotary kiln and shaft kiln flue gas dedusting, desulfurization and denitration purification device.

FIG. 3 is a schematic diagram of an adsorption structure of a rotary kiln and shaft kiln flue gas dust removal, desulfurization, denitrification and purification device.

FIG. 4 is a schematic view of a partial enlarged structure of a rotary kiln and shaft kiln flue gas dust removal, desulfurization, denitrification and purification device of the utility model.

In the figure: 1. a kiln; 2. a water tank; 3. a pull rod; 4. an isolation net; 5. an adsorption structure; 6. An adsorption tank; 7. purifying the pipeline; 8. a fan; 9. cushion blocks; 10. a motor; 11. a support; 12. an operation panel; 13. an air outlet pipe; 14. a purification device; 15. an adsorption column; 16. A dust collection plate; 17. a dust removal pipe; 18. a first intake pipe; 501. a rear magnetic plate; 502. a dust absorption column; 503. activated carbon; 504. a front magnetic plate; 1401. an air tube; 1402. purifying the bottle; 1403. an impurity gas box; 1404. a second intake pipe; 1405. filtering with a screen; 1406. a sulfur-nitrogen compound outlet pipe; 1407. and (6) collecting the bottle.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, a rotary kiln and shaft kiln flue gas dust removal desulfurization denitration purifier, includes operation panel 12, still includes purifier 14, purifier 14 installs at operation panel 12 upper surface, purifier 14 specifically comprises air pipe 1401, purification bottle 1402, impurity gas case 1403, second intake pipe 1404, filter screen 1405, sulphur nitro-compound exit tube 1406, collecting bottle 1407, second intake pipe 1404 is installed on impurity gas case 1403 left side, filter screen 1405 is installed to second intake pipe 1404 outer surface, filter screen 1405 upper surface is installed with purification bottle 1402, sulphur nitro-compound exit tube 1406 is installed to purification bottle 1402 outer surface, air pipe 1401 is installed to purification bottle 1402 upper end, collecting bottle 1407 has been placed to sulphur nitro-compound exit tube 1406 exit end, outlet duct 13 is installed to air pipe 1401 exit end.

The dust collector further comprises an adsorption structure 5, wherein the adsorption structure 5 is installed inside an adsorption tank 6, the adsorption structure 5 specifically comprises a rear magnetic plate 501, a dust absorption column 502, activated carbon 503 and a front magnetic plate 504, the rear magnetic plate 501 is installed on the outer surface of the adsorption tank 6, the dust absorption column 502 is installed on the inner surface of the adsorption tank 6, the activated carbon 503 is installed on the outer surface of the dust absorption column 502, and the front magnetic plate 504 is installed on the outer surface of the adsorption tank 6; an adsorption device is added for the purification device, and the flue gas purification efficiency is improved in the flue gas treatment process.

Wherein, separation net 4 is installed in adsorption tank 6 left side, water tank 2 is installed in separation net 4 left side, adsorption column 15 is installed to 2 upper ends of water tank, the inside detachable connection of adsorption column 15 has dust absorption board 16, dust absorption board 16 outside fixedly connected with pull rod 3, dust removal pipe 17 is installed to 15 upper ends of adsorption column, first intake pipe 18 is installed to dust removal pipe 17 end. The tail end of the first air inlet pipe 18 is arranged on the kiln 1; the water tank and the adsorption tank are guaranteed to operate independently by the isolation net, the dust collection plate is the first procedure of flue gas treatment, dust is collected on the flue gas, the pull rod is arranged on the dust collection plate, cleaning can be conducted at any time, and the device is convenient to use.

The right side of the adsorption box 6 is provided with a purification pipeline 7, the right side of the purification pipeline 7 is provided with a fan 8, the right side of the fan 8 is provided with a motor 10, the bottom end of the motor 10 is provided with a cushion block 9, and the motor 10 is connected with an external power supply; the fan is used for making the flue gas circulation, and in the quick arrival purifier, the motor provides power for the fan.

Wherein, a bracket 11 is welded at the bottom end of the operating plate 12; the operation panel is a foundation of the whole purification device, and the bracket is used for supporting the operation panel and the purification device.

It should be noted that, the utility model is a rotary kiln and shaft kiln flue gas dust removal, desulfurization and denitration purification device, when in operation, flue gas generated in kiln 1 enters dust removal pipe 17 through first air inlet pipe 18, flue gas enters adsorption column 15 from dust removal pipe 17 to perform first dust removal on flue gas through adsorption plate 16, flue gas after dust removal enters water tank 2 to perform second dust removal and cleaning, treated flue gas passes through adsorption tank 6, electromagnetic dust removal is performed by using front magnetic plate 504 and rear magnetic plate 501, flue gas is adsorbed by active carbon 503 on inner dust absorption column 502, motor 10 supplies power to blower 8, flue gas after dust removal enters purification pipe 7, enters impurity gas tank 1403 through purification pipe 7, flue gas enters purification bottle 1402 through second air inlet pipe 1404, flue gas is purified by purification bottle 1402, air exits from air outlet pipe 13, sulfur nitrate compound reaches collection bottle 1407 through sulfur nitrate compound outlet pipe 1406, thereby completing the flue gas dedusting, desulfurization, denitrification and purification process.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rotary kiln and shaft kiln flue gas dust removal SOx/NOx control purifier, includes operation panel (12), its characterized in that still includes purifier (14), purifier (14) are installed at operation panel (12) upper surface, purifier (14) specifically comprises air pipe (1401), purification bottle (1402), impurity gas case (1403), second intake pipe (1404), filter screen (1405), sulphur nitro-compound exit tube (1406), receiving flask (1407), impurity gas case (1403) left side is installed second intake pipe (1404), second intake pipe (1404) surface mounting has filter screen (1405), filter screen (1405) surface mounting has purification bottle (1402), purification bottle (1402) surface mounting has sulphur nitro-compound exit tube (1406), air pipe (1401) are installed to purification bottle (1402) upper end, collecting flask (1407) have been placed to sulphur nitro-compound exit tube (1406), an outlet pipe (13) is arranged at the outlet end of the air pipe (1401).

2. The rotary kiln and shaft kiln flue gas dedusting, desulfurization, denitrification and purification device as claimed in claim 1, wherein: still include adsorption structure (5), adsorption structure (5) are installed inside adsorption tank (6), adsorption structure (5) specifically comprise back magnetic sheet (501), dust absorption post (502), active carbon (503), preceding magnetic sheet (504), back magnetic sheet (501) are installed at adsorption tank (6) surface, install at adsorption tank (6) internal surface dust absorption post (502), dust absorption post (502) surface mounting has active carbon (503), preceding magnetic sheet (504) are installed at adsorption tank (6) surface.

3. The rotary kiln and shaft kiln flue gas dedusting, desulfurization, denitrification and purification device as claimed in claim 2, wherein: adsorption box (6) left side is installed separation net (4), water tank (2) are installed in separation net (4) left side, adsorption column (15) are installed to water tank (2) upper end, inside detachable connection has dust absorption board (16) of adsorption column (15), dust absorption board (16) outside fixedly connected with pull rod (3), dust removal pipe (17) are installed to adsorption column (15) upper end, first intake pipe (18) are installed to dust removal pipe (17) end, first intake pipe (18) end is installed on kiln (1).

4. The rotary kiln and shaft kiln flue gas dedusting, desulfurization, denitrification and purification device as claimed in claim 2, wherein: purification pipeline (7) are installed on adsorption box (6) right side, fan (8) are installed on purification pipeline (7) right side, motor (10) are installed on fan (8) right side, cushion (9) are installed to motor (10) bottom, motor (10) are connected with external power supply.

5. The rotary kiln and shaft kiln flue gas dedusting, desulfurization, denitrification and purification device as claimed in claim 1, wherein: the bottom end of the operating plate (12) is welded with a bracket (11).