CN210278751U - Ultra-low temperature nitrogen oxide removal device - Google Patents
Ultra-low temperature nitrogen oxide removal device Download PDFInfo
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- CN210278751U CN210278751U CN201920779312.5U CN201920779312U CN210278751U CN 210278751 U CN210278751 U CN 210278751U CN 201920779312 U CN201920779312 U CN 201920779312U CN 210278751 U CN210278751 U CN 210278751U
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Abstract
The utility model discloses an ultra-low temperature desorption nitrogen oxide device, it includes oxidation reaction portion and absorption tower, and absorption tower bottom storage has the denitration absorbent, oxidation reaction portion establish in absorption tower side bottom, absorption tower upper portion be equipped with the closing plate, closing plate upper portion is equipped with the blast pipe, the closing plate bottom is equipped with the toper defroster, is equipped with the circulation cleaning part in the defroster, the circulation cleaning part is established on the denitration absorption plate, denitration absorption plate both sides rigid coupling has seted up a plurality of wave shape holes on the absorption tower lateral wall, denitration absorption plate. The utility model discloses a in: be equipped with circulation cleaning unit in the defroster, circulation cleaning unit replaces the manual work to carry out the granule to the defroster and washs, saves the labour, improves work efficiency.
Description
Technical Field
The utility model relates to a denitration device technical field, concretely relates to ultra-low temperature desorption nitrogen oxide device.
Background
In the coke oven industry, the flue gas from the coke oven contains high concentration (about 700mg/Nm3) of nitrogen oxides and high concentration of smoke dust, and if the flue gas is directly discharged into the atmosphere without being purified, the flue gas can seriously affect the surrounding environment and the life health of people. With the implementation of the "comprehensive emission standard of atmospheric pollutants", the requirement for the emission of nitrogen oxides in the flue gas of coke ovens is higher and higher.
The ozone denitration technology is one of low-temperature oxidation denitration methods, wherein the denitration by the ozone oxidation method mainly comprises the steps of oxidizing denitration by using the strong oxidizing property of ozone, oxidizing insoluble low-valence nitrogen oxides into soluble high-valence nitrogen oxides, absorbing the nitrogen oxides in a washing tower or a desulfurization tower to achieve the purpose of removal, and finally discharging gas through a demister.
But present desorption nitrogen oxide device structure is unreasonable, and the defroster in the device uses a period can produce a large amount of particulate matter and attaches to the defroster, mainly relies on artifical the dismantlement to wash at present, causes intensity of labour big, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the above problem, the main objective of the present invention is to design an ultra-low temperature nitrogen oxide removal device.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides an ultra-low temperature desorption nitrogen oxide device, it includes oxidation reaction portion and absorption tower, and absorption tower bottom storage has the denitration absorbent, oxidation reaction portion establish in absorption tower side bottom, absorption tower upper portion be equipped with the closing plate, closing plate upper portion is equipped with the blast pipe, the closing plate bottom is equipped with the toper defroster, is equipped with circulation cleaning portion in the defroster, circulation cleaning portion establishes on the denitration absorption plate, denitration absorption plate both sides rigid coupling has seted up a plurality of wave shape holes at the absorption tower lateral wall on the denitration absorption plate.
The circulating cleaning part comprises a motor arranged on the sealing plate, an output shaft of the motor penetrates out of the sealing plate and the demister downwards, the end part of the motor is fixedly connected with a rotary drum, the bottom of the rotary drum is connected with a sealing bearing, the sealing bearing is fixedly connected on the denitration absorption plate, and the periphery of the rotary drum is connected with a plurality of nozzles which are uniformly distributed; the bottom of the sealing bearing is connected with a first water pipe, one end of the first water pipe is arranged inside the rotary drum, the other end of the first water pipe penetrates out of the absorption tower and is fixedly connected with a water pump, a second water pipe is arranged at the water inlet of the water pump, and the second water pipe is connected with the bottom of the absorption tower.
The oxidation reaction part comprises an oxidation box, an ozone inlet formed at the upper part of the oxidation box and a flue gas inlet formed at the lower part of the oxidation box; the oxidation box is characterized in that a funnel is arranged on one side, close to the absorption tower, of the oxidation box, the funnel is connected with the absorption tower, a baffle is arranged at the joint of the funnel and the oxidation box, the funnel and the baffle are of an integrally formed structure, and a plurality of strip-shaped holes are transversely distributed in the baffle.
And one end of the exhaust pipe, which is far away from the sealing plate, penetrates out of the absorption tower and is arranged outside the absorption tower.
The inner wall of the rotary drum is provided with a plurality of uniformly distributed connecting holes, and the connecting holes are correspondingly connected with the nozzles on the outer wall of the rotary drum.
The beneficial effects of the utility model reside in that: be equipped with circulation cleaning unit in the defroster, circulation cleaning unit replaces the manual work to carry out the granule to the defroster and washs, saves the labour, improves work efficiency.
Drawings
Fig. 1 is a view of the main structure of the present invention.
Fig. 2 is a view of a baffle structure.
Fig. 3 is a view showing the internal structure of the drum.
Fig. 4 is a structural view of a denitration absorption plate.
Detailed Description
The present invention is described in detail below with reference to the attached drawings:
referring to fig. 1 to 4, an ultra-low temperature nitrogen oxide removal device, it includes oxidation reaction portion and absorption tower 1, and the bottom storage of absorption tower has denitration absorbent 2, oxidation reaction portion establish in absorption tower side bottom, 1 upper portion of absorption tower be equipped with closing plate 3, closing plate 3 upper portion is equipped with blast pipe 4, and closing plate 3 bottom is equipped with toper defroster 5, is equipped with the circulation cleaning portion in the defroster 5, and the circulation cleaning portion is established on denitration absorption plate 6, and 6 both sides rigid couplings of denitration absorption plate are at 1 lateral wall of absorption tower, have seted up a plurality of wave shape holes 7 on denitration absorption plate 6.
The circulating cleaning part comprises a motor 8 arranged on the sealing plate 3, an output shaft of the motor penetrates out of the sealing plate 3 and the demister 5 downwards, the end part of the motor is fixedly connected with a rotating drum 9, the bottom of the rotating drum 9 is connected with a sealing bearing 10, the sealing bearing 10 is fixedly connected on the denitration absorption plate 6, and the periphery of the rotating drum 9 is connected with a plurality of nozzles 11 which are uniformly distributed; the bottom of the sealing bearing 10 is connected with a first water pipe 12, one end of the first water pipe 12 is arranged inside the rotary drum 9, the other end of the first water pipe 12 penetrates out of the absorption tower 1 and is fixedly connected with a water pump 13, a second water pipe 14 is arranged at the water inlet of the water pump, and the second water pipe 14 is connected with the bottom of the absorption tower 1.
The oxidation reaction part comprises an oxidation box 15, an ozone inlet 16 formed at the upper part of the oxidation box and a flue gas inlet 17 formed at the lower part of the oxidation box; the oxidation box 15 is provided with a funnel 18 on one side close to the absorption tower 1, the funnel 18 is connected with the absorption tower 1, a baffle plate 19 is arranged at the joint of the funnel 18 and the oxidation box 1, the oxidation box 15, the funnel 18 and the baffle plate 19 are of an integrally formed structure, and a plurality of strip-shaped holes 20 are transversely distributed on the baffle plate 19.
And one end of the exhaust pipe 4 far away from the sealing plate penetrates out of the absorption tower 1 and is arranged outside the absorption tower.
The inner wall of the rotary drum 9 is provided with a plurality of uniformly distributed connecting holes 21, and the connecting holes 21 are correspondingly connected with the nozzles 11 on the outer wall of the rotary drum.
The utility model discloses a theory of operation: ozone and flue gas carry out abundant oxidation reaction in oxidation tank 15 through ozone entry 16 and flue gas entry 17 respectively, and the flue gas after the oxidation passes through in bar hole 20 gets into absorption tower 1, and when the flue gas passes through wave form hole 7 on the denitration absorption plate 6, with 2 contacts of denitration absorbent on the wave form hole 7 by wet phase absorption, absorb the flue gas of purification through 4 discharges of blast pipe after 5 defogging of defroster.
In the flue gas treatment process: in water pump 13 takes out the denitration absorbent 2 of absorption tower 1 bottom to rotary drum 9, drive rotary drum 9 under the effect of motor 8 and rotate the centrifugal action that produces denitration absorbent 2, denitration absorbent 2 washs defroster 5 through nozzle 11 under the effect of centrifugal force and prevents that the defroster from blockking up. And denitration absorbent 2 sprays out through nozzle 11 and carries out secondary purification to smog, and denitration absorbent 2 gets back to the bottom of absorption tower 1 through wave-shaped hole 7, is recycled under the effect of water pump 13.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides an ultra-low temperature desorption nitrogen oxide device, it includes oxidation reaction portion and absorption tower, and the absorption tower bottom storage has denitration absorbent, its characterized in that: the oxidation reaction portion establish in absorption tower side bottom, absorption tower upper portion be equipped with the closing plate, closing plate upper portion is equipped with the blast pipe, the closing plate bottom is equipped with the toper defroster, is equipped with the circulation cleaning portion in the defroster, the circulation cleaning portion is established on the denitration absorption plate, denitration absorption plate both sides rigid coupling is at the absorption tower lateral wall, a plurality of wave shape holes have been seted up on the denitration absorption plate.
2. The ultra-low temperature nitrogen oxide removal device according to claim 1, characterized in that: the circulating cleaning part comprises a motor arranged on the sealing plate, an output shaft of the motor penetrates out of the sealing plate and the demister downwards, the end part of the motor is fixedly connected with a rotary drum, the bottom of the rotary drum is connected with a sealing bearing, the sealing bearing is fixedly connected on the denitration absorption plate, and the periphery of the rotary drum is connected with a plurality of nozzles which are uniformly distributed; the bottom of the sealing bearing is connected with a first water pipe, one end of the first water pipe is arranged inside the rotary drum, the other end of the first water pipe penetrates out of the absorption tower and is fixedly connected with a water pump, a second water pipe is arranged at the water inlet of the water pump, and the second water pipe is connected with the bottom of the absorption tower.
3. The ultra-low temperature nitrogen oxide removal device according to claim 1, characterized in that: the oxidation reaction part comprises an oxidation box, an ozone inlet formed at the upper part of the oxidation box and a flue gas inlet formed at the lower part of the oxidation box; the oxidation box is characterized in that a funnel is arranged on one side, close to the absorption tower, of the oxidation box, the funnel is connected with the absorption tower, a baffle is arranged at the joint of the funnel and the oxidation box, the funnel and the baffle are of an integrally formed structure, and a plurality of strip-shaped holes are transversely distributed in the baffle.
4. The ultra-low temperature nitrogen oxide removal device according to claim 1, characterized in that: and one end of the exhaust pipe, which is far away from the sealing plate, penetrates out of the absorption tower and is arranged outside the absorption tower.
5. The ultra-low temperature nitrogen oxide removal device according to claim 2, characterized in that: the inner wall of the rotary drum is provided with a plurality of uniformly distributed connecting holes, and the connecting holes are correspondingly connected with the nozzles on the outer wall of the rotary drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920779312.5U CN210278751U (en) | 2019-05-28 | 2019-05-28 | Ultra-low temperature nitrogen oxide removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920779312.5U CN210278751U (en) | 2019-05-28 | 2019-05-28 | Ultra-low temperature nitrogen oxide removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210278751U true CN210278751U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920779312.5U Expired - Fee Related CN210278751U (en) | 2019-05-28 | 2019-05-28 | Ultra-low temperature nitrogen oxide removal device |
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| CN (1) | CN210278751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450684A (en) * | 2020-04-13 | 2020-07-28 | 内蒙古高原蓝节能环保科技有限公司 | Flue gas denitration device |
-
2019
- 2019-05-28 CN CN201920779312.5U patent/CN210278751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450684A (en) * | 2020-04-13 | 2020-07-28 | 内蒙古高原蓝节能环保科技有限公司 | Flue gas denitration device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |