CN206935086U - A kind of efficient oxidizing and denitrating ozone device - Google Patents
A kind of efficient oxidizing and denitrating ozone device Download PDFInfo
- Publication number
- CN206935086U CN206935086U CN201720869861.2U CN201720869861U CN206935086U CN 206935086 U CN206935086 U CN 206935086U CN 201720869861 U CN201720869861 U CN 201720869861U CN 206935086 U CN206935086 U CN 206935086U
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- CN
- China
- Prior art keywords
- ozone
- jet pipe
- flue
- generator
- denitrating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 230000001590 oxidative effect Effects 0.000 title claims abstract description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000003546 flue gas Substances 0.000 claims abstract description 34
- 238000005201 scrubbing Methods 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004509 smoke generator Substances 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010008428 Chemical poisoning Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of efficient oxidizing and denitrating ozone device, including smoke generator, the side of smoke generator to be connected with flue, nitrogen pipeline, low-pressure steam pipeline and ozone generator, and the opposite side of smoke generator is connected with washing pipeline；The port of washing pipeline is connected with scrubbing tower, and ozone jet pipe is provided with flue；G400 nozzles are installed in smoke generator；Installation Mono nozzles in scrubbing tower, this efficient oxidizing and denitrating ozone device, including smoke generator, injected the ozone into by ozone jet pipe in flue gas, high-valence state NOx soluble in water is generated with the NOx reactions in flue gas, when 150 DEG C of flue-gas temperature ＞ is then in a device using 400G nozzles come to flue gas cool-down to saturation temperature, a relative dripless region is being provided for reaction zone, the setting value of ozone flow and operation concentration is calculated according to chimney outlet NOx measured value and is remotely sent to ozone generator control panel PLC, ozone amount is controlled with this.
Description
Technical field
Flue gas denitrification system technical field is the utility model is related to, especially a kind of efficient oxidizing and denitrating ozone device.
Background technology
The method of denitrating flue gas, there are SNCR, SCR and ozone denitration method, SNCR technology investment costs are low, but denitration efficiency is low
30%~70%, it is difficult to meet environmental requirement；The most frequently used SCR denitration technique in the industry, the reaction temperature of the technological requirement compared with
High (300~420 DEG C), floor space is big and cost of investment is high, but denitration efficiency is high, operating cost is low, is adapted to processing NOx amount big
Engineering.In addition, when processing is from Industrial Stoves and coal-fired or fuel oil heating non-clean flue gas, SCR catalyst have by
Other impurity cause chemical poisoning or the danger blocked by the dust in flue gas or particulate matter in flue gas.And ozone denitration method, throw
Money cost is low, and technique is simple, and ozone oxidation reaction product is harmless O2, itself can also be decomposed into O2, reaction temperature ＜ 150
DEG C, and it is both economical using ozone denitration to handle the less engineering of NOx amount.
At present, a lot of equipment for denitrifying flue gas use ozone denitrating technique both at home and abroad, but in technological design, ozonation system
It is uneven in control and denitration efficiency.Therefore, rational technological design, simply and reliablely operational control and high denitration
Efficiency is significant.
Utility model content
The purpose of this utility model is to provide a kind of flue gas denitrification system technical field that there is effective ozone oxidation to take off
Nitre method, can the denitration under the different temperatures operating mode from high temperature to low temperature, technological operation is simple, stably, it is reliable the advantages of, with solution
The problem of being proposed in certainly above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of efficient oxidizing and denitrating ozone device,
Including smoke generator, the side of the smoke generator is connected with flue, nitrogen pipeline, low-pressure steam pipeline and ozone
Generator, the opposite side of smoke generator are connected with washing pipeline；The port of the washing pipeline is connected with scrubbing tower, scrubbing tower
It is electrically connected with ozone and adds throwing device；Ozone jet pipe is installed in the flue；It is provided with the smoke generator
G400 nozzles；Installation Mono nozzles in the scrubbing tower；The ozone jet pipe is connected with ozone branch pipe, ozone through flue
Branch pipe, which is uniformly distributed, is connected with ozone house steward, ozone house steward and ozone generator；It is smelly that the ozone adds throwing device to be electrically connected with
Oxygen Generator.
As further program of the utility model：The ozone jet pipe is made up of flange and jet pipe, is uniformly opened on jet pipe
If spray-hole.
As further program of the utility model：The ozone adds to throw is provided with ozone generator control panel on device.
As further program of the utility model：The ozone jet pipe is using structure made of C276 models or 316L models
Part.
Compared with prior art, the utility model beneficial effect：
This efficient oxidizing and denitrating ozone device, including smoke generator, flue gas is injected the ozone into by ozone jet pipe
In, high-valence state NOx soluble in water is generated with the NOx reactions in flue gas, high-valence state NOx contacts with nozzle alkali lye in scrubbing tower
Nitrate is generated, when 150 DEG C of flue-gas temperature ＞ is then in a device using C276 or 316LG nozzles come to flue gas cool-down to saturation temperature
Degree, ozone are injected in flue gas by ozone jet pipe, react in the void tower region of the dripless of scrubbing tower, provided for reaction zone
One relative dripless region, the water in Mono nozzles is also from bottom of towe circulation fluid, and nitrogen is except in low exhaust gas volumn operating mode
Ensure into outside the flow velocity of ozone jet pipe, be additionally operable to shut down post-purge ozone house steward, ozone branch pipe and ozone in ozone generator
Jet pipe, low-pressure steam pipeline is intermittent to spray into low-pressure steam, sulphite crystalline solid is cleaned, to avoid ozone jet pipe critical point from blocking up
The setting value of plug, ozone flow and operation concentration is calculated according to chimney outlet NOx measured value and is remotely sent to smelly
Oxygen Generator control panel PLC, ozone amount is controlled with this.
Brief description of the drawings
Fig. 1 is ozone denitration of the present utility model and the integrated structural representation of scrubbing tower；
Fig. 2 is the denitrating flue gas structural representation of flue-gas temperature≤150 DEG C of the present utility model；
Fig. 3 is 150 DEG C of flue-gas temperature ＞ of the present utility model denitrating flue gas structural representation；
Fig. 4 is that ozone of the present utility model sprays schematic diagram.
In figure：1- smoke generators；11- washs pipeline；12-G400 nozzles；2- flues；21- ozone jet pipes；22-
Ozone branch pipe；23- ozone house stewards；3- nitrogen pipelines；4- low-pressure steam pipelines；5- ozone generators；6- scrubbing towers；61-Mono
Nozzle；7- ozone adds throwing device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-4, in the utility model embodiment, a kind of efficient oxidizing and denitrating ozone device, including flue gas hair
Raw device 1, the side of smoke generator 1 are connected with flue 2, nitrogen pipeline 3, low-pressure steam pipeline 4 and ozone generator 5,
The opposite side of smoke generator 1 is connected with washing pipeline 11；The port of washing pipeline 11 is connected with scrubbing tower 6, and scrubbing tower 6 is electrical
It is connected with ozone and adds throwing device 7；Ozone adds to throw is provided with ozone generator control panel on device 7, is provided with flue 2 smelly
Oxygen jet pipe 21；Ozone jet pipe 21 is using component ozone jet pipe 21 made of C276 models or 316L models by flange and jet pipe group
Into uniformly opening up spray-hole on jet pipe, G400 nozzles 12 be provided with smoke generator 1；Installation Mono nozzles in scrubbing tower 6
61；Ozone jet pipe 21 is connected with ozone branch pipe 22 through flue 2, and ozone branch pipe 22, which is uniformly distributed, is connected with ozone house steward
23, ozone house steward 23 and ozone generator 5；Ozone adds throwing device 7 to be electrically connected with ozone generator 5.Ozone generator 5 is produced
Ozone is evenly distributed to ozone jet pipe 21 by raw ozone by pipeline, is injected the ozone into by ozone jet pipe 21 in flue gas,
High-valence state NOx soluble in water is generated with the NOx reactions in flue gas, high-valence state NOx contacts life with nozzle alkali lye in scrubbing tower 6
Into nitrate, the spray liquid of Mono nozzles 61 is provided by bottom of towe circulating pump, and clean flue gas enters chimney by scrubbing tower 6
Discharge, when 150 DEG C of flue-gas temperature ＞ is then in a device using G400 nozzles 12 come to flue gas cool-down to saturation temperature, G400 nozzles
Water in 12 becomes one ozone denitration and scrubbing tower 6, ozone passes through the note of ozone jet pipe 21 also from bottom of towe circulation fluid
Enter in flue gas, reacted in the void tower region of the dripless of scrubbing tower 6, the water sprayed in tower by Mono nozzles 61 will be from upper
Square ejecting liquid guides the wall of spray column into, provides a relative dripless region for reaction zone, the water in Mono nozzles 61 is same
Sample comes from bottom of towe circulation fluid, ozone jet pipe 21 by flange, jet pipe body and injection port group into the quantity of, ozone jet pipe 21 be based on into
Enter the ozone amount of flue to determine, but at least need two, have nitrogen pipeline 3 and low-pressure steam pipeline on ozone spraying system pipeline
4, nitrogen is additionally operable to shut down in ozone generator 5 in addition to entering the flow velocity of ozone jet pipe 21 in the guarantee of low exhaust gas volumn operating mode
Post-purge ozone house steward 23, ozone branch pipe 22 and ozone jet pipe 21, low-pressure steam pipeline 4 is intermittent to spray into low-pressure steam, cleaning
Sulphite crystalline solid, to avoid the critical point of ozone jet pipe 21 from blocking, the setting value of ozone flow and operation concentration goes out according to chimney
At mouthful NOx measured value is calculated and is remotely sent to ozone generator control panel PLC, and ozone amount is controlled with this.
In summary；This efficient oxidizing and denitrating ozone device, including smoke generator 1, will be smelly by ozone jet pipe 21
Oxygen is injected into flue gas, and high-valence state NOx, the high-valence state NOx in scrubbing tower 6 soluble in water are generated with the NOx reactions in flue gas
Generation nitrate is contacted with nozzle alkali lye, 150 DEG C are then dropped using G400 nozzles 12 to flue gas in a device as flue-gas temperature ＞
Temperature to saturation temperature, ozone is injected in flue gas by ozone jet pipe 21, reacted in the void tower region of the dripless of scrubbing tower 6,
There is provided a relative dripless region for reaction zone, the water in Mono nozzles 61 also from bottom of towe circulation fluid, nitrogen except
Enter in the guarantee of low exhaust gas volumn operating mode outside the flow velocity of ozone jet pipe 21, be additionally operable to shut down post-purge ozone in ozone generator 5
House steward 23, ozone branch pipe 22 and ozone jet pipe 21, low-pressure steam pipeline 4 is intermittent to spray into low-pressure steam, cleans sulphite knot
Crystal, to avoid the critical point of ozone jet pipe 21 from blocking, the setting value of ozone flow and operation concentration is according to chimney outlet NOx survey
Magnitude calculation obtained and is remotely sent to ozone generator control panel PLC, and ozone amount is controlled with this.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of efficient oxidizing and denitrating ozone device, including smoke generator (1), it is characterised in that：The smoke generator
(1) side is connected with flue (2), nitrogen pipeline (3), low-pressure steam pipeline (4) and ozone generator (5), flue gas hair
The opposite side of raw device (1) is connected with washing pipeline (11)；The port of the washing pipeline (11) is connected with scrubbing tower (6), washs
Tower (6) is electrically connected with ozone and adds throwing device (7)；Ozone jet pipe (21) is installed in the flue (2)；The flue gas hair
G400 nozzles (12) are installed in raw device (1)；Installation Mono nozzles (61) in the scrubbing tower (6)；The ozone jet pipe (21)
Ozone branch pipe (22) is connected with through flue (2), ozone branch pipe (22), which is uniformly distributed, is connected with ozone house steward (23), ozone
House steward (23) and ozone generator (5)；The ozone adds throwing device (7) to be electrically connected with ozone generator (5).
A kind of 2. efficient oxidizing and denitrating ozone device according to claim 1, it is characterised in that：The ozone jet pipe
(21) it is made up of flange and jet pipe, spray-hole is uniformly opened up on jet pipe.
A kind of 3. efficient oxidizing and denitrating ozone device according to claim 1, it is characterised in that：The ozone adds throwing to fill
Put and ozone generator control panel is installed on (7).
A kind of 4. efficient oxidizing and denitrating ozone device according to claim 1, it is characterised in that：The ozone jet pipe
(21) using component made of C276 models or 316L models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869861.2U CN206935086U (en) | 2017-07-18 | 2017-07-18 | A kind of efficient oxidizing and denitrating ozone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869861.2U CN206935086U (en) | 2017-07-18 | 2017-07-18 | A kind of efficient oxidizing and denitrating ozone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206935086U true CN206935086U (en) | 2018-01-30 |
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ID=61369004
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720869861.2U Expired - Fee Related CN206935086U (en) | 2017-07-18 | 2017-07-18 | A kind of efficient oxidizing and denitrating ozone device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206935086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224807A (en) * | 2018-10-24 | 2019-01-18 | 北京美斯顿科技开发有限公司 | A kind of efficient denitrifying device and denitration device |
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2017
- 2017-07-18 CN CN201720869861.2U patent/CN206935086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224807A (en) * | 2018-10-24 | 2019-01-18 | 北京美斯顿科技开发有限公司 | A kind of efficient denitrifying device and denitration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20180718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |