CN207920689U - Diesel generator exhaust gas processing device - Google Patents
Diesel generator exhaust gas processing device Download PDFInfo
- Publication number
- CN207920689U CN207920689U CN201820136508.8U CN201820136508U CN207920689U CN 207920689 U CN207920689 U CN 207920689U CN 201820136508 U CN201820136508 U CN 201820136508U CN 207920689 U CN207920689 U CN 207920689U
- Authority
- CN
- China
- Prior art keywords
- generator
- bubbled
- urea
- urea liquid
- tail gas
- 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.)
- Expired - Fee Related
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004202 carbamide Substances 0.000 claims abstract description 38
- 239000003054 catalyst Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000013535 sea water Substances 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 230000005587 bubbling Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 3
- 150000002823 nitrates Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 41
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 229910001268 Ferrocerium Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model is related to a kind of diesel generator exhaust gas processing devices, including along the sequentially connected bulky grain filter screen of exhaust pipe and black smoke catalyst filter, generator is bubbled to be placed in sea water bath, it is bubbled in generator and urea liquid is housed, sea water bath is externally provided with temperature controller, it is bubbled generator top and rectification mesh screen and babinet is connected by pipeline, offgas outlet end is stretched into the urea liquid being bubbled in generator, so that tail gas is overflowed into rectification mesh screen from the urea liquid being bubbled in generator and carries out rectification, in babinet top required urea liquid is reacted equipped with SCR, centre is equipped with the rotary atomizer for spraying urea gas from top to bottom, lower box connects tail gas flue by mixture generator, honeycombed catalyst is housed in tail gas flue.The utility model is by urea wet desulphurization method and NH3The diesel-driven generator exhaust gas processing device that SCR methods are combined has the advantages that eliminating efficiency is high, system stablizes safety, operation is easy to operate, operating cost is low etc..
Description
Technical field
It is especially a kind of de- using urea wet method the utility model is related to a kind of exhaust gas processing device of diesel generator
Sulphur method and the diesel-driven generator exhaust gas processing device being combined as the SCR denitration method of reducing agent using urea.
Background technology
For a long time, diesel-driven generator vent gas treatment is all to use water spray or limewash circulated sprinkling technique, the technique
Although having certain effect to generator tail gas improvement, all it is confined to absorb part sulfur dioxide and fraction soot, to hair
The dark brown and its penetrating odor of motor tail gas improve unobvious, while the nitric oxide that diesel generation drive end unit generates cannot get
Processing is improved, atmospheric environment is seriously affected.And when generator is run, it can be consumed largely using water spray Processing tecchnics
Tap water, the water discharged can also cause secondary pollution.
Invention content
The purpose of the utility model is to provide a kind of diesel-driven generator exhaust gas processing device, which can remove bavin
Large particle in oily generator tail gas removes the black flue gas in tail gas, using wet method urea doctor treatment to two in tail gas
Sulfur oxide is removed, and is removed to the nitric oxide in tail gas using urea SCR method, has system structure simple, is taken off
Except efficient feature.
To achieve the above object, the technical solution of the utility model is：A kind of diesel generator exhaust gas processing device, packet
It includes along the sequentially connected bulky grain filter screen of exhaust pipe and black smoke catalyst filter, be bubbled generator, exhaust pipe peripheral hardware
The center rest set, the bubbling generator are placed in sea water bath, are bubbled in generator and urea liquid is housed, sea water bath peripheral hardware
There is temperature controller, is bubbled generator top and is stretched by pipeline connection rectification mesh screen and babinet, the offgas outlet end of exhaust pipe
Enter in the urea liquid being bubbled in generator, so that tail gas is overflowed from the urea liquid being bubbled in generator, into rectification mesh screen
Rectification is carried out, SCR is housed in babinet top and reacts required urea liquid, centre is equipped with for sprinkling urea gas from top to bottom
The rotary atomizer of body, lower box connect tail gas flue by mixture generator, honeycombed catalyst are housed in tail gas flue,
Into mixture generator after the urea gas of rotary atomizer sprinkling and tail gas mixing from bottom to top, and pass through honeycomb catalyst
Agent and tail gas flue are discharged in air.
The urea concentration solubility of urea liquid is 5wt% in the bubbling generator.
Water temperature in the temperature controller control sea water bath is 60 DEG C.
The honeycombed catalyst is dissolved in the distilled water of 2L by the ferric nitrate of 20wt% cerous nitrates and 10wt% and is formed.
The utility model has the beneficial effects that：
Compared with prior art, the utility model first with bulky grain filter screen to particle larger in generator tail gas
It is tentatively filtered, then tail gas enters black smoke catalyst generator along flue, can be organic to the black in tail flue gas
Object ingredient carries out Physical Absorption, can effectively reduce the black smoke and penetrating odor in tail gas；Then, tail gas enters bubbling
Device, constant temperature urea liquid therein react with the sulfur dioxide in tail gas, ammonium sulfate and carbon dioxide are generated, wherein keeping
It is bubbled the constant raising for contributing to sulfur dioxide removal efficiency of generator temperature, therefore, water is added in the periphery for being bubbled generator
Bathing pool, sea water bath are equipped with temperature controller, and the gas come out from bubbling reactor has certain alkalinity, this contributes to subsequently
The raising of SCR reaction efficiencies and the amount of urea needed for saving SCR reactions；Alkaline air-flow enters flow straightening grid and carries out rectification, lattice
The flue gas from bottom to top that grid come out comes into full contact with the spraying of top-down urea, subsequently enters mixture generator, finally leads to
Honeycombed catalyst is crossed, which is ferrocerium mixing bimetallic catalyst, there is higher low-temperature denitration performance, while conduct
The common easy system of iron of auxiliary agent contributes to the operating cost for reducing diesel-driven generator.
Description of the drawings
Fig. 1 is the diesel generator exhaust gas processing device structural schematic diagram of the utility model.
Label in attached drawing be：1- bulky grain filter screens, 2- black smoke catalyst filters, 3- are bubbled generator, 4- temperature controls
Device processed, 5- sea water baths, 6- rectification mesh screens, 7- rotary atomizers, 8- babinets, 9- mixture generators, 10- honeycombed catalysts, 11-
Center rest.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
As shown in Figure 1, a kind of diesel-driven generator exhaust gas processing device, including along the sequentially connected bulky grain of exhaust pipe
Filter screen 1, black smoke catalyst filter 2, exhaust pipe are externally provided with center rest 11, are bubbled generator 3, are bubbled 3 the inside of generator
It is filled with urea liquid, is bubbled outside generator 3 and sea water bath 5 is housed, sea water bath 5 is externally provided with temperature controller 4, and tail gas occurs from bubbling
It is overflowed in urea liquid in device 3, rectification is carried out into rectification mesh screen 6.SCR reacts required urea liquid and is mounted in babinet 8
In, 7 top-down sprinkling urea gas of rotary atomizer, urea gas and tail gas from bottom to top enter mixed after being sufficiently mixed
Generator 9, then honeycombed catalyst 10 are closed, is discharged in air finally by tail gas flue.
Urea concentration should be 5wt% in the bubbling generator 3 of the exhaust gas processing device of diesel-driven generator above-mentioned.
It is 60 DEG C that the temperature controller 4 of the exhaust gas processing device of diesel-driven generator above-mentioned, which controls the water temperature in sea water bath,.
The honeycombed catalyst 10 of the exhaust gas processing device of diesel-driven generator above-mentioned is made by infusion process, specifically first will
The ferric nitrate of 20wt% cerous nitrates and 10wt% are dissolved in the distilled water of 2L and form mixed solution, then put honeycombed catalyst
Enter in solution and impregnate 48 hours, is dried 24 hours at a temperature of 120 degrees Celsius, be finally putting into Muffle furnace at 500 degrees Celsius
5 hours of roasting temperature.
The operation principle of the utility model is as follows.First with bulky grain filter screen 1 to larger in generator tail gas
Grain is tentatively filtered, and then tail gas enters black smoke catalyst generator 2 along flue, can have to the black in tail flue gas
Machine object ingredient carries out Physical Absorption, can effectively reduce the black smoke and penetrating odor in tail gas；Then, tail gas enters bubbling hair
Raw device 3, constant temperature urea liquid therein react with the sulfur dioxide in tail gas, generate ammonium sulfate and carbon dioxide, wherein
It keeps being bubbled the constant raising for contributing to sulfur dioxide removal efficiency of generator temperature, therefore, add in the periphery for being bubbled generator
If sea water bath 5, sea water bath is equipped with temperature controller 4, and the gas come out from bubbling reactor has certain alkalinity, this is helped
In the amount of urea needed for the raising and saving SCR reactions of follow-up SCR reaction efficiencies；Alkaline air-flow enters the progress of flow straightening grid 6
Rectification, the flue gas from bottom to top that grid comes out and the top-down urea being atomized by rotary atomizer 7 from babinet 8
Spraying comes into full contact with, and subsequently enters mixture generator 9, and finally by honeycombed catalyst 10, which is that ferrocerium mixing is double
Metallic catalyst has higher low-temperature denitration performance, while the common easy system of iron as auxiliary agent, helps to reduce diesel generation
The operating cost of machine.
Claims (4)
1. a kind of diesel generator exhaust gas processing device, including along the sequentially connected bulky grain filter screen of exhaust pipe（1）
With black smoke catalyst filter（2）, be bubbled generator（3）, the center rest that is arranged outside exhaust pipe（11）, it is characterised in that：Institute
The bubbling generator stated（3）It is placed in sea water bath（5）It is interior, it is bubbled generator（3）It is interior that urea liquid, sea water bath are housed（5）It is externally provided with
Temperature controller（4）, it is bubbled generator（3）Top connects rectification mesh screen by pipeline（6）And babinet（8）, the tail of exhaust pipe
Bubbling generator is stretched into gas outlet end（3）In urea liquid in, make tail gas from be bubbled generator（3）In urea liquid in overflow
Go out, into rectification mesh screen（6）Carry out rectification, babinet（8）Required urea liquid is reacted equipped with SCR in top, centre is equipped with
Rotary atomizer for spraying urea gas from top to bottom（7）, babinet（8）Lower part passes through mixture generator（9）Connect tail gas
Flue is equipped with honeycombed catalyst in tail gas flue（10）, rotary atomizer（7）The urea gas of sprinkling and tail from bottom to top
Enter mixture generator after gas mixing（9）, and pass through honeycombed catalyst（10）It is discharged in air with tail gas flue.
2. diesel generator exhaust gas processing device according to claim 1, it is characterised in that：The bubbling generator
（3）The urea concentration solubility of middle urea liquid is 5wt%.
3. diesel generator exhaust gas processing device according to claim 1, it is characterised in that：The temperature controller
（4）Control sea water bath（5）In water temperature be 60 DEG C.
4. diesel generator exhaust gas processing device according to claim 1, it is characterised in that：The honeycombed catalyst
It is dissolved in the distilled water of 2L and is formed by the ferric nitrate of 20wt% cerous nitrates and 10wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136508.8U CN207920689U (en) | 2018-01-26 | 2018-01-26 | Diesel generator exhaust gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136508.8U CN207920689U (en) | 2018-01-26 | 2018-01-26 | Diesel generator exhaust gas processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207920689U true CN207920689U (en) | 2018-09-28 |
Family
ID=63605611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820136508.8U Expired - Fee Related CN207920689U (en) | 2018-01-26 | 2018-01-26 | Diesel generator exhaust gas processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207920689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104907A (en) * | 2018-01-26 | 2018-06-01 | 上海电力学院 | Diesel generator exhaust gas processing device |
-
2018
- 2018-01-26 CN CN201820136508.8U patent/CN207920689U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104907A (en) * | 2018-01-26 | 2018-06-01 | 上海电力学院 | Diesel generator exhaust gas processing 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: 20180928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |