CN206054060U - A kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel generates system - Google Patents
A kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel generates system Download PDFInfo
- Publication number
- CN206054060U CN206054060U CN201620299377.6U CN201620299377U CN206054060U CN 206054060 U CN206054060 U CN 206054060U CN 201620299377 U CN201620299377 U CN 201620299377U CN 206054060 U CN206054060 U CN 206054060U
- Authority
- CN
- China
- Prior art keywords
- peculiar
- gaseous ammonia
- exhaust gas
- temperature
- vessel
- 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
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)
Abstract
This utility model provides a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel and generates system, the exhaust gas cleaner peculiar to vessel includes particulate matter removal device and catalytic reduction device, the gaseous ammonia generates system includes air-flowing type spraying system and spraying adjusting means, the nozzle of air-flowing type spraying system described in urea liquid Jing is sprayed the high-temperature tail gas sprayed with marine diesel and is sufficiently mixed the gaseous ammonia for producing biuret and using for the catalytic reduction device, and the emitted dose of urea liquid is by spraying adjusting means control.Gaseous ammonia is generated system and will be sufficiently mixed with high-temperature tail gas in urea liquid direct Jing pipelineds to exhaust gas cleaner peculiar to vessel, so as to produce gaseous ammonia and biuret, instead of in selective catalytic reduction by ammonia vaporizer, ammonia surge tank, the gaseous ammonia generating means of the huge equipment composition such as gas flow valve, this is for most of for mobile pollution source diesel engine, the gaseous ammonia generates system and can generate gaseous ammonia in real time by the demand of marine diesel tail gas clean-up, and use urea liquid, good stability, the job security of whole system is higher.
Description
Technical field
This utility model is related to environmental technology field, and in particular to tail gas clean-up technical field, more particularly to a kind of ship
System is generated with gaseous ammonia used in exhaust gas cleaner.
Background technology
Marine diesel oil contains the oily substance of a large amount of high-flashes, causes which to burn in cylinder of diesel engine and is far from light oil
Thoroughly, this contains a large amount of poisonous and harmful substances in resulting in tail gas, comprising sulfur dioxide, nitrogen oxides, trickle carbonized particles
Thing, or even also have the material of still unburned microlayer model oils and class Colophonium.These materials are entered in the SCR device of rear class,
The blocking of the ceramic catalyst in SCR device can be caused, its service life is substantially reduced, the ceramic catalyst for making price high loses
Effect is scrapped.
In prior art, in order to ensure SCR exhaust purifier normal works, in the tail gas catalyzed reduction apparatus of SCR and diesel oil
The pretreating device of exhaust purifier is added between machine row's mouth, diesel engine vent gas, can be by the big portion in tail gas after the device
Divide trickle carbonized particles thing, still unburned microlayer model oily substance, carbamide resolve into biuret (CONH) particulate matter, gaseous state
After ammonia with tail gas in sulfur dioxide occur chemical reaction formed ammonium sulfite and ammonium sulfate granule or drop and class Colophonium
Material etc. retained by this pretreating device, so as to by the main gaseous contaminant (NO of diesel emissionX、SO2) and solid-state
Grain pollutant, realize that the overwhelming majority is removed.But this technology can increase the volume of exhaust purifier first and improve cost, this
With present day devices miniaturization, lightweight, the requirement of low cost, undoubtedly run in the opposite direction.
It is seen that, gaseous ammonia is the required material of catalytic reduction method cleaning of off-gas, then in the diesel oil for working long hours
In machine, such as marine diesel is also accomplished by substantial amounts of gaseous ammonia and is reacted, that is, say that the ship of long voyage needs to take
With substantial amounts of liquid ammonia, but stablizing for ammonia is poor, once reveal it is light if pollute air, make one poisoning, it is heavy then set off an explosion,
Poor stability.
So it is accomplished by a kind of shipborne system that can produce gaseous ammonia in real time to overcome drawbacks described above.
The content of the invention
A purpose of the present utility model is to provide for a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel and generates system,
Which can generate gaseous ammonia in real time by the demand of marine diesel tail gas clean-up, and use urea for vehicle solution, stable
Property is good, and the job security of whole system is higher.
Especially, this utility model provides a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel and generates system, described
Exhaust gas cleaner peculiar to vessel includes particulate matter removal device and catalytic reduction device, and the gaseous ammonia generates system includes air-flowing type
Spraying system and spraying adjusting means, the nozzle of air-flowing type spraying system described in urea liquid Jing are sprayed and are sprayed with marine diesel
The high-temperature tail gas for going out are sufficiently mixed the gaseous ammonia for producing biuret and using for the catalytic reduction device, the urea liquid
Emitted dose is by the spraying adjusting means control.
For above-mentioned technical proposal, inventor also has further optimal enforcement scheme.
Preferably, the exhaust gas cleaner peculiar to vessel has air inlet and gas outlet, and the gaseous ammonia generates system to be included
First NOXSensor, is arranged at a NO of the air inletXSensor is communicated connection with the spraying adjusting means, institute
Spraying adjusting means is stated according to a NOXThe nitrogen oxides of the entrance exhaust gas cleaner peculiar to vessel that sensor is detected
Content adjusts the emitted dose of the urea liquid.
Further, the gaseous ammonia generates system includes the second NOX sensor, is arranged at the gas outlet, described the
Two NOXSensor communicate connection with the spraying adjusting means, and the adjusting means of spraying is according to the 2nd NOXSensor is examined
The amount of nitrogen oxides of the discharge exhaust gas cleaner peculiar to vessel for measuring adjusts the emitted dose of the urea liquid.
Preferably, the gaseous ammonia generates system also includes temperature sensor, and the temperature sensor is arranged on the ship
With in exhaust gas cleaner, for detecting the temperature of high-temperature tail gas described in the exhaust gas cleaner peculiar to vessel, the temperature is passed
Sensor communicate connection with the spraying adjusting means, and the adjusting means of spraying is opened according to the temperature for detecting the high-temperature tail gas
Stop the work of the air-flowing type spraying system.
Further, minimum temperature threshold and maximum temperature threshold value are configured with the spraying adjusting means, by the temperature
The temperature of the high-temperature tail gas that degree sensor is detected is compared with the minimum temperature threshold and maximum temperature threshold value, such as
The temperature of the high-temperature tail gas is less than the minimum temperature threshold or is higher than the maximum temperature threshold value, then stop the air-flow
The work of formula spraying system, otherwise opens the work for keeping the air-flowing type spraying system.
Further, between the minimum temperature threshold is located at 190 DEG C～210 DEG C, the maximum temperature threshold value is located at
Between 450 DEG C～470 DEG C.
Preferably, the gaseous ammonia generates system includes at least one temperature sensor, at least one temperature sensing
Device is arranged at the air inlet of the exhaust gas cleaner peculiar to vessel.
Further, intake air temperature threshold value is configured with the spraying adjusting means, at the air inlet for detecting
The high-temperature tail gas temperature compared with the intake air temperature threshold value, as the temperature of the high-temperature tail gas falls in the air inlet
The work of the air-flowing type spraying system in the range of temperature threshold, is then opened, otherwise stops the air-flowing type spraying system
Work.
Further, the scope of the intake air temperature threshold value is 220 DEG C～490 DEG C.
Compared with prior art, the utility model has the advantage of：
Gaseous ammonia of the present utility model generates system, and for exhaust gas cleaner peculiar to vessel, the gaseous ammonia generates system will
The direct Jing pipelineds of urea liquid are sufficiently mixed with high-temperature tail gas into exhaust gas cleaner peculiar to vessel, so as to produce gaseous state
Ammonia and biuret, instead of huge by ammonia vaporizer, ammonia surge tank, gas flow valve etc. in selective catalytic reduction
The gaseous ammonia generating means of equipment composition, this is mobile pollution source diesel engine for major part, and especially oceangoing voyage marine diesel comes
Speech, the gaseous ammonia generate system and can generate gaseous ammonia in real time by the demand of marine diesel tail gas clean-up, and use
It is urea liquid, good stability, the job security of whole system are higher.Gaseous ammonia provided by the utility model generates western ketone
Overall structure is simple, small volume, lightweight, more for practicality.
Further, produced biuret after gaseous state urea liquid pyrolytic, can form tiny consolidating with ammonium sulfate
State granule, can more easily by the exhaust gas cleaner peculiar to vessel in the particulate matter removal device remove, also it is avoided that
In catalytic reduction device, the blockage problem of ceramic catalyst, extends the bulk life time of catalytic reduction device.
Further, during the emitted dose of the urea liquid is the high-temperature tail gas according to the exhaust gas cleaner peculiar to vessel
Amount of nitrogen oxides carries out Based Intelligent Control, while ensureing efficiently to take out nitrogen oxides, additionally it is possible to avoid the escaping of ammonia situation
Generation, saved cost, and avoided the pollution of environment, improve safety.
According to the detailed description below in conjunction with accompanying drawing to this utility model specific embodiment, those skilled in the art will be more
Plus understand of the present utility model above-mentioned and other purposes, advantages and features.
Description of the drawings
Describe some concrete realities of the present utility model hereinafter with reference to the accompanying drawings by way of example, and not by way of limitation in detail
Apply example.In accompanying drawing, identical reference denotes same or similar part or part.It should be appreciated by those skilled in the art that
What these accompanying drawings were not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the structured flowchart of the exhaust gas cleaner peculiar to vessel according to this utility model one embodiment.
Specific embodiment
Fig. 1 is the structured flowchart of the exhaust gas cleaner peculiar to vessel according to the present embodiment.As shown in figure 1, the present embodiment is retouched
The gaseous ammonia stated generates system, and for exhaust gas cleaner peculiar to vessel, the exhaust gas cleaner peculiar to vessel includes that particulate matter removes dress
4 and catalytic reduction device 3 are put, the gaseous ammonia generates system and may include that air-flowing type spraying system 2 and spraying are adjusted in general manner
Device 1, the nozzle ejection of air-flowing type spraying system 2 described in urea liquid Jing are abundant with the high-temperature tail gas that marine diesel sprays
Mixing produces biuret and the gaseous ammonia used for the catalytic reduction device 3, and the emitted dose of the urea liquid receives the spray
Mist adjusting means 1 is controlled.
Pipeline is provided with the air-flowing type spraying system 2, by the urea liquid Jing pipelineds to nozzle, so as to
Into the inside of the exhaust gas cleaner peculiar to vessel, by air-stream spraying by urea liquid be changed into microlayer model state and with high temperature tail
Gas is sufficiently mixed, and the carbamide in the presence of high-temperature tail gas in urea liquid is heated to rapidly more than 160 DEG C and then decomposes, and produces
Raw gaseous ammonia (NH3) and biuret (CONH), wherein gaseous ammonia (NH3) by the catalytic condition in subsequent catalytic reduction device 3
Nitrogen oxides in lower and tail gas (include NO and NO2) there is following chemical reaction：
4NH3+4NO+O2=4N2+6H2O
8NH3+6NO2=7N2+12H2O
Carbon monoxide and nitrogen oxygen while above-mentioned denitration process, under high temperature and catalytic condition, in tail gas gaseous mixture
Compound (includes NO and NO2) there is following chemical reaction：
2CO+2NO+O2=2CO2+N2
4CO+2NO2=4CO2+N2
At the same time, gaseous ammonia (NH3) also there is following chemical reaction with the sulfur dioxide in tail gas, its reaction equation is：
SO2+H2O+xNH3=(HN4)xH2-xSO3
Ammonium sulfite intermediate products are obtained, ammonium sulfite is aoxidized again：
(NH4)XH2-XSO3+1/2O2+(2-x)NH3=(NH4)2SO4
Spray drying method desulfurization is achieved in that, the biuret after the end-product ammonium sulfate and carbamide after desulfurization decomposes can shape
It is mixed in diesel engine vent gas into tiny solid granulates.Particulate matter and bavin in subsequent particulate matter removal device 4, by more than
In oil machine tail gas, original particulate matter is together removed, and also the ceramic catalyst in the catalytic reduction device 3 would not be caused
Blocking.
It is understood that the content into the nitrogen oxides of exhaust gas cleaner peculiar to vessel is the moment in change, because
The operation conditions of diesel engine is different, and produced nitrogen oxides are also inevitable different, then purify these major pollutants
Be exactly gaseous ammonia needed for nitrogen oxides be also different, then in the present embodiment, then the amount for being also accomplished by carbamide is done
Go out to adjust control.
If because when urea liquid emitted dose is fewer, the ammonia for necessarily leading to is not reached and efficiently removes denitrification
Requirement (reactant not enough), just necessarily reduce going the efficiency of denitrification.If conversely, urea liquid emitted dose exceedes going
The requirement (reactant is superfluous) of denitrification, although the efficiency of denitrification can be improved, but, due to reactant
Surplus, the ammonia for having neither part nor lot in reaction are directly discharged in air, cause ammonia (being also poisonous and hazardous gas) to pollute, that is, often
The escaping of ammonia phenomenon said.The carbamide of excess injection simultaneously will also result in increase using urea amount causes operating cost to increase.
Therefore, in order to avoid urea liquid emitted dose is not enough or urea liquid overspray, just must be according to motor hand
The change of condition (nitrous oxides concentration that the difference of rotating speed and load contains in causing the flow difference of tail gas, its tail gas is different),
Immediately change the urea liquid overspray into exhaust gas cleaner, as injection rate of the gaseous ammonia in tail gas depends on completely
In the concentration and injection rate of urea liquid, and urea concentration is controlled very well, as long as urea liquid injection accurately can be adjusted
Amount.
The exhaust gas cleaner peculiar to vessel has air inlet and gas outlet, and the gaseous ammonia generates system includes a NOX
Sensor 5, is arranged at a NO of the air inletXSensor 5 is communicated connection with the spraying adjusting means 1, described
Spraying adjusting means 1 is according to a NOXThe nitrogen oxides of the entrance exhaust gas cleaner peculiar to vessel that sensor 5 is detected
Content adjusts the emitted dose of the urea liquid.
The gaseous ammonia generates system also includes the 2nd NOXSensor 6, is arranged at the gas outlet, the 2nd NOXPass
Sensor 6 communicate connection with the spraying adjusting means 1, and the adjusting means 1 of spraying is according to the 2nd NOXSensor 6 is detected
The amount of nitrogen oxides of the discharge exhaust gas cleaner peculiar to vessel for arriving adjusts the emitted dose of the urea liquid.
Mechanical diaphragm type urea pump can be set in exhaust gas cleaner peculiar to vessel, with reference to the spraying adjusting means 1, can
It is more accurate that effectively urea liquid emitted dose is controlled.
In addition, in the present embodiment, the high-temperature tail gas into exhaust gas cleaner peculiar to vessel must reach uniform temperature,
Tail gas clean-up can be realized.Because if the temperature of high-temperature tail gas enters tail gas clean-up peculiar to vessel less than uniform temperature injection carbamide
Carbamide can be caused after device to decompose in ceramic catalyst intercrystalline, block catalytic reduction device 3；And it is higher than uniform temperature urine
Plain spirt goes directly be oxidized to NOX, not only do not reduce NOXDischarge, increases NO on the contraryXDischarge.
Therefore, the gaseous ammonia generates system also includes temperature sensor 7, and the temperature sensor 7 is arranged on the ship
With in exhaust gas cleaner, for detecting the temperature of high-temperature tail gas described in the exhaust gas cleaner peculiar to vessel, the temperature is passed
Sensor 7 communicate connection with the spraying adjusting means 1, and the adjusting means 1 of spraying is according to the temperature for detecting the high-temperature tail gas
The work of air-flowing type spraying system 2 described in degree start and stop.
Further, minimum temperature threshold and maximum temperature threshold value are configured with the spraying adjusting means 1, by the temperature
The temperature of the high-temperature tail gas that degree sensor 7 is detected is compared with the minimum temperature threshold and maximum temperature threshold value,
Temperature such as the high-temperature tail gas be less than as described in minimum temperature threshold or maximum temperature threshold value as described in being higher than, then stop the gas
The work of flow type spray system 2, otherwise opens the work for keeping the air-flowing type spraying system 2.
Preferably, between the minimum temperature threshold is located at 190 DEG C～210 DEG C, the maximum temperature threshold value is located at 450 DEG C
Between～470 DEG C.
After being monitored to the high-temperature tail gas temperature in exhaust gas cleaner peculiar to vessel, it is 200 such as to arrange minimum temperature threshold
DEG C, maximum temperature threshold value be 460 DEG C, then when detect exhaust gas cleaner interior temperature degree peculiar to vessel less than 200 DEG C when then stop to
The exhaust gas cleaner peculiar to vessel sprays urea liquid, and same is higher than 400 when exhaust gas cleaner interior temperature degree peculiar to vessel is detected
DEG C when also stop spraying urea liquid to the exhaust gas cleaner peculiar to vessel, the normal spraying tune otherwise when diesel engine work
Regulating device 1 keeps spraying urea liquid into the exhaust gas cleaner peculiar to vessel.
Certainly, in order to realize monitoring temperature, one can also be arranged in the air inlet of the exhaust gas cleaner peculiar to vessel directly
Individual temperature sensor 7, direct detection enter the temperature of the high-temperature tail gas of exhaust gas cleaner peculiar to vessel, also just say in gaseous ammonia
Temperature sensor 7 of the generation system with least one air inlet for being arranged at the exhaust gas cleaner peculiar to vessel.
Further, intake air temperature threshold value is configured with the spraying adjusting means 1, at the air inlet for detecting
The temperature of the high-temperature tail gas compared with the intake air temperature threshold value, as the temperature of the high-temperature tail gas fall it is described enter temperature
In the range of degree threshold value, then the work of the air-flowing type spraying system 2 is opened, otherwise stops the air-flowing type spraying system 2
Work.
Preferably, the scope of the intake air temperature threshold value is 220 DEG C～490 DEG C.
The gaseous ammonia of the present embodiment generates system, and for exhaust gas cleaner peculiar to vessel, the gaseous ammonia generates system and will urinate
The direct Jing pipelineds of plain solution are sufficiently mixed with high-temperature tail gas into exhaust gas cleaner peculiar to vessel, so as to produce gaseous ammonia
And biuret, set by ammonia vaporizer, ammonia surge tank, gas flow valve etc. are huge in instead of selective catalytic reduction
The gaseous ammonia generating means of standby composition, this for it is most of be mobile pollution source diesel engine, especially oceangoing voyage marine diesel saying,
The gaseous ammonia generates system and can generate gaseous ammonia in real time by the demand of marine diesel tail gas clean-up, and uses urine
Plain solution, good stability, the job security of whole system are higher.Gaseous ammonia provided by the utility model generates the whole of western ketone
It is body simple structure, small volume, lightweight, more for practicality.
Further, produced biuret after gaseous state urea liquid pyrolytic, can form tiny consolidating with ammonium sulfate
State granule, can more easily by the exhaust gas cleaner peculiar to vessel in the particulate matter removal device remove, also it is avoided that
In catalytic reduction device, the blockage problem of ceramic catalyst, extends the bulk life time of catalytic reduction device.
Further, during the emitted dose of the urea liquid is the high-temperature tail gas according to the exhaust gas cleaner peculiar to vessel
Amount of nitrogen oxides carries out Based Intelligent Control, while ensureing efficiently to take out nitrogen oxides, additionally it is possible to avoid the escaping of ammonia situation
Generation, saved cost, and avoided the pollution of environment, improve safety.
So far, although those skilled in the art will appreciate that herein it is detailed illustrate and describe it is of the present utility model many
Individual exemplary embodiment, but, in the case of without departing from this utility model spirit and scope, still can be public according to this utility model
The content opened directly determines or derives many other variations or modifications for meeting this utility model principle.Therefore, this practicality is new
The scope of type is understood that and regards as covering all these other variations or modifications.
Claims (7)
1. a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel generates system, and the exhaust gas cleaner peculiar to vessel includes particulate matter
Removal device and catalytic reduction device, it is characterised in that the gaseous ammonia generates system includes air-flowing type spraying system and spraying
Adjusting means, the nozzle of air-flowing type spraying system described in urea liquid Jing are sprayed the high-temperature tail gas sprayed with marine diesel and are filled
Mixing is divided to produce biuret and the gaseous ammonia used for the catalytic reduction device, the emitted dose of the urea liquid receives the spray
Mist adjusting means is controlled；The exhaust gas cleaner peculiar to vessel has air inlet and gas outlet, and the gaseous ammonia generates system to be included
First NOX sensor, is arranged at a NO of the air inletXSensor is communicated connection with the spraying adjusting means,
The spraying adjusting means is according to a NOXThe nitrogen oxidation of the entrance exhaust gas cleaner peculiar to vessel that sensor is detected
Thing content adjusts the emitted dose of the urea liquid；
The gaseous ammonia generates system includes the 2nd NOXSensor, is arranged at the gas outlet, second NOX sensor and institute
Spraying adjusting means communication connection is stated, the spraying adjusting means is according to the 2nd NOXDescribed in the discharge that sensor is detected
The amount of nitrogen oxides of exhaust gas cleaner peculiar to vessel adjusts the emitted dose of the urea liquid.
2. a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel according to claim 1 generates system, it is characterised in that
The gaseous ammonia generates system also includes temperature sensor, and the temperature sensor is arranged on the exhaust gas cleaner peculiar to vessel
In, for detecting the temperature of high-temperature tail gas described in the exhaust gas cleaner peculiar to vessel, the temperature sensor and the spraying
Adjusting means communication connection, spraying adjusting means air-flowing type spray according to the temperature start and stop for detecting the high-temperature tail gas
The work of mist system.
3. a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel according to claim 2 generates system, it is characterised in that
Minimum temperature threshold and maximum temperature threshold value are configured with the spraying adjusting means, the institute that the temperature sensor is detected
The temperature and the minimum temperature threshold and maximum temperature threshold value for stating high-temperature tail gas is compared, such as the temperature of the high-temperature tail gas
Less than the minimum temperature threshold or higher than the maximum temperature threshold value, then stop the work of the air-flowing type spraying system,
The work for keeping the air-flowing type spraying system is opened otherwise.
4. a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel according to claim 3 generates system, it is characterised in that
Between the minimum temperature threshold is located at 190 DEG C～210 DEG C, between the maximum temperature threshold value is located at 450 DEG C～470 DEG C.
5. a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel according to claim 1 generates system, it is characterised in that
The gaseous ammonia generates system includes at least one temperature sensor, and at least one temperature sensor is arranged at described peculiar to vessel
The air inlet of exhaust gas cleaner.
6. a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel according to claim 5 generates system, it is characterised in that
Intake air temperature threshold value is configured with the spraying adjusting means, by the temperature of the high-temperature tail gas at the air inlet for detecting
Spend compared with the intake air temperature threshold value, as the temperature of the high-temperature tail gas falls in the range of the intake air temperature threshold value,
The work of the air-flowing type spraying system is then opened, otherwise stops the work of the air-flowing type spraying system.
7. a kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel according to claim 6 generates system, it is characterised in that
The scope of the intake air temperature threshold value is 220 DEG C～490 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299377.6U CN206054060U (en) | 2016-04-12 | 2016-04-12 | A kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel generates system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299377.6U CN206054060U (en) | 2016-04-12 | 2016-04-12 | A kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel generates system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054060U true CN206054060U (en) | 2017-03-29 |
Family
ID=58372613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620299377.6U Expired - Fee Related CN206054060U (en) | 2016-04-12 | 2016-04-12 | A kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel generates system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736094A (en) * | 2016-04-12 | 2016-07-06 | 苏州水木康桥环境工程技术有限公司 | Gaseous ammonia generating system used for marine tail gas purification device |
-
2016
- 2016-04-12 CN CN201620299377.6U patent/CN206054060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736094A (en) * | 2016-04-12 | 2016-07-06 | 苏州水木康桥环境工程技术有限公司 | Gaseous ammonia generating system used for marine tail gas purification device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR950012137B1 (en) | Method of removing nitrogen oxides in exhaust gases from a diesel engine | |
| CN105736094A (en) | Gaseous ammonia generating system used for marine tail gas purification device | |
| CN102665867A (en) | Exhaust gas nitrogen-removal system having a reducing-agent-mixing and noise-attenuating structure | |
| CN104136727B (en) | Waste gas purification apparatus | |
| KR20100132310A (en) | The scr system of a ship for nitrogen oxide(nox) reduction using fine urea powder | |
| CN101784331A (en) | SCR emissions control system | |
| US9677440B2 (en) | Aftertreatment system incorporating hydrolysis catalyst with particulate filtration and SCR | |
| CN110500161A (en) | Selective catalytic reduction device control | |
| CN102966413A (en) | Nachbehandlungssystem | |
| CN102946975A (en) | Reducing-agent supply device and an exhaust gas nitrogen-removal system using the same | |
| CN201581966U (en) | Combination structure of automobile tail gas catalytic reduction postprocessor | |
| CN114790956B (en) | Marine ammonia fuel engine emission reduction device and control method | |
| CN209237722U (en) | A kind of exhaust gas cleaner for threst stand | |
| CN204357536U (en) | A kind of exhaust treatment system | |
| CN108295891A (en) | The in-situ regeneration System and method for of diesel car tail gas refining Cu based molecular sieve denitrating catalysts | |
| CN206845280U (en) | A kind of exhaust gas purification system of marine diesel engine | |
| CN206054060U (en) | A kind of gaseous ammonia for exhaust gas cleaner peculiar to vessel generates system | |
| CN103362612A (en) | Method for use in connection with an exhaust gas post-treatment system | |
| KR100999614B1 (en) | Apparatus for reducing nitrogen oxide in exhaust pipe | |
| CN104785092A (en) | An SNCR flue gas denitration device | |
| KR102099885B1 (en) | NOx and SOx removal device and removal process in wet scrubber using pyrolysis of hydrogen peroxide | |
| CN209212351U (en) | A kind of high efficiency urea fluidized bed mixer in tail gas clean-up | |
| CN105781760A (en) | System and method for reducing NOx emission of marine diesel engine | |
| CN107989676A (en) | A kind of ship power plant waste gases tapping equipment using HP-SCR technologies | |
| CN205714363U (en) | Automotive exhaust catalysis processor |
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: 20170329 Termination date: 20180412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |