CN211008823U - Marine ammonia desorption device - Google Patents
Marine ammonia desorption device Download PDFInfo
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- CN211008823U CN211008823U CN201921816741.1U CN201921816741U CN211008823U CN 211008823 U CN211008823 U CN 211008823U CN 201921816741 U CN201921816741 U CN 201921816741U CN 211008823 U CN211008823 U CN 211008823U
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Abstract
The utility model discloses a marine ammonia desorption device relates to boats and ships energy saving and emission reduction technical field, specifically is a marine ammonia desorption device, inhale and separate the module container including the ammonia. This marine ammonia desorption device, through the storage module who separates the module container and set up the formula of joinable into having the module integrated interface with the ammonia, make every ammonia absorb and separate the module container and can independently come out, a plurality of ammonia absorb and separate the module container and can integrate into an ammonia absorption unit again, the function that the module container was absorbed and separated to the decentralized management and integrated use ammonia has been realized, when the ammonia absorbs and separates the module container and damages or vacant, can be changed with another ammonia that is full of the ammonia absorption module container, the convenience and the reliability of system have been improved greatly, the device compact structure, save the easy pump station unit of the traditional urea of conveying, atomizing device and the great urea solution holding vessel of volume, very considerable space has been saved.
Description
Technical Field
The utility model relates to a boats and ships energy saving and emission reduction technical field specifically is a marine ammonia desorption device.
Background
The exhaust of the marine diesel engine has the characteristics of low temperature, large working condition fluctuation and the like, and when the temperature of tail gas is low and the flow speed is reduced in the traditional urea SCR technology, the urea decomposition rate is low, urea which is not completely decomposed can form deposits to be attached to a system, and pipelines are deposited and blocked. The low-temperature performance of the reducing agent is poor, the ammonia yield, the storage density, the ammonia escape and the catalyst activity have important influence on the denitration efficiency of the whole system.
Meanwhile, ammonia gas is very volatile and diffuses at normal temperature, absorbs skin moisture, has the effects of corrosion and irritation on skin, destroys cell membrane structures, and causes great hidden danger to the safety of crews.
The window temperature of the traditional urea aqueous solution is about 200 ℃, when the reaction temperature is low, urea is pyrolyzed and hydrolyzed incompletely, intermediate products such as isocyanic acid and adenosylation are generated along with a plurality of side reactions, and then polymeric compounds such as cyanuric acid, melamine and atmosphere urea amide are easily generated, solid crystals are formed in pipelines, the service life of the system is shortened, and more heat needs to be absorbed in the traditional urea aqueous solution reaction, so that the overall efficiency is reduced, and the traditional urea aqueous solution is hydrolyzed incompletely, so that an error exists between the urea injection amount and the ammonia gas generation amount, the conversion efficiency is reduced or NH is caused3The leakage amount exceeds the standard, and secondary pollution is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a marine ammonia desorption device, the problem of proposing in the above-mentioned background art has been solved to the not enough of prior art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a marine ammonia desorption device comprises an ammonia desorption module container, wherein an ammonia adsorption material is filled in the ammonia desorption module container, two module integrated interfaces are arranged above the ammonia desorption module container, a heat source inlet and a heat source outlet are respectively formed in two ends of the side surface of the ammonia desorption module container, a temperature sensor and a thermometer are arranged on the ammonia desorption module container, an ammonia inlet air duct is fixedly sleeved on a port of one module integrated interface, a one-way valve is arranged on the ammonia inlet air duct, an ammonia filling air source is fixedly connected to one end, far away from the module integrated interface, of the ammonia inlet air duct, a first stop valve positioned at the outlet of the ammonia filling air source is fixedly installed on the ammonia inlet air duct, and an ammonia outlet air duct is fixedly sleeved on the other module integrated interface, and the ammonia outlet air guide pipe is connected with a pressure sensor and a pressure gauge which are close to one end of the module integrated interface, and is provided with a second stop valve and a pressure reducing valve which are far away from one end of the module integrated interface.
Optionally, the number of the ammonia adsorption and desorption module containers is one or more, the ammonia adsorption and desorption module containers are connected through a module integration interface, and the ammonia adsorption and desorption module containers are connected to form an ammonia adsorption unit.
Optionally, one end of the ammonia gas outlet airway far away from the module integrated interface is connected with an injection system inlet, and the pressure reducing valve is located on one side, close to the injection system inlet, of the ammonia gas outlet airway.
Optionally, the ammonia adsorbing material is made of chloride, and the chloride reacts with ammonia to form a complex.
Optionally, the check valve is located at one end of the ammonia gas inlet airway close to the module integrated interface, and the pressure sensor and the temperature sensor are respectively electrically connected with the pressure gauge and the thermometer.
Optionally, a material inlet is formed in the ammonia desorption module container, a sealing cover is arranged on the inlet, and cover bodies are arranged at a heat source inlet and a heat source outlet of the ammonia desorption module container.
The utility model provides a marine ammonia desorption device possesses following beneficial effect:
1. this marine ammonia desorption device, through the storage module who separates the module container and set up the formula of joinable into having the module integrated interface with the ammonia, make every ammonia absorb and separate the module container and can independently come out, a plurality of ammonia absorb and separate the module container and can integrate into an ammonia absorption unit again, the function that the module container was absorbed and separated to the decentralized management and integrated use ammonia has been realized, when the ammonia absorbs and separates the module container and damages or vacant, can be changed with another ammonia that is full of the ammonia absorption module container, the convenience and the reliability of system have been improved greatly, the device compact structure, save the easy pump station unit of the traditional urea of conveying, atomizing device and the great urea solution holding vessel of volume, very considerable space has been saved.
2. This marine ammonia desorption device, through the inside ammonia adsorption material of packing that absorbs the module container at the ammonia, utilize ammonia adsorption material to regard as the carrier of ammonia the absorption of ammonia, the device can fill the air supply with the ammonia through the module integration interface that sets up and be connected, make ammonia adsorption material carry out the ammonia and adsorb under certain pressure, can pack the ammonia at any time, and fall the device at normal atmospheric temperature and deposit when doing spare part, high durability and convenient use, be fit for and the reliable ammonia source of the boats and ships that sail for a long time, and ammonia adsorption material stores up ammonia density big, can used repeatedly, high mechanical strength, the cost that the ammonia was stored has been reduced, the practicality of the device is improved.
3. This marine ammonia desorption device, ammonia in through using the reductant to ammonia adsorption material is desorbed, the reductant that should desorb the in-process and use is with low costs, and low temperature activity is high, the temperature range of desorption process is wider, the efficiency that ammonia was desorbed has effectively been improved, ammonia adsorption material can accurate release ammonia, and can not take place the crystallization phenomenon in the pipeline, the ammonia release efficiency of the device has been improved, because it is few than the traditional urea aqueous solution reaction that gets to desorb the in-process absorbed heat, thereby the benefit of the desorption process of the device has been improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an ammonia gas desorption module vessel; 2. an ammonia gas adsorption unit; 3. ammonia adsorbing material; 4. a heat source inlet; 5. a heat source outlet; 6. a module integration interface; 7. an ammonia gas outlet gas guide pipe; 8. an ammonia gas inlet gas guide pipe; 9. filling an ammonia gas source; 10. a first shut-off valve; 11. a one-way valve; 12. a second stop valve; 13. a pressure reducing valve; 14. a pressure sensor; 15. a pressure gauge; 16. a temperature sensor; 17. a thermometer; 18. an injection system inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a marine ammonia desorption device, inhale and separate module container 1 including the ammonia, the inside packing that the ammonia inhaled and separated module container 1 has ammonia adsorption material 3, the top that the ammonia was inhaled and is separated module container 1 is equipped with two module integration interfaces 6, heat source entry 4 and heat source export 5 have been seted up respectively to the both ends that the ammonia was inhaled and is separated module container 1 side, be provided with temperature sensor 16 and thermometer 17 on the ammonia was inhaled and is separated module container 1, the fixed cover of the port of one of them module integration interface 6 has ammonia entry air duct 8, be equipped with check valve 11 on the ammonia entry air duct 8, the effect of check valve 11 is in order to prevent that ammonia fills air supply 9 pressure and hang down, the ammonia is inhaled and is separated module container 1 and flows backwards to ammonia and fills in the air supply 9 in the ammonia release in-process, the one end fixedly connected with ammonia and fills air supply 9 that module integration interface 6 was kept away from to ammonia entry air duct 8 An ammonia gas outlet air duct 7 is fixedly sleeved on the other module integrated interface 6, a pressure sensor 14 and a pressure gauge 15 which are close to one end of the module integrated interface 6 are connected onto the ammonia gas outlet air duct 7, and a second stop valve 12 and a pressure reducing valve 13 which are far away from one end of the module integrated interface 6 are arranged on the ammonia gas outlet air duct 7.
Wherein, the quantity of ammonia absorption and decomposition module container 1 is one or more, the ammonia is absorbed and is decomposed and connect through module integration interface 6 between the module container 1, a plurality of ammonia are absorbed and are decomposed module container 1 and connect and constitute ammonia adsorption unit 2, every ammonia is absorbed and is decomposed module container 1 and can independently come out alone, can integrate into an ammonia adsorption unit 2 again, the advantage lies in when the ammonia adsorption material 3 of ammonia in the module container 1 of absorption and decomposition takes place for the condition such as ageing or ammonia leakage, can inhale and decompose module container 1 and change fast to the ammonia, the reliability of the system is improved.
Wherein, the one end that the integrated interface 6 of module was kept away from to ammonia outlet air duct 7 is connected with injection system entry 18, and relief pressure valve 13 is located the one side that is close to injection system entry 18 on ammonia outlet air duct 7, and relief pressure valve 13 is used for compensating the pressure size of the ammonia of releasing from ammonia adsorption module container 1, guarantees that ammonia lasts steadily to be carried to injection system entry 18.
The ammonia adsorption material 3 is made of chloride, the chloride reacts with ammonia to form a complex, the chloride and the ammonia are used in industry to form the complex, and the ammonia adsorption desorption reversible process enables the ammine chloride to serve as a central particle to become a carrier for storing the ammonia, so that loss is avoided, and the ammonia adsorption material is harmless to human bodies and environments.
Wherein, check valve 11 is located the one end that is close to module integration interface 6 on ammonia inlet air duct 8, and pressure sensor 14 and temperature sensor 16 respectively with manometer 15 and thermometer 17 electric connection, thermometer 17 and manometer 15 can observe the operating condition in ammonia adsorption unit 2 locally in real time to carry out the secondary to temperature sensor 16 and pressure sensor 14's performance, precision and confirm.
Wherein, the material inlet has been seted up on the ammonia adsorption module container 1, be provided with sealed lid on the entry, the ammonia adsorption module container 1 is last to be provided with the lid in heat source entry 4 and the heat source export 5 department, after filling ammonia adsorption material 3 in the inside of ammonia adsorption module container 1, screw up sealed lid, in the ammonia adsorption unit 2 that forms after connecting ammonia adsorption module container 1, the heat source entry 4 of head end connects the heat source, the lid of heat source export 5 is closed, the heat source export 5 and the heat source processing apparatus of tail end are connected, heat source entry 4 is closed, the lid of heat source entry 4 and the heat source export 5 on the middle ammonia adsorption module container 1 is all closed, thereby guarantee the leakproofness of ammonia adsorption unit 2.
In conclusion, when the marine ammonia desorption device is used, firstly, the ammonia adsorption material 3 is placed inside the ammonia adsorption module container 1, the sealing cover is screwed, a plurality of ammonia adsorption module containers 1 are connected through the module integration interface 6 to form the ammonia adsorption unit 2 according to the concrete conditions of the actual ship, secondly, the first stop valve 10 is opened, ammonia enters the ammonia adsorption module container 1 from the ammonia filling air source 9 along the ammonia inlet air duct 8 through the one-way valve 11 until the ammonia adsorption material 3 adsorbs the ammonia to reach the saturated state, the first stop valve 10 is closed, finally, the ship host machine is used for exhausting or electrically heating to serve as a heat source, a heat source medium enters the ammonia adsorption unit 2 from the heat source inlet 4 at the bottom of the ammonia adsorption module container 1 and passes through each ammonia adsorption module container 1 from bottom to top to heat the ammonia adsorption material 3, temperature sensor 16 carries out accurate control to the temperature in the ammonia desorption module container 1, and after the temperature reached desorption temperature, the ammonia can follow the desorption in ammonia adsorption material 3, opens second stop valve 12, and through relief pressure valve 13 steady voltage, via ammonia outlet air duct 7 effusion, input to injection system entry 18 continuously and steadily, spray, can.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a marine ammonia desorption device, includes ammonia desorption module container (1), its characterized in that: the ammonia adsorption and desorption module comprises an ammonia adsorption material (3) filled in an ammonia adsorption and desorption module container (1), two module integration interfaces (6) are arranged above the ammonia adsorption and desorption module container (1), a heat source inlet (4) and a heat source outlet (5) are respectively formed in two ends of the side surface of the ammonia adsorption and desorption module container (1), a temperature sensor (16) and a thermometer (17) are arranged on the ammonia adsorption and desorption module container (1), an ammonia inlet air duct (8) is fixedly sleeved at one end of one module integration interface (6), a check valve (11) is arranged on the ammonia inlet air duct (8), an ammonia filling air source (9) is fixedly connected to one end, far away from the module integration interface (6), of the ammonia inlet air duct (8), a first stop valve (10) located at the outlet of the ammonia filling air source (9) is fixedly installed on the ammonia inlet air duct (8), another fixed cover is connected with ammonia gas export air duct (7) on module integration interface (6), be connected with pressure sensor (14) and manometer (15) that are close to module integration interface (6) one end on ammonia gas export air duct (7), be provided with second stop valve (12) and relief pressure valve (13) of keeping away from module integration interface (6) one end on ammonia gas export air duct (7).
2. The marine ammonia desorption device of claim 1 wherein: the ammonia is inhaled and is separated the quantity of module container (1) and be one or more, the ammonia is inhaled and is separated between the module container (1) and connect through module integration interface (6), a plurality of ammonia are inhaled and are separated module container (1) and connect and constitute ammonia adsorption unit (2).
3. The marine ammonia desorption device of claim 1 wherein: one end, far away from the module integration interface (6), of the ammonia gas outlet air duct (7) is connected with an injection system inlet (18), and the pressure reducing valve (13) is located on one side, close to the injection system inlet (18), of the ammonia gas outlet air duct (7).
4. The marine ammonia desorption device of claim 1 wherein: the ammonia adsorbing material (3) is made of chloride, and the chloride reacts with ammonia to form a complex.
5. The marine ammonia desorption device of claim 1 wherein: check valve (11) are located the one end that is close to module integration interface (6) on ammonia entry air duct (8), pressure sensor (14) and temperature sensor (16) respectively with manometer (15) and thermometer (17) electric connection.
6. The marine ammonia desorption device of claim 1 wherein: a material inlet is formed in the ammonia gas adsorption module container (1), a sealing cover is arranged on the material inlet, and cover bodies are arranged at a heat source inlet (4) and a heat source outlet (5) in the ammonia gas adsorption module container (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921816741.1U CN211008823U (en) | 2019-10-28 | 2019-10-28 | Marine ammonia desorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921816741.1U CN211008823U (en) | 2019-10-28 | 2019-10-28 | Marine ammonia desorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211008823U true CN211008823U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921816741.1U Active CN211008823U (en) | 2019-10-28 | 2019-10-28 | Marine ammonia desorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211008823U (en) |
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2019
- 2019-10-28 CN CN201921816741.1U patent/CN211008823U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211009 Address after: 200129 No. 1333, Laiyang Road, Pudong New Area, Shanghai Patentee after: China Shipbuilding Power (Group) Co.,Ltd. Patentee after: HUDONG HEAVY MACHINERY Co.,Ltd. Address before: 200129 building 346, No. 2851, Pudong Avenue, Pudong New Area, Shanghai Patentee before: HUDONG HEAVY MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230713 Address after: 201208 No. 1333, Laiyang Road, Pudong New Area, Shanghai Patentee after: China Shipbuilding Power (Group) Co.,Ltd. Address before: 200129 No. 1333, Laiyang Road, Pudong New Area, Shanghai Patentee before: China Shipbuilding Power (Group) Co.,Ltd. Patentee before: HUDONG HEAVY MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |