CN209612639U - A kind of ammonia feeding mechanism for SCR denitration system - Google Patents
A kind of ammonia feeding mechanism for SCR denitration system Download PDFInfo
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- CN209612639U CN209612639U CN201822256327.1U CN201822256327U CN209612639U CN 209612639 U CN209612639 U CN 209612639U CN 201822256327 U CN201822256327 U CN 201822256327U CN 209612639 U CN209612639 U CN 209612639U
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Abstract
The utility model discloses a kind of ammonia feeding mechanism for SCR denitration system, including pedestal, liquefied ammonia conveyance conduit, liquefied ammonia evaporative component, ammonia delivery pipe and gas ammonia surge tank are provided on the pedestal；The liquefied ammonia conveyance conduit is connect with liquefied ammonia evaporative component, and the discharge port of the liquefied ammonia evaporative component is connect with the inlet end of ammonia conveyance conduit, and the outlet side of the ammonia conveyance conduit is connect with gas ammonia surge tank, is provided with ammonia outlet on the gas ammonia surge tank；The ammonia feeding mechanism further includes exhaust emission pipe, sewage pipe, sewage collecting tank and provides the steam conveying pipe of steam for liquefied ammonia evaporative component；The sewage pipe is connect to collect the waste water after steam liquefied with liquefied ammonia evaporative component；The first safety valve is provided between the exhaust emission pipe and the liquefied ammonia evaporative component, the outlet of the exhaust emission pipe and the sewage pipe is all arranged in sewage collecting tank.It can steadily export ammonia, and performance is stablized, easy to remove and transport.
Description
Technical field
The utility model relates to denitration dust collecting technical fields, and in particular to a kind of ammonia supply for SCR denitration system
Device.
Background technique
The most denitration engineering of glass industry uses SCR (selective catalytic reduction) denitration technology at present, and most of
SCR denitration system reducing agent is used as using ammonia, therefore ammonia feeding mechanism is as indispensable one of entire denitrating system
Point.In general, Sheet Glass Plant, because of its process requirements, plant area can be arranged ammonia area and prepare for ammonia and hydrogen.And ammonia area needs source
Source is constantly be generated ammonia, and SCR denitration system is to the stability requirement of ammonia ammonia stability that is very stringent, and exporting at present
Difference, air pressure is unstable, and cannot continue to export, this just affects subsequent denitration process.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of ammonia feeding mechanism for SCR denitration system,
Ammonia can be steadily exported, performance is stablized, easy to remove and transport.
In order to solve the above-mentioned technical problem, the utility model provides a kind of ammonia supply dress for SCR denitration system
It sets, including pedestal, liquefied ammonia conveyance conduit, liquefied ammonia evaporative component, ammonia delivery pipe and gas ammonia surge tank is provided on the pedestal；
The liquefied ammonia conveyance conduit is connect with liquefied ammonia evaporative component, the discharge port of the liquefied ammonia evaporative component and ammonia conveyance conduit into
The connection of gas end, the outlet side of the ammonia conveyance conduit are connect with gas ammonia surge tank, are provided with ammonia on the gas ammonia surge tank
Outlet；The ammonia feeding mechanism further includes exhaust emission pipe, sewage pipe, sewage collecting tank and provides for liquefied ammonia evaporative component
The steam conveying pipe of steam；The sewage pipe is connect to collect the waste water after steam liquefied with liquefied ammonia evaporative component；It is described useless
The first safety valve, the exhaust emission pipe and the sewage pipe are provided between gas discharge tube and the liquefied ammonia evaporative component
Outlet is all arranged in sewage collecting tank.
Preferably, the liquefied ammonia evaporative component includes the first liquid ammonia evaporator and the second liquid ammonia evaporator.
Preferably, the liquefied ammonia delivery pipe is connect by first pipe with the first liquid ammonia evaporator, the liquefied ammonia is defeated
It send pipe to connect by second pipe with the second liquid ammonia evaporator, the first valve, second pipe is provided in the first pipe
The second valve is provided on road, first liquid ammonia evaporator is connect by third pipeline with ammonia delivery pipe, second liquid
Ammonia evaporator is connect by the 4th pipeline with ammonia delivery pipe, and third valve, the 4th pipe are provided on the third pipeline
The 4th valve is provided on road.
Preferably, being provided with the 5th pipeline of discharge exhaust gas, the 5th pipeline and gas on the gas ammonia surge tank
The junction of ammonia surge tank is provided with the second safety valve, and the gas outlet of the 5th pipeline is connect with exhaust emission pipe.
Preferably, the liquefied ammonia conveyance conduit is disposed with pneumatic ball valve, first filter, pressure along feedstock direction
Power table, manual ball valve and pneumatic control valve.
Preferably, being provided with the second filter on the steam conveying pipe.
Preferably, being provided with bracket on the pedestal, the gas ammonia surge tank setting is on the bracket.
The utility model has the beneficial effects that
1, liquefied ammonia is converted to ammonia by liquefied ammonia evaporative component by the utility model, and by gas ammonia surge tank to ammonia into
Row storage and pressure stabilizing make it possible to continue output ammonia, stable gas pressure, suitable for SCR denitration system.
2, the utility model is provided with sewage collecting tank, and the outlet of exhaust emission pipe and effluent outfall is all arranged in dirt
In water collecting groove, and due to exhaust emission pipe discharge is ammonia, and effluent outfall discharge is water, and ammonia may be dissolved in water
In, so exhaust gas and waste water are handled simultaneously, are also convenient for later period recycling.
3, the utility model is provided with pedestal, is a kind of skid structure, easy to remove and transport.
4, the utility model is compact-sized, and occupied area is small, convenient and practical.
Detailed description of the invention
Fig. 1 is the top view of the utility model；
Fig. 2 is the main view of the utility model；
Fig. 3 is the structural schematic diagram of liquefied ammonia conveyance conduit.
Figure label explanation: 10, pedestal；11, bracket；20, liquefied ammonia conveyance conduit；21, first pipe；211, the first valve
Door；22, second pipe；221, the second valve；23, pneumatic ball valve；24, first filter；25, pressure gauge；26, manual ball valve；
27, manual modulation valve；30, the first liquid ammonia evaporator；31, the second liquid ammonia evaporator；32, third pipeline；321, third valve；
33, the 4th pipeline；331, the 4th valve；40, ammonia conveyance conduit；50, gas ammonia surge tank；60, exhaust emission pipe；61,
One safety valve；62, the second safety valve；63, the 5th pipeline；70, sewage pipe；80, steam conveying pipe；81, the second filter.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Referring to Fig.1 shown in-Fig. 3, the utility model discloses a kind of ammonia feeding mechanism for SCR denitration system,
Including pedestal 10, liquefied ammonia conveyance conduit 20, liquefied ammonia evaporative component, ammonia delivery pipe and gas ammonia surge tank are provided on pedestal 10
50。
Liquefied ammonia conveyance conduit 20 is connect with liquefied ammonia evaporative component, the discharge port and ammonia conveyance conduit 40 of liquefied ammonia evaporative component
Inlet end connection, the outlet side of ammonia conveyance conduit 40 connect with gas ammonia surge tank 50, is provided with ammonia on gas ammonia surge tank 50
Gas outlet.Liquefied ammonia is entered in liquefied ammonia evaporative component by ammonia delivery pipe, is to convert liquefied ammonia in the effect of liquefied ammonia evaporative component
At gas ammonia, and the ammonia generated enters in gas ammonia surge tank 50 through ammonia delivery pipe, and gas ammonia surge tank 50 can store ammonia and right
Ammonia carries out pressure stabilizing, prevents ammonia unstable.
The utility model further includes exhaust emission pipe 60, sewage pipe 70, sewage collecting tank and mentions for liquefied ammonia evaporative component
For the steam conveying pipe 80 of steam.Steam continuously gives liquefied ammonia evaporative component to provide heat.And steam is steamed by liquefied ammonia
After sending out component, it is liquefied as water and is flowed out from sewage pipe 70.After sewage pipe 70 is connect with liquefied ammonia evaporative component to collect steam liquefied
Waste water.
The first safety valve 61, exhaust emission pipe 60 and row are provided between exhaust emission pipe 60 and liquefied ammonia evaporative component
The outlet of dirty pipe 70 is all arranged in sewage collecting tank.When the ammonia pressure in liquefied ammonia evaporative component is excessive, the first peace
Full valve 61 is opened, and extra ammonia is discharged from exhaust pipe.And the water due to there is sewage pipe 70 to flow out in sewage collecting tank,
The ammonia in exhaust pipe enters in sewage collecting tank at this time, and useless ammonia is only absorbed by the water, so can be in the utility model
Ammonia feeding mechanism generate waste water and exhaust-gas treatment handle simultaneously, and convenient for the later period recycling and utilization.
Liquefied ammonia evaporative component includes the first liquid ammonia evaporator 30 and the second liquid ammonia evaporator 31.Liquid ammonia evaporator includes first
Cavity and the second cavity, the first cavity is not connected to the second cavity and the first cavity is located in the second cavity, and in the first cavity
Logical liquefied ammonia, the second cavity lead to steam, and heat exchange occurs for steam and liquefied ammonia, and such steam liquefied Cheng Shui, liquid ammonia vaporization is at ammonia.
Liquefied ammonia delivery pipe is connect by first pipe 21 with the first liquid ammonia evaporator 30, and liquefied ammonia delivery pipe passes through second pipe
22 connect with the second liquid ammonia evaporator 31, and the first valve 211 is provided in first pipe 21, is provided with second on second pipe 22
Valve 221, the first liquid ammonia evaporator 30 are connect by third pipeline 32 with ammonia delivery pipe, and the second liquid ammonia evaporator 31 passes through the
Four pipelines 33 are connect with ammonia delivery pipe, and third valve 321 is provided on third pipeline 32, is provided with the 4th on the 4th pipeline 33
Valve 331.The use of first liquid ammonia evaporator 30 and the second liquid ammonia evaporator 31, on the one hand can be improved working efficiency, increase
The yield of ammonia, achievees the effect that dilatation.On the other hand, two liquid ammonia evaporators can also a preparation and a use, a liquid wherein
When something goes wrong, another liquid ammonia evaporator can be used in ammonia evaporator, to not influence the progress of work.
The 5th pipeline 63 of discharge exhaust gas, the 5th pipeline 63 and gas ammonia surge tank 50 are provided on gas ammonia surge tank 50
Junction is provided with the second safety valve 62, and the gas outlet of the 5th pipeline 63 is connect with exhaust emission pipe 60.When gas ammonia surge tank
When ammonia pressure value is excessive in 50, the second safety valve 62 is opened, in this way, part ammonia is discharged from the 5th pipeline 63, so that
Pressure in gas ammonia surge tank 50 is more stable.And ammonia extra in gas ammonia surge tank 50 is also through the 5th pipeline 63 again through exhaust gas
Discharge tube 60 enters in sewage collecting tank.
Liquefied ammonia conveyance conduit 20 is disposed with pneumatic ball valve 23, first filter 24, pressure gauge 25, hand along feedstock direction
Dynamic ball valve 26 and pneumatic control valve.First filter 24 can be filtered the liquefied ammonia in liquefied ammonia conveyance conduit 20, to make
It is purer to obtain the liquefied ammonia entered in liquefied ammonia evaporative component.
The second filter 81 is provided on steam conveying pipe 80.Second filter 81 is filtered steam.
Bracket 11 is provided on pedestal 10, gas ammonia surge tank 50 is arranged on bracket 11.Bracket 11 is by gas ammonia surge tank
50 raise.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (7)
1. a kind of ammonia feeding mechanism for SCR denitration system, which is characterized in that including pedestal, be provided on the pedestal
Liquefied ammonia conveyance conduit, liquefied ammonia evaporative component, ammonia delivery pipe and gas ammonia surge tank；The liquefied ammonia conveyance conduit and liquefied ammonia evaporation group
Part connection, the discharge port of the liquefied ammonia evaporative component are connect with the inlet end of ammonia conveyance conduit, the ammonia conveyance conduit
Outlet side is connect with gas ammonia surge tank, is provided with ammonia outlet on the gas ammonia surge tank；The ammonia feeding mechanism further includes
Exhaust emission pipe, sewage pipe, sewage collecting tank and the steam conveying pipe of steam is provided for liquefied ammonia evaporative component；The blowdown
Pipe is connect to collect the waste water after steam liquefied with liquefied ammonia evaporative component；The exhaust emission pipe and the liquefied ammonia evaporative component
Between be provided with the first safety valve, the outlet of the exhaust emission pipe and the sewage pipe is all arranged in sewage collecting tank.
2. ammonia feeding mechanism as described in claim 1, which is characterized in that the liquefied ammonia evaporative component is steamed including the first liquefied ammonia
Send out device and the second liquid ammonia evaporator.
3. ammonia feeding mechanism as claimed in claim 2, which is characterized in that the liquefied ammonia delivery pipe passes through first pipe and the
The connection of one liquid ammonia evaporator, the liquefied ammonia delivery pipe are connect by second pipe with the second liquid ammonia evaporator, the first pipe
On be provided with the first valve, be provided with the second valve on the second pipe, first liquid ammonia evaporator passes through third pipeline
It is connect with ammonia delivery pipe, second liquid ammonia evaporator is connect by the 4th pipeline with ammonia delivery pipe, the third pipeline
On be provided with third valve, be provided with the 4th valve on the 4th pipeline.
4. ammonia feeding mechanism as described in claim 1, which is characterized in that be provided with discharge exhaust gas on the gas ammonia surge tank
The 5th pipeline, the junction of the 5th pipeline and gas ammonia surge tank is provided with the second safety valve, and the 5th pipeline goes out
Port is connect with exhaust emission pipe.
5. ammonia feeding mechanism as described in claim 1, which is characterized in that the liquefied ammonia conveyance conduit along feedstock direction successively
It is provided with pneumatic ball valve, first filter, pressure gauge, manual ball valve and pneumatic control valve.
6. ammonia feeding mechanism as described in claim 1, which is characterized in that be provided with the second mistake on the steam conveying pipe
Filter.
7. ammonia feeding mechanism as described in claim 1, which is characterized in that be provided with bracket, the gas ammonia on the pedestal
Surge tank is arranged on the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256327.1U CN209612639U (en) | 2018-12-29 | 2018-12-29 | A kind of ammonia feeding mechanism for SCR denitration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256327.1U CN209612639U (en) | 2018-12-29 | 2018-12-29 | A kind of ammonia feeding mechanism for SCR denitration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209612639U true CN209612639U (en) | 2019-11-12 |
Family
ID=68448164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822256327.1U Active CN209612639U (en) | 2018-12-29 | 2018-12-29 | A kind of ammonia feeding mechanism for SCR denitration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209612639U (en) |
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2018
- 2018-12-29 CN CN201822256327.1U patent/CN209612639U/en active Active
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