CN208378410U - A kind of low temperature ammonia decomposition device - Google Patents
A kind of low temperature ammonia decomposition device Download PDFInfo
- Publication number
- CN208378410U CN208378410U CN201820996446.8U CN201820996446U CN208378410U CN 208378410 U CN208378410 U CN 208378410U CN 201820996446 U CN201820996446 U CN 201820996446U CN 208378410 U CN208378410 U CN 208378410U
- Authority
- CN
- China
- Prior art keywords
- pipe
- dore furnace
- ammonia
- low temperature
- air inlet
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 56
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000003245 coal Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of low temperature ammonia decomposition devices, including dore furnace, downtake pipe and second exhaust pipe；One side surface of dore furnace is provided with gas outlet and air inlet, nickel accelerant is provided in the dore furnace, the inlet end of the downtake pipe is connect by air inlet pipe with the gas outlet of the dore furnace, the outlet side of the downtake pipe is connect by escape pipe with external drying purifier, the second exhaust pipe interlude is located in downtake pipe, described second exhaust pipe one end is connect with ammonia source, and the other end is connect with the air inlet of the dore furnace.Nickel touching coal is added in the utility model in dore furnace, decompose dore furnace can by ammonia in 600~650 degree Celsius temperature ranges, improves the service life of dore furnace, thermal energy is greatly saved, improves the safety of ammonia decomposition.
Description
Technical field
The utility model belongs to ammonolysis craft field more particularly to a kind of low temperature ammonia decomposition device.
Background technique
Social now, the industrial gasses equipment development such as ammonia destruction furnace is very fast, be widely used to petrochemical industry, heat treatment,
The various fields such as metallurgy, traditional ammonia destruction furnace need dore furnace to be heated to 750~850 degrees Celsius, and ammonia can just divide later
Solution is at three hydrogen, one nitrogen.
When dore furnace is under 750~850 celsius temperature states, the service life of dore furnace can be greatly diminished, and heat
The consumption of energy increases, while increasing the risk of ammonia decomposition, so need a kind of low temperature ammonia decomposition device.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of low temperature ammonia decomposition device, make dore furnace 600~
Ammonia can be decomposed in 650 degree Celsius temperature ranges, improve the service life of dore furnace, thermal energy is greatly saved, improved
The safety that ammonia decomposes.
In order to achieve the above objectives, the technical solution adopted in the utility model are as follows: a kind of low temperature ammonia decomposition device, including decompose
Furnace, downtake pipe and second exhaust pipe；One side surface of dore furnace is provided with gas outlet and air inlet, in the dore furnace
It is provided with nickel accelerant, the inlet end of the downtake pipe is connect by air inlet pipe with the gas outlet of the dore furnace, and described the
The outlet side of one exhaust pipe is connect by escape pipe with external drying purifier, and the second exhaust pipe interlude is located at first row
Intratracheally, described second exhaust pipe one end is connect with ammonia source, and the other end is connect with the air inlet of the dore furnace.
In one preferred embodiment of the utility model, the downtake pipe and second exhaust pipe are thimble tube structure
Body.
In one preferred embodiment of the utility model, the temperature in the dore furnace is 600~650 degrees Celsius.
In one preferred embodiment of the utility model, the nickel accelerant quantity is several.
In one preferred embodiment of the utility model, it is cold conditions ammonia that the ammonia source, which is passed through the ammonia in second exhaust pipe,
Gas.
In one preferred embodiment of the utility model, the air inlet pipe, downtake pipe, escape pipe and second exhaust pipe are equal
Using high temperature resistant pipe fitting.
The utility model solves defect present in background technique, the utility model have it is following the utility model has the advantages that
(1) nickel accelerant is put into dore furnace, temperature required for decomposing ammonia is reduced, and substantially increases decomposition
The service life of furnace；
(2) cold conditions ammonia is imported in second exhaust pipe, reduces decomposition gas (i.e. after ammonia pyrolytic using cold conditions ammonia
Gas) temperature be discharged so that decomposition gas can be close in room temperature, while cold conditions ammonia is brought rapidly up, and reaches preheating early period
Effect, made full use of so that energy consumption be made to reach, play energy-efficient effect；
(3) second exhaust pipe interlude is set in downtake pipe, guarantees the cold conditions ammonia for being passed through second exhaust pipe
Can smoothly it cool down to decomposition gas；
(4) air inlet pipe, downtake pipe, escape pipe and second exhaust pipe are all made of high temperature resistant pipe fitting, guarantee decomposition gas energy
Enough it is smoothly discharged.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples；
Fig. 1 is the overall structure diagram of the preferred embodiment of the utility model；
Fig. 2 is the portion A enlarged drawing in Fig. 1；
In figure: 1, dore furnace；11, gas outlet；12, air inlet；2, nickel accelerant；3, air inlet pipe；4, downtake pipe；5, go out
Tracheae；6, second exhaust pipe；7, ammonia source.
Specific embodiment
The utility model is described in further detail presently in connection with drawings and examples, these attached drawings are simplified
Schematic diagram only illustrates the basic structure of the utility model in a schematic way, therefore it only shows structure related with the utility model
At.
As depicted in figs. 1 and 2, a kind of low temperature ammonia decomposition device, including dore furnace 1, downtake pipe 4 and second exhaust pipe
6；1 one side surface of dore furnace is provided with gas outlet 11 and air inlet 12, is provided with nickel accelerant 2 in the dore furnace 1, is dividing
It is put into nickel accelerant 2 in solution furnace 1, temperature required for decomposing ammonia is reduced, and substantially increase dore furnace 1 uses the longevity
Life, the inlet end of the downtake pipe 4 are connect by air inlet pipe 3 with the gas outlet 11 of the dore furnace 1, when decomposition gas (i.e.
Gas after ammonia pyrolytic) it is discharged from dore furnace 1, downtake pipe 4, the first exhaust are imported by air inlet pipe 3
The outlet side of pipe 4 is connect by escape pipe 5 with external drying purifier, and decomposition gas is by entering drying after downtake pipe 4
In purifier, through drying purifier, treated that decomposition gas is directly connect with point of use, and 6 interlude of second exhaust pipe is located at
In downtake pipe 4, described 6 one end of second exhaust pipe is connect with ammonia source 7, the air inlet 12 of the other end and the dore furnace 1
Connection.
Specifically, the downtake pipe 4 and second exhaust pipe 6 are thimble tube structural body, thimble tube structure is similar
In helical structure, downtake pipe 4 matches to form heat exchanger with second exhaust pipe 6 in the present invention.
Further, the temperature in the dore furnace 1 is 600~650 degrees Celsius, the use of nickel accelerant 2, it is only necessary to will be divided
Solution furnace 1 is heated to 600~650 degrees Celsius, and the decomposition gas of ammonia can be obtained, greatly improve the service life of dore furnace 1,
Decompose ammonia safer.
Specifically, 2 quantity of nickel accelerant is several, can smoothly be decomposed ammonia using multiple nickel accelerants 2
Temperature is reduced to 600~650 degrees Celsius.
Specifically, it is cold conditions ammonia that the ammonia source 7, which is passed through the ammonia in second exhaust pipe 6, and cold conditions ammonia is imported the
In two exhaust pipes 6, the temperature of decomposition gas is reduced using cold conditions ammonia, is discharged so that decomposition gas can be close in room temperature, while cold
State ammonia is brought rapidly up, and is achieved the effect that early period preheats, is made full use of so that energy consumption be made to reach, play energy-efficient effect, by the
Two exhaust pipes, 6 interlude is set in downtake pipe 4, guarantee be passed through second exhaust pipe 6 cold conditions ammonia can smoothly to point
It vents one's spleen and cools down.
Further, the air inlet pipe 3, downtake pipe 4, escape pipe 5 and second exhaust pipe 6 are all made of high-temperature resistant tube
Part guarantees that the decomposition gas after ammonia decomposes can be smoothly discharged.
To sum up, the utility model is put into several nickel accelerant 2 of quantity in dore furnace 1, ammonia point is smoothly reduced
The temperature of solution has saved the consumption of thermal energy to greatly improve the service life of dore furnace 1, improves ammonia decomposition
Safety, while cold conditions ammonia being imported in second exhaust pipe 6, the temperature of decomposition gas is reduced using cold conditions ammonia, so that decomposing
Gas can be close to be discharged in room temperature, while cold conditions ammonia is brought rapidly up, and is achieved the effect that early period preheats, is filled so that energy consumption be made to reach
Divide and utilize, plays energy-efficient effect.
It is above enlightenment according to the desirable embodiment of the utility model, through the above description, related personnel is complete
Various changes and amendments can be carried out in the range of without departing from this item utility model technical idea.This item utility model
Technical scope be not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (6)
1. a kind of low temperature ammonia decomposition device, it is characterised in that: including dore furnace, downtake pipe and second exhaust pipe；Described point
Solution one side surface of furnace is provided with gas outlet and air inlet, is provided with nickel accelerant in the dore furnace, the downtake pipe into
Gas end is connect by air inlet pipe with the gas outlet of the dore furnace, and the outlet side of the downtake pipe passes through escape pipe and outside
Drying purifier connection, the second exhaust pipe interlude are located in downtake pipe, described second exhaust pipe one end and ammonia
Source connection, the other end are connect with the air inlet of the dore furnace.
2. a kind of low temperature ammonia decomposition device according to claim 1, it is characterised in that: the downtake pipe and second row
Tracheae is thimble tube structural body.
3. a kind of low temperature ammonia decomposition device according to claim 1, it is characterised in that: the temperature in the dore furnace is
600~650 degrees Celsius.
4. a kind of low temperature ammonia decomposition device according to claim 1, it is characterised in that: the nickel accelerant quantity is several
It is a.
5. a kind of low temperature ammonia decomposition device according to claim 1, it is characterised in that: the ammonia source is passed through second exhaust
Ammonia in pipe is cold conditions ammonia.
6. a kind of low temperature ammonia decomposition device according to claim 1, it is characterised in that: the air inlet pipe, downtake pipe,
Escape pipe and second exhaust pipe are all made of high temperature resistant pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996446.8U CN208378410U (en) | 2018-06-27 | 2018-06-27 | A kind of low temperature ammonia decomposition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996446.8U CN208378410U (en) | 2018-06-27 | 2018-06-27 | A kind of low temperature ammonia decomposition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208378410U true CN208378410U (en) | 2019-01-15 |
Family
ID=64965681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820996446.8U Expired - Fee Related CN208378410U (en) | 2018-06-27 | 2018-06-27 | A kind of low temperature ammonia decomposition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208378410U (en) |
-
2018
- 2018-06-27 CN CN201820996446.8U patent/CN208378410U/en not_active Expired - Fee Related
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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: 20190115 |