CN209618878U - A kind of ammonia decomposition device with tail gas purifying function - Google Patents
A kind of ammonia decomposition device with tail gas purifying function Download PDFInfo
- Publication number
- CN209618878U CN209618878U CN201920180048.3U CN201920180048U CN209618878U CN 209618878 U CN209618878 U CN 209618878U CN 201920180048 U CN201920180048 U CN 201920180048U CN 209618878 U CN209618878 U CN 209618878U
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- China
- Prior art keywords
- furnace body
- flue
- air
- pipe
- 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
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 42
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 25
- 238000012856 packing Methods 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 24
- 239000003034 coal gas Substances 0.000 claims abstract description 22
- 238000009825 accumulation Methods 0.000 claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 37
- 238000007906 compression Methods 0.000 claims description 37
- 239000000945 filler Substances 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000005915 ammonolysis reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 210000000232 gallbladder Anatomy 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of ammonia decomposition devices with tail gas purifying function, including furnace body, flue, air inlet pipe and an air outlet pipe, the lower, transverse of furnace body inner cavity is equipped with heat accumulation plate, furnace body inner cavity is divided into upper and lower two parts by heat accumulation plate, the top of furnace body inner cavity is equipped with flue, the lower part of furnace body inner cavity is equipped with combustion chamber, and the side wall of combustion chamber is equipped with cooled coal gas pipe, and cooled coal gas pipe is equipped with burner；Tail gas processing mechanism includes smoke exhaust pipe, deduster and cabinet, and smoke exhaust pipe is connected to after running through furnace body with flue inside, and deduster is set between cabinet and furnace body；Middle part is equipped at least one packing area in cabinet, and the top of each packing area is equipped at least one spray head, and the lower section of packing area is circulation tank, and the water recycled in tank is delivered to each spray head through spray tube by water pump；The top of cabinet is equipped with exhaust port.The utility model has the advantages such as can be achieved Isobarically Control, flue is heated evenly, discharges again after vent gas treatment.
Description
Technical field
The utility model relates to a kind of ammonia decomposition devices, concretely relate to a kind of ammonia with tail gas purifying function point
Solve device.
Background technique
At this stage, the industrial gasses equipment development such as ammonia destruction furnace is very fast, is widely used to petrochemical industry, chemical fibre, Re Chu
The various fields such as reason, metallurgy, glass, food, medicine, electronics, national defence space flight, aviation.Ammonia destruction furnace relatively conventional at present,
Structure generally comprises liner cabinet, the tracheae being arranged on liner cabinet, the flue being arranged in liner cabinet, at least one gas
Pipe is connected with the top of each flue respectively as air inlet pipe, and at least one tracheae is as the escape pipe bottom with each flue respectively
It is connected, is provided with electric furnace heating wire in the side of flue to be heated at high temperature to flue, so that ammonia enters each furnace from air inlet pipe
Carry out pyrolytic under the action of catalyst after gallbladder in flue and form the mixed gas of ammonia and nitrogen, mixed gas from
Escape pipe discharge.That objectively there is processing and manufacturing difficulties is big for the ammonia destruction furnace of such structure, flue is heated not enough uniformly, unit
Energy consumption height, the damage easy to aging of furnace body electric furnace heating wire, repair and replacement are difficult, after fuel gas buring the problems such as exhaust emissions.
Application No. is disclosing a kind of ammonia destruction furnace in 201320845930.8 utility model patents, including furnace body, flue,
Air inlet pipe, escape pipe and control panel, flue are arranged in furnace body, and air inlet pipe and an air outlet pipe is connected to flue respectively, furnace body bottom
Portion is connected with cooled coal gas pipeline, is equipped with burner in cooled coal gas pipeline input end, burner is connect with control panel conducting wire.Passing through will
Cooled coal gas is passed through brick furnace body, lights cooled coal gas using burner and carries out flue heating, and liquefied ammonia inputs flue by air inlet pipe,
It carries out decomposing in flue and generates hydrogen and nitrogen, the mixed gas of hydrogen and nitrogen is by escape pipe output, according to temperature measurer
The temperature signal of detection, control panel carry out automatically controlling cooled coal gas heating source.However, above-mentioned ammonia decomposition device cannot achieve
Isobarically Control.
Application No. is a kind of Isobarically Control ammonolysis craft processing dress is disclosed in the utility model patent of 201820159365 .2
It sets comprising furnace body, flue, pedestal, the furnace body are fixed on above the pedestal, and the flue is set in the furnace body
Portion further includes controller, air compressor, air compressed pipe, air inlet pipe, escape pipe and air compression plate.Above-mentioned ammonolysis craft
Device can reach Isobarically Control to a certain extent, but the tail gas problem generated during ammonolysis craft is still unable to get solution
Certainly.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of this utility model is to provide for a kind of achievable constant pressure control
The ammonia decomposition device that system, flue are heated evenly, discharge again after vent gas treatment.
The utility model technical scheme applied to solve the technical problem is: a kind of ammonolysis craft with tail gas purifying function
Device, the ammonia decomposition device include furnace body, set on the flue of furnace body inner cavity, after furnace body with the air inlet that is connected to inside flue
The lower, transverse of pipe and escape pipe, the furnace body inner cavity is equipped with heat accumulation plate, and the furnace body inner cavity is divided into above and below by the heat accumulation plate
Two parts, the top of the furnace body inner cavity are equipped with flue, and the lower part of the furnace body inner cavity is equipped with combustion chamber, the combustion chamber
Side wall is equipped with cooled coal gas pipe, and cooled coal gas pipe is equipped with burner；The ammonia decomposition device further includes tail gas processing mechanism, described
Tail gas processing mechanism includes smoke exhaust pipe, deduster and cabinet, and the smoke exhaust pipe is connected to after running through furnace body with flue inside, described to remove
Dirt device is set between the cabinet and the furnace body；Middle part is equipped at least one packing area in the cabinet, and each described fills out
Expect that the top in area is equipped at least one spray head, the lower section of the packing area is to recycle tank, in the circulation tank
Water is delivered to each spray head through spray tube by water pump；The top of the cabinet is equipped with exhaust port.
Further, the ammonia decomposition device further includes air compressing mechanism, and the air compressing mechanism includes air pressure
Contracting machine, air compressed pipe and air compression plate, the air compression plate are set in the flue, the both ends of the air compression plate
It is slidably bonded with the inboard wall of furnace, the air compression plate is connected by air compressed pipe with air compressor.
Further, air compression plug, the air pressure are equipped between the air compressed pipe and the air compression plate
Contracting plug is set in the furnace body, and the air compression plug is connected through the flue with the side of the air compression plate.
Further, the packing area includes the first packing area and the second packing area, is set above first packing area
There is at least one first spray head, the top of second packing area is equipped at least one second spray head；The cabinet is upper
It is equipped with inlet exhaust gas in the lower section of the first packing area, the top of first packing area passes through appendix and second packing area
Lower section be connected；The exhaust port is set to the top of second packing area.
Further, the inner wall of the furnace body is equipped with insulating layer.
Further, the inboard wall of furnace is equipped with the pressure gauge for detecting the variation of flue internal pressure.
Further, air valve is equipped at the nozzle of the air inlet pipe and an air outlet pipe.
Further, the air inlet pipe be set to the furnace body top, the air inlet pipe run through the furnace body after with it is described
Connection inside flue；The escape pipe be set to the furnace body bottom, the escape pipe run through the furnace body after with the flue
Inside connection.
In use, ammonia is entered in flue by air inlet pipe, cooled coal gas enters combustion chamber by cooled coal gas pipe, passes through burning
Device lights cooled coal gas, and the indoor heat that burns equably is heated to flue by heat accumulation plate, after the ammonia in flue is heated, is urging
Hydrogen and nitrogen are resolved under the action of agent, the hydrogen and nitrogen of generation are discharged through escape pipe.Inboard wall of furnace is equipped with pressure
Meter, for detecting the pressure change inside flue, when the pressure in flue changes, air compressor is started to work, pressure
The air of contracting is applied in air compression plate by air compressed pipe, and air compression plate is pushed to move back and forth in the horizontal direction,
With the movement of air compression plate, the real reaction space in flue changes, to keep the ammonia in flue constant
Pressure under decomposed.The flue gas that the tail gas generated in ammonia decomposable process and combustion chamber generate is discharged by smoke exhaust pipe,
Successively pass through deduster, water spray cabinet, is purified the tail gas finally discharged.
The beneficial effects of the utility model are: compared with prior art, ammonia decomposition device provided by the utility model has
Following advantage:
1) heat accumulation plate is set in furnace body, flue is set above heat accumulation plate, combustion chamber is set below heat accumulation plate, is led in combustion chamber
It crosses burning cooled coal gas and generates heat, heat is by can more uniformly act on the periphery of flue, improve heat after heat accumulation plate
Efficiency and heating uniformity；
2) it is provided with air compressing mechanism, pushes air compression plate to move back and forth by compressed air, keeps in flue
Constant reaction pressure；
3) it is provided with tail gas processing mechanism, the tail gas of generation successively passes through deduster, water spray cabinet, is purified processing
Tail gas afterwards, it is more environmentally-friendly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1- air compressor；2- air compressed pipe；3- air compression plug；4- air compression plate；5- flue；6- gas
Valve；7- air inlet pipe；8- furnace body；9- insulating layer；10- smoke exhaust pipe；11- deduster；12- cabinet；The first spray head of 13-；14- tail gas
Discharge outlet；The second spray head of 15-；16- spray tube；The second packing area 17-；18- water pump；19- recycles tank；20- appendix；
The first packing area 21-；22- pressure gauge；23- escape pipe；24- burner；25- cooled coal gas pipe；The combustion chamber 26-；27- heat accumulation plate.
Specific embodiment
For the content of specific explanations the utility model, the utility model is retouched in detail in conjunction with attached drawing and specific embodiment
It states.
Embodiment 1
As shown in Figure 1, a kind of ammonia decomposition device with tail gas purifying function, the ammonia decomposition device include furnace body 8, set
In the flue 5 of 8 inner cavity of furnace body, after furnace body 8 with the air inlet pipe 7 and escape pipe 23 that are connected to inside flue 5, the air inlet pipe
7 and escape pipe 23 nozzle at be equipped with air valve 6.The air inlet pipe 7 is set to the top of the furnace body 8, and the air inlet pipe 7 runs through
It is connected to after the furnace body 8 with inside the flue 5；The escape pipe 23 is set to the bottom of the furnace body 8, and the escape pipe 23 passes through
Wear after the furnace body 8 be connected to inside the flue 5.The inner wall of the furnace body 8 is equipped with insulating layer 9.5 inner wall of flue is set
There is the pressure gauge 22 for detecting the variation of 5 internal pressure of flue.The lower, transverse of 8 inner cavity of furnace body is equipped with heat accumulation plate 27, institute
It states heat accumulation plate 27 and 8 inner cavity of furnace body is divided into upper and lower two parts, the top of 8 inner cavity of furnace body is equipped with flue 5, described
The lower part of 8 inner cavity of furnace body is equipped with combustion chamber 26, and the side wall of the combustion chamber 26 is equipped with cooled coal gas pipe 25, sets on cooled coal gas pipe 25
There is burner 24；The ammonia decomposition device further includes tail gas processing mechanism, and the tail gas processing mechanism includes smoke exhaust pipe 10, dedusting
Device 11 and cabinet 12, the smoke exhaust pipe 10 run through furnace body 8 after be connected to inside flue 5, the deduster 11 be set to the cabinet
Between 12 and the furnace body 8.Middle part is equipped with packing area in the cabinet 12, and the packing area includes the first packing area 21 and second
Packing area 17, the top of first packing area 21 are equipped at least one first spray head 13, second packing area 17 it is upper
Side is equipped at least one second spray head 15；Lower section on the cabinet 12 positioned at the first packing area 21 is equipped with inlet exhaust gas, institute
The top for stating the first packing area 21 is connected by appendix 20 with the lower section of second packing area 17；The exhaust port 14
Set on the top of second packing area 17.The lower section of the packing area is to recycle tank 19, in the circulation tank 19
Water each spray head through spray tube 16 is delivered to by water pump 18；The top of the cabinet 12 is equipped with exhaust port 14.
The ammonia decomposition device further includes air compressing mechanism, and the air compressing mechanism includes air compressor 1, air
Compressed pipe 2 and air compression plate 4, the air compression plate 4 are set in the flue 5, the both ends of the air compression plate 4 and institute
It states 5 inner wall of flue to be slidably bonded, the air compression plate 4 is connected by air compressed pipe 2 with air compressor 1.The sky
Air compression plug 3 is equipped between the air pressure draw 2 and the air compression plate 4, the air compression plug 3 is set in the furnace body 8,
The air compression plug 3 is connected through the flue 5 with the side of the air compression plate 4.
In use, ammonia is entered in flue 5 by air inlet pipe 7, cooled coal gas enters combustion chamber 26 by cooled coal gas pipe 25, leads to
It crosses burner 24 and lights cooled coal gas, the heat in combustion chamber 26 is equably heated to flue 5 by heat accumulation plate 27, in flue 5
After ammonia is heated, hydrogen and nitrogen are resolved under the effect of the catalyst, the hydrogen and nitrogen of generation are discharged through escape pipe 23.Furnace
5 inner wall of gallbladder is equipped with pressure gauge 22, for detecting the pressure change inside flue 5, when the pressure in flue 5 changes,
Air compressor 1 is started to work, and the air of compression is applied in air compression plate 4 by air compressed pipe 2, pushes air compression
Plate 4 moves back and forth in the horizontal direction, and with the movement of air compression plate 4, the real reaction space in flue 5 changes,
To keep the ammonia in flue 5 to be decomposed under constant pressure.The tail gas generated in ammonia decomposable process and burning
The flue gas that room 26 generates is discharged by smoke exhaust pipe 10, is successively passed through deduster 11, water spray cabinet 12, is made the tail gas finally discharged
It is purified.
Ammonia decomposition device provided by the utility model has following advantage:
1) heat accumulation plate 27 is set in furnace body 8, flue 5 is set above heat accumulation plate 27, combustion chamber 26 is set below heat accumulation plate 27,
Flue 5 can more uniformly be acted on by generating heat after heat passes through heat accumulation plate 27 by burning cooled coal gas in combustion chamber 26
Periphery, improve the thermal efficiency and heating uniformity；
2) it is provided with air compressing mechanism, pushes air compression plate 4 to move back and forth by compressed air, keeps in flue 5
Constant reaction pressure；
3) it is provided with tail gas processing mechanism, the tail gas of generation successively passes through deduster 11, water spray cabinet 12, is purified
Treated tail gas, it is more environmentally-friendly.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model, the scope of patent protection of the utility model is answered
It is defined by the claims.
Claims (8)
1. a kind of ammonia decomposition device with tail gas purifying function, the ammonia decomposition device includes furnace body, set on furnace body inner cavity
Flue, the air inlet pipe and an air outlet pipe being connected to after furnace body with flue inside, it is characterised in that: the lower lateral of the furnace body inner cavity
To heat accumulation plate is equipped with, the furnace body inner cavity is divided into upper and lower two parts by the heat accumulation plate, and the top of the furnace body inner cavity is equipped with
Flue, the lower part of the furnace body inner cavity are equipped with combustion chamber, and the side wall of the combustion chamber is equipped with cooled coal gas pipe, cooled coal gas Guan Shangshe
There is burner；The ammonia decomposition device further includes tail gas processing mechanism, the tail gas processing mechanism include smoke exhaust pipe, deduster and
Cabinet, the smoke exhaust pipe are connected to after running through furnace body with flue inside, and the deduster is set between the cabinet and the furnace body；
Middle part is equipped at least one packing area in the cabinet, and the top of each packing area is equipped at least one spray head, institute
The lower section of packing area is stated as circulation tank, the water in the circulation tank is delivered to each spray through spray tube by water pump
Head；The top of the cabinet is equipped with exhaust port.
2. a kind of ammonia decomposition device with tail gas purifying function according to claim 1, it is characterised in that: the ammonia point
Solving device further includes air compressing mechanism, and the air compressing mechanism includes air compressor, air compressed pipe and air compression
Plate, the air compression plate are set in the flue, and the both ends of the air compression plate are slidably bonded with the inboard wall of furnace,
The air compression plate is connected by air compressed pipe with air compressor.
3. a kind of ammonia decomposition device with tail gas purifying function according to claim 2, it is characterised in that: the air
Air compression plug is equipped between compressed pipe and the air compression plate, the air compression plug is set in the furnace body, the sky
Air pressure contracting plug is connected through the flue with the side of the air compression plate.
4. a kind of ammonia decomposition device with tail gas purifying function according to claim 1, it is characterised in that: the filler
Area includes the first packing area and the second packing area, and the top of first packing area is equipped at least one first spray head, described
The top of second packing area is equipped at least one second spray head；Lower section on the cabinet positioned at the first packing area is equipped with tail gas
The top of import, first packing area is connected by appendix with the lower section of second packing area；The exhaust port
Set on the top of second packing area.
5. a kind of ammonia decomposition device with tail gas purifying function according to claim 1, it is characterised in that: the furnace body
Inner wall be equipped with insulating layer.
6. a kind of ammonia decomposition device with tail gas purifying function according to claim 1, it is characterised in that: the flue
Inner wall is equipped with the pressure gauge for detecting the variation of flue internal pressure.
7. a kind of ammonia decomposition device with tail gas purifying function according to claim 1, it is characterised in that: it is described into
Air valve is equipped at the nozzle of tracheae and escape pipe.
8. a kind of ammonia decomposition device with tail gas purifying function according to claim 1 or claim 7, it is characterised in that: described
Air inlet pipe is set to the top of the furnace body, and the air inlet pipe is connected to after running through the furnace body with the flue inside；The outlet
Pipe is set to the bottom of the furnace body, and the escape pipe is connected to after running through the furnace body with the flue inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180048.3U CN209618878U (en) | 2019-02-01 | 2019-02-01 | A kind of ammonia decomposition device with tail gas purifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180048.3U CN209618878U (en) | 2019-02-01 | 2019-02-01 | A kind of ammonia decomposition device with tail gas purifying function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209618878U true CN209618878U (en) | 2019-11-12 |
Family
ID=68452996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920180048.3U Expired - Fee Related CN209618878U (en) | 2019-02-01 | 2019-02-01 | A kind of ammonia decomposition device with tail gas purifying function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209618878U (en) |
-
2019
- 2019-02-01 CN CN201920180048.3U patent/CN209618878U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |