CN209618879U - A kind of ammonia decomposition device with tail gas water seal arrangement - Google Patents
A kind of ammonia decomposition device with tail gas water seal arrangement Download PDFInfo
- Publication number
- CN209618879U CN209618879U CN201920180050.0U CN201920180050U CN209618879U CN 209618879 U CN209618879 U CN 209618879U CN 201920180050 U CN201920180050 U CN 201920180050U CN 209618879 U CN209618879 U CN 209618879U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- furnace body
- pipe
- flue
- ammonia decomposition
- 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 72
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000009825 accumulation Methods 0.000 claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000003034 coal gas Substances 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 57
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 230000006378 damage Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 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
- 239000003546 flue gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 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
- 210000000232 gallbladder Anatomy 0.000 description 1
- 239000011521 glass Substances 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
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification 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 water seal arrangement, the air inlet pipe and an air outlet pipe being connected to including furnace body, set on the flue of furnace body inner cavity, after furnace body with flue inside, 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；Smoke exhaust pipe is additionally provided on ammonia decomposition device, smoke exhaust pipe is connected to after running through furnace body with flue inside, smoke exhaust pipe rear end is connected with deduster, deduster is connected by tail gas air inlet pipe with sealing radiator, sealing radiator is connected by tail gas escape pipe with tail gas washing tower, tail gas washing tower is equipped with exhaust port, and the rear end of exhaust port is connected with gas piping.The advantages such as there is ammonia decomposition device provided by the utility model flue to be heated evenly, exhaust pipe maintenance is convenient, discharge 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 water seal arrangement 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.
In addition, pipe-line system in the prior art, including pipeline, pipeline is connected to ammonia destruction furnace and raw coke oven gas pipeline, described
It is successively arranged two DN400 butterfly valves on pipeline and tail gas washing tower, tail gas are emerged from ammonia destruction furnace, through piping and butterfly valve, into
Enter tail gas washing tower, finally leads to raw coke oven gas pipeline.The pipe-line system of the structure, during production run, due to running ring
The reason of border, is easy to appear butterfly valve failure, and valve can not switch when grid-connected, to cause the failure of the grid-connected failure of tail gas, sternly
It makes a big impact when weight to ambient enviroment；In addition, need to completely cut off with raw coke oven gas pipeline, not due to valve when exhaust pipe overhauls
Energy normal switching-off, upkeep operation not can be carried out.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of this utility model be to provide for a kind of flue be heated evenly,
The ammonia decomposition device that exhaust pipe maintenance conveniently, after vent gas treatment is discharged again.
The utility model technical scheme applied to solve the technical problem is: a kind of ammonolysis craft with tail gas water seal arrangement
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；Smoke exhaust pipe, the smoke evacuation are additionally provided on the ammonia decomposition device
Pipe is connected to after furnace body with flue inside, and the smoke exhaust pipe rear end is connected with deduster, and the deduster passes through tail gas air inlet pipe
It is connected with sealing radiator, the sealing radiator is connected by tail gas escape pipe with tail gas washing tower, is set on the tail gas washing tower
There is exhaust port, the rear end of the exhaust port is connected with gas piping.
Further, the outlet of the tail gas air inlet pipe is inserted into below the water surface in the sealing radiator, and the tail gas goes out
The import of tracheae is inserted into below the water surface in the sealing radiator, is connected with water inlet line, the water inlet pipe on the sealing radiator
Road is equipped with inlet valve；It is realized by pipeline of the water in the sealing radiator to the tail gas air inlet pipe and tail gas escape pipe close
Envelope.
Further, valve is equipped on the tail gas air inlet pipe and the tail gas escape pipe.
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.The flue gas that the tail gas generated in ammonia decomposable process and combustion chamber generate is logical
Smoke exhaust pipe discharge is crossed, is discharged after deduster dedusting, tail gas washing tower purification.It is arranged between deduster and tail gas washing tower
Sealing radiator is kept away tail gas outlet duct occlusion using the hydraulic pressure that the water body generation of certain volume is greater than or equal to exhaust port
Exempt from gas piping to flow backward to tail gas escape pipe, exhaust pipe is facilitated to overhaul.
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) sealing radiator being arranged between deduster and tail gas washing tower is greater than or waits using the water body generation of certain volume
Tail gas outlet duct occlusion is avoided gas piping from flowing backward to tail gas escape pipe, facilitates exhaust pipe in the hydraulic pressure of exhaust port
Maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1- air valve；2- air inlet pipe；3- furnace body；4- insulating layer；5- smoke exhaust pipe；6- deduster；7- tail gas air inlet pipe；
8- tail gas escape pipe；9- exhaust port；10- tail gas washing tower；11- valve；12- inlet valve；13- water inlet line；14- sealing
Water tank；15- cooled coal gas pipe；16- burner；17- escape pipe；18- pressure gauge；The combustion chamber 19-；20- heat accumulation plate；21- flue.
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 water seal arrangement, the ammonia decomposition device include furnace body 3, set
In the flue 21 of 3 inner cavity of furnace body, after furnace body 3 with the air inlet pipe 2 and escape pipe 17 that are connected to inside flue 21, the air inlet
Air valve 1 is equipped at the nozzle of pipe 2 and escape pipe 17.The air inlet pipe 2 is set to the top of the furnace body 3, and the air inlet pipe 2 is passed through
Wear after the furnace body 3 be connected to inside the flue 21；The escape pipe 17 is set to the bottom of the furnace body 3, the escape pipe
17 after the furnace body 3 be connected to inside the flue 21.The lower, transverse of 3 inner cavity of furnace body is equipped with heat accumulation plate 20, institute
It states heat accumulation plate 20 and 3 inner cavity of furnace body is divided into upper and lower two parts, the top of 3 inner cavity of furnace body is equipped with flue 21, described
The lower part of 3 inner cavity of furnace body is equipped with combustion chamber 19, and the side wall of the combustion chamber 19 is equipped with cooled coal gas pipe 15, sets on cooled coal gas pipe 15
There is burner 16.The inner wall of the furnace body 3 is equipped with insulating layer 4.21 inner wall of flue is equipped with for detecting inside flue 21
The pressure gauge 18 of pressure change.Heat accumulation plate 20 is set in furnace body 3, flue 21 is set above heat accumulation plate 20, is set below heat accumulation plate 20
Combustion chamber 19 is set, generating heat by burning cooled coal gas in combustion chamber 19 can be more uniformly after heat passes through heat accumulation plate 20
The periphery for acting on flue 21, improves the thermal efficiency and heating uniformity.
Be additionally provided with smoke exhaust pipe 5 on the ammonia decomposition device, the smoke exhaust pipe 5 run through after furnace body 3 be connected to inside flue 21,
5 rear end of smoke exhaust pipe is connected with deduster 6, and the deduster 6 is connected by tail gas air inlet pipe 7 with sealing radiator 14, described close
Seal water tank 14 is connected by tail gas escape pipe 8 with tail gas washing tower 10, and the tail gas washing tower 10 is equipped with exhaust port 9,
The rear end of the exhaust port 9 is connected with gas piping.The outlet of the tail gas air inlet pipe 7 is inserted into the sealing radiator 14
The water surface below, the import of the tail gas escape pipe 8 is inserted into below the water surface in the sealing radiator 14, the sealing radiator 14
On be connected with water inlet line 13, the water inlet line 13 is equipped with inlet valve 12；By the water in the sealing radiator 14 to described
The pipeline of tail gas air inlet pipe 7 and tail gas escape pipe 8 realizes sealing.It is all provided on the tail gas air inlet pipe 7 and the tail gas escape pipe 8
There is valve 11.
In use, ammonia is entered in flue 21 by air inlet pipe 2, cooled coal gas enters combustion chamber 19 by cooled coal gas pipe 15,
Cooled coal gas is lighted by burner 16, the heat in combustion chamber 19 is equably heated to flue 21 by heat accumulation plate 20, flue 21
After interior ammonia is heated, hydrogen and nitrogen are resolved under the effect of the catalyst, the hydrogen and nitrogen of generation are through 17 row of escape pipe
Out.21 inner wall of flue is equipped with pressure gauge 18, for detecting the pressure change inside flue 21.It is generated in ammonia decomposable process
The flue gas that tail gas and combustion chamber 19 generate is discharged by smoke exhaust pipe 5, after 6 dedusting of deduster, tail gas washing tower 10 purify
Discharge.The sealing radiator 14 being arranged between deduster 6 and tail gas washing tower 10 is greater than or waits using the water body generation of certain volume
In the hydraulic pressure of exhaust port 9, tail gas escape pipe 8 is closed, avoids gas piping from flowing backward to tail gas escape pipe 8, facilitates tail gas
Tubular service.
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 (7)
1. a kind of ammonia decomposition device with tail gas water seal arrangement, 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；Smoke exhaust pipe is additionally provided on the ammonia decomposition device, the smoke exhaust pipe is connected to after running through furnace body with flue inside, described
Smoke exhaust pipe rear end is connected with deduster, and the deduster is connected by tail gas air inlet pipe with sealing radiator, and the sealing radiator passes through
Tail gas escape pipe is connected with tail gas washing tower, and the tail gas washing tower is equipped with exhaust port, after the exhaust port
End is connected with gas piping.
2. a kind of ammonia decomposition device with tail gas water seal arrangement according to claim 1, it is characterised in that: the tail gas
The outlet of air inlet pipe is inserted into below the water surface in the sealing radiator, and the sealing radiator is inserted into the import of the tail gas escape pipe
Below the interior water surface, water inlet line is connected on the sealing radiator, the water inlet line is equipped with inlet valve；Pass through the sealing
Water in water tank realizes sealing to the pipeline of the tail gas air inlet pipe and tail gas escape pipe.
3. a kind of ammonia decomposition device with tail gas water seal arrangement according to claim 1 or 2, it is characterised in that: described
Valve is equipped on tail gas air inlet pipe and the tail gas escape pipe.
4. a kind of ammonia decomposition device with tail gas water seal arrangement according to claim 1, it is characterised in that: the furnace body
Inner wall be equipped with insulating layer.
5. a kind of ammonia decomposition device with tail gas water seal arrangement 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.
6. a kind of ammonia decomposition device with tail gas water seal arrangement 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.
7. a kind of ammonia decomposition device with tail gas water seal arrangement according to claim 1 or 6, 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 |
|---|---|---|---|
| CN201920180050.0U CN209618879U (en) | 2019-02-01 | 2019-02-01 | A kind of ammonia decomposition device with tail gas water seal arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180050.0U CN209618879U (en) | 2019-02-01 | 2019-02-01 | A kind of ammonia decomposition device with tail gas water seal arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209618879U true CN209618879U (en) | 2019-11-12 |
Family
ID=68452998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920180050.0U Expired - Fee Related CN209618879U (en) | 2019-02-01 | 2019-02-01 | A kind of ammonia decomposition device with tail gas water seal arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209618879U (en) |
-
2019
- 2019-02-01 CN CN201920180050.0U patent/CN209618879U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |