CN209367799U - Water vapour hydrocarbon reformation preparing hydrogen conversion system - Google Patents
Water vapour hydrocarbon reformation preparing hydrogen conversion system Download PDFInfo
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- CN209367799U CN209367799U CN201821721544.7U CN201821721544U CN209367799U CN 209367799 U CN209367799 U CN 209367799U CN 201821721544 U CN201821721544 U CN 201821721544U CN 209367799 U CN209367799 U CN 209367799U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 100
- 239000001257 hydrogen Substances 0.000 title claims abstract description 87
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 87
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 27
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 27
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 90
- 238000005338 heat storage Methods 0.000 claims abstract description 58
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 230000009466 transformation Effects 0.000 claims description 20
- 238000002485 combustion reaction Methods 0.000 claims description 18
- 239000000446 fuel Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 8
- 238000006477 desulfuration reaction Methods 0.000 claims description 8
- 230000023556 desulfurization Effects 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 125000001741 organic sulfur group Chemical group 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 natural gas Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006057 reforming reaction Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 239000011787 zinc oxide 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Hydrogen, Water And Hydrids (AREA)
Abstract
The utility model discloses a kind of water vapour hydrocarbon reformation preparing hydrogen conversion systems, comprising: reburner and conversion gas utilize component.Reburner includes: furnace body, interior to be equipped with radiant burner room, is equipped with upper set pipe, reformer tube and lower concetrated pipe in the radiant burner room；Heat-storage type burner is arranged in the opposite two side walls of radiant burner room；And reversal valve, by furnace body air and flue gas commutate so that heat-storage type burner in two side walls switches burning.It includes: heat exchanger that gas, which is converted, using component, connects upper set pipe and lower concetrated pipe, hydrogen feedstock enter upper set pipe by heat exchanger, conversion gas is formed after reformer tube, which enters heat exchanger by lower concetrated pipe and hydrogen feedstock exchanges heat.In the utility model, flue gas heat is completely used for air preheat, preheats hydrogen feedstock using conversion gas, improves Radiative heat transfer in furnace efficiency, more uniform using thermo parameters method in heat-storage type burner reburner.
Description
Technical field
The utility model relates to hydrogen production conversion field, in particular to a kind of water vapour hydrocarbon reformation preparing hydrogen conversion system.
Background technique
With gradually increasing for oil plant hydrogenation plant, the demand to hydrogen is also more and more, so that device for producing hydrogen also phase
It should develop quickly.The hydrogen production process that large size device for producing hydrogen uses at present is mostly lighter hydrocarbons Steam Reforming method, and the raw material utilized is more
For light hydrocarbons such as natural gas, refinery gas, naphthas.These lighter hydrocarbons condition existing for specific temperature, pressure and catalyst
Under, it reacts with water vapour, generates hydrogen, carbon monoxide.Reburner is the reactor of device for producing hydrogen conversion reaction, belongs to dress
The heart equipment set.Since conversion reaction is strong endothermic reaction, required a large amount of thermal energy are that pipe is passed to outside pipe by tube wall
Interior reaction system, therefore reburner is both that a fixed-bed tube reactor and one can provide the heating of amount of heat
Equipment.As the core equipment of hydrogen production conversion technique, the heating efficiency for improving reburner is of great significance.
Conventional radiation formula reburner is converted into hydrogen output for fully enter energy 50%, converts overheat for 50% energy
Steam.Wherein, the 40% of institute's producing steam is utilized for autoreactivity, remaining 60% outer defeated steam of conduct, energy utilization is not reasonable, together
When use natural gas or oil refinery dry gas as fuel occur steam cost it is high, uneconomical.It is a kind of novel it is therefore desirable to develop
Hydrogen production conversion technique reduces device steam exhaling amount, and more heats are for improving fuel utilization efficiency in combustion process.
The utility model patent of Publication No. CN201678443U discloses a kind of heat accumulation type combustion hydrocarbon steam converting furnace,
Its heat-accumulation combustion mode is applied on steam reformer, and objective for implementation is absorbed in reburner itself, using smoke pre-heating material,
For not related to using the heat utilization after heat-accumulation combustion；The application for a patent for invention of Publication No. CN105752929A discloses
A kind of hydrogen manufacturing conversion furnace, which employs casing type converting furnace pipes, although further recycled the heat of reaction effluent,
It is inadequate along burner hearth axial component Uniformity of Temperature Field due to there is burner hearth local high temperature zone using traditional combustion mode.
Therefore, a kind of hydrogen production conversion system is needed, to reduce device steam exhaling amount, more heats are used in combustion process,
Improve fuel utilization efficiency.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of water vapour hydrocarbon reformation preparing hydrogen conversion systems, so as to improve existing skill
Hydrogen production conversion system capacity utilizes unreasonable problem in art.
To achieve the above object, the utility model provides a kind of water vapour hydrocarbon reformation preparing hydrogen conversion system, comprising: turns
Change furnace and conversion gas utilizes component.Reburner includes: furnace body, interior to be equipped with radiant burner room, is set in the radiant burner room
There are upper set pipe, reformer tube and lower concetrated pipe；Opposite two side of radiant burner room is arranged in heat-storage type burner
On wall；And reversal valve, by furnace body air and flue gas commutate so that the heat-storage type burner in two side walls is cut
Change burning.It includes: heat exchanger that gas, which is converted, using component, connects upper set pipe and lower concetrated pipe, hydrogen feedstock pass through heat exchanger
Into upper set pipe, conversion gas is formed after reformer tube, which enters heat exchanger by lower concetrated pipe and hydrogen manufacturing is former
Material heat exchange.
Further, in the above-mentioned technical solutions, conversion gas utilize component further include: feed preheater, hydrogenator and
Desulfurization reactor, wherein it is preprocessed that hydrogen feedstock successively passes through feed preheater, hydrogenator and desulfurization reactor generation
Hydrogen feedstock, pretreated hydrogen feedstock enters upper set pipe by heat exchanger；Conversion gas sequentially enters heat exchanger and original
Expect that preheater and hydrogen feedstock exchange heat.
Further, in the above-mentioned technical solutions, conversion gas utilizes component further include: steam superheater, with raw material preheating
Device, heat exchanger are connected；And first steam generator, it is connected with steam superheater, conversion gas passes through feed preheater
Steam superheater and the first steam generator are sequentially entered, gas is converted and generates steam with water heat exchange in the first steam generator,
The steam enters steam superheater and conversion gas therein exchanges heat, and generates superheated steam and enters heat exchanger.
Further, in the above-mentioned technical solutions, conversion gas utilizes component further include: middle temperature transformation device, with the first steam
Generator is connected, and conversion gas enters middle temperature transformation device by the first steam generator, generates middle temperature transformation gas；And second steam
Vapour generator is connected with middle temperature transformation device, and middle temperature transformation gas enters the second steam generator and water heat exchange generates steam, should
The steam that steam and the first steam generator generate is mixed into steam superheater and conversion gas therein exchanges heat, and generates overheat and steams
Vapour, the superheated steam and pretreated hydrogen feedstock are mixed into heat exchanger.
Further, in the above-mentioned technical solutions, conversion gas utilizes component further include: low temperature shift converters, with the second steam
Generator is connected, and middle temperature transformation gas enters low temperature shift converters by the second steam generator, generates low-temperature conversion gas；And water
Preheater is connected with low temperature shift converters, and low-temperature conversion gas enters water preheater, and preheated water enters the first steam generation
Device and the second steam generator.
Further, in the above-mentioned technical solutions, system further includes purification component, which includes: cooler, with
Water preheater is connected, and low-temperature conversion gas enters cooler by water preheater, generates cooling air；Liquid separation tank, with cooler
It is connected, cooling air enters liquid separation tank and carries out gas-liquid separation；And PSA device, it is connected with liquid separation tank, is separated through liquid separation tank
Gas afterwards enters the purification of PSA device, generates hydrogen and tail gas.
Further, in the above-mentioned technical solutions, tail gas is connected with the fuel inlet of heat-storage type burner.
Further, in the above-mentioned technical solutions, reversal valve is connected with air blower and air-introduced machine, and air blower is by air by changing
It is blown into the heat-storage type burner on one of side wall to valve, the heat storage type combustion under the suction of air-introduced machine, on another side wall
The flue gas that device generates is discharged into chimney by reversal valve.
Further, in the above-mentioned technical solutions, air is absorbed heat by the heat storage of the heat-storage type burner on a side wall；Cigarette
The heat storage heat release of heat-storage type burner of the gas on another side wall.
Further, in the above-mentioned technical solutions, the heat-storage type burner in two side walls is symmetrical arranged.
Compared with prior art, the utility model has the following beneficial effects:
1. the flue gas heat of reburner discharge is completely used for air preheat, hydrogen feedstock is preheated using conversion gas, is improved
Radiative heat transfer in furnace efficiency, it is more uniform using thermo parameters method in heat-storage type burner reburner.
2. realize that ladder rationally utilizes according to the temperature change of conversion gas, by most of base feed of heat energy,
Remaining part point is used to occur steam and heating water supply, effectively reduces pyrolytic conversion gas and water supply heat exchange after reacting and steam occurs
Loss, the energy utilization for improving conversion gas are horizontal.
3. the fuel chemical energy of high-quality is completely used for reforming hydrogen production reaction as far as possible, low-grade heat is converted
The heat of gas is used to heat raw material and steam occurs, and improves energy utilization quality and efficiency, has reached consuming energy according to its quality, can use up it
Purpose significantly improves compared to traditional hydrogen production conversion system hydrogen manufacturing conversion furnace of the present invention and its system economy, reduces not
Necessary steam output.
4. the online replacement of heat storage may be implemented in a heat-storage type burner more than, guarantees the online heat storage for removing breakage,
New heat storage can be added online simultaneously, guarantee accumulation of heat and emission capacity inside regenerative chamber in time.
Above description is only the general introduction of technical solutions of the utility model, in order to more clearly understand the utility model
Technological means can be simultaneously practiced according to the content of specification, while above and other purpose, skill in order to make the utility model
Art feature and advantage are more understandable, are exemplified below one or more preferred embodiments, and be described in detail with the accompanying drawings as follows.
Detailed description of the invention
Fig. 1 is the schematic diagram of the water vapour hydrocarbon reformation preparing hydrogen conversion system of an embodiment according to the present utility model.
Fig. 2 is the working principle diagram of the reversal valve of an embodiment according to the present utility model.
Fig. 3 is the schematic side view of the reburner of an embodiment according to the present utility model.
Fig. 4 is another schematic side view of the reburner of an embodiment according to the present utility model.
Fig. 5 is the structural schematic diagram of the heat-storage type burner of an embodiment according to the present utility model.
Fig. 6 is the schematic side view of the heat-storage type burner of an embodiment according to the present utility model.
Main appended drawing reference explanation:
1- feed preheater, 2- hydrogenator, 3- desulfurization reactor, 4- heat exchanger, 5- reburner, 51- furnace body, 511-
Upper set pipe, concetrated pipe under 512-, 513- reformer tube, 52- heat-storage type burner, 521- heat storage, 522- air/smoke enter
Mouthful, 523- fuel inlet, 524- air/smoke spout, 525- fuel nozzle ports, 53- reversal valve, 531- air blower, 532- air inducing
Machine, 6- steam superheater, the first steam generator of 7-, 8- middle temperature transformation device, the second steam generator of 9-, 10- low temperature shift converters,
11- water preheater, 12- cooler, 13- liquid separation tank, 14-PSA device.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Explicitly indicate that, otherwise in entire disclosure and claims, term " includes " or its change unless otherwise other
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other yuan
Part or other components.
Herein, for convenience of description, spatially relative term can be used, such as " following ", " lower section ", "lower",
" above ", " top ", "upper" etc., to describe an elements or features and the relationship of another elements or features in the accompanying drawings.Ying Li
Solution, spatially relative term are intended to comprising the not Tongfang of object in use or operation other than direction painted in figure
To.For example, the element for being described as be in other elements or feature " lower section " or "lower" will if the object in figure is reversed
Orientation is in " top " of elements or features.Therefore, exemplary term " lower section " may include following above and both direction.Object
There can also be other orientations (be rotated by 90 ° or other are orientated) and reply spatially relative term used herein makes corresponding solution
It releases.
Herein, term " first ", " second " etc. be distinguishing two different elements or position, be not to
Limit specific position or relativeness.In other words, in some embodiments, term " first ", " second " etc. can also be each other
It exchanges.
As shown in Figures 1 to 6, according to the water vapour hydrocarbon reformation preparing hydrogen conversion system of specific embodiment of the present invention
Including reburner 5, reburner 5 uses accumulation of heat dispersed combustion mode.Reburner 5 includes furnace body 51, is equipped with radiant type in furnace body 51
Combustion chamber is equipped with upper set pipe 511, lower concetrated pipe 512 and reformer tube 513 in radiant burner room.Radiant burner room
Opposite two side walls are equipped with heat-storage type burner 52.Reburner 5 further includes reversal valve 53, and reversal valve 53 can will be in furnace body
Air and flue gas commutation so that heat-storage type burner 52 in two side walls switches burning.Such reburner 5 is not deposited
In Convective Heating section and raw material preheating section, high-temperature flue gas after combustion is completely used for preheated air, heat needed for raw material preheating
Amount all is from the pyrolytic conversion gas after reaction.The water vapour hydrocarbon reformation preparing hydrogen transformation system of specific embodiment of the present invention
System includes that conversion gas utilizes component, and conversion gas may include heat exchanger 4 using component, and hydrogen feedstock is entered upper by heat exchanger 4
Concetrated pipe 511, forms conversion gas after reformer tube 513, and conversion gas enters heat exchanger 4 and hydrogen manufacturing by lower concetrated pipe 512
Raw material heat exchange, realizes the heat hydrogen feedstock using conversion gas.
Further, in one or more illustrative embodiments of the utility model, heat needed for pretreatment of raw material
Amount is also supplied by conversion air lift, hydrogen feedstock pass sequentially through feed preheater 1, hydrogenator 2, desulfurization reactor 3 remove it is contained
Organic sulfur, inorganic sulfur and oxide etc., hydrogen feedstock after pretreatment enters the upper set of reburner 5 by heat exchanger 4
Pipe 511.Pyrolytic conversion gas after reaction enters heat exchanger 4 and hydrogen feedstock after pretreatment heat exchange, then enters back into raw material
Preheater 1 and hydrogen feedstock exchange heat, and pre-process hydrogen feedstock at a suitable temperature.
Further, in one or more illustrative embodiments of the utility model, some vapor occurs required
Heat also carrys out inverting gas.Pyrolytic conversion gas heats hydrogen feedstock after pretreatment, in feed preheater 1 in heat exchanger 4
After middle heating hydrogen feedstock, steam superheater 6 and the first steam generator 7 are sequentially entered, converts gas in the first steam generator 7
In exchange heat with water and generate steam, which enters steam superheater 6 and conversion gas therein and exchanges heat, and generates superheated steam into changing
Hot device 4.
Further, in one or more illustrative embodiments of the utility model, converting gas using component includes
Middle temperature transformation device 8 and the second steam generator 9.It converts gas and middle temperature transformation device 8 is entered by the first steam generator 7, in generation
Warm conversion gas.Middle temperature transformation gas enters the second steam generator 9 and generates steam, the steam and the first steam generator with water heat exchange
7 steam generated are mixed into steam superheater 6 and conversion gas therein exchanges heat, and generate superheated steam and enter heat exchanger 4.
Further, in one or more illustrative embodiments of the utility model, middle temperature transformation gas passes through second
Steam generator 9 enters low temperature shift converters 10, generates low-temperature conversion gas.Low-temperature conversion gas enters 11 feed-water preheating of water preheater,
Preheated water enters the first steam generator 7 and the second steam generator 9.
Further, in one or more illustrative embodiments of the utility model, water vapour hydrocarbon reformation preparing hydrogen
Conversion system includes purification component, and purification component may include cooler 12, liquid separation tank 13 and PSA device 14.Cooler 12 will
Low-temperature conversion air cooling generates cooling air, and cooling air enters liquid separation tank 13 and carries out gas-liquid separation, and the gas after separation enters PSA dress
14 purifications are set, hydrogen and tail gas are generated.
Further, in one or more illustrative embodiments of the utility model, the purification of PSA device 14 is generated
Tail gas can be connected with the fuel inlet 523 of heat-storage type burner 52.
Further, in one or more illustrative embodiments of the utility model, reversal valve 53 is connected with air blast
Air can be blown into the combustion of the heat accumulating type on one of side wall by reversal valve 53 by machine 531 and air-introduced machine 532, air blower 531
Burner 52, under the suction of air-introduced machine 532, the flue gas that the heat-storage type burner 52 on another side wall generates passes through 53 row of reversal valve
Enter chimney (not shown).Switch reversal valve 53 to realize 52 alternate combustion of heat-storage type burner in two side walls.
Further, air is absorbed heat by the heat storage 521 of the heat-storage type burner 52 on a side wall, and flue gas is to the other side
521 heat release of heat storage of heat-storage type burner on wall, heat are stored in heat storage 521.
Further, the heat-storage type burner 52 in two side walls is symmetrical arranged.
When in use, 51 two sides of furnace body are respectively arranged multiple groups heat-storage type burner 52 to reburner.In the course of work, preceding half cycle
Phase, normal temperature air are sent into the heat-storage type burner 52 in one side wall by air blower 531, are added rapidly when passing through heat storage 521
Volume smoking gas is formed the high temperature gas flow of oxygen deprivation, sprays into fuel near this strand of air-flow by heat to high temperature when air sprays into combustion chamber,
Fuel burns in the air-flow of oxygen deprivation (2% ~ 20%), greatly reduces NOxGeneration.At the same time, pass through burning by air-introduced machine 532
Flue gas is sucked out the heat-storage type burner 52 of the room other side, hot fume transfer heat to heat storage 521 and through commutating after cooling down
Valve 53, air-introduced machine 532 and chimney are discharged into atmosphere.To the later half period, reversal valve 53 is switched over for burning, is responsible for discharge flue gas before
Burner be responsible for burning, before be responsible for burning heat-storage type burner 52 start be responsible for discharge flue gas.The Period Process repeats
Carry out, above-mentioned periodical combustion process duration is usually 30 ~ 180s, it will thus be appreciated that the utility model not as
Limit.According to the actual situation, the heat-storage type burner 52 of every side can participate in burning simultaneously or alternately participate in burning.
Specifically, referring to figs. 2 and 5 shown in, by one group heat-storage type burner 52(two be one group) for illustrate air
Flue gas current intelligence.Air is introduced by air blower 531, enters heat-storage type burner 52 through reversal valve 53, by absorbing heat storage
Heat inside 521 enters hydrogen production conversion furnace body 51 by air/smoke spout 524 and participates in burning；Flue gas after burning into
Enter self heat is released to built-in heat storage 521 in heat-storage type burner 52 to store, the low-temperature flue gas warp after discharging heat
Flue/air duct is entered by reversal valve 53, then chimney is discharged by air-introduced machine 532.This process passes through the control period of reversal valve 53
It carries out.With reference to shown in Fig. 5 and Fig. 6, in one or more embodiments of the utility model, heat-storage type burner 52 is built-in with
Heat storage 521, one end are equipped with air/smoke entrance 522 and fuel inlet 523, and the other end is equipped with air/smoke spout 524
With fuel nozzle ports 525, air and flue gas are a channel.Heat storage 521 can be using honeycomb type or the porous knot of other forms
Structure ceramic material, to recycle high-temperature flue gas heat and preheated air.
The water vapour hydrocarbon reformation preparing hydrogen conversion system of one or more illustrative embodiments according to the present utility model
A kind of workflow it is as follows.Hydrogen feedstock, through Co-Mo hydrogenation reactor 2, enters after feed preheater 1 is heated to 380 DEG C
Zinc oxide desulfurization reactor 2 removes organic sulfur, inorganic sulfur and the oxide in hydrogen feedstock, and control total sulfur is less than 0.5ppm, contains
Chlorine is less than 1ppm, into transform portion.
Pretreated hydrogen feedstock and 2.4MPa steam (superheated steam) press water carbon molecules ratio (H2O/C) the ratio of 5:1
It is mixed into heat exchanger 4, is preheating to 490-500 DEG C, enters the dress being mounted in 51 radiant of furnace body through upper set pipe 511
Have in the reformer tube 513 of catalyst, herein occur hydrocarbon steam conversion reaction, generate hydrogen, carbon monoxide, carbon dioxide with
And portion of methane and superfluous water vapour enter lower concetrated pipe 512, the conversion gas that 51 temperature of furnace body is 800 DEG C out through heat exchanger 4,
Feed preheater 1, steam superheater 6, the first steam generator 7 exchange heat with desulfurization material gas, hydrogen feedstock, saturated vapor respectively
And after steam occurs, temperature is down to about 380 DEG C by 800 DEG C and enters middle temperature transformation device 8.
Gas is converted after middle temperature transformation reacts, steam occurs by the second steam generator 9, temperature enters low after reducing
Low temperature shift reaction occurs for warm converter 10, and low-temperature conversion gas through subcooler 12 and divides after water preheater 11 heats water supply
Flow container 13 enters PSA device 14 and carries out hydrogen purification.Residual gas after purifying hydrogen of hydrogen mixes together with fuel gas as conversion
The fuel gas of furnace, product hydrogen go out device.
Conversion gas after reformation hydrogen production conversion reaction occurs for the water vapour hydrocarbon reformation preparing hydrogen conversion system of the utility model
Realize that step rationally utilizes according to temperature change, by heat major part base feed can, rest part be used to occur steam with
Water supply is heated, the loss of pyrolytic conversion gas and water supply heat exchange generation steam after reaction is effectively reduced, substantially increases conversion
The energy utilization of gas is horizontal.
The hydrogen production conversion system of the utility model is not provided with convection section, and the high-temperature flue gas after fuel combustion rejects heat to
The heat of storage is released to air again by the heat storage in heat-storage type burner, heat storage, and flue gas heat is finally entirely used for firing
Burning and reaction process, using only the heat preheating material and generation steam of the pyrolytic conversion gas that reforming reaction generates, finally
Fuel combustion can be discharged the 80% of heat be used to produce hydrogen, fuel combustion heat 20% be used to occur steam and no longer to
The fuel chemical energy of high-quality is completely used for reforming hydrogen production reaction as far as possible, low-grade heat is converted by outer output steam
The heat of gas is used to heat raw material and steam occurs, and improves energy utilization quality and efficiency, has reached consuming energy according to its quality, can use up it
Purpose significantly improves compared to traditional hydrogen production conversion system hydrogen manufacturing conversion furnace of the present invention and its system economy, reduces not
Necessary steam output.
The hydrogen manufacturing conversion furnace of device provided by the utility model can satisfy the requirement of refinery hydrogen preparing, and exhaust gas temperature can drop
To 150 DEG C hereinafter, discharged nitrous oxides meet discharge standard, device economy can be significantly improved.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.For above-mentioned example embodiment made it is any it is simple modification,
Equivalent variations and modification, should all fall into the protection scope of the utility model.
Claims (10)
1. a kind of water vapour hydrocarbon reformation preparing hydrogen conversion system characterized by comprising
Reburner comprising:
Furnace body, it is interior to be equipped with radiant burner room, upper set pipe, reformer tube and lower set are equipped in the radiant burner room
Pipe；
Heat-storage type burner is arranged in the opposite two side walls of the radiant burner room；And
Reversal valve, by the furnace body air and flue gas commutate so that the heat storage type combustion on described two side walls
Device switching burning；And
It converts gas and utilizes component comprising:
Heat exchanger, connects the upper set pipe and the lower concetrated pipe, and hydrogen feedstock is entered on described by the heat exchanger
Concetrated pipe, forms conversion gas after reformer tube, which enters the heat exchanger and hydrogen manufacturing by the lower concetrated pipe
Raw material heat exchange.
2. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 1, which is characterized in that the conversion gas utilizes
Component further include: feed preheater, hydrogenator and desulfurization reactor,
Wherein, the hydrogen feedstock is successively produced by the feed preheater, the hydrogenator and the desulfurization reactor
Raw pretreated hydrogen feedstock, pretreated hydrogen feedstock enter the upper set pipe by the heat exchanger；Described turn
Change gas and sequentially enters the heat exchanger and the feed preheater and hydrogen feedstock heat exchange.
3. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 2, which is characterized in that the conversion gas utilizes
Component further include:
Steam superheater is connected with the feed preheater, the heat exchanger；And
First steam generator is connected with the steam superheater,
The conversion gas sequentially enters the steam superheater and first steam generator, institute by the feed preheater
It states conversion gas and generates steam with water heat exchange in first steam generator, the steam is into the steam superheater and wherein
Conversion gas heat exchange, generate superheated steam enter the heat exchanger.
4. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 3, which is characterized in that the conversion gas utilizes
Component further include:
Middle temperature transformation device is connected with first steam generator, and the conversion gas passes through first steam generator
Into the middle temperature transformation device, middle temperature transformation gas is generated；And
Second steam generator is connected with the middle temperature transformation device, and the middle temperature transformation gas is sent out into second steam
Raw device and water heat exchange generate steam, and the steam that the steam and first steam generator generate is mixed into the steam superheating
Device and conversion gas therein exchange heat, and generate superheated steam, which is mixed into the pretreated hydrogen feedstock
The heat exchanger.
5. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 4, which is characterized in that the conversion gas utilizes
Component further include:
Low temperature shift converters are connected with second steam generator, and the middle temperature transformation gas is sent out by second steam
Raw device enters the low temperature shift converters, generates low-temperature conversion gas；And
Water preheater is connected with the low temperature shift converters, and the low-temperature conversion gas enters the water preheater, preheated
Water enters first steam generator and second steam generator.
6. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 5, which is characterized in that the system also includes
Component is purified, which includes:
Cooler is connected with the water preheater, and the low-temperature conversion gas enters the cooling by the water preheater
Device generates cooling air；
Liquid separation tank is connected with the cooler, and the cooling air enters the liquid separation tank and carries out gas-liquid separation；And
PSA device is connected with the liquid separation tank, and the gas after liquid separation tank separation enters the purification of PSA device, generates
Hydrogen and tail gas.
7. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 6, which is characterized in that the tail gas and accumulation of heat
The fuel inlet of formula burner is connected.
8. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 1, which is characterized in that the reversal valve connection
There are air blower and air-introduced machine, air is blown into the heat accumulating type on one of side wall by the reversal valve by the air blower
Burner changes described in the flue gas process that the heat-storage type burner on another side wall generates under the suction of the air-introduced machine
Chimney is discharged into valve.
9. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 8, which is characterized in that the air is by described
The heat storage of the heat-storage type burner on one side wall absorbs heat；The heat accumulating type of the flue gas on another side wall
The heat storage heat release of burner.
10. water vapour hydrocarbon reformation preparing hydrogen conversion system according to claim 1, which is characterized in that described two side walls
On heat-storage type burner be symmetrical arranged.
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| CN201821721544.7U CN209367799U (en) | 2018-10-23 | 2018-10-23 | Water vapour hydrocarbon reformation preparing hydrogen conversion system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443604A (en) * | 2021-06-17 | 2021-09-28 | 中石化宁波工程有限公司 | Process for preparing synthetic gas and hydrogen from marsh gas |
| CN113527052A (en) * | 2021-06-17 | 2021-10-22 | 中石化宁波工程有限公司 | Process for preparing methanol from methane |
-
2018
- 2018-10-23 CN CN201821721544.7U patent/CN209367799U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443604A (en) * | 2021-06-17 | 2021-09-28 | 中石化宁波工程有限公司 | Process for preparing synthetic gas and hydrogen from marsh gas |
| CN113527052A (en) * | 2021-06-17 | 2021-10-22 | 中石化宁波工程有限公司 | Process for preparing methanol from methane |
| CN113527052B (en) * | 2021-06-17 | 2024-03-22 | 中石化宁波工程有限公司 | Methane-to-methanol process |
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Effective date of registration: 20240329 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Country or region before: China Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |