CN104112867B - The reforming reaction device of a kind of SOFC system burning capacity cascade utilization and electricity generation system - Google Patents
The reforming reaction device of a kind of SOFC system burning capacity cascade utilization and electricity generation system Download PDFInfo
- Publication number
- CN104112867B CN104112867B CN201310138375.XA CN201310138375A CN104112867B CN 104112867 B CN104112867 B CN 104112867B CN 201310138375 A CN201310138375 A CN 201310138375A CN 104112867 B CN104112867 B CN 104112867B
- Authority
- CN
- China
- Prior art keywords
- chamber
- reforming
- gas
- combustor
- reforming reaction
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
-
- 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
- Y02E60/50—Fuel cells
Abstract
The invention provides the reforming reaction device of a kind of SOFC system burning capacity cascade utilization, described device includes air-gas premixed device, combustor and is positioned at the reformation chamber that combustor is peripheral, also includes pre-reforming gas radiation chamber and pre-reforming chamber.Wherein, described combustor is connected with air-gas premixed device, described pre-reforming gas radiation chamber and combustion chamber, and described pre-reforming chamber is positioned at the periphery in pre-reforming gas radiation chamber, and pre-reforming chamber is connected with reformation chamber.Described device also includes water-methane premixed device and vaporization preheating cavity, and described vaporization preheating cavity is connected with pre-reforming gas radiation chamber, and described water-methane premixed device is positioned within vaporization preheating cavity and is connected with pre-reforming chamber.The heat energy that combustor produces sequentially passes through reformation chamber, pre-reforming chamber and water-methane premixed device and carries out repeatedly step heat exchange, makes burning capacity realize cascade utilization, simplifies the structure of whole device, and improve device integrated level.
Description
Technical field
The present invention relates to heat treatment technics and catalytic field, in particular it relates to the reforming reaction device of a kind of SOFC system burning capacity cascade utilization, and apply the SOFC electricity generation system of this reforming reaction device.
Background technology
SOFC (solidoxidefuelcell) system, i.e. SOFC electricity generation system, it it is a kind of novel power generation device, belong to third generation fuel cell, be a kind of all solid state chemical generated device that directly chemical energy being stored in fuel and oxidant efficiently, is environmentally friendly changed into electric energy under middle high temperature.
SOFC electricity generation system, as advantages such as the energy conversion device that fuel chemically can be transformed into electric energy and heat energy, its high efficiency, pollution-free, structure of whole solid state, has become one of most potential significant energy crossover tool.SOFC electricity generation system all has great advantage in fuel efficiency, discharge, maintenance and sound pollution.
Typical SOFC co-generation unit includes fuel processing system, SOFC body electricity generation system, straight AC conversion system, residual neat recovering system, and required equipment includes compressor, steam generator, reforming reactor, heat exchanger and burner etc..
Gaseous fuel or liquid fuel, before entering battery pile generation electrochemical reaction, are typically necessary and are converted into H2With the synthesis gas of CO, the fuel cell being raw material with natural gas, the generally mode (CH of selection steam reforming4+H2O→CO+3H2) real-time hydrogen making, this reaction is a strong endothermic reaction (△ H298K=+226kJ/mol), and the heat needed for its reaction then comes from burner.Burner is by burning to provide heat for whole system from SOFC pile anode exhaust gas out, and for SOFC system, reforming reaction is the key consumer of this energy.
Occur in inside battery or outside according to reforming reaction, it is possible to be divided into interior reformation and outer reformation.Interior reformation easily causes electrode temperature distributing disproportionation everywhere and has carbon distribution reaction to occur, thus causing that cell power density significantly declines.Comparatively ripe by what add at outside batteries that the outer reforming technique of special reforming reactor develops, it is the hydrogen manufacturing mode having the most main flow of fuel cells applications system in the world.
Current reforming reaction device is mainly made up of reforming reactor and the tail gas burner of discrete, and the wall being washed away reforming reactor by high-temperature flue gas produced by SOFC pile exhaust combustion completes heat exchange, and then reforming reaction is carried out heat supply.It is relatively low that the bottleneck of this heat exchange mode is in that high-temperature flue gas washes away the coefficient of heat transfer of reforming reactor wall, for reaching intended heat transfer effect, it is necessary for bigger heat exchange area, thus causing the reforming reaction device volume of this discrete huge, level of integrated system is low, and easily with other parts generation constructive interference in apparatus system.
On the other hand, the raw material needed for reforming reaction is natural gas and water vapour.In order to enable reforming reaction to reach higher reaction efficiency, raw material also needed to through raw material premixed device before entrance reformer reacts, and made natural gas and water vapour be sufficiently mixed preheating.It addition, also need to, by steam generator, aqueous water heating is produced required water vapour.
In sum, this area is little in the urgent need to developing a kind of volume, and device is simple and easy, high efficiency reforming reaction device.
Summary of the invention
The invention provides the reforming reaction device that a kind of volume is little, the thermal efficiency is high.
A first aspect of the present invention, provide a kind of SOFC (solidoxidefuelcell, SOFC) the system reforming reaction device of burning capacity cascade utilization, described device includes air-gas premixed device, combustor and is positioned at the reformation chamber that combustor is peripheral, also includes: pre-reforming gas radiation chamber and pre-reforming chamber；
Wherein, described combustor is connected with air-gas premixed device；
Described pre-reforming gas radiation chamber and combustion chamber；And
Described pre-reforming chamber is positioned at the periphery in pre-reforming gas radiation chamber, and pre-reforming chamber is connected with reformation chamber.
In another preference, described device also includes water-methane premixed device and vaporization preheating cavity.
In another preference, described vaporization preheating cavity is connected with pre-reforming gas radiation chamber；Described water-methane premixed device is positioned within vaporization preheating cavity and is connected with pre-reforming chamber.
In another preference, described device also has following one or more feature:
Described combustor is positioned on air-gas premixed device；
Described pre-reforming gas radiation chamber is positioned on combustor；And/or
Pre-reforming chamber is positioned on reformation chamber.
In another preference, described combustor also includes the Porous Media filled.
In another preference, the aperture of described Porous Media and distribution density flow to ascending graded profile from upstream to downstream by gas-air mixture stream.
In another preference, the aperture of described Porous Media is 30-120mm, and/or the pore size distribution density of described Porous Media is 60PPI-10PPI.
In another preference, the surrounding of described Porous Media processes through edge sealing.
In another preference, described Porous Media includes SiC, ZrO2Or Al2O3Foamed ceramics.
In another preference, the gap between described Porous Media and outer wall of combustion chamber is filled with SiC or Al2O3Chylema material.
In another preference, described pre-reforming chamber and reformation intracavity portion are provided with shunting fin.
In another preference, described shunting fin is genesis analysis from upstream to the flow direction in downstream along reforming reaction flow of feed gas, and pre-reforming chamber and reformation intracavity portion longitudinal subdivision are n air-flow compartment, the wherein positive integer of n=4-16 by described shunting fin.
In another preference, the quantity of described shunting fin is 4-16 sheet.
In another preference, pre-reforming chamber and reformation intracavity portion are possibly together with catalyst, it is preferred that described catalyst is particle type catalyst, and filling is distributed between shunting fin.
In another preference, described pre-reforming chamber is additionally provided with gas distribution dish, and mixing gas for the mixing gas collected in described air pre-mixing chamber and is flowed into described pre-reforming chamber along described shunting fin by described gas distribution dish.
In another preference, the inside in pre-reforming chamber is located at by described gas distribution dish, and described gas distribution dish connects each air-flow compartment.
In another preference, described reformation chamber is additionally provided with gas current collecting plates.
In another preference, described reformation chamber is additionally provided with reformate outlet tube.
In another preference, described gas current collecting plates is located at the inside in reformation chamber, and described gas current collecting plates connects each air-flow compartment and is connected with reformate outlet tube.
In another preference, described water-methane premixed device includes water inlet pipe, methane input pipe and vaporization economizer bank.
In another preference, described water inlet pipe is all connected with described vaporization economizer bank with methane input pipe.
In another preference, aqueous water and methane pass into described vaporization economizer bank respectively through described water inlet pipe and described methane input pipe.
In another preference, described vaporization economizer bank coiling is distributed in the inside of vaporization preheating cavity.
In another preference, described water-methane premixed device is additionally provided with pre-heat buffering cavity.
In another preference, described pre-heat buffering cavity is connected with vaporization economizer bank.
In another preference, described vaporization economizer bank coils in the periphery of pre-heat buffering cavity.
In another preference, described water-methane premixed device is additionally provided with isocon, and isocon connects pre-heat buffering cavity and pre-reforming chamber.
In another preference, the quantity of described isocon is 4-16.
In another preference, described pre-heat buffering cavity be shaped as cylinder.
In another preference, being filled with Heat Conduction Material in described pre-heat buffering cavity, wherein said Heat Conduction Material includes foam metal, wire netting, porous media material.
In another preference, the caliber of described vaporization economizer bank is identical or different.
In another preference, described vaporization economizer bank includes vaporization and preheats thin coil pipe and overheated thick coil pipe of vaporizing.
In another preference, described vaporization preheats thin coil pipe and is located at the upstream that water-methane blended air-flow flows to, and the downstream that water-methane blended air-flow flows to is located at by described overheated thick coil pipe of vaporizing.
In another preference, described overheated thick coil pipe of vaporizing coils in the periphery of pre-heat buffering cavity, and vaporization preheats thick dish and is connected with pre-heat buffering cavity.
In another preference, described vaporization preheats thin coil pipe and coils in the periphery of overheated thick coil pipe of vaporizing.
In another preference, described vaporization preheats thin coil pipe, vaporizing is provided with space between overheated thick coil pipe and pre-heat buffering cavity.
In another preference, described air-gas premixed device includes gas inlet pipe, air inlet duct and air-gas premix chamber.
In another preference, described air-gas premix chamber also includes one-level cylinder premix chamber and two grades of conical premix chamber, and described one-level cylinder premix chamber and two grades of conical premix chamber are connected.
In another preference, described gas inlet pipe, air inlet duct and being connected with described one-level cylinder premix chamber.
In another preference, described gas inlet pipe ecto-entad stretches in one-level cylinder premix chamber.
In another preference, described gas inlet pipe is arranged in the end-enclosed of one-level cylinder premix chamber, and/or the pipe side wall that described gas inlet pipe is positioned within one-level cylinder premix chamber is provided with spray-hole.
In another preference, between described two grades of conical premix chamber and combustor, it is additionally provided with anti-backfire straight-bore ceramic plate.
In another preference, the straight hole aperture of described anti-backfire straight-bore ceramic plate and porosity are determined according to tempering limit theory.
Second aspect present invention, provide a kind of fuel generating systems, there is reforming reaction device and fuel cell, air compressor machine, water knockout drum and water tank, dosing pump, all kinds of valve control and the attemperating unit of SOFC system burning capacity cascade utilization described in first aspect present invention.
Should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the present invention and can combining mutually between specifically described each technical characteristic in below (eg embodiment), thus constituting new or preferred technical scheme.As space is limited, tired no longer one by one state at this.
Accompanying drawing explanation
Fig. 1 be the present invention reforming reaction in the schematic diagram of burning capacity cascade utilization.
Fig. 2 is the schematic appearance of embodiments of the invention device.
Fig. 3 is the internal structure schematic diagram of embodiments of the invention device.
Fig. 4 is the structural representation at the isocon position that water in embodiments of the invention device-methane premixed device is connected with pre-reforming chamber.
Fig. 5 is pre-reforming chamber and the pre-reforming gas radiation chamber schematic diagram at section shown in P1-P1 in embodiments of the invention device.
In figure, 1 gas inlet pipe；2 air inlet duct；3 one-level cylinder premix chamber；4 premix chamber monitoring thermocouples；5 two grades of conical premix chamber；6 bolts；7 mat insulations；8 anti-backfire straight-bore ceramic plates；9 reformate outlet tubes；10 gas current collecting plates；11 catalyst orifice plates；12 particle type catalyst；13 combustor；14 spark plugs；15 pre-reforming gas radiation chambeies；16 reaction unit shells；17 pre-reforming gas radiation cavity outer walls；18 shunting fins；19 catalyst up-hole plates；20 gas distribution dishes；21 isocons；22 bolts；23 vaporizations preheat thin coil pipe；The 24 overheated thick coil pipes of vaporization；25 pre-heat buffering cavities；26 pre-heat buffering cavity outer walls；27 vaporization preheating cavity shells；28 exhaust openings；29 water inlet pipes；30 methane input pipes；31 temperature controllers.
Detailed description of the invention
The present inventor is through long-term and deep research, first combustor periphery is located in the reformation chamber in reforming reaction device, the integrated device of integrated reforming reactor, tail gas burner, raw material premixed device and steam generator, and in conjunction with multi-hole medium combustion technology, thus the high-temperature flue gas realizing combustor generation sequentially passes through reformation chamber, pre-reforming chamber and water-methane premixed device and carries out repeatedly step heat exchange.
Air-gas premixed device
Air-gas premixed device includes gas inlet pipe, air inlet duct, one-level cylinder premix chamber, two grades of conical premix chamber, premix chamber temperature monitoring thermocouple and anti-backfire straight-bore ceramic plate.
Wherein, described gas inlet pipe, air inlet duct are connected with one-level cylinder premix chamber.Generally, described gas inlet pipe stretches in one-level cylinder premix chamber.In another preference, in order to combustion gas be mixed more fully with air, the end stretching into the one end in one-level cylinder premix chamber in gas inlet pipe is enclosed construction, and gas inlet pipe is positioned at the pipe side wall of one-level premix chamber and is provided with some spray-holes.Combustion gas is spurted in one-level cylinder premix chamber from the aperture gas inlet pipe sidewall 360 degree, effective Forced Mixing is there is with the air passed into by air inlet duct, premix gas is passed into two grades of conical premix chamber and completes further to be thoroughly mixed subsequently, mix premix gas completely and carry out rectification again through anti-backfire straight-bore ceramic plate, pass in combustor and burn.
Can be used for the diameter of the gas inlet pipe of the present invention to be not particularly limited, it is possible to adapt with SOFC anode exhaust gas flow, pressure for any, and size that can be corresponding with premix chamber, it is preferred that diameter is 6-12mm.
Can be used for the diameter of the air inlet duct of the present invention to be not particularly limited, it is possible to adapt with SOFC anode exhaust gas flow proportioning for any disclosure satisfy that, and size that can be corresponding with premix chamber, it is preferred that diameter is 10-20mm.
Can be used for the fireproof tempering device of the present invention to be not particularly limited, it is possible to for any device that can play isolation combustion flame.
Generally, the material of fireproof tempering device can be the material that the heat conductivity such as ceramic wafer, cordierite, refractory brick, mullite plate are less.Its diameter can be identical with the diameter of Porous Media, it is preferable that less than the minimum diameter of Porous Media, and in order to reach anti-backfire effect better, the thickness of ceramic wafer is preferably not less than 10mm.
In another preference, described ceramic wafer can be straight-bore ceramic plate, and several apertures uniform on straight hole plate, aperture is not more than 1mm, and the minimum flow velocity according to premixed gas arranges its porosity, causing air flow through the speed after straight hole plate and be consistently higher than flame transmission speed, thus preventing the generation of tempering, simultaneously working as the effect to premixed gas rectification.Additionally, a thermocouple can be arranged on two grades of cylindrical premix chamber to monitor the temperature of premix chamber, to ensure the stable not tempering in porous media body of combustion flame.
In the present invention, the connected mode adopted between air-gas premixed device and combustor-reformation chamber is not particularly limited, it is possible to for any connection firm, tight, resistant to elevated temperatures.Generally, can be with bolts between air-gas premixed device and combustor-reformation chamber.
Additionally, junction preferably needs to arrange heat insulating mattress between reformation chamber and premix chamber, with the conduction of heat in minimizing combustor and reformation chamber as far as possible to premix chamber, it is prevented that spontaneous combustion occurs premix gas in premix chamber.
There is no particular limitation with the mode connecting combustor to the position set by air-gas premixed device for the present invention.Air-gas premixed device can be located at below combustor position, it is also possible to is the self-contained unit being separated with whole reforming reaction device.
Reformation chamber and combustor
In the present invention, the periphery of combustor is located in reformation chamber, and thus, the heat that burning produces is directly delivered to reformation intracavity portion by the outer wall of combustor.Owing to steam methane reforming reaction is typically in more than 500 degree, improving temperature (more than 700 degree) and be conducive to improving the conversion ratio of methane, therefore the high-quality heat of combustor is preferentially supplied to reformation chamber, carries out reforming reaction.
In the present invention, reformation chamber includes gas current collecting plates, catalyst orifice plate, particle type catalyst, shunting fin, reformate go out outlet tube and a part of reaction unit shell.
The filler that can be used in combustor of the present invention is not particularly limited, and burns more fully for combustion gas and the making full use of of heat, can filling porous dielectric in combustor.
Multi-hole medium combustion technology be a kind of by the flameholding of premixed gas fuel not only high temperature resistant but also have in the porous media hole of good heat conductive and radiance, calory burning is stored in inside porous media by the heat storage performance utilizing porous media, it is used for preheating unburned premixed gas so that premixed combustion flame temperature is more than the mixed degree of adiabatic flame.When air-gas premix gas enters combustor after fireproof tempering device rectification, burnt in porous media body by after spark ignitor.
Aperture and the distribution density of Porous Media are not particularly limited, and all can strengthen the Btu utilization of fuel gas buring.It is, of course, preferable to mode be flow to ascending graded profile from upstream to downstream by gas-air mixture stream.Its aperture can be set between 30-120mm, and its pore size distribution density can be gradually transitions 10PPI from 60PPI.
The material of Porous Media can by SiC, ZrO2Or Al2O3Foamed ceramics is constituted.In addition, in order to make gas stable in dielectric internal-combustion and the heat exchange in order to strengthen between Porous Media and the outer wall of combustor, it is also possible to preferably Porous Media surrounding to be carried out filling SiC or Al in edge sealing process the space between Porous Media and the outer wall of combustor2O3Chylema material.
The present invention to the shape of combustor and reformation chamber, there is no particular limitation.Under normal circumstances, combustor cylindrically shaped, the periphery of combustor is located in reformation chamber, for annulus cylindricality, such as the technical scheme that the present embodiment provides.Combustor can also be the various shapes such as quadrangle cylinder, pentagon cylinder, hexagon cylinder, and reformation chamber can also be provided at the various shape that combustor is peripheral.
Pre-reforming chamber and pre-reforming gas radiation chamber
In the present invention, the periphery in pre-reforming gas radiation chamber is located in pre-reforming chamber.After the heat that burning produces is directly delivered to reformation intracavity portion by outer wall of combustion chamber, burning also creates substantial amounts of high-temperature flue gas.High-temperature flue gas enters pre-reforming gas radiation chamber after discharging combustor, carries out heat exchange by pre-reforming gas radiation cavity outer wall and pre-reforming chamber.This process is two grades of utilizations of burning capacity.
In this present invention, pre-reforming chamber includes gas distribution dish, catalyst up-hole plate, particle type catalyst, shunting fin and a part of reaction unit shell.Internal structure between pre-reforming chamber and reformation chamber orifice plate on a catalyst and catalyst orifice plate is essentially identical, and pre-reforming chamber is connected with the internal mutual in reformation chamber.Steam and methane mixed gas through water-methane premixed device process are entered pre-reforming chamber by isocon, it is diverted in each individual compartment between each shunting fin equably by gas distribution dish and catalyst up-hole plate, and then the reformation chamber entering combustor peripheral reacts.Catalyzed dose of orifice plate of reformate gas that reforming reaction generates after completing flow to gas current collecting plates, goes out outlet tube through reformate and flows out reformation chamber, complete reaction after.
It is illustrated in figure 5 the pre-reforming chamber cross-sectional schematic in P1-P1 direction, shunting fin along reforming reaction flow of feed gas from upstream to the flow direction in downstream be genesis analysis, the pre-reforming chamber of annular is divided into some independent air-flow compartments by 4-16 shunting fin, water-methane premix gas is diverted between catalyst in each compartment after being flowed into pre-reforming chamber by gas distribution dish and catalyst up-hole plate equably；Meanwhile, shunting fin also acts as the heat exchange area increased between Porous Media and reformation chamber, the effect of enhanced heat exchange effect.It is provided with some temperature controllers in reformation chamber and pre-reforming intracavity, is used for showing intracavity upper and lower multiple positions temperature, controls the temperature of reforming reaction by controlling combustion power.
The heat that pre-reforming chamber receives is less than the heat that reformation chamber receives, and steam and methane mixed gas, entering the process first passing through pre-reforming before reformation chamber reacts, heat and activate, thus improving the efficiency of next step reforming reaction.
Pre-reforming gas radiation chamber in the present embodiment is a cylindrical cavity, and high-temperature flue gas produced by combustor enters within pre-reforming gas radiation chamber, carries out heat exchange by pre-reforming gas radiation cavity outer wall and pre-reforming chamber.
There is no particular limitation to the shape in pre-reforming gas radiation chamber and pre-reforming chamber for the present invention.Under normal circumstances, pre-reforming gas radiation chamber is connected with combustion chamber and reformation chamber respectively with pre-reforming chamber and shape is consistent, it is possible to for cylinder.Pre-reforming gas radiation chamber can also be the various shapes such as quadrangle cylinder, pentagon cylinder, hexagon cylinder, and pre-reforming chamber can also be provided at the various shape that pre-reforming gas radiation chamber is peripheral and shape is corresponding.
The present invention to shunting fin distribution mode and shunting fin quantity there is no particular limitation, make gas uniform divided flows as long as can play and make heat exchange area increase.Under normal circumstances, shunting fin along reforming reaction flow of feed gas from upstream to the flow direction in downstream be genesis analysis.Shunting fin can also spiral type or the arrangement that is interspersed.The quantity of shunting fin can be one or more pieces.Preferably, shunting fin is corresponding with the position of isocon and quantity.
Water-methane premixed device and vaporization preheating cavity
Can be used for the vaporization preheating cavity of the present invention and be positioned on pre-reforming gas radiation chamber, and it is attached thereto logical, it is integrated with a water-methane premixed device in vaporization preheating cavity, after making pre-reforming process, remaining calory burning is further employed, carrying out the vaporization preheating of water-methane mixed gas, final flue gas is discharged from the exhaust opening of the top.The third level that this process is burning capacity utilizes.
In the present invention, water-methane premixed device includes aqueous water input pipe, reforming methane input pipe, vaporization economizer bank, pre-heat buffering cavity and isocon.
Can be used for the vaporization economizer bank of the present invention and can be set to vertical tube, spiral coil or other any form.Preferably, vaporizing more fully for aqueous water and more uniformly mix with methane, vaporization economizer bank can be located at the inside of water-methane premixed device with the form of coil pipe.Additionally, the caliber of vaporization economizer bank can be identical or different to mixing end from inlet end, it is preferred that vaporization economizer bank can be set to vaporization and preheat thin coil pipe and overheated thick coil pipe of vaporizing.
In another preference, the vaporization thin coil pipe of preheating being entered outer layer diameter 2-6mm by the reforming methane of aqueous water input pipe, 1-65SLM by reforming methane input pipe when the aqueous water of 1-160g/min carries out tentatively mixing, preheating and vaporization, mixing gas after vaporized expanding enters back into the overheated thick coil pipe of vaporization of internal layer diameter 6-16mm and vaporizes further and overheated, subsequently enter mid diameter and complete to be sufficiently mixed at the pre-heat buffering cavity of 50-102mm, isocon pass into pre-reforming chamber.
In order to improve the heat exchange efficiency between combustion product gases and coil pipe, the vaporization of outer layer preheats can exist gap between thin coil pipe and vaporization preheating cavity shell, between ectonexine coil pipe.In another preference, described gap should be arranged on and be not less than 0.25 times of coil pipe external diameter and be not larger than 0.25 times of coil pipe external diameter plus between 2mm.
In order to make water-methane premix gas be sufficiently mixed and play stable and buffer gas flow effect before entering pre-reforming chamber, the space of pre-heat buffering cavity should be arranged can more than the caliber of vaporization coil.
Additionally, described pre-heat buffering cavity can be provided with heat-conducting filler arbitrarily.Preferably, the porous media material that the inside filled and process metal of described preheating cushion wall, wire netting or heat conductivity are good, with enhanced heat exchange effect.
In the present invention, the steam/hydrocarbons ratio of reforming reaction can be regulated by the inflow of adjustment aqueous water, and controlled the preheating temperature of steam and methane by temperature controller displays temperature adjustment combustion power.
In the present invention, as shown in Figure 4, water-methane premix edema caused by disorder of QI flow tube is made up of at the isocon of 4-15mm with the diameter that center, pre-reforming chamber is uniform 4-16 root, pre-heat buffering cavity the water flowed out-methane premix gas thus isocon flows into the gas distribution dish in pre-reforming chamber.The purpose arranging this isocon is in that to make gaseous mixture can uniformly flow between each compartment of pre-reforming intracavity, simultaneously works as the effect of compensator or trimmer pressure.Certainly, can be used for the caliber of the isocon of the present invention and quantity is not particularly limited, it is possible to be two or many and communicate with shunting disk and or fin position is corresponding, the isocon that can play uniform divided flows mixing gas effect with shunting.
Beneficial effects of the present invention
The invention provides the reforming reaction device of a kind of SOFC system burning capacity cascade utilization.This device is by being located at combustor periphery by reformation chamber, pre-reforming chamber is located at the periphery in pre-reforming gas radiation chamber, and water-methane premixed device is located within vaporization preheating cavity, and vaporization preheating cavity is connected with pre-reforming gas radiation chamber, make the heat energy that combustor produces sequentially pass through reformation chamber, pre-reforming chamber and water-methane premixed device and carry out repeatedly step heat exchange, by multifunctional unit such as burning, vaporization, preheating, mixing, reformations in one, and simple in construction, disclosure satisfy that the requirement of miniaturization, eliminate steam generator, improve the integrated level of device；Meanwhile, by utilizing the overheavy firing of multi-hole medium combustion technology and changing thermal property, heat-transfer effect is significantly enhanced.The high-quality heat of combustor is primarily used for the reforming reaction heat supply into periphery, and remaining heat is then further used in preheating methane water of vaporizing, it is achieved that the cascade utilization of energy, it is achieved that system effectiveness maximizes.
The all documents mentioned in the present invention are incorporated as reference all in this application, are individually recited as reference such just as each section of document.In addition, it is to be understood that after the above-mentioned teachings having read the present invention, the present invention can be made various changes or modifications by those skilled in the art, these equivalent form of values fall within the application appended claims limited range equally.
Claims (11)
1. the solid oxide fuel battery system reforming reaction device of burning capacity cascade utilization, described device includes air-gas premixed device, combustor and is positioned at the reformation chamber that combustor is peripheral, it is characterized in that, also include: pre-reforming gas radiation chamber and pre-reforming chamber；
Wherein, described combustor is connected with air-gas premixed device；
Described pre-reforming gas radiation chamber and combustion chamber；
Described pre-reforming chamber is positioned at the periphery in pre-reforming gas radiation chamber, and pre-reforming chamber is connected with reformation chamber；And
Described device also includes water-methane premixed device and vaporization preheating cavity.
2. reforming reaction device as claimed in claim 1, it is characterised in that described reformation chamber is provided with gas current collecting plates.
3. reforming reaction device as claimed in claim 1, it is characterised in that described device also has following one or more feature:
Described combustor is positioned on air-gas premixed device；
Described pre-reforming gas radiation chamber is positioned on combustor；And/or
Pre-reforming chamber is positioned on reformation chamber.
4. reforming reaction device as claimed in claim 1, it is characterised in that described combustor also includes the Porous Media filled.
5. reforming reaction device as claimed in claim 1, it is characterised in that described pre-reforming chamber and reformation intracavity portion are provided with shunting fin.
6. reforming reaction device as claimed in claim 5, it is characterized in that, described pre-reforming chamber is additionally provided with gas distribution dish, and mixing gas for the mixing gas collected in described water-methane premixed device and is flowed into described pre-reforming chamber along described shunting fin by described gas distribution dish.
7. reforming reaction device as claimed in claim 1, it is characterised in that described water-methane premixed device includes water inlet pipe, methane input pipe and vaporization economizer bank.
8. reforming reaction device as claimed in claim 7, it is characterised in that described water-methane premixed device is additionally provided with pre-heat buffering cavity.
9. reforming reaction device as claimed in claim 8, it is characterised in that the caliber of described vaporization economizer bank is identical or different.
10. reforming reaction device as claimed in claim 1, it is characterised in that described air-gas premixed device includes gas inlet pipe, air inlet duct and air-gas premix chamber.
11. a fuel generating systems, it is characterized in that, there is reforming reaction device and fuel cell, air compressor machine, water knockout drum and water tank, dosing pump, valve control and the attemperating unit of solid oxide fuel battery system burning capacity cascade utilization described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138375.XA CN104112867B (en) | 2013-04-19 | 2013-04-19 | The reforming reaction device of a kind of SOFC system burning capacity cascade utilization and electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138375.XA CN104112867B (en) | 2013-04-19 | 2013-04-19 | The reforming reaction device of a kind of SOFC system burning capacity cascade utilization and electricity generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104112867A CN104112867A (en) | 2014-10-22 |
| CN104112867B true CN104112867B (en) | 2016-07-06 |
Family
ID=51709577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310138375.XA Active CN104112867B (en) | 2013-04-19 | 2013-04-19 | The reforming reaction device of a kind of SOFC system burning capacity cascade utilization and electricity generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104112867B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2682939C1 (en) * | 2015-06-30 | 2019-03-22 | Юоп Ллк | Related configuration of reactor and heater for method of wax products dehydration |
| CN106602111B (en) * | 2016-12-27 | 2019-08-30 | 宁波索福人能源技术有限公司 | A kind of fired reformer of high-temperature tail gas combustion heat supplying |
| CN106784924B (en) * | 2016-12-30 | 2019-08-23 | 宁波索福人能源技术有限公司 | A kind of hot zone structure of solid oxide fuel cell power generating system |
| CN109019511A (en) * | 2018-10-11 | 2018-12-18 | 广东索特能源科技有限公司 | A kind of methane reformer system using SOFC high-temperature flue gas |
| CN109687002B (en) * | 2018-11-13 | 2022-09-16 | 中广核研究院有限公司 | Distributed combined cooling heating and power system |
| CN109748241A (en) * | 2019-03-08 | 2019-05-14 | 西安交通大学 | A kind of high efficiency reformers of methane self-heating recapitalization |
| CN113023675A (en) * | 2019-12-24 | 2021-06-25 | 上海齐耀重工有限公司 | Reforming heat exchanger and natural gas reformer for SOFC power generation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791663A (en) * | 2003-04-04 | 2006-06-21 | 德士古发展公司 | Method and apparatus for rapid heating of fuel reforming reactants |
| CN1947832A (en) * | 2006-09-18 | 2007-04-18 | 西安交通大学 | Metal foam catalytic reforming reactor |
| CN101287815A (en) * | 2004-11-02 | 2008-10-15 | 燃料电池能有限公司 | Pre-processing assembly for pre-processing fuel feedstocks for use in a fuel cell system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040178765A1 (en) * | 2003-03-12 | 2004-09-16 | O'brien John F. | Integrated fuel reformer and heat exchanger |
-
2013
- 2013-04-19 CN CN201310138375.XA patent/CN104112867B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791663A (en) * | 2003-04-04 | 2006-06-21 | 德士古发展公司 | Method and apparatus for rapid heating of fuel reforming reactants |
| CN101287815A (en) * | 2004-11-02 | 2008-10-15 | 燃料电池能有限公司 | Pre-processing assembly for pre-processing fuel feedstocks for use in a fuel cell system |
| CN1947832A (en) * | 2006-09-18 | 2007-04-18 | 西安交通大学 | Metal foam catalytic reforming reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104112867A (en) | 2014-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104112867B (en) | The reforming reaction device of a kind of SOFC system burning capacity cascade utilization and electricity generation system | |
| CN112265962B (en) | Electric cooperative heat supply reforming reaction system | |
| CN105705227B (en) | Liquid fuel CPOX reformer and fuel cell system and the method for generating electric power | |
| CN102452642B (en) | Compact natural gas reforming hydrogen producing reactor | |
| JP2002187705A (en) | Single tube cylindrical reformer | |
| JPWO2005073126A1 (en) | Reformer | |
| CN106784924B (en) | A kind of hot zone structure of solid oxide fuel cell power generating system | |
| US20110097251A1 (en) | Hydrogen generating apparatus using steam reforming reaction | |
| CN102753903A (en) | Heat exchanger for a hot fuel cell | |
| CN101531336B (en) | Small-sized high efficiency self-heating natural gas hydrogen-preparing device | |
| CN103107348B (en) | A kind of SOFC system coupled mode reforming reactor and electricity generation system | |
| KR102315289B1 (en) | Steam Reformer with Multi Reforming Reactor | |
| CN109237470B (en) | Cylindrical porous jet type miniature liquid burner and combustion method thereof | |
| TWI626784B (en) | Gas fuel reformer and the integrated system for power generation | |
| TWI658639B (en) | Modular apparatus of fuel cell system | |
| US10651487B2 (en) | Modular apparatus of fuel cell system | |
| CN106602111B (en) | A kind of fired reformer of high-temperature tail gas combustion heat supplying | |
| CN101913560B (en) | Distributed natural gas hydrogen production reactor | |
| CN211419566U (en) | Liquid fuel catalytic reforming device | |
| CN113540503B (en) | Tubular SOFC self-heating system and working method | |
| CN104112866B (en) | The burning of a kind of fuel cell system is reformed and is premixed integrated apparatus | |
| KR101339132B1 (en) | Housing Apparatus of Solid Oxide Fuel Cell | |
| CN110790232A (en) | Liquid fuel catalytic reforming device | |
| CN202363541U (en) | Coupled reforming reactor used for SOFC (Solid Oxide Fuel Cell) system and power generation system | |
| CN214360254U (en) | Natural gas reformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |