CN108557761A - A kind of hydrogen-manufacturing reactor for inhaling heat release coupling - Google Patents
A kind of hydrogen-manufacturing reactor for inhaling heat release coupling Download PDFInfo
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- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
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- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
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- C01B3/36—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
- C01B3/363—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents characterised by the burner used
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- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
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- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
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- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
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- C01B2203/1229—Ethanol
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- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
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Abstract
The present invention relates to a kind of hydrogen-manufacturing reactors of suction heat release coupling.The reactor is the multi-layer cylinder structure of concentric-ring pattern, is followed successively by low-temp reaction raw material cavity from the outer to the inner, pyroreaction raw material cavity, hydrogen production reaction chamber, combustion reaction chamber, combustion distribution chamber, burn mixing chamber and cushion chamber.Reactor of the present invention takes full advantage of air flow method design, differential responses are effectively matched, and to ensure the high heat transfer efficiency of reactor and being uniformly distributed for reaction temperature, has effectively achieved the reasonable layout of system thermal and the stable operation of system.By the design of the cushion chamber of raw material, distribution cavity, mixing chamber and distribution cavity, solve the problems, such as that the material in small-sized reaction compartment is unevenly distributed.The energy efficiency of hydrogen-manufacturing reactor is improved by designing valve group.To sum up, hydrogen-manufacturing reactor of the invention has the characteristics that compact, small-sized external form, has high efficiency of combustion and heat transfer efficiency, reduces the heat transmission resistance of endothermic process and exothermic process, has a good application prospect.
Description
Technical field
The invention belongs to the technical fields of hydrogen energy source, and in particular to a kind of hydrogen-manufacturing reactor for inhaling heat release coupling, by strong
Heat release and highly endothermic matching will contain hydrogen feedstock (alcohol, alkane etc.) and be converted into hydrogen-rich gas.
Background technology
With the development of society, the problems such as energy shortage, environmental pollution and greenhouse effects have become countries in the world political affairs
Mansion focus of attention.In order to protect environment for the survival of mankind and make sustained economic development, clean new energy is developed and can
The renewable sources of energy are becoming the common choice of countries in the world economic development.Hydrogen Energy, both can be with as a kind of zero carbon or low-carbon energy
Storage again can conveniently transport, the great change of energy resource structure may be brought using it as " the hydrogen economy " of core, to reduce or
Politics for the purpose of fighting for oil, military conflict are eliminated, world peace is conducive to.
New technology is utilized as clean efficient " hydrogen economy ", the preparation of hydrogen energy source and the application of fuel cell have become thus
Two important core problems in field.As Hydrogen Energy is goed deep into what fuel cell technology was researched and developed, small distributed and portable combustion
Expect that battery power supply system gradually becomes new industry growth point, by the further neck for expanding Hydrogen Energy and fuel cell technology application
Domain.However, link prepared by Hydrogen Energy seriously constrains the further development of current Hydrogen Technology.Although commercial scale hydrogen producing technology
Apply comparative maturity, but by its simple diminution far can not meet fuel cell technology commercialization to the cost of fuel hydrogen and
The requirement of interface relevant art.
Therefore, many researchers study small-sized hydrogen-manufacturing reactor：In order to reduce reactor volume, will pass
The multifunctional reactor that heat, mass transfer, differential responses process synthesis carry out is one of the hot spot of research.In all about miniaturization hydrocarbon
Class, alcohol reforming hydrogen production reactor research in, most crucial critical issue is exactly the biography improved between heat releasing source and heat sink
The thermal efficiency.It is general that dislocation INDIRECT COUPLING mode, i.e. catalysis burning or other exothermic reactions is used to utilize heat exchange as heat source
Mode be hydrogen manufacturing endothermic reaction heat supply, can utmostly improve density of hydrogen in product gas.Since such suction heat release couples
Hydrogen-manufacturing reactor involved in strong exothermal reaction and strong endothermic reaction and strong exothermal reaction and evaporation coupling, wherein heat
System arrangement will directly influence the performance of reaction.Once irrational distribution of the heat in entire reaction system, will cause more
Kind negative effect, such as reaction conversion ratio is low, catalyst inactivation and byproduct of reaction are more, more seriously such case can
The pipeline that reactor can be damaged and its be connected with reactor.Most typical in the negative effect of heat irrational distribution is exactly to react
The bad control of device temperature so that the selectivity and yield of catalyst are relatively low.In addition, for hydrogen feedstock (alcohol, alkane etc.) will be contained
It is converted into the hydrogen production process of hydrogen-rich gas, is by inputting enough energy to entire hydrogen-making reaction procedure, allowing containing in hydrogen feedstock
C-H bond and the fractures such as carbon-carbon bond, form the small-molecule substances such as hydrogen, carbon monoxide, carbon dioxide.Wherein, most common input
The mode of energy is exactly that will contain hydrogen feedstock using combustion parts, and energy is provided for hydrogen production process by its combustion reaction.For this
The reactor that the class endothermic reaction and exothermic reaction are carried out at the same time, when heat absorption and exothermic quantity and inconsistent speed, Jiu Huizhi
It connected the variation of reaction temperature and showed, rate of heat release is too fast, then can show as reaction temperature in the region of the endothermic reaction
Height is spent, it is serious hot-spot more likely occur, is inactivated in advance so as to cause catalyst, side reaction increases, product gas does not conform to
The consequences such as lattice；And rate of heat release is excessively slow, then the reaction temperature of the endothermic reaction can be caused too low, directly results under reaction conversion ratio
Drop, or even can not be normally carried out.
The market demand and technology requirement due to future to small distributed and portable fuel battery power-supply system, generally
Such hydrogen-manufacturing reactor inner space is relatively small, how to ensure that mixing of the material in smaller space and distribution are also such small
One of the key problem of type hydrogen-manufacturing reactor.
Invention content
To make up the deficiencies in the prior art, one of the technical problem to be solved in the present invention is how to improve efficiency of combustion and biography
The thermal efficiency reduces the heat transmission resistance of endothermic process and exothermic process；The invention solves another technical problem be how
The integrated level for improving entire hydrogen-manufacturing reactor realizes the miniaturization of reactor.A kind of suction heat release coupling is provided based on this present invention
Hydrogen-manufacturing reactor will contain hydrogen feedstock (alcohol, alkane etc.) by strongly exothermic and highly endothermic matching and be converted into hydrogen-rich gas.It is logical
Cross using modes such as multistage mixing, multistage bafflings, with ensure reaction stream be uniformly distributed and different logistics between abundant mix
It closes.
The inventive concept of the present invention is such：First, it will thus provide the combustion reaction of heat of reaction and offer hydrogen-rich product
The hydrogen production reaction of gas concentrates in same reactor, achievees the purpose that be easy to augmentation of heat transfer；Also by the distribution of raw material, mixing, pre-
The processes such as heat, gasification concentrate on the different parts of same reactor so that reactor meets volume compact, the demand of miniaturization.
In order to achieve the above purpose, the technical solution adopted by the present invention is：
A kind of hydrogen-manufacturing reactor for inhaling heat release coupling is the multi-layer cylinder structure of concentric-ring pattern, from the outer to the inner successively
For low-temp reaction raw material cavity, pyroreaction raw material cavity, hydrogen production reaction chamber, combustion reaction chamber, combustion distribution chamber, burn mixing chamber and
Cushion chamber above burning mixing chamber, the air cushion chamber for forming cushion chamber is connected and is connected to raw material cushion chamber, in sky
It is equipped with air intake above gas cushion chamber, combustion material entrance is equipped with above raw material cushion chamber, is set above hydrogen production reaction chamber
There is product gas outlet, combustion tail gas is equipped with above combustion distribution chamber and is exported, is set between combustion material entrance and product gas outlet
There is valve group, hydrogen feedstock entrance and water inlet are equipped in reactor bottom.
Wherein, low-temp reaction raw material cavity, pyroreaction raw material cavity and hydrogen production reaction chamber are sequentially communicated, combustion reaction chamber with and
Two chambers are separated completely equipped with partition board between hydrogen production reaction chamber, making two chamber independent closeds, there is no the mutual friendships of logistics between two chambers
It changes and flows.It is respectively provided with different catalyst in two chamber cavitys.
The air cushion chamber, raw material cushion chamber, burning mixing chamber are connected to two-by-two, burning mixing chamber, combustion distribution chamber
It is sequentially communicated with combustion reaction chamber.It is respectively arranged with ceramics inside cushion chamber, raw material cushion chamber, combustion distribution chamber and burning mixing chamber
Class porous regenerator filler, but specific porosity is different with internal gutter specification；It is more inside air cushion chamber and raw material cushion chamber
The equivalent diameter of the porosity 70-90% of Porous materials, internal gutter are 2-6 millimeters；Combustion distribution chamber and burning mixing chamber) it is internal
The equivalent diameter of the porosity 50-70% of porous material, internal gutter are 0.5-1 millimeters.
Combustion distribution chamber is adjacent with combustion reaction chamber and is connected to, and has a partition board between combustion distribution chamber and combustion reaction chamber,
Partition board top half keeps two chambers completely isolated, and partition board lower half portion makes two chambers be connected by distribution hole.
Preferably, the interior design of the low-temp reaction raw material cavity, pyroreaction raw material cavity has porous metals corrugated surface,
Curved surface thickness 0.2mm-1mm has punching, equivalent diameter 0.3mm-2mm on curved surface；Stainless steel, aluminium or copper can be used in material.
Two classes mainly occur in hydrogen-manufacturing reactor to chemically react, the chemical reaction that hydrogen production reaction intracavitary is absorbed heat, mainly
It is converted into the chemical reaction of hydrogen-rich gas to contain hydrogen feedstock (alcohol, alkane etc.)；And exothermicization mainly occurs for combustion reaction intracavitary
Reaction is learned, the stable operation for entire reactor provides heat in need.Combustion reaction intracavitary participate in reaction substance be：
When hydrogen-manufacturing reactor starts, the air entered using the reaction raw materials and air intake entered by combustion material entrance is being burnt
Catalyst combustion reaction in reaction chamber provides the operation energy of entire reactor.After hydrogen-manufacturing reactor stable operation, pass through valve
Door group implementation process switching, the reaction raw materials entered by combustion material entrance are switched to hydrogen production reaction chamber by corresponding switching flow
Portioned product gas.The air entered using portioned product gas and air intake from hydrogen production reaction chamber is in combustion reaction chamber
Catalyst combustion reaction the operation energy of entire reactor is provided.
Preferably, the valve group includes being located at combustion material entrance top valve V1, valve V2 and combustion above product gas outlet
Valve V3 between feed(raw material)inlet, product gas outlet is burnt, in hydrogen-manufacturing reactor initial operating stage, valve V1 and valve V2 are full-gear, valve V3
For full-shut position.Reaction raw materials are passed through from combustion material entrance to reactor, air, raw material are passed through from air intake to reactor
It is finally contacted with air and carries out combustion reaction；The product gas of reactor is by product gas outlet outflow reactor of the invention.
After system stable operation, reaction stream control valve group start start adjust, slowly turn down first valve V1 until
It is completely closed, and valve V3 must be slowly opened while turning down valve V1；After valve V1 is completely closed, believed according to the temperature of monitoring
Number T, feedback valve V2, valve V3, by controlling the pressure signal P of monitoring, to distribute the logistics that outlet flows into；When the temperature of monitoring
Degree signal T reach it is specified require and stablize it is constant after, reactor completes primary complete switching.After the completion of switching, valve V2 passes through
Temperature signal, pressure signal association, continuous automatic fine tuning valve V2 open degrees ensure appropriate number of portioned product gas without production
Product gas exports, but is again introduced into reactor via valve V3.
In above-mentioned coupled hydrogen making reactor, reaction raw materials can derive from the alcohols such as methanol or ethyl alcohol or methane, natural gas and
The hydro carbons such as liquefied gas.
Reaction raw materials and water are entered by hydrogen feedstock entrance and water inlet respectively, after the bottom of reactor is mixed just
Followed by reaction raw materials chamber, pyroreaction raw material cavity and hydrogen production reaction chamber, ultimately generates hydrogen-rich product gas and flowed out by outlet.
Reaction raw materials and air enter corresponding raw material cushion chamber and air by combustion material entrance and air intake respectively
Cushion chamber, and followed by burning mixing chamber, combustion distribution chamber and combustion reaction chamber, finally exported and flowed out by combustion tail gas.
The reactor of the present invention takes full advantage of air flow method design, differential responses are effectively matched, ensureing reactor
High heat transfer efficiency and reaction temperature be uniformly distributed, the reasonable layout and system for having effectively achieved system thermal stablize fortune
Row.Present invention obviates mode of traditional combustion parts containing hydrogen feedstock, but by designing corresponding control strategy.For suction
The reactor that thermal response and exothermic reaction are carried out at the same time causes to inhale since heat absorption and exothermic quantity and speed are often inconsistent
There is the problem of hot-spot in the region of thermal response, and the present invention is inhaling exothermic two main regions, i.e. combustion reaction chamber and system
It is designed, can be generated to avoid hot spot so that heat absorbing side temperature is easier to control using the logistics of concurrent flow between hydrogen reaction chamber.
After the hydrogen-manufacturing reactor stable operation of the present invention, maintains the heat of reactor stable operation to be switched to by reaction raw materials and come from system
The portioned product air lift of hydrogen reaction chamber supplies, and further increases the hydrogen production efficiency of reactor.The present invention also by the cushion chamber of raw material,
The design of distribution cavity, mixing chamber and distribution cavity has well solved the problem of material in small-sized reaction compartment is unevenly distributed,
Also by cushion chamber, raw material cushion chamber, combustion distribution chamber, burn mixing chamber internal porous material filling, avoid combustible with
Air contacts the possibility exploded.Portioned product gas Returning reactor burn instead by designing corresponding valve group
It answers, further improves the energy efficiency of entire hydrogen-manufacturing reactor.For this purpose, the present invention is not only by efficient between differential responses
Matching has effectively buffered heat release and has fluctuated to entire reaction process also by the means such as accumulation of heat filler and reactor dimensions optimization
The influence brought.In conclusion the hydrogen-manufacturing reactor of the present invention has the characteristics that compact, small-sized external form, there is high burning to imitate
Rate and heat transfer efficiency reduce the heat transmission resistance of endothermic process and exothermic process, have a good application prospect.
Description of the drawings
Fig. 1 is a kind of hydrogen-manufacturing reactor axial cross-sectional views of suction heat release coupling；
Fig. 2 is a kind of hydrogen-manufacturing reactor internal flows flow schematic diagram of suction heat release coupling.
Fig. 3 is a kind of switching control flow diagram of combustion material；
Fig. 4 is a kind of reaction temperature profile inhaled inside the hydrogen-manufacturing reactor that heat release couples
Wherein, 1, combustion material entrance, 2, air intake, 3, hydrogen feedstock entrance, 4, water inlet, 5, product gas outlet,
6, combustion tail gas exports, and 11, air cushion chamber, 12, raw material cushion chamber, 13, combustion distribution chamber, 14, burning mixing chamber, 15, combustion
Burn reaction chamber, 16, hydrogen production reaction chamber, 17, pyroreaction raw material cavity, 18, low-temp reaction raw material cavity, 25, outlet, V1, V2, V3
Valve.
Specific implementation mode
The present invention is described in detail below by attached drawing 1-4 and specific embodiment, but is not limited the scope of the invention.Such as without spy
Different explanation, experimental method of the present invention is conventional method, and experiment equipment used, material, reagent etc. can be from business
Channel obtains.
Embodiment
As shown in Figure 1, a kind of hydrogen-manufacturing reactor axial cross-sectional views for inhaling heat release coupling, reactor is concentric-ring pattern
Multi-layer cylinder structure is followed successively by low-temp reaction raw material cavity 18, pyroreaction raw material cavity 17, hydrogen production reaction chamber from the outer to the inner
16, combustion reaction chamber 15, combustion distribution chamber 13, burn mixing chamber 14 and the cushion chamber above burning mixing chamber 14.The system
Hydrogen reactor shares 4 material inlets and 2 material outlets, and material inlet is：Combustion material entrance 1, air intake 2, hydrogen manufacturing
Feed(raw material)inlet 3 and water inlet 4；Material outlet is：Product gas outlet 5 and combustion tail gas outlet 6.It is set above air cushion chamber 11
There is air intake 2, combustion material entrance 1 is equipped with above raw material cushion chamber 12, product gas is equipped with above hydrogen production reaction chamber 16
Outlet 5 is equipped with combustion tail gas outlet 6 above combustion distribution chamber 13, is equipped between combustion material entrance 1 and product gas outlet 5
Valve is equipped with hydrogen feedstock entrance 3 and water inlet 4 in reactor bottom.
Above-mentioned low-temp reaction raw material cavity 18, pyroreaction raw material cavity 17 and hydrogen production reaction chamber 16 are sequentially communicated, composition buffering
The air cushion chamber 11 of chamber is connected and is connected to raw material cushion chamber 12.It combustion reaction chamber 15 and is equipped between hydrogen production reaction chamber 16
Partition board separates two chambers completely, and making two chamber independent closeds, there is no logistics between two chambers to be exchanged with each other and flow.Two chamber cavitys
Inside it is respectively provided with different catalyst.Wherein there is chemical reaction in combustion reaction chamber 15 and hydrogen production reaction chamber 16；Burning is anti-
It answers in chamber 15 and hydrogen production reaction chamber 16 and is respectively provided with corresponding combustion catalyst and catalyst for preparing hydrogen；And other regions, predominantly
Physical change is related to the processes such as heat exchange, mixing, distribution.Combustion distribution chamber 13 is adjacent with combustion reaction chamber 15 and is connected to, burning point
There are a partition board, partition board top half to keep two chambers completely isolated between cloth chamber 13 and combustion reaction chamber 15, partition board lower half portion passes through
Distribution hole makes two chambers be connected.
The porosity 70-90% of 12 inner ceramic class porous regenerator filler of air cushion chamber 11 and raw material cushion chamber, it is internal
The equivalent diameter in duct is 2-6 millimeters；The hole of combustion distribution chamber 13 and burning 14 inner ceramic class porous regenerator filler of mixing chamber
The equivalent diameter of gap rate 50-70%, internal gutter are 0.5-1 millimeters.The low-temp reaction raw material cavity 18, pyroreaction raw material cavity
17 interior design has a porous metals corrugated surface, curved surface thickness 0.2mm-1mm, has punching, equivalent diameter on curved surface
0.3mm-2mm；Stainless steel, aluminium or copper can be used in material.
It is the hydrogen-manufacturing reactor internal flows flow schematic diagram of above-mentioned suction heat release coupling as shown in Figure 2.In entire reactor
Portion shares two parts logistics.
Wherein, one logistics is to provide the energy needed for entire reactor operation.This burst of logistics starts from combustion material and enters
Mouth 1 and air intake 2, finally by 6 outflow of combustion tail gas outlet, specific flow direction is：Reaction raw materials by combustion material entrance 1 into
Enter, take the lead in contact raw material cushion chamber 12, has ceramic-like porous regenerator filler in raw material cushion chamber 12, after reactor stable operation,
Ceramic-like porous regenerator filler in raw material cushion chamber 12 can preheat reaction raw materials well；Air is entered by air intake 2, rate
First ingress of air cushion chamber 11 is also equipped with ceramic-like porous regenerator filler in air cushion chamber 11, after reactor stable operation,
Ceramic-like porous regenerator filler in air cushion chamber 11 equally shifts to an earlier date preheated air；Reaction raw materials and air after preheating can be first
Primary mixing is first carried out near the porous interval between air cushion chamber 11 and raw material cushion chamber 12, then passes through air cushion
The distribution grid of 12 lower section of chamber 11 and raw material cushion chamber enters burning mixing chamber 14；The porous aggregate to burn in mixing chamber 14 is further
Enhance the mixing between reaction raw materials and air；Reaction raw materials and air after being sufficiently mixed are flowed through 14 lower section of mixing chamber of burning
Go out, and flowed up in combustion distribution chamber 13, combustion reaction chamber 15 is entered by combustion distribution chamber 13, in combustion catalyst
Under effect, reaction raw materials and air carry out catalyst combustion reaction in combustion reaction chamber 15, and the heat that reaction generates is passed through combustion
The partition board burnt between reaction chamber 15 and hydrogen production reaction chamber 16 is transferred to the hydrogen production reaction in hydrogen production reaction chamber 16；After combustion reaction
Combustion tail gas then by combustion tail gas outlet 6 outflow.
Another burst of logistics is mainly to provide the hydrogen-rich product gas needed for entire user, this burst of logistics starts from hydrogen feedstock and enter
Mouth 3 and water inlet 4, are finally flowed out by product gas outlet 5, and specific flow direction is：Reaction raw materials are entered by hydrogen feedstock entrance 3, water
Entered by water inlet 4, the bottom that the two enters after reactor directly in reactor is mixed, mixed reaction raw materials and water
Low-temp reaction raw material cavity 18 is flowed through from the bottom to top, is turned back back pyroreaction raw material cavity 17 on reactor top, and flow from top to bottom
Through entire pyroreaction raw material cavity 17；By the preheating of low-temp reaction raw material cavity 18 and pyroreaction raw material cavity 17, reaction raw materials
Suitable reaction temperature is reached with water, and hydrogen production reaction chamber 16 is entered by 16 lower part of hydrogen production reaction chamber, in combustion reaction chamber 15
Under the heat that interior catalyst combustion reaction provides, reaction raw materials and water carry out hydrogen manufacturing chemical reaction, and hydrogeneous raw alcohol, alkane etc. are turned
Turn to the hydrogen-rich gas needed for user；Final hydrogen-rich product gas is by 5 outflow reactor of product gas outlet.
After system stable operation, hydrogen-manufacturing reactor of the invention also by by the switching of combustion material, further increases
The hydrogen production efficiency of reactor.Specific handoff procedure is shown in Fig. 3, and which depict a kind of switching control flow diagrams of combustion material.
After product gas outlet 5 can stablize output hydrogen-rich product gas, reaction stream control valve group, which starts to start, to be adjusted.It is specific to start
Flow is：After reactor reaches stable operation, the control unit of reactor sends out switching command, and valve V2 is standard-sized sheet shape at this time
State, valve V3 are full-shut position；Slowly turn down first valve V1 until its completely close, must slowly be opened while turning down valve V1
Valve V3；After valve V1 is completely closed, the middle temperature signal T, feedback valve V2, V3 monitored, passes through and controls monitoring according to fig. 2
Pressure signal P, to distribute the logistics flowed by Fig. 3 middle outlets 25；When the temperature signal T of monitoring reaches specified requirement and stablizes not
After change, reactor completes primary complete switching；Finally, under this stable state, valve V2 by with temperature signal, pressure signal
It is associated, constantly by automatic fine tuning valve opening degree, ensure suitable number of portioned product gas without product gas outlet 5,
But it is again introduced into reactor via valve V3, achieve the purpose that reactor stable operation.
Application examples 1
Using methane as reaction raw materials, overall height 450mm, overall diameter 180mm have loaded 0.8 liter of catalysis burning altogether
Catalyst has loaded 2 liters of catalyst for preparing hydrogen；After stable operation, when the volume flow for the unstripped gas that hydrogen feedstock entrance 3 enters is
150 liters/min, the water flow that water inlet 4 enters is 420 ml/mins, and the volume content of products obtained therefrom gas is：Hydrogen 70-
76%, carbon monoxide 8-14%, carbon dioxide 10-16%, methane 0-0.5%；A kind of hydrogen manufacturing of suction heat release coupling of the present invention
Reaction temperature profile inside the hydrogen production reaction chamber 16 of reactor is shown in Fig. 4, and the distribution of temperature bed is equal during the reactor reaction
It is even, the reasonability of the designs such as the advantage that heat release coupling is inhaled in the present invention and mixing, distribution has been embodied well.Application examples 2
Using methanol as reaction raw materials, overall height 150mm, overall diameter 70mm have loaded 70 milliliters of catalysis burnings altogether
Catalyst has loaded 120 milliliters of catalyst for preparing hydrogen；After stable operation, when hydrogen feedstock entrance 3 enter methanol be 15 milliliters/
Minute, the water flow that water inlet 4 enters is 8 ml/mins, and the volume content of products obtained therefrom gas is：Hydrogen 70-74.5%, one
Carbonoxide 1-4%, carbon dioxide 20-24.5%, methanol 0-0.05%.
The preferable specific implementation mode of the above, only the invention, but the protection domain of the invention is not
It is confined to this, any one skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection domain it
It is interior.
Claims (10)
1. it is a kind of inhale heat release coupling hydrogen-manufacturing reactor, which is characterized in that be concentric-ring pattern multi-layer cylinder structure, by outer layer to
Internal layer is followed successively by low-temp reaction raw material cavity (18), pyroreaction raw material cavity (17), hydrogen production reaction chamber (16), combustion reaction chamber
(15), combustion distribution chamber (13), burning mixing chamber (14) and the cushion chamber above burning mixing chamber (14), form cushion chamber
Air cushion chamber (11) be connected and be connected to raw material cushion chamber (12), air intake is equipped with above the air cushion chamber (11)
(2), it is equipped with combustion material entrance (1) above raw material cushion chamber (12), goes out equipped with product gas above hydrogen production reaction chamber (16)
Mouth (5) is equipped with combustion tail gas outlet (6), combustion material entrance (1) and product gas outlet (5) above combustion distribution chamber (13)
Between be equipped with valve group, reactor bottom be equipped with hydrogen feedstock entrance (3) and water inlet (4).
2. hydrogen-manufacturing reactor according to claim 1, which is characterized in that low-temp reaction raw material cavity (18), pyroreaction are former
Material chamber (17) and hydrogen production reaction chamber (16) are sequentially communicated, combustion reaction chamber (15) and between hydrogen production reaction chamber (16) equipped with partition board
Catalyst will be housed in the partition completely of two chambers and two chamber cavitys.
3. hydrogen-manufacturing reactor according to claim 1, which is characterized in that the air cushion chamber (11), raw material buffering
Chamber (12), burning mixing chamber (14) are connected to two-by-two；Burn mixing chamber (14), combustion distribution chamber (13) and combustion reaction chamber (15) according to
Secondary connection.
4. hydrogen-manufacturing reactor according to claim 1, which is characterized in that combustion distribution chamber (13) and combustion reaction chamber (15)
Between there is a partition board, partition board top half to keep two chambers completely isolated, partition board lower half portion makes two chambers be connected by distribution hole.
5. hydrogen-manufacturing reactor according to claim 1, which is characterized in that in cushion chamber (11), raw material cushion chamber (12), combustion
It burns and is respectively arranged with ceramic-like porous regenerator filler inside distribution cavity (13) and burning mixing chamber (14).
6. hydrogen-manufacturing reactor according to claim 1, which is characterized in that air cushion chamber (11) and raw material cushion chamber (12)
The equivalent diameter of the porosity 70-90% of internal porous material, internal gutter are 2-6 millimeters；Combustion distribution chamber (13) and burning
The equivalent diameter of the porosity 50-70% of mixing chamber (14) internal porous material, internal gutter are 0.5-1 millimeters.
7. hydrogen-manufacturing reactor according to claim 1, which is characterized in that the low-temp reaction raw material cavity (18), high temperature are anti-
Answering the interior design of raw material cavity (17) has a porous metals corrugated surface, curved surface thickness 0.2mm-1mm, has punching on curved surface, works as
Measure diameter 0.3mm-2mm；Stainless steel, aluminium or copper can be used in material.
8. hydrogen-manufacturing reactor according to claim 1, which is characterized in that the valve group includes being located at combustion material entrance
(1) top valve V1, valve V3 between product gas outlet (5) top valve V2 and combustion material entrance (1), product gas outlet (5).
9. hydrogen-manufacturing reactor according to claim 1, which is characterized in that reaction raw materials can derive from alcohols or hydro carbons.
10. hydrogen-manufacturing reactor according to claim 1, which is characterized in that reaction raw materials from methanol, ethyl alcohol, methane,
Natural gas or liquefied gas.
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| CN115899561A (en) * | 2022-12-26 | 2023-04-04 | 大连理工大学 | Self-heating type device and method for rapidly releasing hydrogen from metal hydride |
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