CN106829860A - A kind of hydrogen preparation facilities - Google Patents
A kind of hydrogen preparation facilities Download PDFInfo
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- CN106829860A CN106829860A CN201710079029.7A CN201710079029A CN106829860A CN 106829860 A CN106829860 A CN 106829860A CN 201710079029 A CN201710079029 A CN 201710079029A CN 106829860 A CN106829860 A CN 106829860A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- 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
- C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/501—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
- C01B3/503—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion characterised by the membrane
- C01B3/505—Membranes containing palladium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
- C01B2203/0827—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel at least part of the fuel being a recycle stream
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- 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
- C01B2203/1217—Alcohols
- C01B2203/1223—Methanol
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/14—Details of the flowsheet
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/16—Controlling the process
- C01B2203/1614—Controlling the temperature
- C01B2203/1623—Adjusting the temperature
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/16—Controlling the process
- C01B2203/1642—Controlling the product
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/16—Controlling the process
- C01B2203/169—Controlling the feed
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Hydrogen, Water And Hydrids (AREA)
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Abstract
The present invention provides a kind of hydrogen preparation facilities, and for preparing hydrogen using liquid methanol, the hydrogen preparation facilities includes：Base enclosure；Evaporator, the methyl alcohol for being used to be introduced into the base enclosure in the base enclosure is converted to gaseous state by liquid；Catalytic bed, is connected in the base enclosure and with the evaporator, and catalytic reaction generation reformation gas occurs for making gaseous methanol；Purifier, is connected in the base enclosure and with the catalytic bed, for purifying out hydrogen from the reformation gas；And fuel assembly, in the base enclosure, the fuel assembly thinks that the catalytic bed and evaporator heat supply are abundant so as to ensure the catalytic reaction of methyl alcohol for making the cold air in introducing base enclosure heat up.Hydrogen preparation facilities of the invention is with low cost and can efficiently prepare hydrogen.
Description
Technical field
The present invention relates to chemical field, more particularly to a kind of hydrogen preparation facilities.
Background technology
Hydrogen frequency of use industrially is very high.Have various for the industrial production process of hydrogen in the prior art：
1. water electrolysis is obtained hydrogen and oxygen by electrolysis.When chlorine industry electrolytic salt solution produces chlorine, caustic soda
Generation byproduct hydrogen gas.Electrolysis can obtain pure hydrogen, but power consumption is very high, often produce hydrogen 1m3, power consumption up to 21.6~
25.2MJ。
2. the cracking gas that this method of hydrocarbon cracking method is obtained contains a large amount of hydrogen, and the content of hydrogen regards feedstock property and cracking condition
It is different and different.Cracking gas cryogenic separation obtains the hydrogen of purity 90%, can be as industrial hydrogen, such as being urged in petrochemical industry
Change the raw material of hydrogenation.
3. hydrocarbon steam conversion method hydro carbons can be made hydrogeneous synthesis in the presence of high temperature and catalyst with vapor effect
Gas.In order to obtain pure hydrogen from synthesis gas, other gases can be removed by pressure-variable adsorption using molecular sieve；Also UF membrane can be used
Obtain pure hydrogen；Metal Palladium adsorbed hydrogen is used, 1000 times that hydrogen volume reaches metal are may separate out.
4. the various hydrogen-containing gas for being produced in refinery gas petroleum refinery production process, such as catalytic cracking, catalytic reforming, oil
The processes such as coking produce hydrogen-containing gas, and coke-stove gas (hydrogeneous 45%~60%) can obtain purity by cryogenic separation
Plant hydrogen higher.
But the above method is required to larger place space, the volume of equipment is also more huge, using being not too square
Just.And Expenses Cost is larger, do not benefited from for some small business.
The content of the invention
Problem to be solved by this invention is to provide a kind of low cost and can efficiently prepare the hydrogen preparation dress of hydrogen
Put.
In order to solve the above problems, the present invention is provided, a kind of hydrogen preparation facilities, for preparing hydrogen using liquid methanol
Gas, the hydrogen preparation facilities includes：
Base enclosure；
Evaporator, the methyl alcohol for being used to be introduced into the base enclosure in the base enclosure is converted to gaseous state by liquid；
Catalytic bed, is connected in the base enclosure and with the evaporator, and catalytic reaction occurs for making gaseous methanol
Generation reformation gas；
Purifier, is connected in the base enclosure and with the catalytic bed, for purifying out hydrogen from the reformation gas
Gas；And
Fuel assembly, in the base enclosure, the fuel assembly is used to make the cold air in introducing base enclosure be heated up
Think that the catalytic bed and evaporator heat supply are abundant so as to ensure the catalytic reaction of methyl alcohol.
Preferably, the fuel assembly includes cordierite burner and rod；It is blue or green that the rod is located at the violet
The top of stone burner, liquid methanol from the liquid outlet of the rod into the cordierite burner in burnt.
Preferably, the rod includes：
Calandria, it is in shaft-like；
Shell body, it is the body of one end closing and is placed on the heating in vitro；And
Connecting portion, it is located on the calandria and is connected with the opening end of the shell body；
Wherein, the shell body is fixed on the heating in vitro by with the connecting portion detachable connection, and same institute
The liquid storage cylinder that connecting portion cooperatively forms closing is stated, the connecting portion is provided with the inlet being connected with the liquid storage cylinder, along institute
The length direction for stating shell body arranges multiple through holes connected with the liquid storage cylinder, and the through hole forms the liquid outlet.
Preferably, the hydrogen preparation facilities also includes：
Fan, the air inlet located at the base enclosure in base enclosure for introducing cold air；And
Gas heat-exchanger, the gas heat-exchanger has at least two heat exchanger channels, is exchanged heat described at least one logical
Road is connected with the purifier for receiving the high-temp waste gas isolated by the purifier, is exchanged heat described at least one logical
Road is connected with the air inlet for receiving cold air；
The cold air sequentially passes through the gas heat-exchanger, catalytic bed, fuel assembly, steaming into after in the base enclosure
The base enclosure is discharged after hair device, purifier, gas heat-exchanger.
Preferably, the gas heat-exchanger includes that multiple stacks the heat exchange monomer of setting, each described heat exchange monomer
Include the first heat exchanger plates being oppositely arranged, the second heat exchanger plates and be arranged between first heat exchanger plates and the second heat exchanger plates
Thermal insulation layer, first heat exchanger plates of two adjacent heat exchange monomers are fitted with second heat exchanger plates, and phase
Thermal insulation layer is provided between first heat exchanger plates and the second heat exchanger plates of two adjacent heat exchange monomers；On first heat exchanger plates
The multiple rows of or heat exchanging holes of multiple row first are interval with, two adjacent institutes in same row or same row are located on second heat exchanger plates
The second heat exchanging holes are equipped between stating the first heat exchanging holes, are offered on the thermal insulation layer for connecting first heat exchanging holes and second
The gas port of heat exchanging holes, adjacent first heat exchanging holes and the second heat exchanging holes are respectively formed heat exchanging part on same heat exchange monomer, many
The adjacent heat exchanging part is connected a plurality of through the heat exchanger and in roundabout shape to be formed in the individual heat exchange monomer
Heat exchanger channels.
Preferably, the purifier bag multiple stacks the purifier monomer of setting and is carried for being fixed described in multiple
The hold-down gear of pure device monomer, the purifier monomer includes stacking successively first-class guidance tape, the first web plate, the palladium copper of setting
Film, the second web plate and second guidance tape；The first-class guidance tape and second the guidance tape equal indent in side towards each other are with respectively
The first groove and the second groove are formed, multiple deflectors are equipped with first groove and the second groove, so that described first
Form the roundabout first flow for introducing reformation gas and discharge the waste gas isolated by the palladium copper film in groove, described the
The roundabout second flow channel for deriving the hydrogen isolated by the palladium copper film is formed in two grooves；
Same one end of multiple first-class guidance tapes is provided with and is connected to form reformation gas respectively with first groove
Import and first stomata and the second stomata of waste gas outlet；The second guidance tape is provided with away from one end of the reformation gas import
Connected with second groove for forming the 3rd stomata of hydrogen outlet；The first-class guidance tape correspondence the 3rd stomata
Place, second guidance tape are corresponded at first stomata and the second stomata and palladium copper film, the first web plate and the second web plate correspondence institute
State offered at the first stomata, the second stomata and the 3rd stomata gas port with each plate correspondence fit when can be formed for holding
Put the chamber of gas.
Preferably, first groove is provided with the 4th stomata and the 5th stomata, institute towards one end of first stomata
State first flow backboard and be provided with two groups of air slots from the side of the filter membrane component；One of which air slot is located at the 4th gas
Be connected between hole and the first stomata and with the 4th stomata and the first stomata so that the reformation gas can pass sequentially through it is described
First stomata, air slot and the 4th stomata enter the first flow；Another group of air slot is located at the 5th stomata and second
Between stomata and communicate therewith, so that the waste gas can pass sequentially through the 5th stomata, air slot and the second stomata outflow institute
State first flow, be located in first groove between being additionally provided between the 4th stomata and the 5th stomata for preventing the two and produced
The strip-shaped baffle of convection current；
The end that the second groove correspondence second flow channel is used to be connected with the 3rd stomata is provided with the 6th gas
Hole, the second flow channel backboard from the side of the filter membrane component be provided with two ends respectively with the 3rd stomata and the 6th stomata phase
The air slot of connection, so that the purification gas can be passed sequentially through described in the outflow of the 6th stomata, air slot and the 3rd stomata
Second flow channel；
The hold-down gear includes two block pressur plates and many hold-down bolts that are oppositely arranged, and the outer rim of two pieces of pressing plates is equal
The purifier monomer is stretched out, many hold-down bolts set one and enclose along the outer rim of the pressing plate, correspondence institute on the pressing plate
State and be equipped with wireway at the first stomata, the second stomata and the 3rd stomata.
Preferably, the hydrogen preparation facilities also includes the standby heater in the base enclosure, it is described standby plus
Hot device is used to preheat it when the hydrogen preparation facilities starts.
Preferably, the hydrogen preparation facilities also includes control unit, the control unit includes：
Valve block, it include for pressure release is carried out to hydrogen preparation facilities system decompression valve, for regulate and control fuel assembly fortune
The operation magnetic valve of row state, the intensification relief valve for controlling catalytic bed temperature, for entering to the bubble in the methanol tank
The exhaust that row is excluded is steeped magnetic valve, the hydrogen output solenoid valve for controlling hydrogen output and is entered for the hydrogen to preparing
The hydrogen relief valve of row pressure release；And
Controller, it is used for the flow direction for controlling each valve to adjust the methyl alcohol, and the controller controls institute simultaneously
State standby heater, located at receiving liquid methanol methanol tank on methanol pump, fan and fuel assembly operation.
Preferably, the hydrogen preparation facilities also includes tail gas radiator and check valve in the base enclosure, by
The waste gas that the purifier is isolated flowed into by the tail gas radiator and check valve burnt in the fuel assembly with
For improving the temperature in the base enclosure.
The beneficial effect of hydrogen preparation facilities of the invention is that preparation cost is cheap, and it is higher that hydrogen produces efficiency, and has
Effect make use of the reaction heat of wind energy and the chemical reaction occurred when hydrogen is prepared and the waste gas of generation to be evaporator and catalysis
Bed heat supply, greatly reduces energy loss.
Brief description of the drawings
The internal structure schematic diagram (part-structure is only shown in figure) of Fig. 1 hydrogen preparation facilities of the invention.
Fig. 2 is the fundamental diagram of hydrogen preparation facilities of the invention.
Fig. 3 is the structural representation of the rod in hydrogen preparation facilities of the invention.
Fig. 4 is the structure sectional view of the rod in hydrogen preparation facilities of the invention.
Fig. 5 is the structural representation of the calandria in hydrogen preparation facilities of the invention.
Fig. 6 is the structural representation of the connecting portion in hydrogen preparation facilities of the invention.
Fig. 7 is the structural representation of the gas heat-exchanger in hydrogen preparation facilities of the invention.
Fig. 8 is the structural representation of the heat exchange monomer in hydrogen preparation facilities of the invention.
Fig. 9 is the decomposition chart of the heat exchange monomer in hydrogen preparation facilities of the invention.
Figure 10 is the structural representation of the purifier in hydrogen preparation facilities of the invention.
Figure 11 is the decomposition chart of the purification monomer in hydrogen preparation facilities of the invention.
Figure 12 is the structural representation of the first-class guidance tape side in hydrogen preparation facilities of the invention.
Figure 13 is the structural representation of the first-class guidance tape opposite side in hydrogen preparation facilities of the invention.
Figure 14 is the enlarged drawing of A points in Figure 13.
Figure 15 is the structural representation of the second guidance tape in hydrogen preparation facilities of the invention.
Figure 16 is the sectional view of the pressing plate in hydrogen preparation facilities of the invention.
Reference：
1- base enclosures；2- evaporators；3- catalytic beds；4- purifiers；5- rods；6- cordierite burners；7- calandrias；8-
Shell body；9- connecting portions；10- inlets；11- liquid outlets；12- feed tubes；13- liquid storage cylinders；The heat exchanger plates of 14- first；15- second
Heat exchanger plates；16- thermal insulation layers；The heat exchanging holes of 17- first；The heat exchanging holes of 18- second；19- through holes；The stomatas of 20- first；The stomatas of 21- second；
The stomatas of 22- the 3rd；The first-class guidance tapes of 23-；24- second guidance tapes；25- first flows；26- second flow channels；27- filter membrane plates；28-
First web plate；The web plates of 29- second；30- deflectors；31- strip-shaped baffles；The stomatas of 32- the 4th；The stomatas of 33- the 5th；34- air slots；
35- pressing plates；36- hold-down bolts；37- boss；38- wireways；The stomatas of 39- the 6th；40- fans；The standby heaters of 41-；42- first
Alcohol pump；43- methanol tanks；44- tail gas radiators；45- check valves；46- system decompression valves；47- runs magnetic valve；48- heats up electric
Magnet valve；49- exhaust bubble magnetic valves；50- hydrogen output solenoid valves；51- gas heat-exchangers；52- hydrogen relief valves；53- hydrogen
Outlet；54- gas ports.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail.
As depicted in figs. 1 and 2, embodiments of the invention provide a kind of hydrogen preparation facilities, for by liquid methanol system
It is standby go out hydrogen.The hydrogen preparation facilities includes：
Base enclosure 1, it is provided with air inlet and air outlet；
Evaporator 2, it is located in base enclosure 1 for methyl alcohol to be converted into gaseous state by liquid；
Catalytic bed 3, it is located in base enclosure 1 and is connected with evaporator 2, contains for making gaseous methanol that catalytic reaction generation to occur
There is the reformation gas of hydrogen；Namely there is catalytic reaction in the methyl alcohol of liquid by entering in catalytic bed 3 after the transition status of evaporator 2
Generation hydrogen and waste gas (such as C0, CO2With the gaseous mixture of vapor), hydrogen is mixed to form reformation gas with waste gas；
Purifier 4, it is located in base enclosure 1 and is connected with catalytic bed 3, for purifying out hydrogen from reformation gas；
Fuel assembly, it is located in base enclosure 1, and the fuel assembly is used to make the cold air in introducing base enclosure 1 be heated up, with
For the catalytic reaction of catalytic bed 3 and the heat supply of evaporator 2 and then guarantee methyl alcohol is abundant.The methyl alcohol of liquid is namely set all to turn
Gaseous methyl alcohol is turned to, while ensureing that gaseous methyl alcohol can fully react generation hydrogen.
Further, liquid methanol is stored in the methanol tank for being provided with methanol pump in this implementation, and base enclosure 1 is a casing, is entered
Air port is respectively positioned on the bottom of casing with air outlet.Continuing with shown in Fig. 1 and 2, fuel assembly is specifically included：
Cordierite burner 6 and rod 5；Cordierite burner 6 in the present embodiment is cordierite honeycomb ceramic, this reality
The top that rod 5 is placed in example cordierite burner 6 is applied, the multiple of liquid methanol (or gaseous methanol) spontaneous combustion rod 5 goes out
Liquid mouthfuls 11 is into fully being burnt in each honeycomb of cordierite burner 6.
Specifically, as shown in Figures 3 to 6, rod 5 includes：
Calandria 7, it is in shaft-like；
Shell body 8, it is the body of one end closing, and is placed on outside calandria 7；And
Connecting portion 9, it is located on calandria 7 and is connected with the opening end of shell body 8.
Wherein, shell body 8 is fixed on outside calandria 7 by the detachable connection with connecting portion 9, and with connecting portion 9
Cooperatively form the liquid storage cylinder 13 of closing.Connecting portion 9 in the present embodiment in a tubular form, and is arranged in one end of shell body 8, connecting portion
9 are provided with the inlet 10 being connected with liquid storage cylinder 13, and the feed tube 12 for introducing methyl alcohol is additionally provided with inlet 10, go out liquid
Mouth 11 is located on shell body 8, and the rod 5 in the present embodiment has multiple liquid outlets 11, and the plurality of liquid outlet 11 is along body
Length direction is set.
Further, continuing with shown in Fig. 2, hydrogen preparation facilities also includes that at least one fan 40 and air heat are exchanged
Device, fan 40 is used for cold air is conveyed in base enclosure 1, and the fan 40 in the present embodiment is provided with four, and is arranged at base enclosure 1
Air inlet；Gas heat-exchanger have at least two heat exchanger channels, its at least one heat exchanger channels be connected with purifier 4 with
In the high-temp waste gas that purifier 4 is isolated are received from, at least one heat exchanger channels are connected with air inlet for receiving cold air.
Direction as denoted by the arrows in fig. 2, cold air sequentially passes through gas heat exchange after being introduced in base enclosure 1 by fan 40
Base enclosure 1 is discharged after device, catalytic bed 3, fuel assembly, evaporator 2, purifier 4, gas heat-exchanger 51.That is, cold air is first through gas
Heat exchangers 51 are lowered the temperature the high-temp waste gas for preparing hydrogen and producing, while obtaining heat, improve own temperature, then
Flow to catalytic bed 3.Because catalytic reaction is the endothermic reaction, therefore the temperature of catalytic bed 3 need to be enhanced, the cold air stream after intensification
Heat is supplied to after catalytic bed 3 as the waste gas produced at catalytic bed 3 together flows to fuel assembly during to catalytic bed 3, is damaged
The cold air and waste gas of loss of heat amount temperature after the burning of fuel assembly are greatly improved, and then it flows to evaporator 2, by heat
Amount passes to evaporator 2, to meet temperature needs when liquid methanol is converted to gaseous methanol.And due to the now cold air with
The temperature of waste gas is still higher, is directly discharged in air to cause damage air and facility etc., while for energy saving, most
Heat energy produced by bigization utilization, the cold air continues to flow into gas heat-exchanger 51 with waste gas, its heat is passed to again
The new cold air for introducing, forms circulation.
Specifically, as shown in fig. 7, gas heat-exchanger 51 includes：
Multiple heat exchange monomer, the gas that each heat exchange monomer is respectively provided with least two permission different temperatures passes through and makes each gas
The heat exchanging part of heat exchange is carried out, multiple heat exchange monomer is stacked and set so that heat exchanging part corresponding in multiple heat exchange monomers forms one
Bar or a plurality of heat exchanger channels through heat exchanger.
Wherein, the heat exchanging part for passing through for the gas for same temperature in each heat exchange monomer is multiple, multiple heat exchange
Portion forms multiple rows of or multiple row, is connected positioned between the heat exchanging part of same a line or same row, so that positioned at same row or same row
Heat exchanger channels are connected.Namely gas heat exchanger can be simultaneously independent by multiple gases, multiple gases is exchanged heat, respectively
Gas is not contacted in gas heat-exchanger, it is ensured that the purity of each gas.With logical with two rows heat exchange in following the present embodiment
Illustrated as a example by the gas heat-exchanger in road.Wherein row's heat exchanger channels of the gas heat-exchanger in the present embodiment are used to draw
Enter the waste gas of high temperature, another row's heat exchanger channels are used to introduce cold air, and so, the waste gas of high temperature just can transmit its own heat energy
Own temperature, and then the waste gas outlet outflow from base enclosure 1 are reduced to cold air.And cold air receives temperature liter after heat energy
Height, the temperature of catalytic bed 3 just can be lifted when it flows to catalytic bed 3, it is ensured that the catalytic reaction of methyl alcohol is smoothed out and can be anti-
Should be complete.
With reference to shown in Fig. 8 and Fig. 9, each heat exchange monomer includes the first heat exchanger plates 14, the second heat exchanger plates that are oppositely arranged
15 and the thermal insulation layer 16 that is arranged between the first heat exchanger plates 14 and the second heat exchanger plates 15, adjacent two the first of heat exchange monomer change
Hot plate 14 is fitted with the second heat exchanger plates 15, and adjacent two first heat exchanger plates 14 and the second heat exchanger plates of heat exchange monomer
Also thermal insulation layer 16 is provided between 15.First heat exchanger plates 14 are provided with the first heat exchanging holes 17 of two row's bar shapeds, positioned at the first of same row
The interval setting of heat exchanging holes 17, is equipped with equally on the second heat exchanger plates 15 between two first adjacent heat exchanging holes 17 of the same row of correspondence
It is the second heat exchanging holes 18 of bar shaped, that is, two is formed with the second heat exchanger plates 15 to ranked second heat exchanging holes 18.Opened on thermal insulation layer 16
It is provided with the through hole 19 for connecting adjoining the first heat exchanging holes 17 and the second heat exchanging holes 18, the setting quantity and shape of the through hole 19
Shape is not unique, as long as can pass the gas through.Thermal insulation layer 16 can be made up of any heat-barrier material, for example heat insulation foam, ceramics
Fiber etc..And in order to ensure good heat-transfer effect, the first heat exchanger plates 14 and the second heat exchanger plates 15 in the present embodiment preferably by
Aluminium sheet is made.In addition, stacking multiple first heat exchanger plates 14 of setting, the second heat exchanger plates 15 and thermal insulation layer 16 in the present embodiment by spiral shell
Bolt is fixedly connected, with easy disassembly heat exchanger, while can according to actual needs increase and decrease the quantity of heat exchange monomer, using more
Flexibly.Further, the first heat exchanging holes 17 adjacent on same heat exchange monomer and the second heat exchanging holes 18 form heat exchanging part.For example originally
In embodiment, the first heat exchanging holes 17 on same heat exchange monomer averagely line up two rows along the first heat exchanger plates 14, and multiple second exchanges heat
Two rows are equally averagely lined up in hole 18 along the second heat exchanger plates 15, and wherein position corresponding ranked first the heat exchanging holes of heat exchanging holes 17 and second
Between 18, adjacent each pair the first heat exchanging holes 17 and the second heat exchanging holes 18 are respectively formed a heat exchanging part.
As shown in Figure 10, purifier 4 includes that multiple stacks the purifier monomers of setting and for by multiple purifier monomers
The hold-down gear being fixed.
As shown in Figure 11 and Figure 15, purifier monomer is included for introducing the first-class guidance tape 23 of reformation gas, for that will draw
The reformation gas for entering is separated into waste gas with the filter membrane component of purification gas and for that will purify second guidance tape 24 derived from gas.First
Runner plate 23 and second guidance tape 24 towards the equal indent in side of filter membrane component to form the first groove and the second groove respectively,
Multiple deflectors 30 for making first flow 25 and second flow channel 26 be in roundabout shape are equipped with one groove and the second groove, with
Increase the contact area between reformation gas and filter membrane component, make refining effect more preferably.Filter membrane component includes palladium copper film and for from palladium
The clamping palladium copper film in copper film both sides simultaneously allows the first web plate 28 and the second web plate 29 that gas passes through.The net of first web plate 28 and second
The setting of plate 29 can increase intensity for palladium copper film, be unlikely to deform palladium copper film, fragmentation, even because external cause causes it to burst
When, because the compacting that filter membrane plate 27 is constantly subjected to the first web plate 28 and the second web plate 29 is spacing, therefore its will not produce it is larger
Crack or to fall apart be in fragment, but maintains the original state, therefore can proceed with Purification substantially.
Further, as shown in Figure 12, Figure 13, Figure 14 and Figure 15, same one end of first-class guidance tape 23 is provided with first
Groove is connected to form first stomata 20 and the second stomata 21 of the import of reformation gas and waste gas outlet, second guidance tape 24 respectively
Away from reformation gas import one end be provided with connected with the second groove for formed purification gas outlet the 3rd stomata 22, it is first-class
Guidance tape 23 is corresponded at the 3rd stomata 22, second guidance tape 24 is corresponded at the first stomata 20 and the second stomata 21 and filter membrane, first
Gas port 54 is offered at the correspondence of 28 and second web plate of web plate 29 first stomata 20, the second stomata 21 and the 3rd stomata 22
Chamber for housing gas can be cooperatively formed with hold-down gear with when each plate body correspondence is fitted.Namely formed for converging
The chamber of gas body, is connected with facilitating with external device (ED) (such as catalytic bed 3, Hydrogen collection device), at the same for gas flow into or
Flow out corresponding runner and buffer time is provided.
First groove is provided with the 4th stomata 32 and the 5th stomata 33 towards one end of the first stomata 20, and first-class guidance tape 23 is carried on the back
Two groups of air slots 34 are provided with from the side of filter membrane component；One of which air slot 34 is located between the 4th stomata 32 and the first stomata 20
And be connected with the 4th stomata 32 and the first stomata 20, so that reformation gas can pass sequentially through the first stomata 20, the and of air slot 34
4th stomata 32 enters first flow 25；Another group of air slot 34 is located at and connects between the 5th stomata 33 and the second stomata 21 and with it
It is logical, so that waste gas can pass sequentially through the 5th stomata 33, the outflow first flow 25 of 34 and second stomata of air slot 21.Due to the 4th
Stomata 32 is set up in parallel with the 5th stomata 33, is easy to from the 5th gas after reformation gas flows into first flow 25 from the 4th stomata 32
Flow out in hole 33 so that reformation gas is not obtained also sufficiently purifying and just flowed out first flow 25 so that purification efficiency is not high.To keep away
It is located in the occurrence of exempting from this kind, the first groove between being additionally provided between the 4th stomata 32 and the 5th stomata 33 for preventing the two and is produced
The strip-shaped baffle 31 of raw convection current.The end that second groove correspondence second flow channel 26 is used to be connected with the 3rd stomata 22 is provided with the 6th
Stomata 39, second guidance tape 24 is provided with two ends and is connected with the 3rd stomata 22 and the 6th stomata 39 respectively away from the side of filter membrane component
Logical air slot 34, so that purification gas can pass sequentially through the 6th stomata 39, air slot 34 and the 3rd stomata 22 outflow second
Road 26.
Continuing with shown in Figure 10, hold-down gear includes two block pressur plates 35 and many hold-down bolts 36 that are oppositely arranged, respectively
Purifier monomer is provided with the first stomata 20 and one end of the second stomata 21 is located at the same side, and the one end for being provided with the 3rd stomata 22 is located at
The same side, multiple first stomatas 20, the second stomata 21 and the 3rd stomata 22 are corresponded to and overlapped, and the outer rim of two block pressur plates 35 is stretched out
Purifier monomer, many hold-down bolts 36 set one and enclose along the outer rim of pressing plate 35.As shown in figure 16, the first gas of correspondence on pressing plate 35
Be equipped with wireway 38 at hole 20, the second stomata 21 and the 3rd stomata 22, in order to catalytic bed 3 and dress for collecting hydrogen
Put connected.Furthermore it is preferred that in order that pressing plate 35 can preferably compress each purifier monomer, two block pressur plate in the present embodiment
35 relative sides are each formed with boss 37.
During specific implementation, catalytic bed 3 is connected with the wireway 38 of the first stomata 20 (import of reformation gas) of connection, by waste gas
Collection device with connection the second stomata 21 (waste gas outlet) wireway 38 be connected, by gas transportation facilities with connect the 3rd stomata
The hydrogen that the wireway 38 of 22 (outlets of purification gas) is connected for that will be collected into is direct plungeed into and used.After device starts, reform
Gas enters in purifier 4, and reformation gas is into rear and palladium contact copper film in first flow 25 and produces chemical reaction to form hydrogen ion,
Hydrogen ion generates hydrogen molecule through rear automatic combination in palladium copper film to second flow channel 26, and gradually shape is increased with hydrogen molecule
Into hydrogen stream, and purifier 4 is flowed out along second flow channel 26.
Further, hydrogen preparation facilities also includes control unit and in base enclosure 1 for entering to it when device starts
The standby heater 41 of row preheating.The maximum temperature of the standby heater 41 is 80 DEG C in the present embodiment, certainly also dependent on reality
Border needs to adjust the temperature.Control unit is specifically included：
Valve block, it include for pressure release is carried out to hydrogen preparation facilities system decompression valve 46, for regulating and controlling fuel assembly
The operation magnetic valve 47 of running status, the intensification magnetic valve 48 for controlling catalytic bed temperature, for the gas in methanol tank 43
The exhaust that bubble is excluded steeps magnetic valve 49, the hydrogen output solenoid valve 50 for controlling hydrogen output and for preparing
Hydrogen carry out the hydrogen relief valve 52 of pressure release；And
Controller, it is used to control above-mentioned each valve to adjust the flow direction of methyl alcohol, while controlling standby heater 41, methyl alcohol
The operation of pump 42, fan 40 and fuel assembly.
Preferably, in order to control waste gas to flow to and avoid EGT too high, make discharge when environment is polluted and
Harm, hydrogen preparation facilities of the invention flows out in tail gas radiator 44 and check valve 45 is additionally provided with base enclosure 1 from purifier 4
Portion flowed out by tail gas radiator 44 and check valve 45, due in the present embodiment waste gas need recycle, because
Enter after this its outflow check valve 45 and burnt in rod 5 for improving the temperature inside base enclosure 1.
During specific implementation, for example, when hydrogen preparation facilities starts, controller opens exhaust bubble magnetic valve 49 to exclude methyl alcohol
Closed after bubble in tank 43, and starting standby heater 41 makes system be turned off after being warming up to 80 DEG C, then opens operation
Magnetic valve 47 and methanol pump 42, make the liquid methanol in methanol tank 43 flow to fuel assembly, and the methyl alcohol of liquid is sprayed by rod 5
Pouring is burnt on cordierite burner 6, so as to produce heat.At the same time fan 40 is opened, makes fan 40 in base enclosure 1
Air blast, the air being blown into base enclosure 1 equally burns to produce more heats, and the flowing in base enclosure 1 on cordierite burner 6
With heatable catalytic bed 3 and purifier 4, when the temperature in base enclosure 1 rises to the rated temperature of hydrogen preparation facilities (in the present embodiment
When the temperature of catalytic bed 3 is 200 DEG C, the temperature of fuel assembly is 500 DEG C, for prepared by hydrogen when the temperature of purifier 4 is 300 DEG C
The rated temperature of device) operation magnetic valve 47 is closed, intensification magnetic valve 48 is opened, now the methyl alcohol of liquid is endlessly to steaming
Hair device 2 is poured in and is converted into gaseous methyl alcohol, and catalytic bed 3, fuel assembly etc. is then flowed to successively.That is, now hydrogen prepares dress
Beginning normal work, output hydrogen are put, hydrogen flows out hydrogen outlet 53 or enter hydrogen and conveys dress through hydrogen output solenoid valve 50
Put, in Hydrogen collection device.
When needing to close hydrogen preparation facilities, intensification magnetic valve 48 is closed in controller control, and batch (-type) opens system
Relief valve 46 is catalytic bed 3, fuel assembly, evaporator 2, purifier 4 carry out pressure release, while batch (-type) opens hydrogen relief valve
52, the hydrogen that will be prepared carries out pressure release, when the pressure of hydrogen and the internal pressure of above-mentioned each part are close to gauge pressure 0, hydrogen
Gas preparation facilities enters standby and closed mode.
Above example is only exemplary embodiment of the invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in essence of the invention and protection domain to the present invention
Modification or equivalent are planted, this modification or equivalent also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of hydrogen preparation facilities, for preparing hydrogen using liquid methanol, it is characterised in that the hydrogen preparation facilities bag
Include：
Base enclosure；
Evaporator, the methyl alcohol for being used to be introduced into the base enclosure in the base enclosure is converted to gaseous state by liquid；
Catalytic bed, is connected in the base enclosure and with the evaporator, is generated for making gaseous methanol that catalytic reaction to occur
Reformation gas；
Purifier, is connected in the base enclosure and with the catalytic bed, for purifying out hydrogen from the reformation gas；With
And
Fuel assembly, in the base enclosure, the fuel assembly is thought for making the cold air in introducing base enclosure carry out intensification
The catalytic bed and evaporator heat supply are abundant so as to ensure the catalytic reaction of methyl alcohol.
2. hydrogen preparation facilities according to claim 1, it is characterised in that the fuel assembly includes cordierite burner
And rod；The rod is located at the top of the cordierite burner, and liquid methanol enters from the liquid outlet of the rod
Enter and burnt in the cordierite burner.
3. hydrogen preparation facilities according to claim 2, it is characterised in that the rod includes：
Calandria, it is in shaft-like；
Shell body, it is the body of one end closing and is placed on the heating in vitro；And
Connecting portion, it is located on the calandria and is connected with the opening end of the shell body；
Wherein, the shell body is fixed on the heating in vitro by with the connecting portion detachable connection, and with the company
Socket part cooperatively forms the liquid storage cylinder of closing, and the connecting portion is provided with the inlet being connected with the liquid storage cylinder, along described outer
The length direction of housing arranges multiple through holes connected with the liquid storage cylinder, and the through hole forms the liquid outlet.
4. hydrogen preparation facilities according to claim 1, it is characterised in that the hydrogen preparation facilities also includes：
Fan, the air inlet located at the base enclosure in base enclosure for introducing cold air；And
Gas heat-exchanger, the gas heat-exchanger have at least two heat exchanger channels, heat exchanger channels described at least one with
The purifier is connected for receiving the high-temp waste gas isolated by the purifier, heat exchanger channels described at least one with
The air inlet is connected for receiving cold air；
The cold air sequentially passes through the gas heat-exchanger, catalytic bed, fuel assembly, evaporation into after in the base enclosure
The base enclosure is discharged after device, purifier, gas heat-exchanger.
5. hydrogen preparation facilities according to claim 4, it is characterised in that the gas heat-exchanger is stacked including multiple
The heat exchange monomer of setting, each described heat exchange monomer includes the first heat exchanger plates being oppositely arranged, the second heat exchanger plates and is arranged at
Thermal insulation layer between first heat exchanger plates and the second heat exchanger plates, two adjacent first heat exchanger plates of the heat exchange monomer
It is fitted with second heat exchanger plates, and first heat exchanger plates and second of two adjacent heat exchange monomers exchange heat
Thermal insulation layer is provided between plate；The multiple rows of or heat exchanging holes of multiple row first are interval with first heat exchanger plates, on second heat exchanger plates
The second heat exchanging holes are equipped with positioned between two in same row or same row adjacent first heat exchanging holes, are opened on the thermal insulation layer
The gas port for connecting first heat exchanging holes and the second heat exchanging holes is provided with, adjacent described first changes on same heat exchange monomer
Hot hole and the second heat exchanging holes are respectively formed heat exchanging part, and the adjacent heat exchanging part is connected to be formed in multiple heat exchange monomers
It is a plurality of through the heat exchanger and in the heat exchanger channels of roundabout shape.
6. hydrogen preparation facilities according to claim 4, it is characterised in that the purifier bag multiple stacks carrying for setting
Pure device monomer and the hold-down gear for being fixed multiple purifier monomers, the purifier monomer include stacking successively
First-class guidance tape, the first web plate, palladium copper film, the second web plate and the second guidance tape for setting；The first-class guidance tape and second
The equal indent in guidance tape side towards each other to form the first groove and the second groove respectively, in first groove and the second groove
Multiple deflectors are equipped with, so as to form roundabout for introducing reformation gas and discharge by the palladium copper film in first groove
The first flow of the waste gas isolated, forms roundabout for deriving the hydrogen isolated by the palladium copper film in second groove
The second flow channel of gas；
Same one end of multiple first-class guidance tapes is provided with and is connected to form reformation gas import respectively with first groove
With first stomata and the second stomata of waste gas outlet；The second guidance tape is provided with and institute away from one end of the reformation gas import
The connection of the second groove is stated for forming the 3rd stomata of hydrogen outlet；At the first-class guidance tape correspondence the 3rd stomata,
At second guidance tape correspondence first stomata and the second stomata and palladium copper film, the first web plate and the second web plate correspondence described the
Gas port is offered at one stomata, the second stomata and the 3rd stomata can be formed for housing gas with when each plate correspondence is fitted
The chamber of body.
7. hydrogen preparation facilities according to claim 6, it is characterised in that first groove is towards first stomata
One end be provided with the 4th stomata and the 5th stomata, the first flow backboard is provided with two groups of air guides from the side of the filter membrane component
Groove；One of which air slot is located at and is connected between the 4th stomata and the first stomata and with the 4th stomata and the first stomata
It is logical, so that the reformation gas can pass sequentially through first stomata, air slot and the 4th stomata into the first flow；Separately
One group of air slot is located between the 5th stomata and the second stomata and communicates therewith so that the waste gas can pass sequentially through it is described
5th stomata, air slot and the second stomata flow out and be located in the first flow, first groove the 4th stomata and the
The strip-shaped baffle of convection current is produced between being additionally provided between five stomatas for preventing the two；
The end that the second groove correspondence second flow channel is used to be connected with the 3rd stomata is provided with the 6th stomata, institute
State second flow channel backboard and be provided with two ends from the side of the filter membrane component and be connected with the 3rd stomata and the 6th stomata respectively
Air slot so that it is described purification gas can pass sequentially through the 6th stomata, air slot and the 3rd stomata outflow described second
Runner；
The hold-down gear includes two block pressur plates and many hold-down bolts that are oppositely arranged, and the outer rim of two pieces of pressing plates is stretched out
The purifier monomer, many hold-down bolts set one and enclose along the outer rim of the pressing plate, correspondence described the on the pressing plate
Wireway is equipped with one stomata, the second stomata and the 3rd stomata.
8. hydrogen preparation facilities according to claim 2, it is characterised in that the hydrogen preparation facilities also includes being located at institute
The standby heater in base enclosure is stated, and the standby heater is used to it is preheated when the hydrogen preparation facilities starts.
9. hydrogen preparation facilities according to claim 8, it is characterised in that the hydrogen preparation facilities also includes control
Portion, the control unit includes：
Valve block, it include for pressure release is carried out to hydrogen preparation facilities system decompression valve, for regulate and control fuel assembly operation shape
The operation magnetic valve of state, the intensification relief valve for controlling catalytic bed temperature, for arranging the bubble in the methanol tank
The exhaust for removing is steeped magnetic valve, the hydrogen output solenoid valve for controlling hydrogen output and is let out for the hydrogen to preparing
The hydrogen relief valve of pressure；And
Controller, it is used for the flow direction for controlling each valve to adjust the methyl alcohol, the controller and is treated described in while controlling
Machine heater, located at receiving liquid methanol methanol tank on methanol pump, fan and fuel assembly operation.
10. hydrogen preparation facilities according to claim 9, it is characterised in that the hydrogen preparation facilities also includes being located at
Tail gas radiator and check valve in the base enclosure, the waste gas isolated by the purifier is by the tail gas radiator and list
Burnt for improving the temperature in the base enclosure in flowing into the fuel assembly to valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079029.7A CN106829860B (en) | 2017-02-14 | 2017-02-14 | Hydrogen preparation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079029.7A CN106829860B (en) | 2017-02-14 | 2017-02-14 | Hydrogen preparation device |
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| Publication Number | Publication Date |
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| CN106829860A true CN106829860A (en) | 2017-06-13 |
| CN106829860B CN106829860B (en) | 2020-04-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772549A (en) * | 2022-03-29 | 2022-07-22 | 北京东方华氢科技有限公司 | Hydrogen preparation system |
| CN115010088A (en) * | 2022-08-04 | 2022-09-06 | 江苏铧德氢能源科技有限公司 | Heat energy utilization mechanism in hydrogen production device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708418A (en) * | 2013-12-11 | 2014-04-09 | 浙江大学 | Device for methanol reforming hydrogen production by utilizing waste heat of automobile exhaust gas |
| CN104157889A (en) * | 2014-08-06 | 2014-11-19 | 上海工程技术大学 | Methanol steam reforming hydrogen production reactor for fuel cell car |
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2017
- 2017-02-14 CN CN201710079029.7A patent/CN106829860B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708418A (en) * | 2013-12-11 | 2014-04-09 | 浙江大学 | Device for methanol reforming hydrogen production by utilizing waste heat of automobile exhaust gas |
| CN104157889A (en) * | 2014-08-06 | 2014-11-19 | 上海工程技术大学 | Methanol steam reforming hydrogen production reactor for fuel cell car |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772549A (en) * | 2022-03-29 | 2022-07-22 | 北京东方华氢科技有限公司 | Hydrogen preparation system |
| CN114772549B (en) * | 2022-03-29 | 2024-01-30 | 北京东方华氢科技有限公司 | Hydrogen preparation system |
| CN115010088A (en) * | 2022-08-04 | 2022-09-06 | 江苏铧德氢能源科技有限公司 | Heat energy utilization mechanism in hydrogen production device |
| CN115010088B (en) * | 2022-08-04 | 2022-10-21 | 江苏铧德氢能源科技有限公司 | Heat energy utilization mechanism in hydrogen production device |
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| CN106829860B (en) | 2020-04-07 |
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