CN107253699B - A kind of hydrogen preparation facilities - Google Patents
A kind of hydrogen preparation facilities Download PDFInfo
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- CN107253699B CN107253699B CN201710378281.8A CN201710378281A CN107253699B CN 107253699 B CN107253699 B CN 107253699B CN 201710378281 A CN201710378281 A CN 201710378281A CN 107253699 B CN107253699 B CN 107253699B
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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
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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
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0405—Purification by membrane separation
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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
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1005—Arrangement or shape of catalyst
- C01B2203/1035—Catalyst coated on equipment surfaces, e.g. reactor walls
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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
- C01B2203/16—Controlling the process
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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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- Combustion & Propulsion (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The present invention provides a kind of hydrogen preparation facilities, comprising: base enclosure；Catalyst converter, in the base enclosure, the reformation gas containing hydrogen is generated for making gaseous methanol fuel that catalysis reaction occur, the catalyst converter is connected with heater, the heater is used to increase its temperature in catalyst converter starting, so as to be converted to gaseous methanol fuel into the liquid methanol fuel in the catalyst converter；Purifier is set in the base enclosure and is connected with the catalyst converter, for the reformation gas to be separated into exhaust gas and hydrogen；Heat exchanger, it is connected in the base enclosure and with the catalyst converter, liquid methanol fuel enters the catalyst converter after heat exchanger heat exchange as refrigerant, and the heat exchanger is connected with the purifier simultaneously, and the exhaust gas is discharged after heat exchanger heat exchange respectively respectively with hydrogen；And controller, it is used to control the operation of the catalyst converter, purifier, heat exchanger and heater.Hydrogen preparation facilities figure of the invention is small and exquisite, simple for structure and portable.
Description
Technical field
The present invention relates to the field of hydrogen generation in chemical industry, in particular to a kind of hydrogen preparation facilities.
Background technique
The frequency of use of hydrogen industrially is very high.In the prior art for there are many industrial production process of hydrogen:
1. water electrolysis is obtained hydrogen and oxygen by electrolysis method.When chlorine industry electrolytic salt solution produces chlorine, caustic soda
Generate byproduct hydrogen gas.Electrolysis method can obtain pure hydrogen, but power consumption is very high, every production hydrogen 1m3, power consumption up to 21.6~
25.2MJ。
2. the cracking gas that this method of hydrocarbon cracking method obtains contains a large amount of hydrogen, the content view feedstock property and cracking condition of hydrogen
It is different and different.Cracking gas cryogenic separation obtains the hydrogen of purity 90%, can be used as industrial hydrogen, urges as being used as in petrochemical industry
Change the raw material for adding hydrogen.
3. hydrocarbon steam conversion method hydro carbons in the presence of high mild catalyst, can act on vapor and hydrogeneous synthesis is made
Gas.In order to obtain pure hydrogen from synthesis gas, molecular sieve can be used by pressure-variable adsorption and remove other gases；UF membrane can also be used
Obtain pure hydrogen；With Metal Palladium adsorbed hydrogen, it may separate out 1000 times that hydrogen volume reaches metal.
4. the various hydrogen-containing gas generated in refinery gas petroleum refinery production process, such as catalytic cracking, catalytic reforming, petroleum
(hydrogeneous 45%~60%) passes through cryogenic separation to the hydrogen-containing gas and coke-stove gas that the processes such as coking generate, and purity can be obtained
Higher plant hydrogen.
But the above method is required to biggish place space, the volume of equipment is also more huge, using being not too square
Just, and Expenses Cost is larger, and some independent laboratories or small-sized construction site etc. are less applicable in.Moreover, because hydrogen
With high risk sexual, therefore not portable, for user in some small-sized places using hydrogen when make troubles.
Summary of the invention
Problem to be solved by this invention is to provide that a kind of figure is small and exquisite, and hydrogen simple for structure and portable prepares dress
It sets.
To solve the above-mentioned problems, the present invention provides a kind of hydrogen preparation facilities, for being prepared by liquid methanol fuel
Hydrogen, the hydrogen preparation facilities include:
Base enclosure；
Catalyst converter is set in the base enclosure, generates the weight containing hydrogen for making gaseous methanol fuel that catalysis reaction occur
Whole gas, the catalyst converter are connected with heater, and the heater is used to increase its temperature in catalyst converter starting, so that into
Liquid methanol fuel in the catalyst converter is converted to gaseous methanol fuel；
Purifier is set in the base enclosure and is connected with the catalyst converter, for by the reformation gas be separated into exhaust gas with
Hydrogen；
Heat exchanger is set in the base enclosure and is connected with the catalyst converter, and liquid methanol fuel is changed as described in refrigerant warp
Enter the catalyst converter after hot device heat exchange, the heat exchanger is connected with the purifier simultaneously, and the exhaust gas passes through respectively with hydrogen
It is discharged respectively after the heat exchanger heat exchange；And
Controller is used to control the operation of the catalyst converter, purifier, heat exchanger and heater.
Preferably, the hydrogen preparation facilities further includes counterbalance valve and the exhaust gas treating device that is connected with the heat exchanger,
It is connected with first pipe between the heat exchanger and the entrance of counterbalance valve, is connected with second between the exhaust gas treating device and the outlet of counterbalance valve
Pipeline, the exhaust gas after heat exchange is after the first pipe enters counterbalance valve decompression through described in second pipe entrance
Exhaust gas treating device processing forms flue gas, and the flue gas is discharged after heat exchanger heat exchange.
Preferably, the exhaust gas treating device and the heater are arranged side by side, the catalyst converter, purifier, heat exchanger
And exhaust gas treating device stacks setting.
Preferably, the hydrogen preparation facilities further includes a cabinet, the heater part or all with it is described
Exhaust gas treating device is located in the cabinet, is laid with heat insulation foam on a lateral surface of the cabinet, the heat exchanger and it is described every
Hot cotton mutually reclines.
Preferably, the catalyst converter includes:
First shell；And
Multiple rows of catalysis pipeline is set in the first shell, is coated with catalyst, position on the inner wall of the catalysis pipeline
It is sequentially connected from head to tail to form tortuous channel in the more catalysis pipelines of same row, the adjacent two rows catalysis pipeline enclosure is logical
Connecting pipe is crossed to be connected.
Preferably, the exhaust gas treating device includes:
Second shell；And
Cordierite burning bed, be set to the second shell in, the cordierite burning bed include by four blocks of side plates successively
It connects the outline border surrounded and muti-piece interval is set in the outline border and intersects to form latticed plate, the axis of grid hole
Parallel with the bottom plate of the second shell, the hole wall of the grid hole, which is equipped with, carries out urging for combustion reaction for catalytic waste gas
Agent.
Preferably, it is rectangular cubic type that the second shell, which is cross section, the cordierite burning bed is set to
The middle part of the second shell cavity, and constitute the one of side plate and the bottom wall phase of the second shell of the outline border
Recline, constitute the outline border other two blocks of opposite side plates it is corresponding with the two sidewalls of the second shell cavity respectively recline,
The cavity of the second shell to be divided into the second sub- chamber for being used to accommodate the first sub-chamber of exhaust gas and being used to accommodate flue gas
Second pipe described in room is connected with first sub-chamber, and multiple Raschig rings and/or Pall ring are equipped in first sub-chamber.
Preferably, the heat exchanger includes:
It is rectangular cubic type that third shell, which is cross section, and the third shell has a chamber；And
Heat exchanger tube is rectangular tube, and the heat exchanger tube is more and is set in the chamber side by side, the two of the heat exchanger tube
End is connected with the side wall of the chamber respectively, and the heat exchanger tube makes to form the slit flowed through for liquid methanol fuel in the chamber
Runner；It is corresponded on the side wall of the chamber and offers through-hole at the nozzle of the heat exchanger tube to be respectively formed the heat exchanger
Entrance and exit.
Preferably, the purifier includes two pressure plates and multiple stacks the purifier being set between two pieces of pressing plates
Monomer, the purifier monomer include first-class guidance tape, filter membrane component and second guidance tape, and the first-class guidance tape has first
Runner, the arrival end of the first runner is connected with the catalyst converter reforms gas for introducing, and the filter membrane component is for separating
The exhaust gas of the hydrogen reformed in gas out, formation is discharged through the outlet end of the first runner, and the second guidance tape has
For receiving and exporting the second flow channel of hydrogen.
Preferably, the heater is electrically heated rod.
The beneficial effect of hydrogen preparation facilities of the invention is that figure is small and exquisite, simple for structure, can not only efficiently prepare
Hydrogen out, and preparation cost is lower, while carrying convenient for user.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of hydrogen preparation facilities of the invention.
Fig. 2 is the schematic diagram of internal structure of hydrogen preparation facilities of the invention.
Fig. 3 is the structural schematic diagram of the purifier in the present invention.
Fig. 4 is the part-structure exploded view of the purifier in the present invention
Fig. 5 is the structure sectional view of the catalyst converter in the present invention.
Fig. 6 is the schematic diagram of internal structure of the exhaust gas treating device in the present invention.
Fig. 7 is the schematic perspective view of the heat exchanger in the present invention.
Fig. 8 is the structure sectional view of the heat exchanger in the present invention.
Appended drawing reference:
1- base enclosure；2- catalyst converter；3- purifier；4- heat exchanger；5- exhaust gas treating device；6- counterbalance valve；7- heater；8-
One pipeline；9- second pipe；11- heat insulation foam；12- pressing plate；The first-class guidance tape of 13-；14- second guidance tape；15- clamping plate；16- palladium
Copper film；17- first shell；18- is catalyzed pipeline；19- connecting pipe；20- second shell；21- cordierite burning bed；22- first
Sub-chamber；The second sub-chamber of 23-；24- third shell；25- heat exchanger tube；26- slit conduit；27- controller；28- purifier list
Body.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be described in detail.
As depicted in figs. 1 and 2, the present invention provides a kind of hydrogen preparation facilities, for preparing hydrogen by liquid methanol fuel
Gas.The hydrogen preparation facilities includes:
Base enclosure 1；
Catalyst converter 2 is set in base enclosure 1, generates the reformation containing hydrogen for making gaseous methanol fuel that catalysis reaction occur
Gas, the catalyst converter 2 are connected with heater 7, which is used to increase temperature (raising of catalyst converter 2 when catalyst converter 2 starts
Temperature afterwards can be the operating temperature of catalyst converter 2), it also is understood as increasing the temperature of catalyst converter 2 when hydrogen preparation facilities starts
Degree, so as to gaseous methanol fuel is converted into the liquid methanol fuel in catalyst converter 2, that is, catalyst converter 2 is enable normally to transport
Row；
Purifier 3 is set in base enclosure 1 and is connected with catalyst converter 2, is separated into exhaust gas and hydrogen for that will reform gas；
Heat exchanger 4 is connected in base enclosure 1 and with purifier 3, so that the high-temp waste gas and hydrogen that are discharged from purifier 3
Gas can respectively enter to be discharged after exchanging heat respectively in heat exchanger 4；Heat exchanger 4 is simultaneously with catalyst converter 2 and for storing liquid first
The holding vessel (can also be the storage device of other forms, which can be set in base enclosure 1) of alcohol fuel is connected, liquid methanol
Fuel enters in heat exchanger 4 from after holding vessel outflow as refrigerant, and (exhaust gas is located at hydrogen with the exhaust gas and hydrogen of high temperature
In two heat exchanger tubes 25, will be described in detail below) it exchanges heat respectively, so that heat exchange is discharged after being at least partially converted into gaseous state in it
Device 4 simultaneously flows to catalyst converter 2；And
Controller 27 is set to for controlling the operation of catalyst converter 2, purifier 3, heat exchanger 4, heater 7 in base enclosure 1,
And the flow direction of liquid methanol fuel is adjusted simultaneously.Such as when hydrogen preparation facilities is just activated, controller 27 can control heater 7
To heating up inside base enclosure 1, when at least reaching the operating temperature of catalyst converter 2, the control of controller 27 opens holding vessel (in figure not
Show) valve, so that liquid methanol fuel is flowed to and is reacted in catalyst converter 2, (liquid methanol fuel can be by being separately provided
Pipeline flows directly into catalyst converter 2, can also first pass through heat exchanger 4 by original pipeline and be flowed in catalyst converter 2 again).
Hydrogen preparation facilities in the present embodiment further includes counterbalance valve 6 and the exhaust gas treating device that is connected with heat exchanger 4
5.Wherein, the setting of exhaust gas treating device 5 is that the exhaust gas isolated due to purified device 3 contains a large amount of carbon monoxide and a small amount of
Hydrogen, air can be polluted by being expelled directly out, and be polluted the environment.And the setting of counterbalance valve 6 is in order to ensure the work of purifier 3
Pressure is stablized, and can operate normally.Specifically, first pipe 8, exhaust gas treating device are connected between heat exchanger 4 and the entrance of counterbalance valve 6
5 and counterbalance valve 6 outlet between be connected with second pipe 9, the exhaust gas after heat exchange through first pipe 8 enter counterbalance valve 6 be depressured (normal pressure)
It is handled and is formed flue gas (high temperature) into exhaust gas treating device 5 by second pipe 9, the flue gas is again through the heat exchange (drop of heat exchanger 4
Temperature) heel row is into atmosphere.
Further, in this embodiment heater 7 be electrically heated rod, be arranged side by side with exhaust gas treating device 5, and common
It is installed in a cabinet, which is the biggish rectangle of aspect ratio, i.e., it is more slim, to save installation space.Its
In, electrically heated rod can be fully located in cabinet also one end and stretch out cabinet in order to which same power supply device connects.In order to reduce hydrogen
The volume of preparation facilities saves installation space, carries convenient for user, purifier 3, catalyst converter 2, cabinet in the present embodiment and
Heat exchanger 4 successively stacks setting (stack mode is not unique, the position of each device is adjustable).Preferably, continuing with Fig. 1, cabinet
Lower surface on be laid with certain thickness heat insulation foam 11, heat exchanger 4 reclines with 11 phase of heat insulation foam, to avoid the two intersection
Heat exchange, causes to influence each other.
As shown in Figure 3 and Figure 4, the purifier 3 in the present embodiment includes that two pressure plates 12 and multiple stack are set to two pieces
Purifier monomer 28 between pressing plate 12.The purifier monomer 28 includes first-class guidance tape 13 and second parallel with pressing plate 12
Runner plate 14 and the filter membrane component between two pieces of runner plates.First-class guidance tape 13 has U-shaped first runner, first runner
Arrival end be connected with the outlet end of catalyst converter 2 for introduce reform gas.Filter membrane component includes two pieces of folders for allowing gas to pass through
Plate 15 and the palladium copper film 16 between two clamping plates 15, the filter membrane component are used to reform gas and are separated into hydrogen and exhaust gas, and will
Hydrogen and exhaust gas separate in the two sides of filter membrane component, and exhaust gas continues to stay in first runner and the outlet end through first runner is arranged
Out.Second guidance tape 14 has second flow channel, enters in second flow channel after the saturating filtering film component of hydrogen and passes through the second flow channel
Discharge, such as enter Hydrogen collection device or direct plunge into and use.
As shown in figure 5, the catalyst converter 2 in the present embodiment includes:
It is rectangular cubic type that first shell 17, which is cross section, i.e., first shell 17 is bigger in length and breadth, so that
First shell 17 is more slim, saves installation space.The side of first shell 17 upward is open, and lower layer's pressing plate 12 of purifier 3 is pressed
Cover the cover board that first shell 17 is formed in first shell 17；
Multiple rows of catalysis pipeline 18 is set in first shell 17, is coated with catalyst on each inner wall for being catalyzed pipeline 18,
Tortuous gas passage, adjacent two rows of catalysis pipelines are wherein sequentially connected from head to tail to form positioned at the more catalysis pipelines 18 of same row
It is connected between 18 by connecting pipe 19.Gaseous methanol fuel enters after catalyst converter 2 the successively shape after multiple rows of catalysis pipeline 18
At reformation gas.Since the laying mode of the more catalysis pipelines 18 is ingenious, therefore it may make gaseous methanol fuel in catalyst converter 2
Residence time is longer, and what can be contacted with catalyst is more abundant, to guarantee to be catalyzed the more thorough of reaction progress.
As shown in fig. 6, the exhaust gas treating device 5 in the present embodiment includes:
It is rectangular cubic type that second shell 20, which is cross section, i.e., second shell 20 is bigger in length and breadth, so that
Second shell 20 is more slim, saves installation space；And
Cordierite burning bed 21, be set to second shell 20 in, the cordierite burning bed 21 include by four blocks of side plates successively
It connects the outline border that surrounds and muti-piece interval is set in outline border and intersects to form latticed plate, the axis of grid hole and the
The bottom plate of two shells 20 is parallel, and hole wall is equipped with the catalyst that combustion reaction is carried out for catalytic waste gas.It is, this reality
Applying the exhaust gas treating device 5 in example is that nontoxic carbon dioxide and water vapour (that is, flue gas) are formed it by burning waste gas
Mode carry out exhaust-gas treatment.In addition, a large amount of thermal energy can also be generated by burning waste gas, obtain the temperature in base enclosure 1
To maintain, the internal environment heat supply of base enclosure 1 is continued as without heater 7, saves the energy.
Further, continuing with Fig. 6, cordierite burning bed 21 is set to the middle part of 20 cavity of second shell, and its outline border
Simultaneously mutually recline simultaneously with the bottom wall of 20 cavity of second shell and two sidewalls, i.e., outline border be located at bottom side plate and second shell 20
The bottom wall of cavity mutually reclines, and the side plate of outline border two sides is corresponding with the two sidewalls of 20 cavity of second shell respectively to recline, that is, the violet is green
Stone burning bed 21 is equivalent to one piece of filter plate being arranged in the middle part of 20 cavity of second shell, and the cavity of second shell 20 is separated
For the first sub-chamber 22 for accommodating exhaust gas and the second sub-chamber 23 for accommodating flue gas, that is, the first sub-chamber 22 with
Second pipe 9 is connected, and the second sub-chamber 23 is connected with heat exchanger 4.Preferably, in order to enable exhaust gas can be fired with cordierite
It burns bed 21 to come into full contact with, is additionally provided with multiple Raschig rings in the first sub-chamber 22 in the present embodiment and/or Pall ring (does not show in figure
Out), so that forming a plurality of gas flow in the first sub-chamber 22, exhaust gas through a plurality of gas flow uniformly and in different location into
Enter in cordierite burning bed 21, makes to have sufficient exhaust gas in each grid hole of cordierite burning bed 21.
As shown in Figure 7 and Figure 8, the heat exchanger 4 in the present embodiment includes:
Third shell 24, has a chamber, and the third shell 24 and its chamber are that cross section is rectangular vertical
Cube type, i.e., third shell 24 is bigger in length and breadth, so that third shell 24 is more slim, saves installation space；
Heat exchanger tube 25 is rectangular tube, which three (can also be more) be arranged altogether and are set in chamber side by side,
The both ends of each heat exchanger tube 25 are connected with the side wall of chamber respectively, correspond on the side wall of chamber and offer at the nozzle of heat exchanger tube 25
Through-hole is to be respectively formed the entrance and exit of heat exchanger 4, and three heat exchanger tubes 25 are respectively used to receive and convey in the present embodiment
Exhaust gas, hydrogen and flue gas.When practical application, if the specific heat capacity of hydrogen is lower, can directly it collect, and flue-gas temperature and specific heat capacity phase
To it is higher when, hydrogen can be enabled not pass through heat exchanger tube 25, and make Gas phase Smoke after by heat exchanger tube 25 twice to accelerate to exchange heat.That is, cigarette
Gas enters back into another heat exchanger tube 25 after first passing through a heat exchanger tube 25, can also pass through two heat exchanger tubes 25 simultaneously.Further,
More heat exchanger tubes 25 make to form the slit conduit 26 flowed through for liquid methanol fuel (refrigerant) in chamber, that is, the slit conduit 26
It is connected with holding vessel and catalyst converter 2, liquid methanol fuel, which flows into after slit conduit 26 carries out heat exchange heating, enters catalyst converter 2
In.Wherein, the present embodiment preferably sets " flat box " shape for third shell 24, and sets rectangular tube for heat exchanger tube 25 simultaneously,
It is while to keep slit conduit 26 narrower to make that more gases can be accommodated in heat exchanger tube 25, so that liquid methanol fuel
The thermal energy of gas in heat exchanger tube 25 can be fully absorbed, own temperature is improved, it is promoted to be converted into gaseous methanol fuel.Further
Ground if liquid methanol fuel temperature before entering heat exchanger 4 is just higher, or is equipped with more heat exchanger tubes in third shell 24
25, when can be a greater amount of liquid methanol fuel heat supplies, 25 volume of heat exchanger tube can be reduced, slit conduit 26 is made to broaden, and
Metal partion (metp) can be set in slit conduit 26, slit conduit 26 is divided into a plurality of subflow road, preferably auxiliary improves liquid
The heating rate of state methanol fuel.
Above embodiments are only exemplary embodiment of the present invention, are 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 within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (9)
1. a kind of hydrogen preparation facilities, for preparing hydrogen by liquid methanol fuel, which is characterized in that the hydrogen preparation dress
It sets and includes:
Base enclosure；
Catalyst converter is set in the base enclosure, generates the reformation gas containing hydrogen for making gaseous methanol fuel that catalysis reaction occur,
The catalyst converter is connected with heater, and the heater is used to increase its temperature in catalyst converter starting, so that described in
Liquid methanol fuel in catalyst converter is converted to gaseous methanol fuel, and the catalyst converter includes: first shell and multiple rows of catalysis
Pipeline is set in the first shell, catalyst is coated on the inner wall of the catalysis pipeline, positioned at the more institutes of same row
It states catalysis pipeline and is sequentially connected from head to tail to form tortuous channel, the adjacent two rows catalysis pipeline enclosure is connected by connecting pipe
It is logical；
Purifier is set in the base enclosure and is connected with the catalyst converter, for the reformation gas to be separated into exhaust gas and hydrogen；
Heat exchanger is set in the base enclosure and is connected with the catalyst converter, and liquid methanol fuel is as refrigerant through the heat exchanger
Enter the catalyst converter after heat exchange, the heat exchanger is connected with the purifier simultaneously, and the exhaust gas passes through described respectively with hydrogen
It is discharged after heat exchanger heat exchange；And
Controller is used to control the operation of the catalyst converter, purifier, heat exchanger and heater.
2. hydrogen preparation facilities according to claim 1, which is characterized in that the hydrogen preparation facilities further includes counterbalance valve
The exhaust gas treating device being connected with the heat exchanger is connected with first pipe, the tail between the heat exchanger and the entrance of counterbalance valve
Second pipe is connected between treatment apparatus and the outlet of counterbalance valve, the exhaust gas after heat exchange enters the back through the first pipe
Enter the exhaust gas treating device processing through the second pipe after pressure valve decompression and form flue gas, the flue gas is changed through the heat exchanger
It is discharged after heat.
3. hydrogen preparation facilities according to claim 2, which is characterized in that the exhaust gas treating device and the heater are simultaneously
Row's setting, the catalyst converter, purifier, heat exchanger and exhaust gas treating device stack setting.
4. hydrogen preparation facilities according to claim 3, which is characterized in that the hydrogen preparation facilities further includes a case
Body, part or all of the heater are located in the cabinet with the exhaust gas treating device, a lateral surface of the cabinet
On be laid with heat insulation foam, the heat exchanger mutually reclines with the heat insulation foam.
5. hydrogen preparation facilities according to claim 2, which is characterized in that the exhaust gas treating device includes:
Second shell；And
Cordierite burning bed is set in the second shell, and the cordierite burning bed includes being sequentially connected by four blocks of side plates
The outline border surrounded and muti-piece interval are set in the outline border and intersect to form latticed plate, the axis of grid hole and institute
The bottom plate for stating second shell is parallel, and the hole wall of the grid hole is equipped with the catalysis that combustion reaction is carried out for catalytic waste gas
Agent.
6. hydrogen preparation facilities according to claim 5, which is characterized in that the second shell is that cross section is rectangle
Cubic type, the cordierite burning bed is set to the middle part of the second shell cavity, and constitutes wherein the one of the outline border
Side plate described in block and the bottom wall of the second shell mutually recline, constitute other two blocks of opposite side plates of the outline border respectively with institute
The two sidewalls correspondence for stating second shell cavity reclines, and the cavity of the second shell is divided into and is used to accommodate the first of exhaust gas
Sub-chamber and the second sub-chamber for accommodating flue gas, the second pipe are connected with first sub-chamber, first son
Multiple Raschig rings and/or Pall ring are equipped in chamber.
7. hydrogen preparation facilities according to claim 1, which is characterized in that the heat exchanger includes:
It is rectangular cubic type that third shell, which is cross section, and the third shell has a chamber；And
Heat exchanger tube is rectangular tube, and the heat exchanger tube is more and is set in the chamber side by side, the both ends point of the heat exchanger tube
It is not connected with the side wall of the chamber, the heat exchanger tube makes to form the slit stream flowed through for liquid methanol fuel in the chamber
Road；It is corresponded on the side wall of the chamber and offers through-hole at the nozzle of the heat exchanger tube to be respectively formed entering for the heat exchanger
Mouth and outlet.
8. hydrogen preparation facilities according to claim 1, which is characterized in that the purifier includes two pressure plates and multiple
Stack the purifier monomer between being set to two pieces of pressing plates, the purifier monomer include first-class guidance tape, filter membrane component and
Second guidance tape, the first-class guidance tape have first runner, and the arrival end of the first runner is mutually used in conjunction with the catalyst converter
Gas is reformed in introducing, the filter membrane component is used to isolate the hydrogen in the reformation gas, and the exhaust gas of formation is through described first-class
The outlet end in road is discharged, and the second guidance tape has the second flow channel for receiving and exporting hydrogen.
9. hydrogen preparation facilities according to claim 1, which is characterized in that the heater is electrically heated rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378281.8A CN107253699B (en) | 2017-05-25 | 2017-05-25 | A kind of hydrogen preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378281.8A CN107253699B (en) | 2017-05-25 | 2017-05-25 | A kind of hydrogen preparation facilities |
Publications (2)
| Publication Number | Publication Date |
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| CN107253699A CN107253699A (en) | 2017-10-17 |
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| CN111425283A (en) * | 2020-04-14 | 2020-07-17 | 苏州钧峰新能源科技有限公司 | Tail gas purification device of methanol fuel power generation system |
| CN114772549B (en) * | 2022-03-29 | 2024-01-30 | 北京东方华氢科技有限公司 | Hydrogen preparation system |
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