CN114057161A - Electromagnetic induction heating methanol water reforming hydrogen production device and hydrogen production method thereof - Google Patents
Electromagnetic induction heating methanol water reforming hydrogen production device and hydrogen production method thereof Download PDFInfo
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- CN114057161A CN114057161A CN202111486935.1A CN202111486935A CN114057161A CN 114057161 A CN114057161 A CN 114057161A CN 202111486935 A CN202111486935 A CN 202111486935A CN 114057161 A CN114057161 A CN 114057161A
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- 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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- 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
- C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
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- 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
- C01B2203/0855—Methods of heating the process for making hydrogen or synthesis gas by electromagnetic heating
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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
- C01B2203/1217—Alcohols
- C01B2203/1223—Methanol
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Abstract
The invention discloses an electromagnetic induction heating methanol water reforming hydrogen production device, which comprises a heating cavity, a plurality of circles of conductive coils and a plurality of magnetic conductive tubes, wherein the conductive coils are wound on the periphery of the heating cavity and are arranged at intervals, the tubes penetrate through the heating cavity and the conductive coils and are arranged at intervals, and a catalyst layer for catalyzing the reaction of methanol and water vapor is arranged on the inner wall of the tubes. Also disclosed is a method for producing hydrogen comprising the steps of: supplying power to each conductive coil to heat the tubes; when the temperature of the tubes reaches the temperature required by the reaction of the methanol and the water vapor, the methanol and the water vapor are introduced into one end of each tube, the methanol and the water vapor react in the tubes to generate hydrogen, and the hydrogen is discharged from the other end of each tube. The electromagnetic induction heating methanol-water reforming hydrogen production device is simple in structure, easy in temperature control and good in heating uniformity. The hydrogen production method has the advantages that the temperature of the tube array is accurately adjusted, the tube array can be continuously maintained at a proper reaction high temperature, and the hydrogen production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of hydrogen production by methanol reforming, in particular to an electromagnetic induction heating methanol water reforming hydrogen production device and a hydrogen production method thereof.
Background
With the rapid development of economy and the enhancement of green environmental awareness in recent years, the concept of "hydrogen economy" is gradually getting into the heart. The hydrogen utilization mode is continuously abundant, the hydrogen energy conversion efficiency is continuously improved, and the hydrogen economic benefit is continuously improved. Because of the potential hazards associated with hydrogen storage and transportation, a great deal of research has been devoted to addressing this problem by on-site production of hydrogen. The preparation of hydrogen by methanol-water reforming hydrogen production technology is one of the most potential ways. In order to meet the use requirement, the hydrogen is conveniently and quickly prepared on site, and the purity and quality requirements are high. Meanwhile, comprehensive requirements of high response speed, high conversion efficiency, low manufacturing cost and the like are also provided in the aspect of a hydrogen preparation device. Therefore, the development demand of the heating hydrogen production integrated methanol-water reforming hydrogen production technology and device capable of quickly responding to hydrogen production is urgent.
The hydrogen production reaction by methanol steam reforming is a strong endothermic reaction, so the reaction bed needs to continuously maintain a proper reaction high temperature, and has a better response speed so as to meet the integrated application of hydrogen production and hydrogen utilization. The main problems are as follows: 1. the traditional tubular reactor provides heat for the methanol reforming hydrogen production reaction by burning methanol, and because the burning is mainly at the inlet section, the heat transferred into the reforming channel occupies a small amount, the energy utilization rate is low, the temperature control is not accurate enough, the temperature change range is large under the influence of gas supply, local overheating is easily caused, the catalyst in the reactor is sintered and inactivated, and the service life is reduced; 2. the existing plate type reactor is provided with a plurality of cavities which are mutually inserted, so that the temperature uniformity of the reactor and the energy ratio for reforming hydrogen production reaction are improved, but the flow channel cavities are complex, a plurality of cavities such as a reforming cavity, a combustion cavity and a gasification cavity are required to be accurately matched to achieve a good hydrogen production effect, and the starting time is long after the reactor is enlarged; 3. the existing microreactor improves the utilization efficiency and heat and mass transfer performance of the catalyst by improving the ratio of the surface area to the volume, but the filling and replacement difficulty of the catalyst is higher, the existing commercial cylindrical granular catalyst is difficult to use, the hydrogen preparation rate is limited, and the hydrogen for higher power is difficult to meet. Because the size is less, and adopt the burning heating, need a plurality of runners parallel operation, manufacturing accuracy requires highly, and manufacturing procedure is comparatively complicated, and manufacturing cost is higher.
To sum up, the existing methanol-steam reforming hydrogen production reactor technology and device still have more not enough, for the global solution existing start-up time is long, heat transfer efficiency is low, the homogeneity is poor, temperature control precision is not enough, hydrogen production power range is narrow scheduling problem, this patent application provides a novel electromagnetic induction heating methanol-water reforming hydrogen production device and hydrogen production method.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the electromagnetic induction heating methanol water reforming hydrogen production device which integrates heating and hydrogen production reactions, has high temperature rise rate, good uniformity and accurate control, simple structure and convenient assembly and disassembly;
further discloses a hydrogen production method which can accurately adjust the temperature of the tube array, ensure that the tube array can be continuously maintained at a proper reaction high temperature and improve the hydrogen production efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an electromagnetic induction heating methanol-water reforming hydrogen plant, includes heating cavity, many circles of conductive coils and many tubulations that have the magnetic conductivity, each the conductive coil is all around the periphery and the interval arrangement of locating the heating cavity, each the tubulation is all worn to locate in heating cavity and each conductive coil and interval arrangement, be equipped with the catalyst layer that the one deck is used for catalyzing methanol and steam to take place the reaction on the inner wall of tubulation.
As a further improvement of the above technical solution:
wall thickness of the tubes
ω is the frequency of the current applied to the conductive coil, γ is the conductivity of the tube and μ is the permeability of the tube.
Two power connection pieces are arranged outside the heating cavity, and each electrode of each conductive coil is connected with the two power connection pieces respectively.
The heating cavity is waist-shaped, and the conductive coil is matched with the outer wall of the heating cavity in shape.
The tubes are evenly distributed around the inner circumference of the heating cavity at intervals.
The heating cavity comprises an encapsulation shell and two end covers which are oppositely arranged, two ends of the encapsulation shell are respectively arranged on the two end covers, the tube array penetrates through the heating cavity, and two ends of the tube array respectively penetrate through the two end covers.
The packaging shell is made of an insulating material.
The electromagnetic induction heating methanol-water reforming hydrogen production device further comprises a mixing container for mixing methanol and water vapor and a collecting container for collecting hydrogen, one end of the tube array is connected with the mixing container, and the other end of the tube array is connected with the collecting container.
A hydrogen production method is carried out by adopting the electromagnetic induction heating methanol-water reforming hydrogen production device, and comprises the following steps:
s1, power supply and heating: supplying power to each conductive coil to heat the tubes;
s2, hydrogen production: when the temperature of the tubes reaches the temperature required by the reaction of the methanol and the water vapor, the methanol and the water vapor are introduced into one end of each tube, the methanol and the water vapor are subjected to chemical reaction in the tubes to generate hydrogen, and the hydrogen is discharged from the other end of each tube.
As a further improvement of the above technical solution:
the temperature of the tube array should satisfy the piecewise function
In which U is the supply voltage of the conductive coil, T0Is the initial temperature of the tubes, TEyes of a userT is more than or equal to 30 ℃ and is the target temperature required by the reaction of methanol and water vaporEyes of a user-T1≤50℃，TFruit of Chinese wolfberryIs the average value of the temperatures actually measured for the tubes.
Compared with the prior art, the invention has the advantages that:
the invention relates to an electromagnetic induction heating methanol water reforming hydrogen production device, which comprises the following steps: firstly, supplying power to each conductive coil to heat the tubes; secondly, when the temperature of the tubes reaches the temperature required by the reaction of the methanol and the water vapor, the methanol and the water vapor are introduced into one end of each tube, the methanol and the water vapor are subjected to chemical reaction in the tubes to generate hydrogen, and the hydrogen is discharged from the other end of the tube and collected by a collecting container. This electromagnetic induction heating methanol-water reforming hydrogen production device heats the alternating magnetic field that the internal formation was heated to the magnetism tubulation of inside through the circular telegram electrically conductive coil, heating temperature realizes accurate control easily, make the tubulation can continuously maintain a suitable reaction high temperature, the temperature rise speed of reaction tube is fast, heat transfer efficiency is higher, guarantee the homogeneity of tubulation heating, hydrogen production efficiency has been improved, simultaneously can be according to the demand of the hydrogen production volume of difference, suitably select the quantity that increases or reduce the coil, in order to satisfy the different heat production demands. In addition, the electromagnetic induction heating methanol-water reforming hydrogen production device has the advantages of simple structure and low manufacturing cost.
According to the device for reforming the hydrogen production by heating the methanol water through the electromagnetic induction, when the current is introduced into the conductive coil, eddy current is generated on the tube array due to the electromagnetic induction, and a large amount of heat is generated on the tube array due to the material impedance of the tube array, so that the required heat is provided for the hydrogen production reaction by reforming the methanol. Under the condition of ensuring that the frequency of the current introduced into the conductive coil is not changed, the required temperature is achieved by adjusting the amplitude of the voltage or the current. The wall thickness d1 of the tube array is kept between omega, gamma and mu
In relation, the heating uniformity of the tubes is good, and the hydrogen production efficiency is high.
According to the device for reforming the methanol water to produce the hydrogen by the electromagnetic induction heating, the heating cavity is waist-shaped, and the conductive coil is matched with the outer wall of the heating cavity in shape. The tubes are evenly distributed around the inner circumference of the heating cavity at intervals. Therefore, the intervals between each row of tubes and each conductive coil are the same, and the heating uniformity of each row of tubes is further improved.
The hydrogen production method adopts the electromagnetic induction heating methanol water reforming hydrogen production device, the alternating magnetic field is formed in the heating cavity after the conductive coil is electrified, the internal magnetic tube nest is heated, the heating temperature is easy to control, the tube nest can be continuously maintained at a proper reaction high temperature, the heating uniformity of the tube nest is ensured, and the hydrogen production efficiency is improved.
The hydrogen production method of the invention adjusts the temperature of the tube array to meet the piecewise function
The adjustment of the temperature of the tube array is more accurate, the tube array can be continuously maintained at a proper reaction high temperature, and the hydrogen production efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of a first view angle of an electromagnetic induction heating methanol-water reforming hydrogen production apparatus according to the present invention.
FIG. 2 is a schematic perspective view of a second viewing angle of the apparatus for reforming methanol-water to produce hydrogen by electromagnetic induction heating according to the present invention.
FIG. 3 is a schematic diagram of the top view structure of the apparatus for reforming methanol-water to produce hydrogen by electromagnetic induction heating according to the present invention.
Fig. 4 is a schematic sectional structure view of a-a in fig. 3.
Fig. 5 is a schematic sectional structure view of B-B in fig. 3.
FIG. 6 is a schematic diagram of the internal structure of the methanol-water reforming hydrogen production apparatus heated by electromagnetic induction according to the present invention.
FIG. 7 is a schematic perspective view of a package casing of the apparatus for hydrogen production by methanol-water reforming through electromagnetic induction heating according to the present invention.
FIG. 8 is a schematic perspective view of the tubes of the methanol-water reforming hydrogen production apparatus using electromagnetic induction heating according to the present invention.
The reference numerals in the figures denote:
1. heating the cavity; 11. packaging the shell; 111. a clamping part; 12. an end cap; 121. a card slot; 122. a hole; 2. a conductive coil; 21. a protective shell; 3. arranging pipes; 4. a catalyst layer; 5. connecting a power strip; 6. a boss; 61. and (4) a groove.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
The first embodiment is as follows:
fig. 1 to 8 show an embodiment of an electromagnetic induction heating methanol-water reforming hydrogen production apparatus according to the present invention, which includes a heating chamber 1, a plurality of conductive coils 2 and a plurality of magnetic conductive tubes 3, wherein each conductive coil 2 is wound around the periphery of the heating chamber 1 and arranged at intervals, each tube 3 is inserted into the heating chamber 1 and each conductive coil 2 and arranged at intervals, and a catalyst layer 4 for catalyzing the reaction between methanol and water vapor is disposed on the inner wall of each tube 3.
A hydrogen production process: firstly, supplying power to each conductive coil 2 to heat the tube arrays 3; secondly, when the temperature of the tubes 3 reaches the temperature required by the reaction of the methanol and the water vapor, the methanol and the water vapor are introduced into one end of each tube 3, the methanol and the water vapor are subjected to chemical reaction in the tube 3 to generate hydrogen (actually, other gases are also produced to form hydrogen-rich mixed gas), and the hydrogen is discharged from the other end of the tube 3 and collected by a collecting container. This electromagnetic induction heating methanol-water reforming hydrogen production device heats inside magnetism tubulation 3 through the alternating magnetic field that circular telegram electrically conductive coil 2 formed in heating cavity 1, and heating temperature is controlled easily, makes tubulation 3 can continuously maintain at a suitable reaction high temperature, guarantees the homogeneity of tubulation 3 heating, has improved hydrogen production efficiency. In addition, the electromagnetic induction heating methanol water reforming hydrogen production device has a simple structure and low manufacturing cost.
In the present embodiment, the wall thickness of the tubes 3
ω is the frequency of the current applied to the electrically conductive coil 2, γ is the electrical conductivity of the tube 3 and μ is the magnetic permeability of the tube 3. When the conductive coil 2 is electrified, eddy current is generated on the tubes 3 due to electromagnetic induction, and due to the material impedance of the tubes 3, the tubes 3 generate a large amount of heat, so that the required heat is provided for the methanol reforming hydrogen production reaction. Ensuring that the conductive coil 2 is electrifiedUnder the condition of constant current frequency, the required temperature is achieved by adjusting the amplitude of the voltage or the current. The wall thickness d1 of the tube array 3 is kept in the above relation with omega, gamma and mu, the uniformity of heating of the tube array 3 is good, and the hydrogen production efficiency is high.
In this embodiment, as shown in fig. 1, two electrical connection pieces 5 are arranged outside the heating cavity 1, and each electrical level of each conductive coil 2 is connected with the two electrical connection pieces 5 respectively. And the two electric connecting pieces 5 are used for being connected with an external power supply, so that each conductive coil 2 forms a parallel loop of a plurality of branches.
In this embodiment, as shown in fig. 1, 2, 3 and 7, the heating cavity 1 is kidney-shaped, and the conductive coil 2 is adapted to the shape of the outer wall of the heating cavity 1. The tubes 3 are evenly spaced around the inner circumference of the heating chamber 1. Thus, the interval between each tube array 3 and each conductive coil 2 is the same, and the uniformity of heating of each tube array 3 is further improved.
In this embodiment, the heating cavity 1 includes an encapsulating shell 11 and two end covers 12 arranged oppositely, two ends of the encapsulating shell 11 are respectively installed on the two end covers 12, the tube array 3 is inserted into the heating cavity 1, and two ends of the tube array 3 respectively penetrate through the two end covers 12. Specifically, the package shell 11 is waist-shaped, the opposite surfaces of the two end covers 12 are respectively provided with a waist-shaped clamping groove 121, the two ends of the package shell 11 are respectively provided with a waist-shaped clamping portion 111, and the clamping portions 111 at the two ends of the package shell 11 are respectively clamped in the clamping grooves 121 of the two end covers 12. Simple structure, easy dismounting.
In this embodiment, the package 11 is made of an insulating material, such as plastic.
In this embodiment, electromagnetic induction heating methanol-water reforming hydrogen plant still includes the mixing container that is used for mixing methanol and steam and the collecting vessel that is used for collecting hydrogen, and the one end and the mixing container of shell and tube 3 are connected, and the other end is connected with the collecting vessel.
The end cover 12 is provided with holes 122 at positions corresponding to the tubes 3, the tubes 3 are connected with the end cover 12 through the holes 122 on the end cover 12, and the ends of the tubes 3 are stepped cylinders for limiting in the axial direction. The tube 3 is made of metal material with high magnetic conductivity as the place for methanol reforming hydrogen production reaction, the inner surface of the tube 3 is coated with catalyst (copper-based catalyst or platinum-palladium catalyst) required for reaction to form a catalyst layer 4, and the catalyst is prepared by sol-gel method. The main reactions taking place in the reaction section are:
the boss 6 along vertical direction is equipped with on one side of the packaging shell 11, leaves a plurality of screw holes on the boss 6 for with conductive coil 2 (electrically conductive copper sheet) and the outer protective housing 21 cooperation of conductive coil 2, fix through the holding screw that insulating wearability plastics were made. The other side of the packaging shell 11 is also provided with a boss 6 along the vertical direction, two sides of the boss 6 are respectively provided with a groove 61 for placing two electric connection pieces 5 (conductive rectangular copper sheets), a plurality of threaded holes are reserved on the center line of the boss 6 and are used for being matched with the conductive coil 2 (conductive copper sheets) and the protective shell 21 outside the conductive coil 2, and the electric connection pieces are fixed through a set screw made of insulating wear-resistant plastic. The front and back surfaces of the packaging shell 11 are provided with a plurality of L-shaped limiting blocks for positioning the conductive coil 2 (conductive copper sheet) and the protective shell 21 outside the conductive coil 2 in the vertical direction. The package 11 is made of high temperature resistant insulating plastic.
The outer protective housing 21 that is equipped with the conductive coil 2 of encirclement shell 11 is outer, and wherein the both ends of conductive coil 2 are the U-shaped structure, leaves the cylinder hole in the middle of the U-shaped structure for the cooperation holding screw. The protective shell 21 is insulating, wraps up outside the conductive coil 2, and is mainly for preventing the electric leakage of touching by mistake during operation. The conductive coil 2, the protective shell 21 and the packaging shell 11 are fixed through a set screw, and the protective shell 21 and the packaging shell 11 are in limit fit through an L-shaped limiting block which is L-shaped.
The conductive coil 2 is matched with the protective shell 21 into a whole, a cylindrical hole is reserved in the middle of the protective shell 21, and the cylindrical hole is in limit matching with the L-shaped limiting block through a set screw. The packaging shell 11 is provided with a fixing part of a plug wire head, the fixing part is fixedly connected with the packaging shell 11 through a set screw, and the two electric connecting pieces 5 are connected with the fixing part. Two threaded holes are reserved on the fixing part and used for being connected with an inserted external special plug. When in work, the electric connecting piece 5 is internally electrified with alternating current with certain frequency.
Example two:
a hydrogen production method is carried out by adopting the electromagnetic induction heating methanol-water reforming hydrogen production device of the first embodiment, and comprises the following steps:
s1, power supply and heating: supplying power to each conductive coil 2 to heat the tubes 3;
s2, hydrogen production: when the temperature of the tubes 3 reaches the temperature required by the reaction of the methanol and the water vapor, the methanol and the water vapor are introduced into one end of each tube 3, the methanol and the water vapor are subjected to chemical reaction in the tube 3 to generate hydrogen, and the hydrogen is discharged from the other end of the tube 3.
The hydrogen production method is carried out by adopting the device for reforming the methanol water by heating through electromagnetic induction, after the conductive coil 2 is electrified (alternating current with specific frequency), the alternating magnetic field is formed in the heating cavity 1 to heat the internal magnetic tubes 3, the heating temperature is easy to control, so that the tubes 3 can be continuously maintained at a proper reaction high temperature, the heating uniformity of the tubes 3 is ensured, and the hydrogen production efficiency is improved.
In this embodiment, the temperature adjustment of the tubes 3 should satisfy the piecewise function
In which U is the supply voltage of the conductive coil 2, T0Is the initial temperature, T, of the tube 3Eyes of a userThe target temperature required for the reaction of methanol and water vapor, namely the working temperature of the catalyst, is more than or equal to 30 ℃ and less than or equal to TEyes of a user-T1≤50℃，TFruit of Chinese wolfberryIs the average value of the temperatures actually measured for the tubes 3. Therefore, the temperature of the tubes 3 can be adjusted more accurately, the tubes 3 can be continuously maintained at a proper reaction high temperature, and the hydrogen production efficiency is improved.
The catalyst of the catalyst layer 4 is a copper-based catalyst or a platinum-palladium catalyst, the working temperature range of the copper-based catalyst is 230-270 ℃, and the working temperature range of the platinum-palladium catalyst is 350-500 ℃.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. The utility model provides an electromagnetic induction heating methanol-water reforming hydrogen plant which characterized in that: including heating cavity (1), many circles of conductive coil (2) and many tubulations (3) that have magnetic conductivity, each conductive coil (2) are all around locating the periphery and the interval arrangement of heating cavity (1), each tubulation (3) are all worn to locate in heating cavity (1) and each conductive coil (2) and the interval arrangement, be equipped with one deck catalyst layer (4) that are used for catalyzing methyl alcohol and steam to take place the reaction on the inner wall of tubulation (3).
2. The electromagnetic induction heating methanol-water reforming hydrogen production device according to claim 1, characterized in that: the wall thickness of the tubes (3)
Omega is the frequency of the current applied to the electrically conductive coil (2), gamma is the electrical conductivity of the tube (3), and mu is the magnetic permeability of the tube (3).
3. The electromagnetic induction heating methanol-water reforming hydrogen production device according to claim 1, characterized in that: two electric connecting pieces (5) are arranged outside the heating cavity (1), and each electric level of each conductive coil (2) is respectively connected with the two electric connecting pieces (5).
4. The electromagnetic induction heating methanol-water reforming hydrogen production device according to claim 1, characterized in that: the heating cavity (1) is waist-shaped, and the conductive coil (2) is matched with the outer wall of the heating cavity (1) in shape.
5. The electromagnetic induction heating methanol-water reforming hydrogen production device according to claim 4, characterized in that: the tubes (3) are uniformly distributed around the inner periphery of the heating cavity (1) at intervals.
6. The electromagnetic induction heating methanol-water reforming hydrogen production device according to any one of claims 1 to 5, characterized in that: the heating cavity (1) comprises a packaging shell (11) and two end covers (12) which are arranged oppositely, two ends of the packaging shell (11) are arranged on the two end covers (12) respectively, the row tubes (3) penetrate through the heating cavity (1), and two ends of the row tubes (3) penetrate through the two end covers (12) respectively.
7. The electromagnetic induction heating methanol-water reforming hydrogen production device according to claim 6, characterized in that: the packaging shell (11) is made of an insulating material.
8. The electromagnetic induction heating methanol-water reforming hydrogen production device according to any one of claims 1 to 5, characterized in that: electromagnetic induction heating methanol-water reforming hydrogen plant still includes the mixing container that is used for mixing methanol and steam and the collecting vessel that is used for collecting hydrogen, the one end and the mixing container of tubulation (3) are connected, and the other end is connected with the collecting vessel.
9. A hydrogen production method, which is carried out by using the electromagnetic induction heating methanol-water reforming hydrogen production device according to any one of claims 1 to 8, and comprises the following steps:
s1, power supply and heating: supplying power to each conductive coil (2) to heat the tube arrays (3);
s2, hydrogen production: when the temperature of the tubes (3) reaches the temperature required by the reaction of the methanol and the water vapor, the methanol and the water vapor are introduced into one end of each tube (3), the methanol and the water vapor are subjected to chemical reaction in the tube (3) to generate hydrogen, and the hydrogen is discharged from the other end of the tube (3).
10. The method for producing hydrogen according to claim 9, characterized in thatThe method comprises the following steps: the temperature of the array tube (3) should be adjusted to satisfy a piecewise function
In which U is the supply voltage of the conductive coil (2), T0Is the initial temperature, T, of the tube (3)Eyes of a userT is more than or equal to 30 ℃ and is the target temperature required by the reaction of methanol and water vaporEyes of a user-T1≤50℃，TFruit of Chinese wolfberryThe average value of the temperature actually measured for the tube (3) is shown.
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