CN211310825U

CN211310825U - Hydrogen production machine

Info

Publication number: CN211310825U
Application number: CN201921531872.5U
Authority: CN
Inventors: 张会强
Original assignee: Luoyang Woda Energy Saving Technology Co ltd
Current assignee: Luoyang Woda Energy Saving Technology Co ltd
Priority date: 2019-08-08
Filing date: 2019-09-16
Publication date: 2020-08-21
Anticipated expiration: 2029-09-16
Also published as: CN210915299U; CN210915298U; CN210795757U; CN211310827U; CN211310826U; CN210973872U; CN210973871U

Abstract

The utility model provides a hydrogen manufacturing machine, be in including stove courage and ring cover the outer casing of stove courage, the stove courage includes the oven and sets up the combustion chamber in its inside, be double-deck oven in the oven, including outer wall of stove and stove inner wall, form the intermediate layer between outer wall of stove and the stove inner wall, form the raw materials liquid chamber in the intermediate layer top-down forms reservoir, catalysis room and steam chamber in proper order between casing and the stove courage, the steam that forms in the raw materials liquid chamber lets in the steam chamber, the steam of steam chamber storage can get into the catalysis room, the gas that the catalysis room generated can get into the reservoir, the reservoir be connected with the device that is used for purifying hydrogen. The utility model discloses can make furnace body inner space rationally distributed, adopt new forms of energy fuel to cool down as the cooling medium to the oven.

Description

Hydrogen production machine

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a hydrogen production machine.

Background

With the limited nature of conventional energy and the increasing prominence of environmental issues, new energy with the characteristics of environmental protection and regeneration is gaining more and more attention from various countries. In the prior art, a conventional industrial combustion furnace mainly comprises a combustion furnace main body, wherein a combustion chamber is formed in the main body, the upper end of the combustion chamber is a flame opening, and the lower end of the combustion chamber is connected with a gas source or a fuel source. When the industrial furnace is used, the valve is opened, fuel is conveyed into the combustion chamber, the fuel and air are mixed and then combusted in the combustion chamber, and the combusted flame is radiated to a material to be heated in the industrial furnace through the flame opening to heat or melt the material. The combustion furnace is also needed for preparing hydrogen from the alcohol-based raw material. The higher the hearth temperature in the combustion furnace is, the more thorough the decomposition of the alcohol-based raw material is, and the higher the efficiency is.

However, the higher the temperature of the combustion furnace, the higher the requirements for the furnace wall, and generally, the furnace wall is provided with a heat-insulating layer or a fire-resistant layer, or a separate cooling chamber to prevent the furnace wall from being damaged by the high temperature, thereby increasing the cost of the combustion furnace.

There is a need for a combustion furnace with a rational layout of the internal space of the combustion furnace, which uses the existing raw materials in the combustion furnace as cooling media without adding extra costs.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a hydrogen manufacturing machine can make furnace body inner space rationally distributed, adopts new forms of energy fuel to cool down the oven as cooling medium.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a hydrogen manufacturing machine, is in including stove courage and ring cover the casing outside the stove courage, the stove courage includes the oven and sets up at its inside combustion chamber, be double-deck oven in the oven, including outer furnace wall and furnace inner wall, form the intermediate layer between outer furnace wall and the furnace inner wall, form the raw materials liquid chamber in the intermediate layer top-down forms gas receiver, catalysis room and steam chamber in proper order between casing and the stove courage, the steam that forms in the raw materials liquid chamber lets in the steam chamber, the steam of steam chamber storage can get into the catalysis room, the gas that the catalysis room generated can get into the gas receiver, the gas receiver be connected with the device that is used for purifying hydrogen.

The interlayer is internally provided with a plurality of furnace tubes which are special-shaped pipe fittings.

The plurality of furnace tubes are arranged in close fit with the inner wall of the furnace or the outer wall of the furnace.

Furthermore, the bottom of the furnace tube and the outer wall of the furnace are connected with a first clapboard.

Furthermore, the bottom of the furnace tube and the inner wall of the furnace are connected with a first clapboard.

Further, the raw material liquid chamber is arranged on the upper part of the first partition plate or on the lower part of the first partition plate.

Further, set up first filter plate between steam chamber and the catalysis room for intercommunication steam chamber and catalysis room, set up the second filter plate between catalysis room and the reservoir for intercommunication catalysis room and reservoir.

The hydrogen production machine is characterized in that the shell comprises an outer shell and an inner shell, and a heat insulation material is filled between the outer shell and the inner shell.

The top of the furnace pipe is arranged to be arched or flat, and the top of the shell is arranged to be arched or flat.

Compared with the prior art, a hydrogen generator have following beneficial effect:

(1) the hydrogen production machine provided by the utility model reasonably and fully utilizes the space in the furnace, adopts the raw materials of the machine as cooling media to cool and radiate the furnace wall of the combustion chamber, and has lower cost;

(2) the hydrogen production machine provided by the utility model has the advantages that the furnace tubes are arranged on the furnace wall of the combustion chamber, the heat dissipation area is increased, and the furnace tubes can be in different structures according to the space size, such as semi-circular tubes, and are suitable for smaller interlayer space;

(3) the utility model provides a pair of hydrogen manufacturing machine makes the alcohol group raw materials including the methyl alcohol composition be heated and takes place the reaction under the catalyst effect and generate hydrogen for the mist of giving first place to, collects hydrogen purification back, and the energy consumption that hydrogen manufacturing needs such as than electrolysis is low, and is with low costs.

Drawings

FIG. 1 is a sectional view of a second hydrogen production machine according to an embodiment of the present invention;

FIG. 2 is a top view of a section at C-C of a second hydrogen generator according to an embodiment of the present invention;

FIG. 3 is a sectional view of a third hydrogen production machine according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a fourth hydrogen production machine in an embodiment of the present invention;

FIG. 5 is a cross-sectional top view at D-D of a fourth hydrogen generator in an embodiment of the present invention;

fig. 6 is a cross-sectional view of a five-hydrogen production machine in an embodiment of the present invention.

Description of reference numerals:

1-a burner, 10-a housing, 101-an outer housing, 102-an inner housing, 11-a combustion chamber, 111-a furnace wall, 111 b-a furnace tube, 112-a combustion outlet, 113-a furnace outer wall, 114-a sandwich, 1141-a first partition, 1142-a second partition, 115-a furnace inner wall, 12-a raw material liquid chamber, 121-a first interface, 122-a second interface, 123-a third interface, 124-a fourth interface, 125-a steam outlet, 126-a first safety port, 13-a steam chamber, 131-a steam inlet, 14-a catalytic chamber, 141-a first filter plate, 142-a second filter plate, 143-a feeding and discharging port, 144-a temperature sensor, 15-an air storage chamber, 151-an air outlet port, 152-a second safety port, 16-evaporation space, 17-burner, 172-fuel pipeline, 1721-fuel inlet, 18-furnace, 19-heat insulation chamber, 2-liquid storage tank.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The descriptions in the present application relating to "first", "second", "upper", "middle", "lower", "top", "bottom", etc., are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated. Thus, features defined as "first," "second," "upper," "middle," "lower," "top," "bottom" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments can be combined with each other, but it is necessary to be able to realize that the technical solutions in the embodiments can be combined with each other on the basis of the realization of a person having ordinary skill in the art, and all that is required by the present invention is within the protection scope of the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The hydrogen making machine 1 is used for preparing hydrogen, the hydrogen making machine 1 is connected with a liquid storage device and used for supplementing raw material liquid into the hydrogen making machine 1 so as to maintain the preparation process of the hydrogen-containing gas, the hydrogen making machine 1 is also connected with an adsorption device and used for purifying the hydrogen-containing gas prepared in the hydrogen making machine 1 to prepare the hydrogen, the raw material liquid in the liquid storage device is mixed liquid of water and methanol in a certain proportion and is introduced into the hydrogen making machine 1, the mixed liquid of the water and the methanol in the hydrogen making machine 1 is heated to form mixed steam, the mixed steam is catalyzed by a catalyst to generate chemical reaction to generate mixed gas of hydrogen and carbon monoxide, and a small amount of carbon dioxide is also contained, wherein the hydrogen is mainly hydrogen, the mixed gas is called hydrogen for short, the generated hydrogen mixed gas is introduced into a hydrogen purification device to be purified, and pure hydrogen is output.

The hydrogen production machine 1 can also be provided with different raw materials, the raw material liquid can be a mixture of water and alcohols, such as a mixed liquid of water and ethanol, a mixed liquid of water and propanol, or a mixed liquid of methanol, and the like, and the prepared combustible gas is a mixed gas of hydrogen, carbon monoxide and carbon dioxide; the raw material liquid can also be alcohols, such as methanol, ethanol, propanol, glycerol and the like, and the prepared combustible gas is a mixed gas of hydrogen, carbon monoxide and carbon dioxide;

for the arranged catalyst, the corresponding catalyst in the prior art is selected according to different raw material liquid components, for example, the raw material of the hydrogen production machine in this embodiment is water and methanol raw material liquid, the catalyst is a special dehydrogenation catalyst, such as a copper-based catalyst and a nickel-based catalyst, and the general reaction temperature is 200 ℃ to 500 ℃, which is not described herein again in view of that the catalysts are all the prior art.

The adsorption device can adopt the prior art to adsorb the non-hydrogen components in the hydrogen-rich gas, such as a conventional pressure swing adsorption separation device and the like, and can also be other gas separation devices in the prior art, such as a conventional membrane separation device, a low-temperature condensation separation device and the like; since it is a prior art, it is not described herein in detail.

In a first embodiment, as shown in fig. 1 and fig. 2, a hydrogen production machine 1 includes a furnace 18 and a casing 10 sleeved outside the furnace, the casing 10 is enclosed to form a cylinder, the casing 10 includes an outer casing 101 and an inner casing 102, the inner casing 102 extends to the top to form an arched top surface, and a heat preservation or insulation material is filled between the outer casing 101 and the inner casing 102; the furnace 18 of the hydrogen production machine 1 comprises a furnace wall 111 and a combustion chamber 11 positioned in the furnace wall 111, the furnace wall 111 is a double-layer furnace wall structure and comprises a furnace outer wall 113 and a furnace inner wall 115, the furnace outer wall 113 extends to the top to form an arched top surface, the combustion chamber 11 is arranged in a cylindrical cavity surrounded by the furnace inner wall 115, the top is arched, a spacing space formed between the furnace inner wall 115 and the furnace outer wall 113 is an interlayer 114, the outer side of the furnace inner wall 115 is annularly connected with a plurality of furnace tubes 111b, the furnace tubes 111b are special-shaped tubes, semicircular, square or other shapes, the embodiment is preferably semicircular, the interlayer 114 is provided with a first partition plate 1141 and a second partition plate 1142, the interlayer 114 is divided into two parts which are not communicated, the joint of the top end of the furnace tube 111b and the furnace inner wall 115 is sealed and provided with a second partition plate 1142, the joint of the outer side of the bottom of, the inner space of the furnace tube 111b is communicated with the lower space of the first partition 1141, which is a heat insulation chamber 19, mixed steam is filled as required for cooling the inner wall 115 of the furnace, thereby preventing overheating damage, the upper space separated from the first partition 1141 and the second partition 1142 outside the furnace tube 111b is used as the raw material liquid chamber 12 for filling the raw material liquid, and simultaneously, the outer wall 113 of the furnace can be cooled, thereby preventing the catalyst from being over-high in temperature and losing activity, therefore, two layers of spaces are separated in the interlayer 114, the mixed steam and the raw material liquid can be respectively filled, and a double-layer cooling effect is achieved.

The upper part of the combustion chamber 11 penetrates through the shell 10 to be provided with a combustion outlet 112, the lower part is provided with a combustor 17, the combustor 17 is arranged in a space surrounded by the lower part of the furnace wall 111, the combustor 17 is connected with a fuel pipeline 172, a fuel inlet 1721 is arranged on the fuel pipeline 172 and used for introducing combustible substances, and an ignition device is arranged inside the combustor 17 and is of a turbine structure, so that the ignition device can be conveniently and fully mixed with air for combustion.

The raw material liquid introduced into the raw material liquid chamber 12 cannot fill the whole raw material liquid chamber 12, and a space for storing steam is reserved at the upper part of the raw material liquid chamber; the raw material liquid chamber 12 is provided with a first interface 121, a fourth interface 124, a second interface 122 and a third interface 123, the first interface 121 and the fourth interface 124 are arranged at the upper part of the raw material liquid chamber 12, the second interface 122 and the third interface 123 are arranged at the lower part of the raw material liquid chamber 12 and pass through the shell 10 to be arranged on the furnace wall 111, the interface arranged at the upper part of the raw material liquid chamber 12 and the interface arranged at the lower part of the raw material liquid chamber 12 have a height difference for connecting a liquid level device so as to measure the liquid level height and supplement the liquid in time, and the rest interfaces are used for supplementing the liquid, discharging waste liquid or arranging a safety valve; in this embodiment, the first port 121 and the second port 122 are provided with liquid level devices, the third port 123 is provided with a liquid supplementing port for supplementing liquid, and the fourth port 124 is provided with a safety valve; the raw material liquid chamber 12 is further provided with a first safety port 126 and a steam outlet 125, the steam outlet 125 is used for leading out mixed steam, and the first safety port 126 is used for connecting a pressure measuring device and a pressure switch to ensure the steam pressure in the raw material liquid chamber 12.

The oven wall 111 and the inner shell 102 surround from top to bottom to form an air storage chamber 15, a catalytic chamber 14 and a steam chamber 13 in sequence, a first filter plate 141 is arranged at the position where the bottom of the catalytic chamber 14 is connected with the steam chamber 13, mixed steam is filtered, the filtered mixed steam enters the catalytic chamber 14, a catalyst is filled in the catalytic chamber 14, the mixed steam is heated under the action of the catalyst to form hydrogen and carbon monoxide mixed gas, a second filter plate 142 is arranged at the position where the top of the catalytic chamber 14 is connected with the air storage chamber 15, the generated hydrogen mixed gas is filtered and then is introduced into the air storage chamber 15 to avoid the outflow of catalyst particles carried by air flow, a pipeline for exchanging the mixed steam is connected between the steam chamber 13 and the lower space of the interlayer 114, a control valve is arranged on the pipeline, when the temperature in the catalytic chamber 14 is within a control range, the heat insulation chamber 19 at the lower part of the, the control valve on the communication line is opened to fill the heat insulating chamber 19 with the mixed steam, thereby lowering the temperature of the furnace wall 111 and preventing the temperature of the catalyst chamber 14 from becoming too high.

The top surface of the gas storage chamber 15 penetrates through the shell 10 to be provided with a gas outlet interface 151 and a second safety port 152, the gas outlet interface 151 is used for being communicated with a hydrogen purification device to lead out purified hydrogen, and the second safety port 152 is used for being connected with a pressure gauge for measuring the gas pressure in the gas storage chamber 15, a pressure switch for ensuring the pressure and the like.

The specific hydrogen production process is that the raw material liquid enters the raw material liquid chamber 12 at the bottom of the hydrogen production machine 1 through the inflow third interface 123, the combustion chamber 11 ignites and burns to provide heat, the liquid in the raw material liquid chamber 12 is heated to generate mixed steam, the mixed steam enters the evaporation space 16 through the multilayer furnace tube 111b and is guided into the steam inlet 131 through the steam outlet 125 to enter the steam chamber 13, the mixed steam is filtered through the first filter plate 141 to enter the catalytic chamber 14, the mixed gas reacts under the action of a catalyst to generate hydrogen mixed gas, the hydrogen mixed gas primarily filters impurities through the second filter plate 142 to enter the gas storage chamber 15, the mixed gas enters the hydrogen purification device through the gas outlet interface 151, and the hydrogen with very high purity is purified and is guided out and collected.

In the second embodiment, as shown in fig. 3, the hydrogen production machine 1 includes a furnace 18 and a shell 10 sleeved outside the furnace, the shell 10 is enclosed into a cylinder, the shell 10 includes an outer shell 101 and an inner shell 102, the inner shell 102 extends to the top to form an arched top surface, and a heat insulating material or heat insulating material is filled between the outer shell 101 and the inner shell 102; the furnace 18 of the hydrogen production machine 1 comprises a furnace wall 111 and a combustion chamber 11 positioned in the furnace wall 111, the furnace wall 111 is of a double-layer furnace wall structure and comprises a furnace outer wall 113 and a furnace inner wall 115, the furnace outer wall 113 extends to the top to form an arched top surface, the combustion chamber 11 is arranged in a cylindrical cavity surrounded by the furnace inner wall 115, the top is arched, an interval space formed between the furnace inner wall 115 and the furnace outer wall 113 is an interlayer 114, the outer side of the furnace outer wall 113 is annularly connected with a plurality of furnace tubes 111b, the furnace tubes 111b are special-shaped tubes, semicircular or square, or other shapes, the embodiment is preferably arranged to be semicircular, raw material liquid or mixed steam is filled in the furnace tubes 111b and used for cooling the furnace outer wall 113, and damage caused by overhigh temperature of the; an interlayer 114 is arranged between the furnace outer wall 113 and the furnace inner wall 115, the furnace tube 111b is arranged in the interlayer 114 and divides the interlayer 114 into two communicated parts, a first partition 1141 is arranged at the joint of the outer side of the bottom of the furnace tube 111b and the furnace outer wall 113 in a sealing manner, the inner space of the furnace tube 111b is communicated with the lower space of the first partition 1141 and is used as a raw material liquid chamber 12, mixed steam is generated by heating, the mixed steam fills the upper space of the first partition 1141, the space above the first partition 1141 and outside the furnace tube 111b is used as an evaporation space 16, one part of the furnace tube 111b is filled with raw material liquid, the other part of the furnace tube 111b is filled with mixed steam, and the whole interlayer 114 can perform a double-layer cooling effect.

The raw material liquid chamber 12 is arranged around the burner 17 in an encircling manner, the bottom of the raw material liquid chamber is provided with a first interface 121 and a fourth interface 124, the top of the evaporation space 16 is provided with a second interface 122 and a third interface 123, the side wall of the evaporation space 16 is provided with a steam outlet 125, a liquid level device is arranged between the first interface 121 and the second interface 122, the fourth interface 124 is a sewage outlet and is used for discharging waste liquid, the third interface 123 is a liquid supplementing port and is used for adding raw material liquid, and the raw material liquid enters the evaporation space 16 and enters the raw material liquid chamber 12 through the furnace tube 111 b.

The liquid level device is connected between two interfaces with height difference, not only limited between the first interface 121 and the second interface 122, but also the functions of other interfaces can be adjusted according to actual needs. The pipe arrangement of the combustion chamber 11, the air storage chamber 15 and the steam chamber 13 and other arrangements are the same as the first embodiment.

In a third embodiment, as shown in fig. 4 and 5, the hydrogen production machine 1 includes a furnace 18 and a casing 10 sleeved outside the furnace, the casing 10 is surrounded into a cylinder shape, the casing 10 includes an outer casing 101 and an inner casing 102, the inner casing 102 extends to the top to form an arched top surface, and a heat preservation or insulation material is filled between the outer casing 101 and the inner casing 102; the furnace 18 of the hydrogen production machine 1 comprises a furnace wall 111 and a combustion chamber 11 positioned in the furnace wall 111, the furnace wall 111 is of a double-layer furnace wall structure and comprises a furnace outer wall 113 and a furnace inner wall 115, the furnace outer wall 113 extends to the top to form an arched top surface, the combustion chamber 11 is arranged in a cylindrical cavity surrounded by the furnace inner wall 115, the top is arched, an interval space formed between the furnace inner wall 115 and the furnace outer wall 113 is an interlayer 114, a plurality of furnace tubes 111b are annularly connected to the inner side of the furnace outer wall 113, the furnace tubes 111b are special-shaped tubes, semicircular or square, or other shapes, the embodiment is preferably arranged to be semicircular, raw material liquid or mixed steam is filled in the furnace tubes 111b and used for cooling the furnace outer wall 113, and damage caused by overhigh temperature of the; the furnace tube 111b is arranged in the interlayer 114 and divides the interlayer 114 into two communicated parts, a first partition 1141 is arranged at the joint of the inner side of the bottom of the furnace tube 111b and the inner wall 115 of the furnace in a sealing manner, the inner space of the furnace tube 111b is communicated with the lower space of the first partition 1141 and serves as a raw material liquid chamber 12, mixed steam is generated by heating, the mixed steam fills the upper space of the first partition 1141, the space above the first partition 1141 and outside the furnace tube 111b serves as an evaporation space 16, one part of the furnace tube 111b is filled with raw material liquid, the other part of the furnace tube 111b is filled with mixed steam, and the whole interlayer 114 can play a role in cooling the outer wall 113 and the inner wall.

The combustion chamber 11, the raw material liquid chamber 12, the evaporation space 16, the air storage chamber 15, and the steam chamber 13 are provided with pipelines and other arrangements as in the third embodiment.

Fifth embodiment, as shown in fig. 6, the hydrogen production machine 1 includes a furnace 18 and a shell 10 sleeved outside the furnace, the shell 10 is enclosed into a cylinder, the shell 10 includes an outer shell 101 and an inner shell 102, the inner shell 102 extends to the top to form an arched top surface, and a heat insulating material or a heat insulating material is filled between the outer shell 101 and the inner shell 102; the furnace 18 of the hydrogen production machine 1 comprises a furnace wall 111 and a combustion chamber 11 positioned in the furnace wall 111, the furnace wall 111 is a double-layer furnace wall structure and comprises a furnace outer wall 113 and a furnace inner wall 115, the furnace outer wall 113 extends to the top to form an arched top surface, the combustion chamber 11 is arranged in a cylindrical cavity surrounded by the furnace inner wall 115, the top is arched, a spacing space formed between the furnace inner wall 115 and the furnace outer wall 113 is an interlayer 114, the inner side of the furnace outer wall 113 is annularly connected with a plurality of furnace tubes 111b, the furnace tubes 111b are special-shaped tubes, semicircular, square or other shapes, the embodiment is preferably arranged to be semicircular, the furnace tubes 111b are arranged in the interlayer 114, the interlayer 114 is provided with a first partition 1141 and a second partition 1142 to divide the interlayer 114 into two parts which are not communicated, the junction of the top ends of the furnace tubes 111b and the furnace outer wall 113 is sealed with a second partition 1142, the junction of the bottom tube wall of, the inner space of the furnace tube 111b is communicated with the lower space of the first partition 1141, which is a heat insulation chamber 19, and is filled with mixed steam for cooling the outer wall 113 of the furnace, so as to prevent overheating damage, and the upper space outside the furnace tube 111b, which is separated from the first partition 1141 and the second partition 1142, is used as a raw material liquid chamber 12, and is filled with raw material liquid, and simultaneously, the inner wall 115 of the furnace can be cooled, so as to prevent the catalyst from being excessively heated and losing activity, so that two layers of spaces are separated in the interlayer 114, and the mixed steam and the raw material liquid can be respectively filled, thereby achieving a double-.

The combustion chamber 11, the raw material liquid chamber 12, the air storage chamber 15, the steam chamber 13 are arranged by pipelines and other arrangements are the same as the third embodiment.

The structure of the hydrogen generator is not limited to the above embodiments.

In the above embodiment, the top of the inner shell 102 is formed as a flat top or an arched top surface, and the top of the furnace wall 111 is formed as a flat top or an arched top surface.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydrogen production machine comprises a furnace pipe (18) and a shell (10) sleeved outside the furnace pipe (18), and is characterized in that the furnace pipe (18) comprises a furnace wall (111) and a combustion chamber (11) arranged in the furnace wall (111), the furnace wall (111) is a double-layer furnace wall comprising a furnace outer wall (113) and a furnace inner wall (115), an interlayer (114) is formed between the furnace outer wall (113) and the furnace inner wall (115), a raw material liquid chamber (12) is formed in the interlayer (114), a gas storage chamber (15), a catalytic chamber (14) and a steam chamber (13) are sequentially formed between the shell (10) and the furnace pipe (18) from top to bottom, steam formed in the raw material liquid chamber (12) is introduced into the steam chamber (13), steam stored in the steam chamber (13) can enter the catalytic chamber (14), and gas generated in the catalytic chamber (14) can enter the gas storage chamber (15), the gas storage chamber (15) is connected with a device for purifying hydrogen.

2. The hydrogen production machine according to claim 1, wherein a plurality of furnace tubes (111b) are arranged in the interlayer (114), and the furnace tubes (111b) are special-shaped pipe fittings.

3. The hydrogen generator according to claim 2, wherein the plurality of furnace tubes (111b) are disposed in close contact with the furnace inner wall (115) or the furnace outer wall (113).

4. The hydrogen generator according to claim 3, wherein the bottom of the furnace tube (111b) is connected with the outer wall (113) of the furnace by a first partition plate (1141).

5. The hydrogen generator as claimed in claim 3, wherein the bottom of the furnace tube (111b) is connected with the inner wall (115) of the furnace by a first partition plate (1141).

6. The hydrogen generator according to claim 4 or 5, characterized in that the raw material liquid chamber (12) is arranged above the first partition plate (1141) or below the first partition plate (1141).

7. The hydrogen generator as claimed in claim 1, characterized in that a first filter plate (141) is arranged between the steam chamber (13) and the catalytic chamber (14) for communicating the steam chamber (13) with the catalytic chamber (14), and a second filter plate (142) is arranged between the catalytic chamber (14) and the gas storage chamber (15) for communicating the catalytic chamber (14) with the gas storage chamber (15).

8. The hydrogen production machine according to claim 1, characterized in that the housing (10) comprises an outer housing (101) and an inner housing (102), and a thermal insulation material is filled between the outer housing (101) and the inner housing (102).

9. The hydrogen generator as claimed in claim 1, characterized in that the top of the furnace pipe (18) is arched or flat, and the top of the housing (10) is arched or flat.