CN220999245U - Methanol and water gasifying, destructive distillation and catalytic hydrogen production device - Google Patents

Abstract

The invention provides a catalytic hydrogen production device for gasifying, destructive distillation and carrying out on methanol and water, and relates to the technical field of combustion equipment of internal combustion engines. Wherein, add methyl alcohol and water as the raw materials in the raw materials storage box, the raw materials is through first pipeline entering and is located the vaporization of heat recovery incasement and take place the subassembly and carry out vaporization, the vaporization takes place the subassembly and relies on the internal-combustion engine to discharge the gaseous heat in the heat recovery incasement and carry out the heat supply, the raw materials that pass through the vaporization carries out the carbonization in entering the carbonization subassembly, the carbonization subassembly relies on the gaseous heat that the internal-combustion engine discharged to the heat recovery incasement carries out the heat supply, the raw materials that pass through the carbonization carries out the catalysis in entering catalytic unit through the second pipeline and then produce hydrogen and a small amount of carbon dioxide gas, hydrogen and a small amount of carbon dioxide gas pass through the third pipeline and spread. Therefore, an exhaust branch pipe is not needed, and the mixed hydrogen prepared by gasifying, dry distilling and catalyzing the methanol and the water is used as the power fuel of the internal combustion engine.

Description

Methanol and water gasifying, destructive distillation and catalytic hydrogen production device

Technical Field

The invention relates to the technical field of combustion equipment of internal combustion engines, in particular to a catalytic hydrogen production device for gasifying and destructive distillation of methanol and water.

Background

The stock and the usage amount of the fuel oil vehicle in the current market are huge, and if the use of the fuel oil vehicle is completely stopped at present, the use of the electric vehicle is not realistic, so that technological staff is required to improve various performances of the fuel oil vehicle in the new era through technology, and the requirements of the fuel oil vehicle in various aspects of emission reduction and the like are met.

In the prior art, an internal combustion engine is provided with an exhaust branch pipe, so that the heat of tail gas discharged by the exhaust branch pipe cannot be utilized to vaporize, dry distilled and catalyze methanol and water. Therefore, the mixed hydrogen cannot be used as a power fuel for the internal combustion engine.

For this purpose, the above technical problems need to be further solved.

Disclosure of Invention

The embodiment of the invention aims to provide a catalytic hydrogen production device by gasifying, destructive distillation and catalyzing methanol and water, so as to solve the problem that an exhaust branch pipe is not needed, and realize that mixed hydrogen prepared by gasifying, destructive distillation and catalysis of the methanol and the water is used as power fuel of an internal combustion engine.

In order to solve the technical problems, the embodiment of the invention provides the following technical scheme:

the first aspect of the invention provides a catalytic hydrogen production device for gasifying and destructive distillation of methanol and water, comprising:

A raw material storage box;

The heat energy recovery box is connected with the raw material storage box;

The first pipeline is connected with the raw material storage box, and one side end part of the first pipeline is arranged in the raw material storage box;

The vaporization generation assembly is arranged in the heat energy recovery box, and one end of the vaporization generation assembly is connected with the end part of the first pipeline positioned in the heat energy recovery box;

the carbonization component is arranged in the heat energy recovery box and is connected with the other end of the vaporization generation component;

the second pipeline is arranged in the heat energy recovery box, and one end of the second pipeline is connected with the dry distillation component;

the catalytic assembly is arranged in the heat energy recovery box and is connected with the other end of the second pipeline;

And one end of the third pipeline is positioned in the heat energy recovery box and connected with the catalytic assembly, and the other end of the third pipeline penetrates out of the heat energy recovery box.

Further, the raw material storage tank includes:

the first chamber body is connected with the heat energy recovery box;

The first through hole is arranged on the side wall of the first chamber body;

The liquid inlet pipe is spliced with the first through hole and is used for feeding raw materials into the first chamber;

A liquid level controller which is arranged outside the first chamber body and controls the liquid level in the first chamber body;

The second through hole is arranged on the side wall of the first chamber body and is positioned at the opposite side of the first through hole, and the second through hole is connected with the outer side wall of the first pipeline.

Further, the heat recovery tank includes:

the box body is connected with the first chamber body;

The first space is positioned in the box body, and the vaporization generation assembly, the carbonization assembly and the catalysis assembly are positioned in the first space;

The third through hole is arranged on the side wall of the box body close to the second through hole side, is connected with the outer side wall of the first pipeline and is used for the first pipeline to pass out;

The fourth through hole is arranged on the side wall of the box body, is connected with the outer side wall of the third pipeline and is used for the third pipeline to penetrate out;

A fifth through hole uniformly provided on a side wall of the tank body away from the raw material storage tank side;

And the first fixing piece is connected with the outer side wall of the box body at the position of the fifth through hole, and the surface of the first fixing piece which is far away from the box body side is connected with the internal combustion engine.

Further, the fourth through hole is disposed at an opposite side of the third through hole.

Further, the vaporization generating assembly includes:

a first vaporizer disposed in the first space near the third through-hole;

A first inlet provided at an end of the first vaporizer near the third through-hole and connected to the first pipe;

A connecting member provided at an end of the first vaporizing body away from the first inlet side;

A second vaporizing body connected to an end of the connecting member remote from the first vaporizing body side;

a first outlet provided at an end of the second vaporizing body remote from the connector side.

Further, the diameter of the first vaporization body is smaller than the diameter of the second vaporization body.

Further, the retort assembly includes:

a carbonization tube located at an end of the second vaporization body away from the first vaporization body side;

a second inlet provided at an end of the retort remote from the second vaporization body side;

A second outlet provided near an end of the retort on the second vaporization body side and connected to an inlet of the second pipe;

And one end of the carbonization connecting pipe is connected with the first outlet, and the other end of the carbonization connecting pipe is connected with the second inlet.

Further, the catalytic assembly comprises:

a catalytic tube disposed in the first space near the first pipe side;

a third inlet provided at an end of the catalytic tube near the third through-hole side;

A third outlet provided at an end of the catalytic tube away from the third through hole side;

And one end of the catalytic connecting pipe is connected with the outlet of the second pipeline, and the other end of the catalytic connecting pipe is connected with the third inlet.

Further, the first pipeline includes:

One end of the first pipe body penetrates through the second through hole to be positioned in the raw material storage box and is connected with the second through hole;

A second pipe body connected to an end of the first pipe body away from the second through hole side;

and the third pipe body is connected with the end part of the second pipe body far away from the first pipe body side, and the end part of the third pipe body far away from the second pipe body side passes through the third through hole and is connected with the first inlet.

Further, a first coating layer for temperature and heat insulation is arranged on the inner side wall of the heat energy recovery box.

Compared with the prior art, the methanol and water are gasified and distilled and catalyzed to prepare the hydrogen device, the methanol and the water are taken as raw materials to be added into the raw material storage box, the raw materials enter the gasification generating assembly positioned in the heat energy recovery box through the first pipeline to be gasified, the gasification generating assembly supplies heat by means of gas heat discharged into the heat energy recovery box by the internal combustion engine, the gasified raw materials enter the carbonization assembly to be carbonized, the carbonization assembly supplies heat by means of gas heat discharged into the heat energy recovery box by the internal combustion engine, the carbonized raw materials enter the catalytic assembly through the second pipeline to be catalyzed to generate hydrogen and a small amount of carbon dioxide gas, and the hydrogen and the small amount of carbon dioxide gas are transmitted through the third pipeline. Therefore, an exhaust branch pipe is not needed, and the mixed hydrogen prepared by gasifying, dry distilling and catalyzing the methanol and the water is used as the power fuel of the internal combustion engine.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, wherein like or corresponding reference numerals indicate like or corresponding parts, there are shown by way of illustration, and not limitation, several embodiments of the invention, in which:

FIG. 1 schematically shows an internal structure of a catalytic hydrogen production apparatus by subjecting methanol and water to gasification and carbonization;

FIG. 2 schematically illustrates a front view of a catalytic hydrogen plant for the destructive distillation of methanol and water;

Fig. 3 schematically shows a schematic view in a first space;

reference numerals illustrate:

1. A raw material storage box; 11. a first chamber; 12. a first through hole; 13. a liquid inlet pipe; 14. a liquid level controller; 15. a second through hole;

2. A heat energy recovery tank; 21. a case; 22. a third through hole; 23. a fourth through hole; 24. a first space; 25. a first fixing member;

3. A dry distillation assembly; 31. a dry distillation tube; 32. a dry distillation connecting pipe; 33. a second outlet;

4. A third pipeline;

5. A second pipeline;

6. A catalytic assembly; 61. a catalytic tube; 62. a catalytic connecting pipe; 63. a third outlet; 64. a third inlet;

7. a vaporization generating assembly; 71. a first vaporizer; 72. a connecting piece; 73. a second vaporizer;

8. A first pipeline; 81. a first tube body; 82. a second tube body; 83. and a third pipe body.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Relational terms such as "first" and "second", and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "coupled," "connected," and the like are to be construed broadly and may be, for example, fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly via an intermediary. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The embodiment of the invention provides a device for preparing hydrogen by gasifying, destructive distillation and catalysis of methanol and water, which is combined with fig. 1, 2 and 3, and comprises a raw material storage tank 1, a heat energy recovery tank 2, a first pipeline 8, a gasification generation assembly 7, a destructive distillation assembly 3, a second pipeline 5, a catalysis assembly 6 and a third pipeline 4. And the heat energy recovery box 2 is connected with the raw material storage box 1. The first pipe 8 is connected to the raw material storage tank 1, and one side end portion of the first pipe 8 is provided in the raw material storage tank 1. The vaporization generating assembly 7 is disposed in the heat energy recovery tank 2, and one end is connected to an end of the first pipe 8 located in the heat energy recovery tank 2. The carbonization component 3 is arranged in the heat energy recovery box 2 and is connected with the other end of the vaporization generation component 7. And a second pipeline 5 is arranged in the heat energy recovery tank 2, and one end of the second pipeline is connected with the carbonization assembly 3. The catalytic assembly 6 is arranged in the heat energy recovery tank 2 and is connected with the other end of the second pipeline 5. And one end of the third pipeline 4 is positioned in the heat energy recovery box 2 and connected with the catalytic assembly 6, and the other end of the third pipeline penetrates out of the heat energy recovery box 2.

In this embodiment, methanol and water are added into the raw material storage tank 1 as raw materials, the raw materials enter the vaporization generation assembly 7 positioned in the heat energy recovery tank 2 through the first pipeline 8 to be vaporized, the vaporization generation assembly 7 supplies heat by means of gas heat discharged into the heat energy recovery tank 2 by the internal combustion engine, the vaporized raw materials enter the carbonization assembly 3 to be carbonized, the carbonization assembly 3 supplies heat by means of gas heat discharged into the heat energy recovery tank 2 by the internal combustion engine, the raw materials subjected to carbonization enter the catalytic assembly 6 through the second pipeline 5 to be catalyzed to generate hydrogen and a small amount of carbon dioxide gas, and the hydrogen and the small amount of carbon dioxide gas are discharged through the third pipeline 4. Therefore, an exhaust branch pipe is not needed, and the mixed hydrogen prepared by gasifying, dry distilling and catalyzing the methanol and the water is used as the power fuel of the internal combustion engine.

In a specific embodiment, referring to fig. 1 and 2, the raw material storage tank 1 includes a first chamber 11, a first through hole 12, a liquid inlet pipe 13, a liquid level controller 14, and a second through hole 15. The first chamber 11 is connected with the heat recovery tank 2. The first through hole 12 is provided on a side wall of the first chamber 11. The liquid inlet pipe 13 is inserted into the first through hole 12 and is used for feeding raw materials into the first chamber 11. A liquid level controller 14 which is provided outside the first chamber 11 and controls the liquid level in the first chamber 11. The second through hole 15 is disposed on the side wall of the first chamber 11 and located opposite to the first through hole 12, and the second through hole 15 is connected to the outer side wall of the first pipe 8.

In this embodiment, methanol and water are pumped into the first chamber 11 through the liquid inlet pipe 13 by using an external pipeline and an electric feed pump as raw materials, and the liquid level in the first chamber 11 is controlled by the liquid level controller 14, so that the liquid level change in the vaporization generating assembly 7 is controlled. In addition, the raw material storage box 1 is arranged outside the heat energy recovery box 2, so that raw materials can be conveniently added, and meanwhile, the raw materials can be prevented from being influenced by the high temperature inside the heat energy recovery box 2.

In a specific embodiment, as shown in fig. 1, the heat recovery tank 2 includes a tank body 21, a first space 24, a third through hole 22, a fourth through hole 23, a fifth through hole, and a first fixing member 25. The case 21 is connected to the first chamber 11. The first space 24 is located inside the case 21, and the vaporization generating assembly 7 and the dry distillation assembly 3 and the catalytic assembly 6 are located in the first space 24. The third through hole 22 is provided on the side wall of the case 21 near the second through hole 15, and is connected to the outer side wall of the first pipe 8 while allowing the first pipe 8 to pass out. Fourth through hole 23 is provided on the side wall of case 21 and connected to the outer side wall of third pipe 4 while allowing third pipe 4 to pass out. The fifth through holes are uniformly provided on the side wall of the case 21 on the side away from the raw material storage case 1. The first fixing member 25 is connected to the outer side wall of the casing 21 at the fifth through hole, and the surface of the first fixing member 25 remote from the casing 21 side is connected to the internal combustion engine.

In this embodiment, the third through hole 22 is connected to the outer side wall of the first pipe 8, so that the liquid in the first chamber 11 enters the vaporization generating assembly 7.

The fourth through hole 23 is connected with the outer side wall of the third pipeline 4, so that the third pipeline 4 penetrates out of the box body 21.

The first fixing member 25 is disposed at the fifth through hole, so that the gas discharged from the internal combustion engine enters the first space 24 through the fifth through hole after being connected to the internal combustion engine. Further, the waste heat discharged by the internal combustion engine is utilized.

In order to further facilitate the vaporization, carbonization, and catalysis of methanol and water, in a specific embodiment, as shown in fig. 1, a fourth through hole 23 is provided at the opposite side of the third through hole 22.

In a particular embodiment, as shown in fig. 1, the vaporization generation assembly 7 includes a first vaporization body 71, a first inlet, a connector 72, a second vaporization body 73, and a first outlet. The first vaporizer 71 is disposed in the first space 24 near the third through-hole 22. The first inlet is provided at an end of the first vaporizing body 71 near the third through hole 22 and is connected to the first piping 8. A connecting member 72 is provided at an end of the first vaporizing body 71 away from the first inlet side. The second vaporizing body 73 is connected to an end portion of the connecting member 72 on the side away from the first vaporizing body 71. The first outlet is provided at the end of the second vaporizing body 73 on the side away from the connecting member 72.

In the present embodiment, the liquid in the first chamber 11 enters the first vaporizing body 71 and the second vaporizing body 73 through the first pipe 8 to be vaporized.

The liquid level in the first chamber 11 is controlled by the liquid level controller 14, thereby realizing control of the liquid level variation in the first vaporizing body 71 and the second vaporizing body 73.

To further increase the vaporization space of the liquid and thereby facilitate the vaporization process, in a particular embodiment, as shown in FIG. 1, the diameter of the first vaporization body 71 is smaller than the diameter of the second vaporization body 73.

In a specific embodiment, as shown in fig. 1, the retort assembly 3 includes a retort pipe 31, a second inlet, a second outlet 33, and a retort connection pipe 32. The carbonization tube 31 is located at an end of the second vaporizing body 73 away from the first vaporizing body 71 side. The second inlet is provided at an end of the retort 31 remote from the second vaporizing body 73 side. The second outlet 33 is provided near the end of the retort 31 on the second vaporizing body 73 side and is connected to the inlet of the second pipe 5. The dry distillation connection pipe 32 has one end connected to the first outlet and the other end connected to the second inlet.

In this embodiment, the material vaporized by the first vaporizer 71 and the second vaporizer 73 passes through the carbonization connecting pipe 32, then enters the carbonization pipe 31 through the second inlet to perform carbonization, and the carbonized material enters the second pipeline 5 through the second outlet 33. Thereby, a carbonization process of the vaporized material in the first space 24 is achieved.

In a particular embodiment, as shown in fig. 1, the catalytic assembly 6 includes a catalytic tube 61, a third inlet 64, a third outlet 63, and a catalytic connecting tube 62. The catalytic tube 61 is disposed in the first space 24 on the side close to the first pipe 8. The third inlet 64 is provided at the end of the catalyst tube 61 on the side close to the third through hole 22. The third outlet 63 is provided at an end of the catalyst tube 61 on the side away from the third through hole 22. The catalytic connecting pipe 62 has one end connected to the outlet of the second pipe 5 and the other end connected to the third inlet 64.

In this embodiment, after the material subjected to the carbonization process enters the catalytic connecting pipe 62 from the second pipeline 5, enters the catalytic pipe 61 from the third inlet 64, is catalyzed by the catalyst in the prior art to generate mixed hydrogen and a small amount of carbon dioxide gas as the power fuel of the internal combustion engine, and the mixed hydrogen enters the third pipeline 4 through the third outlet 63 and is discharged through the third pipeline 4.

In a specific embodiment, referring to fig. 1 and 2, the first pipeline 8 includes a first pipe 81, a second pipe 82, and a third pipe 83. The first pipe 81 has one end penetrating the second through hole 15 and located in the raw material storage tank 1 and connected to the second through hole 15. The second pipe 82 is connected to an end of the first pipe 81 on the side away from the second through hole 15. The third pipe 83 is connected to an end of the second pipe 82 away from the first pipe 81 side, and an end of the third pipe 83 away from the second pipe 82 side is connected to the first inlet through the third through hole 22.

In this embodiment, methanol and water in the first chamber 11 enter the first pipe 81, the second pipe 82, and the third pipe 83 in this order, and then enter the first vaporizing body 71 and the second vaporizing body 73 to be vaporized.

The first pipe 81 is parallel to the third pipe 83, and the first pipe 81 is perpendicular to the second pipe 82. It is advantageous to maintain the level between the material in the first chamber 11 and the material in the first and second vaporization bodies 71, 73, and thus it is further advantageous to control the level of the liquid in the first chamber 11 by means of the level controller 14, thereby achieving control of the level variation in the vaporization generating assembly 7.

In order to further utilize the heat discharged into the first space 24 by the internal combustion engine, in a specific embodiment, the inner side wall of the heat recovery tank 2 is provided with a first coating for temperature and heat insulation.

In the invention, the methanol and water are replaced by the exhaust branch pipe of the internal combustion engine, and the prepared mixed hydrogen is used as the power fuel of the internal combustion engine, so that the convenience of the following use is realized, and the links of potential safety hazards such as storage and transportation are not needed. And the effects of saving fuel, increasing power and reducing exhaust emission are also realized.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A catalytic hydrogen production device for gasifying and dry distilling methanol and water, which is characterized by comprising:

A raw material storage box;

The heat energy recovery box is connected with the raw material storage box;

The first pipeline is connected with the raw material storage box, and one side end part of the first pipeline is arranged in the raw material storage box;

The vaporization generation assembly is arranged in the heat energy recovery box, and one end of the vaporization generation assembly is connected with the end part of the first pipeline positioned in the heat energy recovery box;

the carbonization component is arranged in the heat energy recovery box and is connected with the other end of the vaporization generation component;

the second pipeline is arranged in the heat energy recovery box, and one end of the second pipeline is connected with the dry distillation component;

the catalytic assembly is arranged in the heat energy recovery box and is connected with the other end of the second pipeline;

And one end of the third pipeline is positioned in the heat energy recovery box and connected with the catalytic assembly, and the other end of the third pipeline penetrates out of the heat energy recovery box.

2. The apparatus for catalytic hydrogen production by gasification and dry distillation of methanol and water according to claim 1, wherein said raw material storage tank comprises:

the first chamber body is connected with the heat energy recovery box;

The first through hole is arranged on the side wall of the first chamber body;

The liquid inlet pipe is spliced with the first through hole and is used for feeding raw materials into the first chamber;

A liquid level controller which is arranged outside the first chamber body and controls the liquid level in the first chamber body;

The second through hole is arranged on the side wall of the first chamber body and is positioned at the opposite side of the first through hole, and the second through hole is connected with the outer side wall of the first pipeline.

3. The apparatus for catalytic hydrogen production by gasification and dry distillation of methanol and water according to claim 2, wherein the heat recovery tank comprises:

the box body is connected with the first chamber body;

The first space is positioned in the box body, and the vaporization generation assembly, the carbonization assembly and the catalysis assembly are positioned in the first space;

The third through hole is arranged on the side wall of the box body close to the second through hole side, is connected with the outer side wall of the first pipeline and is used for the first pipeline to pass out;

The fourth through hole is arranged on the side wall of the box body, is connected with the outer side wall of the third pipeline and is used for the third pipeline to penetrate out;

A fifth through hole uniformly provided on a side wall of the tank body away from the raw material storage tank side;

And the first fixing piece is connected with the outer side wall of the box body at the position of the fifth through hole, and the surface of the first fixing piece which is far away from the box body side is connected with the internal combustion engine.

4. The apparatus for catalytic hydrogen production by destructive distillation of methanol and water according to claim 3, wherein the fourth through hole is provided on the opposite side of the third through hole.

5. The apparatus for catalytic hydrogen production by destructive distillation of methanol and water according to claim 3, wherein said vaporization generating assembly comprises:

a first vaporizer disposed in the first space near the third through-hole;

A first inlet provided at an end of the first vaporizer near the third through-hole and connected to the first pipe;

A connecting member provided at an end of the first vaporizing body away from the first inlet side;

A second vaporizing body connected to an end of the connecting member remote from the first vaporizing body side;

a first outlet provided at an end of the second vaporizing body remote from the connector side.

6. The catalytic hydrogen production plant by the destructive distillation and vaporization of methanol and water according to claim 5, wherein the diameter of the first vaporization body is smaller than the diameter of the second vaporization body.

7. The catalytic hydrogen plant for the destructive distillation of methanol and water according to claim 5, wherein said distillation assembly comprises:

a carbonization tube located at an end of the second vaporization body away from the first vaporization body side;

a second inlet provided at an end of the retort remote from the second vaporization body side;

A second outlet provided near an end of the retort on the second vaporization body side and connected to an inlet of the second pipe;

And one end of the carbonization connecting pipe is connected with the first outlet, and the other end of the carbonization connecting pipe is connected with the second inlet.

8. A catalytic hydrogen plant for the destructive distillation and vaporization of methanol and water according to claim 3, wherein said catalytic assembly comprises:

a catalytic tube disposed in the first space near the first pipe side;

a third inlet provided at an end of the catalytic tube near the third through-hole side;

A third outlet provided at an end of the catalytic tube away from the third through hole side;

And one end of the catalytic connecting pipe is connected with the outlet of the second pipeline, and the other end of the catalytic connecting pipe is connected with the third inlet.

9. The apparatus for catalytic hydrogen production by destructive distillation of methanol and water according to claim 5, wherein the first conduit comprises:

One end of the first pipe body penetrates through the second through hole to be positioned in the raw material storage box and is connected with the second through hole;

A second pipe body connected to an end of the first pipe body away from the second through hole side;

and the third pipe body is connected with the end part of the second pipe body far away from the first pipe body side, and the end part of the third pipe body far away from the second pipe body side passes through the third through hole and is connected with the first inlet.

10. The catalytic hydrogen production plant by the destructive distillation and vaporization of methanol and water according to claim 1, wherein the inner side wall of the heat recovery tank is provided with a first coating for temperature and heat insulation.