CN116899495A

CN116899495A - Hydrogen-rich gas generating device

Info

Publication number: CN116899495A
Application number: CN202310862910.XA
Authority: CN
Inventors: 张会强; 李华波; 康金腾翔; 王硕; 曹腾
Original assignee: Guangdong Alcohol Hydrogen New Energy Research Institute Co Ltd
Current assignee: Sichuan Woyouda Technology Co ltd
Priority date: 2022-07-15
Filing date: 2023-07-13
Publication date: 2023-10-20

Abstract

The present application provides a hydrogen-rich gas generating apparatus, comprising: a steam generator for producing steam, a superheater for heating the steam, and a hydrogen reactor for producing hydrogen, the steam generator comprising: the generator body is internally provided with a vapor material accommodating cavity which is used for storing vapor materials; the vapor material pipeline is arranged outside the generator body and communicated with the vapor material accommodating cavity, and the vapor material pipeline is used for conveying the vapor material to the vapor material accommodating cavity; the vapor material conduit comprises: a vapor material delivery pipe and a gas-liquid separation pipe; the vapor material delivery pipe communicates with the vapor material delivery device. The application can solve the technical problems of heat waste and finally influencing the hydrogen production efficiency caused by uneven heating of the methanol solution in the hydrogen production process of the methanol.

Description

Hydrogen-rich gas generating device

Technical Field

The application relates to the technical field of chemical equipment, in particular to a hydrogen-rich gas generating device.

Background

Hydrogen energy is emerging as a well-established clean energy source, and in today's society as a low and zero carbon energy source. Hydrogen gas represents an extremely broad and potential market as a new energy fuel. How to prepare and cater for this necessarily coming development from planning and technology would be a significant issue. Advanced technology, rational methods for producing and applying hydrogen are chosen to obtain maximum economic and environmental benefits, which is a trend in the future.

At present, methanol is widely used for preparing hydrogen, methanol solution is used as a raw material under certain temperature and pressure conditions, methanol vapor is generated after the methanol solution is heated, and then the methanol vapor is subjected to conversion reaction under the action of a hydrogen preparation catalyst, so that the aim of preparing hydrogen is finally achieved. In the prior art, in the process of preparing steam, a combustion catalysis mode is mainly adopted to heat a methanol solution, and steam is finally obtained; however, the methanol solution is often mixed with methanol in two states of gas and liquid, so that when the methanol solution is heated in a combustion catalysis mode, the methanol solution is heated unevenly, and meanwhile, the heat generated by tail gas combustion in the heating process can not be fully utilized, so that the efficiency of preparing hydrogen is finally reduced.

Disclosure of Invention

The application can solve the technical problems of heat waste and finally influencing the hydrogen production efficiency caused by uneven heating of the methanol solution in the hydrogen production process of the methanol.

In order to solve the above problems, an embodiment of the present application provides a hydrogen-rich gas generating apparatus, including: a steam generator for producing steam, a superheater for heating the steam, and a hydrogen reactor for producing hydrogen, the steam generator comprising: the generator body is internally provided with a vapor material accommodating cavity which is used for storing vapor materials; the vapor material pipeline is arranged outside the generator body and communicated with the vapor material accommodating cavity, and the vapor material pipeline is used for conveying the vapor material to the vapor material accommodating cavity; the vapor material conduit comprises: a vapor material delivery pipe and a gas-liquid separation pipe; the vapor material conveying pipe is communicated with the vapor material conveying device, and the vapor-liquid separation pipe is connected between the vapor material conveying pipe and the vapor material accommodating cavity; the vapor material is conveyed to the gas-liquid separation pipe through the vapor material conveying pipe by the vapor material conveying device, and the gas-liquid separation pipe can separate the vapor material into gas and liquid.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: by arranging the gas-liquid separation pipe, the gas material and the liquid material in the vapor material can be respectively conveyed from different pipelines into the vapor material accommodating cavity, and it can be understood that the gas material is positioned above and the liquid material is positioned below after the vapor material is conveyed into the vapor material accommodating cavity because the density of the gas material is smaller than that of the liquid material; when the vapor material after gas-liquid separation is heated in a combustion catalysis mode, the liquid material and the gas material can fully absorb heat, so that heat loss is reduced, and finally, the hydrogen production efficiency is also improved.

Further, in the present application, the gas-liquid separation tube comprises: a connecting pipe connected to the vapor material delivery pipe; one end of the first pipeline is communicated with the connecting pipe, and the other end of the first pipeline is communicated with the vapor material accommodating cavity; one end of the second pipeline is communicated with the connecting pipe, and the other end of the second pipeline is communicated with the vapor material accommodating cavity; the liquid vapor material after gas-liquid separation is conveyed to the vapor material accommodating cavity through a first pipeline; the gaseous vapor material after the gas-liquid separation is conveyed to the vapor material accommodating cavity by the second pipeline.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: after the vapor material is conveyed to the connecting pipe by the vapor material conveying pipe, the connecting pipe can convey liquid vapor material to the first pipeline and gaseous vapor material to the second pipeline, so that gas-liquid separation in the vapor material is realized, and after the vapor material subjected to gas-liquid separation is conveyed to the vapor material accommodating cavity, heat can be fully absorbed, and the efficiency of the hydrogen-rich gas generating device for preparing hydrogen is improved.

Further, in the present application, the second duct is disposed in parallel with the first duct, and the second duct is located above the first duct in the vertical direction.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the first pipeline and the second pipeline are arranged in parallel, so that the purpose of stably conveying the vapor material to the vapor material accommodating cavity is achieved, and the efficiency of vapor preparation of the vapor generator is further improved.

Further, in the application, the generator body is also internally provided with a tail gas accommodating cavity, a steam accommodating cavity and a waste gas accommodating cavity; wherein, tail gas holds chamber, vapour material and holds chamber, vapour and hold the chamber and set gradually.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: through letting in tail gas in to the tail gas chamber, tail gas can circulate to vapor material and hold the chamber, and the heat of release can be absorbed by vapor material in vapor material holds the chamber after the reaction in vapor material holds the chamber, has finally reached the purpose of preparation steam, can understand that along with the continuous burning of tail gas, the temperature that tail gas produced can reduce, after complete burning, can flow into the waste gas and hold the chamber, finally discharges it, and in this process, abundant heat to the tail gas has utilized, further also has promoted the efficiency of preparation steam.

Further, in the present application, it further comprises: the tail gas input pipe is arranged on the generator body and is communicated with the tail gas accommodating cavity; the first vapor output pipe is arranged on the generator body and is communicated with the vapor accommodating cavity; the waste gas output pipe is arranged on the generator body and is communicated with the waste gas accommodating cavity.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the tail gas input pipe is arranged, the purpose of conveying tail gas to the tail gas accommodating cavity is achieved, meanwhile, the tail gas can be discharged outwards from the waste gas output pipe after combustion is completed, heat of tail gas combustion effectively utilized in the process is discharged outwards through the combusted tail gas, and harm to the environment is greatly reduced.

Further, in the present application, the steam generator further comprises: the third pipeline is arranged in the vapor material accommodating cavity and the vapor accommodating cavity, and two ends of the third pipeline are respectively communicated with the exhaust accommodating cavity and the tail gas accommodating cavity; and the third pipe is filled with a combustion catalyst.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: after the tail gas enters the third pipeline through the tail gas accommodating cavity, the tail gas can react with the combustion catalyst, so that heat is generated, and the service efficiency of the third pipeline is further improved

Further, in the present application, the steam generator further comprises: the expansion joint is arranged at the position of the generator body close to the vapor accommodating cavity; and/or the expansion joint is arranged on the third pipeline.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of expansion joint can avoid the deformation that the generator body produced in the heating process to the effectual protection to generator body and steam generator that has realized has further promoted life.

Further, in the present application, the superheater includes: the superheater comprises a superheater body, wherein a superheating cavity is formed in the superheater body; one end of the first steam input pipe is communicated with the first steam output pipe, and the other end of the first steam input pipe is communicated with the overheating cavity; and the second steam output pipe is communicated with the overheating cavity.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: through setting up the superheater, can be further heat steam to guaranteed the efficiency of steam preparation hydrogen, it can be understood that, when carrying steam through the pipeline, the heat of steam can reduce gradually, thereby can influence the preparation of hydrogen, carries out further heating to steam through setting up the superheater, thereby guaranteed the required temperature of preparation hydrogen, further promoted hydrogen production efficiency.

Further, in the present application, the hydrogen reactor comprises: the reactor body is internally provided with a hydrogen accommodating cavity; one end of the second steam input pipe is communicated with the second steam output pipe, and the other end of the second steam input pipe is communicated with the hydrogen accommodating cavity; the hydrogen output pipe is communicated with the hydrogen accommodating cavity; wherein, hydrogen production catalyst is filled in the hydrogen accommodating cavity.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: after being introduced into the reactor body, the steam can react with the hydrogen production catalyst filled in the hydrogen accommodating cavity at a certain temperature, so that hydrogen can be finally produced, the purpose of preparing the hydrogen is realized by the arrangement of the reactor body, and meanwhile, the hydrogen production efficiency is also improved.

Further, in the present application, it further comprises: the first heating piece is arranged on the generator body and is used for heating the vapor material accommodating cavity; the second heating piece is arranged on the superheater body and is used for heating the superheating cavity; and the third heating piece is arranged on the reactor body and is used for heating the hydrogen accommodating cavity.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the arrangement of the first heating piece, the second heating piece and the third heating piece improves the efficiency of preparing steam and hydrogen.

In summary, after the technical scheme of the application is adopted, the following technical effects can be achieved:

i) By arranging the gas-liquid separation pipe, the gas material and the liquid material in the vapor material can be respectively conveyed from different pipelines into the vapor material accommodating cavity, and it can be understood that the gas material is positioned above and the liquid material is positioned below after the vapor material is conveyed into the vapor material accommodating cavity because the density of the gas material is smaller than that of the liquid material; when the vapor material after gas-liquid separation is heated in a combustion catalysis mode, the liquid material and the gas material can fully absorb heat, so that the heat loss is reduced, and the hydrogen production efficiency is finally improved;

ii) after the vapor material is conveyed to the connecting pipe by the vapor material conveying pipe, the connecting pipe can convey liquid vapor material to the first pipeline and convey gaseous vapor material to the second pipeline, so that the vapor-liquid separation in the vapor material is realized, and after the vapor material subjected to the vapor-liquid separation is conveyed to the vapor material accommodating cavity, the heat can be fully absorbed, thereby improving the efficiency of the hydrogen-rich gas generating device for preparing hydrogen;

iii) The setting of expansion joint can avoid the deformation that the generator body produced in the heating process to the effectual protection to generator body and steam generator that has realized has further promoted life.

Description of the drawings:

fig. 1 is a schematic structural diagram of a hydrogen-rich gas generating apparatus 100 according to a first embodiment of the present application.

Fig. 2 is a schematic diagram of the vapor generator 10 of fig. 1.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a cross-sectional view taken along A-A in fig. 3.

Fig. 5 is a cross-sectional view taken along the direction B-B in fig. 3.

Fig. 6 is an enlarged view of the circled portion C in fig. 5.

Fig. 7 is a schematic view of the superheater 20 of fig. 1.

Fig. 8 is a top view of fig. 7.

Fig. 9 is a sectional view taken along the direction D-D in fig. 8.

Fig. 10 is a schematic structural view of the hydrogen reactor 30.

Fig. 11 is a top view of fig. 10.

Fig. 12 is a cross-sectional view taken along the direction E-E in fig. 11.

Reference numerals illustrate:

100-a hydrogen-rich gas generating device; 10-a steam generator; 11-a first protective cover; 12-a first heating element; 13-a tail gas input pipe; 131-an exhaust gas accommodating chamber; 132-a first separator; 14-a liquid level gauge; 15-a vapor material conduit; 151-vapor material delivery tube; 152-connecting pipes; 153-first conduit; 154-a second conduit; 155-a drain line; 16-an exhaust gas outlet pipe; 17-a generator body; 171-vapor material receiving chamber; 172-a vapor containment chamber; 173-a first vapor outlet conduit; 174-an exhaust gas accommodating chamber; 175-expansion joint; 18-a third pipe; 19-a feeding pipeline; 20-superheater; 21-a bracket; 22-a first vapor input; 23-a second vapor outlet conduit; 24-a second heating element; 25-a second shield; 26-superheater body; 261-superheating chamber; 30-a hydrogen reactor; 31-a third protective cover; 32-a second vapor input; 33-hydrogen output pipe; 34-a third heating element; 341-an electric heating tube; 35-a reactor body; 351-a hydrogen-containing chamber; 352-second separator.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Referring to fig. 1, a first embodiment of the present application provides a hydrogen-rich gas generating apparatus 100, the hydrogen-rich gas generating apparatus 100 being used for producing hydrogen; the hydrogen-rich gas generating apparatus 100 includes, for example: a steam generator 10, a superheater 20, and a hydrogen reactor 30; the steam generator 10 is used for preparing steam, the steam generated by the steam generator 10 is conveyed to the superheater 20, the superheater 20 is used for heating the steam prepared by the steam generator 10, and further the steam heated by the superheater 20 is conveyed to the hydrogen reactor 30, so that the purpose of hydrogen production is finally achieved.

Specifically, when the hydrogen-rich gas generating device 100 prepares hydrogen, firstly, a vapor material is introduced into the vapor generator 10, the vapor material is evaporated in the vapor generator 10 to generate vapor, the vapor generated by the vapor generator 10 is introduced into the superheater 20, a heating device is arranged in the superheater 20, the vapor is heated by the heating device, the further vapor heated by the heater 20 is conveyed to the hydrogen reactor 30, a hydrogen production catalyst for preparing hydrogen is stored in the hydrogen reactor 30, and the vapor heated by the heater 20 is conveyed to the hydrogen reactor 30 and then reacts with the hydrogen production catalyst to finally generate hydrogen; in the present application, the vapor material used may be: the water, methanol, and a mixed solution of methanol and water may be any other alcohol or a mixed solution of another alcohol and water.

Preferably, referring to fig. 2-6, the vapor generator 10 includes: a first shield 11, a first heating element 12, a level gauge 14, a vapor material conduit 15, a generator body 17, and a third conduit 18; wherein, the first protective cover 11 is sleeved outside the generator body 17, so as to realize the protection of the steam generator 10, and simultaneously reduce the heat loss when the steam generator 10 prepares steam; the generator body 17 is internally provided with an exhaust gas accommodating chamber 131, a vapor accommodating chamber 172, a vapor material accommodating chamber 171 and an exhaust gas accommodating chamber 174; the vapor material accommodating chamber 171 is for storing vapor material; the exhaust gas accommodating chamber 131, the vapor material accommodating chamber 171, the vapor accommodating chamber 172, and the exhaust gas accommodating chamber 174 are provided in this order in the generator body 17; the vapor material pipe 15 is disposed outside the generator body 17 and communicates with the vapor material accommodating chamber 171, and the vapor material pipe 15 is used for conveying the vapor material for preparing vapor to the vapor material accommodating chamber 171; the third pipe 18 is disposed in the vapor material accommodating chamber 171 and the vapor accommodating chamber 172, and both ends of the third pipe 18 are respectively communicated with the exhaust gas accommodating chamber 174 and the exhaust gas accommodating chamber 131; and the third conduit 18 is filled with a combustion catalyst.

The steam generator 10 further includes: a tail gas input pipe 13 and a waste gas output pipe 16; the tail gas input pipe 13 is arranged on the generator body 17 and is communicated with the tail gas accommodating cavity 131, and the tail gas input pipe 13 is used for conveying tail gas to the tail gas accommodating cavity 131; the exhaust gas output pipe 16 is arranged on the generator body 17 and is communicated with the exhaust gas accommodating cavity 174; a third pipe 18 is disposed in the vapor material accommodating cavity 171, the vapor material is disposed in the vapor material accommodating cavity 171 and outside the third pipe 18, a combustion catalyst (not shown) is disposed in the third pipe 18, the combustion catalyst can react with the exhaust gas in the exhaust gas accommodating cavity 131 at a certain temperature, and the exhaust gas can be combusted under the action of the catalyst to generate a large amount of heat released; the further released heat can heat the vapor material outside the third conduit 18, thereby causing the vapor material to produce vapor; at the same time, the exhaust gas reacts with the combustion catalyst in the third duct 18, and becomes exhaust gas, and further exhaust gas flows upward into the exhaust gas accommodating chamber 174, and finally is discharged to the outside from the exhaust gas output duct 16.

Still further, the first heating member 12 is disposed outside the generator body 17 and is communicated to the vapor material accommodating chamber 171 for heating the vapor material accommodating chamber 171; the liquid level gauge 14 is arranged outside the first protective cover 11 and is used for detecting the volume of the vapor material in the vapor material accommodating cavity 171; it should be noted that, in the present application, the first heating element 12 is provided as an electric heater, and of course, the first heating element 12 may be replaced by other heating devices, which is not limited to the electric heater in the present application.

Specifically, the steam generator 10 is further provided with a first steam output pipe 173, and the first steam output pipe 173 is disposed on the generator body 17 and is communicated with the steam accommodating cavity 172; specifically, one end of the first vapor output pipe 173 is connected to the vapor accommodating cavity 172, and the other end is connected to the superheater 20, and the first vapor output pipe 173 is used for conveying the vapor in the vapor accommodating cavity 172 to the superheater 20; the process of vapor generator 10 to produce vapor is as follows: firstly, introducing a vapor material into a vapor material accommodating cavity 171 through a vapor material pipeline 15, conveying further tail gas into a tail gas accommodating cavity 131 through a tail gas input pipe 13, conveying the tail gas into a third pipeline 18 through the tail gas accommodating cavity 131, and reacting the tail gas with a combustion catalyst in the third pipeline 18, so that a large amount of heat is released; the heat generated by the tail gas combustion further heats the vapor material, thereby generating vapor; vapor is again conveyed from the vapor material accommodating cavity 171 into the vapor accommodating cavity 172 and finally conveyed to the superheater 20 through the first vapor output pipe 173; while the combusted exhaust gases are conveyed by the third conduit 18 into the exhaust receiving chamber 174 and finally discharged outwardly through the exhaust outlet conduit 16.

Further, a first partition 132 is disposed between the exhaust gas accommodating chamber 131 and the vapor material accommodating chamber 171, and a plurality of through holes are formed in the first partition 132, so that the exhaust gas in the exhaust gas accommodating chamber 131 flows into the vapor material accommodating chamber 171 through the plurality of through holes formed in the first partition 132, and the specific exhaust gas flows into the third pipe 18 to react with the combustion catalyst disposed in the third pipe 18; the first heating element 12 is disposed on the generator body 17 near the vapor material accommodating cavity 171, and is used for heating the vapor material in the vapor material accommodating cavity 171; wherein the first heating element 12 may be provided as an electric heater.

Preferably, the vapor material conduit 15 comprises: vapor material delivery pipe 151 and a gas-liquid separation pipe (not shown); the vapor material conveying pipe 151 is communicated with the vapor material conveying device, and the vapor-liquid separation pipe is connected between the vapor material conveying pipe 151 and the vapor material accommodating cavity 171; the vapor material is transported by the vapor material transporting device through the vapor material transporting pipe 151 to the vapor-liquid separating pipe, and the vapor material can be separated into vapor and liquid by the vapor-liquid separating pipe.

Further, the gas-liquid separation tube includes: a first pipe 153, a second pipe 154, and a connection pipe 152; the connection pipe 152 is connected to the vapor material delivery pipe 151, one end of the first pipe 153 is connected to the connection pipe 152, and the other end is connected to the vapor material accommodating chamber 171; one end of the second pipe 154 is connected to the connection pipe 152, and the other end is connected to the vapor material accommodating chamber 171; wherein the vapor material in the liquid state after the gas-liquid separation is transferred to the vapor material accommodating chamber 171 by the first pipe 153; the vapor material after the gas-liquid separation is conveyed to the vapor material accommodating chamber 171 by the second pipe 154; the vapor material of the liquid and the gas can be supplied to the vapor material accommodating chamber 171 through the first pipe 153 and the second pipe 154.

Specifically, the second duct 154 is disposed in parallel with the first duct 153, and the second duct 154 is located above the first duct 153 in the vertical direction; in delivering the vapor material, the vapor material is first delivered into the vapor material delivery tube 151, further vapor material flows from the vapor material delivery tube 151 into the connecting tube 152, wherein a gaseous portion of the vapor material flows upward into the second tube 154, a liquid portion of the vapor material flows downward into the first tube 153, and finally the liquid of the vapor material flows into the vapor material receiving chamber 171 through the lower first tube 153, while the liquid of the vapor material flows into the vapor material receiving chamber 171 through the upper second tube 154.

Preferably, the vapor material conduit 15 further comprises: a drain line 155; the liquid discharge pipe 155 has one end connected to the connection pipe 152 and the other end connected to a vapor recovery device (not shown) capable of recovering the vapor material in the vapor material accommodating chamber 171; it can be understood that after the hydrogen-rich gas generating apparatus 100 stops working, residual vapor materials still exist in the vapor material accommodating cavity 171 and the vapor material pipeline 15, if the residual vapor materials are not timely discharged, certain harm is caused to the hydrogen-rich gas generating apparatus 100 and the vapor material pipeline 15, and after the hydrogen-rich gas generating apparatus 100 stops working, the residual vapor materials in the vapor material accommodating cavity 171 can be timely discharged through the liquid discharge pipeline 155, so that the harm of the residual vapor materials to the hydrogen-rich gas generating apparatus 100 and the vapor material pipeline 15 is reduced, and the service lives of the hydrogen-rich gas generating apparatus 100 and the vapor material pipeline 15 are effectively prolonged.

Preferably, the steam generator 10 is further provided with an expansion joint 175; an expansion joint 175 is provided at the generator body 17 near the vapor receiving chamber 172, and/or the expansion joint 175 is provided at the third pipe 18; the expansion joint 175 can be arranged at a position close to the vapor accommodating cavity 172, and the expansion joint 175 can avoid deformation of the generator body 17 in the heating process, so that protection of the generator body 17 and the vapor generator 10 is effectively realized, and the service life is further prolonged; of course, the expansion joint 175 may be disposed at any position of the generator body 17, and the expansion joint 175 may be disposed on the third pipe 18, so as to avoid deformation of the third pipe 18 during heating.

Preferably, referring to fig. 7-9, the superheater 20 comprises: a bracket 21, a second shield 25, and a superheater body 26; the superheater body 26 is arranged on the support 21, a second protective cover 25 is sleeved outside the superheater body 26, and the second protective cover 25 is used for protecting the superheater body 26, so that heat loss caused by overheat of steam in the superheater body 26 is avoided; the superheater body 26 is internally provided with a superheating chamber 261, the superheating chamber 261 being used for storing steam delivered by the steam generator 10.

Further, the superheater 20 is also provided with a first vapor input pipe 22, a second vapor output pipe 23 and a second heating element 24; the first steam input pipe 22 is connected to the superheater body 26, and one end of the first steam input pipe 22 is communicated with the first steam output pipe 173 of the steam generator 10, and the other end is communicated with the superheating cavity 261 of the superheater body 26; the second vapor output pipe 23 is communicated with the superheater body 26, one end of the second vapor output pipe 23 is communicated with the superheating cavity 261 of the superheater body 26, and the other end is connected to the hydrogen reactor 30; the second heating element 24 is disposed on the superheater body 26 and is used for heating the superheating cavity 261; wherein the first vapor input pipe 22 is located below the superheater body 26 and the second vapor output pipe 23 is located above the superheater body 26.

Specifically, the superheater 20 operates as follows: first, the steam in the steam generator 10 is delivered to the superheating chamber 261 through the first steam output pipe 173 and the first steam input pipe 22; second, the second heating element 24 is turned on, and the second heating element 24 superheats the steam in the superheating cavity 261; the heated vapor is finally delivered to the hydrogen reactor 30 through the second vapor delivery pipe 23; in the present application, the same second heating element 24 is provided as an electric heater, however, the second heating element 24 may be replaced by another heating device, and is not limited to the electric heater of the present application.

Preferably, referring to fig. 10 to 12, the hydrogen reactor 30 includes: a third shield 31 and a reactor body 35; the third protection cover 31 is arranged outside the reactor body 35, and the third protection cover 31 is used for protecting the reactor body 35, so that heat loss caused by the reaction of steam in the reactor body 35 is avoided; meanwhile, a hydrogen accommodating chamber 351 is provided inside the reactor body 35; the hydrogen accommodating chamber 351 is for storing hydrogen; a plurality of second separators 352 are disposed in the hydrogen accommodating chamber 351, and a hydrogen production catalyst (not shown) is disposed on the second separators 352, and is capable of reacting with the vapor at a certain temperature to finally produce hydrogen.

Further, the hydrogen reactor 30 is further provided with a second steam input pipe 32, a hydrogen output pipe 33 and a third heating element 34; wherein one end of the second steam input pipe 32 is communicated with the second steam output pipe 23 of the superheater 20, and the other end is communicated with the hydrogen accommodating cavity 351; the hydrogen output pipe 33 is communicated with the hydrogen accommodating cavity 351, and the hydrogen in the hydrogen accommodating cavity 351 can be collected through the hydrogen output pipe 33; the third heating element 34 is disposed on the reactor body 35 and is used for heating the hydrogen accommodating cavity 351; the third heating element 34 is also provided as an electric heater, although the third heating element 34 may be replaced by other heating devices, and is not limited to the electric heater of the present application.

Specifically, the hydrogen reactor 30 prepares hydrogen as follows: firstly, superheated steam in the superheater 20 is conveyed into the reactor body 35 through the second steam output pipe 23 and the second steam input pipe 32, and then the third heating element 34 is started, and the third heating element 34 heats the steam in the reactor body 35; the heated vapor eventually reacts with the hydrogen production catalyst to produce hydrogen, which is eventually collected through the hydrogen outlet pipe 33.

Although the present application is disclosed above, the present application is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the application, and the scope of the application should be assessed accordingly to that of the appended claims.

Claims

1. A hydrogen-rich gas generating apparatus, the hydrogen-rich gas generating apparatus (100) comprising: a steam generator (10), a superheater (20) and a hydrogen reactor (30), wherein the steam generator (10) is used for preparing steam, the superheater (20) is used for heating steam, and the hydrogen reactor (30) is used for preparing hydrogen, characterized in that the steam generator (10) comprises:

a generator body (17), wherein a vapor material accommodating cavity (171) is arranged inside the generator body (17), and the vapor material accommodating cavity (171) is used for storing vapor material;

a vapor material pipe (15), the vapor material pipe (15) being disposed outside the generator body (17) and communicating with the vapor material accommodating chamber (171), the vapor material pipe (15) being for conveying a vapor material to the vapor material accommodating chamber (171);

the vapor material conduit (15) comprises: a vapor material delivery pipe (151) and a gas-liquid separation pipe; the vapor material conveying pipe (151) is communicated with a vapor material conveying device, and the gas-liquid separation pipe is connected between the vapor material conveying pipe (151) and the vapor material accommodating cavity (171);

wherein the vapor material is conveyed by the vapor material conveying device to the gas-liquid separation pipe through the vapor material conveying pipe (151), and the gas-liquid separation pipe can perform gas-liquid separation on the vapor material.

2. The hydrogen-rich gas generating apparatus according to claim 1, wherein the gas-liquid separation tube comprises:

a connection pipe (152), the connection pipe (152) being connected to the vapor material delivery pipe (151);

a first pipe (153), one end of the first pipe (153) is communicated with the connecting pipe (152), and the other end is communicated with the vapor material accommodating cavity (171)

A second pipe (154), one end of the second pipe (154) is communicated with the connecting pipe (152), and the other end is communicated with the vapor material accommodating cavity (171)

Wherein the liquid vapor material after gas-liquid separation is conveyed to the vapor material accommodating cavity (171) by the first pipeline (153); the gaseous vapor material after the gas-liquid separation is conveyed to the vapor material accommodating chamber (171) by the second pipe (154).

3. The hydrogen-rich gas generating apparatus according to claim 2, wherein the second pipe (154) is disposed in parallel with the first pipe (153), and the second pipe (154) is located above the first pipe (153) in a vertical direction.

4. The hydrogen-rich gas generating apparatus according to claim 2, wherein the generator body (17) is further provided inside with an exhaust gas accommodating chamber (131), a vapor accommodating chamber (172) and an exhaust gas accommodating chamber (174); the exhaust gas containing cavity (131), the vapor material containing cavity (171), the vapor containing cavity (172) and the exhaust gas containing cavity (174) are sequentially arranged.

5. The hydrogen-rich gas generating apparatus according to claim 4, further comprising:

the tail gas input pipe (13), the tail gas input pipe (13) is arranged on the generator body (17) and is communicated with the tail gas accommodating cavity (131);

a first vapor output pipe (173), wherein the first vapor output pipe (173) is arranged on the generator body (17) and is communicated with the vapor accommodating cavity (172);

and an exhaust gas output pipe (16), wherein the exhaust gas output pipe (16) is arranged on the generator body (17) and is communicated with the exhaust gas accommodating cavity (174).

6. The hydrogen-rich gas generating apparatus according to claim 4, wherein said steam generator (10) further comprises:

a third pipe (18), wherein the third pipe (18) is arranged in the vapor material accommodating cavity (171) and the vapor accommodating cavity (172), and two ends of the third pipe (18) are respectively communicated with the exhaust gas accommodating cavity (174) and the exhaust gas accommodating cavity (131); and the third pipeline (18) is filled with combustion catalyst.

7. The hydrogen-rich gas generating apparatus according to claim 6, wherein said steam generator (10) further comprises:

an expansion joint (175), wherein the expansion joint (175) is arranged at a position of the generator body (17) close to the vapor accommodating cavity (172);

and/or the expansion joint (175) is arranged on the third pipeline (18).

8. The hydrogen-rich gas generating apparatus according to claim 5, wherein the superheater (20) comprises:

a superheater body (26), wherein a superheater cavity (261) is arranged inside the superheater body (26);

a first steam input pipe (22), wherein one end of the first steam input pipe (22) is communicated with the first steam output pipe (173), and the other end of the first steam input pipe is communicated with the superheating cavity (261);

-a second vapour outlet pipe (23), said second vapour outlet pipe (23) being connected to said superheating chamber (261).

9. The hydrogen-rich gas generating apparatus according to claim 8, wherein the hydrogen reactor (30) includes:

a reactor body (35), wherein a hydrogen accommodating cavity (351) is arranged inside the reactor body (35);

a second vapor input pipe (32), wherein one end of the second vapor input pipe (32) is communicated with the second vapor output pipe (23), and the other end is communicated with the hydrogen containing cavity (351);

a hydrogen output pipe (33), the hydrogen output pipe (33) being communicated to the hydrogen accommodating chamber (351);

wherein, hydrogen production catalyst is filled in the hydrogen accommodating cavity (351).

10. The hydrogen-rich gas generating apparatus according to claim 9, further comprising:

a first heating element (12), the first heating element (12) being arranged on the generator body (17) for heating the vapour material receiving cavity (171);

a second heating element (24), wherein the second heating element (24) is arranged on the superheater body (26) and is used for heating the superheating cavity (261);

and a third heating element (34), wherein the third heating element (34) is arranged on the reactor body (35) and is used for heating the hydrogen accommodating cavity (351).