CN214734510U

CN214734510U - Hydrogen production system

Info

Publication number: CN214734510U
Application number: CN202023351010.XU
Authority: CN
Inventors: 张会强; 王硕
Original assignee: Guangdong Alcohol Hydrogen New Energy Research Institute Co Ltd
Current assignee: Sichuan Woyouda Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31
Also published as: CN214693316U; CN214700634U; CN214936050U; CN215161001U; CN112744784A

Abstract

The utility model discloses a hydrogen production system. The hydrogen production system comprises: the steam generator is internally provided with a steam space, and the steam space is of a hollow structure formed by a plurality of steam pipes and is used for generating steam required by hydrogen production; the hydrogen reactor is communicated with the steam generator and is used for preparing and generating crude hydrogen; the purification device is connected with the hydrogen reactor and is used for purifying the crude hydrogen generated by the hydrogen reactor; the hydrogen reactor is sleeved inside the steam generator, a connecting pipe is arranged between the steam generator and the hydrogen reactor, and the steam generator can convey steam to the hydrogen reactor through the connecting pipe. The utility model discloses simple structure, can effectual solution hydrogen manufacturing efficiency lower, the technical problem that hydrogen purity is low, the purification device of setting has the advantage that improves hydrogen manufacturing efficiency, control hydrogen purity.

Description

Hydrogen production system

Technical Field

The utility model is suitable for a chemical industry equipment technical field especially relates to a hydrogen production system.

Background

Energy is the most important element in human economic activities. Hydrogen energy is emerging as a recognized clean energy source in today's society as a low carbon and zero carbon energy source. Hydrogen as a new energy fuel represents a very broad and potential market. The inevitable development of how to prepare and meet from planning and technology is a very important matter. It is a future trend to select advanced technologies, rational methods to produce and use hydrogen to achieve maximum economic and environmental benefits.

At present, methanol is widely used for preparing hydrogen, and the methanol hydrogen preparation refers to a process for preparing hydrogen by taking methanol as a raw material and carrying out a conversion reaction through methanol steam under the action of a hydrogen preparation catalyst under certain temperature and pressure conditions. In the prior art, the method of recycling the mixed gas obtained by mixing the tail gas obtained by the reaction of the methanol vapor and the hydrogen production catalyst with the air by combustion catalysis effectively reduces the resource loss. However, the existing equipment has low efficiency, complex structure and low purification degree when hydrogen is produced by burning tail gas.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a hydrogen production system, can effectual solution hydrogen production efficiency lower, the technical problem that hydrogen purity is low, have the technological effect who improves hydrogen production efficiency, control hydrogen purity.

The utility model provides a hydrogen production system, a serial communication port, include: the steam generator is internally provided with a steam space, and the steam space is formed into an annular structure by at least one steam pipe and is used for generating steam required by hydrogen production; the hydrogen reactor is communicated with the steam generator and is used for preparing and generating crude hydrogen; the purification device is connected with the hydrogen reactor and is used for purifying the crude hydrogen generated by the hydrogen reactor; the hydrogen reactor is sleeved inside the steam generator, a connecting pipe is arranged between the steam generator and the hydrogen reactor, and the steam generator can convey steam to the hydrogen reactor through the connecting pipe.

The utility model discloses simple structure, can effectual solution hydrogen manufacturing efficiency lower, the technical problem that hydrogen purity is low, the purification device of setting has the advantage that improves hydrogen manufacturing efficiency, control hydrogen purity.

Preferably, the steam generator comprises: a housing having a hydrogen reactor accommodating space therein; the steam space is positioned between the hydrogen reactor accommodating space and the shell and is wound in the hydrogen reactor accommodating space; a liquid chamber at one end of the vapor space; a vapor chamber at the other end of the vapor space; and the steam pipe is arranged in the steam space and is communicated with the liquid cavity and the steam cavity.

The arrangement of the steam pipe, the liquid cavity and the steam cavity in the steam space ensures that liquid in the liquid cavity is heated to generate steam, and the steam can circulate to the steam cavity.

Further, the connection pipe may be provided as an internal connection or an external connection.

The device is more flexible and diversified in the installation process.

Further, the external connection is that a connecting pipe is arranged between the steam generator and the hydrogen reactor; the internal connection is as follows: and a connecting hole is formed in the inner wall of the steam generator and the outer wall of the hydrogen reactor.

Different connection modes can be selected according to the requirements of different users and application scenes, for example, the mode of internal connection can be set in consideration of space saving. If the maintenance is convenient, an external connection mode can be adopted, so that the selectivity of the device is greatly improved, and the application range of the device is widened.

Further, in an embodiment of the present invention, the vapor space is further provided with a tail gas chamber, a combustion catalyst accommodating chamber and a superheating chamber, wherein the vapor chamber, the superheating chamber, the combustion catalyst accommodating chamber, the tail gas chamber and the liquid chamber are sequentially arranged.

And introducing tail gas into the tail gas cavity, and after the tail gas is uniformly distributed in the tail gas cavity, allowing the tail gas to enter the combustion catalyst containing cavity to react with the combustion catalyst in the combustion catalyst containing cavity so as to generate heat, and further heating the steam pipe. ,

further, the method also comprises the following steps: a combustion catalyst is added in the combustion catalyst accommodating cavity, and a heat storage component is added in the overheating cavity; and the combustion catalyst and the heat storage member are located between the vapor tube and the casing.

The combustion catalyst provides heat for the steam of the steam pipe through combustion, and when tail gas enters the overheating cavity, the heat storage component further absorbs the heat of the tail gas, so that the heat is effectively and fully utilized, and the maximization of the utilization of the heat is ensured.

Further, the steam pipes are arranged in a ring shape, the inside of the steam pipes is hollow to form the accommodating space of the hydrogen reactor, and the number of the steam pipes is multiple.

The steam pipes are annularly arranged to form a hollow hydrogen reactor accommodating space inside, so that the steam generating efficiency is effectively guaranteed, and the steam generating rate is improved.

Further, the hydrogen reactor comprises: a hydrogen production space is arranged in the outer shell; the hydrogen production space includes: the steam accommodating cavity is provided with a steam inlet and is communicated with the steam generator; the catalytic reaction space is filled with a hydrogen production catalyst. When the steam is introduced into the hydrogen reactor, the steam reacts with the hydrogen production catalyst in the catalytic reaction space, and further hydrogen is generated.

Further, the method also comprises the following steps: and the electric heater is arranged in the hydrogen production space and used for heating steam.

The electric heater ensures the reaction temperature of steam and the hydrogen production catalyst, and can ensure the generation efficiency of hydrogen.

Further, the purification device: the method comprises the following steps: a gas-liquid separator connected to the hydrogen outlet; at least one purifier connected to the gas-liquid separator; a tail gas receiver connected between the purifier and the steam generator; and the pipeline is connected among the steam generator, the hydrogen reactor and the purification device and is used for purifying hydrogen and treating tail gas.

The purification device can remove other impurity gases in the hydrogen, improves the purity of the hydrogen and can treat other impurity gases in the hydrogen.

Further, the method also comprises the following steps: and a cooling part arranged on the pipeline and used for cooling the hydrogen produced by the hydrogen generator.

The cooling part is arranged in the pipeline, so that the waste heat in the prepared hydrogen can be recycled, and the availability of resources is enhanced.

Further, the embodiment of the utility model provides a hydrogen manufacturing method is still provided, hydrogen manufacturing method includes: s10: adding liquid required by hydrogen production into the liquid cavity; heating the liquid by using a first electric heater to generate steam, and enabling the steam to flow into a steam pipe; s20: introducing tail gas into the tail gas cavity, and enabling the tail gas to react with the combustion catalyst in the combustion catalyst containing cavity to generate heat so as to heat the steam pipe; s30: the steam in the steam generator flows into the hydrogen reactor and is heated by the electric heating pipe, so that the steam reacts with the hydrogen production catalyst in the hydrogen reactor to generate hydrogen; s40: hydrogen flows into a gas-liquid separator through a hydrogen output pipe through a pipeline, gas-liquid separation is carried out, liquid is discharged from the bottom of the gas-liquid separator, and gas enters a purifier; s50: obtaining pure hydrogen and tail gas through a purifier; the tail gas flows into the tail gas receiver, further flows into the tail gas cavity through the pipeline, and is discharged from the tail gas outlet after being combusted.

To sum up, adopt the technical scheme of the utility model afterwards, can reach following technological effect:

1) the hydrogen production catalyst is arranged in the hydrogen production pipe, and can directly generate hydrogen in the hydrogen production pipe, so that the reaction space is saved, and the manufacturing cost of the device is effectively reduced;

2) the electric heater effectively ensures the temperature required by the reaction of the steam and the hydrogen production catalyst, and effectively enhances the hydrogen generation rate;

3) and the cyclic utilization of resources is realized through the reaction of the combustion catalyst and the tail gas.

4) The hydrogen reactor is arranged in the steam generator, so that the space of the device is effectively saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a steam generator 100 according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the structure shown in FIG. 1 at another angle;

FIG. 3 is a schematic view of a further angle shown in FIG. 1;

FIG. 4 is a schematic view of a portion of the structure of FIG. 1;

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is a schematic view of the internal structure of FIG. 4;

FIG. 7 is a partial schematic view of FIG. 6;

FIG. 8 is another schematic view of the structure shown in FIG. 5;

FIG. 9 is a schematic view of yet another configuration shown in FIG. 5;

fig. 10 is a schematic structural view of a hydrogen reactor 200 according to a second embodiment of the present invention;

FIG. 11 is a schematic view of another angular configuration shown in FIG. 10;

FIG. 12 is a cross-sectional view of FIG. 10;

fig. 13 is a schematic view of the internal structure of the hydrogen reactor 200;

FIG. 14 is a schematic view of a portion of the structure of FIG. 13;

fig. 15 is a schematic structural diagram of a hydrogen production system 300 according to a third embodiment of the present invention;

FIG. 16 is a partial schematic view of FIG. 15;

FIG. 17 is a cross-sectional view of FIG. 16;

FIG. 18 is a schematic diagram of a configuration of hydrogen production system 300;

FIG. 19 is another angle structure diagram of FIG. 18

Fig. 20 is a schematic structural view of a purification apparatus 270 according to a fourth embodiment of the present invention;

fig. 21 is another angle structure diagram of fig. 20.

Description of the main element symbols:

100 is a steam generator; 1 is an opening at the top; 2 is an opening at the bottom; 3 is a hydrogen reactor accommodating space; 10 is a shell; 11 is a tail gas outlet; 12 is a combustion catalyst adding port; 13 is a tail gas inlet; 14 is a first electric heater; 15 is a liquid inlet; 16 is a liquid outlet; 17 is a first flange; 18 is a second flange; 19 is a supporting seat; 20 is a vapor space; 21 is a liquid chamber; 22 is a steam cavity; 23 is a tail gas cavity; 24 is a combustion catalyst accommodating chamber; 25 is a overheating cavity; 26 is a clapboard; 30 is a steam pipe; 31 is a fin; 32 is a second electric heater;

200 is a hydrogen reactor; 110 is an outer shell; 101 is a steam accommodating cavity; 102 is a hydrogen production space; 120 is a hydrogen output pipe; 130 is a third flange; 140 is a fourth flange; 150 is a fixed flange; 160 is a third electric heater; 170 is a porous separator;

300 is a hydrogen production system; 210 is a liquid level device; 220 is a vapor outlet pipe; 221 is a steam control valve; 222 is a temperature sensor; 230 is a pipeline; 231 is a hydrogen output pipe; 232 is a plate heat exchanger; 233 is an air cooler; 234 is a hydrogen tube; 235 is a tail gas pipeline; 240 is a liquid pipe; 241 is a fluid infusion pipeline; 242 is a drainage pipe; 244 is an air duct; 245 is a liquid inlet pipeline; 250 is an exhaust pipeline; 260 is a support part; 270 is a purification device; 271 is a gas-liquid separator; 272 is a tail gas receiver; 273 is a purifier; 274 is a hydrogen inlet; 275 is a drain pipe; 276 is a tail gas discharge pipeline; 277 is a pure hydrogen pipeline; 278 is a tail gas receiving pipe; 279 is a second liquid level; 281 is a control valve; 282 is a hydrogen gas flow pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

[ first embodiment ] A method for manufacturing a semiconductor device

Referring to fig. 1 to 7, which are schematic structural views of a steam generator 100 according to an embodiment of the present invention, the steam generator 100 includes: a housing 10, a vapor space 20, a liquid chamber 21, a vapor chamber 22, and a vapor tube 30; a housing 10 having a hydrogen reactor accommodating space 3 provided therein; a vapor space 20, which is located between the hydrogen reactor accommodating space 3 and the shell 10 and is wound around the hydrogen reactor accommodating space 3; a liquid chamber 21 located at a bottom end of the vapor space 20, and the liquid chamber 21 is provided with the first electric heater 14; a vapor chamber 22 located at the top of the vapor space 20; and a vapor pipe 30 provided in the vapor space 20 and communicating the liquid chamber 21 and the vapor chamber 22. The upper end of the steam generator 100 is provided with a top opening 1, the bottom end is provided with a bottom opening 2, the hydrogen reactor accommodating space 3 is positioned between the top opening 1 and the bottom opening 2,

further, the steam space 20 is also provided with a tail gas cavity 23, a combustion catalyst containing cavity 24 and a superheating cavity 25, wherein the steam cavity 22, the superheating cavity 25, the combustion catalyst containing cavity 24, the tail gas cavity 23 and the liquid cavity 21 are sequentially stacked from top to bottom, and a partition plate 26 is arranged between every two of the steam cavity, the superheating cavity 25, the combustion catalyst containing cavity 24, the tail gas cavity 23 and the liquid cavity 21; it is of course also possible to arrange them in order in the horizontal direction, wherein the partition 26 between the superheating chamber 25, the combustion catalyst containing chamber 24 and the exhaust gas chamber 23 is provided with exhaust gas flow holes (not shown in the figure) for the flow of the exhaust gas.

Preferably, the combustion catalyst accommodating cavity 24 is filled with a combustion catalyst, and the overheating cavity 25 is filled with a heat storage component; and the combustion catalyst and the heat storage member are located between the vapor tube 30 and the casing 10, and specifically, the heat storage member may be a heat storage ball, and/or a heat storage block.

Further, fins 31 are wound outside the steam tubes 30, the fins 31 are used for increasing the heat exchange area, and the heat storage assembly is located among the steam tubes 30, the fins 31 and the shell 10.

Preferably, the steam generator 100 further includes: a tail gas outlet 11, a combustion catalyst adding port 12, a tail gas inlet 13, a liquid inlet 15 and a liquid outlet 16; the liquid inlet 15 and the liquid outlet 16 are communicated to the liquid cavity 21 and are used for supplementing or discharging liquid in the liquid cavity 21; a tail gas inlet 13 communicated to the tail gas cavity 23 for introducing tail gas to be reacted into the steam generator 100, and a tail gas outlet 11 communicated to the superheating cavity 25 for discharging the reacted tail gas; the combustion catalyst adding port 12 is communicated to the combustion catalyst accommodating chamber 24 for adding the combustion catalyst to the combustion catalyst accommodating chamber 24; wherein the exhaust gas can enter the overheating chamber 25 from the exhaust gas chamber 23 through the exhaust gas passing hole of the partition plate 26.

Preferably, the steam generator 100 further includes: a first flange 17, a second flange 18 and a support base 19; the first flange 17 and the second flange 18 are detachably mounted on the top of the steam generator 100, and a plurality of small holes are formed in the surface of the second flange 18; furthermore, the first flange 17 and the second flange 18 can be connected in a sealing manner through bolts and other connection modes, the first flange 17 and the second flange 18 can be arranged to be single-neck, double-neck or multi-neck flanges, multi-circle sealing between the flanges can be achieved, and the connection sealing performance is enhanced.

Further, a support base 19 is disposed outside the housing 10 for supporting the steam generator 100; the second electric heater 32 is disposed in the vapor space 20 through the small hole, and specifically, referring to fig. 6 and 7, the second electric heater 32 extends into the vapor tube 30 through the vapor chamber 22.

Preferably, referring to fig. 5, 8 and 9, the first electric heater 14 may be disposed at the bottom or a side surface of the liquid chamber 21; the vapor tube 30 is circumferentially disposed along the hydrogen reactor accommodating space 3, and the vapor tube 30 may be disposed as a single ring or multiple rings.

Preferably, the embodiment of the present invention further provides a method for adjusting heating of a steam generator in real time, which comprises the following steps:

step S1, when the device is started, the first electric heater 14 is first activated to heat the liquid in the liquid chamber 21 to generate steam, and the steam flows into the steam pipe 30;

step S2, starting the second electric heater 32 to overheat the steam in the steam pipe 30;

step S3, detecting the temperature of the steam, and turning off the electric heater when the temperature of the steam reaches a set upper limit threshold value T0;

step S4, opening the exhaust gas inlet 13, introducing the exhaust gas into the combustion catalyst accommodating chamber 24, reacting with the combustion catalyst and heating the steam in the steam pipe 30;

and step S5, detecting the temperature of the steam, and increasing the temperature of the steam when the temperature of the steam is lower than a set lower limit threshold value T1.

[ second embodiment ]

Referring to fig. 10-14, a hydrogen reactor 200 is also provided according to a second embodiment of the present invention. The hydrogen reactor 200 includes, for example: an outer shell 110, a hydrogen output pipe 120, a third flange 130 and a fourth flange 140; a steam accommodating cavity 101 and a hydrogen production space 102 are arranged in the outer shell 110; a hydrogen output pipe 120 is arranged on the outer shell 110, communicated to the hydrogen production space 102 and used for discharging hydrogen generated by the reaction; the third flange 130 is detachably mounted to the bottom of the outer case 110, and the fourth flange 140 is detachably mounted to the top of the outer case 110. Specifically, the hydrogen production space 102 may be filled with the hydrogen production catalyst via a detachable fourth flange 140.

Further, the hydrogen reactor 200 further includes: a hydrogen production catalyst (not shown), a third electric heater 160, and a fixing flange 150; wherein the hydrogen production catalyst is filled in the hydrogen production space 102 and can react with steam; the third electric heater 160 extends into the steam accommodating cavity 101 and the hydrogen production space 102 through a small hole at the upper end of the fourth flange 140, and is used for heating the steam and keeping the temperature required by the reaction of the hydrogen production catalyst and the steam; the fixing flange 150 is fixedly coupled to an outside of the outer case 110.

Preferably, the vapor-containing chamber 101 and the hydrogen-producing space 102 are provided with a porous partition 170 for circulation of vapor between the vapor-containing chamber 101 and the hydrogen-producing space 102 and installation of the third electric heater 160.

[ third embodiment ]

Referring to fig. 15-17, a third embodiment of the present invention further provides a hydrogen production system 300, wherein the hydrogen production system 300 comprises: a steam generator 100 and a hydrogen generator 200; wherein, the steam generator 100 is sleeved outside the hydrogen reactor 200, and at this time, the hydrogen reactor 200 is located in the hydrogen reactor accommodating space 3 of the steam generator 100 and is communicated by a steam output pipe 220; the steam can be delivered from the steam generator 100 to the hydrogen reactor 200 through a steam output pipe 220, and further, the steam output pipe 220 is provided with a steam control valve 221 which can control the delivery amount of the steam; the steam output pipe 220 is further provided with a temperature sensor 222 for detecting the temperature of the steam in the steam output pipe and displaying the temperature, so that the hydrogen production efficiency can be improved.

Preferably, hydrogen production system 300 further comprises: the level gauge 210 is disposed outside the vapor generator 100 and the hydrogen generator 200 and communicates the vapor generator 100 and the hydrogen generator 200 for detecting the amount of liquid in the liquid chamber 21 inside the vapor reactor 100.

Preferably, referring to fig. 2, 3 and 11, the fixing flange 150 of the hydrogen reactor 200 is detachably mounted on the second flange 18 of the steam generator 100 by bolts or the like, and the fixing flange 150 is connected with the second flange 18, so that the hydrogen reactor 200 can be detachably connected with the steam generator 100, and the purpose of individual replacement or maintenance can be achieved; and effectively reduces the utilization space of the device.

Preferably, referring to fig. 1, 13, 18, and 19, hydrogen production system 300 further comprises: a pipe 230, a liquid pipe 240, an exhaust pipe 250, and a support portion 260; the duct 230 includes: a hydrogen flow pipe 231, a hydrogen pipe 234 and a tail gas pipe 235; wherein, the hydrogen flow pipe 231 is connected to the hydrogen output pipe 120, the hydrogen pipe 234 is connected to the hydrogen flow pipe 231, and the tail gas pipe 235 is connected to the tail gas inlet 13.

Further, a cooling portion (not shown in the figure) is further disposed between the hydrogen flow pipe 231 and the hydrogen pipe 234, and the cooling portion includes a plate heat exchanger 232 and an air cooler 233; the hydrogen cooling device is mainly used for cooling the hydrogen in the hydrogen flow pipe 231 and storing the temperature in the plate heat exchanger 232.

Preferably, the liquid pipe 240 includes: a liquid supplementing pipeline 241, a liquid discharging pipeline 242, an air pipeline 244 and a liquid inlet pipeline 245; the liquid supplementing pipeline 241 is connected to the liquid inlet pipeline 245 through the cooling part, wherein the liquid in the pipeline can absorb the heat in the plate heat exchanger 232 and then is conveyed into the vapor reactor 100 through the liquid inlet pipeline 245; an air line 244 communicates to an exhaust line 235; and air is introduced into the tail gas pipeline to reduce the concentration of hydrogen in the tail gas. The exhaust duct 250 is connected to the exhaust gas outlet 11, and the support base 19 is connected to the support portion 260 for fixing the steam generator 100 and the hydrogen generator 200.

Preferably, referring to fig. 20 and 21, hydrogen production system 300 further comprises a purification device 270, purification device 270 being connected to vapor reactor 100 and hydrogen reactor 200 by piping; specifically, the purification apparatus 270 includes: a gas-liquid separator 271, a purifier 273, a tail gas receiver 272, and a second level indicator 279; a gas-liquid separator 271 having a hydrogen inlet 274 and a liquid outlet (not shown) at the bottom thereof; a purifier 273 having a pure hydrogen outlet (not shown), the purifier 273 being connected to the gas-liquid separator 271; a tail gas receiver 272 provided with a tail gas discharge pipe 276 and a tail gas receiving pipe 278, the tail gas receiver 272 being connected between the purifier 273 and the steam generator 100; the second level indicator 279 is disposed outside the gas-liquid separator 271 and is used for detecting the liquid amount in the gas-liquid separator 271.

Further, a hydrogen pipe 234 is connected to the hydrogen inlet 274, a drain pipe 275 is connected to the drain port, and the purifier 273 is connected to the off-gas storage pipe 278 through a pipe (not shown); purifier 273 is provided with a pure hydrogen outlet (not shown) connected to a pure hydrogen line 277.

Preferably, at least one of the gas-liquid separator 271, the purifier 273 and the off-gas receiver 272 is provided; hydrogen flow pipe 282 has one end connected to purifier 273 and the other end connected to pure hydrogen pipe 277; a plurality of control valves 281 are provided in the pipe among the gas-liquid separator 271, the purifier 273, and the off-gas receiver 272, so that the purity of hydrogen and the hydrogen production efficiency can be effectively controlled.

[ fourth example ] A

A fourth embodiment of the present invention provides a method for producing hydrogen, comprising:

s10: liquid required for hydrogen production is added into the liquid cavity 21; heating the liquid by the first electric heater 14 to generate steam, and flowing into the steam pipe 30;

s20: introducing tail gas into the tail gas cavity 23, and enabling the tail gas to react with the combustion catalyst in the combustion catalyst accommodating cavity 24 to generate heat so as to heat the steam pipe 24;

s30: the steam in the steam generator 100 flows into the hydrogen reactor 200 and is heated by the electric heating tube 160, so that the steam reacts with the hydrogen production catalyst in the hydrogen reactor 100 to generate hydrogen;

s40: the hydrogen flows into the gas-liquid separator 271 through the pipeline from the hydrogen output pipe 120, and is subjected to gas-liquid separation, the liquid is discharged from the bottom of the gas-liquid separator 271, and the gas enters the purifier 273;

s50: pure hydrogen and tail gas are obtained through a purifier 273; the tail gas flows into the tail gas receiver 272, further flows into the tail gas cavity 23 through a pipeline, and is discharged from the tail gas outlet 11 after being combusted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A hydrogen production system, comprising:

the steam generator is internally provided with a steam space, and the steam space is formed into an annular structure by at least one steam pipe and is used for generating steam required by hydrogen production;

the hydrogen reactor is communicated with the steam generator and is used for preparing and generating crude hydrogen;

the purification device is connected with the hydrogen reactor and is used for purifying the crude hydrogen generated by the hydrogen reactor;

the hydrogen reactor is sleeved inside the steam generator, a connecting pipe is arranged between the steam generator and the hydrogen reactor, and the steam generator can convey steam to the hydrogen reactor through the connecting pipe.

2. The hydrogen generation system of claim 1, wherein the purification apparatus comprises:

a gas-liquid separator connected to the hydrogen outlet;

at least one purifier connected to the gas-liquid separator;

a tail gas receiver respectively connected with the purifier and the steam generator;

and the pipeline is connected among the steam generator, the hydrogen reactor and the purification device and is used for purifying hydrogen and treating tail gas.

3. The hydrogen production system of claim 2, further comprising:

and a cooling part arranged on the pipeline and used for cooling the hydrogen produced by the hydrogen generator.

4. The hydrogen generation system of claim 1, wherein the vapor generator comprises:

a housing having a hydrogen reactor accommodating space therein; the vapor space is positioned between the hydrogen reactor accommodating space and the shell and is wound in the hydrogen reactor accommodating space;

a liquid chamber at one end of the vapor space;

a vapor chamber at the other end of the vapor space;

and the steam pipe is arranged in the steam space and is communicated with the liquid cavity and the steam cavity.

5. The hydrogen generation system according to claim 4, wherein the vapor space is further provided with a tail gas chamber, a combustion catalyst accommodating chamber, and a superheating chamber, wherein the vapor chamber, the superheating chamber, the combustion catalyst accommodating chamber, the tail gas chamber, and the liquid chamber are arranged in this order.

6. The hydrogen production system of claim 5, further comprising: the combustion catalyst accommodating cavity is filled with a combustion catalyst, and the overheating cavity is filled with a heat storage component; and the combustion catalyst and the heat storage assembly are located outside the vapor tube.

7. The hydrogen generation system according to claim 4, wherein the vapor tubes are arranged in a ring shape, the inside of the vapor tubes is hollow to form the hydrogen reactor accommodating space, and the vapor tubes are arranged in plurality.

8. The hydrogen generation system of claim 1, wherein the hydrogen reactor comprises:

a hydrogen production space is arranged in the outer shell;

the hydrogen production space includes:

the steam accommodating cavity is provided with a steam inlet and is communicated with the steam generator;

the catalytic reaction space is filled with a hydrogen production catalyst.

9. The hydrogen production system of claim 1, wherein the connecting tube is configured as an internal connection or an external connection.

10. The hydrogen production system as claimed in claim 9, wherein the external connection: a connecting pipe is arranged between the steam generator and the outside of the hydrogen reactor; the internal connection is as follows: and a connecting hole is formed in the inner wall of the steam generator and the outer wall of the hydrogen reactor.