Distributed hydrogen treatment system

Abstract

The invention provides a distributed hydrogen treatment system which comprises a plurality of flow collecting shells, the flow collecting shells are arranged on hydrogen production equipment and connected with a catalytic reactor through a first gas recovery pipeline, and a noble metal catalyst is arranged in the catalytic reactor; the catalytic reactor is connected with an inlet of a hydrogen adsorption assembly through a second gas recovery pipe, an outlet of the hydrogen adsorption assembly is connected with hydrogen production equipment through a desorbed hydrogen conveying pipeline, and a first hydrogen analyzer is arranged on the first gas recovery pipe; the first hydrogen analyzer is used for monitoring the concentration of hydrogen in the recycled mixed gas in real time; efficient recovery and utilization of hydrogen with different concentrations are achieved, the recovery utilization rate and purity of the hydrogen are improved, and the treatment cost and energy consumption of the system are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen processing, and in particular to a distributed hydrogen processing system. Background Art

[0002] With the continuous development and application of hydrogen energy technology, the efficient recovery and utilization of hydrogen has become an important link in the hydrogen energy industry chain. In the process of hydrogen production, a large amount of waste gas containing low-concentration hydrogen is often produced. If these waste gases are not treated, they will not only cause waste of resources, but also pollute the environment. Therefore, the development of an efficient, economical and environmentally friendly hydrogen processing system is of great significance to improving the recovery and utilization rate of hydrogen and promoting the development of the hydrogen energy industry.

[0003] Traditional hydrogen processing systems mostly use a single processing method, such as direct combustion, compressed storage or chemical absorption, but these methods have many shortcomings when processing low-concentration hydrogen. For example, direct combustion wastes a lot of heat energy and may produce harmful gases; compressed storage consumes a lot of energy and has safety hazards; chemical absorption may cause secondary pollution and has high processing costs.

[0004] In recent years, distributed hydrogen processing systems have gradually attracted attention because of their ability to achieve gradual purification and efficient utilization of hydrogen. However, existing distributed hydrogen processing systems still have some problems when dealing with low-concentration hydrogen. For example, some systems lack real-time hydrogen concentration monitoring mechanisms; others may have problems with insufficient or over-reaction during the catalytic reaction stage, resulting in low hydrogen recovery efficiency or unnecessary energy consumption.

[0005] The disclosure of the above background technology content is only used to assist in understanding the inventive concept and technical solution of the present invention. It does not necessarily belong to the prior art of this patent application, nor does it necessarily provide technical guidance. In the absence of clear evidence that the above content has been disclosed before the filing date of this patent application, the above background technology should not be used to evaluate the novelty and creativity of the present application. Summary of the invention

[0006] In order to solve the technical problem of how to efficiently recover and utilize hydrogen of different concentrations, the present invention proposes a distributed hydrogen processing system to achieve efficient recovery and utilization of hydrogen of different concentrations, which not only improves the recovery rate and purity of hydrogen, but also reduces the processing cost and energy consumption of the system, while ensuring the safety and reliability of equipment operation.

[0007] In order to achieve the above object, the technical solution of the present invention is as follows:

[0008] The present invention provides a distributed hydrogen processing system, comprising: a plurality of collecting shells, wherein the collecting shells are arranged on a hydrogen production device, the collecting shells are connected to a catalytic reactor through a first gas recovery pipeline, a precious metal catalyst is arranged in the catalytic reactor, the catalytic reactor is connected to an inlet of a hydrogen adsorption component through a second gas recovery pipe, the outlet of the hydrogen adsorption component is connected to the hydrogen production device through a desorbed hydrogen delivery pipeline, a first hydrogen analyzer is arranged on the first gas recovery pipe, and the first hydrogen analyzer is used for real-time monitoring of the hydrogen concentration in the recovered mixed gas.

[0009] The present invention proposes a distributed hydrogen processing system to achieve efficient recovery and utilization of hydrogen of different concentrations, which not only improves the recovery rate and purity of hydrogen, but also reduces the processing cost and energy consumption of the system, while ensuring the safety and reliability of equipment operation.

[0010] As a preferred technical solution, the hydrogen adsorption component includes: at least two hydrogen adsorbers, a second hydrogen analyzer is provided on the desorbed hydrogen delivery pipeline, the first hydrogen analyzer and the second hydrogen analyzer are electrically connected to a controller respectively, the controller is electrically connected to the hydrogen adsorption component, and the controller controls the adsorption time and / or desorption time of the hydrogen adsorption component according to the recovered hydrogen concentration at the inlet of the hydrogen adsorber monitored in real time by the first hydrogen analyzer and the desorbed hydrogen concentration at the outlet of the hydrogen adsorber monitored in real time by the second hydrogen analyzer.

[0011] As a preferred technical solution, a heater is provided in one end of the hydrogen adsorber, and an adsorbent is filled in the other end of the hydrogen adsorber.

[0012] As a preferred technical solution, the adsorbent is AB 5 Type hydrogen storage alloy, AB 2 Type hydrogen storage alloy, AB 3 Type hydrogen storage alloy, A 2 B 7 Type hydrogen storage alloy, A 5 B 19 Any one or more of the type hydrogen storage alloys.

[0013] As a preferred technical solution, the noble metal catalyst is any one of platinum, palladium, ruthenium, rhodium, gold, and silver, or any alloy of several of them.

[0014] As a preferred technical solution, a gas-water separator is provided between the catalytic reactor and the hydrogen adsorption assembly, and the gas-water separator is arranged on the second gas recovery pipe.

[0015] As a preferred technical solution, a filter is provided between the outlet of the hydrogen adsorption assembly and the hydrogen production equipment, and the filter is arranged on the desorbed hydrogen delivery pipeline.

[0016] As a preferred technical solution, a fan is provided between the collecting shell and the catalytic reactor, and the fan is arranged on the first gas recovery pipeline.

[0017] As a preferred technical solution, the collecting shell is arranged corresponding to the hydrogen production equipment, and the shape of the collecting shell is arched or trapezoidal.

[0018] As a preferred technical solution, a plurality of control valves are provided on the pipeline at the inlet of the hydrogen adsorption assembly and / or the outlet of the hydrogen adsorption assembly.

[0019] The distributed hydrogen processing system provided by the present invention has the following beneficial effects:

[0020] 1) Realize efficient recovery and utilization of hydrogen of different concentrations, which not only improves the recovery rate and purity of hydrogen, but also reduces the processing cost and energy consumption of the system, while ensuring the safety and reliability of equipment operation;

[0021] 2) Since hydrogen has a low density and will flow upward, a collecting shell is arranged above the hydrogen production equipment to collect and guide the mixed gas containing leaked hydrogen into the recovery system. This design enables the mixed gas containing leaked hydrogen to be effectively collected; when the hydrogen concentration value in the recovered mixed gas monitored in real time by the first hydrogen analyzer does not reach the starting threshold of the noble metal catalyst reaction, the mixed gas passes through the catalytic reactor without undergoing a composite reaction, and directly enters the hydrogen adsorber for adsorption and / or desorption, and the system operates normally;

[0022] When the concentration of the recovered hydrogen monitored in real time by the first hydrogen analyzer reaches the starting threshold of the noble metal catalyst reaction, at this time, the temperature of the mixed gas meets the temperature requirement of the hydrogen-oxygen recombination reaction, and the pressure of the gas has no effect on the hydrogen-oxygen recombination reaction. Therefore, the noble metal catalyst and the recovered hydrogen automatically undergo a hydrogen-oxygen recombination reaction;

[0023] The above reaction operation is completed until the concentration of the recovered hydrogen monitored in real time by the first hydrogen analyzer is lower than the reaction stop threshold of the precious metal catalyst. At this time, the rate of the automatic hydrogen-oxygen recombination reaction between the precious metal catalyst and the recovered hydrogen is very slow, and it can be considered that the hydrogen-oxygen recombination reaction between the precious metal catalyst and the recovered hydrogen stops, and the recovered hydrogen enters the hydrogen adsorber through the catalytic reactor for adsorption and / or desorption operation, and the system operates normally;

[0024] When the hydrogen concentration is high, there is a risk of explosion, so it is necessary to quickly eliminate the hydrogen through the hydrogen-oxygen composite reaction of the precious metal catalyst to prevent explosion; when the hydrogen concentration in the recovered mixed gas is lower than the starting threshold of the precious metal catalyst reaction, the gas does not undergo a hydrogen-oxygen composite catalytic reaction when passing through the catalytic reactor. At this time, there is no risk of explosion for the hydrogen, and it can directly enter the hydrogen adsorber for adsorption and / or desorption operations;

[0025] The recovered hydrogen is returned to the hydrogen production equipment through the desorption hydrogen transmission pipeline, realizing the recycling of hydrogen. This design enables the system to be flexibly controlled and adjusted according to the actual concentration of hydrogen, avoiding the problem of low processing efficiency caused by the lack of real-time data in traditional systems; at the same time, by reducing the concentration of hydrogen, the purification efficiency of subsequent hydrogen adsorption components can also be improved, further reducing the processing cost, which not only improves the recovery rate and purity of hydrogen, but also reduces the processing cost and energy consumption of the system, while ensuring the safety and reliability of equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A structural schematic diagram of a distributed hydrogen processing system provided by the present invention;

[0027] Among them, 1-collecting shell; 2-blower; 3-catalytic reactor; 301-precious metal catalyst; 4-gas-water separator; 5-hydrogen adsorber; 501-heater; 502-adsorbent; 6-filter; 7-first hydrogen analyzer; 8-second hydrogen analyzer; 9-controller; 10-control valve; 11-hydrogen production equipment; 12-first gas recovery pipe; 13-second gas recovery pipe; 14-desorption hydrogen delivery pipeline. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0029] It should be noted that the terms "first" and "second" and the like in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein.

[0030] like Figure 1 As shown, the present invention provides a distributed hydrogen processing system, comprising: a plurality of collecting shells 1, wherein the collecting shells 1 are arranged on a hydrogen production device 11, the collecting shells 1 are connected to a catalytic reactor 3 via a first gas recovery pipe 12, a precious metal catalyst 301 is arranged in the catalytic reactor 3, the catalytic reactor 3 is connected to an inlet of a hydrogen adsorption component via a second gas recovery pipe 13, and an outlet of the hydrogen adsorption component is connected to the hydrogen production device 11 via a desorption hydrogen delivery pipe 14, and a first hydrogen analyzer 7 is arranged on the first gas recovery pipe 12, and the first hydrogen analyzer 7 is used for real-time monitoring of the hydrogen concentration in the recovered mixed gas.

[0031] The present invention provides a distributed hydrogen processing system, which realizes the efficient recovery and utilization of hydrogen of different concentrations, not only improving the recovery rate and purity of hydrogen, but also reducing the processing cost and energy consumption of the system, while ensuring the safety and reliability of equipment operation.

[0032] Since hydrogen has a low density and will flow upward, the collecting shell 1 is arranged above the hydrogen production equipment 11 and connected thereto, and is used to collect and guide the mixed gas containing leaked hydrogen into the recovery system. This design enables the mixed gas containing leaked hydrogen to be effectively collected; when the hydrogen concentration value in the recovered mixed gas monitored in real time by the first hydrogen analyzer 7 does not reach the preset upper limit threshold of hydrogen concentration, the mixed gas enters the hydrogen adsorber 5 through the catalytic reactor 3 for adsorption and / or desorption, and the system operates normally;

[0033] When the concentration of the recovered hydrogen monitored in real time by the first hydrogen analyzer 7 reaches the reaction start threshold of the precious metal catalyst 301, at this time, the temperature of the mixed gas meets the temperature requirement of the hydrogen-oxygen recombination reaction, and the pressure of the gas has no effect on the hydrogen-oxygen recombination reaction. Therefore, the precious metal catalyst 301 and the recovered hydrogen automatically undergo a hydrogen-oxygen recombination reaction;

[0034] The above operation is completed until the concentration of the recovered hydrogen monitored in real time by the first hydrogen analyzer 7 is lower than the reaction stop threshold of the precious metal catalyst 301. At this time, the rate of the automatic hydrogen-oxygen recombination reaction between the precious metal catalyst 301 and the recovered hydrogen is very slow. It can be considered that the hydrogen-oxygen recombination reaction between the precious metal catalyst 301 and the recovered hydrogen stops, and the recovered hydrogen enters the hydrogen adsorber 5 through the catalytic reactor 3 to continue the adsorption and / or desorption operation, and the system operates normally;

[0035] When the hydrogen concentration is high, there is a risk of explosion, so it is necessary to quickly eliminate the hydrogen through the hydrogen-oxygen composite reaction of the precious metal catalyst 301 to prevent explosion; when the hydrogen concentration in the recovered mixed gas is lower than the reaction start threshold of the precious metal catalyst 301, the gas does not undergo a hydrogen-oxygen composite catalytic reaction when passing through the catalytic reactor 3. At this time, there is no risk of explosion for the hydrogen, and it can directly enter the hydrogen adsorber 5 for adsorption and / or desorption operations;

[0036] The recovered hydrogen is returned to the hydrogen production equipment 11 through the desorbed hydrogen delivery pipeline 14, realizing the recycling of hydrogen. This design enables the system to be flexibly controlled and adjusted according to the actual concentration of hydrogen, avoiding the problem of low processing efficiency caused by the lack of real-time data in traditional systems; at the same time, by reducing the concentration of hydrogen, the purification efficiency of subsequent hydrogen adsorption components can also be improved, further reducing the processing cost, which not only improves the recovery rate and purity of hydrogen, but also reduces the processing cost and energy consumption of the system, while ensuring the safety and reliability of equipment operation.

[0037] The precious metal catalyst 301 is preferably in the form of plates or particles, but may also be in other forms.

[0038] Preferably, the hydrogen adsorption component comprises: at least two hydrogen adsorbers 5, a second hydrogen analyzer 8 is provided on the desorbed hydrogen delivery pipeline 14, the first hydrogen analyzer 7 and the second hydrogen analyzer 8 are electrically connected to a controller 9 respectively, the controller 9 is electrically connected to the hydrogen adsorption component, and the controller 9 controls the adsorption time and / or desorption time of the hydrogen adsorption component according to the recovered hydrogen concentration value at the inlet of the hydrogen adsorber 5 monitored in real time by the first hydrogen analyzer 7 and the desorbed hydrogen concentration value at the outlet of the hydrogen adsorber monitored in real time by the second hydrogen analyzer 8; the first hydrogen analyzer 7 monitors the recovered hydrogen concentration value at the inlet of the hydrogen adsorber 5 in real time, and the desorbed hydrogen concentration value at the outlet of the hydrogen adsorber 5 in real time. The hydrogen concentration value in the mixed gas is collected to provide accurate input data for the controller; this helps the system to respond to changes in hydrogen concentration in a timely manner, thereby adjusting the adsorption strategy; the second hydrogen analyzer 8 monitors the desorbed hydrogen concentration value at the outlet of the hydrogen adsorber in real time to ensure the effectiveness of the desorption process and the purity of the hydrogen, and this data is also used by the controller to optimize the desorption strategy; by monitoring the desorbed hydrogen concentration, the controller can accurately control the adsorption and / or desorption time to ensure that the hydrogen is completely desorbed and the impurity content is low, which helps to improve the recovery rate and purity of the hydrogen; according to the processing volume, it is preferred to set at least two hydrogen adsorbers 5 to ensure that adsorption and desorption are carried out continuously, thereby improving work efficiency;

[0039] Preferably, if Figure 1 As shown, a heater 501 is provided in one end of the hydrogen adsorber 5, and an adsorbent 502 is filled in the other end of the hydrogen adsorber 5. The heating device 501 is used to heat the gas to achieve adsorption conditions; the adsorbent 502 is used to adsorb hydrogen; the gas completes hydrogen adsorption in one of the hydrogen adsorbers 5, and then completes hydrogen desorption in the other hydrogen adsorber 5, and then the gas inlet is switched through the control valve 10. In the next stage, hydrogen adsorption is performed in the hydrogen adsorber 5 that has completed desorption before, and hydrogen desorption is performed in the hydrogen adsorber 5 that has completed adsorption before, so as to ensure that adsorption and desorption are carried out continuously.

[0040] Preferably, the adsorbent 502 is AB 5 Type hydrogen storage alloy, AB 2 Type hydrogen storage alloy, AB 3 Type hydrogen storage alloy, A 2 B 7 Type hydrogen storage alloy, A 5 B 19 Any one or more of the types of hydrogen storage alloys. Due to the selective adsorption of hydrogen by hydrogen storage alloys, they can effectively remove impurities in the recovered hydrogen, such as oxygen, nitrogen and water vapor, which helps to improve the purity of hydrogen and make it more suitable for subsequent utilization processes.

[0041] Preferably, the precious metal catalyst 301 is any one or any alloy of platinum, palladium, ruthenium, rhodium, gold, and silver, which can react with high-concentration hydrogen in the recovered mixed gas and oxygen in the air under certain conditions to produce a hydrogen-oxygen complex reaction, thereby achieving the purpose of reducing the hydrogen concentration in the mixed gas.

[0042] Preferably, a gas-water separator 4 is provided between the catalytic reactor 3 and the hydrogen adsorption assembly. The gas-water separator 4 is arranged on the second gas recovery pipe 13. The gas-water separator 4 is used to remove water vapor and liquid entrained in the recovered mixed gas to improve the hydrogen recovery efficiency.

[0043] Preferably, a filter 6 is provided between the outlet of the hydrogen adsorption component and the hydrogen production equipment 11, and the filter 6 is arranged on the desorbed hydrogen delivery pipeline 14. The desorbed hydrogen is filtered through the filter 6 to remove impurities, and is returned to the hydrogen production equipment for recycling, thereby further improving the purity of the desorbed hydrogen.

[0044] Preferably, a fan 2 is provided between the collecting shell 1 and the catalytic reactor 3. The fan 2 is arranged on the first gas recovery pipeline 12. The fan 2 provides power for the gas flow to ensure the stable operation of the entire system. Since the fan 2 can provide stable gas power, it can avoid system blockage, leakage and other problems caused by poor gas flow or insufficient pressure.

[0045] Preferably, the collecting shell 1 is arranged corresponding to the hydrogen production equipment 11, and the collecting shell 1 is arched or trapezoidal in shape. The arched or trapezoidal collecting shell design can effectively guide the gas flow, so that it can enter the hydrogen recovery system more smoothly. This design can reduce the resistance and eddy current during the gas flow process, thereby improving the gas flow efficiency and the overall performance of the system.

[0046] Preferably, a plurality of control valves 10 are provided on the pipeline at the inlet of the hydrogen adsorption component and / or the outlet of the hydrogen adsorption component, and the control valves 10 are electrically connected to the controller 9. The control valves 10 are controlled by the controller 9 to control the pressure equalization time during hydrogen adsorption and desorption. In the pressure increase stage, the appropriate pressure equalization time can ensure that the hydrogen is fully contacted and adsorbed onto the adsorbent, thereby improving the adsorption efficiency; in the pressure reduction stage, the reasonable pressure equalization time helps the hydrogen in the adsorbent to desorb smoothly, avoids hydrogen residue, and further improves the regeneration efficiency and recycling performance of the adsorbent.

[0047] Preferably, several hydrogen production equipments 11 can share a set of distributed hydrogen processing systems, and different numbers of distributed hydrogen processing systems can be used according to the scale of hydrogen production and use.

[0048] like Figure 1As shown, the present invention provides a distributed hydrogen processing system. Hydrogen leakage is inevitable in the hydrogen production equipment 11, but the leakage amount is extremely small. At this time, the leaked hydrogen and the mixed gas of the surrounding air are collected by the upper collecting shell 1, and are transported to the catalytic reactor 3 by the fan 2 through the first gas recovery pipeline 12. At this time, the hydrogen concentration in the collected mixed gas is low, and the precious metal catalyst 301 in the catalytic reactor 3 cannot be started to produce hydrogen-oxygen complex reaction. The mixed gas enters the gas-water separator 4 from the catalytic reactor 3 through the second gas recovery pipeline 13. After the gas-water separator 4 removes liquids such as alkali liquid and water vapor in the mixed gas, it is continuously transported to the hydrogen adsorber 5 through the second gas recovery pipeline 13. After the heater 501 in the hydrogen adsorber 5 is heated to the adsorption temperature, the hydrogen in the mixed gas is adsorbed on the adsorbent 502 in the hydrogen adsorber 5 by increasing the pressure, and the hydrogen in the hydrogen adsorber 5 is adsorbed on the adsorbent 502 in the hydrogen adsorber 5 by reducing the pressure. Desorption of adsorbed hydrogen; at least two hydrogen adsorbers 5 are provided according to the processing volume to ensure continuous hydrogen adsorption and desorption; a plurality of control valves 10 are provided on the pipeline at the inlet and / or the outlet of the hydrogen adsorption component, and the control valve 10 is controlled by the controller 9 to control the pressure equalization time during hydrogen adsorption and desorption, and the desorbed hydrogen is transported to the filter 6 through the desorption hydrogen delivery pipeline 14, and the filter 6 removes impurities, and the hydrogen after impurities are removed continues to be transported to the hydrogen production equipment 11 through the desorption hydrogen delivery pipeline 14, and the first hydrogen analyzer 7 is provided at the inlet of the hydrogen adsorber 5, and the second hydrogen analyzer 8 is provided at the outlet of the hydrogen adsorber 5 to monitor the concentration of hydrogen in real time, and transmits the hydrogen concentration signal to the controller, and the controller 9 can accurately control the adsorption and / or desorption time to ensure that hydrogen can be adequately adsorbed and desorbed, thereby improving the recovery rate and purity of hydrogen;

[0049] When the hydrogen concentration value in the recovered mixed gas monitored in real time by the first hydrogen analyzer 7 does not reach the starting threshold of the noble metal catalyst reaction, the mixed gas enters the hydrogen adsorber 5 through the catalytic reactor 3 for adsorption and / or desorption, and the system operates normally;

[0050] When an abnormal leakage occurs in the hydrogen production equipment 11, the hydrogen content increases sharply, and the concentration of the recovered hydrogen monitored in real time by the first hydrogen analyzer 7 reaches the threshold value for starting the reaction of the precious metal catalyst, and the precious metal catalyst 301 automatically undergoes a hydrogen-oxygen composite reaction with the recovered hydrogen;

[0051] The above operation is completed until the concentration of the recovered hydrogen monitored in real time by the first hydrogen analyzer 7 is lower than the reaction stop threshold of the precious metal catalyst 301. At this time, the rate of the automatic hydrogen-oxygen recombination reaction between the precious metal catalyst 301 and the recovered hydrogen is very slow. It can be considered that the hydrogen-oxygen recombination reaction between the precious metal catalyst 301 and the recovered hydrogen stops, and the recovered hydrogen enters the hydrogen adsorber 5 through the catalytic reactor 3 to continue the adsorption and / or desorption operation, and the system operates normally;

[0052] When the hydrogen concentration is high, there is a risk of explosion, so it is necessary to quickly eliminate the hydrogen through the hydrogen-oxygen composite reaction of the precious metal catalyst 301 to prevent explosion; when the hydrogen concentration in the recovered mixed gas is lower than the reaction start threshold of the precious metal catalyst 301, the gas does not undergo a hydrogen-oxygen composite catalytic reaction when passing through the catalytic reactor 3. At this time, there is no risk of explosion for the hydrogen, and it can directly enter the hydrogen adsorber 5 for adsorption and / or desorption operations;

[0053] The recovered hydrogen is returned to the hydrogen production equipment 11 through the desorbed hydrogen delivery pipeline 14, realizing the recycling of hydrogen. This design enables the system to be flexibly controlled and adjusted according to the actual concentration of hydrogen, avoiding the problem of low processing efficiency caused by the lack of real-time data in traditional systems; at the same time, by reducing the concentration of hydrogen, the purification efficiency of subsequent hydrogen adsorption components can also be improved, further reducing the processing cost, which not only improves the recovery rate and purity of hydrogen, but also reduces the processing cost and energy consumption of the system, while ensuring the safety and reliability of equipment operation.

[0054] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all various changes or equivalent substitutions falling within the scope of the claims of the present application are included. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are within the scope protected by the present invention.

Claims

1. A distributed hydrogen processing system, characterized in that: include: A plurality of collecting shells are provided on the hydrogen production equipment, the collecting shells are connected to the catalytic reactor through a first gas recovery pipe, a precious metal catalyst is arranged in the catalytic reactor, the catalytic reactor is connected to the inlet of the hydrogen adsorption component through a second gas recovery pipe, the outlet of the hydrogen adsorption component is connected to the hydrogen production equipment through a desorption hydrogen delivery pipe, a first hydrogen analyzer is provided on the first gas recovery pipe, and the first hydrogen analyzer is used for real-time monitoring of the hydrogen concentration in the recovered mixed gas.

2. The distributed hydrogen processing system according to claim 1, characterized in that: The hydrogen adsorption component includes: at least two hydrogen adsorbers, a second hydrogen analyzer is provided on the desorbed hydrogen delivery pipeline, the first hydrogen analyzer and the second hydrogen analyzer are electrically connected to a controller respectively, the controller is electrically connected to the hydrogen adsorption component, and the controller controls the adsorption time and / or desorption time of the hydrogen adsorption component according to the recovered hydrogen concentration at the inlet of the hydrogen adsorber monitored in real time by the first hydrogen analyzer and the desorbed hydrogen concentration at the outlet of the hydrogen adsorber monitored in real time by the second hydrogen analyzer.

3. The distributed hydrogen processing system according to claim 2, characterized in that: A heater is arranged in one end of the hydrogen adsorber, and an adsorbent is filled in the other end of the hydrogen adsorber.

4. The distributed hydrogen processing system according to claim 3, characterized in that: The adsorbent is AB5 type hydrogen storage alloy, AB2 type hydrogen storage alloy, AB3 type hydrogen storage alloy, A2B7 type hydrogen storage alloy, A5B 19 Any one or more of the type hydrogen storage alloys.

5. The distributed hydrogen processing system according to claim 1, characterized in that: The noble metal catalyst is any one of platinum, palladium, ruthenium, rhodium, gold, silver or any alloy of several of them.

6. The distributed hydrogen processing system according to claim 1, characterized in that: A gas-water separator is provided between the catalytic reactor and the hydrogen adsorption assembly, and the gas-water separator is arranged on the second gas recovery pipe.

7. The distributed hydrogen processing system according to claim 1, characterized in that: A filter is provided between the outlet of the hydrogen adsorption component and the hydrogen production equipment, and the filter is arranged on the desorbed hydrogen delivery pipeline.

8. The distributed hydrogen processing system according to claim 1, characterized in that: A fan is provided between the collecting shell and the catalytic reactor, and the fan is arranged on the first gas recovery pipeline.

9. The distributed hydrogen processing system according to claim 8, characterized in that: The current collecting shell is arranged corresponding to the hydrogen production equipment, and the shape of the current collecting shell is arched or trapezoidal.

10. The distributed hydrogen processing system according to claim 1, characterized in that: A plurality of control valves are arranged on the pipeline at the inlet of the hydrogen adsorption assembly and / or the outlet of the hydrogen adsorption assembly.

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