阅读说明：本技术 余热回收利用系统和加氢站 (Waste heat recycling system and hydrogen filling station ) 是由 李光河 王志民 柴瑞杰 于 2021-09-29 设计创作，主要内容包括：本申请提出了一种余热回收利用系统和加氢站,属于制氢设备技术领域。余热回收利用系统包括：制氢机,用于制造氢气；压缩机组件,与制氢机相连,压缩机组件用于压缩氢气；加氢机,与压缩机组件相连,加氢机用于输出氢气；余热回收系统,用于将制氢机、压缩机组件和加氢机产生的余热进行回收储存；其中,余热回收系统回收的余热用于制氢机的保温,使制氢机的温度在预设范围内。通过本申请的技术方案,可以将制氢机、压缩机、加氢机的余热回收,减少热量的浪费,同时通过将余热回收系统的余热用于制氢机保温和其它系统供热,可有效提高余热的利用效率。(The application provides a waste heat recycling system and a hydrogen station, and belongs to the technical field of hydrogen production equipment. The waste heat recovery utilizes the system and includes: a hydrogen production machine for producing hydrogen; the compressor assembly is connected with the hydrogen production machine and is used for compressing hydrogen; the hydrogenation machine is connected with the compressor component and is used for outputting hydrogen; the waste heat recovery system is used for recovering and storing waste heat generated by the hydrogen production machine, the compressor assembly and the hydrogenation machine; the waste heat recovered by the waste heat recovery system is used for heat preservation of the hydrogen production machine, so that the temperature of the hydrogen production machine is in a preset range. Through the technical scheme of this application, can reduce thermal waste with the waste heat recovery of hydrogen manufacturing machine, compressor, hydrogenation machine, simultaneously through being used for hydrogen manufacturing machine heat preservation and other system heat supplies with waste heat recovery system's waste heat, can effectively improve the utilization efficiency of waste heat.)

1. A waste heat recovery system, comprising:

a hydrogen generator (110) for generating hydrogen;

a compressor assembly coupled to the hydrogen generator (110), the compressor assembly configured to compress hydrogen gas;

a hydrogenation machine (120) connected with the compressor component, wherein the hydrogenation machine (120) is used for outputting hydrogen;

the waste heat recovery system (130) is used for recovering and storing waste heat generated by the hydrogen production machine (110), the compressor assembly and the hydrogenation machine (120);

the waste heat recovered by the waste heat recovery system (130) is used for heat preservation of the hydrogen production machine (110), so that the temperature of the hydrogen production machine (110) is in a preset range.

2. The heat recovery system of claim 1, further comprising:

and the electric heating system (140) is connected with the hydrogen production machine (110), and the electric heating system (140) is used for heating the hydrogen production machine (110).

3. The heat recovery system of claim 2, further comprising:

the control system (150) is electrically connected with the waste heat recovery system (130) and the electric heating system (140), and the control system (150) is used for controlling the heating power of the electric heating system (140) and/or controlling the heat supply quantity of the waste heat recovery system (130).

4. The waste heat recovery system according to claim 3,

the control system (150) is also used for controlling the waste heat recovery system (130) to supply heat to other systems.

5. The waste heat recovery system of claim 4, wherein the compressor assembly comprises:

a first compressor (160) for compressing hydrogen gas produced by the hydrogen generator (110);

a second compressor (170) connected to the first compressor (160), wherein the second compressor (170) is used for compressing the hydrogen compressed by the first compressor (160).

6. The heat recovery system of claim 5, further comprising:

a hydrogen storage tank assembly for storing hydrogen gas, the hydrogen storage tank assembly comprising:

a first hydrogen tank (180) connected to the first compressor (160) and the second compressor (170), respectively;

and the second hydrogen storage tank (190) is respectively connected with the second compressor (170) and the hydrogenation machine (120).

7. The waste heat recovery system according to claim 6,

the hydrogen generator (110) comprises a reactor for generating hydrogen at a preset temperature;

the waste heat recovery system further comprises:

a temperature sensor (200), the temperature sensor (200) for detecting a temperature of the reactor.

8. The waste heat recovery system according to claim 7,

the control system (150) is electrically connected to the temperature sensor (200), and the control system (150) is further configured to analyze the temperature of the reactor detected by the temperature sensor (200).

9. The waste heat recovery system according to claim 8,

when the hydrogen storage capacity of the hydrogen storage tank assembly rises to a first preset value, the hydrogen production machine (110) stops producing hydrogen, and the control system (150) controls the heating power of the electric heating system (140) and the heat supply of the waste heat recovery system (130) according to the temperature of the reactor, so that the temperature of the reactor is in a preset range.

10. The waste heat recovery system according to any one of claims 6 to 8,

when the hydrogen storage capacity of the hydrogen storage tank assembly is reduced to a second preset value, the hydrogen making machine (110) starts to make hydrogen, and the waste heat recovery system (130) recovers and stores waste heat generated by the hydrogen making machine (110), the compressor assembly and the hydrogenation machine (120).

11. A hydrogen station, comprising:

the waste heat recovery system as claimed in any one of claims 1 to 10.

Technical Field

The application belongs to the technical field of hydrogen production equipment, and particularly relates to a waste heat recycling system and a hydrogenation station.

Background

The hydrogen production and hydrogenation integrated hydrogenation station generally adopts the modes of water electrolysis hydrogen production, methanol reforming hydrogen production, natural gas reforming hydrogen production and the like to produce hydrogen on site. On one hand, equipment such as a hydrogen production machine, a compressor and the like can generate a large amount of waste heat, and the waste heat is not effectively utilized at present, so that a large amount of waste heat is generated; on the other hand, the hydrogen production opportunity has frequent start and stop due to random vehicle hydrogenation time. The hydrogen production machine is started after being stopped for a period of time, the reactor needs to reach a preset temperature to normally produce hydrogen, and the process not only needs a certain time, but also needs a certain amount of energy to be consumed. When the hydrogen production machine is shut down, the reactor is generally subjected to heat preservation in an electric heating mode, so that the time from restart of the hydrogen production machine to normal hydrogen production is shortened, but the method has the defect of high power consumption, and the overall energy consumption of a hydrogenation station is higher.

Disclosure of Invention

Embodiments according to the present application aim to ameliorate at least one of the technical problems of the prior art or the related art.

In view of the above, an object of the embodiments according to the present application is to provide a waste heat recycling system.

It is another object of embodiments according to the present application to provide a hydrogen refueling station.

In order to achieve the above object, a technical solution of a first aspect of the present application provides a waste heat recycling system, including: a hydrogen production machine for producing hydrogen; the compressor assembly is connected with the hydrogen production machine and is used for compressing hydrogen; the hydrogenation machine is connected with the compressor component and is used for outputting hydrogen; the waste heat recovery system is used for recovering and storing waste heat generated by the hydrogen production machine, the compressor assembly and the hydrogenation machine; the waste heat recovered by the waste heat recovery system is used for heat preservation of the hydrogen production machine, so that the temperature of the hydrogen production machine is in a preset range.

According to the waste heat recycling system provided by the application, the hydrogen production machine, the compressor assembly, the hydrogenation machine and the waste heat recycling system are included. Wherein, the hydrogen manufacturing machine is used for manufacturing hydrogen, the compressor component is used for compressing hydrogen, and the hydrogenation machine is used for outputting hydrogen to the vehicle. During the working process of the hydrogen production machine, the compressor assembly and the hydrogenation machine, a large amount of waste heat can be generated, and the waste heat can be recycled and stored by the waste heat recovery system, so that the waste of heat is reduced. Meanwhile, the waste heat recovery system uses a part of recovered waste heat for heat preservation of the hydrogen production machine, so that the temperature of the hydrogen production machine is in a preset range, the hydrogen production machine is always kept at a proper temperature, and the other part of the recovered waste heat is used for heat supply of other systems, so that heat can be supplied to a heating system of a working area in a hydrogen station, and the utilization efficiency of the waste heat is effectively improved.

In addition, the technical scheme provided by the application can also have the following additional technical characteristics:

among the above-mentioned technical scheme, waste heat recovery utilizes system still includes: and the electric heating system is connected with the hydrogen production machine and is used for heating the hydrogen production machine.

In the technical scheme, the waste heat recycling system further comprises an electric heating system, and the electric heating system is used for heating the hydrogen production machine to enable the temperature of the hydrogen production machine to be raised to the temperature required by the reaction, so that the hydrogen production machine can start to produce hydrogen.

Among the above-mentioned technical scheme, waste heat recovery utilizes system still includes: and the control system is respectively electrically connected with the waste heat recovery system and the electric heating system and is used for controlling the heating power of the electric heating system and/or controlling the heat supply quantity of the waste heat recovery system.

In the technical scheme, the waste heat recycling system further comprises a control system, and the control system controls the heating power of the electric heating system and the heat supply quantity of the waste heat recycling system according to the temperature of the hydrogen production machine, so that the high-efficiency utilization of waste heat can be realized, the power consumption can be greatly reduced, and the energy consumption of the hydrogen filling station is reduced.

In the technical scheme, the control system is also used for controlling the waste heat recovery system to supply heat to other systems.

In the technical scheme, the control system controls the heating power of the electric heating system and the heat supply quantity of the waste heat recovery system, and simultaneously controls the waste heat recovery system to supply heat to other systems, so that the waste heat is effectively utilized, and waste of the waste heat is avoided.

Among the above-mentioned technical scheme, the compressor package includes: the first compressor is used for compressing the hydrogen produced by the hydrogen production machine; and the second compressor is connected with the first compressor and is used for compressing the hydrogen compressed by the first compressor.

In this technical scheme, compressor unit spare includes first compressor and second compressor, and first compressor and second compressor are established ties, and the hydrogen of hydrogen manufacturing machine output carries out once compression through first compressor earlier, and rethread second compressor carries out the secondary compression to reduce hydrogen storage volume.

Among the above-mentioned technical scheme, waste heat recovery utilizes system still includes: a hydrogen storage tank assembly for storing hydrogen gas, the hydrogen storage tank assembly comprising: the first hydrogen storage tank is respectively connected with the first compressor and the second compressor; and the second hydrogen storage tank is respectively connected with the second compressor and the hydrogenation machine.

In this technical scheme, waste heat recovery utilizes system still includes hydrogen storage tank subassembly, and hydrogen storage tank subassembly is used for storing hydrogen. The hydrogen storage tank assembly comprises a first hydrogen storage tank and a second hydrogen storage tank, hydrogen compressed by the first compressor enters the first hydrogen storage tank, the second compressor sucks hydrogen from the first hydrogen storage tank and compresses the hydrogen, and then the hydrogen enters the second hydrogen storage tank from the second compressor. The second hydrogen storage tank is connected with the hydrogenation machine, so that the hydrogenation machine can output hydrogen to the hydrogen energy vehicle.

In the technical scheme, the hydrogen production machine comprises a reactor, wherein the reactor is used for producing hydrogen at a preset temperature; the waste heat recovery utilizes the system still includes: and the temperature sensor is used for detecting the temperature of the reactor.

In the technical scheme, the hydrogen production machine comprises a reactor, and the waste heat recycling system further comprises a temperature sensor. The reactor is used for generating hydrogen at a preset temperature, and the temperature sensor can detect the temperature of the reactor so as to control the temperature of the reactor within a preset range.

In the technical scheme, the control system is electrically connected with the temperature sensor and is also used for analyzing the temperature of the reactor detected by the temperature sensor.

In the technical scheme, the control system is electrically connected with the temperature sensor, can receive the temperature of the reactor detected by the temperature sensor, and controls the heating power of the electric heating system and the heat supply quantity of the waste heat recovery system by analyzing the temperature of the reactor, so that the temperature of the reactor can be in a preset range.

In the technical scheme, when the storage capacity of the hydrogen storage tank assembly rises to a first preset value, the hydrogen production machine stops producing hydrogen, and the control system controls the heating power of the electric heating system and the heat supply quantity of the waste heat recovery system according to the temperature of the reactor, so that the temperature of the reactor is within a preset range.

In the technical scheme, when the hydrogen storage capacity of the hydrogen storage tank assembly rises to a certain amount, the hydrogen production machine stops producing hydrogen, the compressor assembly is also in a standby state, the control system controls the heating power of the electric heating system and controls the heat supply amount of the waste heat recovery system according to the temperature of the reactor, the heat of the reactor is preserved, the temperature of the reactor is in a preset range, so that the hydrogen production machine can be rapidly converted into the hydrogen production state from the heat standby state, the utilization rate of waste heat is improved, and the energy consumption is reduced.

According to the technical scheme, when the hydrogen storage capacity of the hydrogen storage tank assembly is reduced to the second preset value, the hydrogen production machine starts to produce hydrogen, the waste heat recovery system recovers and stores waste heat generated by the hydrogen production machine, the compressor assembly and the hydrogenation machine, and the control system controls the heating power of the electric heating system and controls the heat supply quantity of the waste heat recovery system, so that the temperature of the reactor is in the preset range.

In the technical scheme, when the hydrogen quantity of the hydrogen storage tank assembly is consumed to a certain quantity by the hydrogenation of the vehicle, the hydrogen production machine is rapidly converted into the hydrogen production state from the hot standby state, the waste heat generated by the hydrogen production machine, the compressor assembly and the hydrogenation machine is recovered and stored by the waste heat recovery system, meanwhile, the control system controls the heating power of the electric heating system and the heat supply quantity of the waste heat recovery system, the temperature of the reactor is in a preset range, the temperature of the reactor is ensured to be in a proper temperature range, the waste of heat is reduced, the utilization rate of the waste heat is improved, and the energy consumption is reduced.

According to a second aspect of the present application, there is provided a hydrogen station comprising: the waste heat recovery system according to any one of the above first aspects of the present application.

According to the present application, the hydrogen refueling station includes the waste heat recycling system according to any one of the above first aspects of the present application, so that the waste heat recycling system has all the advantages of the waste heat recycling system according to any one of the above first aspects of the present application, and details are not repeated herein.

Additional aspects and advantages of embodiments in accordance with the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments in accordance with the present application.

Drawings

FIG. 1 is a schematic diagram of the operation of a waste heat recovery system according to one embodiment provided herein;

FIG. 2 is a block diagram schematic of a waste heat recovery system according to one embodiment provided herein;

FIG. 3 is a block diagram illustrating the structure of a hydrogen refueling station according to one embodiment provided herein.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

10: a waste heat recovery and utilization system; 110: a hydrogen production machine; 120: a hydrogenation machine; 130: a waste heat recovery system; 140: an electrical heating system; 150: a control system; 160: a first compressor; 170: a second compressor; 180: a first hydrogen storage tank; 190: a second hydrogen storage tank; 200: a temperature sensor; 30: a hydrogen station.

Detailed Description

In order that the above objects, features and advantages of embodiments according to the present application may be more clearly understood, embodiments according to the present application will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that features of embodiments according to the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments according to the present application, however, embodiments according to the present application may be practiced in other ways than those described herein, and therefore the scope of protection afforded by embodiments according to the present application is not limited by the specific embodiments disclosed below.

Some embodiments provided in accordance with the present application are described below with reference to fig. 1-3.

As shown in fig. 1 and 2, a waste heat recycling system 10 according to an embodiment of the present application includes a hydrogen generator 110, a compressor assembly, a hydrogenation unit 120, and a waste heat recycling system 130. Specifically, hydrogen generator 110 is used to produce hydrogen gas. A compressor assembly is coupled to hydrogen-producing machine 110, the compressor assembly being configured to compress hydrogen gas. The hydrogenation machine 120 is connected with the compressor component, and the hydrogenation machine 120 is used for outputting hydrogen. The waste heat recovery system 130 is used for recovering and storing waste heat generated by the hydrogen production machine 110, the compressor assembly and the hydrogenation machine 120. The waste heat recovered by the waste heat recovery system 130 is used for heat preservation of the hydrogen production machine 110, so that the temperature of the hydrogen production machine 110 is within a preset range.

The waste heat recycling system 10 provided by the embodiment comprises a hydrogen production machine 110, a compressor assembly, a hydrogenation machine 120 and a waste heat recycling system 130. Wherein hydrogen-producing machine 110 is used to produce hydrogen gas, compressor assembly is used to compress the hydrogen gas, and hydrogen-producing machine 120 is used to export the hydrogen gas to the vehicle. During the operation of the hydrogen production machine 110, the compressor assembly and the hydrogenation machine 120, a large amount of waste heat is generated, and the waste heat recovery system 130 can recover and store the waste heat, so that the waste of heat is reduced. Meanwhile, the waste heat recovery system 130 uses a part of the recovered waste heat for heat preservation of the hydrogen production machine 110, so that the temperature of the hydrogen production machine 110 is within a preset range, the hydrogen production machine 110 is always kept at a proper temperature, and the other part of the recovered waste heat is used for heat supply of other systems, so that heat can be supplied to a heating system in a working area in the hydrogen station 30, and the utilization efficiency of the waste heat is effectively improved.

Further, the waste heat recycling system 10 further includes an electric heating system 140, and the electric heating system 140 is connected to the hydrogen production machine 110. Electric heating system 140 is used to heat hydrogen generator 110 to raise the temperature of hydrogen generator 110 to the temperature required for the reaction, thereby enabling hydrogen generator 110 to begin producing hydrogen.

In the above embodiment, the waste heat recycling system 10 further includes the control system 150, and the control system 150 is electrically connected to the waste heat recycling system 130 and the electric heating system 140 respectively. According to the temperature of the hydrogen production machine 110, the control system 150 controls the heating power of the electric heating system 140 and the heat supply amount of the waste heat recovery system 130, so that not only can the high-efficiency utilization of waste heat be realized, but also the power consumption can be greatly reduced, and the energy consumption of the hydrogen station 30 can be reduced. The control system 150 controls the heating power of the electric heating system 140 and the heat supply amount of the waste heat recovery system 130, and also controls the waste heat recovery system 130 to supply heat to other systems, so that the waste heat is effectively utilized, and waste of the waste heat is avoided.

In some embodiments, the compressor assembly includes a first compressor 160 and a second compressor 170, the first compressor 160 and the second compressor 170 are connected in series, and the hydrogen produced by the hydrogen generator 110 is compressed by the first compressor 160 for a first time and then compressed by the second compressor 170 for a second time, thereby reducing the hydrogen storage volume.

Further, the waste heat recycling system 10 further includes a hydrogen storage tank assembly for storing hydrogen. The hydrogen storage tank assembly includes a first hydrogen storage tank 180 and a second hydrogen storage tank 190, the hydrogen gas compressed by the first compressor 160 enters the first hydrogen storage tank 180, and the second compressor 170 sucks and compresses the hydrogen gas from the first hydrogen storage tank 180, and then enters the second hydrogen storage tank 190 from the second compressor 170. The second hydrogen storage tank 190 is connected to the hydrogenation unit 120 so that the hydrogenation unit 120 can output hydrogen to the hydrogen-powered vehicle.

In the above embodiment, the hydrogen generator 110 includes a reactor, and the waste heat recovery system 10 further includes the temperature sensor 200. The reactor is used to generate hydrogen gas at a preset temperature, and the temperature sensor 200 can detect the temperature of the reactor. The control system 150 is electrically connected to the temperature sensor 200, and is capable of receiving the temperature of the reactor detected by the temperature sensor 200, and controlling the heating power of the electric heating system 140 and the heat supply amount of the waste heat recovery system 130 by analyzing the temperature of the reactor, so that the temperature of the reactor can be within a preset range.

In some embodiments, when the hydrogen storage capacity of the hydrogen storage tank assembly rises to a certain amount, the hydrogen production machine 110 stops producing hydrogen, the compressor assembly is also in a standby state, the control system 150 controls the heating power of the electric heating system 140 and controls the heat supply amount of the waste heat recovery system 130 according to the temperature of the reactor, keeps the temperature of the reactor within a preset range, so that the hydrogen production machine 110 can be quickly switched from the heat standby state to the hydrogen production state, and in addition, the control system 150 supplies the redundant heat in the waste heat recovery system 130 to the heating system in the working area of the hydrogen production station 30 for heating, thereby improving the utilization rate of the waste heat and reducing the energy consumption.

In some embodiments, when the hydrogen amount of the hydrogen storage tank assembly is consumed by the vehicle hydrogenation to a certain amount, the hydrogen production machine 110 is rapidly switched from the hot standby state to the hydrogen production state, the waste heat recovery system 130 recovers and stores the waste heat generated by the hydrogen production machine 110, the compressor assembly and the hydrogenation machine 120, the control system 150 controls the heating power of the electric heating system 140 and controls the heat supply amount of the waste heat recovery system 130, so that the temperature of the reactor is within a preset range to ensure that the temperature of the reactor is within an appropriate temperature range, and in addition, the control system 150 supplies the redundant heat in the waste heat recovery system 130 to the heating system of the working area in the hydrogenation station 30 for heat supply, thereby reducing the waste of heat, improving the utilization rate of the waste heat and reducing the energy consumption.

As shown in fig. 3, a hydrogen refueling station 30 according to an embodiment of the present application includes the waste heat recycling system 10 according to any one of the above embodiments.

The hydrogenation station 30 provided in the embodiment of the present application includes the waste heat recycling system 10 according to any of the above embodiments, so that the waste heat recycling system 10 according to any of the above embodiments has all the advantages, and will not be described herein again.

As shown in fig. 1 and fig. 2, the waste heat recycling system 10 according to the present embodiment includes a hydrogen generator 110, a first compressor 160, a second compressor 170, a first hydrogen storage tank 180, a second hydrogen storage tank 190, a hydrogenation unit 120, an electric heating system 140, a waste heat recycling system 130, and a control system 150. On the basis of keeping the original electric heating system 140, the waste heat recovery system 130 is arranged to recover and store the waste heat of the hydrogen production machine 110, the compressor, the hydrogenation machine 120 and other equipment, wherein one part of the recovered waste heat is used for heat preservation of the reactor after the hydrogen production machine 110 is shut down, and the other part of the recovered waste heat is used for supplying heat to a heating system of a working area in the station. The control system 150 is connected with the hydrogen production machine 110, the electric heating system 140 and the waste heat recovery system 130, and controls the heating power of the electric heating system 140 and the heat supply amount of the waste heat recovery system 130 by monitoring and analyzing the temperature of the reactor in the hydrogen production machine 110 in real time, so that the high-efficiency utilization of waste heat can be realized, the power consumption can be greatly reduced, and the energy consumption of the whole station can be reduced.

Specifically, the hydrogen production machine 110 is started, the electric heating system 140 heats the hydrogen production machine 110 to a temperature required by the reaction, the hydrogen production machine 110 starts producing hydrogen, the produced hydrogen enters the first compressor 160 for compression, and then enters the first hydrogen storage tank 180 from the first compressor 160. The second compressor 170 then draws hydrogen gas from the first hydrogen storage tank 180 and compresses it, and then enters the second hydrogen storage tank 190 from the second compressor 170. The second hydrogen storage tank 190 is connected to the hydrogenation unit 120, and outputs hydrogen gas from the hydrogenation unit 120 to the hydrogen powered vehicle. In the hydrogen production process, the waste heat recovery system 130 recovers and stores heat generated by the hydrogen production machine 110, the compressor, the hydrogenation machine 120 and other devices. The control system 150 controls the heating power of the electric heating system 140 and controls the heat supply amount of the waste heat recovery system 130, so as to ensure that the reactor temperature of the hydrogen production machine 110 is in a proper temperature range. In addition, the control system 150 supplies heat excess from the heat recovery system 130 to the heating system of the in-station work area.

When the hydrogen storage amount of the hydrogen storage tank reaches a certain amount, the hydrogen production machine 110 stops producing hydrogen, and the compressor is also in a standby state. The reactor temperature sensor 200 of the hydrogen production machine 110 is connected with a controller, the control system 150 controls the heating power of the electric heating system 140 and the heat supply amount of the waste heat recovery system 130 through detecting and analyzing the reactor temperature of the hydrogen production machine 110, and the hydrogen production machine 110 is insulated according to the suitable temperature range of the reactor in the hydrogen production machine 110. In addition, the control system 150 supplies heat excess from the heat recovery system 130 to the heating system of the in-station work area.

When the hydrogen amount in the hydrogen storage tank is consumed by the vehicle hydrogenation to a certain amount, the hydrogen production machine 110 can be quickly switched from the hot standby state to the hydrogen production state. At this time, the waste heat recovery system 130 recovers and stores the heat generated by the hydrogen production machine 110, the compressor, the hydrogenation machine 120 and other devices, and controls the heating power of the electric heating system 140 and the heat supply amount of the waste heat recovery system 130, so as to ensure that the temperature of the reactor in the hydrogen production machine 110 is in an appropriate temperature range. In addition, the control system 150 supplies heat excess from the heat recovery system 130 to the heating system of the in-station work area.

In summary, the embodiment has the following beneficial effects:

1. by arranging the waste heat recovery system 130, the heat of the hydrogen production plant 110, the compressor and other hydrogenation station equipment can be recovered, and the waste of heat is reduced. Meanwhile, the heat of the waste heat recovery system 130 is used for heat preservation of the hydrogen production machine 110 and heat supply of a heating system, so that the utilization efficiency of the waste heat can be effectively improved.

2. The heat of the waste heat recovery system 130 is used for heat preservation of the hydrogen production machine 110, so that the power consumption of the electric heating system 140 can be effectively reduced, and the energy consumption of the whole hydrogen station is reduced.

In embodiments according to the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the embodiments according to the present application can be understood by those of ordinary skill in the art as the case may be.

In the description of the embodiments according to the present application, it should be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments according to the present application and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments according to the present application.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are merely preferred embodiments according to the present application, and are not intended to limit the embodiments according to the present application, and those skilled in the art may make various modifications and variations to the embodiments according to the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments according to the present application shall be included in the protection scope of the embodiments according to the present application.