Hydrogen production system

Abstract

The utility model relates to a hydrogen production system, which comprises an auxiliary equipment box and a hydrogen production equipment box, the auxiliary equipment box is arranged underground, and the auxiliary equipment box is used for accommodating auxiliary equipment for the operation of hydrogen production equipment; the hydrogen production equipment box is arranged above the auxiliary equipment box and located above the ground, and the hydrogen production equipment box is used for containing hydrogen production equipment; wherein an explosion-proof wall is arranged between the auxiliary equipment box and the hydrogen production equipment box. Wherein the auxiliary equipment box is used for accommodating auxiliary equipment for normal operation of the hydrogen production equipment, the auxiliary equipment box is arranged underground, the hydrogen production equipment box is arranged above the auxiliary equipment box, and the equipment is more compactly placed in a stacking manner, so that the occupied area of the whole hydrogen production system can be reduced, and the space is saved; and the hydrogen production system is more applicable. The explosion-proof wall is arranged between the auxiliary equipment phase and the hydrogen production equipment phase, so that the safety performance of the whole hydrogen production process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen production, in particular to a hydrogen production system. Background Art

[0002] The basic working principle of water electrolysis hydrogen production equipment is to use electrical energy to decompose a specific electrolyte solution to obtain the required hydrogen. That is, a pair of electrodes are immersed in the electrolyte, and a diaphragm is separated between the electrodes to prevent gas penetration to form a water electrolysis cell. When direct current of a certain voltage passes through the electrodes, water decomposes, hydrogen is precipitated at the cathode, and oxygen is precipitated at the anode.

[0003] Water electrolysis hydrogen production equipment is mainly composed of electrolyzer, gas-liquid processor, purification device, auxiliary equipment (water tank, alkali tank, water pump), rectifier, rectifier transformer, control cabinet, power distribution cabinet, computer management system, etc. According to different hydrogen production types, it can generally be divided into: integrated equipment, container equipment, split equipment, skid equipment.

[0004] With the development of science and technology, modern industrial production and manufacturing technology have made great progress, the demand for hydrogen is increasing, and the requirements for the operation cycle and land occupation of hydrogen equipment are becoming higher and higher. Containerized hydrogen production equipment is increasingly favored by the market due to its high integration, small footprint, short installation cycle, and high mobility and flexibility.

[0005] However, as the size of hydrogen production equipment changes greatly, standard containers are difficult to meet the needs of large-scale integrated hydrogen production systems, and existing container-type hydrogen production equipment also has the defect of occupying a large space. Utility Model Content

[0006] Based on this, it is necessary to provide a hydrogen production system to address the technical problem that the hydrogen production system in the prior art occupies a large space.

[0007] A hydrogen production system, comprising:

[0008] An auxiliary equipment box is arranged below the ground, and is used to accommodate auxiliary equipment for the operation of the hydrogen production equipment;

[0009] A hydrogen production equipment box is arranged above the auxiliary equipment box and is located above the ground, and the hydrogen production equipment box is used to accommodate the hydrogen production equipment;

[0010] Wherein, an explosion-proof wall is arranged between the auxiliary equipment box and the hydrogen production equipment box.

[0011] In one of the embodiments, the hydrogen production equipment box includes a plurality of baffles spaced apart along the length direction of the hydrogen production equipment box, and a plurality of accommodating cavities are defined between the inner cavity wall of the hydrogen production equipment box and each of the baffles.

[0012] In one of the embodiments, the baffle is movably connected to the hydrogen production equipment box so that the spatial size of the accommodating cavity can be adjusted.

[0013] In one of the embodiments, the hydrogen production equipment includes a hydrogen production device, and the hydrogen production device is accommodated in one of the accommodating chambers.

[0014] In one embodiment, the hydrogen production equipment further comprises:

[0015] A purification device is disposed in the accommodating chamber adjacent to the accommodating chamber where the hydrogen production device is located, and the purification device is connected to the hydrogen production device to purify the hydrogen generated by the hydrogen production device;

[0016] A rectifier cabinet is arranged beside the hydrogen production equipment and away from the accommodating chamber of the purification equipment. The rectifier cabinet is electrically connected to the hydrogen production device.

[0017] In one embodiment, the auxiliary equipment box is configured with a plurality of accommodating chambers, and the auxiliary equipment box comprises:

[0018] a first chiller, disposed in one of the accommodating chambers and connected to the purification device to perform heat exchange with the purification device;

[0019] The raw water tank is arranged in the accommodating chamber adjacent to the first chiller and is connected to the hydrogen production equipment to provide raw materials for the hydrogen production equipment.

[0020] In one embodiment, the auxiliary equipment box further includes:

[0021] The second chiller is arranged in the accommodating cavity adjacent to the raw water tank and away from the first chiller. The second chiller is connected to the raw water tank and the rectifier cabinet to exchange heat with the raw water tank and the rectifier cabinet.

[0022] In one of the embodiments, a waterproof cover is provided on the top of the hydrogen production equipment box.

[0023] In one of the embodiments, a plurality of rain gutters are arranged at intervals on the waterproof cover plate to prevent water accumulation on the top of the hydrogen production equipment box.

[0024] In one of the embodiments, the hydrogen production equipment box is provided with doors and windows, and an exhaust fan is provided inside the hydrogen production equipment box to improve the air circulation efficiency inside the hydrogen production equipment box.

[0025] Beneficial effects of the utility model:

[0026] The utility model provides a hydrogen production system, wherein the auxiliary equipment box is used to accommodate auxiliary equipment for the normal operation of the hydrogen production equipment, the auxiliary equipment box is arranged below the ground, and the hydrogen production equipment box is arranged above the auxiliary equipment box. By stacking, the equipment is placed more compactly, which can reduce the floor space of the entire hydrogen production system to save space and make the hydrogen production system more applicable. By setting an explosion-proof wall between the auxiliary equipment phase and the hydrogen production equipment phase, the safety performance of the entire hydrogen production system is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] FIG1 is a front view of a hydrogen production system in one embodiment of the present utility model;

[0028] FIG. 2 is an internal structural diagram of a hydrogen production system according to one embodiment of the present invention.

[0029] Reference numerals:

[0030] Auxiliary equipment box 100; hydrogen production equipment box 200; door 210; window 220; waterproof cover 230; rain gutter 231; baffle 300; auxiliary equipment 400; first chiller 410; raw water tank 420; second chiller 430; hydrogen production equipment 500; hydrogen production device 510; purification equipment 520; rectifier cabinet 530; electrolytic cell 540; explosion-proof wall 600; exhaust fan 700. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0036] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0037] Referring to Figures 1 and 2, Figure 1 shows a front view of a hydrogen production system in an embodiment of the present invention, and Figure 2 shows an internal structure diagram of a hydrogen production system in an embodiment of the present invention. An embodiment of the present invention provides a hydrogen production system, which includes an auxiliary equipment box 100 and a hydrogen production equipment box 200. The auxiliary equipment box 100 is arranged below the ground, and the auxiliary equipment box 100 is used to accommodate auxiliary equipment 400 for the operation of the hydrogen production equipment 500; the hydrogen production equipment box 200 is arranged above the auxiliary equipment box 100 and is located above the ground, and the hydrogen production equipment box 200 is used to accommodate the hydrogen production equipment 500; wherein, an explosion-proof wall 600 is arranged between the auxiliary equipment box 100 and the hydrogen production equipment box 200.

[0038] The hydrogen production system provided by the technical solution, wherein the auxiliary equipment box 100 is used to accommodate the auxiliary equipment 400 for the normal operation of the hydrogen production equipment 500, the auxiliary equipment box 100 is arranged below the ground, and the hydrogen production equipment box 200 is arranged above the auxiliary equipment box 100, and the equipment is arranged more compactly by stacking, which can reduce the floor space of the entire hydrogen production system to save space and make the hydrogen production system more applicable. By setting an explosion-proof wall 600 between the auxiliary equipment 400 and the hydrogen production equipment 500, the safety performance of the entire hydrogen production is improved.

[0039] As shown in FIG. 1 and FIG. 2 , in one embodiment, the hydrogen production equipment box 200 includes a plurality of baffles 300 spaced apart along the length direction of the hydrogen production equipment box 200, and a plurality of accommodating chambers are defined between the inner cavity wall of the hydrogen production equipment box 200 and each baffle 300. By partitioning the inner cavity of the hydrogen production equipment box 200 with baffles 300, a plurality of accommodating chambers are formed to accommodate the hydrogen production equipment 500 and part of the auxiliary equipment 400 in the accommodating chambers. Such a configuration can improve the compactness of the equipment layout in the hydrogen production equipment box 200, thereby further saving the space occupied by the equipment.

[0040] As shown in FIG. 1 and FIG. 2 , in one embodiment, the baffle 300 is movably connected to the hydrogen production equipment box 200 so that the spatial size of the accommodating cavity can be adjusted. By movably connecting the baffle 300 to the hydrogen production equipment 500, the spatial size of the corresponding accommodating cavity can be adjusted, so that the corresponding accommodating cavity can adapt to equipment of different sizes, so as to further improve the compactness of the layout of the hydrogen production system. In addition, the baffle 300 and the hydrogen production equipment 500 are arranged in a form of movably connected, so that when installing the corresponding equipment in the hydrogen production system, the baffle 300 can be adjusted to increase the corresponding space for installation, thereby improving the installation efficiency.

[0041] As shown in Fig. 1 and Fig. 2, in one embodiment, the hydrogen production equipment 500 includes a hydrogen production device 510, and the hydrogen production device 510 is accommodated in one of the accommodating chambers. Specifically, two baffles 300 are arranged at intervals along the length direction of the hydrogen production equipment box 200. From the length direction of the hydrogen production equipment box 200, the two baffles 300 divide the hydrogen production equipment box 200 into three accommodating chambers, wherein the hydrogen production device 510 is arranged in the middle accommodating chamber, and the hydrogen production equipment 500 is used to prepare hydrogen.

[0042] As shown in Figures 1 and 2, in one embodiment, the hydrogen production equipment 500 also includes a purification device 520 and a rectifier cabinet 530. The purification device 520 is arranged in a housing cavity adjacent to the housing cavity where the hydrogen production device 510 is located. The purification device 520 is connected to the hydrogen production equipment 500 to purify the hydrogen generated by the hydrogen production device 510; the rectifier cabinet 530 is arranged in a housing cavity beside the hydrogen production equipment 500 and away from the purification device 520.

[0043] Among them, the purification equipment 520 is used to deoxygenate and dry the hydrogen produced by the hydrogen production device 510 to obtain hydrogen with higher purity. By arranging the purification equipment 520 in the housing chamber adjacent to the hydrogen production device 510, the layout of the entire hydrogen production device 500 is more compact and the pipeline is shorter. The rectifier cabinet 530 is arranged in the housing chamber on the side of the hydrogen production device 510 away from the purification equipment 520, which is conducive to the wiring of the wire connection between the rectifier cabinet 530 and other equipment. The rectifier cabinet 530 is used to convert alternating current into direct current.

[0044] As shown in Figures 1 and 2, in one embodiment, the auxiliary equipment box 100 is constructed with multiple accommodating chambers, and the auxiliary equipment box 100 includes a first chilled water machine 410 and a raw water tank 420. The first chilled water machine 410 is arranged in a accommodating chamber and is connected to the purification equipment 520 to exchange heat with the purification equipment 520; the raw water tank 420 is arranged in a accommodating chamber adjacent to the first chilled water machine 410, and is connected to the hydrogen production equipment 500 to provide raw materials for the hydrogen production equipment 500.

[0045] A plurality of baffles 300 or cavities may be arranged at intervals in the auxiliary equipment box 100 to divide the auxiliary equipment box 100 into a plurality of accommodating chambers. The first chilled water machine 410 is arranged in the accommodating chamber below the purification device 520 so as to be connected to the purification device 520. The first chilled water machine 410 provides chilled water for the heat dissipation pipeline in the purification device 520 to take away the heat in the purification device 520. The raw water tank 420 contains an alkaline electrolyte for preparing hydrogen, such as a sodium hydroxide solution. It should be noted that an electrolytic cell 540 is also arranged in the accommodating chamber where the hydrogen production device 510 is located, and the raw water tank 420 is connected to the electrolytic cell 540 so that the alkaline electrolyte in the raw water tank 420 flows into the electrolytic cell 540. When the ions in the electrolyte pass through the electrodes of the electrolytic cell 540, the hydrogen ions in the alkaline electrolyte are electrolyzed to form hydrogen.

[0046] As shown in FIG. 1 and FIG. 2 , in one embodiment, the auxiliary equipment box 100 further includes a second chilled water machine 430, which is disposed in a receiving cavity adjacent to the raw water tank 420 and away from the first chilled water machine 410, and is connected to the raw water tank 420 and the rectifier cabinet 530 to exchange heat with the raw water tank 420 and the rectifier cabinet 530. By providing the second chilled water machine 430 and connecting the second chilled water machine 430 to the raw water tank 420 and the rectifier cabinet 530, the chilled water in the second chilled water machine 430 circulates in the heat dissipation pipelines in the raw water tank 420 and the rectifier cabinet 530, thereby taking away the heat generated in the raw water tank 420 and the rectifier cabinet 530.

[0047] As shown in Figures 1 and 2, in one embodiment, a waterproof cover is provided on the top of the hydrogen production equipment box 200. Specifically, the waterproof cover is provided on the entire top surface of the hydrogen production equipment box 200, which can cover the top of the hydrogen production equipment box 200 to prevent foreign matter from entering the hydrogen production equipment box 200; on the other hand, it can prevent rainwater from entering the hydrogen production equipment box 200.

[0048] In one embodiment, a plurality of rainwater gutters 231 are arranged at intervals on the waterproof cover plate to prevent water from accumulating on the top of the hydrogen production equipment box 200. Specifically, a plurality of rainwater gutters 231 are arranged equidistantly on both sides of the waterproof cover plate along the length direction to facilitate the discharge of water accumulated on the top of the hydrogen production equipment 500.

[0049] In one embodiment, a door 210 and a window 220 are provided on the hydrogen production equipment box 200, and an exhaust fan 700 is provided inside the hydrogen production equipment box 200 to improve the circulation efficiency of the air inside the hydrogen production equipment box 200. Specifically, a door 210 and a window 220 are provided on the side of one side in the length direction of the hydrogen production equipment box 200, and an exhaust fan 700 is installed in the middle of the top of the hydrogen production container to facilitate air circulation in the container.

[0050] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0051] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A hydrogen production system, characterized in that: The hydrogen production system comprises: An auxiliary equipment box is arranged below the ground, and is used to accommodate auxiliary equipment for the operation of the hydrogen production equipment; A hydrogen production equipment box is arranged above the auxiliary equipment box and is located above the ground, and the hydrogen production equipment box is used to accommodate the hydrogen production equipment; Wherein, an explosion-proof wall is arranged between the auxiliary equipment box and the hydrogen production equipment box.

2. The hydrogen production system according to claim 1, characterized in that: The hydrogen production equipment box comprises a plurality of baffles spaced apart along the length direction of the hydrogen production equipment box, and a plurality of accommodating cavities are defined between the inner cavity wall of the hydrogen production equipment box and the baffles.

3. The hydrogen production system according to claim 2, characterized in that: The baffle is movably connected to the hydrogen production equipment box so that the spatial size of the accommodating cavity can be adjusted.

4. The hydrogen production system according to claim 2, characterized in that: The hydrogen production equipment comprises a hydrogen production device, and the hydrogen production device is accommodated in one of the accommodating chambers.

5. The hydrogen production system according to claim 4, characterized in that: The hydrogen production equipment also includes: A purification device is disposed in the accommodating chamber adjacent to the accommodating chamber where the hydrogen production device is located, and the purification device is connected to the hydrogen production device to purify the hydrogen generated by the hydrogen production device; A rectifier cabinet is arranged beside the hydrogen production equipment and away from the accommodating chamber of the purification equipment. The rectifier cabinet is electrically connected to the hydrogen production device.

6. The hydrogen production system according to claim 5, characterized in that: The auxiliary equipment box is configured with a plurality of accommodating chambers, and the auxiliary equipment box comprises: a first chiller, disposed in one of the accommodating chambers and connected to the purification device to perform heat exchange with the purification device; The raw water tank is arranged in the accommodating chamber adjacent to the first chiller and is connected to the hydrogen production equipment to provide raw materials for the hydrogen production equipment.

7. The hydrogen production system according to claim 6, characterized in that: The auxiliary equipment box also includes: The second chiller is arranged in the accommodating cavity adjacent to the raw water tank and away from the first chiller. The second chiller is connected to the raw water tank and the rectifier cabinet to exchange heat with the raw water tank and the rectifier cabinet.

8. The hydrogen production system according to claim 1, characterized in that: A waterproof cover is provided on the top of the hydrogen production equipment box.

9. The hydrogen production system according to claim 8, characterized in that: A plurality of rainwater gutters are arranged at intervals on the waterproof cover plate to prevent water from accumulating on the top of the hydrogen production equipment box.

10. The hydrogen production system according to any one of claims 1 to 9, characterized in that: The hydrogen production equipment box is provided with doors and windows, and an exhaust fan is provided inside the hydrogen production equipment box to improve the circulation efficiency of the air inside the hydrogen production equipment box.

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