Water and electricity co-production device and system applied to water-deficient area and capable of sustainable and stable operation

By combining hydrogen fuel cell stacks and adsorption equipment, a continuous heat source is provided, solving the problem of unsustainable water access in water-scarce areas. This enables stable water intake around the clock and zero-carbon emission electricity generation, promoting the replacement of traditional energy sources with clean energy.

CN119083537BActive Publication Date: 2026-01-09HARBIN INST OF TECH
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Patent Information

Application Number
CN202411321676.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2026-01-09
Estimated Expiration
2044-09-23

AI Technical Summary

Technical Problem

In existing technologies, using solar energy as a heat source to power the desorption of adsorption equipment leads to unsustainable water acquisition, and the problem of intermittent water intake has not been fundamentally solved.

Method used

By combining hydrogen fuel cell stacks and adsorption equipment, the hydrogen fuel cell stacks provide a continuous heat source, forming a primary power generation unit, enabling continuous water intake throughout the day, and controlling the flow of liquid through valves to ensure stable system operation.

Benefits of technology

It has enabled sustainable and stable water access in water-scarce areas, and electricity generation is a zero-carbon emission pathway, promoting the replacement of traditional fossil fuels with clean energy, solving water source problems and supporting the dual-carbon strategy and energy conservation and emission reduction.

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Abstract

The application relates to the technical field of water and electricity cogeneration equipment, in particular to a water and electricity cogeneration device and system which can be used in water-deficient areas and can work stably and sustainably. The device comprises a water collector, a first adsorption equipment, a condensation equipment, a second adsorption equipment, a first water tank, a second water tank and a hydrogen fuel cell group; the water collector is connected with the condensation equipment; the condensation equipment is connected with the first adsorption equipment and the second adsorption equipment respectively; the first adsorption equipment is connected with the first water tank and the second water tank; the second water tank is connected with the hydrogen fuel cell group; and the second adsorption equipment is connected with the first water tank and the second water tank. The hydrogen fuel cell group, the first adsorption equipment and the second adsorption equipment are organically combined; the hydrogen fuel cell group forms a first power generation group and serves as a heat source of the adsorption equipment; and the hydrogen fuel cell group provides a continuous heat source, so that the device can realize alternate and continuous water taking throughout the day.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water and electricity cogeneration equipment, in particular to a water and electricity cogeneration device and system capable of sustainable and stable operation in water-deficient areas. BACKGROUND

[0002] Although the traditional adsorption water taking has the characteristics of environmental friendliness and energy saving, it is greatly affected by heat sources when in use, which limits its application scenarios.

[0003] At present, the method for solving the above problems in the prior art is mainly to use solar energy as a heat source for desorption of the adsorption equipment, although the heat source of solar energy is relatively stable, but this makes the water acquisition unsustainable, and the intermittent water taking does not fundamentally solve the problem. Therefore, in order to continuously obtain water source, there must be a continuous heat source for desorption of the adsorption equipment, and currently there is little research in this regard. SUMMARY

[0004] Therefore, the technical problem to be solved by the present application is to overcome the problem in the prior art that the use of solar energy as a heat source for desorption of the adsorption equipment, although the heat source of solar energy is relatively stable, but this makes the water acquisition unsustainable, and the intermittent water taking does not fundamentally solve the problem, thereby providing a water and electricity cogeneration device and system capable of sustainable and stable operation in water-deficient areas.

[0005] In order to solve the above technical problems, the present application provides a water and electricity cogeneration device capable of sustainable and stable operation in water-deficient areas, comprising: a water collector, a first adsorption equipment, a condensation equipment, a second adsorption equipment, a first water tank, a second water tank, and a hydrogen fuel cell group; the water collector is connected with the condensation equipment, the condensation equipment is connected with the first adsorption equipment and the second adsorption equipment respectively, the first adsorption equipment is connected with the first water tank and the second water tank, the second water tank is connected with the hydrogen fuel cell group, and the second adsorption equipment is connected with the first water tank and the second water tank.

[0006] Further, a first conveying equipment and a first on-off structure are arranged on the connecting pipeline between the first adsorption equipment and the first water tank.

[0007] Further, a second conveying equipment and a second on-off structure are arranged on the connecting pipeline between the second adsorption equipment and the first water tank.

[0008] Further, a third conveying equipment and a third on-off structure are arranged on the connecting pipeline between the first adsorption equipment and the second water tank.

[0009] Further, a fourth conveying equipment and a fourth on-off structure are arranged on the connecting pipeline between the second water tank and the second adsorption equipment.

[0010] Further, a fifth conveying device and a fifth on-off structure are arranged on the connecting pipeline between the second water tank and the hydrogen fuel cell group.

[0011] Further, the first conveying device and the second conveying device, the third conveying device, the fourth conveying device and the fifth conveying device are all water pumps.

[0012] Further, the first on-off structure and the second on-off structure, the third on-off structure, the fourth on-off structure and the fifth on-off structure are all valves.

[0013] Further, the condensing device is a condenser.

[0014] The application also provides a water-electricity co-production system capable of sustainable and stable operation in a water-deficient area.

[0015] The technical scheme of the application has the following advantages:

[0016] 1. The water-electricity co-production device capable of sustainable and stable operation in a water-deficient area provided by the application comprises a water collector, a first adsorption device, a condensing device, a second adsorption device, a first water tank, a second water tank and a hydrogen fuel cell group.

[0017] The hydrogen fuel cell group, the first adsorption device and the second adsorption device are organically combined, the hydrogen fuel cell group forms a primary power generation group and serves as a heat source of the adsorption device, the hydrogen fuel cell group provides a continuous heat source, so that the device can realize alternating and continuous water collection throughout the day. The problem of non-continuity and instability of the heat source of the traditional adsorption device unit in a water-deficient area is solved, and the electric energy output of the system is all from a zero-carbon emission path. This accelerates the process of replacing the traditional fossil energy system with a clean energy system, solves the water source problem in a water-deficient area, and also provides a strong foundation for promoting the double-carbon strategy and energy saving and emission reduction.

[0018] 2. The water-electricity co-production device capable of sustainable and stable operation in a water-deficient area provided by the application, wherein the first on-off structure and the second on-off structure, the third on-off structure, the fourth on-off structure and the fifth on-off structure are all valves. The arrangement of the valves can ensure the circulation of the liquid in the connecting pipeline, and when the liquid needs to pass through, the on-off structure is opened, so as to facilitate the circulation of the liquid, and when the liquid does not need to pass through, the on-off structure is closed, so as to avoid the circulation of the liquid.

[0019] The following presents a summary of the disclosure in order to provide a basic understanding of some aspects of the disclosure. This summary is not an extensive overview of the disclosure. It is not intended to identify key / critical elements of the disclosure or to delineate the scope of the disclosure. Its sole purpose is to present some concepts of the disclosure in a simplified form as a prelude to the more detailed description that is presented later. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the specific embodiments or prior art in the present disclosure, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present disclosure, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0021] Figure 1 The working principle diagram of the water-electricity cogeneration device for sustainable and stable operation in water-deficient areas provided by the present disclosure.

[0022] Explanation of reference signs:

[0023] 1, water collector; 2, first adsorption device; 3, condensation device; 4, second adsorption device; 5, first water tank; 6, second water tank; 7, hydrogen fuel cell group; 8, first conveying device; 9, second conveying device; 10, third conveying device; 11, fourth conveying device; 12, fifth conveying device; 13, first on-off structure; 14, second on-off structure; 15, third on-off structure; 16, fourth on-off structure; 17, fifth on-off structure. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present disclosure. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0025] In the description of the disclosure, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the disclosure. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the disclosure, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0026] In the description of the disclosure, it needs to be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the disclosure can be understood according to the specific circumstances.

[0027] In the disclosure, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] The disclosure below provides many different embodiments or examples for implementing different structures of the disclosure. For simplicity of the disclosure, the components and settings of certain examples are described below. Of course, they are merely examples and are not intended to limit the disclosure. Moreover, the disclosure can repeatedly refer to reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not indicate a relationship between the various embodiments and / or settings discussed. In addition, the disclosure provides examples of various specific processes and materials, but those of ordinary skill in the art can realize the application of other processes and / or the use of other materials.

[0029] The preferred embodiments of the disclosure are described below in conjunction with the accompanying drawings, it should be understood that the preferred embodiments described herein are only for illustration and explanation of the disclosure, and are not intended to limit the disclosure. The preferred embodiments of the disclosure are described below in conjunction with the accompanying drawings, it should be understood that the preferred embodiments described herein are only for illustration and explanation of the disclosure, and are not intended to limit the disclosure.

[0030] Please refer to Figure 1 As shown in the drawings, the present application provides a water-electricity cogeneration device for sustainable and stable operation in water-deficient areas, comprising: a water collector 1, a first adsorption device 2, a condensing device 3, a second adsorption device 4, a first water tank 5, a second water tank 6, and a hydrogen fuel cell group 7; the water collector 1 is connected with the condensing device 3, the condensing device 3 is connected with the first adsorption device 2 and the second adsorption device 4 respectively, the first adsorption device 2 is connected with the first water tank 5 and the second water tank 6, the second water tank 6 is connected with the hydrogen fuel cell group 7, and the second adsorption device 4 is connected with the first water tank 5 and the second water tank 6.

[0031] The hydrogen fuel cell group 7 is organically combined with the first adsorption device 2 and the second adsorption device 4, the hydrogen fuel cell group 7 forms a primary power generation group and serves as a heat source for the adsorption device, the hydrogen fuel cell group 7 provides a continuous heat source, so that the device can realize alternating and continuous water collection throughout the day. The problem of non-continuity and instability of heat source during operation of the traditional adsorption device unit in water-deficient areas is solved, and the electric energy output of the system comes from zero-carbon emission. This accelerates the process of replacing traditional fossil energy with clean energy system, solves the water source problem in water-deficient areas, and also provides a strong foundation for promoting the double-carbon strategy and energy saving and emission reduction.

[0032] The first conveying device 8 and the first on-off structure 13 are arranged on the connecting pipeline between the first adsorption device 2 and the first water tank 5. The second conveying device 9 and the second on-off structure 14 are arranged on the connecting pipeline between the second adsorption device 4 and the first water tank 5. The third conveying device 10 and the third on-off structure 15 are arranged on the connecting pipeline between the first adsorption device 2 and the second water tank 6. The fourth conveying device 11 and the fourth on-off structure 16 are arranged on the connecting pipeline between the second water tank 6 and the second adsorption device 4. The fifth conveying device 12 and the fifth on-off structure 17 are arranged on the connecting pipeline between the second water tank 6 and the hydrogen fuel cell group 7.

[0033] The first conveying device 8, the second conveying device 9, the third conveying device 10, the fourth conveying device 11 and the fifth conveying device 12 are arranged, so that the conveying of the liquid in the water tank is facilitated, and the conveying efficiency is increased.

[0034] In the embodiment, the first conveying device 8, the second conveying device 9, the third conveying device 10, the fourth conveying device 11 and the fifth conveying device 12 are all water pumps.

[0035] Specifically, the first on-off structure 13, the second on-off structure 14, the third on-off structure 15, the fourth on-off structure 16 and the fifth on-off structure 17 are all valves. The arrangement of the valves can ensure the flow of the liquid in the connecting pipeline. When the liquid needs to pass through, the on-off structure is opened, so that the flow of the liquid is facilitated. When the liquid does not need to pass through, the on-off structure is closed, so that the flow of the liquid is avoided.

[0036] In the embodiment, the condensing device 3 is a condenser.

[0037] The second water tank 6 is connected with the third on-off structure 15, the third conveying device 10 and the first adsorption device 2 in sequence on one side, and forms a first desorption unit. The second water tank 6 is connected with the hydrogen fuel cell group 7, the fifth on-off structure 17 and the fifth conveying device 12 in sequence on the other side, and forms a high-temperature heat source unit.

[0038] The second water tank 6 is connected with the fourth on-off structure 16, the fourth conveying device 11 and the second adsorption device 4 in sequence on one side, and forms a second desorption unit. The second water tank 6 is connected with the hydrogen fuel cell group 7, the fifth on-off structure 17 and the fifth conveying device 12 in sequence on the other side, and forms a high-temperature heat source unit.

[0039] The first water tank 5 is connected with the first on-off structure 13, the first conveying device 8 and the first adsorption device 2 in sequence, and forms a first adsorption unit.

[0040] The first water tank 5 is connected with the second on-off structure 14, the second conveying device 9 and the second adsorption device 4 in sequence, and forms a second adsorption unit.

[0041] In the embodiment, the fifth switch structure 17 is opened, and the water in the second water tank 6 is driven by the fifth conveying device 12 to enter the hydrogen fuel cell group 7 to absorb the heat and be heated.

[0042] In the embodiment, the first adsorption device 2 absorbs the water vapor in the air, and when the first adsorption device 2 is fully adsorbed, the third switch structure 15 is opened, and the heated water in the second water tank 6 is driven by the third conveying device 10 to enter the first adsorption device 2 to release the heat, so that the first adsorption device 2 is desorbed, the released water vapor enters the condensing device 3 to be condensed, and finally becomes liquid water to return to the water collector 1, completing a water taking cycle. Similarly, for the desorption of the second adsorption device 4, the fourth switch structure 16 is opened, and the fourth conveying device 11 is driven.

[0043] In the embodiment, when the first adsorption device 2 is desorbed, the first switch structure 13 is opened, and the normal temperature water in the first water tank 5 is driven by the first conveying device 8 to enter the first adsorption device 2 to cool it, so that it has the adsorption ability again, and when the cooling is completed, the adsorption is continued, and so on. Similarly, for the cooling of the second adsorption device 4, the second switch structure 14 is opened, and the second conveying device 9 is driven.

[0044] In the embodiment, when the first adsorption device 2 is adsorbed, the second adsorption device 4 is desorbed, and the two are alternately performed.

[0045] The application further provides a water-electricity co-production system capable of sustainable and stable operation in a water shortage area, comprising a water-electricity co-production device capable of sustainable and stable operation in a water shortage area.

[0046] Obviously, the above embodiment is only an example for clearly illustrating, and is not a limitation to the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not enumerated, and the changes or variations derived from the above are still within the protection scope of the application.

Claims

1. A combined heat and power device for sustainable and stable operation in water-scarce regions, characterized in that It comprises: a water collector (1), a first adsorption device (2), a condensing device (3), a second adsorption device (4), a first water tank (5), a second water tank (6), a hydrogen fuel cell group (7); the water collector (1) is connected with the condensing device (3), the condensing device (3) is connected with the first adsorption device (2) and the second adsorption device (4) respectively, the first adsorption device (2) is connected with the first water tank (5) and the second water tank (6), the second water tank (6) is connected with the hydrogen fuel cell group (7), and the second adsorption device (4) is connected with the first water tank (5) and the second water tank (6); a first conveying device (8) and a first on-off structure (13) are arranged on the connecting pipeline between the first adsorption device (2) and the first water tank (5); a second conveying device (9) and a second on-off structure (14) are arranged on the connecting pipeline between the second adsorption device (4) and the first water tank (5); a third conveying device (10) and a third on-off structure (15) are arranged on the connecting pipeline between the first adsorption device (2) and the second water tank (6); a fourth conveying device (11) and a fourth on-off structure (16) are arranged on the connecting pipeline between the second water tank (6) and the second adsorption device (4); a fifth conveying device (12) and a fifth on-off structure (17) are arranged on the connecting pipeline between the second water tank (6) and the hydrogen fuel cell group (7); the first conveying device (8), the second conveying device (9), the third conveying device (10), the fourth conveying device (11) and the fifth conveying device (12) are all water pumps; the first on-off structure (13), the second on-off structure (14), the third on-off structure (15), the fourth on-off structure (16) and the fifth on-off structure (17) are all valves.

2. The combined heat and power plant for sustainable and stable operation in water scarce regions according to claim 1, characterized in that, The condensing device (3) is a condenser.

3. A combined heat and power system for sustainable and stable operation in water scarce areas, characterized in that, The water-electricity cogeneration device for sustainable and stable operation in water-deficient areas. The water-electricity cogeneration device for sustainable and stable operation in water-deficient areas.

Citation Information

Patent Citations

  • Water taking device, irrigation system and control method

    CN117822692A

  • Method and device for obtaining water from air

    WO2020074344A1