Marine hydrogen, ammonia and alcohol production system

Abstract

The utility model relates to the technical field of new energy ocean engineering, and particularly discloses an offshore hydrogen, ammonia and alcohol production system, a plurality of floating bodies float on the sea surface, the plurality of floating bodies are arranged in an array mode, m rows are arranged in the transverse direction, n columns are arranged in the longitudinal direction, m and n are integers larger than 1, a power generation unit comprises a plurality of power generation devices, and the power generation devices are arranged in the array mode. The multiple power generation devices and the multiple floating bodies are arranged in a one-to-one correspondence mode, the power generation devices are arranged on the floating bodies and can generate electric energy, the main floating platform floats on the sea surface, and the hydrogen production unit is arranged on the main floating platform and used for electrolyzing seawater through the electric energy generated by the power generation units to prepare hydrogen. By means of the arrangement, the offshore large-scale hydrogen production integrated platform is provided, the integrated platform can be towed to the designated working place on the sea to work for a long time, offshore resources can be better utilized, the land building space can be further saved, the ecological environment nearby the land is prevented from being damaged, and safety and environmental protection performance are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy ocean engineering technical field especially relates to a sea hydrogen production ammonia production alcohol system. BACKGROUND

[0002] At present, with the development of hydrogen fuel cell technology, the possibility of using hydrogen as a popular fuel is more and more big. Hydrogen as a kind of pollution-free environmental protection type fuel, not only can be used as industrial energy, also can enter every household as household fuel, and its manufacture and storage have broad prospects. But the flammability and explosiveness of hydrogen make it have great risk to build large-scale hydrogen production and storage base on land.

[0003] Therefore, an offshore hydrogen production ammonia production alcohol system is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of sea hydrogen production ammonia production alcohol system to solve the problem that the security risk of large-scale hydrogen production and storage base on land is greater.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a kind of sea hydrogen production ammonia production alcohol system, comprising:

[0007] Floating unit, the floating unit includes multiple floaters, multiple the floater is all floated on sea surface, and multiple the floater array arrangement is set with m row along transverse direction, set with n column along longitudinal direction, and m and n are all integers greater than 1;

[0008] Power generation unit, the power generation unit includes multiple power generation devices, multiple the power generation device is set one by one with multiple the floater, the power generation device is set on the floater and can generate electric energy;

[0009] Main pontoon, the main pontoon is floated on the sea surface;

[0010] Hydrogen production unit, the hydrogen production unit is set on the main pontoon, the hydrogen production unit is used to prepare hydrogen by electrolyzing seawater with the electric energy generated by the power generation unit.

[0011] As a preferred technical scheme of the above sea hydrogen production ammonia production alcohol system, the sea hydrogen production ammonia production alcohol system further includes seawater desalination unit, the outlet end of the seawater desalination unit is connected to the hydrogen production unit, and the hydrogen production unit is used to prepare hydrogen by electrolyzing fresh water.

[0012] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the offshore hydrogen production, ammonia production and alcohol production system further comprises an ammonia production unit and an alcohol production unit, the hydrogen production unit is capable of supplying hydrogen to the ammonia production unit and the alcohol production unit, the ammonia production unit is used for preparing ammonia by using hydrogen, and the alcohol production unit is used for preparing alcohol by using hydrogen.

[0013] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the hydrogen production unit comprises a first electrolysis device, the first electrolysis device has a first inlet end and a first outlet end, the first inlet end is connected to the seawater desalination unit, and the first outlet end is connected to the ammonia production unit.

[0014] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the hydrogen production unit further comprises a second electrolysis device, the second electrolysis device has a second inlet end and a second outlet end, the second inlet end is connected to the seawater desalination unit, and the second outlet end is connected to the alcohol production unit.

[0015] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the hydrogen production unit further comprises a hydrogen storage device, a first conveying pipeline and a second conveying pipeline, the first conveying pipeline is connected between the first outlet end and the hydrogen storage device, and the second conveying pipeline is connected between the second outlet end and the hydrogen storage device.

[0016] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the ammonia production unit comprises a first collecting device and a first reaction device, the first collecting device is used for collecting ammonia in air and hydrogen prepared by the hydrogen production unit, and the first reaction device is used for preparing ammonia by using the hydrogen and the ammonia.

[0017] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the alcohol production unit comprises a second collecting device and a second reaction device, the second collecting device is used for collecting carbon dioxide in air and hydrogen prepared by the hydrogen production unit, and the second reaction device is used for preparing alcohol by using the hydrogen and the carbon dioxide.

[0018] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the offshore hydrogen production, ammonia production and alcohol production system further comprises an energy storage unit, the energy storage unit is arranged on the main floating platform, and the energy storage unit is used for storing electric energy generated by the power generation unit.

[0019] As an optimal technical scheme of the offshore hydrogen production, ammonia production and alcohol production system, the power generation device adopts photovoltaic power generation or wind power generation.

[0020] The offshore hydrogen production, ammonia production and alcohol production system has the following beneficial effects:

[0021] The utility model provides a kind of offshore hydrogen production ammonia production alcohol system, this offshore hydrogen production ammonia production alcohol system includes: floating unit, power generation unit, main pontoon and hydrogen production unit, floating unit includes multiple float, multiple float are all floated on sea surface, and multiple float array arrangement is set with m row along transverse direction, set with n column along longitudinal direction, and m and n are all integer greater than 1, power generation unit includes multiple power generation device, multiple power generation device and multiple float one-to-one arrangement, power generation device is set on float and can generate electric energy, main pontoon is floated on sea surface, hydrogen production unit is set on main pontoon, hydrogen production unit is used to utilize the electric energy electrolysis seawater preparation hydrogen produced by power generation unit.Such setting, provide a large-scale offshore hydrogen production integrated platform, the integrated platform can be towed to the designated work place on sea and work for a long time, it can better utilize offshore resources, and can further save land construction space, avoid destroying the ecological environment near land, effectively improve safety and environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The offshore hydrogen production ammonia production alcohol system provided by the utility model is provided with a flowchart. DETAILED DESCRIPTION

[0023] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0024] In the description of the utility model, it should be explained that the orientation or position relationship indicated by terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0025] Unless otherwise defined, the terms "mounting", "connected", "connection", "fixed", "fixing" are to be construed broadly in accordance with ordinary levels of skill in the art, for example, can be fixed connection, can also be detachable connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements. The specific meaning of the above terms in the utility model can be understood according to the specific circumstances by those skilled in the art.

[0026] Unless otherwise defined, "on" or "under" of the first feature to the second feature can include that the first feature and the second feature are in direct contact, or the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "above" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. "Below", "under" and "under" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is less than the second feature in horizontal height.

[0027] The technical scheme of the utility model is further illustrated below by specific embodiments in combination with the drawings.

[0028] As shown in Figure 1 The embodiment provides a sea hydrogen production, ammonia production and alcohol production system, which comprises a floating unit, a power generation unit, a main floating platform and a hydrogen production unit. The floating unit comprises a plurality of floating bodies, the plurality of floating bodies are all floated on the sea surface, and the plurality of floating bodies are arranged in an array, are provided with m rows in the transverse direction, are provided with n columns in the longitudinal direction, and m and n are both integers greater than 1. The power generation unit comprises a plurality of power generation devices, the plurality of power generation devices are arranged in one-to-one correspondence with the plurality of floating bodies, the power generation devices are arranged on the floating bodies and can generate electric energy. The main floating platform is floated on the sea surface, the power generation unit is provided with a containing space, the main floating platform is arranged in the containing space, and the hydrogen production unit is arranged on the main floating platform. The hydrogen production unit is used for preparing hydrogen by electrolyzing seawater using the electric energy generated by the power generation unit. In this way, a large-scale sea hydrogen production integrated platform is provided, the integrated platform can be towed to a designated work site on the sea for long-time work, the sea resources can be better utilized, the land construction space can be further saved, the ecological environment near the land can be avoided from being damaged, and the safety and environmental protection are effectively improved.

[0029] Optionally, the power generation device adopts photovoltaic power generation or wind power generation. Further, in the embodiment, the power generation device adopts photovoltaic power generation.

[0030] In the embodiment, the offshore hydrogen production, ammonia production and alcohol production system further comprises an energy storage unit, which is arranged on the main floating platform and is used to store the electric energy generated by the power generation unit. In this way, because photovoltaic power generation is adopted, the electrolytic hydrogen production work can be directly completed by using the electric energy generated by the plurality of power generation devices when the sunlight is sufficient during the day, but the energy storage unit can be started to complete the electrolytic hydrogen production work by using the stored electric energy when the sunlight is insufficient at night.

[0031] Optionally, the offshore hydrogen production, ammonia production and alcohol production system further comprises a seawater desalination unit, an outlet end of the seawater desalination unit is connected to the hydrogen production unit, and the hydrogen production unit is used to produce hydrogen by electrolyzing fresh water. It should be noted that two hydrogen production methods are given in the embodiment. One is to directly electrolyze seawater to produce hydrogen by generating electric energy by the power generation unit. The other is to first produce fresh water by treating seawater by the seawater desalination unit, and then produce hydrogen by electrolyzing the fresh water.

[0032] Optionally, the offshore hydrogen production, ammonia production and alcohol production system further comprises an ammonia production unit, an alcohol production unit and a controller, the hydrogen production unit is capable of supplying hydrogen to the ammonia production unit and the alcohol production unit, the ammonia production unit is used to produce ammonia by using hydrogen, the alcohol production unit is used to produce alcohol by using hydrogen, and the controller is communicatively connected to the power generation unit, the hydrogen production unit, the ammonia production unit, the alcohol production unit and the energy storage unit to control the start or shutdown thereof.

[0033] Specifically, the following scheme is exemplarily given in the embodiment: the hydrogen production unit comprises a first electrolysis device and a second electrolysis device, the first electrolysis device has a first inlet end and a first outlet end, the first inlet end is connected to the seawater desalination unit, and the first outlet end is connected to the ammonia production unit, the second electrolysis device has a second inlet end and a second outlet end, the second inlet end is connected to the seawater desalination unit, and the second outlet end is connected to the alcohol production unit. In this way, hydrogen can be produced by electrolyzing fresh water in the first electrolysis device and the second electrolysis device respectively, and the hydrogen can be timely delivered to the ammonia production unit and the alcohol production unit through the first outlet end and the second outlet end respectively.

[0034] Further, in order to better store the produced hydrogen for subsequent use, the hydrogen production unit further comprises a hydrogen storage device, a first delivery pipeline and a second delivery pipeline, the first delivery pipeline is connected between the first outlet end and the hydrogen storage device, and the second delivery pipeline is connected between the second outlet end and the hydrogen storage device.

[0035] Optionally, the ammonia production unit comprises a first collection device and a first reaction device, the first collection device is used to collect ammonia in the air and hydrogen produced by the hydrogen production unit, and the first reaction device is used to produce ammonia by using hydrogen and ammonia.

[0036] Optionally, the alcohol production unit comprises a second collecting device for collecting carbon dioxide in the air and hydrogen produced by the hydrogen production unit, and a second reaction device for producing alcohol by using hydrogen and carbon dioxide.

[0037] Obviously, the above embodiments of the present application are merely exemplary and are not intended to limit the embodiments of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A system for producing hydrogen, ammonia, and alcohol at sea, characterized by, The system comprises: a floating unit comprising a plurality of floating bodies, each of which floats on the sea surface, and the plurality of floating bodies are arranged in an array, with m rows in the transverse direction and n columns in the longitudinal direction, and m and n are both integers greater than 1; a power generation unit comprising a plurality of power generation devices, each of which corresponds to one of the floating bodies, and is arranged on the floating body and capable of generating electric energy; a main floating platform floating on the sea surface; a hydrogen production unit arranged on the main floating platform, which is used to produce hydrogen by electrolyzing seawater using the electric energy generated by the power generation unit.

2. The offshore hydrogen ammonia alcohol system of claim 1, wherein, The system further comprises a seawater desalination unit, the outlet end of which is connected to the hydrogen production unit, and the hydrogen production unit is used to produce hydrogen by electrolyzing fresh water.

3. The offshore hydrogen ammonia alcohol system of claim 2, wherein, The system further comprises an ammonia production unit and an alcohol production unit, the hydrogen production unit is capable of supplying hydrogen to the ammonia production unit and the alcohol production unit, the ammonia production unit is used to produce ammonia using hydrogen, and the alcohol production unit is used to produce alcohol using hydrogen.

4. The offshore hydrogen ammonia alcohol system of claim 3, wherein, The hydrogen production unit comprises a first electrolysis device having a first inlet end and a first outlet end, the first inlet end is connected to the seawater desalination unit, and the first outlet end is connected to the ammonia production unit.

5. The offshore hydrogen ammonia alcohol system of claim 4, wherein, The hydrogen production unit further comprises a second electrolysis device having a second inlet end and a second outlet end, the second inlet end is connected to the seawater desalination unit, and the second outlet end is connected to the alcohol production unit.

6. The offshore hydrogen ammonia alcohol system of claim 5, wherein, The hydrogen production unit further comprises a hydrogen storage device, a first delivery pipeline connected between the first outlet end and the hydrogen storage device, and a second delivery pipeline connected between the second outlet end and the hydrogen storage device.

7. The offshore hydrogen ammonia alcohol system of claim 3, wherein, The ammonia production unit comprises a first collection device for collecting ammonia in the air and hydrogen produced by the hydrogen production unit, and a first reaction device for producing ammonia using the hydrogen and the ammonia.

8. The offshore hydrogen ammonia alcohol system of claim 3, wherein, The alcohol production unit comprises a second collection device for collecting carbon dioxide in the air and hydrogen produced by the hydrogen production unit, and a second reaction device for producing alcohol using the hydrogen and the carbon dioxide.

9. Offshore hydrogen, ammonia and alcohol production system according to any of the claims 1-8, characterized in that, The system further comprises an energy storage unit arranged on the main floating platform, and the energy storage unit is used to store the electric energy generated by the power generation unit.

10. Offshore hydrogen ammonia alcohol production system according to any of the claims 1-8, characterized in that, The power generation device adopts photovoltaic power generation or wind power generation.

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