Water-cooling radiator assembly for producing hydrogen by electrolyzing water at sea

By using corrosion-resistant materials and a stable seawater cold source in the water electrolysis hydrogen production system at sea, the corrosion and temperature difference problems of heat exchangers in the marine environment have been solved, achieving low energy consumption and high efficiency in heat exchange, and simplifying the maintenance process.

CN224148195UActive Publication Date: 2026-04-21ANHUI RUIGE NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI RUIGE NEW ENERGY TECH CO LTD
Filing Date
2025-04-27
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In existing water electrolysis hydrogen production systems, heat exchangers suffer from corrosion and maintenance difficulties in marine environments. In particular, the corrosiveness of seawater and its wide temperature range lead to high energy consumption and affect system efficiency.

Method used

Design a water-cooled radiator assembly for hydrogen production by water electrolysis at sea. Use corrosion-resistant materials such as titanium to manufacture the heat exchange coils. Utilize seawater as a stable temperature cold source and exchange heat through desalinated water flow. Set gaps to reduce ocean current impact and simplify maintenance.

Benefits of technology

It significantly reduces system power consumption, improves the heat exchange efficiency and system efficiency of offshore water electrolysis hydrogen production equipment, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of heat exchangers, and discloses a water-cooling radiator assembly for producing hydrogen by electrolyzing water at sea. Comprising a radiator outer frame, limiting lugs are arranged on the front side face of the radiator outer frame, hanging ring holes are formed in the four edges of the top of the radiator, a plurality of heat exchange coils which are arranged in parallel and are bent from top to bottom are arranged in the radiator outer frame, and the ends, located on the top, of the heat exchange coils penetrate through the top of the radiator outer frame to form water outlets. The bottom end of the heat exchange coil directly penetrates through the top of the radiator outer frame to form a water inlet. The system can provide heat exchange and refrigeration for offshore water electrolysis hydrogen production equipment, saves system power consumption, and remarkably improves system efficiency.
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Description

Technical Field

[0001] This utility model belongs to the field of heat exchangers, specifically relating to a water-cooled radiator assembly for hydrogen production by water electrolysis at sea. Background Technology

[0002] By 2050, hydrogen energy should account for 12% of energy consumption to limit global warming to within 1.5°C. Therefore, promoting water electrolysis for hydrogen production is crucial to achieving this goal.

[0003] The cost of hydrogen production through water electrolysis is a key factor restricting the mass production and large-scale scaling of water electrolysis hydrogen production systems. From a cost structure perspective, the cost of hydrogen production through water electrolysis mainly consists of electricity costs and equipment costs, with electricity accounting for over 70% of the total cost and equipment costs accounting for approximately 14%. Besides the significant energy loss during water electrolysis itself, the energy losses from auxiliary facilities are also substantial. The electricity consumption for chillers accounts for a considerable proportion of these auxiliary costs.

[0004] To reduce energy consumption, some designs incorporate air-cooled finned heat exchangers on the cold side. However, this approach is highly susceptible to environmental influences, especially in high temperatures where the temperature difference between the ambient environment and the cooling water can be too low, potentially leading to poor or no heat exchange. Conversely, in low temperatures, the temperature difference can be too high, creating significant challenges in heat exchanger selection and control over this wide range. Considering the project's application in a marine environment, seawater can be used as an inexhaustible cold storage for heat exchange. Seawater below 5 meters is particularly stable, with a relatively constant temperature of 10-20°C, and temperature fluctuations in summer and winter can be controlled within 10°C. However, the corrosive nature of seawater and the challenges of maintaining a marine environment present new challenges. Utility Model Content

[0005] To overcome the shortcomings of existing technologies, this utility model provides a water-cooled heat sink assembly for offshore water electrolysis hydrogen production, which provides heat exchange and cooling for offshore water electrolysis hydrogen production equipment, saves system power consumption, and significantly improves system efficiency.

[0006] The above-mentioned objective of this utility model is achieved through the following technical solution: a water-cooled heat sink assembly for offshore water electrolysis hydrogen production, comprising:

[0007] The radiator outer frame has a limiting ear on the front side and lifting ring holes on the four sides of the top of the radiator. Inside the radiator outer frame, there are multiple parallel heat exchange coils that are coiled from top to bottom. The top end of the heat exchange coil passes through the top of the radiator outer frame to form an outlet, and the bottom end of the heat exchange coil passes straight through the top of the radiator outer frame to form an inlet.

[0008] Furthermore, the heat exchange coil material is a corrosion-resistant material.

[0009] In a further preferred embodiment of the present invention, the heat exchange coil is made of titanium.

[0010] Furthermore, the water flowing inside the heat exchange coil is demineralized water.

[0011] Furthermore, the inlet and outlet are connected to the water inlet and outlet via connecting hoses.

[0012] Furthermore, the multiple heat exchange coils have gaps between them to facilitate ocean current flow and ensure sufficient heat exchange, while reducing the impact of ocean currents and preventing structural instability. Additionally, cleaning algae and barnacles during maintenance is easier.

[0013] The top lifting ring of the radiator outer frame is made of 316L or titanium and is used for water-cooled radiator assembly hoisting. The limiting ear is used to vertically hoist the water-cooled radiator assembly into the limiting groove for fixation.

[0014] The advantages of this invention compared to the prior art are: this invention can provide heat exchange and cooling for marine water electrolysis hydrogen production equipment, saving system power consumption and significantly improving system efficiency. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0016] Figure 1 These are three views of the water-cooled radiator assembly for hydrogen production via marine electrolysis, according to this utility model.

[0017] Figure 2 This is a schematic diagram of the water-cooled radiator assembly for hydrogen production by water electrolysis at sea, which is placed into the limiting groove.

[0018] In the diagram: 1. Radiator outer frame; 2. Heat exchange coil; 3. Limiting lug; 4. Lifting ring hole; 5. Lifting ring; 6. Water inlet; 7. Water outlet; 8. Connecting hose; 9. Limiting groove. Detailed Implementation

[0019] The present invention is described in detail below through specific embodiments, but this does not limit the scope of protection of the present invention. Unless otherwise specified, the experimental methods used in the present invention are all conventional methods, and the experimental equipment, materials, reagents, etc. used can all be obtained commercially.

[0020] Example 1

[0021] A water-cooled radiator assembly for hydrogen production via water electrolysis at sea includes: a radiator frame 1, with limiting ears 3 on the front side of the frame 1, and lifting eyelet holes 4 on the four sides of the top of the radiator. Multiple parallel, top-to-bottom coiled heat exchange coils 2 are arranged inside the frame 1. One end of each heat exchange coil 2 passes through the top of the frame 1 to form an outlet 7, and the other end passes through the top of the frame 1 to form an inlet 6. The heat exchange coils 2 are made of titanium, and the water flowing inside them is demineralized water. The inlet 6 and outlet 7 are connected to the water supply via flexible hoses. Gaps exist between the multiple heat exchange coils 2 to facilitate ocean current flow, ensuring sufficient heat exchange while reducing the impact of ocean currents and preventing structural instability. Furthermore, cleaning algae and barnacles during maintenance is easier.

[0022] The top lifting ring of the radiator outer frame 1 is made of 316L or titanium and is used for water-cooled radiator assembly hoisting. The limiting ear 3 is used to vertically hoist the water-cooled radiator assembly into the limiting groove 9 for fixation.

[0023] The embodiments described above are merely preferred embodiments of this utility model, and not all feasible embodiments of this utility model. For those skilled in the art, any obvious modifications made without departing from the principles and spirit of this utility model should be considered to be included within the scope of protection of the claims of this utility model.

Claims

1. A water-cooled heat sink assembly for electrolysis of water to produce hydrogen at sea, characterized by, include: The radiator outer frame (1) has a limiting ear (3) on the front side of the radiator outer frame (1), and lifting ring holes (4) on the four sides of the top of the radiator. Multiple parallel heat exchange coils (2) are arranged inside the radiator outer frame (1) and coiled from top to bottom. The top end of the heat exchange coil (2) passes through the top of the radiator outer frame (1) to form an outlet (7), and the bottom end of the heat exchange coil (2) passes straight through the top of the radiator outer frame (1) to form an inlet (6).

2. The water cooled heat spreader assembly for offshore electrolytic hydrogen generation of claim 1, wherein, The heat exchange coil (2) is made of corrosion-resistant material.

3. The water cooled heat spreader assembly for offshore electrolytic hydrogen generation of claim 2, wherein, The heat exchange coil (2) is made of titanium.

4. The water cooled heat sink assembly for offshore electrolytic hydrogen generation of claim 1, wherein, The water flowing inside the heat exchange coil (2) is demineralized water.

5. The offshore electrolytic hydrogen generation water cooled heat sink assembly of claim 1, wherein, The inlet (6) and outlet (7) are connected to the water inlet and outlet via a connecting hose (8).

6. The offshore electrolytic hydrogen generation water cooled heat sink assembly of claim 1, wherein, There are gaps between the multiple heat exchange coils (2).

7. The offshore electrolytic hydrogen generation water cooled heat sink assembly of claim 1, wherein, The top hanging ring (5) of the radiator outer frame (1) is made of 316L material or titanium.