Integrated circulating cooling system for marine power supply

Through the multi-stage filtration and anti-corrosion design of the integrated circulating cooling system, the corrosion and scaling problems under seawater cooling are solved, achieving efficient heat dissipation and stable operation of the electric ship power system and reducing maintenance costs.

CN224400445UActive Publication Date: 2026-06-23THREE GORGES ELECTRIC ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
THREE GORGES ELECTRIC ENERGY CO LTD
Filing Date
2025-07-15
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In modern electric ships, corrosion and scaling problems caused by direct seawater cooling affect the performance and lifespan of the power system, and it is difficult to guarantee stable heat exchange efficiency.

Method used

An integrated circulating cooling system is adopted, including water filtration components, heat exchange components and controllers. Through multi-stage filtration, titanium alloy plate heat exchangers and polytetrafluoroethylene coating, combined with corrosion inhibitor injection and temperature monitoring, efficient heat dissipation and corrosion protection design are achieved.

Benefits of technology

It effectively prevents power system corrosion, improves heat dissipation efficiency, reduces maintenance costs, and ensures stable operation and lifespan of the power system.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application provides an integrated circulating cooling system for marine power supplies, comprising: a water filtration assembly, a heat exchange assembly, and a controller; multiple filtration units in the water filtration assembly are arranged in sections along a water delivery pipeline; a flow regulating valve is installed at the inlet end of the water delivery pipeline, and a check valve is installed at the outlet end; a water pump is connected to the flow regulating valve; the circulation loop in the heat exchange assembly is in close contact with the periphery of the marine power supply; one side of the plate heat exchanger is in contact with the bottom channel of the circulation loop, and the other side is in contact with the outer wall of the water delivery pipeline; two temperature sensors are respectively installed in the battery compartment environment and on the outer wall of the water delivery pipeline; the sensor signal acquisition terminal of the controller is electrically connected to the two temperature sensors, and the control signal output terminal is electrically connected to the water pump and the flow regulating valve. The system described in this application adopts a high-efficiency heat dissipation, corrosion resistance, and lightweight design, which can meet the high requirements of the marine industry for power system cooling.
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