A molten salt energy storage and delivery system

By introducing a shell-and-tube heat exchanger and a flue gas filtration mechanism into the molten salt energy storage system, combined with multiple sets of filters and temperature sensing devices, the problems of low efficiency and complex structure of existing molten salt energy storage systems are solved. This achieves efficient flue gas heat recovery and a simplified transportation system, improving the system's practicality and ease of maintenance.

CN224552179UActive Publication Date: 2026-07-24SHANGHAI ZHENSHI ENERGY TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI ZHENSHI ENERGY TECH
Filing Date
2025-07-23
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing molten salt energy storage systems have low heat exchange and energy storage efficiency, large heat loss, and complex transmission system structure, resulting in high maintenance costs and overall low system efficiency.

Method used

The system employs shell-and-tube heat exchangers and flue gas filtration mechanisms, combined with multiple sets of filter screens, temperature sensing devices, and three-way valves, to achieve rapid heat exchange and filtration between molten salt and flue gas. Through the cooperation of two sets of shell-and-tube heat exchangers and three-way valves, the heat exchange path is adjusted according to the flue gas temperature. Vibrators and collection chambers are also provided for easy maintenance.

Benefits of technology

It improves the heat exchange efficiency and flue gas heat recovery efficiency of the molten salt energy storage system, simplifies the structure of the conveying system, reduces maintenance costs, and enhances the practicality and heat exchange flexibility of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a molten salt energy storage and conveying system and belongs to the technical field of blast furnace gas treatment. The molten salt energy storage and conveying system comprises a molten salt storage mechanism and a tubular heat exchanger. The molten salt storage mechanism comprises a cold molten salt storage tank and a hot molten salt storage tank. The bottom of the cold molten salt storage tank and the bottom of the hot molten salt storage tank are respectively provided with an inlet and outlet pipe. One end of the tubular heat exchanger is provided with a molten salt feeding tank and a molten salt discharging pipe. The other end of the tubular heat exchanger is provided with a flue gas inlet pipe and a flue gas outlet pipe. The tubular heat exchanger is provided with a flue gas filtering mechanism on one side. The flue gas filtering mechanism comprises a filtering box and a flue gas pipe. The flue gas pipe and the flue gas inlet pipe are in communication with each other. The molten salt feeding tank and the molten salt discharging pipe are in communication with two groups of inlet and outlet pipes respectively. The molten salt energy storage and conveying system can quickly recover the heat of flue gas, has a simple structure, is convenient to maintain and use and improves the practicability of the device.
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