Off-grid green energy heat storage and pump drying system

By adopting a closed-loop hot air circulation design with multi-energy complementarity in off-grid application scenarios, the off-grid green energy combined with heat pump drying system solves the problems of unstable energy supply and poor environmental performance of traditional heat pump dryers in off-grid application scenarios, and realizes automated control of efficient and environmentally friendly drying process.

CN122216935APending Publication Date: 2026-06-16SHANDONG YANGZI NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-22
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Traditional heat pump dryers suffer from problems such as unstable energy supply, poor environmental performance, and low energy utilization efficiency in off-grid applications.

Method used

The off-grid green energy combined heat pump drying system, which adopts a closed-loop hot air circulation design, includes solar, wind, and biomass energy collection units. It combines phase change thermal storage and battery energy storage, and achieves multi-energy complementarity through an intelligent control module. It supports three operating modes to ensure the stability and efficiency of the drying process.

Benefits of technology

It enables stable drying operations in areas without power grid coverage, operates on green energy, reduces operating costs, meets environmental protection requirements, reduces manual labor intensity, and supports automated control.

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Abstract

The application relates to the field of combined heat storage heat pump dryers, and discloses an off-grid green energy combined heat storage heat pump drying system which comprises four parts of an energy collection module, an energy combination and storage module, a heat pump drying module and an intelligent control module. The energy collection module comprises a solar energy collection unit and a wind energy collection unit, the solar energy collection unit adopts a vacuum tube type heat collector, and the wind energy collection unit is arranged on one side of the solar energy collection unit and comprises a wind wheel. The energy combination and storage module comprises a phase change heat storage unit and a battery energy storage unit. The heat pump drying module comprises a heat pump machine and a drying bin, and the heat pump machine mainly comprises a compressor, a condenser and an evaporator. The intelligent control module comprises a PLC control cabinet. The application solves the problems of unstable energy supply, poor environmental protection and low energy utilization efficiency.
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