Wind-solar complementary clean heating system integrated with molten salt heat storage and efficient air source heat pump

Abstract

The invention discloses a wind-solar complementary clean heating system integrated with molten salt heat storage and an efficient air source heat pump, and belongs to the field of clean energy use. The efficient air source heat pump is coupled with a molten salt heat storage system for heating, clean wind-solar energy local consumption can be achieved, and environment pollution brought by a conventional heating manner can be reduced. The electric drive air source heat pump is used for achieving wind power efficient use, molten salt energy storage is used for achieving continuous heating of fluctuating wind-solar energy, when wind energy and solar energy are sufficient, through solar energy, molten salt is preheated, wind power further dissolve and heat the molten salt, electric energy andoptical energy are converted into heat energy to be stored, when the wind energy is insufficient, the heat generated by the air source heat pump is insufficient of heating circular return water to rated heating temperature, through regulation of the heat stored in the molten salt heat storage system, the circular return water is reheated, and it is ensured that heating temperature reaches the rated need. Wind-solar energy local consumption can be achieved, and it can be ensured that heating is continuous and reliable.

Description

technical field [0001] The invention is a wind-solar complementary clean heating system integrating molten salt heat storage and a high-efficiency air source heat pump, which belongs to the field of clean energy utilization. Background technique [0002] Both wind energy and solar energy are renewable and clean energy, but due to their high volatility, it has caused great difficulties for power generation and grid connection, so there has been a large-scale abandonment of wind and light. In winter, in order to meet the heating demand, coal-fired boilers are often used for heating. These conventional heating methods have caused serious environmental pollution. Utilizing wind energy and solar energy for heating is an ideal heating method, but continuous heating is required, and wind energy and solar energy are volatile, so continuous heating cannot be performed, resulting in poor user experience. Molten salt energy storage has the advantages of large latent heat, high energy ...

AI Technical Summary

Problems solved by technology

[0002] Both wind energy and solar energy are renewable and clean energy, but due to their high volatility, it has caused great difficulties for power generation and grid connection, so there has been a large-scale abandonment of wind and light.

In winter, in order to meet the heating demand, coal-fired boilers are often used for heating. These conventional heating methods have caused serious environmental pollution.

Using wind energy and solar energy for heating is an ideal heating method, but continuous heating is required, and wind energy and solar energy are fluctuating, so continuous heating cannot be performed, resulting in poor user experience

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