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Electric thermal storage technology: using low-peak electricity to create a clean, efficient and energy-saving heating solution.
Clean heating is one of the important ways to solve energy and environmental problems. By selecting suitable boiler equipment, we can build a clean heating system based on low-peak and low-price electricity and use electric boiler water to store heat to achieve thermal storage heating.
This heating system uses low-priced electricity at night to store heat in a water thermal storage box, and uses the water thermal storage box to provide separate heating during the day. At the same time, the indoor temperature, radiator inlet and return water temperatures, and power consumption are analyzed.
Current proportion of clean energy
At present, the proportion of clean energy such as electricity, natural gas, and industrial waste heat is relatively low. The energy structure for heating is unreasonable, and there is an urgent need to promote clean heating technology.
Clean heating technology refers to heating technology that uses clean energy such as clean coal, natural gas, electricity, and industrial waste heat to achieve low energy consumption and low carbon emissions through efficient energy use.
Electric energy heating has been vigorously promoted as a clean and pollution-free heating method, especially the heating method that uses off-peak and low-priced electric energy to store heat.
Because it takes advantage of cheap off-peak power periods, the electric boiler is started to store the heat generated in the heat storage device; during non-off-peak power periods, the heat storage device is used to output the heat, thereby reducing electricity consumption during peak hours, or even not using it during peak hours.
Advantages
Heating technology can not only effectively balance the load of the power grid, but also solve the volatility of renewable energy sources such as wind power and photovoltaics, and promote the consumption of renewable energy.
At the same time, it can take advantage of the low valley electricity price policy to allow users to save heating operating costs.
Therefore, the heating technology of low valley electricity thermal storage has gradually become a research and application hotspot.
Compared with gas boilers, the operating costs of high-temperature water thermal storage heating systems with electric boilers can be saved by 52%.
For a heating area of 10,000m2, compare the economic benefits of gas, ground source heat pump, and water storage heating methods. The comprehensive economic benefits of water thermal storage are relatively good.
