Solar heating system and method thereof for heating and supplying hot water

Abstract

The invention discloses a solar heating system, which comprises a solar heat-collecting circulation loop (10), a heat pump (34), a heating circulation loop (20), a heat supply output circulation loop (30) and a controller (40), wherein the heating circulation loop comprises circulating water pumps (42, 43, 44, 45 and 46), a heat exchanger (32), a heating heat storage tank (23) and a heating heat supply water tank (24); a hot water tank (21) is connected with the heating heat storage tank through the circulating water pumps and the heat exchanger; the heating heat storage tank is connected with the heating heat supply water tank through a water source heat pump (33); and the solar heat-collecting circulation loop, the heat pump, the heating circulation loop and the heat supply output circulation loop are electrically connected with the controller respectively. The time-sharing work system is formed between the solar heat-collecting circulation loop and the heat pump in the heating system; the heating system has lower operation cost and can also provide clean domestic hot water under the condition of heating priority. The invention also relates to a method for heating and supplying hot water for the solar heating system.

Description

technical field [0001] The invention relates to a solar heating system, which is mainly composed of a solar heat collecting circulation loop and a water source heat pump, and belongs to the heating field using solar energy as the main energy source. In addition, the present invention also relates to a method for heating and hot water supply of the above-mentioned solar heating system. Background technique [0002] The amount of solar energy is huge, and the annual solar radiant energy reaching the earth's surface is about 130 trillion tons of standard coal, but its characteristics are dispersion, discontinuity and instability. In order to eliminate these shortcomings, it is necessary to solve the problem of energy storage and use other auxiliary energy sources to achieve all-weather use. [0003] The solar heating system is a composite energy heating system that uses heat pumps as auxiliary energy and solar technology. Therefore, in a solar heating system, it is guaranteed ...

AI Technical Summary

Problems solved by technology

As shown in the accompanying drawings, the production and use of hot water in this scheme adopt real-time system. Therefore, in order to ensure the normal heat exchange between the solar heat collection cycle loop and the heat storage tank, the output of rated output heat The same amount of cold water must be input at the same time as the water. Since the cooling capacity enters at any time, it is difficult to use a normal-sized non-heat storage tank to meet the standard requirements of the rated hot water capacity designed to supply 45°C for 24 hours a year, 365 days a year. In addition, it is also It is impossible to realize the use of valley power energy storage and reduce the operating cost of hot water heating, and it is impossible to realize the simultaneous output function of radiator heating and hot water for bathing and washing.

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