A distributed high-efficiency energy-saving phase change heat storage system

Abstract

The invention discloses a distribution type efficient energy-saving phase change heat storage system. The distribution type efficient energy-saving phase change heat storage system comprises a heat storage loop and an output loop which are composed of a phase change heat storage body, a heat exchanger and an electric heater. The heat storage loop has a new energy heat supply mode and an electric heating mode, under the new energy heat supply mode, the phase change heat storage body and the heat exchanger are connected and form a heat storage cycle, under the electric heating mode, the phase change heat storage body and the electric heater are connected and form a heat storage cycle, the output loop has a direct output mode and an electric heating auxiliary heating mode, under the direct output mode, an inlet and an outlet of the phase change heat storage body are connected with a cold water input opening and a hot water output opening correspondingly, and under the electric heating auxiliary heating mode, a water inlet of the phase change heat storage body is connected with the cold water input opening, and a water outlet is sequentially connected with the electric heater and the hot water output opening. Compared with the prior art, the system is flexible in arrangement, small in occupied space and large in heat storage amount, and heat storage / using is rapid and convenient.

Description

technical field [0001] The invention relates to a phase change heat storage system, in particular to a distributed high-efficiency energy-saving phase change heat storage system. Background technique [0002] At present, the demand for heating in residential quarters and new rural areas is gradually increasing, and the burden on traditional boiler equipment is increasing. To varying degrees, there are deficiencies such as complex heating pipelines, high energy consumption, and inconvenient maintenance, resulting in lengthy heating pipelines and cost of coal and electricity. High, unstable heating and other shortcomings. [0003] Traditional household heat storage units mostly use water tank liners, which have the disadvantages of weak heat storage capacity and large space occupation, and the internal water will be affected by repeated heating or long-term storage. At the same time, due to the small sensible heat storage of water, it is impossible to make full use of industr...

AI Technical Summary

Problems solved by technology

The cold fluid of the system is directly output after passing through the solar collector, electric heater, and heat storage heat pool in sequence. When the temperature of the heat storage heat pool is lower than the limit value, the internal residual heat is not recycled, thereby reducing the energy utilization rate.

Images