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Phase-change heat-storage type solar water heating system

A technology of solar hot water and phase change heat storage, which is applied in the direction of solar thermal power generation, solar thermal devices, heating devices, etc., can solve the problems of not being able to apply solar hot water systems, etc., and achieve long hot water duration and high hot water output , the effect of saving energy

Inactive Publication Date: 2015-10-21
PIONEER ENERGY JIANGSU
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Problems solved by technology

But the heat exchanger still can't be applied in the solar hot water system

Method used

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  • Phase-change heat-storage type solar water heating system

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Embodiment

[0027] A phase change heat storage solar water heating system, its structure is as follows figure 1 As shown, including the water heater shell, the water heater shell is provided with insulation materials, which can be one or more combinations of foamed polyurethane, VIP vacuum insulation board or nano gel insulation board. In this embodiment, foamed polyurethane is used. There is a phase-change heat storage pool 3 inside the shell of the water heater, and the phase-change heat storage pool 3 is filled with phase-change materials 2, and inorganic nano-phase-change energy storage materials, inorganic phase-change energy storage materials or organic phase-change energy storage materials can be used , the present embodiment adopts inorganic nano phase change energy storage material, and a heat exchange tube 1 is embedded in the phase change material 2, and one end of the heat exchange tube 1 is connected with a water inlet pipe 17, and the other end is connected with a water outle...

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Abstract

The invention relates to a phase-change heat-storage type solar water heating system which comprises a medium circulating assembly, a control assembly and a solar heat collector (11). The medium circulating assembly is composed of a phase-change heat-storage heat pool (3) and a water return pipe, the control assembly is arranged on the water return pipe, and the solar heat collector is connected with the water return pipe. Compared with the prior art, the high heat storage property of phase change materials is utilized, and after heat is stored in advance, hot water can be supplied to users anytime and anywhere; duration of hot water is long, the output of hot water is large, and the phase-change heat-storage type solar water heating system is safe and reliable.

Description

technical field [0001] The invention relates to the field of water heaters, in particular to a phase-change heat storage solar water heating system. Background technique [0002] Traditional water storage electric water heaters and solar water heaters have disadvantages such as weak heat storage capacity and large volume. At the same time, traditional water storage electric water heaters need to consume electric energy during use, and cannot make full use of solar energy to save energy. [0003] Chinese patent CN203731913U discloses a heat storage heat exchanger, including a shell, a fluid pipeline and several finned plates. An inner tank is fixed inside the outer shell, and insulation material is filled between the outer shell and the inner shell. The heat exchange core of the heat exchanger is composed of fluid pipelines, aluminum fin plates and solid-liquid phase change heat storage materials filled in the inner tank. The cold and hot fluid pipelines composed of copper t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/00F24J2/34F24J2/40F24J2/46
CPCY02E10/40
Inventor 刘海军李文王鋐
Owner PIONEER ENERGY JIANGSU
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