Solar energy heat accumulating method by using soluble salt

A technology of solar energy and dissolved salt, applied in the field of solar heat storage using dissolved salt, can solve the problems of low cost performance, many conversion links, heat loss, etc., and achieve the effects of large thermal energy capacity, high heat storage efficiency, and simple production

Inactive Publication Date: 2010-06-16
裴如锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing solar heat storage devices basically describe that they use "excess electricity" to heat heat storage blocks made of high-temperature resistant non-metallic materials to store heat energy and do not have good heat insulation materials for heat preservation; If the electricity is used to reheat the heat storage body to store heat, there are many conversion links and the utilization efficiency is extremely low, and the cost performance is not high; if the heat insulation effect is poor, the heat will be seriously lost during long-term storage, and it is difficult to popularize and use

Method used

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  • Solar energy heat accumulating method by using soluble salt

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Embodiment Construction

[0008] See attached figure 1 , the present embodiment is divided into three layers around the solar heat storage airtight container cylinder: the outer wall of the metal container (2), the inner wall (3) of the heat insulation material, and the cavity (4) where the heat conduction medium flows; wherein the heat insulation material uses silicon Salt, aluminum silicate or glass wool; the heat transfer medium flow cavity is provided with an inlet and an outlet to facilitate the circulation of the heat transfer medium. Inside the heat storage airtight container is a metal container tank (5) filled with heat storage medium dissolved salt (6), and a sealable salt inlet (1) is arranged on the top. When the sunlight is normally irradiated, a small part of the heat transfer medium flow diverts into the heat storage tank for energy storage while supplying heat. The medium flow continues to circulate, and what is carried out in the heat storage container is the heat release process of d...

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Abstract

The invention relates to a solar energy heat accumulating method by using soluble salt. The method is characterized in that: a closed heat accumulating container with the expected size can be produced and a great amount of heat energy can be stored in the container by using soluble salt as the heat accumulator; under the normal sunlight condition, a small part of high-temperature conducting medium flowing through a heat user is distributed in the heat accumulating container for favorable heat conduction with the soluble salt which absorbs heat; during interruption of sunlight, heat energy in the heat accumulating container is used, and low-temperature conducting medium soluble salt flows through the heat accumulating container to absorb heat inside the soluble salt which discharges heat. The whole heat accumulating container is made of a material with very good insulating effect and reduces only 3-5 DEG C of the heat accumulation temperature every 24 hours.

Description

technical field [0001] The invention relates to a solar heat storage method utilizing dissolved salt. Background technique [0002] The existing solar heat storage devices basically describe that they use "excess electricity" to heat heat storage blocks made of high-temperature resistant non-metallic materials to store heat energy and do not have good heat insulation materials for heat preservation; If the electricity is used to reheat the heat storage body to store heat, there are many conversion links and the utilization efficiency is extremely low, and the cost performance is not high; if the heat insulation effect is poor, the heat will be seriously lost during long-term storage, and it is difficult to popularize and use. Contents of the invention [0003] The purpose of this invention is to solve the problem that in the current process of using solar heat, it is often impossible to maintain continuous heat use due to the time interval of sunshine, and there is no effe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/34
CPCY02E10/40
Inventor 裴如锋戴建国张宗松
Owner 裴如锋
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