Phase-change heat-storage medium melting device and system

A phase change heat storage and melting device technology, applied in heat storage equipment, energy storage, indirect heat exchangers, etc., can solve the problems of high production cost, large gas consumption, gas environmental protection, etc., to save production costs and improve mixing effect, the effect of improving melting efficiency

Pending Publication Date: 2020-10-02
JIANGSU FEDERAL RESERVE ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the whole process of salt melting needs to consume a large amount of gas, the energy consumption is very high, and the production cost is high.
Moreover, the emission of gas also has certain environmental problems.

Method used

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  • Phase-change heat-storage medium melting device and system
  • Phase-change heat-storage medium melting device and system
  • Phase-change heat-storage medium melting device and system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0030] See figure 1 , the phase-change heat storage medium melting device in the present invention includes a thermal insulation container 1; the thermal insulation container 1 is provided with an inlet 11 for a solid phase-change heat storage medium to enter, and an inlet 11 for a liquid phase-change heat storage medium Outflow overflow port 14; the heat preservation container 1 is provided with a group of heating tubes 2 for circulating combustion gas; the exhaust port of the heating tube group 2 extends out of the heat preservation container 1; the heat preservation container 1 is provided with an agitator 3 The driving device 31 of the agitator 3 is fixedly arranged on the top of the heat-retaining container 1, and the stirring shaft 32 of the agitator 3 stretches into the heat-retaining container 1; the heating tube group 2 is arranged at the bottom of the heat-retaining container 1; There are two inlets for the liquid phase-change heat storage medium to flow in, which ar...

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Abstract

The invention relates to a phase-change heat-storage medium melting device and system. The phase-change heat-storage medium melting device comprises a heat preservation container; one or more inlets for entering of a solid phase-change heat-storage medium and one or more outlets for outflow of a liquid phase-change heat-storage medium are formed in the heat preservation container; the heat preservation container is at least internally provided with one heating pipe set for circulating combustion gas; an exhaust port of the heating pipe set extends out of the heat preservation container; a stirrer is arranged on the heat preservation container; a driving device of the stirrer is fixedly arranged at the top of the heat preservation container, and a stirring shaft of the stirrer extends intothe heat preservation container; the heating pipe set is arranged between the middle and the bottom of the heat preservation container; and one or more inlets for inflow of the liquid phase-change heat-storage medium are formed in the heat preservation container. The melting system mainly utilizes a heat exchanger and the liquid phase-change heat-storage medium to melt the solid phase-change heat-storage medium, and thus the production cost is greatly reduced.

Description

technical field [0001] The invention relates to phase change heat storage equipment, in particular to a phase change heat storage medium melting device and a melting system. Background technique [0002] Energy storage is a key and indispensable link in solar thermal power generation systems, and the energy storage medium is mostly a phase-change heat storage medium, such as molten salt. The energy storage function is realized by heating the heat storage medium to raise the temperature. [0003] Phase change heat storage medium melting furnace is the most common heat storage device in solar thermal power generation system, and the phase change medium usually used is molten salt. The phase change medium melting furnace usually uses the combustion gas circulating in the heating tube to heat the phase change medium. In order to ensure the salt melting effect, it is often necessary to arrange a large number of heating tubes in the furnace body, and each heating tube is equippe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D20/02
CPCF28D20/021Y02E60/14Y02E70/30
Inventor 殷建平刘荷芳殷苏刘平心姜斌
Owner JIANGSU FEDERAL RESERVE ENERGY TECH CO LTD
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