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Energy-storage heat exchange device

A technology of heat exchange device and heat exchanger, which is applied in the direction of heat storage equipment, heat exchanger type, indirect heat exchanger, etc., can solve the problems of restricting large-scale application, poor heat storage capacity, etc., and avoid excessive phase transition temperature. High, heat-resistant temperature increase, the effect of improving elasticity and toughness

Active Publication Date: 2017-09-15
天津朗华科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic phase change materials mainly include paraffin, fatty acids and polyols. These phase change materials are stable and non-corrosive, but their heat storage capacity is poor
Therefore, inorganic phase change materials with strong heat storage capacity are the most widely studied at present. Most inorganic phase change energy storage materials have strong heat storage capacity but are corrosive, which limits their large-scale application.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0058] The preparation method of the rare earth ceramic high-temperature energy storage and discharge material of the present invention comprises the following steps:

[0059] (1) Put 92-98 parts of alumina, 5-8 parts of solid solution of zirconia and rare earth oxides, 1-3 parts of magnesium oxide, 60-80 parts of cellulose solution and 100-150 parts of deionized water into the grinder Mix and grind in the middle, and then make a mixed slurry, and then inject the mixed slurry into a mold to make a mold, and after the molded product is dried, it is sintered at a high temperature to make a rare earth ceramic;

[0060] (2) Mix the inorganic salt mixture in the phase change material, heat and dissolve at a constant temperature to obtain a mixed solution, then place the rare earth ceramics in the above mixed solution and cook for 5-10 minutes, then take out the rare earth ceramics and place them in a refrigerator at 740-860°C The furnace cools down naturally with the furnace to pro...

Embodiment 7-12

[0100] like Figure 1-2 Shown is the energy storage heat exchange device of the present invention, the energy storage heat exchange device includes an energy storage pile 1, a heat exchanger 5, a heating pipe 2 and a blower fan 4; The gap left between the energy stack 1 and the insulation layer A7 is used as an air duct, and the energy storage stack 1 is provided with a groove 1-1 for ventilation;

[0101] The fan 4 and the heat exchanger are connected through pipelines, the other end of the fan 4 is connected to the air duct A 3-1 through the pipeline, and the other end of the heat exchanger is connected to the air duct B 3-2 through the pipeline, wherein the air The channel A 3-1 and the air channel B 3-2 refer to the air channel formed between the opposite ends of the energy storage pile 1 and the insulation layer A 7;

[0102] The heating pipe is installed in the energy storage stack 1 to heat the energy storage stack 1. Driven by the fan 4, the air flow enters the energy...

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Abstract

The invention relates to an energy-storage heat exchange device. The energy-storage heat exchange device comprises an energy storage pile, a heat exchanger, a heating tube and a fan, wherein a thermal insulation layer A is arranged at the periphery of the energy storage pile; a gap between the energy storage pile and the thermal insulation layer A is taken as an air flue; a ventilating groove is formed in the energy storage pile; the fan is connected with the heat exchanger through a pipeline; the other end of the fan is accessed into the air flue A through a pipeline; the other end of the heat exchanger is accessed into an air flue B through a pipeline; the air flue A and the air flue B refer to air flues formed between opposite two ends in the energy storage pile and the thermal insulation layer A; an electric heating tube is arranged in the energy storage pile in a penetrating mode for heating the energy storage pile; under driving of the fan, air flow enters the energy storage pile through the air flue A; and air flow is heated by the energy storage pile. The energy-storage heat exchange device utilizes off-peak electricity to heat the energy storage pile, and utilizes the energy storage pile to slowly release heat for heating air flow to form hot air; and after entering the heat exchanger to exchange heat, hot air is changed into cold air for being blown into the fan, and re-enters the air flue A under driving of the fan in a circulating mode, so that the energy-storage heat exchange purpose is realized.

Description

technical field [0001] The invention belongs to the field of phase change energy storage and energy exchange, and relates to an energy storage heat exchange device. Background technique [0002] At present, building heating and industrial and agricultural heating consume a large amount of high-quality energy such as fossil energy and electricity, and also produce a large amount of carbon dioxide and other pollutants. Therefore, in response to the national call for energy conservation, emission reduction and energy renewable utilization, it is necessary to develop and utilize cheap renewable energy for building heating and industrial and agricultural thermal insulation heating technology. [0003] Off-peak electricity is a cheap energy source encouraged by the state. However, due to time problems, off-peak electricity is often not fully utilized, and it is more and more widely used in building heating and industrial and agricultural heating. In order to store heat, people ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D20/02
CPCF28D20/021Y02E60/14
Inventor 郑善
Owner 天津朗华科技发展有限公司
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