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Layered unit type reactor used for hydrated salt heat storage

A hydrated salt heat storage and layered unit technology, applied in the field of thermochemical heat storage, can solve problems such as thermal efficiency limitation, and achieve the effects of easy processing, improved thermal efficiency, and simple structure

Inactive Publication Date: 2019-09-03
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the heat exchange between the heat absorbed or released by the hydrated salt reaction in the reactor and the fluid in the pipeline is a non-contact heat exchange, and the thermal efficiency of the system is limited to a certain extent.

Method used

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  • Layered unit type reactor used for hydrated salt heat storage
  • Layered unit type reactor used for hydrated salt heat storage
  • Layered unit type reactor used for hydrated salt heat storage

Examples

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Embodiment 1

[0030] like figure 1 and figure 2 , a layered unit reactor for heat storage of hydrated salts, comprising a gas inlet section 1, a shell 2, a thermal insulation coating, 3, bolts 4, partitions 5, metal screens 6, meshes 7, hydration Salt 8, gas collection channel 9, gas outlet section 10; the gas inlet section 1 is a cylindrical pipe used to connect the dry hot air or wet cold air pipe provided externally. The metal screen 4 arranged in the direction of the vertical partition 5 is used as the reaction bed of the hydrated salt 6, and the middle third of the partition 5 section occupied by the layer thickness of each reaction unit is also composed of the metal screen 6, All metal screens 6 have the characteristics of thin thickness, small pore size, and large porosity. In this way, the leakage of the filled hydrated salt can be prevented, and the normal reaction between the incoming gas and the hydrated salt 8 particles is not hindered; With multiple reaction bed units, under...

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Abstract

The invention relates to a layered unit type reactor used for hydrated salt heat storage. The layered unit type reactor is used for desorption / adsorption reaction process heat energy storage and release of hydrated salts or other particular matters; in the reactor, metal sieve screens are adopted as packed beds of a hydrate reactant, the end of each metal sieve screen close to a gas inlet segmentis fixed by a pair of bolts arranged up and down, so that dismounting can be realized, and it is convenient for filling and taking out of reaction particular salts; the periphery and the upper and lower surfaces of the reactors are coated with a thermal insulation material, so that heat loss in reaction process is prevented. The reactor can be used for high efficiency full hydrated salt desorption / adsorption reaction, is not only capable of improving heat and mass transfer effect in reaction process, but also capable of preventing hydrated salt deliquescence because of excess adsorption on moisture; reactor corrosion and heat storage density reduction caused by deliquescence of hydrated salt are avoided, heat storage material circulation operation period is prolonged, and the service lifeis prolonged.

Description

technical field [0001] The invention belongs to the technical field of thermochemical heat storage, in particular to a layered unit reactor for heat storage of hydrated salts. Background technique [0002] Energy is the material basis of human activities. The continuous development and utilization of energy has promoted the development of human civilization. As the energy crisis becomes more and more serious, various energy-saving and emission-reduction measures are being continuously developed and applied. In today's energy consumption, building energy consumption is the most prominent, accounting for about 1 / 3 of the country's total energy consumption. In order to use energy more rationally and efficiently, it is extremely necessary to store heat effectively. At present, the heat storage method commonly used in engineering is phase change latent heat energy storage, whose heat storage density is higher than sensible heat storage, and the technology is relatively mature....

Claims

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Application Information

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IPC IPC(8): B01J19/24B01J19/00F28D20/00
CPCB01J19/0013B01J19/24F28D20/003Y02E60/14
Inventor 曾敏李威郭昊王秋旺
Owner XI AN JIAOTONG UNIV
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