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Device and method for testing thermal performance of medium-magnitude chemical heat storage material

A technology of heat storage material and testing device, which is applied in the direction of measurement device, material thermal development, analysis material, etc. Effect

Pending Publication Date: 2022-05-10
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the trace heat enthalpy test in the prior art can only be carried out through the experimental bench or engineering test, the test cost is high, and the test is inconvenient, the present invention provides a thermal performance test device and method for medium-scale chemical heat storage materials

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  • Device and method for testing thermal performance of medium-magnitude chemical heat storage material
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  • Device and method for testing thermal performance of medium-magnitude chemical heat storage material

Examples

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Embodiment 1

[0055] Take 50g of magnesium oxide, the material to be tested, to test the thermal performance of the heat storage material.

[0056] The performance test of the above materials adopts a medium-scale chemical heat storage material thermal performance testing device, which includes a medium-scale reaction chamber 1, a steam input pipe 3, a steam output pipe 4, a humidity test chamber 5, and a temperature test chamber 6 ; The medium-volume reaction chamber 1 includes an outer cavity, an inner cavity is arranged in the outer cavity, a cavity is formed between the outer cavity and the inner cavity, and a heat exchange fluid is arranged in the cavity; One end of the humidity test chamber 5 extends into the medium volume reaction chamber 1, and a humidity sensing probe is arranged in the humidity test chamber 5; one end of the temperature test chamber 6 extends into the medium volume reaction chamber 1, and the temperature test chamber 6 is provided with a A temperature sensing prob...

Embodiment 2

[0063] This embodiment adopts the same testing device as that of Embodiment 1.

[0064] The test material is magnesium oxide, and the mass of the test material is 30g.

[0065] Open the data receiver. The initial condition of the magnesium oxide reaction is 100°C, the temperature of the heat source is set at 100°C, the steam temperature is set at 100°C, and the flow rate is 5ml / min. Open the valve, and the thermal fluid of the high-temperature heat source is passed into the reaction chamber through the heat exchange fluid inlet, and then flows out through the heat exchange fluid outlet, and is collected in the heat exchange fluid collector. Keep at 100°C, ready for the introduction of water vapor.

[0066] After the temperature of the medium-scale reaction chamber is constant, turn on the steam source and gradually adjust the steam temperature to 150°C. After stabilization, open the valve and pass it into the reaction chamber through the steam input pipe. The reaction chambe...

Embodiment 3

[0069] This embodiment adopts the same testing device as that of Embodiment 1.

[0070] The test material is magnesium oxide, and the mass of the test material is 150g.

[0071] Open the data receiver. The initial condition of the magnesium oxide reaction is 200°C, the temperature of the heat source is set at 200°C, the steam temperature is set at 200°C, and the flow rate is 5ml / min. Open the valve, and the thermal fluid of the high-temperature heat source is passed into the reaction chamber through the heat exchange fluid inlet, and then flows out through the heat exchange fluid outlet, and is collected in the heat exchange fluid collector. Keep it at around 200°C, ready for the introduction of water vapor.

[0072] After the temperature of the medium-volume reaction chamber is constant, turn on the steam source and gradually adjust the steam temperature to 200°C. After stabilization, open the valve and pass it into the reaction chamber through the steam input pipe. The rea...

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Abstract

The invention relates to the field of thermal performance testing of heat storage materials, and discloses a device and a method for testing thermal performance of a medium-order chemical heat storage material, the testing device comprises a medium-order reaction cabin, a steam input pipeline, a steam output pipeline, a humidity testing cavity and a temperature testing cavity; a cavity is formed between the outer cavity and the inner cavity, and heat exchange fluid is arranged in the cavity; one end of the humidity testing cavity and one end of the temperature testing cavity extend into the medium reaction cabin, a humidity sensing probe is arranged in the humidity testing cavity, and a temperature sensing probe is arranged in the temperature testing cavity; one end of the steam input pipeline is connected with a steam source, and the other end extends into the medium reaction cabin; one end of the steam output pipeline is connected with the excess steam collector, and the other end extends into the medium reaction cabin; and the humidity test sensing probe is connected with the data receiving end. The device effectively solves the problem that a trace enthalpy test can only be carried out through an experiment table or an engineering test, and has the advantages of simplicity in operation and low cost.

Description

technical field [0001] The invention belongs to the field of thermal performance testing of heat storage materials, and more particularly relates to a thermal performance testing device and method for middle-weight chemical heat storage materials. Background technique [0002] Heat storage technology is to store heat energy in a specific device when there is a surplus, and release it when needed or on occasion, which increasingly reflects its social benefits and sustainable significance under the dual-carbon policy. In principle, heat storage methods can be roughly divided into three types: sensible heat storage, phase change heat storage, and thermochemical heat storage. Due to the different heat storage methods, the heat storage density and heat storage temperature are also quite different. Can cover almost all applications from low temperature to high temperature range. Compared with the other two, thermochemical heat storage has an order of magnitude difference in heat ...

Claims

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Application Information

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IPC IPC(8): G01N25/20G01N33/00G01L1/22
CPCG01N25/20G01N33/00G01L1/22
Inventor 徐会金韩兴超
Owner SHANGHAI JIAO TONG UNIV
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