大滞后可逆相变储能微胶囊在相变涂层中的应用研究

Application Research of Large Hysteresis Reversible Phase Change Energy Storage Microcapsules in Phase Change Coatings

采用大滞后可逆相变储能微胶囊在马口铁罐体上制备了相变涂层,并对罐体涂层进行传热及热滞后性能测试,探讨了在微胶囊制备过程中涂层厚度、苯乙烯-马来酸酐(SMA)含量、反应温度等参数对罐体涂层热性能的影响。结果表明:与空白相比,相变涂层具有更低的传热速率;在相同的升温和降温速率下,相变涂层对温度的上升与下降具有一定的延缓作用,具有明显的温度延迟现象;且涂层越厚,其热滞后效应更明显,保温储热效果更显著。

The delay reversible phase change microcapsule is first to add curing agent, additives,preparation phase change paint, spraying on tinplate tank, preparation phase change coatings, discusses the coating thickness, styrene-maleic anhydride(SMA) content, reaction temperature, different phase change energy storage phase change energy storage coating made of microcapsule emulsion and the influence of the thickness of the coating on tank temperature control behavior, and the phase change heat transfer performance of tank, thermal hysteresis performance and thermal regulation performance test.The results show that the phase change coating has a lower heat transfer rate than the blank.At the same rate of temperature rise and drop, the phase change coating has a certain effect on the temperature rise and fall, and has an obvious temperature delay.Moreover, the thicker coating, the more phase change microcapsules per unit area, the more obvious the thermal hysteresis effect and the more significant the heat preservation and storage effect.