复合相变颗粒蓄热板材的制备及性能研究
发布时间：2018-11-14 11:10
【摘要】：采用真空吸附法制备了石蜡/膨胀珍珠岩复合相变材料,并对其进行表面膜覆处理,制得相变颗粒,再以定模压制的方法研制相变蓄热板材。对相变颗粒进行了最佳吸附比、DSC、FTIR以及耐久性测试,并对相变蓄热板材进行了稳态热响应测试。结果表明:经过表面膜覆后的相变颗粒具有很好的热物性、稳定性及耐久性,能有效地解决液态相变材料泄露问题;相变蓄热板材在外界冷热变化过程中蓄热和延迟现象明显,热惰性较强。
[Abstract]:The paraffin / expanded perlite composite phase change material was prepared by vacuum adsorption method. The phase change particles were prepared by coating the surface film, and then the phase change heat storage plate was prepared by pressing the fixed mold. The optimum adsorption ratio, DSC,FTIR and durability of phase change particles were tested, and the steady-state thermal response of phase change storage plate was tested. The results show that the phase change particles coated on the surface have good thermal properties, stability and durability, and can effectively solve the leakage problem of liquid phase change materials. The heat storage and delay phenomenon of phase change heat storage plate is obvious in the process of external cold and heat change, and the thermal inertia is strong.
【作者单位】： 河北工业大学能源与环境工程学院;河北工业大学土木工程学院;
【基金】：国家自然科学基金项目(51408184) 天津市自然科学基金项目(15JCQNJC07800) 河北省教育厅优秀青年基金资助项目(YQ2014005) 天津建委科技资助项目(2015-13)
【分类号】：TB34;TU599
[Abstract]:The paraffin / expanded perlite composite phase change material was prepared by vacuum adsorption method. The phase change particles were prepared by coating the surface film, and then the phase change heat storage plate was prepared by pressing the fixed mold. The optimum adsorption ratio, DSC,FTIR and durability of phase change particles were tested, and the steady-state thermal response of phase change storage plate was tested. The results show that the phase change particles coated on the surface have good thermal properties, stability and durability, and can effectively solve the leakage problem of liquid phase change materials. The heat storage and delay phenomenon of phase change heat storage plate is obvious in the process of external cold and heat change, and the thermal inertia is strong.
【作者单位】： 河北工业大学能源与环境工程学院;河北工业大学土木工程学院;
【基金】：国家自然科学基金项目(51408184) 天津市自然科学基金项目(15JCQNJC07800) 河北省教育厅优秀青年基金资助项目(YQ2014005) 天津建委科技资助项目(2015-13)
【分类号】：TB34;TU599
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