CN1004811B - 蓄热材料 - Google Patents

蓄热材料 Download PDF

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Publication number
CN1004811B
CN1004811B CN85106036.6A CN85106036A CN1004811B CN 1004811 B CN1004811 B CN 1004811B CN 85106036 A CN85106036 A CN 85106036A CN 1004811 B CN1004811 B CN 1004811B
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heat
add
sodium sulfate
present
urea
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CN85106036.6A
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CN85106036A (zh
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周云峰
温淑芝
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HARBIN SHIP ENGINEERING COLLEGE
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HARBIN SHIP ENGINEERING COLLEGE
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Abstract

一种用于存储和释放热能的蓄热材料,是由结晶碳酸钠(Na2CO3·10H2O)、结晶硫酸钠(Na2SO4·10H2O)、尿索、硫酸钾(K2SO4)、水和结晶剂组成,它具有良好的蓄热性能,原料易取,成本低、无毒、无腐蚀性,生产时对环境不构成任何污染。产品可以数年循环使用。适用于各种温室冬季采暖,节约能源。

Description

蓄热材料
本发明属于一种存储和释放热能的蓄热材料。
在现有的,以结晶硫酸钠为主要成分的蓄热材料中,一般在20℃~24℃范围内存储和释放热能,消耗的结晶硫酸钠较多,成本高。
本发明的目的是制成一种既能降低成本,又能降低熔点,提高蓄热性能的蓄热材料。以适用于各种温室冬季采暖,节约能源。
本发明的构成是,结晶碳酸钠(Na2CO3.10H2O)、结晶硫酸钠(Na2SO4.10H2o)、尿素、硫酸钾(K2SO4)、水和氧化铝(Al2O3)或瓷土。
上述成分组成的蓄热材料在18℃~22℃范围内,可以储存或释放40卡/克以上的热量,使用温度在15℃~26℃范围内仍有10%左右的潜热可以利用。
下面是本发明的最佳配制方法:
(以下均为重量百分比)
取17.5%的蒸馏水,加热到50℃左右,将59.6%的结晶碳酸钠(Na2CO3.10H2O)分三次加入水中。第一次加入总量的二分之一,经搅拌溶解后加入余量的四分之三,再搅拌溶解后,将剩余部分全部加入,搅拌至溶解为透明状,将12.3%的尿素分两次加入该溶液中。溶解后加入8.85%左右的结晶硫酸钠(Na2SO4.10H2O)搅拌至溶解为透明状,再将1.75%粉沫状的硫酸钾(K2SO4)加入溶液中,搅拌至溶解为透明状。最后,在该透明溶液中加入180~200目的三氧化二铝(Al2O3)或瓷土,搅拌均匀后得到微浑浊的溶液,即为本发明的蓄热材料。
表一是本发明的原材料配比和溶解方法。
表一
表二是本发明的产品性能
表二
Figure 85106036_IMG2
碳酸钠比硫酸钠价格便宜,另外在同样量的水里,Na2CO3比Na2SO4熔解度高,蓄热性能高。从表一和表二中可以看出,本发明是以Na2CO3.10H2O为主要成分组成的蓄热材料,在18℃~22℃范围内能存储和释放40卡/克以上的热量。既能降低溶点,保证蓄热性能,又能降低成本。该蓄热材料无毒、无腐蚀性。生产时对环境不构成任何污染。产品可以数年循环使用。是各种温室冬季采暖,节约能源的理想产品。

Claims (9)

1、一种用于存储和释放热能并用于各种温室冬季采暖的蓄热材料,其特征在于它是由结晶碳酸钠(Na2CO3.10H2o)、结晶硫酸钠(Na2SO4.10H2o)、尿素、硫酸钾(k2SO4)、水、三氧化二铝或瓷土组成
其中:(以下均为重量百分比)
水 17.5%
结晶碳酸钠(Na2CO3.10H2o) 59.6%
结晶硫酸钠(Na2SO4.10H2o) 8.85%
尿素 12.3%
硫酸钾(K2SO4) 1.75%
2、如权利要求1所述的用于存储和释放热能并用于各种温室冬季采暖的蓄热材料,其特征在于本发明的配制方法为:(以下均为重量百分比)
取17.5%的蒸馏水,加热到50℃左右,将59.6%的结晶碳酸钠(Na2CO3.10H2O)分三次加入水中。第一次加入总量的二分之一,经搅拌溶解后加入余量的四分之三,再搅拌溶解后,将剩余部分全部加入,搅拌至溶解为透明状,将12.3%的尿素分两次加入该溶液中。溶解后加入8.85%左右的结晶硫酸钠(Na2SO4.10H2o)搅拌至溶解为透明状,再将1.75%粉沫状的硫酸钾(k2SO4)加入溶液中,搅拌至溶解为透明状。最后,在该透明溶液中加入180~200目的三氧化二铝(Al2O3)或瓷土,搅拌均匀得到微浑浊的溶液,即为本发明的蓄热材料。
CN85106036.6A 1985-08-13 1985-08-13 蓄热材料 Expired CN1004811B (zh)

Priority Applications (1)

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CN85106036.6A CN1004811B (zh) 1985-08-13 1985-08-13 蓄热材料

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CN1004811B true CN1004811B (zh) 1989-07-19

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1073613C (zh) * 1998-11-20 2001-10-24 商立军 一种相态变化吸热降温材料组合物及制备方法
CN1079108C (zh) * 1998-12-21 2002-02-13 中国科学院广州化学研究所 一种相变贮能复合材料
CN105001837A (zh) * 2015-07-16 2015-10-28 四川史丹福食品股份有限公司 一种制冷剂及其使用方法
CN106118607A (zh) * 2016-06-27 2016-11-16 林春梅 一种复合相变储能材料及其制备方法
CN107216862A (zh) * 2017-07-26 2017-09-29 北京中集精新相能科技有限公司 一种储能材料组合物及其制备工艺

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