静态破碎剂的作用原理分析

:10096825(2008)26017602:20080416:(1968),,,,710021孙立新:针对静态破碎剂作用机理研究的重要性,列出了静态破碎剂的基本化学反应式,研究了反应过程中的物质转移及反应前后体积的变化,探讨了静态破碎剂反应放热随温度的变化关系,归纳了设计静态破碎剂研制方案时应遵循的原则:静态破碎剂,作用机理,氧化钙,膨胀压力:TU502.2:A,,,;,,,,,,,,,,,,,;,,1,,,:CaO+H2OCa(OH)2+64.8kJ,2,:1)CaO,;2),,CaO,,CaO,,,,,CaO,,,,,,,3CaO,Ca(OH)2CaO97.92%,CaO,CaO,,2~3,,,,:,,,CaO+H2OCa(OH)2+64.8kJ:16.764cm3,18.069cm3,33.056cm3;:3.2g/cm3~3.4g/cm3,1.0g/cm3,2.1g/cm3~2.3g/cm3,33.065cm3,16.764+18.069=34.833cm3,,,,,,,,,,,,,,,(,),,,CO2,,,1,3.2g/cm3~3.4g/cm3,,1(),,,4,,11/KH0fT/kJmol-1CaOH2OCa(OH)2QkJ/mol298.15-635.090-285.830-986.08565.165400-634.723-242.835-985.169107.611500-634.390-243.821-983.893105.682600-634.107-244.752-982.470103.611700-633.915-245.630-981.027101.482100,;176第34卷第26期2008年9月山西建筑SHANXIARCHITECTUREVol.34No.26Sep.2008:10096825(2008)26017702:20080401:(1974),,,,,215011李德英:针对民用建筑防排烟系统设计的重要性,提出了地下汽车库排风与排烟系统和高层民用建筑地上地下共用防烟楼梯间加压送风系统的几种设计方式,分析了各种方式的优缺点和适用性,以帮助工程技术人员在满足消防规范的前提下选择最佳方案:汽车库,排风,排烟,防烟楼梯,加压送风:TU998.1:A,,,,,1GB5006797()[1],2000m2,2000m2,2000m2,2000m2,,,,2%,,2000m2,0.5m2JGJ10098[3],,6/h,(2003)(),3m,;3m,3mDGJ08882000[1,2],6/h,,,3m,,3m,33.1不设诱导通风系统1)1:,,(),,,,,,,100,;,,,;,,,1,,,;5,:1),,,;2),;3),3,:[1]马志钢,王瑾.试论静态破碎剂及其性能改进[J].煤矿爆破,2002(1):45.[2]郭瑞平,杨永琦.静态破碎剂膨胀机理及可控性的研究[J].煤炭学报,1994,19(5):2324.[3]海智波,郝继笑.无声破碎剂在高强度混凝土局部破碎中的应用[J].山西建筑,2007,33(32):159160.AnalysisonthefunctioninglawofstaticcrackingagentSUNLixinAbstract:Accordingtotheimportanceoftheresearchofthefunctioninglawofstaticcrackingagent,itgivesthebasicchemicalreactionformulaofstaticcrackingagent,researchesmaterialtransferinthereactionprocessandthevolumechangebeforeandafterreaction,discussestherelationbetweentheheatamountreleasedbystaticcrackingagentreactionandtemperature,andsummarizestheprinciplesshouldbefollowedinthedesignplanofdevelopingstaticcrackingagent.Keywords:staticcrackingagent,functioninglaw,calciumoxide,expansionpressure177第34卷第26期2008年9月山西建筑SHANXIARCHITECTUREVol.34No.26Sep.2008