NBT 47003.2-2009 固体料仓

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1、ICS23.020.10J74中华人民共和国行业标准NB/T47003.2—2009部分代替JB/T4735—1997固体料仓Silosforsolidmaterials2009-12-01发布2010-05-01实施中华人民共和国国家发展和改革委员会发布NB/T47003.2—2009目次前言·················································································································

2、················································II1范围·····························································································································································12规范性引用文件··········································

3、·······························································································13术语和定义·················································································································································24总则··········

4、···················································································································································35材料··············································································································

5、···············································76设计计算···················································································································································187钢制料仓的制造、检验与验收·············································

6、···································································468铝制料仓的制造、检验与验收················································································································52附录A（资料性附录）固体料仓的结构···············································

7、···················································55INB/T47003.2—2009前言JB/T4735共分为两个部分：——JB/T4735.1钢制焊接常压容器；——JB/T4735.2固体料仓。本部分为JB/T4735的第2部分，代替JB/T4735—1997中“圆筒形料仓”内容。本部分与JB/T4735—1997相比，主要变化如下：——修订了料仓的设计压力、设计温度、公称容积等的适用范围；——将料仓的安全系数由2.5修订为2.4；——增加了磨蚀裕量的规定；—

8、—扩大了Q235系列材料的使用范围；——将料仓的设计计算方法由“詹森（Janssen）方法”修改为“赖姆伯特（Reimebert）方法”；——撤消了图14-1d“锥顶悬挂式”的结构；——修改了14.19“环形支座”的内容；——增加铝制料仓的内容，包括铝材（第5章的5.7~5.11）、制造（第8章）；——将原标准中的“制造、检验与验收”分为：第7