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搪玻璃反应釜的温度压力和壁厚的关系

  搪玻璃反应釜的压力,分为搪瓷反应釜夹套内压力和搪瓷反应釜,罐内压力,,夹套内的压力,也就是蒸汽压力,温度越高夹套内蒸汽压力越大,壁厚也就越大,有些小厂为了节约成本偷工减料,钢板厚度采用零界限,甚至负偏差,搪瓷的厚度也是偏薄,扰乱市场价格!

 0.8*2200/(2*122*0.85-0.8)=8.5                                          

同理假设&n=16取&e=16-0.3=15.7 2780/2232=1.245  2228/15.7=141.9 &n=14(假设筒体名义厚度)&e=14-0.3=13.7(腐蚀余量忽略)                      

 再查表GB150.3 A=1.24 B=952000+(2*14)=2228         95/141.9=0.66>0.5

所以钢板厚度取16MM符合设计标准的 2200/4/3=2780 2780/2228 =1.25     2228/13.7 =162.6 查表取较高温度200摄氏度,A=4.69  B=65 (这个查表数据只能百分之90的对应上) 65/162.6=0.4《0.5  所以取14MM不可行;

以上是搪瓷反应釜的内壁厚度举例说明!

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