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玻璃钢酱油罐设计数据案例

发表时间:2015-03-16 15:49【

 壳体计算

设计内压                                                                             (Pa) P 6000
设计外压                                                                             (Pa) Po 490
储液密度                                                                        (kg/m3) ρ 868
储罐内径                                                                             (m) D 3.5
腐蚀裕量                                                                           (mm) C2 1.6
基本风压                                                                             (Pa) Wo 400
设计温度下罐壁材料的许用应力                                   (MPa) [σ]t 157
常温下玻璃钢罐壁材料的许用应力                                          (MPa)            [σ]    157
风压高度变化系数  fi 1.38
罐壁材料负偏差                                                                (mm) C1s 0.60
罐顶材料负偏差                                                                (mm) C1r 0.60
焊接接头系数  φ 0.9
I圈罐壁板的实际高度hi(m) h1  h2  h3  h4  h5  h6 h7 h8 h9
5.50                
I圈罐顶板的当量高度Hei(m) He1  He2  He3  He4  He5  He6 He7 He8 He9
5.50 / / / / / / / /
储存介质时设计厚度       t1(mm) 2.82 / / / / / / / /
储存水时设计厚度           t2(mm) 1.31 / / / / / / / /
罐壁板最小名义厚度            ti(mm)    6                
顶层罐壁板的名义厚度                                                    (mm) tmin 6.00
罐壁筒体的当量高度                                                           (m) He 5.50
贮罐顶部呼吸阀负压                                                          (Pa)  q 588
罐壁筒体的临界压力                                                          (Pa) Pcr 39177
筒体设计外压                                                                     (Pa)     P0 1830

不设加强圈-----不设加强圈

加强圈数量 n 0
设置加强圈后,每段筒体的当量高度m) Le 5.50

罐顶计算

设计温度                                                                             (0C) t 40
罐顶材质                                          (碳钢:1,不锈钢:2   1
罐顶形式                                              (锥顶:1,拱顶:2   1
罐顶材料设计温度下的弹性模量 (MPa) Et 191750
罐顶起始角                                                                            (°) θ 15.00
罐顶计算厚度(包括附加量)                                        (mm) t 4.60
罐顶所需厚度t                                  (mm) t 6.10
罐顶名义厚度(mm) tn 6
**********锥顶计算**********
雪压载荷                                                                             (Pa) P' 250
罐顶设计外压                                                                      (Pa) Po 1200
拱顶起始角                              (°) 9.46 36.87 фo 15
**********拱顶计算**********
间隙                                      (mm)  a 15
扇形顶板个数 n 7.3 12
中心板直径                                                                        (mm) Lo 1500
拱顶半径                                                                            (mm) Rn 4200
展开长度                                                                            (mm) L1 1085
大头展开半径                                                                    (mm) R1 1905
小头展开半径                                                                    (mm) R2 710
大头弦长                                                                            (mm) L2 939
小头弦长                                                                           (mm) L3 401
大头弧长                                                                           (mm) l1 949
小头弧长                                                                           (mm) l2 407
拱顶高度                                                                           (mm) h 388
拱顶起始角                                                                            (°) фo 24.40
扇形顶板重量                                                                     (Kg)  G扇形顶板 34.14
中心顶板重量                                                                     (Kg) G中心顶板 83.23
罐壁筒体的临界压力                                                          (Pa) Pcr 15697
筒体设计外压  P0 1830

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