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    玻璃鋼醬油罐設計數據案例

    發表時間:2015-03-16 15:49【

     殼體計算

    設計內壓                                                                             (Pa) P 6000
    設計外壓                                                                             (Pa) Po 490
    儲液密度                                                                        (kg/m3) ρ 868
    儲罐內徑                                                                             (m) D 3.5
    腐蝕裕量                                                                           (mm) C2 1.6
    基本風壓                                                                             (Pa) Wo 400
    設計溫度下罐壁材料的許用應力                                   (MPa) [σ]t 157
    常溫下玻璃鋼罐壁材料的許用應力                                          (MPa)            [σ]    157
    風壓高度變化系數  fi 1.38
    罐壁材料負偏差                                                                (mm) C1s 0.60
    罐頂材料負偏差                                                                (mm) C1r 0.60
    焊接接頭系數  φ 0.9
    I圈罐壁板的實際高度hi(m) h1  h2  h3  h4  h5  h6 h7 h8 h9
    5.50                
    I圈罐頂板的當量高度Hei(m) He1  He2  He3  He4  He5  He6 He7 He8 He9
    5.50 / / / / / / / /
    儲存介質時設計厚度       t1(mm) 2.82 / / / / / / / /
    儲存水時設計厚度           t2(mm) 1.31 / / / / / / / /
    罐壁板最小名義厚度            ti(mm)    6                
    頂層罐壁板的名義厚度                                                    (mm) tmin 6.00
    罐壁筒體的當量高度                                                           (m) He 5.50
    貯罐頂部呼吸閥負壓                                                          (Pa)  q 588
    罐壁筒體的臨界壓力                                                          (Pa) Pcr 39177
    筒體設計外壓                                                                     (Pa)     P0 1830

    不設加強圈-----不設加強圈

    加強圈數量 n 0
    設置加強圈后,每段筒體的當量高度m) Le 5.50

    罐頂計算

    設計溫度                                                                             (0C) t 40
    罐頂材質                                          (碳鋼:1,不銹鋼:2   1
    罐頂形式                                              (錐頂:1,拱頂:2   1
    罐頂材料設計溫度下的彈性模量 (MPa) Et 191750
    罐頂起始角                                                                            (°) θ 15.00
    罐頂計算厚度(包括附加量)                                        (mm) t 4.60
    罐頂所需厚度t                                  (mm) t 6.10
    罐頂名義厚度(mm) tn 6
    **********錐頂計算**********
    雪壓載荷                                                                             (Pa) P' 250
    罐頂設計外壓                                                                      (Pa) Po 1200
    拱頂起始角                              (°) 9.46 36.87 фo 15
    **********拱頂計算**********
    間隙                                      (mm)  a 15
    扇形頂板個數 n 7.3 12
    中心板直徑                                                                        (mm) Lo 1500
    拱頂半徑                                                                            (mm) Rn 4200
    展開長度                                                                            (mm) L1 1085
    大頭展開半徑                                                                    (mm) R1 1905
    小頭展開半徑                                                                    (mm) R2 710
    大頭弦長                                                                            (mm) L2 939
    小頭弦長                                                                           (mm) L3 401
    大頭弧長                                                                           (mm) l1 949
    小頭弧長                                                                           (mm) l2 407
    拱頂高度                                                                           (mm) h 388
    拱頂起始角                                                                            (°) фo 24.40
    扇形頂板重量                                                                     (Kg)  G扇形頂板 34.14
    中心頂板重量                                                                     (Kg) G中心頂板 83.23
    罐壁筒體的臨界壓力                                                          (Pa) Pcr 15697
    筒體設計外壓  P0 1830

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