【正文】 ......................... 6 螺柱和螺母 ...................................................................................................... 7 法蘭 .................................................................................................................. 7 容器法蘭墊片 .................................................................................................. 7 拉桿、定距管 .................................................................................................. 7 鞍座 .................................................................................................................. 7 第四章 換熱器結(jié)構(gòu)型式選擇 .................................................................................................. 8 換熱器結(jié)構(gòu)型式的選擇 .............................................................................................. 8 前端管箱 ..................................................................................................................... 8 管束分程和分程隔板的布置 ..................................................................................... 9 管束分程 .......................................................................................................... 9 分程隔板的 布置 .............................................................................................. 9 換熱管 ....................................................................................................................... 10 換熱管的長度 ................................................................................................ 10 規(guī)格及尺寸偏差 ............................................................................................ 10 布管 ................................................................................................................ 10 布管限定圓 .................................................................................................... 11 管子與管板的連接 ................................................................................................... 12 管板與殼體的連接 ................................................................................................... 13 折流板和支持板 ....................................................................................................... 14 拉桿和定距管 ........................................................................................................... 15 防沖與導(dǎo)流 ............................................................................................................... 16 法蘭選擇 ................................................................................................................. 16 密封面型式 ................................................................................................ 16 管箱法蘭、 殼體法蘭、外頭蓋側(cè)法蘭和外頭蓋法蘭 .............................. 16 接管法蘭 ...................................................................................................... 17 墊片 .............................................................................................................. 17 支座的選擇 ............................................................................................................. 18 第五章 設(shè)計計算與強度校核 ................................................................................................ 20 III 殼體、管箱圓筒和外頭蓋圓筒的壁厚計算與校核 ............................................... 20 符號 ................................................................................................................ 20 殼體壁厚計算和校驗 .................................................................................... 20 管箱圓筒壁厚計算和校驗 ............................................................................ 21 外頭蓋圓筒壁厚計算和校驗 ........................................................................ 22 浮頭蓋封頭和管箱封頭厚度計算 ........................................................................... 23 管箱封頭厚度計算 ........................................................................................ 24 外頭蓋封頭計算 ............................................................................................ 25 管板計算與校核 ..................................................................................................... 26 管板的厚度計算 ............................................................................................ 26 浮頭式換熱器管板計算 ................................................................................ 27 管子與管板連接拉脫力的計算與校核 ........................................................ 28 螺栓計算與校核 ....................................................................................................... 29 螺栓載荷 ........................................................................................................ 29 螺栓面積 ........................................................................................................ 30 螺栓設(shè)計載荷 ................................................................................................ 30 法蘭的計算與校核 ................................................................................................... 30 接管開孔補強計算 ................................................................................................... 33 壓力實驗 ................................................................................................................... 35 殼體水壓試驗 ................................................................................................ 35 管程水壓 試驗壓力 ........................................................................................ 36 第六章 制造、檢驗和驗收 .................................................................................................... 37 總則 ........................................................................................................................... 37 浮頭式換熱器的制造 ............................................................................................... 37 封頭和管箱 ............................................................................................