【正文】 哈爾濱工業(yè)大學畢業(yè)設計（論文） I 循環(huán)流化床鍋爐論文設計 哈爾濱工業(yè)大學畢業(yè)設計（論文） II 摘要 循環(huán)流化床鍋爐是近幾十年發(fā)展起來的一種新型燃燒設備，其具有燃料適應性廣、有利于環(huán)保、負荷調節(jié)性好、燃燒熱強度大、爐內傳熱能力強等優(yōu)點。所以，其一經(jīng)推出就在世界范圍內得到了廣泛的應用。特別是在中國，循環(huán)流化床鍋爐技術在近幾十年取得了長足的進步。 本文系統(tǒng)的闡述了 10t/h 循環(huán)流化床的計算和設計過程，主要包括熱力計算、煙風阻力計算、鍋筒強度計算、鍋爐的結構設計。 通過對循環(huán)流化床方面的英文文獻的翻譯，了解了國外流化床研究方面的進展。 關鍵詞 循環(huán)流化床 ； 省煤器 ； 熱力計算 Abstract The CFB is the new bustion equipment which is developed in the recent years, it has the advantages of be widely adapt to fuels,be good for environment,load adjustment well,burning intensity is big,heat transfer is strong in the firebox and so ,it is widely applied in the in China,the technolog of CFB is made great progress in the recent years This paper fully discusses the calculation and design processe of CFB,mainly include thermal calculation,smoke resistance calculation ,strengthen calculation, and boiler structure. According to the transalation of the datas of CFB,I kown the development of CFB in foreign. Keywords CFB Superheatea economizer thermal calculation 哈爾濱工業(yè)大學畢業(yè)設計（論文） III 目錄 摘要 ...................................................................... I Abstract ................................................................. II 第 1 章 緒論 ............................................................... 1 課題背景 .......................................................................................................... 1 煤炭在我國經(jīng)濟的發(fā)展中占有主體作用 ............................................. 1 我國的能源結構亟待調整 ...................................................................... 1 我國的能源利用效率低，污染 嚴重 ..................................................... 2 循環(huán)流化床鍋爐簡介 ..................................................................................... 5 循環(huán)流化床流態(tài)化床料特點 ................................................................. 5 循環(huán)過程 ................................................................................................... 5 傳熱過程 ................................................................................................... 6 影響顆粒傳熱的主要因素 ...................................................................... 6 循環(huán)流化床的技術特點 .......................................................................... 6 循環(huán)流化床應用存在的問題 ................................................................. 7 本章小結 .......................................................................................................... 8 第 2 章 鍋爐設計方案 ....................................................... 9 鍋爐參數(shù) .......................................................................................................... 9 鍋爐工作參數(shù)要求 .................................................................................. 9 煤種參數(shù) ................................................................................................... 9 鍋爐的總體結構方案 ..................................................................................... 9 爐膛結構及其中受熱面的布置 ........................................................... 10 旋風分離器和回料裝置的結構設計 ................................................... 10 尾部煙道結構以及其中受熱面的布置 ............................................... 11 鍋筒、集箱以及管道的結構 ............................................................... 12 布風板的結構 ........................................................................................ 12 給煤裝置以及二次風系統(tǒng)的結構 ....................................................... 13 鍋爐的支撐以及樓梯的結構 ............................................................... 13 本章小結 ........................................................................................................ 13 第 3 章 鍋 爐的熱力計算及傳熱計算 .......................................... 14 鍋爐技術要求 ............................................................................................... 14 哈爾濱工業(yè)大學畢業(yè)設計（論文） IV 鍋爐運行要求 ........................................................................................ 14 煤種 ......................................................................................................... 14 熱力計算 ........................................................................................................ 14 空氣量、煙氣量計算 ............................................................................ 14 鍋爐的各項熱損失的選取 .................................................................... 15 煙氣特性計算 ........................................................................................ 16 煙氣焓溫表 ............................................................................................ 18 鍋爐熱平衡及燃料消耗量計算 ........................................................... 21 鍋爐結構幾何尺寸數(shù)據(jù) ........................................................................ 23 密相區(qū)出口煙溫計算 ............................................................................ 23 稀相區(qū)傳熱計算 .................................................................................... 24 鋼管省煤器結構 .................................................................................... 29 鋼管省煤器傳熱計算 .......................................................................... 30 鑄鐵省煤器結構 .................................................................................. 32 鑄鐵省煤器傳熱計算 .......................................................................... 34 熱力計算綜合表 .................................................................................. 35 本章小結 ........................................................................................................ 36 第 4 章 鍋爐煙風阻力計算 .................................................. 37 空氣動力計算 ............................................................................................... 37 布風板阻力計算 .................................................................................... 37 料層阻力計算 ........................................................................................ 38 煙氣阻力計算 ...............................