【正文】 .................... 23 3. 煤氣的鼓風冷凝工段的工藝計算 .............................................................................. 24 集氣管的工藝計算 ........................................................................................................ 24 原始數(shù)據(jù) .................................................................................................................. 24 物料平衡 ................................................................................................................ 25 熱平衡 ...................................................................................................................... 27 兩段冷卻流程的橫管式煤氣初冷器的初步冷卻工藝計算及選型 ........................... 34 橫管式煤氣初冷器的物料衡算 ............................................................................... 34 進入橫管初冷器的物料組成 ................................................................................ 35 一段初冷器出口煤氣中水蒸汽的計算 ................................................................ 35 二段初冷器出口的物料衡算 ................................................................................ 36 橫管式煤氣初冷器的衡算 .................................................................................... 37 橫管式煤氣初冷器的冷卻水量的計算 ................................................................ 37 冷卻面積的計算及煤氣初冷器的選擇 ................................................................ 38 初冷器管板的拉脫力校核 .................................................................................. 41 機械化氨水澄清槽的工藝計算及選型 ...................................................................... 44 離心式煤氣鼓風機的工藝計算及選型 ...................................................................... 44 冷鼓風機的揚程 .................................................................................................... 44 鼓風機轉(zhuǎn)子所需功率 .......................................................................................... 45 鼓風機后煤氣溫度 t .............................................................................................. 46 2 電捕焦油器的選型 .................................................................................................... 47 兩極間的電位差 .................................................................................................... 48 焦油霧滴的運動時間 .......................................................................................... 49 沉淀極管數(shù)的確定 ................................................................................................ 50 煤氣在電捕焦油器沉淀極管內(nèi)的平均流速和平均停留時間 .......................... 50 電捕焦油器的電能消耗（兩臺并聯(lián)） .............................................................. 50 4 非工藝條件的選擇和設計 ........................................................................................ 51 土建設計條件 .................................................................................................................. 51 生產(chǎn)工藝流程圖 ...................................................................................................... 51 車間平面圖 .............................................................................................................. 51 設備一覽表 .............................................................................................................. 52 供電照明系統(tǒng) .................................................................................................................... 54 供電系統(tǒng)及用電要求 .............................................................................................. 54 用電設備平面布置圖 ............................................................................................ 54 避雷要求 .................................................................................................................. 54 儀表控制設計條件 ............................................................................................................. 54 控制方式 .................................................................................................................. 54 儀表控制條件 .......................................................................................................... 54 采暖通風條件 .................................................................................................................. 56 給排水設計條件 ................................................................................................................ 56 分析化驗設計條件 ............................................................................................................ 57 爆炸和火災危險場所等級 ................................................................................................ 58 車間人員一覽表 ................................................................................................................ 58 供汽設計條件 .................................................................................................................... 58 供汽方式 .................................................................................................................. 58 供汽條件 .................................................................................................................. 59 設備維修 .......................................................................................................................... 59 謝辭 ……………………………………………………………………………………………… ..60 參考文獻 ………………………………………………………………………………………… ..61 3 摘要 本設計任務為年產(chǎn) 120 萬噸冶金焦焦化廠鼓風冷凝階段的初步設計。 關(guān)鍵詞：鼓風，冷凝，煉焦，橫管初，鼓風工藝流程 4 ABSTRACT The task of design is the primary design of the congealed work segment of blasting in the coking plan that products metallurgical coke 1200 thousand ton. The design is divided into the abstract ,the introduction ,the literature summarizes,the research content and the technological design plan and the shaping,the coal gas drum wind condensation construction section process design, the nontechnological conditions choice and the design , the factory practical experience and certain technical improved, the reference parts etc