【正文】
............................................................................ 12 出四段氣體量及成分 ........................................................................................... 12 轉(zhuǎn)化器各段的熱量衡算 ............................................................................................... 14 轉(zhuǎn)化一段反應(yīng)熱量和出口溫度 ........................................................................... 14 轉(zhuǎn)化二段反應(yīng)熱量和出口溫度 ........................................................................... 16 武漢工程大學(xué)郵電與信息工程學(xué)院課程設(shè)計說明書 轉(zhuǎn)化三段反應(yīng)熱量和出口溫度 ........................................................................... 18 轉(zhuǎn)化四段反應(yīng)熱量和出口溫度 ........................................................................... 20 第四章 環(huán)境保護(hù)與治理建議 ................................................................................................ 24 三廢主要來源 .............................................................................................................. 24 廢氣 ...................................................................................................................... 24 廢水 ...................................................................................................................... 24 礦渣 ...................................................................................................................... 24 三廢處理方案 .............................................................................................................. 24 廢氣 ...................................................................................................................... 24 廢水 ...................................................................................................................... 25 廢渣 ...................................................................................................................... 25 設(shè)計小結(jié) .................................................................................................................................. 26 參考文獻(xiàn) .................................................................................................................................. 27 工藝流程圖 .............................................................................................................................. 28 武漢工程大學(xué)郵電與信息工程學(xué)院課程設(shè)計說明書 I 摘 要 本設(shè)計進(jìn)行 25 萬噸 H2SO4/年轉(zhuǎn)化系統(tǒng)工藝設(shè)計,根據(jù)進(jìn)口原料氣的組成,平衡曲線和最適溫度曲線以及催化劑的起燃溫度、使用溫度大致估計四段轉(zhuǎn)化過程的操作線,再畫出 X— T 平衡曲線和最適溫度曲線,根據(jù)操作線來進(jìn)行物料衡算和熱量衡算,如果設(shè)定值和實際計算值相差太大,需要用方差的方法重新設(shè)定操作曲線來計 算,直到設(shè)計值和計算值差不多,畫出硫酸工藝流程圖和一次轉(zhuǎn)化工段流程圖。 關(guān)鍵詞 :硫酸;轉(zhuǎn)化工藝;設(shè)計 武漢工程大學(xué)郵電與信息工程學(xué)院課程設(shè)計說明書 II Abstract The design of 250,000 tons H2SO4 of every year conversion system is in process design, according to the position of feed gas imports, balance curve , the optimum temperature curve ,catalyst lightoff temperature and the