【正文】 .............. 15 料漿汽提工藝流程 .................................................................................................... 17 離心干燥工藝流程 .................................................................................................... 17 懸浮聚合的具體操作 .......................................................................................................... 18 第 3 章 物料衡算 ........................................................................................................................... 20 物料衡算步驟 ..................................................................................................................... 20 各個設(shè)備物料衡算 .............................................................................................................. 23 R101（聚合釜）的物料衡算 ....................................................................................... 23 V102 出料儲槽物料衡算 ............................................................................................. 24 T101（汽提塔）的物料衡算 ....................................................................................... 25 C101（離心機）的物料衡算 ....................................................................................... 27 X101（氣流干燥）的物料衡算 ................................................................................... 28 X102（沸騰干燥器）的物料衡算 ............................................................................... 28 X103（包裝過程）的物料衡算 ................................................................................... 29 物料衡算總平衡 ................................................................................................................. 29 物料流程圖 ........................................................................................................................ 31 第 4 章 熱量衡算 ........................................................................................................................... 32 熱平衡方程 ........................................................................................................................ 32 聚合釜的熱量衡算 .............................................................................................................. 32 列管式換熱器熱量衡算 ....................................................................................................... 35 氣流干燥塔熱量衡算 .......................................................................................................... 36 空氣加熱器熱量衡算 .......................................................................................................... 39 第 5 章 設(shè)備工藝計算及選型 .......................................................................................................... 42 聚合釜的設(shè)計 ..................................................................................................................... 42 釜體的設(shè)計 ................................................................................................................ 42 攪拌裝置的設(shè)計 ......................................................................................................... 44 料漿排放槽的選型 .............................................................................................................. 44 離心機的設(shè)計 ..................................................................................................................... 44 武漢工程大學(xué) 本科 畢業(yè)設(shè)計 IV 第 6 章 安全與環(huán)保 ........................................................................................................................ 46 安全防火設(shè)計 ..................................................................................................................... 46 防火防爆 .................................................................................................................. 46 防毒 ......................................................................................................................... 48 安全防護 : ................................................................................................................. 49 環(huán)境保護 ............................................................................................................................ 49 廢水的治理 ............................................................................................................. 49 廢渣的治理： .......................................................................................................... 50 氯乙烯外逸： .......................................................................................................... 50 參考文獻 ......................................................................................................................................... 52 致 謝 ......................................................................................................................................... 53 附 錄 ......................................................................................................................................... 54 武漢工程大學(xué) 本科 畢業(yè)設(shè)計 1 第 1 章 概述 聚氯乙烯簡介 聚氯乙烯的理化性質(zhì) ⑴ 物理性質(zhì) 外觀：白色粉末 分子量： 40600~111600 密度： ~ mlg 表觀密度： ~ mlg 比熱容：（ 0~100℃ ）： ~ ? ?C??gJ 熱導(dǎo)率： ? ?KmW ? 折射率 ： ?nD 顆粒直徑： 緊密（ XJ）型： 30~100μ m 疏松（ SG）型： 60~150μ m 糊樹脂： ~2μ m 軟化點： 75~85℃ 熱分解點： 100℃開始降解出氯化氫 溶解性：不溶于水、汽油、酒精、氯乙烯；溶于酮類、酯類和氯烴類溶劑。 關(guān)鍵詞： 聚氯乙烯；懸浮聚合法；干燥包裝； 生產(chǎn)工藝 武漢工程大學(xué) 本科 畢業(yè)設(shè)計 II Abstract The design for an annual output of 50,000 tons of PVC dry polymerization processes of the preliminary design, the design documents from design specification and design drawings posed of two parts. In the design of brochures, a brief introduction of the PVC production status, trends, performance and the main purpose of the current PVC also introduced the four mon industrial polymer production metho