年产20万吨二甲醚项目可行性报告(最新).docx

目 录第一章 总论·······················································1-11.1 项目概况······················································11.2 设计依据······················································11.3 工艺特点······················································11.4 产品方案······················································1第二章 厂址选择···················································2-32.1 选择原则······················································22.2 厂址选择及优势陈述············································3第三章 工艺说明··················································3-113.1 工艺方案的选择与比较··········································33.2 本项目工艺说明················································63.3 流程模拟说明··················································6第四章 原料、辅助材料采购与产品营销······························11-124.1 原料及辅助材料采购···········································114.2 主要产品标准·················································12第五章 物料衡算与能量衡算·······································12-235.1 概述·························································125.2 全局物料衡算·················································125.3 全局能量衡算·················································205.4 操作单元物料横算表及能量横算表·······························20第六章 装置布置·················································23-276.1 车间布置说明·················································23第七章 总图运输················································24-307.2 厂区组成·····················································247.3 布局说明·····················································247.4 建筑设计范围················································267.5 建筑设计与结构设计方案······································297.6 布局指标·····················································297.7 产品包装·····················································297.8 运输·························································30第八章 设备及维修说明··········································30-1078.1 塔设备设计及校核·············································358.2 换热器设计···················································518.3 产品储罐设计················································1058.4 设备选型一览表··············································1078.5 设备维修方案················································111第九章 自动控制··············································107-1119.1 自动水平和方案··············································1079.2 自动控制内容················································107第十章 电气电信··············································111-11210.1 设计范围···················································11110.2 设计标准规范···············································11110.3 设计原则···················································11110.4 供配电系统·················································11110.5 电信方案···················································112第十一章 公用工程及辅助设施··································112-11711.1 公用工程初步方案和原则确定·································11211.2 给排水工程·················································11211.3 供热·······················································11611.4 采用通风···················································117第十二章 消防设计专篇········································117-12112.1 危险性物质概述及其他物化性质··························11712.2 事故发生的可能性急危险性分析·······························11712.3 消防安全措施···············································1112.4 消防系统···················································121第十三章 环境保护专篇········································121-12713.1 建设地点环境状况···········································12113.2 编制依据及采用标准·········································12113.3 环境评价···················································12213.4 主要污染源及污染物·········································12613.5 环境保护措施···············································127第十四章 劳动安全卫士专篇····································127-12914.1 设计依据···················································12714.2 生产过程中危险有害因素分析·································12714.3 安全防范措施···············································12714.4 消防与急救·················································12814.5 工业卫生···················································129第十五章 工厂组织与劳动定员···································129-131第十六章 概算················································132--13716.1 投资估计···················································13216.2 财务评价···················································1371编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页 共1页第一章 总论1.1项目概况本项目为陕西省渭南市大荔国家级高科技工业园区新建以高气煤为原料年产20万吨二甲醚的生产项目。

项目总投资21.5亿，固定投资21.5亿，考虑到多方面因素干扰，建设预计期限为2年1.2 设计依据1、化工工程设计相关规定2、国家经济、建筑等相关政策3、2010年西北大学化工学院课程设计指导书1.3 工艺特点本厂以高气煤为原料，在多段绝热床中利用一步法合成二甲醚（DME）及副产物甲醇，收集足够甲醇作为副产品销售高气煤来源于本省及周边省市煤源基地，原料充足1.4 产品方案本厂产品主要有二甲醚、甲醇，并副产一定量的低压蒸汽产品名称本厂规格国家规定产量（万吨/年）单价（元/吨）二甲醚摩尔分率>0.991燃料级203650甲醇摩尔分率>0.999工业级6.52100蒸汽2.5MPa中压级200表 1-1 产品分析二甲醚、甲醇主要销售市场在以渭南为中心的关中地区，关中地区主要燃料依旧是煤及天然气，二甲醚作为新型节。