中国石油兰州石化分公司长庆乙烷制乙烯项目 环境影响报告书

目二零一八年十月.........................................................................................................................................1-1...........................................1-1.........................1-1.........................1-1................................................................................1-3................................................................................1-4.......................................................................1-5.........................................................................................1-6.........................................................................................1-6.........................................................................................1-6.........................................................................................1-6..........................................................................1-7.................................................................1-7.............................................................................1-8...................................................................................1-9.......................................................1-13........................................1-13.....................................1-18............................................................................1-22..............................................................................................1-22...........................................................................................1-24...........................................................................................1-24...........................................................................................1-26 2.2.2地层岩性...............................................................................................................2-82.3地质构造.............................................................................................................2-122.4水文、水资源.....................................................................................................2-132.5生态环境.............................................................................................................2-172.6气候、气象.........................................................................................................2-183社会环境概况................................................................................................................2-193.1行政区划和人口.................................................................................................2-193.2经济概况.............................................................................................................2-192.3.3交通.....................................................................................................................2-212.3.4文物古迹.............................................................................................................2-222.4区域规划概况................................................................................................................2-222.4.1陕西省相关规划.................................................................................................2-222.4.2榆林市相关规划.................................................................................................2-232.4.3工业区相关规划.................................................................................................2-232.5环境功能区划................................................................................................................2-232.5.1大气环境功能区划.............................................................................................2-242.5.2水环境功能区划.................................................................................................2-242.5.3噪声环境功能区划.............................................................................................2-272.5.4生态环境功能区划.............................................................................................2-272.6环境质量现状................................................................................................................2-272.6.1环境空气质量现状.............................................................................................2-272.6.2地下水质量现状.................................................................................................2-282.6.3地表水质量现状.................................................................................................2-292.6.4声环境质量现状.................................................................................................2-302.7区域污染源调查............................................................................................................2-312.7.1企业基本情况.....................................................................................................2-312.7.2现有污染源情况.................................................................................................2-313拟建项目工程概况....................................................................................................................3-1.............................................................................................................3-1..............................................................................................3-1.....................................................................................3-13.2.2工艺技术选择.......................................................................................................3-23.3项目组成..........................................................................................................................3-23.3.1拟建项目组成.......................................................................................................3-23.3.2依托工程...............................................................................................................3-93.4主要原辅材料和公用工程消耗......................................................................................3-93.4.1主要原辅材料消耗...............................................................................................3-9要公用工程消耗.............................................................................................3-12布置....................................................................................................................3-13织和定员............................................................................................................3-15度........................................................................................................................3-16术经济指标........................................................................................................3-16拟建项目工程分析....................................................................................................................4-1................................................................................................................4-14.2乙烯装置..........................................................................................................................4-34.2.1生产规模及产品方案...........................................................................................4-34.2.2原料和产品规格...................................................................................................4-34.2.3工艺技术及生产原理...........................................................................................4-64.2.4工艺流程简述.......................................................................................................4-6.2.5主要设备.............................................................................................................4-13.2.6原辅材料及公用工程消耗.................................................................................4-14.2.7平衡分析.............................................................................................................4-15.2.8主要污染源及污染物分析.................................................................................4-174.2.9污染物达标分析.................................................................................................4-234.2.10环保治理措施简述...........................................................................................4-234.3全密度聚乙烯装置........................................................................................................4-244.3.1生产规模及产品方案.........................................................................................4-244.3.2原料和产品规格.................................................................................................4-244.3.3工艺技术及生产原理.........................................................................................4-264.3.4工艺流程简述.....................................................................................................4-264.3.5主要设备.............................................................................................................4-324.3.6原辅材料及公用工程消耗.................................................................................4-334.3.7平衡分析.............................................................................................................4-344.3.8主要污染源及污染物分析.................................................................................4-354.3.9污染物达标分析.................................................................................................4-424.3.10环保治理措施简述...........................................................................................4-424.4高密度聚乙烯装置........................................................................................................4-444.4.1生产规模及产品方案.........................................................................................4-444.4.2原料和产品规格.................................................................................................4-444.4.3工艺技术及生产原理.........................................................................................4-464.4.4工艺流程简述.....................................................................................................4-474.4.5主要设备.............................................................................................................4-544.4.6原辅材料及公用工程消耗.................................................................................4-554.4.7平衡分析.............................................................................................................4-564.4.8主要污染源及污染物分析.................................................................................4-574.4.9污染物达标分析.................................................................................................4-634.4.10环保治理措施简述...........................................................................................4-63........................................................................................................4-644.5.1生产规模及产品方案.........................................................................................4-644.5.2原料和产品规格.................................................................................................4-654.5.3工艺技术及生产原理.........................................................................................4-674.5.4工艺流程简述.....................................................................................................4-674.5.5主要设备.............................................................................................................4-704.5.6原辅材料及公用工程消耗.................................................................................4-704.5.7平衡分析.............................................................................................................4-714.5.8主要污染源及污染物分析.................................................................................4-724.5.9污染物达标分析.................................................................................................4-764.5.10环保治理措施简述...........................................................................................4-764.6供热系统........................................................................................................................4-774.6.1蒸汽等级.............................................................................................................4-774.6.2全厂蒸汽平衡.....................................................................................................4-774.6.3供热系统工艺流程及自建必要性.....................................................................4-774.6.4主要设备.............................................................................................................4-824.6.5原辅材料及公用工程消耗.................................................................................4-844.6.6主要污染源及污染物分析.................................................................................4-864.7给排水............................................................................................................................4-914.7.1水源.....................................................................................................................4-914.7.2水平衡.................................................................................................................4-924.7.3给排水系统划分.................................................................................................4-954.7.4生产给水及消防水泵站.....................................................................................4-984.7.5循环水系统.........................................................................................................4-99化学水站...........................................................................................................4-101污水处理系统...................................................................................................4-105控系统...............................................................................................4-116统污染物...........................................................................................4-116....................................................................................................................4-119...........................................................................................................4-119空压站..............................................................................................................4-120火炬..................................................................................................................4-120中央化验室......................................................................................................4-122电力及通信......................................................................................................4-123维检修..............................................................................................................4-123其他..................................................................................................................4-124辅助设施污染源及污染物..............................................................................4-124环保治理措施简述..........................................................................................4-127运设施......................................................................................................................4-127全厂运输量.......................................................................................................4-127液体物料装卸...................................................................................................4-128液体物料储存...................................................................................................4-129化学品库及综合仓库.......................................................................................4-130聚合物包装和成品库.......................................................................................4-131煤储运...............................................................................................................4-131储运设施公用工程消耗...................................................................................4-132储运设施三废排放...........................................................................................4-132环保治理措施简述..........................................................................................4-133全厂性平衡分析........................................................................................................4-1361物料平衡.........................................................................................................4-1362水平衡.............................................................................................................4-1363蒸汽与凝液平衡.............................................................................................4-1374硫平衡.............................................................................................................4-1395燃料气平衡.....................................................................................................4-139全厂污染物汇总及分析............................................................................................4-142s2废气.................................................................................................................4-1523废水.................................................................................................................4-1524固体废物.........................................................................................................4-1525噪声.................................................................................................................4-152非正常工况分析........................................................................................................4-1671废气.................................................................................................................4-1672废水.................................................................................................................4-167达标排放分析............................................................................................................4-1671废气.................................................................................................................4-1672废水.................................................................................................................4-1683固体废物.........................................................................................................4-168污染物排放核算........................................................................................................4-1715清洁生产与循环经济................................................................................................................5-1.......................................................................................5-1..........................................................................................5-15.1.2产品清洁性分析...................................................................................................5-25.2工艺及装备先进性分析..................................................................................................5-35.2.1乙烯装置...............................................................................................................5-35.2.2全密度聚乙烯(FDPE)装置.............................................................................5-45.2.3高密度聚乙烯(HDPE)装置............................................................................5-6...............................5-75.3节能及节水措施分析......................................................................................................5-85.3.1节能措施分析.......................................................................................................5-8措施分析.....................................................................................................5-13水平分析........................................................................................................5-14指标核算及分析.........................................................................................5-14指标核算及分析.........................................................................................5-17物排放水平分析.........................................................................................5-18分析................................................................................................................5-19内部循环分析.............................................................................................5-19循环分析.....................................................................................................5-195.6结论与建议....................................................................................................................5-205.6.1结论.....................................................................................................................5-205.6.2建议.....................................................................................................................5-206政策规划符合性及选址可行性分析.........................................................................................6-1..............................................................................................6-1..............................................................................................6-1...............................................................................6-16.2规划符合性分析.............................................................................................................6-56.2.1主体功能区规划分析...........................................................................................6-56.2.2生态红线符合性分析...........................................................................................6-86.2.3城市总体规划分析...............................................................................................6-96.2.4土地利用规划分析...............................................................................................6-9林市国土空间综合规划.................................................................................6-10.6区域环境功能区划.............................................................................................6-11行业规划分析................................................................................................................6-116.3.2石化和化学工业发展规划(2016-2020年)...................................................6-12化产业调结构促转型.....................................................................................6-12划及规划环评符合性分析................................................................................6-13西榆横工业区总体规划及规划环评.............................................................6-13横工业园区概述.............................................................................................6-14与规划环评“三线一单”符合性分析............................................................6-196.4.4规划环评结论及审查意见符合性分析............................................................6-216.4.5园区集中供热与项目自建锅炉符合性分析....................................................6-236.5选址用地合理性分析....................................................................................................6-256.5.1区域位置优势明显，与城市功能区划相符.....................................................6-256.5.2区域资源丰富....................................................................................................6-256.5.3化工园区产业集聚，基础设施齐全................................................................6-266.5.4厂址用地矿产和古文物合理性........................................................................6-266.6小结................................................................................................................................6-26大气环境影响评价....................................................................................................................7-1..............................................................................................7-1...........................................................................................7-17.1.2特征因子补充监测...............................................................................................7-27.1.3达标规划...............................................................................................................7-87.2污染源调查......................................................................................................................7-8评价等级及范围............................................................................................................7-127.4大气环境影响预测与评价............................................................................................7-317.4.1预测内容.............................................................................................................7-317.4.2数据选取.............................................................................................................7-327.4.3正常排放环境影响分析.....................................................................................7-347.4.4非正常排放环境影响分析.................................................................................7-587.4.5大气环境防护距离.............................................................................................7-597.4.6对周围市区环境影响分析.................................................................................7-597.5卫生防护距离估算........................................................................................................7-607.6小结................................................................................................................................7-618地表水环境现状评价及环境影响分析.....................................................................................8-1.......................................................................................8-1........................................................................8-1.....................................................................8-18.2.2地表水质量现状调查评价..................................................................................8-38.3地表水环境影响分析.....................................................................................................8-88.3.1项目排水对地表水环境影响..............................................................................8-88.3.2项目取水对地表水环境影响..............................................................................8-88.4小结.................................................................................................................................8-99地下水环境影响分析及环境保护措施....................................................................................9-1..........................................................................................................9-1...........................................................................................9-19.1.2评价区水文地质特征..........................................................................................9-49.1.3厂区水文地质特征............................................................................................9-239.1.4厂区包气带特征................................................................................................9-279.2地下水开发利用情况...................................................................................................9-299.3地下水环境质量现状监测与评价