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一、全厂热平衡 I Heat balance全厂热平衡表 Mill heat balance table用、供汽部门Steam consuming & supplying departments 用、供汽参数及数量(t/h)Parameters and quantity of steam consumption & supply 9.4MPa 4909.81MPa 5401.27MPa 3201.27MPa 1950.686MPa 2700.686MPa 175用汽部门Steam Consuming Department1.年产90万吨桉木化学浆车间900,000t/a Eucalyptus Chemical Pulp Line2492092. 年产45万吨高档包装卡纸板工程450,000t/a High Grade Carton Board Line 211183. 年产45万吨高档文化纸工程450,000t/a high grade fine paper line71184.室外管网热损失(按4%计)Heat loss of outdoor pipe network (Calculated by 4%) 1118小计 Subtotal2884635.锅炉自用汽 Gas for Boiler606.CB100-8.83/1.27/0.686抽汽背压机4927. C50-8.83/0.686单抽凝汽机Single-extraction condensing equipment 2188. C50-8.83/0.686单抽凝汽机Single-extraction condensing equipment2189.减温器Attemperator(p=1.27MPa、t1/t2=320/195)26610.减温器Attemperator(p=0.686MPa、t1/t2=270/17548611.站内管道热损失(按3%计)Heat loss of pipe in the station (Calculated by 3%)1614合计 Total 508450266288486523供汽部门Steam Supplying Department1.碱回收锅炉518t/hAlkali recovery boiler 518t/h 5182.动力锅炉220t/hPower boiler 220t/h 2203.动力锅炉220t/hPower boiler 220t/h2204.CB100-8.83/1.27/0.686抽汽背压机2662265. C50-8.83/0.686单抽凝汽机Single-extraction condensing equipment1306. C50-8.83/0.686单抽凝汽机Single-extraction condensing equipment 1307.减温器 Attemperator(p=1.27MPa、t1/t2=320/195)2888.减温器Attemperator(p=0.686MPa、t1/t2=270/175)523 合 计 Total 518440266288486523 平 衡 合 计Balance calculation+10-100000二、机炉选择 II Selection of turbine and boiler - 阶段1设2台54t/h燃油锅炉作为生产启动和备用热源,碱回收锅炉正常运行后,燃油锅炉基本停用。碱回收锅炉正常运行产汽量518t/h,压力9.4MPa,温度490,配100MW抽汽背压式汽轮发电机组,供热发电能力可以满足本阶段热电负荷需求。Two 54t/h fuel boilers will be installed as start-up and standby heat source, the fuel boilers will stop working when recovery boilers work normally. When recovery boiler works normally, of which evaporation is 518t/h, pressure is 9.4Mpa and temperature is 490, 100MW back pressure steam turbine will be installed, the heat and power supply capacity can meet the demand of steam and electricity in this stage.- 阶段2设2台220t/h燃煤循环流化床锅炉,配一台50MW单抽凝汽式汽轮发电机组,供热发电能力可以满足本阶段热电负荷需求。2台锅炉正常运行1台,另1台作为故障检修备用。Two 220t/h CFB coal-fired boilers will be installed with one 50MW extraction condensing turbine, the heat and power supply capacity can meet the demand of steam and electricity in this stage. One of two boilers is used normally, the other is for spare.- 阶段3设1台220t/h燃煤循环流化床锅炉,配一台50MW单抽凝汽式汽轮发电机组,供热发电能力可以满足本阶段热电负荷需求。One 220t/h CFB coal-fired boilers will be installed with one 50MW extraction condensing turbine, the heat and power supply capacity can meet the demand of steam and electricity in this stage.项目全部建成后,热电厂配置为4炉3机(含碱回收锅炉),其中1台燃煤锅炉作为检修备用。总外供汽量751t/h,总外供电量151.21MW,可以满足全厂热电负荷需求。When project is finished, there will be four boilers and three turbines(including recovery boiler) in thermal power plant, one fuel boiler of which is for spare. Total steam supply from outside is 751t/h, total power supply from outside is 151.21MW,which could meet the demand of steam and electricity of whole mill.三、环境评价所需资料III Materials for Environment Assessment 1. 详细的环保投资 Detailed investment in environmental protection 环保投资情况(见表1)Investment in environmental protection (Refer to Table I) 运行费用 Operating cost 环保设施年运行费用情况: 大气污染治理设施运转费; 固体废弃物治理设施运转费用。Annual operating cost of the environmental facilities: Operating cost of the facility for air pollution treatment Operating cost of the facility for solid waste disposal 2. 热电站用水及废水排放情况 Water consumption and waste water discharge of power station 热电站用水情况(见表2)Water consumption of power station (Refer to Table II) 热电站废水排放情况(见表3)Waste water discharge of power station (Refer to Table III)表1 环保投资一览表 单位:万元Table I List of Investment in Environment Unit: RMB 10,000车间Plant项目Item内容Content投资Investment静电袋式除尘static bag dust removal 静电袋式除尘static bag dust removal脱硫 desulfuration 石灰石炉内脱硫desulfuration in lime kiln运输系统降尘dust falling of the transportation system 煤、石灰石破碎运输(布袋、通风)shredded transportation of coal and lime (bag and ventilation) 降噪noise abatement 减震垫、除噪垫等cushion, pad for noise abatement and so on 集气通风Air collecting and ventilation 风机、排气管等air fan, exhaust duct and so on 飞灰贮罐fly ash accumulator tank 粉煤灰收集运输collecting and transporting of pulverized fuel ash 减震降噪damping and noise abatement 控制高噪声设备high-noise control equipment 表2 热电站用水表Table II Water consumption list of power plant 项目Item 单位Unit 循环用水量Cycling water consumption 补充用水量Feed water consumption 最大值Maximum平均值Average最大值Maximum平均值Average 冷却水(循环冷却)Cooling water (circulation cooling) 1/h工业用水(给水、水处理)Process water (water supply and water treatment) 1/h耗水指标Water consumption indicator m3 (a GM) 表3 热电站废水排放情况一览表Table III Waste water discharge list of power plant废水项目Items 排放方式Way of discharge 排放量Discharge 主要污染因子Main pollution factors 处理方式Way of treatment 去向Destina
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