文档介绍：200T/D豆制品废水处理初步设计方案 设计单位:北京东江顺达科技有限公司单位地址:北京大兴区黄村工业园联系方式:010-56288234/5二零一五年八月六日目录一、项目建设必要性:·············································2二、设计概况:···················································2三、处理水量、进水质和排放标准:·································3四、编制依据、标准:·············································3五、设计原则:···················································41、污水处理设计原则·········································42、污泥处理设计原则·········································5六、处理工艺流程设计:···········································51、处理工艺的确定···········································52、工艺流程设计·············································73、工艺流程简述·············································7七、处理工艺设施及性能参数说明:·································9八、电气、仪表及自控设计:······································111、设计依据及技术规范······································112、设计原则················································123、导线电缆选型原则:·······································124、防雷接地:···············································13九、主要设备及部件配置清单:····································14十、方案总结:··················································15十一、售后服务承诺:············································15一、项目建设必要性:豆制品生产具有较好经济效益,但其生产过程中会产生大量的弱酸性高浓度有机废水,公司排放的豆制品生产废水会造成水体富营养化、缺氧、鱼虾绝迹、水质恶化、发臭,严重污染地表地下水。高浓度有机废水不治理会对环境造成严重危害,影响当地居民的生活质量和影响附近环境质量。为了公司可持续性的发展,公司领导要求对此污水进行彻底治理,使其达到相关标准后外排,建设一套新的废水治理工艺是控制污染的有效手段,也是公司总体规划的实施,并树立良好的企业形象,创造良好的投资环境和生产环境。同时,厂区废水处理厂的建设,也符合国家的发展规划和产业政策、以及地区社会、经济、环境协调发展规划。保护环境是我国的基本国策,保护水环境和生态环境,是实现社会、经济可持续发展的重要保证,并能改善居民的生活环境,提高生活质量,促进经济持续发展。因此建设50吨/天生产废水治理工程是十分必要的。二、设计概况:豆制品企业的废水主要来源于原料黄豆的浸豆、泡豆及压榨废水和冲洗废水,该废水有机物含量高,可生化性强,是污染环境的高浓度废水。废水的污染物大都为可降解有机物,—,废水的C∶N∶P平均为100∶∶,适合微生物的生长,对于该类型的废水的处理关键是选择合适的处理工艺和相关参数的合理设计是至关重要的。豆制品废水主要来源于洗豆水、泡豆水、浆渣分离水、压滤水、各生产工艺容器的洗涤水、地面冲洗水等。其中黄泔水CODCr高达20000~30000mg/L,泡豆水的CODCr4000~8000mg/L,其他废水CODCr相对较低。根据实际工程经验,豆制品废水处理易出现以下问题:①豆制品生产属于间歇生产方式,排水时间较集中,水量和水质很不均匀;②SS高达1000~1500mg/L,厌氧条件下易在废水表面形成浮渣层;③高浓度废水在厌氧处理过程中易酸化,使厌氧单元的处理效果恶化;④好氧阶段,采用活性污泥法处理,易产生污泥膨胀。三、处理水量、进水质和排放标准:(1