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2021-05-18
脉冲生物滤池的工作原理与工艺特征
脉冲生物滤池是在生物滴滤池的基础上发展的水处理技术属于普通生物滤池,普通生物滤池的配水系统采用间歇周期性排水,实现对污水净化处理。滴滤池起源于十九世纪的英国,至今已有100多年的应用历史,随着生物滤池工艺技术的发展,目前已形成普通生物滤池、高负荷生物滤池、曝气生物滤池等类型。脉冲生物滤池对集水布水系统、滤料种类、滤池通风供氧系统进行改进,提高污水处理效率。
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脉冲生物滤池的工作原理与工艺特征
Date﹕2021-05-18|Source:Eclear Environmental

脉冲生物滤池是在生物滴滤池的基础上发展的水处理技术属于普通生物滤池,普通生物滤池的配水系统采用间歇周期性排水,实现对污水净化处理。滴滤池起源于十九世纪的英国,至今已有100多年的应用历史,随着生物滤池工艺技术的发展,目前已形成普通生物滤池、高负荷生物滤池、曝气生物滤池等类型。脉冲生物滤池对集水布水系统、滤料种类、滤池通风供氧系统进行改进,提高污水处理效率。

脉冲生物滤池的工作原理与工艺特征

脉冲生物滤池(以下简称滤池)主体结构包括集水布水系统、池体、通风系统和排水系统;池体中填充滤料,目前滤池选用的滤料主要有:碎石、轻质聚丙烯滤料、生物陶粒滤料、火山岩滤料等。滤池布水系统脉冲实现方式采用自动虹吸装置、悬浮球开关或电磁阀,从经济方面考虑前两者应用较广泛;布水器一般采用穿孔布水管,布水口采用45度斜向上交错排列,布水时间根据处理水量与布水周期而定。

随工艺的改进,脉冲生物滤池对生活污水的处理效果可达到二级排放标准,污水需要经过预处理进入滤池,滤池出水需要额外水处理装置进行深度处理,目前缺氧/脉冲生物滤池/人工湿地工艺被广泛应用于农村生活污水的处理。

滤池具有:装置占地面积小、基建费用低、能耗低、运行维护成本少;易于建设、运行管理简单;处理效果好等特点。普通生物滤池经长期运行后会池顶会出现池蝇和气味,上层由于进水污染物浓度高会出现堵塞现象,本课题研究中通过改进池顶集水箱结构,并增加钢丝网罩,保证通风的前提下可有效防止蚊虫聚集。改变进水方式采用脉冲进水可以减少池顶堵塞现象的发生,通过控制营养的供给来制约微物的生长,降低生物量的浓度或用硝酸盐作为氮源也可以解决滤池的堵塞问题。

脉冲生物滤池的工作原理与工艺特征

上海羿清环保生产的生物滤池臭气处理设备能够有效处理恶臭气体,受到业内人士的一致好评。

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