CN110026079A - 一种土壤生物滤池耦合温室大棚的除臭技术 - Google Patents
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Abstract
本发明提供了一种土壤生物滤池耦合温室大棚的除臭技术,土壤生物滤池位于地下,温室大棚位于地上,土壤生物滤池设有风机、循环水池、布气管道、活性土壤介质、保温层、喷灌***及植被,温室大棚设有PLC控制***、温湿度传感器、排气孔。本发明结构合理,特别适宜用于寒冷地区,既保证了土壤层中微生物的活性,又提高了植被的存活率,解决了土壤生物滤池在冻土层地区使用的局限性。
Description
技术领域
本专利涉及废气处理领域,具体涉及一种土壤生物滤池耦合温室大棚的除臭技术。
背景技术
随着社会经济的不断发展,我国的污染问题越来越严重,特别是恶臭问题日益突出。恶臭气体主要来源于城市污水处理厂、垃圾填埋场、禽畜养殖场等场所。作为环境的公害之一,恶臭除了对人的嗅觉产生影响,引起心理厌恶等不愉快的感觉外,还会引起身体上的不适,如恶心、头痛、食欲不振、嗅觉失调、失眠,甚至情绪不稳定等。恶臭气体的成分较多,目前已知的恶臭气体种类有上万种,按气体的化学组分不同,可将其分成5类:一是含硫化合物,如硫化氢、二氧化硫、硫醇类、硫醚类;二是含氮化合物,如胺类、酰胺、吲哚类;三是卤素及衍生物,如氯气、卤代烃;四是烃类,如烷烃、烯烃、炔烃、芳香烃;五是含氧有机物,如醇、酚、醛、酮、有机酸等。经气相色谱检测,绝大多数恶臭气体的主要成分为氨和硫化氢。
目前,处理恶臭气体的方法有三大类,即物理法(掩蔽中和、稀释扩散、吸附)、化学法(化学洗涤、氧化、燃烧、吸收)、生物法(过滤、吸收、堆肥等)。物理法和化学法存在投资大、操作复杂、运行费用高等问题,生物除臭方法因其具有运行效率高、无二次污染、所需设备简单、便于操作、费用低廉和管理维护方便的特点,成为许多国家的研究热点,是恶臭治理的一个发展方向。
生物脱臭过程大致有如下3个阶段:1、恶臭成分的溶解过程,即臭气由气相转为液相;2、恶臭成分的水溶液通过微生物的细胞壁和细胞膜被微生物吸收,其速度接近一般化学反应的速度;3、臭气进入细胞后,在体内作为营养物质被微生物分解、利用。微生物将其转化成自身能源,变成细胞物质而繁殖,使臭气得以去除。
生物土壤法利用土壤中生存的微生物在臭气通过土壤时将其成分氧化分解。当臭气接触含有大量微生物的透气活性土壤层时,将微生物转化为二氧化碳和水及微生物细胞生物质,从而达到除臭目的。生物土壤滤池安装与厂区绿化带中并与绿化带有机结合布置,用于实现对污水处理厂产生的恶臭气体进行收集和处理。能够高效处理各种浓度、各种成分的恶臭气体,土壤滤池表面种植草坪与厂区绿化结合,以美化厂区环境。除臭装置可以根据实际情况间歇运行,随开随停。生物土壤除臭技术有着美观,除臭效果相对较好,运行稳定,管理简单,运行费用低等优点。
发明内容
本发明的目的是提供一种土壤生物滤池耦合温室大棚的除臭技术,解决了土壤生物滤池在冻土层地区使用的局限性,实现了臭气处理的达标排放。
实现上述目的,本发明采用以下技术方案。
一种土壤生物滤池耦合温室大棚的除臭技术,其特征在于,土壤生物滤池位于地下,温室大棚位于地上,土壤生物滤池设有风机、循环水池、布气管道、活性土壤介质、保温层、喷灌***及植被,温室大棚设有PLC控制柜、温湿度传感器、排气孔。
所述循环水池位于土壤生物滤池以下一米的位置,设有浮球液位计和循环水泵。
所述活性土壤介质中填充有陶粒、火山岩、树皮、石灰石和营养土,其中陶粒含量为20%~40%,火山岩为15%~30%,树皮为10%~20%,石灰石为2%~5%,营养土位于最表层,厚度为50cm。所述保温层位于土壤生物滤池***,保温层材料为聚氨酯泡沫。
所述温室大棚由不锈钢骨架和钢化玻璃组成。
所述浮球液位计、喷雾增湿***、温湿度传感器、排气孔均由PLC控制***控制。
与现有技术相比,本发明的一种土壤生物滤池耦合温室大棚的除臭技术的有益效果在于:1、无需外加热源,一方面微生物处理臭气为放热反应,另一方面臭气本身为热源,大大减少了能耗;2、地下保温层和地上温室大棚形成密闭***,减少热源流失;3、温室大棚大大提高了土壤生物滤池植被的存活率,增加了美观效果;4、PLC控制***使得该技术更加智能化,操作灵活性强、准确性高。
附图说明
图1是本发明的一种土壤生物滤池耦合温室大棚的除臭技术的结构示意图。
图中,1、风机,2、布气管道,3、土壤生物滤池,4、活性土壤介质,5、保温层,6、植被,7、喷灌***,8、温室大棚,9、排气孔,10、温湿度传感器,11、PLC控制***,12、循环水池,13、浮球液位计,14、循环水泵。
Claims (6)
1.一种土壤生物滤池耦合温室大棚的除臭技术,其特征在于,土壤生物滤池位于地下,温室大棚位于地上,土壤生物滤池设有风机、循环水池、布气管道、活性土壤介质、保温层、喷灌***及植被,温室大棚设有PLC控制柜、温湿度传感器、排气孔。
2.根据权利要求1所述的一种土壤生物滤池耦合温室大棚的除臭技术,其特征在于,所述循环水池位于土壤生物滤池以下一米的位置,设有浮球液位计和循环水泵。
3.根据权利要求1所述的一种土壤生物滤池耦合温室大棚的除臭技术,其特征在于,所述活性土壤介质中填充有陶粒、火山岩、树皮、石灰石和营养土,其中陶粒含量为20%~40%,火山岩为15%~30%,树皮为10%~20%,石灰石为2%~5%,营养土位于最表层,厚度为50cm。
4.根据权利要求1所述的一种土壤生物滤池耦合温室大棚的除臭技术,其特征在于,所述保温层位于土壤生物滤池***,保温层材料为聚氨酯泡沫。
5.根据权利要求1所述的一种土壤生物滤池耦合温室大棚的除臭技术,其特征在于,所述温室大棚由不锈钢骨架和钢化玻璃组成。
6.根据权利要求1所述的一种土壤生物滤池耦合温室大棚的除臭技术,其特征在于,所述浮球液位计、喷雾增湿***、温湿度传感器、排气孔均由PLC控制***控制。
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