CN201850201U - 污水深度处理的组合系统 - Google Patents
污水深度处理的组合系统 Download PDFInfo
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- CN201850201U CN201850201U CN2010206022355U CN201020602235U CN201850201U CN 201850201 U CN201850201 U CN 201850201U CN 2010206022355 U CN2010206022355 U CN 2010206022355U CN 201020602235 U CN201020602235 U CN 201020602235U CN 201850201 U CN201850201 U CN 201850201U
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- filter
- advanced treatment
- wastewater
- combined
- sewage
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound 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- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound 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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
本实用新型涉及一种污水深度处理的组合系统，包括依次连通对污水进行过滤的曝气生物滤池、快滤池以及人工湿地。污水通过连续的流过曝气生物滤池、快滤池以及人工湿地，从而不仅能有效去除CODcr、BOD5、SS等污染物，相对于常规人工湿地工艺，还具备很强的硝化功能，具有很高的NH3-N去除效率；并且，通过曝气生物滤池及快滤池的双重过滤作用，保证污水进入人工湿地时，SS控制在10mg/L以内，能防止人工湿地堵塞，延长人工湿地的使用寿命。另外，还可以通过调节曝气系统的曝气量，可适应的水质可以为《城市污水厂污染物排放标准》（GB18918-2002）中一级标准、二级标准或三级标准甚至部分工业排放水水质。
Description
污水深度处理的组合系统
技术领域
[0001] 本实用新型涉及污水深度处理技术，更具体地说，涉及一种污水深度处理的组合 系统。
背景技术
[0002] 人类自拥有工业以来，就面临着水环境的破坏问题。近年随着经济的发展及人类 活动的加剧，水环境污染越来越严重，而水资源的短缺已经成为制约经济社会继续前进的 瓶颈之一。污水深度处理技术的研究，主要包括两方面的意义：一方面污水经过深度处理 后，各种污染物浓度进一步降低，可以减轻受纳水体的污染负荷；另一方面，污水经过深度 处理后，还可回用与景观、市政等用水，实现水资源的重复利用。因此，无论是对于受污染水 体的恢复，还是解决水资源短缺问题，污水深度处理技术的研究均有重要的现实意义。
[0003] 目前，污水深度处理方式包括物理、化学及生物法等多种方法。物理及化学方法中 如膜过滤、化学高级氧化等具有出水水质好的优点，但由于其投资及运行成本高，在对出水 水质没有特殊要求时一般不采用。人工湿地工艺完全模拟自然净化过程，主要通过湿地植 物根系吸收、根系附着微生物降解等作用，实现对污染物的去处，是一种低能耗、高净化效 率的环保型工艺，但是人工湿地工艺在运行过程中，对氨氮、总磷去除率不足等缺点，限制 了其大规模的推广应用。
实用新型内容
[0004] 本实用新型要解决的技术问题在于，提供一种可有效去除污水中的污染指标物质 的污水深度处理组合系统。
[0005] 本实用新型解决其技术问题所采用的技术方案是：构造一种污水深度处理的组合 系统，包括依次连通对污水进行过滤的曝气生物滤池、快滤池以及人工湿地。
[0006] 在本实用新型的污水深度处理的组合系统中，所述曝气生物滤池包括顶部开放的 生物滤池池体、设置在所述生物滤池池体内的生物填料承托层、设置在所述生物填料承托 层上的生物填料层、设置在所述生物填料承托层下侧的曝气系统以及分配室；
[0007] 在所述生物滤池池体的下部设有与所述分配室连通的污水进水管道；在所述生物 滤池池体的顶部外侧设有出水堰。
[0008] 在本实用新型的污水深度处理的组合系统中，所述生物滤池池体的顶部外侧还设 有高于所述出水堰的进水堰；所述进水堰通过所述污水进水管道与所述分配室连通。
[0009] 在本实用新型的污水深度处理的组合系统中，所述分配室还设有位于所述生物填 料承托层下侧的滤板以及长柄滤头。
[0010] 在本实用新型的污水深度处理的组合系统中，所述生物填料层为表面设有多孔结 构的聚苯乙烯小球填料层。
[0011] 在本实用新型的污水深度处理的组合系统中，所述快滤池包括顶部开放的快滤池 体、所述快滤池体的顶部外侧设置的进水槽、在所述快滤池体内设置的滤料承托层、在所述滤料承托层上设置的滤料层、所述快滤池体的中部位置设有排水槽；
[0012] 所述进水槽通过管道与所述曝气生物滤池连通；所述排水槽与所述快滤池体底部 连通，并设有出水管接口。
[0013] 在本实用新型的污水深度处理的组合系统中，所述滤料承托层下侧还设有滤板。
[0014] 在本实用新型的污水深度处理的组合系统中，所述人工湿地为垂直流人工湿地， 包括由上而下铺设的植物层、表面砂层、粘土层、以及活性砾石层；所述活性砾石层的底部 布置有分支布水管道；
[0015] 所述出水管接口连接有出水管，所述出水管与所述分支布水管道连通。
[0016] 在本实用新型的污水深度处理的组合系统中，所述垂直流人工湿地还设有积水 渠，所述积水渠连接设有出水管道，所述出水管道上设有出水控制阀门。
[0017] 在本实用新型的污水深度处理的组合系统中，所述曝气生物滤池和快滤池还设有 反冲管道。
[0018] 实施本实用新型具有以下有益效果：污水通过连续的流过曝气生物滤池、快滤池 以及人工湿地，从而不仅能有效去除CODcr、BOD5, SS等污染物，相对于常规人工湿地工艺， 还具备很强的硝化功能，具有很高的NH3-N去除效率；并且，通过曝气生物滤池及快滤池的 双重过滤作用，保证污水进入人工湿地时，SS控制在10mg/L以内，能防止人工湿地堵塞，延 长人工湿地的使用寿命。
[0019] 另外，还可以通过调节曝气系统的曝气量，可适应的水质可以为《城市污水厂污染 物排放标准》（GB18918-2002)中一级标准、二级标准或三级标准甚至部分工业排放水水质。
附图说明
[0020] 下面将结合附图及实施例对本实用新型作进一步说明，附图中：
[0021] 图1是本实用新型污水深度处理的组合系统的结构示意图。
具体实施方式
[0022] 如图1所示，本实用新型的污水深度处理的组合系统的第一实施例，包括曝气生 物滤池、快滤池以及人工湿地。其中，污水首先进入曝气生物滤池进行曝气生物过滤，曝气 生物滤池的出水进入快滤池进行快滤，快滤池的出水进入人工湿地进行过滤，最后排出。
[0023] 如图所示，该曝气生物滤池包括生物滤池池体。该生物滤池池体顶部开放，并且在 下部设有污水进水管道2，同时在顶部外侧设置出水堰9。进一步的，在生物滤池池体的顶 部外侧还可以设置进水堰1，通过污水进水管道2与生物滤池池体连通。该进水堰1侧壁的 高度应高于出水堰9。
[0024] 该生物滤池池体内设置有生物填料承托层7，在生物填料承托层7上设置有生物 填料层8，并且在生物填料承托层7下侧设置有曝气系统和分配室3。在本实施例中，该生 物填料层8为聚苯乙烯小球填料层，其表面设有多孔结构，以增加空隙率，提高过滤效果。
[0025] 曝气系统可包括设置在生物填料承托层7下侧的曝气管道6、以及为曝气管道6提 供空气的气源。通过气源提供空气，经过曝气管道6供入到生物填料层8，为生物填料层8 的微生物活动供应所需要的氧气。
[0026] 进一步的，在分配室3内的顶部安装有滤板5，并且在滤板5上安装有多个长柄滤头4，从而构成一个均勻的布水系统，能够有效防止过滤过程中出现的短流现象。
[0027] 进一步的，在分配室3的底部还设有反冲进水管11，用于对生物填料层8进行反冲 清洗。并且，在生物滤池池体的顶部还设有反冲排水堰10，用于排出反冲洗后的污水。
[0028] 如图所示，该快滤池通过管道连接至曝气生物滤池的出水堰9底部，以接入经曝 气生物滤池过滤处理的污水。在本实施例中，该快滤池采用“V”型滤池，包括顶部开放的快 滤池体。在快滤池体的顶部外设置有“V”型进水槽16，在快滤池体内设置有滤料承托层，在 该滤料承托层上设置的滤料层；并且，在快滤池体的中部位置设置排水槽，该排水槽与快滤 池底部连通，并设有出水管接口 17，使得经过滤料层过滤的污水可以汇集在快滤池底部，并 通过排水槽的出水管19排出。
[0029] 在本实施例中，该滤料承托层可以采用砾石承托层，而滤料层可以采用砂粒滤料 层，主要能够拦截曝气生物滤池中脱落的生物膜，并去除污水中的SS等，防止后续人工湿 地的堵塞即可。
[0030] 进一步的，该快滤池还设有反冲进水管21，连接至快滤池体底部的反冲进水管接 口 20，引入反冲水，对快滤池进行反冲冲洗，并通过反冲出水槽18排出反冲冲洗后的污水。 进一步的，该滤料层可以采用多格并联的布置方式，从而在一格进行反冲洗时，其他单元格 能够继续运行。
[0031] 如图所示，在滤料承托层的下侧还设有滤料滤板15，对污水进行进一步的过滤。
[0032] 在本实施例中，该人工湿地可以选择使用垂直流人工湿地，包括由上而下铺设的 表面砂层22、粘土层23、以及活性砾石层对。在表面砂层22还可以覆土栽种各种湿地景 观植物，如芦苇、薦草、凤眼莲等，形成植物层。如图所示，该活性砾石层M的底部布置有分 支布水管道25，该分支布水管道25与出水管19连通，接入经过快滤池过滤的污水，进行人 工湿地的过滤。该垂直流人工湿地的一侧还设有积水渠沈，该积水渠沈连接有出水管19 道，并在出水管19道上设置控制阀门27，从而可以将积水渠沈的污水进行排放。
[0033] 采用本系统进行污水深度处理时，污水首先进入进水堰1，通过连接在进水堰1上 的多根进水管进入分配室3 ；污水通过长柄滤头4后自下而上通过生物填料承托层7和聚 苯乙烯小球填料层，在此过程中供气系统工作，向曝气生物滤池中供应微生物活动所需要 的氧气，在填料拦截及微生物氧化作用下，污水中SS、NH3-N、C0Dcr等污染物不断被去除；处 理后的污水通过出水堰9流出曝气生物滤池。
[0034] 曝气生物滤池的出水经管道进入快滤池的“V”型进水槽16，通过“V”型进水槽16 的配水，污水平均分布在快滤池表面，并自上而下依次通过砂粒滤料层、砾石承托层、滤板 5，最后由出水槽流出快滤池。在此过程中，通过细小砂粒的过滤作用，进一步去除污水中的 SS及少量其他污染物。
[0035] 快滤池的出水通过人工湿地进水管进入垂直流人工湿地，在垂直流人工湿地底部 通过分支布水管道25均勻布水后，污水自下而上依次通过砾石层及粘土层23，在此过程中 利用湿地植物层根系的吸收及附着在根系上微生物的降解作用，去除大部分有机物；砾石 为活性钙成分，通过钙离子与磷酸根离子的化学沉淀反应去除污水中的磷酸根。最后，污水 进入人工湿地集水渠及出水控制阀流出系统。
[0036] 通过本污水深度处理的组合系统，不仅能有效去除C0Dcr、B0D5、SS等污染物，相对 于常规人工湿地工艺，还具备很强的硝化功能，具有很高的NH3-N去除效率；曝气生物滤池的设置，使得系统较一般人工湿地工艺有更强的抗冲击负荷能力，通过曝气量调节，系统可 适应的水质可以为《城市污水厂污染物排放标准》（GB18918-2002)中一级标准、二级标准 或三级标准甚至部分工业排放水水质；通过曝气生物滤池及快滤池的双重过滤作用，保证 污水进入人工湿地时，SS控制在10mg/L以内，能防止人工湿地堵塞，延长人工湿地处理系 统的使用寿命。
Claims (10)
1. 一种污水深度处理的组合系统，其特征在于，包括依次连通对污水进行过滤的曝气 生物滤池、快滤池以及人工湿地。
2.根据权利要求1所述的污水深度处理的组合系统，其特征在于，所述曝气生物滤池 包括顶部开放的生物滤池池体、设置在所述生物滤池池体内的生物填料承托层、设置在所 述生物填料承托层上的生物填料层、设置在所述生物填料承托层下侧的曝气系统以及分配 室；在所述生物滤池池体的下部设有与所述分配室连通的污水进水管道；在所述生物滤池 池体的顶部外侧设有出水堰。
3.根据权利要求2所述的污水深度处理的组合系统，其特征在于，所述生物滤池池体 的顶部外侧还设有高于所述出水堰的进水堰；所述进水堰通过所述污水进水管道与所述分 配室连通。
4.根据权利要求2或3所述的污水深度处理的组合系统，其特征在于，所述分配室还设 有位于所述生物填料承托层下侧的滤板以及长柄滤头。
5.根据权利要求2或3所述的污水深度处理的组合系统，其特征在于，所述生物填料层 为表面设有多孔结构的聚苯乙烯小球填料层。
6.根据权利要求1所述的污水深度处理的组合系统，其特征在于，所述快滤池包括顶 部开放的快滤池体、所述快滤池体的顶部外侧设置的进水槽、在所述快滤池体内设置的滤 料承托层、在所述滤料承托层上设置的滤料层、所述快滤池体的中部位置设有排水槽；所述进水槽通过管道与所述曝气生物滤池连通；所述排水槽与所述快滤池体底部连 通，并设有出水管接口。
7.根据权利要求6所述的污水深度处理的组合系统，其特征在于，所述滤料承托层下 侧还设有滤板。
8.根据权利要求6所述的污水深度处理的组合系统，其特征在于，所述人工湿地为垂 直流人工湿地，包括由上而下铺设的植物层、表面砂层、粘土层、以及活性砾石层；所述活性 砾石层的底部布置有分支布水管道；所述出水管接口连接有出水管，所述出水管与所述分支布水管道连通。
9.根据权利要求8所述的污水深度处理的组合系统，其特征在于，所述垂直流人工湿 地还设有积水渠，所述积水渠连接设有出水管道，所述出水管道上设有出水控制阀门。
10.根据权利要球1所述的污水深度处理的组合系统，其特征在于，所述曝气生物滤池 和快滤池还设有反冲管道。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249500A (zh) * | 2011-07-15 | 2011-11-23 | 中国科学院生态环境研究中心 | 一种城市污水处理厂尾水深度净化组合装置及操作方法 |
| CN102736641A (zh) * | 2011-09-23 | 2012-10-17 | 环境保护部华南环境科学研究所 | 一种对合流污水进行截污溢清的控制装置 |
| CN103043861A (zh) * | 2012-12-30 | 2013-04-17 | 惠州市保家环境工程有限公司 | 纺织污水处理方法 |
| CN103043865A (zh) * | 2013-01-08 | 2013-04-17 | 重庆大学 | 上向流曝气生物滤池—水平潜流人工湿地组合中水处理系统 |
| CN104878690A (zh) * | 2014-02-27 | 2015-09-02 | 湖南省交通科学研究院 | 桥面径流处理与应急系统 |
| CN105399206A (zh) * | 2015-12-29 | 2016-03-16 | 中电环保股份有限公司 | 一种组合式生物滤池装置 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249500A (zh) * | 2011-07-15 | 2011-11-23 | 中国科学院生态环境研究中心 | 一种城市污水处理厂尾水深度净化组合装置及操作方法 |
| CN102736641A (zh) * | 2011-09-23 | 2012-10-17 | 环境保护部华南环境科学研究所 | 一种对合流污水进行截污溢清的控制装置 |
| CN103043861A (zh) * | 2012-12-30 | 2013-04-17 | 惠州市保家环境工程有限公司 | 纺织污水处理方法 |
| CN103043865A (zh) * | 2013-01-08 | 2013-04-17 | 重庆大学 | 上向流曝气生物滤池—水平潜流人工湿地组合中水处理系统 |
| CN104878690A (zh) * | 2014-02-27 | 2015-09-02 | 湖南省交通科学研究院 | 桥面径流处理与应急系统 |
| CN105399206A (zh) * | 2015-12-29 | 2016-03-16 | 中电环保股份有限公司 | 一种组合式生物滤池装置 |
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