CN204474401U - 一种曝气/沉淀一体式活性污泥污水处理装置 - Google Patents
一种曝气/沉淀一体式活性污泥污水处理装置 Download PDFInfo
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- CN204474401U CN204474401U CN201520126831.3U CN201520126831U CN204474401U CN 204474401 U CN204474401 U CN 204474401U CN 201520126831 U CN201520126831 U CN 201520126831U CN 204474401 U CN204474401 U CN 204474401U
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- 239000010802 sludge Substances 0.000 title claims abstract description 19
- 238000001556 precipitation Methods 0.000 title claims abstract description 18
- 239000002699 waste material Substances 0.000 title claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000005452 bending Methods 0.000 claims abstract description 8
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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
本实用新型公开了一种曝气/沉淀一体式活性污泥污水处理装置，装置包括壳体，在所述壳体内设有两块上下分开布置的折弯隔板，所述两块折弯隔板将所述壳体内部空腔分隔为环流反应区、沉淀区和过滤单元，所述沉淀区位于所述过滤单元的上方在所述导流管内下方中间位置处设有曝气盘，所述曝气盘与一布气管连接；在所述环流反应区和所述沉淀区的上方连接处设有溢流口，下方设有回流缝；所述沉淀区的上部和所述过滤单元上部通过管路连接且管路上设有电磁阀A，所述沉淀区的上部通过管路还与所述过滤单元的底部连接且管路上设有电磁阀B。本装置具有，具有氧传质效率高、混合效果好、生化处理效率高、占地面积小的优点。
Description
技术领域
[0001] 本实用新型涉及污水处理技术领域，尤其涉及一种曝气/沉淀一体式活性污泥污水处理装置。
背景技术
[0002] 随着我国城市化、工业化进程的加速，人们面临的环境状况也越来越严峻。水资源的需求呈逐年增长、水资源被加速污染以及现有的处理设施对被污染水体不能完全有效处理等状况使“水危机”日趋严重。
[0003] 曝气/沉淀一体式活性污泥工艺因其处理效率高、占地面积小等特点，被广泛用于小区生活污水的处理及中水回用。但目前常用的一体式污水处理工艺普遍存在结构复杂、设备安装和操作维护不易、出水水质不稳定、建设成本较高等问题，影响到应用和推广。
实用新型内容
[0004] 本实用新型的目的在于克服现有技术的缺陷，提供一种曝气/沉淀一体式活性污泥污水处理装置，该装置具有，具有氧传质效率高、混合效果好、生化处理效率高、占地面积小的优点。
[0005] 本实用新型采用的技术方案是:
[0006] 一种曝气/沉淀一体式活性污泥污水处理装置，装置包括壳体，在所述壳体内设有两块上下分开布置的折弯隔板，所述两块折弯隔板将所述壳体内部空腔分隔为环流反应区、沉淀区和过滤单元，所述沉淀区位于所述过滤单元的上方；在所述环流反应区的内部装有两根并列设置的导流管，底部外分别设有进水管和排污口，在所述导流管内下方中间位置处设有曝气盘，所述曝气盘与一布气管连接；在所述环流反应区和所述沉淀区的上方连接处设有溢流口，下方设有回流缝；在所述过滤单元内装有过滤填料，上方外侧壁上设有反冲排水管，底部分别设有清水出管和进气口，所述沉淀区的上部和所述过滤单元上部通过管路连接且管路上设有电磁阀A，所述沉淀区的上部通过管路还与所述过滤单元的底部连接且管路上设有电磁阀B ;在所述反冲排水管上设有电磁阀C，在所述清水出管上设有电磁阀D ;所述布气管和所述进气口分别通过管路与空气发生装置连接，且管路上分别设置有电磁阀E和电磁阀F。
[0007] 进一步地，在所述沉淀区的顶部内侧设有一液位计，所述液位计、电磁A、电磁阀D、电磁阀E、电磁B、电磁阀C和电磁阀F均与一控制器连接。。
[0008] 进一步地，所述曝气盘呈喇叭形，与所述布气管的连接处设有止回阀。
[0009] 进一步地，所述曝气盘有托底、弧形多孔内壳和弧形多孔外壳组成，所述弧形多孔内壳上开孔的直径小于和弧形多孔外壳上开孔的直径。
[0010] 进一步地，所述曝气盘朝下布置，出气方向与污水流动方向相反。
[0011] 进一步地，所述导流管的下方开口呈喇叭形。
[0012] 进一步地，处于过滤状态时，所述电磁A、电磁阀D和电磁阀E保持开启，所述电磁B、电磁阀C和电磁阀F关闭；处于反冲洗状态时，所述电磁阀E、电磁B、电磁阀C和电磁阀F保持开启，所述电磁A和电磁阀D关闭。
[0013] 进一步地，在布气管和所述进气口分别与空气发生装置的连接管路上还设有气体流量A和气流流量计B。
[0014] 进一步地，所述所述过滤单元的过滤周期为10~13h，反冲洗时间为5~10min。
[0015] 进一步地，所述过滤填料为均质石英砂，粒径为1.3-1.4mm，厚度为800~1000mm。
[0016] 本实用新型的有益效果是:
[0017] 本实用新型简单，设计合理，集环流反应和沉淀过滤于一体，具有氧传质效率高、混合效果好、生化处理效率高、占地面积小的优点。
附图说明
[0018] 图1是本实用新型的结构示意图。
[0019] 图2是本实用新型中曝气盘结构示意图。
具体实施方式
[0020] 为了使本实用新型的目的及技术方案的优点更加清楚明白，以下结合附图及实例，对本实用新型进行进一步详细说明。
[0021] 如附图1和2所示，一种曝气/沉淀一体式活性污泥污水处理装置，装置包括壳体I。在所述壳体I内设有两块上下分开布置的折弯隔板2，所述两块折弯隔板2将所述壳体I内部空腔分隔为环流反应区3、沉淀区4和过滤单元5，所述沉淀区4位于所述过滤单元5的上方。在所述环流反应区3的内部装有两根并列设置的导流管6，底部外分别设有进水管7和排污口 8。在所述导流管6内下方中间位置处设有曝气盘9，所述曝气盘9与一布气管10连接。在所述环流反应区3和所述沉淀区4的上方连接处设有溢流口 11，下方设有回流缝12。在所述过滤单元5内装有过滤填料13，上方外侧壁上设有反冲排水管14，底部分别设有清水出管15和进气口 16。所述沉淀区4的上部和所述过滤单元5上部通过管路连接且管路上设有电磁阀A17。所述沉淀区4的上部通过管路还与所述过滤单元5的底部连接且管路上设有电磁阀B18。在所述反冲排水管14上设有电磁阀C19。在所述清水出管15上设有电磁阀D20。所述布气管10和所述进气口 16分别通过管路与空气发生装置连接，且管路上分别设置有电磁阀E21和电磁阀F22。
[0022] 进一步地，在所述沉淀区4的顶部内侧设有一液位计23，所述液位计23、电磁A17、电磁阀D20、电磁阀E21、电磁B18、电磁阀C19和电磁阀F22均与一控制器连接。当液位计23检测到沉淀区4内的液位持续处于高位时，自动进行过滤单元5的反冲洗。
[0023] 进一步地，所述曝气盘9呈喇叭形，与所述布气管10的连接处设有止回阀24，防止污水进入布气管10内，影响污水的曝气。
[0024] 进一步地，所述曝气盘9有托底9-1、弧形多孔内壳9-2和弧形多孔外壳9_3组成，所述弧形多孔内壳9-2上开孔的直径小于和弧形多孔外壳9-3上开孔的直径，两层涉及，可均匀气泡，提高污水曝气效果，同时方式曝气盘堵塞。
[0025] 进一步地，所述曝气盘9朝下布置，出气方向与污水流动方向相反，逆流与污水接触，并在污水带动下沿导流管6上移，提高曝气效果。
[0026] 进一步地，所述导流管6的下方开口呈喇叭形，利于进水管7加入的污水能快速进入到导流管6内进行曝气。
[0027] 进一步地，当处于过滤状态时，所述电磁A17、电磁阀D20和电磁阀E21保持开启，所述电磁B18、电磁阀C19和电磁阀F22关闭；当处于反冲洗状态时，所述电磁阀E21、电磁B18、电磁阀C19和电磁阀F22保持工作，所述电磁A17和电磁阀D20关闭，实现装置过滤和过滤单元的反冲洗。
[0028] 进一步地，在布气管和所述进气口 16分别与空气发生装置的连接管路上还设有气体流量A23和气流流量计B24，利于调整曝气强度和利用空气和水对过滤填料13的反冲洗效果。
[0029] 进一步地，所述所述过滤单元5的过滤周期为10~13h，反冲洗时间为5~10min。过滤周期短，反复利用沉淀区4内的清水进行过滤填料13反冲洗时，以造成沉淀区4的强烈扰动，使得单元进水浊度增加，从而影响过滤效果。过滤周期过长也会滤除清水的浊度会增加。反冲洗时间过短不利于过滤填料13内的物质冲洗干净。
[0030] 进一步地，所述过滤填料9为均质石英砂，粒径为1.3-1.4mm，厚度为800~1000mm，材料易于获取，且不会产生影响滤处水质的物质。
[0031] 本实用新型的工作方式为:
[0032] 污水和活性污泥自进水管7进入环流反应区3内，然后上升到导流筒6内，逆流喷出的空气泡接触，污水中的固体颗粒逐步形成絮凝体。在水流作用下，上升到环流反应区3顶部时，部分污水越过溢流口 11进入沉淀区4内，部分污水则在环流反应区3内往下运动，与新加入的污水一起再次进入导流管6内进行曝气。进入沉淀区4内时，水流速度变慢，絮凝体沉淀到沉淀区3底部，上方的清水则通过管路流入过滤单元5内。沉淀区4下方的物质从回流缝12回流到环流反应区3内，与新加入的污水再次进行曝气，环流反应区3内底部失去活性的污泥从排污口 8排出。清水经石英砂过滤填料13进行过滤后从清水出管15放出。当石英砂过滤填料13过滤能力降低，沉淀区4上方的清水会越积越高。当液位计23检测到液位长时间处于液位时，电磁A17和电磁阀D20关闭，电磁阀E21、电磁B18、电磁阀C19和电磁阀F22保持工作。由于沉淀区4位于过滤单元5的上方，存在压差，上方的清水沿着管路从过滤单元5底部回流至过滤单元5内对过滤填料13进行反冲洗，同时进气口 16通入的空气辅助进行气水反冲洗。反洗水从反冲排水管14排出。5~10min后，反冲洗节水。电磁A17和电磁阀D20开启，电磁阀B18和电磁阀F22关闭，开始过滤处理。
Claims (10)
1.一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:装置包括壳体(1)，在所述壳体(I)内设有两块上下分开布置的折弯隔板(2 )，所述两块折弯隔板(2 )将所述壳体Cl)内部空腔分隔为环流反应区(3)、沉淀区(4)和过滤单元(5)，所述沉淀区(4)位于所述过滤单元(5)的上方；在所述环流反应区(3)的内部装有两根并列设置的导流管(6)，底部外分别设有进水管(7)和排污口(8)，在所述导流管(6)内下方中间位置处设有曝气盘(9)，所述曝气盘(9)与一布气管(10)连接；在所述环流反应区(3)和所述沉淀区(4)的上方连接处设有溢流口( 11 )，下方设有回流缝(12 );在所述过滤单元(5 )内装有过滤填料(13 )，上方外侧壁上设有反冲排水管(14)，底部分别设有清水出管(15)和进气口( 16)，所述沉淀区(4)的上部和所述过滤单元(5)上部通过管路连接且管路上设有电磁阀A (17)，所述沉淀区(4)的上部通过管路还与所述过滤单元(5)的底部连接且管路上设有电磁阀B (18);在所述反冲排水管(14)上设有电磁阀C (19)，在所述清水出管(15)上设有电磁阀D (20);所述布气管(10)和所述进气口( 16)分别通过管路与空气发生装置连接，且管路上分别设置有电磁阀E (21)和电磁阀F (22)。
2.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:在所述沉淀区(4)的顶部内侧设有一液位计(23)，所述液位计(23)、电磁A (17)、电磁阀D (20)、电磁阀E (21)、电磁B (18)、电磁阀C (19)和电磁阀F (22)均与一控制器连接。
3.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:所述曝气盘(9)呈喇叭形，与所述布气管(10)的连接处设有止回阀(24)。
4.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:所述曝气盘(9)有托底(9-1)、弧形多孔内壳(9-2)和弧形多孔外壳(9-3)组成，所述弧形多孔内壳(9-2)上开孔的直径小于和弧形多孔外壳(9-3)上开孔的直径。
5.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:所述曝气盘(9)朝下布置，出气方向与污水流动方向相反。
6.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:所述导流管(6)的下方开口呈喇叭形。
7.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:当处于过滤状态时，所述电磁A (17)、电磁阀D (20)和电磁阀E (21)保持开启，所述电磁B (18)、电磁阀C (19)和电磁阀F (22)关闭；当处于反冲洗状态时，所述和电磁阀E(21)、电磁B (18)、电磁阀C (19)和电磁阀F (22)保持开启，所述电磁A (17)和电磁阀D(20)关闭。
8.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:在布气管和所述进气口( 16)分别与空气发生装置的连接管路上还设有气体流量A (23)和气流流量计B (24)。
9.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:所述所述过滤单元(5)的过滤周期为10~13h，反冲洗时间为5~10min。
10.根据权利要求1所述的一种曝气/沉淀一体式活性污泥污水处理装置，其特征在于:所述过滤填料(13)为均质石英砂，粒径为1.3-1.4mm，厚度为800~1000mm。
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