CN204417247U - 混凝重力式纤维过滤装置 - Google Patents
混凝重力式纤维过滤装置 Download PDFInfo
- Publication number
- CN204417247U CN204417247U CN201420850703.9U CN201420850703U CN204417247U CN 204417247 U CN204417247 U CN 204417247U CN 201420850703 U CN201420850703 U CN 201420850703U CN 204417247 U CN204417247 U CN 204417247U
- Authority
- CN
- China
- Prior art keywords
- backwash
- fibre filter
- water
- chamber
- coagulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 49
- 230000015271 coagulation Effects 0.000 title claims abstract description 30
- 238000005345 coagulation Methods 0.000 title claims abstract description 30
- 230000005484 gravity Effects 0.000 title claims abstract description 16
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- 238000001914 filtration Methods 0.000 claims abstract description 36
- 238000010564 aerobic fermentation Methods 0.000 claims abstract description 22
- 239000000126 substance Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000010865 sewage Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000000703 anti-shock Effects 0.000 abstract description 2
- 238000011068 load Methods 0.000 abstract description 2
- 239000008400 supply water Substances 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 8
- 238000011001 backwashing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound 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Abstract
本装置属于污水处理装置领域，特别涉及一种混凝重力式纤维过滤装置，混凝池与熟化池之间设置底部相通的隔板，混凝池内设置搅拌装置，一侧设置进水管，进水管连通加药装置，过滤池内分别设置进水腔、过滤腔、产水腔和反洗排水腔，进水腔与熟化池相通，进水腔顶部设置进水阀门，过滤腔内部安装纤维过滤装置，纤维过滤装置顶部连接纤维束控制装置，纤维过滤装置内腔与产水腔相通，产水腔侧壁上设置出水口，纤维过滤装置外侧底部设置反洗曝气装置，反洗曝气装置均通过反洗空气管路连接风机，反洗排水腔上设置反洗排水阀门。本装置出水水质好，处理效果稳定，且抗冲击负荷强，药剂用量少，无需供水和反冲洗水泵能耗低。
Description
技术领域
[0001] 本实用新型涉及一种无需沉淀直接混凝反应过滤的混凝重力式纤维过滤装置，属于污水处理装置领域。
背景技术
[0002] 现有污水处理末端去除SS (悬浮物)和磷主要通过投加化学药剂混凝反应+沉淀+过滤来实现去除SS和化学除磷。由于过滤前必须经过沉淀才能进入过滤装置，因此其存在占地面积大、运行费用高、投资高等缺点。
实用新型内容
[0003] 本实用新型要解决的技术问题是:提供一种高效、低能耗、占地面积小、出水水质好、处理效果稳定，加药混凝后无需沉淀，直接通过重力式纤维过滤器过滤除SS和磷且可减少环境污染，方便维护的混凝重力式纤维过滤装置。
[0004] 本实用新型所述的混凝重力式纤维过滤装置，包括处理腔，处理腔包括混凝池、熟化池和过滤池，混凝池与熟化池之间设置底部相通的隔板，混凝池内设置搅拌装置，一侧设置进水管，进水管连通加药装置，过滤池内分别设置进水腔、过滤腔、产水腔和反洗排水腔，进水腔与熟化池相通，进水腔顶部设置进水阀门，过滤腔内部安装纤维过滤装置，纤维过滤装置顶部连接纤维束控制装置，纤维过滤装置内腔与产水腔相通，产水腔侧壁上设置出水口，纤维过滤装置外侧底部设置反洗曝气装置，反洗曝气装置均通过反洗空气管路连接风机，反洗排水腔上设置反洗排水阀门。
[0005] 混凝池采用机械搅拌混凝方式，进水加入无机金属盐药剂，在搅拌装置的作用下混合均匀，进入熟化池。其与污水中溶解性的盐类，如磷酸盐混合后，形成颗粒状、非溶解性的物质，这一过程是化学沉析过程。同时还进行着化学絮凝反应，随着沉析物的增加及较小的非溶解性固体物聚积成较大的非溶解性固体物，使稳定的胶体脱稳，通过速度梯度或扩散过程使脱稳的胶体互相接触生成絮凝体。随后进入通过固一液分离部分一一重力式纤维过滤器得到净化除磷的目的。纤维过滤装置采用无泵结构，过滤层是通过在多孔板表面压紧丝状纤维束形成，可在重力作用下以小于30cm的水压进行过滤。纤维过滤属深层过滤，过滤精度可达几微米，SS去除效率可达到93.2%, BOD5去除效率可达到91.2%。系统运行一定时间后将自动反冲洗，反冲洗不需要反冲洗水泵，反冲洗水由临近过滤器的产水通过上升气流提升供给，通过放松纤维束和喷入具有强烈的剪切力可以振动纤维的反冲洗空气，以形成向上的强劲气流来完成反冲洗动作的执行，不但实现空气擦洗，同时依靠纤维丝的剧烈抖动形成的剪切力和相互之间的摩擦力将丝束表面的污物彻底冲洗干净，反冲洗效果好。纤维过滤装置滤元可采用进口 PP纤维丝，在弹性、韧性、耐磨性、化学稳定性、耐强酸、强碱、强氧化剂、耐生物降解等方面具有良好的性能。进水腔、过滤腔、产水腔和反洗排水腔的设置可有效利用空间。
[0006] 所述的反洗排水腔通过反洗循环管路依次连接循环水池和熟化池，反洗排水腔与循环水池之间设置反洗循环控制阀，循环水池与熟化池之间设置循环泵。可循环利用反冲洗水，节省资源，提高出水效率和质量。
[0007] 所述的纤维束控制装置包括气动执行机构，气动执行机构通过连接杆连接固定夹，固定夹连接纤维过滤装置的纤维束，进水阀门和反洗排水阀门分别通过连接杆连接气动执行机构，气动执行机构均通过支架安装在过滤池顶部，并分别通过压缩空气管路连接空气压缩机。结构简单紧凑，节省空间，容易实现。
[0008] 所述的加药装置包括加药泵，加药泵通过加药管连接进水管。结构简单，容易实现。
[0009] 所述的过滤腔内上部设置液位计。可根据过滤腔内的液位发出信号，以便控制反冲洗过程和产水过程的控制。
[0010] 另外，混凝重力式纤维过滤装置其布置形式可根据工艺要求及建设位置情况实现多种布置方式，一般多常用于圆柱形或方形、规则多边形形状进行全地下、半地下或地上方式进行修建；建设材料多为钢结构或钢筋混凝土，若能够达到强度要求及耐腐蚀要求也可选用其它材料进行建设。
[0011] 混凝重力式纤维过滤装置出水水质好，处理效果稳定，且抗冲击负荷强，药剂用量少，无需供水和反冲洗水泵能耗低。其加药泵、风机及空气压缩机配合全自动化控制系统，可实现水处理系统的全自动运行控制。
[0012] 本实用新型的有益效果是:
[0013] I)絮凝后，不需沉淀直接通过纤维过滤进行深层过滤，过滤精度可达几微米，可有效去除水中的磷和SS，出水质量好；
[0014] 2)过滤段不需要原水泵，利用自然水位差实现过滤，水头损失非常低；
[0015] 3)反冲洗时，无需反冲洗水泵，反冲洗水由临近过滤器的产水通过上升气流提升供给，处理单位污水的能耗低；
[0016] 4)抗冲击能力强，受气候、水量和水质变化影响小；
[0017] 5)部分反洗水循环回流，减少了药剂的投加量和排放水量，提高水的回收率；
[0018] 6)自动化程度高，运行管理方便，便于维护；
[0019] 7)可建成封闭式结构，减少臭气、噪声对周围环境的影响，视觉感官效果好；
[0020] 8)全部模块化结构，便于进行后期的改扩建；
附图说明
[0021] 图1是本实用新型的结构示意图。
[0022] 图中:1、进水管2、搅拌装置3、隔板4、混凝池5、熟化池6、进水腔7、循环泵
8、循环水池9、反洗循环控制阀10、反洗循环管路11、产水腔12、反洗曝气装置13、纤维过滤装置14、反洗排水腔15、固定夹16、进水阀门17、反洗排水阀门18、连接杆19、气动执行机构20、支架21、出水口 22、空气压缩机23、压缩空气管路24、反洗空气管路25、过滤腔26、液位计27、风机28、控制柜29、加药泵30、加药管。
具体实施方式
[0023] 下面结合附图对本实用新型做进一步描述:
[0024] 如图1所示，本实用新型所述的混凝重力式纤维过滤装置，包括处理腔，处理腔包括混凝池4、熟化池5和过滤池，混凝池4与熟化池5之间设置底部相通的隔板3，混凝池4内设置搅拌装置2，一侧设置进水管I，进水管I连通加药装置，过滤池内分别设置进水腔6、过滤腔25、产水腔11和反洗排水腔14，进水腔6与熟化池5相通，进水腔6顶部设置进水阀门16，过滤腔25内部安装纤维过滤装置13，纤维过滤装置13顶部连接纤维束控制装置，纤维过滤装置13内腔与产水腔11相通，产水腔11侧壁上设置出水口 21，纤维过滤装置13外侧底部设置反洗曝气装置12，反洗曝气装置12均通过反洗空气管路24连接风机27，反洗排水腔14上设置反洗排水阀门17。反洗排水腔14通过反洗循环管路10依次连接循环水池8和熟化池5，反洗排水腔14与循环水池8之间设置反洗循环控制阀9，循环水池8与熟化池5之间设置循环泵7。纤维束控制装置包括气动执行机构19，气动执行机构19通过连接杆18连接固定夹15，固定夹15连接纤维过滤装置13的纤维束，进水阀门16和反洗排水阀门17分别通过连接杆18连接气动执行机构19，气动执行机构19均通过支架20安装在过滤池顶部，并分别通过压缩空气管路23连接空气压缩机22。加药装置包括加药泵29，加药泵29通过加药管30连接进水管I。过滤腔25内上部设置液位计26。
[0025] 工作时，加药泵29、循环泵7、反洗循环控制阀9、液位计26及搅拌装置2均可连接控制柜28，通过对控制柜28的程序的设定，实现对上述部件的自动化控制。
[0026] 污水经进水管I进入混凝池4，加药泵29通过加药管30投加聚合药剂，经搅拌装置2搅拌混合后，进入熟化池5。过滤时，进水阀门16开启，纤维束控制装置使纤维过滤装置13的纤维束处于拉紧状态，反洗排水阀门17关闭。熟化池5出水先进入进水腔6，通过进水阀门16进入经过滤腔25，再经过纤维过滤装置13深度过滤后进入产水腔11后通过出水口 21排放或回用。过滤系统多模块设计，运行一段时间后，当阻力增大液位上升到设定液位时，液位计26发出反洗信号，反洗信号至控制柜28，控制柜28控制过滤池内进行气水反冲洗及水洗，使得纤维过滤单元截留的污物及时地清除。反洗时，进水阀门16关闭，纤维束控制装置使纤维过滤装置13的纤维束处于放松状态，反洗排水阀门17开启。开启风机27，通过反洗空气管路24和反洗曝气装置12将空气释放到过滤池中，通过纤维过滤装置13和喷入具有强烈的剪切力的可以振动纤维的反冲洗空气，以形成向上的强劲气流来完成反冲洗动作的执行，不但实现空气擦洗，同时依靠纤维过滤装置13的剧烈抖动形成的剪切力和相互之间的摩擦力将丝束表面的污物彻底冲洗干净，反冲洗效果好。反冲洗初期高浓度的反冲洗污水排到反洗排水腔14后排放。反冲洗后期，反洗循环控制阀9开启，低浓度的反冲洗污水通过反洗循环管路10排到循环水池8内，再通过循环泵7均匀泵到熟化池5，与原水混合进入过滤程序，实现药剂耗量和排水量的减少节约。反洗过程完成后，恢复到过滤状态。
Claims (5)
1.一种混凝重力式纤维过滤装置，其特征在于:包括处理腔，处理腔包括混凝池(4)、熟化池(5)和过滤池，混凝池⑷与熟化池(5)之间设置底部相通的隔板(3)，混凝池(4)内设置搅拌装置(2)，一侧设置进水管(1)，进水管(I)连通加药装置，过滤池内分别设置进水腔出)、过滤腔(25)、产水腔(11)和反洗排水腔(14)，进水腔(6)与熟化池(5)相通，进水腔(6)顶部设置进水阀门(16)，过滤腔(25)内部安装纤维过滤装置(13)，纤维过滤装置(13)顶部连接纤维束控制装置，纤维过滤装置(13)内腔与产水腔(11)相通，产水腔(11)侧壁上设置出水口(21)，纤维过滤装置(13)外侧底部设置反洗曝气装置(12)，反洗曝气装置(12)均通过反洗空气管路(24)连接风机(27)，反洗排水腔(14)上设置反洗排水阀门(17)。
2.根据权利要求1所述的混凝重力式纤维过滤装置，其特征在于:反洗排水腔(14)通过反洗循环管路(10)依次连接循环水池(8)和熟化池(5)，反洗排水腔(14)与循环水池(8)之间设置反洗循环控制阀(9)，循环水池(8)与熟化池(5)之间设置循环泵(7)。
3.根据权利要求1或2所述的混凝重力式纤维过滤装置，其特征在于:纤维束控制装置包括气动执行机构(19)，气动执行机构(19)通过连接杆(18)连接固定夹(15)，固定夹(15)连接纤维过滤装置(13)的纤维束，进水阀门(16)和反洗排水阀门(17)分别通过连接杆(18)连接气动执行机构(19)，气动执行机构(19)均通过支架(20)安装在过滤池顶部，并分别通过压缩空气管路(23)连接空气压缩机(22)。
4.根据权利要求3所述的混凝重力式纤维过滤装置，其特征在于:加药装置包括加药泵(29)，加药泵(29)通过加药管(30)连接进水管(I)»
5.根据权利要求1、2或4所述的混凝重力式纤维过滤装置，其特征在于:过滤腔(25)内上部设置液位计(26)。
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