CN207371173U - 一种自清洗过滤水系统 - Google Patents
一种自清洗过滤水系统 Download PDFInfo
- Publication number
- CN207371173U CN207371173U CN201720969305.2U CN201720969305U CN207371173U CN 207371173 U CN207371173 U CN 207371173U CN 201720969305 U CN201720969305 U CN 201720969305U CN 207371173 U CN207371173 U CN 207371173U
- Authority
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- Prior art keywords
- water
- side wall
- filter membrane
- along
- cleaning filtering
- 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.)
- Expired - Fee Related
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- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound 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- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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Abstract
本实用新型涉及一种自清洗过滤水系统,包括进水池、连接进水池的清洗过滤池,进水池具有侧壁,且沿侧壁的上端面设有竖向挡板,清洗过滤池包括池底及沿池底边缘向上延伸的第一侧壁和第二侧壁,第一侧壁连接至第一出水口,第二侧壁的高度沿远离出水口一端逐渐降低并形成斜面,沿第二侧壁的上方设置的清洗机构,清洗机构包括覆于第二侧壁上边缘的滤膜、沿第二侧壁上边缘设置的两条轨道和沿轨道长度方向间隔设置、可滑动的两个刮泥装置,沿轨道上还滑动地设有反冲洗装置;本实用新型利用滤膜上表面连续清洗冲污,下表面间歇反冲防止堵塞技术,有效的保证了表面过滤连续进行,且截留的颗粒物有效与水分离,含水率低,便于清运处置。
Description
一种自清洗过滤水系统
技术领域
[0001] 本实用新型涉及水过滤的技术领域,具体涉及一种自清洗过滤水系统。
背景技术
[0002] 过滤是使污水通过颗粒滤料或其它多孔介质(如布、网、纤维束等),利用机械筛滤 作用、沉淀作用和接触絮凝作用截留水中的悬浮杂质,从而改善水质的方法。过滤除了对悬 浮物有去除作用外,对浊度、〇)DCr、BOT5、磷、重金属、细菌、病毒和其它物质也都有一定的去 除作用。它不仅能改善水质,防止管路堵塞,确保系统设备的安全可靠运行,而且在有些处 理工艺中,如造纸厂白水过滤,可以防止杂质进入影响产品质量。
[0003] 根据滤料截留的位置,过滤可分为表面过滤和深层过滤。表面过滤是指液体通过 一层隔膜(滤料)的机械筛滤,去除悬浮于液体中的颗粒物质。过滤器隔膜材料有金属织物、 以不同方式编织的滤布和多种合成材料,目前常用的如膜过滤、滤布滤池、精密过滤器等都 属于表面过滤。深层过滤是指固体颗粒被截留于过滤层介质内部的孔隙中,如活性砂滤池、 V型滤池、纤维滤池等,深层过滤介质为堆积介质,如砂、木炭、纤维和硅藻土等。
[0004]由于深层过滤不适于悬浮物高的原水,否则容易堵塞,反冲洗频繁,因此,表面过 滤适用范围更广、应用更多。以滤布滤池工艺为例,它具有过滤水头小、连续运行能耗低、土 建结构简单费用低、占地小且操作维护简单等优点。但表面过滤也同样面临随着过滤时间 的延长,过滤介质表面堆积的颗粒越来越多,过滤的渗透性将下降,这时必须停下来清洗或 更换过滤介质。
[0005]尽管现在己经开发出了带自动反冲洗功能的盘式过滤器或滚筒微滤机,但内部结 构复杂,对设备及自动化要求较高,维护管理麻烦。另外,有鉴于过滤单元在水处理中的重 要性,开发出了多级过滤,可以减少过滤时的堵塞问题,从而延长设备的运行时间,减少反 冲洗次数,但也增加了操作的复杂性。
[0006] 此外,自动反冲洗过滤器在反冲洗时,被截留的颗粒物是随着高压水流冲出来的, 因此,尽管进水中的杂质被从水中分离出来,但它最终又和水混在一起从排污管出来,还需 要其它方式才能实现有效的固液分离,把杂质最终分离出来。 实用新型内容
[0007] 过滤是水与废水处理中常用的一种方法,它要求速度快,效果好,且能耗低、维护 管理简单。针对现有过滤工艺反冲洗需要停止进水,不能连续过滤,或是可以自动反冲洗, 且连续进水,但设备结构复杂,成本高,以及后续截留污物需要其它方式才能彻底分离的情 况,本实用新型利用表面过滤原理,提供一种既能连续过滤,操作简单,反冲洗时也能连续 进水,不影响出水水质,而且截留颗粒物易于分离处理的过滤方法。 ’ _8]本实腦麵决上職糊翻財方勤吓:—种自清紐财雜,包括 进水管连接的进水池、连接所述进水池的出水口的清洗过滤池,所述进水管连接至 水池的底部,所述进水池具有侧壁,且沿所述侧壁的上端面竖向设有0型的挡板,所述挡板 的开口部分设为所述出水口,所述清洗过滤池由池底及沿所述池底边缘向上延伸的第一侧 壁、两个第二侧壁和第三侧壁连接而成,其中,两个所述第二侧壁的一端连接至所述出水 口,且所述第二侧壁的高度从连接出水口的一端向远离所述出水口一端逐渐降低,所述第 一侧壁和所述第三侧壁相对的设置在两个所述第二侧壁的两端之间,在所述第二侧壁上端 设置有清洗机构,所述清洗机构包括覆于所述第二侧壁上端之间的滤膜、沿所述第二侧壁 上端设置的两条轨道以及沿所述轨道长度方向间隔设置并可滑动的第一刮泥装置和第二 刮泥装置,沿所述轨道长度方向还滑动地设有用于冲洗所述滤膜下表面的反冲洗装置。
[0009] 本实用新型的有益效果是:利用滤膜上表面连续清洗冲污,下表面间歇反冲防止 堵塞技术,有效的保证了表面过滤连续进行,且截留的颗粒物有效与水分离,含水率低,便 于清运处置。
[0010] 在上述技术方案的基础上,本实用新型还可以做如下改进。
[0011] 进一步,所述滤膜的孔径在20〜100微米之间。
[0012] 采用上述进一步方案的有益效果是:滤膜将20〜100微米的杂质进行过滤。
[0013] 进一步,所述轨道沿所述第二侧壁的长度方向分为前后两截,所述第一刮泥装置 设在靠近所述出水口的轨道上,所述第二刮泥装置设置在远离所述出水口的轨道上。
[0014] 进一步,所述第一刮泥装置包括垂直于所述滤膜的方形构架,所述方形构架的两 侧边分别可滑动地设置在所述轨道上,所述方形构架的内侧设有滑槽,所述滑槽内设有刮 板,所述刮板的上边框设有一排第一喷水孔,所述第一喷水孔连接储水机构。
[0015] 进一步,所述刮板沿所述滑槽在垂直于所述滤膜的平面内可控地运动。
[0016] 进一步,所述第一喷水孔与滤膜7的表面呈30°角。
[0017] 采用上述进一步技术方案的有益效果:该第一刮泥装置结构简单,便于制造,同时 喷出的水呈面状防止某个部分冲刷不到。
[0018] 进一步,所述第二刮泥装置与所述第一刮泥装置结构相同,但所述刮板上边框不 设有所述第一喷水孔。
[0019]采用上述进一步技术方案的有益效果:与第一刮泥装置结构相同,便于制造。
[0020] 进一步,所述反冲洗装置包括多个第二喷水孔,所述第二喷水孔连接所述储水机 构,其喷水方向为垂直于所述滤膜的方向。
[0021]采用上述进一步技术方案的有益效果:冲刷滤膜的下表面。
[0022]进一步,所述第三侧壁的外侧设有连接至所述滤膜底部的储泥斗。
[0023]采用上述进一步技术方案的有益效果:滤膜上表面由两个刮泥装置刮过的杂质存 入储泥斗,便于集中清理。
附图说明
[0024]图1为本实用新型一种自清洗过滤系统的结构示意图;
[0025]图2为图1中第一刮泥装置的结构示意图。
具体实施方式
[0026]以下结合附图对本实用新型的原理和特征进行描述,所举实例只用于解释本实用 新型,并非用于限定本实用新型的范围。
[0027] 如图1所示,一种自清洗过滤水系统,包括与进水管1连接的进水池2、连接进水池2 的出水口 21的清洗过滤池3,进水管1连接至进水池2的底部,进水池2具有侧壁4,且沿侧壁4 的上端面竖向设有U型的挡板5,挡板5的开口部分设为出水口21,清洗过滤池3由池底31及 沿池底31边缘向上延伸的第一侧壁32、两个第二侧壁33和第三侧壁34连接而成,其中,两个 第二侧壁33的一端连接至出水口 21,且第二侧壁33的高度从连接出水口 21的一端向远离 出水口 21—端逐渐降低,第一侧壁32和第三侧壁34相对的设置在两个第二侧壁33的两端之 间,在第二侧壁33上端设置有清洗机构,清洗机构包括覆于第二侧壁33上端之间的滤膜7、 沿第二侧壁33上端设置的两条轨道8以及沿轨道8长度方向间隔设置并可滑动的第一刮泥 装置9和第二刮泥装置10,沿轨道8长度方向还滑动地设有用于冲洗滤膜7下表面的反冲洗 装置11,在清洗过滤池3的池底还设有排水管道13。废水的大部分悬浮颗粒物拦截,拦截的 污泥在水流冲刷力和两刮泥装置作用下,沿滤膜7表面逐渐进入储泥斗12中,通过滤膜7过 滤后的水进入清水池3中,再通过出水管道13排出,达到固液分离的效果。
[0028] 优选地,滤膜7的孔径在20〜100微米之间。
[0029]继续参见图1,轨道8沿第二侧壁33的长度方向分为前后两截,具体地,前后两截长 度比为1:1,第一刮泥装置9设在靠近出水口 21的轨道8上,第二刮泥装置10设置在远离出水 口 21的轨道8上。
[0030]结合图2,第一刮泥装置9包括垂直于滤膜7的方形构架91,方形构架91的两侧边 分别可滑动地设置在轨道8上,方形构架91的内侧设有滑槽92,滑槽92内设有刮板93,刮板 93的上边框设有一排第一喷水孔94,第一喷水孔94连接储水机构,储水机构可控制地进行 出水(其中,储水机构图中未示出)。
[0031]刮板93沿滑槽92在垂直于滤膜7的平面内可控地运动。刮板可沿移动滑槽上下移 动。在第一刮泥装置9沿轨道8向下运动的过程中刮板与滤膜7表面接触,将滤膜表面的污 泥向下刮动。在刮板的上方有一排出水喷孔94,喷出的水呈面状防止某些部分冲刷不到。 [0032] 优选地,喷水孔94出水形成的面与滤膜7的表面呈30°倾斜角。
[0033]第一刮泥装置9可将附着在滤膜7表面的污泥颗粒冲起,喷水能起到清洗作用,也 能有效的防止沉淀在滤膜上堆积引起堵塞,保证过水通量。刮板由电脑控制,当第一刮泥装 置9沿轨道8向上运动的时候,刮板41自动升起,不与滤膜7表面接触。
[0034] 第二刮泥装置10与第一刮泥装置9结构相同,但上边框不设有喷水孔。第二刮泥装 置10不喷水仅刮泥,该装置将第一刮泥装置9刮下来的泥继续向下刮动,保证污泥顺利进入 储泥斗12,也可防止进入储泥斗12的污泥含水率太高。
[0035] 反冲洗装置11包括多个第二喷水孔,第二喷水孔连接储水机构,其喷出的水为加 压溶气水,喷水方向为垂直于滤膜7的方向,使冲力达到最大。将附着在滤膜7上的杂质冲出 到滤膜7表面,然后在滤膜7上方第一、第二冲泥装置的作用下进入储泥斗12。另外,将反冲 洗装置11设置为在轨道10上来回移动,且与第一刮泥装置9和第二刮泥装置10互不影响。 [0036]以上仅为本实用新型的较佳实施例,并不用以限制本实用新型,凡在本实用新型 的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范 围之内。
Claims (9)
1. 一种自清洗过滤水系统,包括与进水管(1)连接的进水池(2)、连接所述进水池(2)的 出水口(21)的清洗过滤池(3),其特征在于,所述进水管(1)连接至所述进水池(2)的底部, 所述进水池⑵具有侧壁⑷,且沿所述侧壁⑷的上端面竖向设有U型的挡板(5),所述挡板 ⑸的开口部分设为所述出水口(21),所述清洗过滤池(3)由池底(31)及沿所述池底(31)边 缘向上延伸的第一侧壁(32)、两个第二侧壁(33)和第三侧壁(34)连接而成,其中,两个所述 第二侧壁(33)的一端连接至所述出水口(21),且所述第二侧壁(33)的高度从连接出水口 (21)的一端向远离所述出水口(21) —端逐渐降低,所述第一侧壁(32)和所述第三侧壁(34) 相对的设置在两个所述第二侧壁(33)的两端之间,在所述第二侧壁(33)上端设置有清洗机 构,所述清洗机构包括覆于所述第二侧壁(33)上端之间的滤膜(7)、沿所述第二侧壁(33)上 端设置的两条轨道⑻以及沿所述轨道(8)长度方向间隔设置并可滑动的第一刮泥装置(9) 和第二刮泥装置(10),沿所述轨道(8)长度方向还滑动地设有用于冲洗所述滤膜(7)下表面 的反冲洗装置(11)。
2. 根据权利要求1所述的自清洗过滤水系统,其特征在于,所述滤膜(7)的孔径在20〜 100微米之间。
3. 根据权利要求1所述的自清洗过滤水系统,其特征在于,所述轨道(8)沿所述第二侧 壁(33)的长度方向分为两截,所述第一刮泥装置(9)设在靠近所述出水口(21)的所述轨道 ⑻上,所述第二刮泥装置(10)设置在远离所述出水口(21)的所述轨道⑻上。
4. 根据权利要求1所述的自清洗过滤水系统,其特征在于,所述第一刮泥装置(9)包括 垂直于所述滤膜(7)的方形构架(91),所述方形构架(91)的两侧边分别可滑动地设置在所 述轨道(8)上,所述方形构架(91)的内侧设有滑槽(92),所述滑槽(92)内设有刮板(93),所 述刮板(93)的上边框设有一排第一喷水孔(94),所述第一喷水孔(94)连接储水机构。
5. 根据权利要求4所述的自清洗过滤水系统,其特征在于,所述刮板(93)沿所述滑槽 (92)在垂直于所述滤膜(7)的平面内可控地运动。
6. 根据权利要求4所述的自清洗过滤水系统,其特征在于,所述第一喷水孔(94)的喷水 方向与所述滤膜C7)的表面呈30°倾斜角。
7. 根据权利要求4所述的自清洗过滤水系统,其特征在于,所述第二刮泥装置(10)与所 述第一刮泥装置(9)结构相同,但所述刮板(93)上边框不设有所述第一喷水孔(94)。
8. 根据权利要求1所述的自清洗过滤水系统,其特征在于,所述反冲洗装置(11)包括多 个第二喷水孔,所述第二喷水孔连接储水机构,其喷水方向垂直于所述滤膜(7)。
9. 根据权利要求1-8任一项所述的自清洗过滤水系统,其特征在于,所述第一侧壁(32) 设置在靠近所述出水口(21)的一侧,所述第三侧壁(34)设置在远离所述出水口(21)的一 侧,且所述第三侧壁(34)的外侧设有连接至所述滤膜(7)底部的储泥斗(12)。
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CN109279683A (zh) * | 2018-10-25 | 2019-01-29 | 西北大学 | 基于连续反冲洗的油水混合液过滤分离方法及装置 |
CN109621539A (zh) * | 2018-12-29 | 2019-04-16 | 林豪杰 | 阻隔过滤式可吸附悬浮物的v型滤池过滤水头保护装置 |
TWI729765B (zh) * | 2020-04-08 | 2021-06-01 | 黃志彬 | 固液分離裝置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109279683A (zh) * | 2018-10-25 | 2019-01-29 | 西北大学 | 基于连续反冲洗的油水混合液过滤分离方法及装置 |
CN109279683B (zh) * | 2018-10-25 | 2021-09-14 | 西北大学 | 基于连续反冲洗的油水混合液过滤分离方法及装置 |
CN109621539A (zh) * | 2018-12-29 | 2019-04-16 | 林豪杰 | 阻隔过滤式可吸附悬浮物的v型滤池过滤水头保护装置 |
CN109621539B (zh) * | 2018-12-29 | 2021-04-06 | 郭素青 | 阻隔过滤式可吸附悬浮物的v型滤池过滤水头保护装置 |
TWI729765B (zh) * | 2020-04-08 | 2021-06-01 | 黃志彬 | 固液分離裝置 |
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