WO2011050604A1 - 膜生物反应器模块间歇过滤程序控制器 - Google Patents

膜生物反应器模块间歇过滤程序控制器 Download PDF

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Publication number
WO2011050604A1
WO2011050604A1 PCT/CN2010/072206 CN2010072206W WO2011050604A1 WO 2011050604 A1 WO2011050604 A1 WO 2011050604A1 CN 2010072206 W CN2010072206 W CN 2010072206W WO 2011050604 A1 WO2011050604 A1 WO 2011050604A1
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Prior art keywords
tray
membrane bioreactor
water
water inlet
plate
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PCT/CN2010/072206
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English (en)
French (fr)
Inventor
蒋鸿明
孙旭娇
徐雪霞
钱秀芳
Original Assignee
江苏金山环保工程集团有限公司
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Priority to DE112010000428.5T priority Critical patent/DE112010000428B4/de
Publication of WO2011050604A1 publication Critical patent/WO2011050604A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1268—Membrane bioreactor systems
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
    • 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

Definitions

  • the invention belongs to a membrane bioreactor treatment wastewater control technology, in particular to a membrane bioreactor module intermittent filtration program controller. Background technique
  • Membrane bioreactor is one of the most promising wastewater recycling technologies developed at the end of the 20th century.
  • Membrane bioreactor is a water treatment system that combines membrane separation technology with biological reaction technology. It has the advantages of small land occupation, high solid-liquid separation rate, high activated sludge concentration, high treatment efficiency, good effluent quality, low sludge yield and simple operation and management.
  • the membrane bioreactor assembly operates in an intermittent mode and is typically controlled by an electric or solenoid valve. If a membrane bioreactor assembly constitutes a membrane bioreactor module, a membrane bioreactor is composed of several membrane bioreactor modules. Therefore, a membrane bioreactor with many electric or solenoid valves, such as a motorized or solenoid valve, can cause the membrane bioreactor module to stop operating. Due to the large number of electric or solenoid valves, the failure rate is ⁇ 3 ⁇ 4.
  • the present invention overcomes the above technical deficiencies and proposes a membrane bioreactor module intermittent filtration program controller.
  • the program controller of the present invention is composed of a water inlet tray, a water outlet tray and a rotating tray.
  • the inlet tray has a plurality of inlet ports, and each inlet port is connected to a membrane bioreactor module.
  • the water outlet tray is provided with a water outlet interface, and the water outlet port of the water outlet tray is dynamically connected to a certain inlet interface of the water inlet tray through the annular cavity of the water outlet tray and the filtering passage of the rotating tray.
  • the outlet interface connects the membrane bioreactor suction system.
  • the rotating disc is provided with a filter channel and a pause block. The rotating disk is driven by the motor. During the operation, there is always a water inlet, the other roads are connected, and the cycle is alternated to achieve the purpose of controlling the membrane bioreactor module intermittent operation.
  • the membrane bioreactor has L membrane bioreactor modules (L-channel influent).
  • the membrane bioreactor module has a ratio of pumping and stopping to m (m is an integer), and the stopping time is d minutes.
  • the technical solution of the present invention is: a membrane bioreactor module intermittent filtration program controller, which is characterized in that: the water inlet tray, the water outlet tray and the rotating disc are combined; the water outlet tray is set on the rotating shaft of the rotating disc And installed in the water inlet tray together with the rotating disk In the lumen.
  • LL(m + 1) /(L-1) is a pause block, there are a total of L pause plugs; the arc filter channel and the pause block have an arc length ratio of m; the outlet plate is equipped with a water outlet interface, and the water outlet The annular cavities on the disc are in communication.
  • a sealing ring is installed between the rotating disc, the water inlet tray and the water outlet tray.
  • the rotating disk is driven by the motor to rotate the rotating disk for one minute (L + l) d minutes.
  • L, m, and d are positive integers, and the value of the central angle must be greater than zero, otherwise there is no physical meaning.
  • the inlet and outlet interfaces and the rotating disk arc filter channel width are determined according to the working flow. All the inlet flow rate Q, the inlet flow cross section Q(m7s) ⁇ 0.6m/s; the outlet interface cross section [Q (m 3 /s) ⁇ 0.6m/s] X (L-1) ; The arc-shaped filter channel width is equal to the inlet port flow-through diameter.
  • the invention has simple structure, and an electromechanical device can replace several electric valves or solenoid valves, reduce the failure rate in the operation of the membrane bioreactor, and improve the reliability of the operation of the membrane bioreactor.
  • Figure 1 is a plan view of the present invention.
  • Figure 2 is a schematic cross-sectional view of Figure 1A-A.
  • Figure 3 is a plan view of the rotating disk.
  • Figure 4 is a top view of the water tray.
  • Figure 5 is a bottom view of the water tray.
  • the figure shows a program controller that controls four membrane bioreactor modules (with a membrane production capacity of 2 m 3 /h per membrane bioreactor).
  • the program controller is composed of a water inlet tray 1, a water discharge tray 3, and a rotary disk 2 which are fitted on the rotary shaft 9 of the rotary disk 2 and which are mounted together with the rotary disk 2 in the inner cavity of the water inlet tray 1.
  • Water inlet tray There are 4 inlet ports 4 installed on the rotating plate; 4 arc-shaped filtering channels 7 are opened on the rotating plate, and the blocking block 8 is arranged between the arc-shaped filtering channels 7.
  • the arc length ratio is 4; the water outlet tray 3 is mounted with a water outlet port 5, and the water outlet port 5 communicates with the annular cavity 6 on the water outlet tray 3.
  • a sealing ring 10 is installed between the rotating disk 1 and the water inlet tray 2 and the water discharge tray 3.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Biological Treatment Of Waste Water (AREA)

Description

说明书
膜生物反应器模块间歇过滤程序控制器 技术领域
本发明属膜生物反应器处理废水控制技术，具体涉及一种膜生物反应器模块间 歇过滤程序控制器。 背景技术
膜生物反应器是二十世纪末发展起来的最具潜力的废水资源化再生利用技术 之一， 膜生物反应器是将膜分离技术与生物反应技术相结合的一种水处理系统。它 具有占地空间小、 固液分离率高、 活性污泥浓度高、 处理效率高、 出水水质好、 污 泥产率低、 运行管理简单等优点。
膜生物反应组件运行方式是间歇运行， 一般通过电动阀或电磁阀进行控制。 若 干个膜生物反应组件组成膜生物反应模块，由若干个膜生物反应模块组成膜生物反 应器。 因此一个膜生物反应器有许多电动阀或电磁阀， 如一个电动阀或电磁阀出现 故障， 会导致膜生物反应器模块停止运行。 由于电动阀或电磁阀数量多， 导致故障 率 ι¾。
发明内容
本发明克服以上技术不足， 提出了一种膜生物反应器模块间歇过滤程序控制 器。 本发明所述的程序控制器， 由进水盘、 出水盘、 转动盘所组成。 进水盘设有若 干个进水接口， 每一个进水接口连接一个膜生物反应模块。 出水盘设有一个出水接 口，出水盘的出水接口通过出水盘的环形空腔及转动盘的过滤通道与其进水盘某几 个进水接口动态相连。 出水接口连接膜生物反应器抽吸系统。转动盘设有过滤通道 和暂停堵。转动盘在电动机带动下运转，运转中总有一路进水不通，另几路均相通， 循环交替从而达到控制膜生物反应模块间歇运行目的。
设膜生物反应器有 L个膜生物反应模块 （L路进水）， 如膜生物反应模块抽吸 与停吸的时间比例为 m ( m为整数）， 停吸时间为 d分钟。 则本发明的技术解决方案 为： 一种膜生物反应器模块间歇过滤程序控制器， 其特征是： 由进水盘、 出水盘和 转动盘组合而成； 出水盘套装在转动盘的转动轴上， 并和转动盘一起安装在进水盘 的内腔中。所述的进水盘上安装有 L个进水接口， 最近二个进水接口对应的圆心角 为 = U - 1)360。 ， 其他相邻 二个进水接 口 所对应 的 圆 心 角 为
L L(m + 1)
360。 （L— 1)360:
转动盘上开有 L 个弧形过滤通道， 通道
L L(m + 1) /(L-1) 之间为暂停堵， 共有 L个暂停堵； 弧形过滤通道和暂停堵的弧长比例为 m; 出水盘 上安装有一个出水接口，并和出水盘上的环形空腔相通。为解决运行中的密封问题， 在转动盘、 进水盘和出水盘间安装有密封圈。
转动盘由电动机带动， 使转动盘转动一周为 L(m+l) d分钟。 其中 L、 m、 d为正 整数， 圆心角的值必须大于零， 否则无物理意义。
在运转过程中只有一路不通， 另几路都处于通的状态， 循环交替出水， 一路进 水流量为 Q， 总出水流量为 Q(L-l)。
进水接口和出水接口截面及转动盘弧形过滤通道宽度根据工作流量确定。一路 进水流量 Q，其进水接口过流截面 Q(m7s) ÷0.6m/s;出水接口过流截面 [Q (m3/s) ÷0.6m/s] X (L-1) ; 转动盘弧形过滤通道宽度等于进水接口过流直径。
本发明结构简单， 一个电动机械设备可以代替数个电动阀或电磁阀， 减少膜生 物反应器运行中的故障率， 提高了膜生物反应器运行的可靠性。 附图说明
图 1为本发明的俯视图。
图 2为图 1A-A剖视结构示意图。
图 3为转动盘的俯视图。
图 4为出水盘的俯视图。
图 5为出水盘的仰视图。
图中 1一进水盘、 2—转动盘、 3—出水盘、 4一进水接口； 5—出水接口； 6— 环形空腔； 7—弧形过滤通道； 8—暂停堵； 9一转动轴； 10—密封圈。 具体实施方式
附图显示了控制四个膜生物反应模块的程序控制器（设每个膜生物反应模块产 水量为 2m3/h)。 程序控制器由进水盘 1、 出水盘 3、 转动盘 2所组成， 出水盘 3套 装在转动盘 2的转动轴 9上， 并和转动盘 2一起安装在进水盘 1的内腔中。进水盘 1上安装有 4个进水接口 4; 转动盘上开有 4个弧形过滤通道 7， 弧形过滤通道 7 之间为暂停堵 8， 共有 4个暂停堵， 弧形过滤通道和暂停堵的弧长比例为 4; 出水 盘 3上安装有一个出水接口 5， 出水接口 5和出水盘 3上的环形空腔 6相通。 为解 决运行中的密封问题， 在转动盘 1和进水盘 2及出水盘 3间安装有密封圈 10。
膜生物反应器模块抽吸 8分钟， 停吸 2分钟， 则 m=8/2=4， 转动一周所需时间
L(m+l)d=4X (4+1) X 2=40分钟， 电动机通过转动轴 9带动转动盘 2转动一周为 40 分钟 。 L=4， m=4， 距离最近两个相邻进水接 口 4 所对应的 圆心角 为
360。 （4— 1)360 (
= - 其它相邻进水接口 4 所对应的圆心角均为
4 4(4 + 1) = 360。 (4 -1)360 <
360。- 108 出水接口 5和膜生物反应器的抽吸
4 4(4 + 1) (4-1) 系统相连， 膜生物反应器运行时， 电动机带动转动盘 2持续不断均速转动， 过滤水 通过进水接口 4、 弧形过滤通道 7经出水盘 3的环形空腔 6从出水接口 5流出。 在 任何时候， 其中有一路不通， 其它三路通。 [出水流量为 3X2m7h=6m3/h。 ]
进水接口 4过流截面 211173÷36003/11÷0. 6111/3 0.00091112， 进水接口 4过¾ 直径取 35mm; 出水接口 5 过流截面 (2m3/s ÷ 3600s/h ÷ 0.6m/s) X (4-1) ^ 0.0027m2, 出水接口 5过流直径取 60mm; 弧形过滤通道 7宽度等于进水接口过流直 径取 35mm。

Claims

权利要求书 、 一种膜生物反应器模块间歇过滤程序控制器， 其特征是： 由进水盘、 出水盘和 转动盘组合而成； 出水盘套装在转动盘的转动轴上， 并和转动盘一起安装在进 水盘的内腔中； 所述的进水盘上安装有 L个进水接口， 最近二个进水接口对应
360 o (L -1)360 <
的圆心角为 = - 其他相邻二个进水接口所对应的圆心角为
L L(m + 1) = ； 转动盘上设有 L个弧形过滤通道， 弧
Figure imgf000006_0001
形过滤通道之间为暂停堵， 共有 L个暂停堵； 弧形过滤通道和暂停堵的弧长比 例为 m; 出水盘上安装有一个出水接口， 并和出水盘上的环形空腔相通。
、 根据权利要求 1 所述的膜生物反应器模块间歇过滤程序控制器， 其特征在于在 转动盘、 进水盘和出水盘间安装有密封圈。
PCT/CN2010/072206 2009-10-30 2010-04-26 膜生物反应器模块间歇过滤程序控制器 WO2011050604A1 (zh)

Priority Applications (1)

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DE112010000428.5T DE112010000428B4 (de) 2009-10-30 2010-04-26 Programmsteuergerät für den intermittierenden Filtrierbetrieb eines Membranbioreaktormoduls

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CN200910233473.5 2009-10-30
CN2009102334735A CN101700928B (zh) 2009-10-30 2009-10-30 膜生物反应器模块间歇过滤程序控制器

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CN106178585B (zh) * 2014-08-10 2019-01-15 台州知通科技有限公司 一种用于从植物花朵中快速提取天然色素的设备
CN105062121B (zh) * 2014-08-10 2017-02-08 林桂花 提取映山红色素的节能设备

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US6685832B2 (en) * 1995-08-11 2004-02-03 Zenon Environmental Inc. Method of potting hollow fiber membranes
CN1509994A (zh) * 2002-12-26 2004-07-07 中国科学院生态环境研究中心 转刷式膜生物反应器
EP1568662B1 (de) * 2004-02-25 2008-04-09 Bilfinger Berger Umwelttechnik GmbH Membranbioreaktor und Verfahren zur Reinigung von Abwässern
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CN101058458A (zh) * 2007-04-26 2007-10-24 张民良 悬挂摇摆式生化反应器的净水装置及系统

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