[go: up one dir, main page]

CN105502661B - A kind of italic formula oxidation ditch - Google Patents

A kind of italic formula oxidation ditch Download PDF

Info

Publication number
CN105502661B
CN105502661B CN201610072217.2A CN201610072217A CN105502661B CN 105502661 B CN105502661 B CN 105502661B CN 201610072217 A CN201610072217 A CN 201610072217A CN 105502661 B CN105502661 B CN 105502661B
Authority
CN
China
Prior art keywords
oxidation ditch
overflow weir
tank
pool
sludge
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.)
Active
Application number
CN201610072217.2A
Other languages
Chinese (zh)
Other versions
CN105502661A (en
Inventor
杨宗政
林玉科
胡钰彬
董春霞
张健
高雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University of Science and Technology
Original Assignee
Tianjin University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin University of Science and Technology filed Critical Tianjin University of Science and Technology
Priority to CN201610072217.2A priority Critical patent/CN105502661B/en
Publication of CN105502661A publication Critical patent/CN105502661A/en
Application granted granted Critical
Publication of CN105502661B publication Critical patent/CN105502661B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/308Biological phosphorus removal
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

本发明公开一种斜体式氧化沟,该斜体式氧化沟主要包括:依次串联连接的好氧池,兼氧池,厌氧池,缺氧池,二沉池和清水池;所述斜体式氧化沟,通过三道圆弧型导流墙、三道直线型导流墙、一道固定式溢流堰和一道移动式溢流堰将其分为好氧池,兼氧池,厌氧池,缺氧池,二沉池和清水池;所述的好氧池、兼氧池、厌氧池和缺氧池的底部安装两台转刷曝气机;所述斜体式氧化沟底部设有可拆卸的支撑柱。该斜体式氧化沟采用一体化的设计,使用灵活方便,可广泛用于小水量的生活污水的处理。

The invention discloses an italic oxidation ditch. The italic oxidation ditch mainly includes: an aerobic pool, a facultative oxygen pool, an anaerobic pool, an anoxic pool, a secondary settling pool and a clean water pool connected in series; The ditch is divided into aerobic pool, facultative pool, anaerobic pool, anaerobic pool and Oxygen tank, secondary sedimentation tank and clear water tank; two rotating brush aerators are installed at the bottom of the aerobic tank, facultative tank, anaerobic tank and anoxic tank; support column. The italic oxidation ditch adopts an integrated design, is flexible and convenient to use, and can be widely used in the treatment of domestic sewage with a small amount of water.

Description

一种斜体式氧化沟An italic oxidation ditch

技术领域technical field

本发明属于环境工程废水处理技术领域,具体地说是一种斜体式氧化沟。The invention belongs to the technical field of environmental engineering wastewater treatment, in particular to an italic oxidation ditch.

背景技术Background technique

由于水资源日益紧缺,解决点源、面源污染成为了水环境保护的主题,特别是分散而难于收集的小水量污染源,迫切需要移动式的处理装置对其进行处理。在废水处理系统中,活性污泥法占有不可或缺的重要地位,而氧化沟工艺是当前废水生物处理最主要的处理工艺之一。Due to the increasing shortage of water resources, the solution to point source and non-point source pollution has become the theme of water environmental protection, especially for small water pollution sources that are scattered and difficult to collect, and mobile treatment devices are urgently needed to treat them. In the wastewater treatment system, the activated sludge method occupies an indispensable and important position, and the oxidation ditch process is one of the most important treatment processes for the biological treatment of wastewater.

氧化沟工艺是一种污水在沟渠中做循环运动的、通过曝气转刷或转盘进行曝气的活性污泥工艺。氧化沟工艺污泥负荷低,循环流量大,抗冲击负荷能力强,流程简单、维护管理方便、处理效果稳定、运行成本低,可不设初沉池和污泥消化池等优点,是备受欢迎的二级处理工艺。同时,经过几十年的实践探索,氧化沟工艺被认为是出水水质好、最为经济的生物处理技术。但是,传统的氧化沟工艺的曝气方式单一,占地面积大,充氧效率低,有效水深浅,排泥不畅,污泥膨胀等缺点,限制氧化沟工艺的应用和发展。Oxidation ditch process is an activated sludge process in which sewage circulates in a ditch and is aerated through an aeration brush or a turntable. Oxidation ditch process has the advantages of low sludge load, large circulation flow, strong impact load resistance, simple process, convenient maintenance and management, stable treatment effect, low operating cost, no need for primary sedimentation tank and sludge digestion tank, etc., and is very popular. secondary treatment process. At the same time, after decades of practical exploration, the oxidation ditch process is considered to be the most economical biological treatment technology with good effluent quality. However, the traditional oxidation ditch process has a single aeration method, a large area, low oxygenation efficiency, shallow effective water depth, poor sludge discharge, and sludge bulking, which limit the application and development of the oxidation ditch process.

因此,研发一种低能耗、高效率的氧化沟工艺,具有深远的重大意义。Therefore, it is of far-reaching significance to develop a low-energy, high-efficiency oxidation ditch process.

发明内容Contents of the invention

本发明的目的在于克服排泥不畅,污泥易沉降于沟渠,有效水深小,脱氮效果不佳,污泥膨胀和设备占地面积大等技术的不足,提供一种斜体式氧化沟。The purpose of the present invention is to overcome the technical deficiencies such as poor sludge discharge, easy sedimentation of sludge in ditches, small effective water depth, poor denitrification effect, sludge bulking and large equipment footprint, and provide an italic oxidation ditch.

解决上述技术问题的技术方案是:The technical scheme that solves the above-mentioned technical problem is:

一种斜体式氧化沟,主要包括:依次串联连接的好氧池,兼氧池,厌氧池,缺氧池,二沉池和清水池;所述的好氧池,兼氧池,厌氧池,缺氧池,二沉池和清水池合建成斜体式氧化沟。An italic type oxidation ditch mainly includes: an aerobic tank, a facultative tank, an anaerobic tank, an anoxic tank, a secondary settling tank and a clear water tank connected in series; the aerobic tank, the facultative tank, the anaerobic tank pool, anoxic pool, secondary settling pool and clean water pool to form an italic oxidation ditch.

所述斜体式氧化沟,通过三道圆弧型导流墙、三道直线型导流墙、一道固定式溢流堰和一道移动式溢流堰将其分为好氧池,兼氧池,厌氧池,缺氧池,二沉池和清水池;好氧池,兼氧池,厌氧池,缺氧池,二沉池和清水池均安装在同一块倾斜底板上,污水可靠重力作用从好氧池自流至清水池。The italic oxidation ditch is divided into aerobic pool, facultative pool, Anaerobic tank, anoxic tank, secondary sedimentation tank and clear water tank; aerobic tank, facultative oxygen tank, anaerobic tank, anoxic tank, secondary sedimentation tank and clear water tank are all installed on the same inclined bottom plate, and the sewage can be reliably treated by gravity From the aerobic pool to the clean water pool.

所述斜体式氧化沟,好氧池、兼氧池、厌氧池和缺氧池的底部安装两台转刷曝气机,两台转刷曝气机的控制器相向地安装,转刷使污泥和污水充分混匀,转刷曝气机鼓风量控制水中溶解氧(DO);两台转刷曝气机的最近转刷控制器的一段转刷曝气管曝气,其后的曝气管密封不曝气;两台转刷曝气机相向运转,且转速保持不一样,以增大水流的传质阻力,使污泥不易沉淀且得到充分搅拌;两台转刷曝气机适时交替曝气,并相应控制曝气量,可实现A2/O和倒置A2/O两模式的交替运行,以减少发生污泥膨胀现象,并同时达到脱氮除磷效果。In the italic type oxidation ditch, two rotating brush aerators are installed at the bottom of the aerobic pool, the facultative oxygen pool, the anaerobic pool and the anoxic pool, and the controllers of the two rotating brush aerators are installed oppositely, and the rotating brushes make The sludge and sewage are fully mixed, and the blowing volume of the rotary brush aerator controls the dissolved oxygen (DO) in the water; the first section of the rotary brush aeration tube of the nearest rotary brush controller of the two rotary brush aerators is aerated, and the subsequent aeration The trachea is sealed without aeration; the two rotary brush aerators run in opposite directions, and the speeds are kept different to increase the mass transfer resistance of the water flow, so that the sludge is not easy to settle and is fully stirred; the two rotary brush aerators are timely Alternate aeration and corresponding control of the aeration volume can realize the alternate operation of A 2 /O and inverted A 2 /O modes, so as to reduce the phenomenon of sludge bulking and achieve the effect of nitrogen and phosphorus removal at the same time.

所述斜体式氧化沟,缺氧池末端设置两道溢流堰;距离缺氧池末端最远的溢流堰为固定式溢流堰,另一道溢流堰为移动式溢流堰,固定式溢流堰高度较移动式溢流堰的低;固定式溢流堰和移动式溢流堰将缺氧池末端的池子分割成二沉池和清水池;二沉池出水流经固定式溢流堰进入清水池,经二沉池静置后的出水,水中悬浮物质(SS)可大大减少。In the italic oxidation ditch, two overflow weirs are arranged at the end of the anoxic tank; the overflow weir farthest from the end of the anoxic tank is a fixed overflow weir, and the other overflow weir is a mobile overflow weir, fixed The height of the overflow weir is lower than that of the mobile overflow weir; the fixed overflow weir and the mobile overflow weir divide the pool at the end of the anoxic tank into a secondary sedimentation tank and a clean water tank; the effluent of the secondary sedimentation tank flows through the fixed overflow The weir enters the clear water tank, and the suspended matter (SS) in the water can be greatly reduced after the secondary sedimentation tank is left standing.

所述斜体式氧化沟,移动式溢流堰也可称为可拆卸溢流堰,即在其安装位置上设置一定深度的沟槽,再安装事先准备好的溢流堰即可;根据污水处理负荷,安装不同高度的溢流堰,可以加深设备的有效水深,适当延长污水的水力停留时间。The italic oxidation ditch and the mobile overflow weir can also be called detachable overflow weirs, that is, a groove with a certain depth is set at the installation position, and then the overflow weir prepared in advance can be installed; according to the sewage treatment Load, installing overflow weirs of different heights can deepen the effective water depth of the equipment and appropriately prolong the hydraulic retention time of sewage.

所述斜体式氧化沟,缺氧池排泥管、二沉池排泥管和清水池排水管均安装在其底部,主要依靠倾斜底板带来的重力流作用,使得排泥顺畅、排水顺畅,且减少机械能耗。The italic oxidation ditch, the mud discharge pipe of the anoxic tank, the mud discharge pipe of the secondary settling tank and the drain pipe of the clear water tank are all installed at the bottom, mainly relying on the gravity flow effect brought by the inclined bottom plate, so that the mud discharge and drainage are smooth, And reduce mechanical energy consumption.

所述二沉池排泥管和缺氧池排泥管连接污泥泵,需要污泥回流时,打开污泥泵,将其泥水回流至好氧池。The sludge discharge pipe of the secondary settling tank and the sludge discharge pipe of the anoxic tank are connected to a sludge pump, and when sludge reflux is required, the sludge pump is turned on to return the muddy water to the aerobic tank.

所述斜体式氧化沟,其底板设有支撑柱;支撑柱可折叠收起。The bottom plate of the italic oxidation ditch is provided with supporting columns; the supporting columns can be folded and stowed.

采用所述的斜体式氧化沟的污水处理方法,其步骤为:Adopt the sewage treatment method of described italic type oxidation ditch, its step is:

(1)污水由进水管进入斜体式氧化沟内,在转刷曝气机的搅拌下,泥水充分混匀;(1) The sewage enters the italic oxidation ditch from the water inlet pipe, and the muddy water is fully mixed under the agitation of the rotary brush aerator;

(2)在倾斜底板的重力流和转刷曝气机的推动力共同作用下,处理污水以先是由左至右,再由上至下折流的方式依次流经好氧池,兼氧池,厌氧池,缺氧池,二沉池和清水池;(2) Under the joint action of the gravity flow of the inclined bottom plate and the driving force of the rotary brush aerator, the treated sewage flows through the aerobic pool and the facultative pool in turn from left to right and then from top to bottom. , anaerobic pond, anoxic pond, secondary sedimentation pond and clean water pond;

(3)以回流的方式,处理污水循环通过好氧池,兼氧池,厌氧池和缺氧池,通过硝化和反硝化以及排泥,达到脱氮目的,同时COD、BOD均得到大幅度降解;(3) In the way of reflux, the treated sewage circulates through the aerobic pool, facultative pool, anaerobic pool and anoxic pool, through nitrification, denitrification and sludge discharge, to achieve the purpose of denitrification, and at the same time, COD and BOD are greatly improved degradation;

(4)通过检测出水水质指标,确定污泥龄,然后通过缺氧池排泥管和二沉池排泥管适时排泥,从而达到除磷效果。(4) Determine the sludge age by detecting the water quality index, and then timely discharge the sludge through the sludge discharge pipe of the anoxic tank and the sludge discharge pipe of the secondary sedimentation tank, so as to achieve the effect of phosphorus removal.

本发明的有益效果是:The beneficial effects of the present invention are:

1.设备占地面积少、便携。各池间依靠导流墙分隔,重力流作用下,以折流方式串联各池,特别适用于低处理量的污水处理;1. The equipment occupies a small area and is portable. The pools are separated by diversion walls, and under the action of gravity flow, the pools are connected in series in a baffled manner, which is especially suitable for low-volume sewage treatment;

2.排泥顺畅,污泥不易淤积池底。在倾斜底板的重力流作用下,排泥彻底,还有效减少了污泥膨胀现象;2. The sludge is discharged smoothly, and the sludge is not easy to deposit on the bottom of the pool. Under the action of the gravity flow of the inclined bottom plate, the sludge is completely discharged, and the phenomenon of sludge bulking is effectively reduced;

3.转刷控氧,均化效果好。在斜体式氧化沟内,通过调控转刷曝气机的转速,运行方向及其鼓风量,使斜体式氧化沟中泥水充分混合;3. The rotating brush controls oxygen, and the homogenization effect is good. In the italic oxidation ditch, the mud and water in the italic oxidation ditch are fully mixed by adjusting the rotating speed, running direction and blowing volume of the rotary brush aerator;

4.有效水深大,调节方便。设置可移动式或是可拆卸式的溢流堰,并通过安装不同高度的溢流堰,以加大斜体式氧化沟的有效水深,不仅提高了生物降解效率,还延长了污水的水力停留时间;4. Large effective water depth, easy to adjust. Install movable or detachable overflow weirs, and install overflow weirs of different heights to increase the effective water depth of the italic oxidation ditch, which not only improves the biodegradation efficiency, but also prolongs the hydraulic retention time of sewage ;

5.自动化管理,节省劳动力。结合智控技术,实现一体化装置的进、出水等问题;5. Automatic management, saving labor. Combining intelligent control technology to realize the water inlet and outlet of the integrated device;

6.处理效果好,工艺系统运行稳定。通过设置简单的二沉池可大大减少出水水中的悬浮物质(SS)含量,经过生物降解处理后,可确保产水水质达到《污水综合排放标准》和地方性法规的排放要求;6. The treatment effect is good, and the process system runs stably. By setting up a simple secondary sedimentation tank, the content of suspended matter (SS) in the effluent water can be greatly reduced. After biodegradation treatment, the quality of the produced water can be guaranteed to meet the discharge requirements of the "Integrated Wastewater Discharge Standard" and local regulations;

7.操作维护简便,运行管理安全可靠。7. Easy operation and maintenance, safe and reliable operation management.

附图说明Description of drawings

图1是本发明设备结构三视图;Fig. 1 is three views of equipment structure of the present invention;

《附图中序号说明》"Description of Serial Numbers in the Attached Drawings"

1-1、1-2:转刷曝气机;1-3:圆弧型导流墙;1-4:直线型导流墙;1-5:进水管;1-6:可拆卸支撑柱;1-7:固定式溢流堰;1-8:移动式溢流堰;1-9:二沉池;1-10:清水池;1-11:倾斜底板;1-12:好氧池;1-13:兼氧池;1-14:厌氧池;1-15:缺氧池;1-16:清水池排水管;1-17:二沉池排泥管;1-18:缺氧池排泥管。1-1, 1-2: rotary brush aerator; 1-3: arc diversion wall; 1-4: straight diversion wall; 1-5: water inlet pipe; 1-6: detachable support column ;1-7: fixed overflow weir; 1-8: mobile overflow weir; 1-9: secondary settling tank; 1-10: clear water tank; ;1-13: facultative oxygen tank; 1-14: anaerobic tank; 1-15: anoxic tank; 1-16: clear water tank drainage pipe; Oxygen pool mud pipe.

具体实施方式Detailed ways

下面结合附图对本发明的实施例进一步详述。Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

图1是本发明设备连接示意图。Fig. 1 is a schematic diagram of device connection of the present invention.

如图1所示,本发明提供一种斜体式氧化沟,主要包括:依次串联连接的好氧池1-12,兼氧池1-13,厌氧池1-14,缺氧池1-15,二沉池1-9和清水池1-10;所述的好氧池1-12,兼氧池1-13,厌氧池1-14,缺氧池1-15,二沉池1-9和清水池1-10合建成斜体式氧化沟。As shown in Figure 1, the present invention provides an italic type oxidation ditch, mainly comprising: aerobic pools 1-12 connected in series, facultative oxygen pools 1-13, anaerobic pools 1-14, and anoxic pools 1-15 , secondary sedimentation tank 1-9 and clear water tank 1-10; described aerobic tank 1-12, facultative oxygen tank 1-13, anaerobic tank 1-14, anoxic tank 1-15, secondary sedimentation tank 1- 9 and clear water pool 1-10 are combined into an italic type oxidation ditch.

所述斜体式氧化沟,通过三道圆弧型导流墙1-3、三道直线型导流墙1-4、一道固定式溢流堰1-7和一道移动式溢流堰1-8将其分为好氧池1-12,兼氧池1-13,厌氧池1-14,缺氧池1-15,二沉池1-9和清水池1-10;好氧池1-12,兼氧池1-13,厌氧池1-14,缺氧池1-15,二沉池1-9和清水池1-10均安装在同一块倾斜底板1-11上,污水可靠重力作用从好氧池1-12自流至清水池1-10。The italic oxidation ditch passes through three arc-shaped diversion walls 1-3, three linear diversion walls 1-4, one fixed overflow weir 1-7 and one mobile overflow weir 1-8 It is divided into aerobic pool 1-12, facultative pool 1-13, anaerobic pool 1-14, anoxic pool 1-15, secondary sedimentation pool 1-9 and clear water pool 1-10; aerobic pool 1- 12. Facultative pools 1-13, anaerobic pools 1-14, anoxic pools 1-15, secondary sedimentation pools 1-9 and clean water pools 1-10 are all installed on the same inclined floor 1-11, and the sewage can be reliably discharged by gravity The function flows from the aerobic pool 1-12 to the clear water pool 1-10.

所述斜体式氧化沟,好氧池1-12、兼氧池1-13、厌氧池1-14和缺氧池1-15的底部安装两台转刷曝气机1-1、1-2,两台转刷曝气机1-1、1-2的控制器相向地安装,转刷使污泥和污水充分混匀,转刷曝气机1-1、1-2鼓风量控制水中溶解氧(DO);两台转刷曝气机1-1、1-2的最近转刷控制器的一段转刷曝气管曝气,其后的曝气管密封不曝气;两台转刷曝气机1-1、1-2相向运转,且转速保持不一样,以增大水流的传质阻力,使污泥不易沉淀且得到充分搅拌;两台转刷曝气机1-1、1-2适时交替曝气,并相应控制曝气量,可实现A2/O和倒置A2/O两模式的交替运行,以减少发生污泥膨胀现象,并同时达到脱氮除磷效果。In the italic type oxidation ditch, two rotary brush aerators 1-1, 1- 2. The controllers of the two rotating brush aerators 1-1 and 1-2 are installed opposite to each other. The rotating brushes fully mix the sludge and sewage, and the blowing volume of the rotating brush aerators 1-1 and 1-2 controls the amount of air in the water. Dissolved oxygen (DO); two brush aerators 1-1 and 1-2 are aerated by a section of the brush aeration tube closest to the brush controller, and the subsequent aeration tube is sealed and not aerated; two rotary brush aerators The brush aerators 1-1 and 1-2 run in opposite directions, and the speeds are kept different to increase the mass transfer resistance of the water flow, so that the sludge is not easy to settle and is fully stirred; two rotary brush aerators 1-1, 1-2 Timely alternate aeration, and corresponding control of aeration volume, can realize the alternate operation of A 2 /O and inverted A 2 /O modes, so as to reduce the phenomenon of sludge bulking and achieve the effect of nitrogen and phosphorus removal at the same time.

所述斜体式氧化沟,缺氧池1-15末端设置两道溢流堰1-7、1-8;距离缺氧池1-15末端最远的溢流堰为固定式溢流堰1-7,另一道溢流堰为移动式溢流堰1-8,固定式溢流堰1-7高度较移动式溢流堰的低;固定式溢流堰1-7和移动式溢流堰1-8将缺氧池1-15末端的池子分割成二沉池1-9和清水池1-10;二沉池1-9出水流经固定式溢流堰1-7进入清水池1-10,经二沉池1-9静置后的出水,水中悬浮物质(SS)可大大减少。In the italic type oxidation ditch, two overflow weirs 1-7 and 1-8 are arranged at the end of the anoxic pool 1-15; the overflow weir farthest from the end of the anoxic pool 1-15 is a fixed overflow weir 1- 7. The other overflow weir is mobile overflow weir 1-8, and the height of fixed overflow weir 1-7 is lower than that of mobile overflow weir; fixed overflow weir 1-7 and mobile overflow weir 1 -8 divides the pool at the end of the anoxic pool 1-15 into a secondary sedimentation pool 1-9 and a clear water pool 1-10; the outlet water of the secondary sedimentation pool 1-9 flows through the fixed overflow weir 1-7 and enters the clear water pool 1-10 , Suspended matter (SS) in the effluent after the secondary settling tank 1-9 stands still can be greatly reduced.

所述斜体式氧化沟,移动式溢流堰1-8也可称为可拆卸溢流堰1-8,即在其安装位置上设置一定深度的沟槽,再安装事先准备好的溢流堰即可;根据污水处理负荷,安装不同高度的溢流堰,可以加深设备的有效水深,适当延长污水的水力停留时间。The italic oxidation ditch, the mobile overflow weir 1-8 can also be called the detachable overflow weir 1-8, that is, a groove with a certain depth is set on its installation position, and then the overflow weir prepared in advance is installed. According to the sewage treatment load, installing overflow weirs of different heights can deepen the effective water depth of the equipment and appropriately extend the hydraulic retention time of sewage.

所述斜体式氧化沟,缺氧池排泥管1-18、二沉池排泥管1-17和清水池排水管1-16均安装在其底部,主要依靠倾斜底板1-11带来的重力流作用,使得排泥顺畅、排水顺畅,且减少机械能耗。The italic oxidation ditch, the mud discharge pipe 1-18 of the anoxic tank, the mud discharge pipe 1-17 of the secondary sedimentation tank and the drain pipe 1-16 of the clean water tank are all installed at the bottom thereof, mainly relying on the sloping bottom plate 1-11 to bring The effect of gravity flow makes mud discharge and drainage smooth, and reduces mechanical energy consumption.

所述二沉池排泥管1-17和缺氧池排泥管1-18连接污泥泵,需要污泥回流时,打开污泥泵,将其泥水回流至好氧池1-12。The sludge discharge pipe 1-17 of the secondary settling tank and the sludge discharge pipe 1-18 of the anoxic tank are connected to the sludge pump. When the sludge backflow is required, the sludge pump is turned on to return the muddy water to the aerobic tank 1-12.

所述斜体式氧化沟,其底板1-11设有支撑柱1-6;支撑柱1-6可折叠收起。The bottom plate 1-11 of the italic oxidation ditch is provided with support columns 1-6; the support columns 1-6 can be folded and stowed.

采用所述的斜体式氧化沟的污水处理方法,其步骤为:Adopt the sewage treatment method of described italic type oxidation ditch, its step is:

(1)污水由进水管1-5进入斜体式氧化沟内,在转刷曝气机1-1、1-2的搅拌下,泥水充分混匀;(1) The sewage enters the italic oxidation ditch from the water inlet pipe 1-5, and the muddy water is fully mixed under the agitation of the rotary brush aerator 1-1 and 1-2;

(2)在倾斜底板1-11的重力流和转刷曝气机1-1、1-2的推动力共同作用下,处理污水以先是由左至右,再由上至下折流的方式依次流经好氧池1-12,兼氧池1-13,厌氧池1-14,缺氧池1-15,二沉池1-9和清水池1-10;(2) Under the joint action of the gravity flow of the inclined bottom plate 1-11 and the driving force of the rotary brush aerator 1-1, 1-2, the sewage is treated firstly from left to right, and then from top to bottom. Flow through aerobic pool 1-12, facultative pool 1-13, anaerobic pool 1-14, anoxic pool 1-15, secondary sedimentation pool 1-9 and clear water pool 1-10;

(3)以回流的方式,处理污水循环通过好氧池1-12,兼氧池1-13,厌氧池1-14和缺氧池1-15,通过硝化和反硝化以及排泥,达到脱氮目的,同时COD、BOD均得到大幅度降解;(3) In the way of reflux, the treated sewage circulates through aerobic pool 1-12, facultative pool 1-13, anaerobic pool 1-14 and anoxic pool 1-15, through nitrification, denitrification and sludge discharge, to achieve The purpose of nitrogen removal, while COD and BOD are greatly degraded;

(4)通过检测出水水质指标,确定污泥龄,然后通过缺氧池排泥管1-18和二沉池排泥管1-17适时排泥,从而达到除磷效果。(4) Determine the sludge age by detecting the water quality index, and then timely discharge the sludge through the sludge discharge pipe 1-18 of the anoxic tank and the sludge discharge pipe 1-17 of the secondary sedimentation tank, so as to achieve the effect of phosphorus removal.

以上对本发明的一个实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。An embodiment of the present invention has been described in detail above, but the content described is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims (7)

1. a kind of italic formula oxidation ditch, it is characterised in that: the italic formula oxidation ditch specifically includes that the aerobic tank being sequentially connected in series (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10);It is described Aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1- 10) italic formula oxidation ditch is built into jointly;
The italic formula oxidation ditch is fixed by three circular arc type training walls (1-3), three linear type training walls (1-4), one Formula overflow weir (1-7) and mobile overflow weir (1-8) is classified as aerobic tank (1-12) together, oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10);Aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobism Pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10) are installed in same inclined floor (1-11) On, the reliable gravity of sewage flow to clear water reserviors (1-10) from aerobic tank (1-12) certainly;
The italic formula oxidation ditch, the bottom of aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14) and anoxic pond (1-15) Two rotating brush type aerators (1-1,1-2) are installed in portion, and the controller of two rotating brush type aerators (1-1,1-2) is installed opposite to each other, turn brush Mix well sludge and sewage, rotating brush type aerator (the 1-1,1-2) blow rate required controls oxygen in water (DO);Two brush aerations The one section of brush aeration pipe aeration for turning brush controller recently of machine (1-1,1-2), the aeration seal of tube thereafter are not aerated;Two turn Brush aerator (1-1,1-2) operates in opposite directions, and revolving speed keeps different, to increase the resistance to mass tranfer of water flow, sludge is made to be not easy to sink It forms sediment and is sufficiently stirred;Two in due course alternative aerations of rotating brush type aerator (1-1,1-2), and accordingly control aeration quantity, it can be achieved that A2/ O and inversion A2The alternate run of/O two-mode occurs sludge bulking phenomenon to reduce, and reaches Nitrogen/Phosphorus Removal simultaneously;
One end of aerobic tank (1-12) water inlet pipe (1-5) is fixed at the top of the rotating brush type aerator (1-2), tail portion is fixed on anoxic One end of pond (1-15) water outlet;One end of anoxic pond (1-15) water inlet is fixed at the top of rotating brush type aerator (1-1), tail portion is solid It is scheduled on one end of aerobic tank (1-12) water outlet;Rotating brush type aerator (1-1,1-2) is mounted in italic formula oxidation ditch, is sequentially passed through Aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14) and anoxic pond (1-15).
2. according to a kind of italic formula oxidation ditch described in claim 1, it is characterised in that: anoxic pond (1-15) end is set Set twice overflow weir (1-7,1-8);The overflow weir farthest apart from the end anoxic pond (1-15) is fixed overflow weir (1-7), separately One overflow weir is mobile overflow weir (1-8), the more mobile overflow weir of fixed overflow weir (1-7) height it is low;It is fixed The pond of the end anoxic pond (1-15) is divided into secondary settling tank (1-9) and clear water by overflow weir (1-7) and mobile overflow weir (1-8) Pond (1-10);Secondary settling tank (1-9) water outlet flows through fixed overflow weir (1-7) and enters clear water reserviors (1-10), quiet through secondary settling tank (1-9) The water outlet postponed, suspended material (SS) can greatly reduce in water.
3. according to a kind of italic formula oxidation ditch described in claim 1, it is characterised in that: the movable type overflow weir (1-8) Alternatively referred to as detachable overflow weir (1-8), i.e., be arranged the groove of certain depth in its installation site, then installs and be ready in advance Overflow weir;According to sewage treatment load, the overflow weir of different height is installed, the available depth of equipment can be deepened, is fitted When the hydraulic detention time for extending sewage.
4. according to a kind of italic formula oxidation ditch described in claim 3, it is characterised in that: anoxic pond sludge pipe (1-18), two Heavy pond sludge pipe (1-17) and clear water reserviors drainpipe (1-16) are installed in its bottom, rely primarily on inclined floor (1-11) and bring Gravity stream effect so that spoil disposal is smooth, draining is smooth, and reduce mechanical energy consumption.
5. according to a kind of italic formula oxidation ditch described in claim 4, it is characterised in that: the sludge from final clarifier pipe (1-17) Sludge pump is connected with anoxic pond sludge pipe (1-18), when needing sludge reflux, sludge pump is opened, its muddy water is back to aerobic tank (1-12)。
6. according to a kind of italic formula oxidation ditch described in claim 1, it is characterised in that: the inclined floor (1-11) is equipped with Support column (1-6);Support column (1-6) is foldable to be packed up.
7. the method for carrying out sewage treatment using italic formula oxidation ditch as described in claim 1, it is characterised in that: including walking as follows It is rapid:
(1) sewage is entered in italic formula oxidation ditch by water inlet pipe (1-5), under the stirring of rotating brush type aerator (1-1,1-2), muddy water It mixes well;
(2) under the gravity stream of inclined floor (1-11) and the motive force collective effect of rotating brush type aerator (1-1,1-2), processing is dirty Water with before this from left to right, then from top to bottom the mode of baffling followed by aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10);
(3) in a manner of reflux, processing effluent cycle is by aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14) and Anoxic pond (1-15) reaches denitrogenation purpose by nitrification and denitrification and spoil disposal, while COD, BOD are significantly dropped Solution;
(4) it by detection water outlet water quality indicator, determines sludge age, then passes through anoxic pond sludge pipe (1-18) and sludge from final clarifier (1-17) in due course spoil disposal is managed, to reach phosphor-removing effect.
CN201610072217.2A 2016-01-29 2016-01-29 A kind of italic formula oxidation ditch Active CN105502661B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610072217.2A CN105502661B (en) 2016-01-29 2016-01-29 A kind of italic formula oxidation ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610072217.2A CN105502661B (en) 2016-01-29 2016-01-29 A kind of italic formula oxidation ditch

Publications (2)

Publication Number Publication Date
CN105502661A CN105502661A (en) 2016-04-20
CN105502661B true CN105502661B (en) 2018-12-04

Family

ID=55711046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610072217.2A Active CN105502661B (en) 2016-01-29 2016-01-29 A kind of italic formula oxidation ditch

Country Status (1)

Country Link
CN (1) CN105502661B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109942088B (en) * 2019-05-07 2024-06-14 徐州工程学院 Domestic small-sized artificial wetland domestic sewage treatment device for household

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614589A (en) * 1985-02-12 1986-09-30 Smith & Loveless Method and apparatus for biological aerobic wastewater treatment
CN2228909Y (en) * 1995-09-22 1996-06-12 张鸿毅 Non-power consumption organic sewage treatment device
CN1367143A (en) * 2002-02-28 2002-09-04 陈启松 Four-channel type oxidation channel urban sewage treatment system
CN205527997U (en) * 2016-01-29 2016-08-31 天津科技大学 Italic formula oxidation ditch

Also Published As

Publication number Publication date
CN105502661A (en) 2016-04-20

Similar Documents

Publication Publication Date Title
AU2010327174B2 (en) Waste water treatment equipment
CN205774033U (en) A kind of compound efficient depositing reservoir
CN103395947B (en) V-shaped gas stripping reflux two-stage precipitation integrated sewage treatment tank
CN208814853U (en) Quick black smelly water treatment system of the biochemistry pool in conjunction with efficient sedimentation tank
CN103395950B (en) V-shape air-stripping technology for removing nitrogen and phosphorus of large and medium-sized sewage processing
CN103395948B (en) Z-shaped gas stripping reflux two-stage precipitation integrated sewage treatment tank
CN102659227A (en) Middle-set type high density sediment water purification tank and purification technology thereof
CN103373794A (en) Sewage treatment process and special-purpose one-piece sewage treatment plant
CN105293834A (en) Integrated iods reactor
CN102642982A (en) System integrating sewage treatment with sludge concentration
CN103214150A (en) Complete self-backflow well type anabroeic-anoxic-oxic (AAO) sewage treatment method
CN102718321B (en) Rotary circulation ratio adjustable oxidation ditch device and its operation method
CN105712579B (en) A kind of offshore platform life sewage treatment and reuse device with high salt
CN202785899U (en) Sewage treatment device
CN100540486C (en) Synchronous denitrification and dephosphorization process for city sewage
CN105293701B (en) Carbon source reserve type IBR bioreactor
CN205527997U (en) Italic formula oxidation ditch
CN106966490A (en) A kind of high-efficiency aerobic reactor and sewage treatment process
CN105502661B (en) A kind of italic formula oxidation ditch
CN104445838A (en) Sewage treatment system for small towns
CN202625908U (en) Central-positioned high-density precipitating water purifying pond
CN206143005U (en) Synchronous nitrification and denitrification sewage treatment plant and system based on MBBR
CN203392987U (en) Z-type integrated sewage treatment pond employing gas stripping reflux and two-stage precipitation
CN205740649U (en) A kind of offshore platform high salt life sewage treatment and reuse device
CN2789239Y (en) Integrated aerobic-anaerobic sewage treating device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant