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CN201296704Y - A synthesized oxidation ditch sewage treatment device - Google Patents

A synthesized oxidation ditch sewage treatment device Download PDF

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Publication number
CN201296704Y
CN201296704Y CNU2008202291124U CN200820229112U CN201296704Y CN 201296704 Y CN201296704 Y CN 201296704Y CN U2008202291124 U CNU2008202291124 U CN U2008202291124U CN 200820229112 U CN200820229112 U CN 200820229112U CN 201296704 Y CN201296704 Y CN 201296704Y
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China
Prior art keywords
oxidation ditch
ditch
sewage treatment
annular
ring
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Expired - Lifetime
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CNU2008202291124U
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Chinese (zh)
Inventor
卓祥和
陈泽枝
林春明
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GARDEN ENVIRONMENTAL PROFECTION
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FUZHOU GARDEN ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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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

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  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The utility model relates to the field of sewage treatment, in particular to the field of biological sewage treatment oxidation ditch technology. A synthesized oxidation ditch sewage treatment device comprises a ring-shaped oxidation ditch and two sedimentation tanks; a surface aerator is arranged in the ring-shaped oxidation ditch; the two sedimentation tanks are arranged at the central position of the ring-shaped oxidation ditch and have a concentric circle structure with the ring-shaped oxidation ditch. The synthesized oxidation ditch sewage treatment device has the advantages of integrating the two sedimentation tanks and the ring-shaped oxidation ditch for separating mud and water into one facility, thus saving material and location. The adoption of multi-functional surface aerator and an aeration zone to create a guide wall with an angle of 45 degrees ensures stream no backflow any longer and thus conserving energy.

Description

一种综合氧化沟污水处理装置 A comprehensive oxidation ditch sewage treatment device

【技术领域】 【Technical field】

本实用新型涉及污水处理领域，特别是污水生物处理氧化沟技术领域。The utility model relates to the field of sewage treatment, in particular to the technical field of sewage biological treatment oxidation ditch.

【背景技术】 【Background technique】

工业废水和生活污水需经过污水处理，活性污泥法利用微生物氧化合成原理，消除水中的有机污染，是当前国际上公认的经济有效技术。氧化沟法是活性污泥法的一种，相对于鼓风曝气的推流型，它是机械曝气全混合型的。因此它具有耐冲击负荷和易于使用管理和处理效果稳定的特点，目前在城镇污水和工业废水处理广为应用。Industrial wastewater and domestic sewage need to be treated by sewage. Activated sludge method uses the principle of microbial oxidation synthesis to eliminate organic pollution in water. It is an economical and effective technology recognized internationally. The oxidation ditch method is a kind of activated sludge method. Compared with the plug-flow type of blast aeration, it is a fully mixed type of mechanical aeration. Therefore, it has the characteristics of impact load resistance, easy management and stable treatment effect, and is currently widely used in urban sewage and industrial wastewater treatment.

现有的环形氧气化沟与固液分离的二次沉淀池(二沉池)是分开的，多花材料并且多占用地。由于现代城市人口密集，土地紧张，而人口多，需要处理的污水量就大，因此，需要占地面积小的污水处理装置。The existing annular oxygenation ditch is separated from the secondary settling tank (secondary settling tank) for solid-liquid separation, which takes up a lot of materials and takes up a lot of land. Due to the dense population and land shortage in modern cities, and the large population, the amount of sewage to be treated is large. Therefore, a sewage treatment device with a small footprint is required.

【实用新型内容】 【Content of utility model】

本实用新型所要解决的技术问题在于提供一种占地面积少，并且节能有效的综合氧化沟污水处理装置。The technical problem to be solved by the utility model is to provide a comprehensive oxidation ditch sewage treatment device which occupies a small area and is energy-saving and effective.

本实用新型采用以下技术方案解决上述技术问题：The utility model adopts the following technical solutions to solve the above-mentioned technical problems:

一种综合氧化沟污水处理装置，包括环形氧化沟，二沉池；环形氧化沟内设有表面曝气机；所述二沉池设置在环形氧气化沟的中心位置，与环形氧化沟呈同心圆结构。A comprehensive oxidation ditch sewage treatment device, comprising an annular oxidation ditch and a secondary sedimentation tank; a surface aerator is arranged in the annular oxidation ditch; the secondary sedimentation tank is arranged at the center of the annular oxidation ditch, concentric with the annular oxidation ditch round structure.

所述环形氧化沟分为沟内区和前置厌氧区；该沟内区由一隔墙分为外沟道与内沟道；所述表面曝气机是两个，分别设置在所述隔墙的始端与终端。The annular oxidation ditch is divided into a ditch inner area and a front anaerobic area; the ditch inner area is divided into an outer channel and an inner channel by a partition wall; there are two surface aerators, which are respectively arranged in the The beginning and end of the partition wall.

所述隔墙的始端向所述外沟道方向成一定角度设一第一导流墙；所述隔墙的终端向所述内沟道方向成一定角度设一第二导流墙。A first diversion wall is provided at the beginning of the partition wall at a certain angle to the direction of the outer channel; a second diversion wall is provided at a certain angle at the end of the partition wall to the direction of the inner channel.

所述角度为45°。The angle is 45°.

本实用新型的优点在于：将用于泥水分离的二沉池与环形氧化沟整合成一个设备，节省材料和用地。并采用简易先进的导流墙，防止曝气区上游水流倒流现象，节能效果显著。配合采用多功能表面曝气机，节能有效。The utility model has the advantage that the secondary settling tank and the ring-shaped oxidation ditch used for mud-water separation are integrated into one device, which saves materials and land. A simple and advanced diversion wall is adopted to prevent backflow of upstream water flow in the aeration area, and the energy-saving effect is remarkable. With the use of multi-functional surface aerator, energy saving is effective.

【附图说明】 【Description of drawings】

下面参照附图结合实施例对本实用新型作一详细说明。The utility model is described in detail below in conjunction with embodiment with reference to accompanying drawing.

图1是本实用新型截面示意图。Fig. 1 is a schematic cross-sectional view of the utility model.

图2是图1A-A剖视图。Fig. 2 is a sectional view of Fig. 1A-A.

图3是图1B-B剖视图。Fig. 3 is a sectional view of Fig. 1B-B.

【具体实施方式】 【Detailed ways】

请同时参阅图1、图2、图3所示，一种综合氧化沟污水处理装置。包括环形氧化沟10，二沉池20；二沉池20设置在环形氧气化沟10的中心位置，与环形氧化沟10呈同心圆结构。Please refer to Fig. 1, Fig. 2 and Fig. 3 at the same time, a kind of comprehensive oxidation ditch sewage treatment device. It includes an annular oxidation ditch 10 and a secondary settling tank 20 ; the secondary settling tank 20 is set at the center of the annular oxidation ditch 10 and forms a concentric structure with the annular oxidation ditch 10 .

环形氧化沟10分为前置厌氧区11和沟内区12；该沟内区12由一隔墙13分为外沟道121与内沟道122；在隔墙13的始端向外沟道121方向呈45°设置导流墙131，在隔墙13的终端向内沟道122方向呈45°设置导流墙132。在隔墙13的两端分别设有多功能表面曝气机31、32。The annular oxidation ditch 10 is divided into a front anaerobic zone 11 and an inner zone 12; the inner zone 12 is divided into an outer channel 121 and an inner channel 122 by a partition wall 13; A diversion wall 131 is set at 45° in the direction of 121 , and a diversion wall 132 is set at 45° in the direction of the inner channel 122 at the end of the partition wall 13 . The two ends of the partition wall 13 are provided with multifunctional surface aerators 31, 32 respectively.

在靠近隔墙13的始端，也即靠近多功能表面曝气机31的环形氧化沟10外围设有前置厌氧池40，前置厌氧池40与环形氧化沟10之间设有污水进水管51，前置厌氧池40内还设有回流污泥泵61和剩余污泥泵62。Near the beginning of the partition wall 13, that is, the periphery of the annular oxidation ditch 10 near the multifunctional surface aerator 31 is provided with a pre-anaerobic tank 40, and a sewage inlet is provided between the pre-anaerobic tank 40 and the annular oxidation ditch 10. The water pipe 51 and the front anaerobic tank 40 are also provided with a return sludge pump 61 and a surplus sludge pump 62 .

二沉池20内设有半桥刮吸泥机21，二沉池20还设有通往消毒池(图未示)的清水出水管52。周边环形布水管22一端连接环形氧化沟10，另一端连接二沉池20。The secondary settling tank 20 is provided with a half-bridge scraping and suction machine 21, and the secondary settling tank 20 is also provided with a clear water outlet pipe 52 leading to a disinfection tank (not shown). One end of the peripheral annular water distribution pipe 22 is connected to the annular oxidation ditch 10 , and the other end is connected to the secondary sedimentation tank 20 .

污水由污水进水管51进入环形氧化沟10的前置厌氧区11，按箭头方向流入环形氧化沟10沟内区12与多功能表面曝气机31充氧后的水流混合按箭头方向在内沟道122内流动。水流流动至沟内区12下游，经多功能表面曝气机32充氧并推动水流在外沟道121按箭头方向流动。污水与环形氧化沟10内活性污泥混合，经好氧与兼氧的微生物作用，降解了CODcr、BOD5和NH3-N。在环形氧化沟10内好氧段混合液经周边环形布水管22进入二沉池20内，固液分离后清水经集水槽(图未示)集水由清水出水管52送至消毒池。二沉池20的沉淀活性污泥由半桥刮吸泥机21刮吸至中心筒(图未示)通过污泥管53送至前置厌氧池40，通过回流污泥泵61回流至环形氧化沟10前置厌氧区11，在前置厌氧区11内，嗜磷菌则释放磷以便再好氧区吸收磷。剩余污泥通过剩余污泥泵62排至脱水机(图未示)脱水，同时使磷排出处理系统之外。Sewage enters the front anaerobic zone 11 of the annular oxidation ditch 10 from the sewage inlet pipe 51, flows into the inner zone 12 of the annular oxidation ditch 10 according to the direction of the arrow, and mixes with the water flow after oxygenation by the multifunctional surface aerator 31 according to the direction of the arrow. flow in channel 122. The water flow flows to the downstream of the ditch inner area 12, is aerated with oxygen by the multifunctional surface aerator 32 and pushes the water flow to flow in the outer channel 121 in the direction of the arrow. The sewage is mixed with the activated sludge in the annular oxidation ditch 10, and CODcr, BOD 5 and NH 3 -N are degraded through the action of aerobic and facultative microorganisms. In the annular oxidation ditch 10, the mixed liquid in the aerobic section enters the secondary sedimentation tank 20 through the peripheral annular water distribution pipe 22. After solid-liquid separation, the clear water is collected by the water collection tank (not shown) and sent to the disinfection tank by the clear water outlet pipe 52. The settled activated sludge in the secondary settling tank 20 is scraped and sucked by the half-bridge scraper and suction machine 21 to the central cylinder (not shown in the figure) and sent to the front anaerobic tank 40 through the sludge pipe 53, and is returned to the annular tank by the return sludge pump 61. The oxidation ditch 10 is preceded by an anaerobic zone 11, and in the preceding anaerobic zone 11, phosphobacteria release phosphorus to absorb phosphorus in the aerobic zone. The excess sludge is discharged to a dehydrator (not shown) through the excess sludge pump 62 for dehydration, and phosphorus is discharged out of the treatment system at the same time.

本实用新型将用于泥水分离的二沉池与环形氧化沟整合成一个设备，节省材料和用地。并采用简易先进的导流墙，防止曝气区上游水流倒流现象，节能效果显著。配合采用多功能表面曝气机，节能有效。The utility model integrates a secondary settling tank and an annular oxidation ditch for mud-water separation into one device, saving materials and land. A simple and advanced diversion wall is adopted to prevent backflow of upstream water flow in the aeration area, and the energy-saving effect is remarkable. With the use of multi-functional surface aerator, energy saving is effective.

Claims (4)

1, a kind of comprehensive oxidation ditch waste disposal plant comprises annular oxidation ditch, second pond; Be provided with surface aeration machine in the annular oxidation ditch; It is characterized in that: described second pond is arranged on the central position of annular oxygen ditch, is concentric structure with annular oxidation ditch.
2, a kind of comprehensive oxidation ditch waste disposal plant as claimed in claim 1, it is characterized in that: described annular oxidation ditch is divided into ditch inner region and preposition anaerobic zone; This ditch inner region is divided into outer raceway groove and interior raceway groove by a partition wall; Described surface aeration machine is two, is separately positioned on the top and the terminal of described partition wall.
3, a kind of comprehensive oxidation ditch waste disposal plant as claimed in claim 2 is characterized in that: angled one first training wall of establishing of the top of described partition wall raceway groove direction outside described; Angled one second training wall of establishing of the terminal of described partition wall channel direction in described.
4, a kind of comprehensive oxidation ditch waste disposal plant as claimed in claim 3 is characterized in that: the angle ranging from 45 °.
CNU2008202291124U 2008-11-21 2008-11-21 A synthesized oxidation ditch sewage treatment device Expired - Lifetime CN201296704Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101898827A (en) * 2010-03-16 2010-12-01 莱昴哈德富克斯和马丁富克斯发明公司 Be used for activated sludge process and facility that biological municipal sewage is handled
CN102010106A (en) * 2010-12-02 2011-04-13 福州城建设计研究院 Integrated high-efficiency oxidation ditch and sewage treatment process thereof
CN102020394B (en) * 2009-09-17 2012-09-05 东莞市红树林环保科技有限公司 Sewage treatment system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102020394B (en) * 2009-09-17 2012-09-05 东莞市红树林环保科技有限公司 Sewage treatment system
CN101898827A (en) * 2010-03-16 2010-12-01 莱昴哈德富克斯和马丁富克斯发明公司 Be used for activated sludge process and facility that biological municipal sewage is handled
CN102010106A (en) * 2010-12-02 2011-04-13 福州城建设计研究院 Integrated high-efficiency oxidation ditch and sewage treatment process thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: GARDEN ENVIRONMENTAL PROTECTION CO., LTD.

Free format text: FORMER NAME: FUZHOU GARDEN ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD.

CP03 Change of name, title or address

Address after: 350000 Gulou District, Fuzhou, Fuzhou Software Park, No. 89, software park, building C, No. 27

Patentee after: GARDEN ENVIRONMENTAL PROFECTION

Address before: 350003, No. 29, building A, zone five, Fuzhou Software Park, 89 software Avenue, Gulou District, Fujian, Fuzhou

Patentee before: Fuzhou Garden Environmental Protection Engineering Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20090826