CN101792241B - Integrated automatic sludge returning aeration and sedimentation device - Google Patents
Integrated automatic sludge returning aeration and sedimentation device Download PDFInfo
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- CN101792241B CN101792241B CN2010101394661A CN201010139466A CN101792241B CN 101792241 B CN101792241 B CN 101792241B CN 2010101394661 A CN2010101394661 A CN 2010101394661A CN 201010139466 A CN201010139466 A CN 201010139466A CN 101792241 B CN101792241 B CN 101792241B
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- aeration
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- integrated automatic
- sedimentation device
- sedimentation
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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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Abstract
The invention discloses an integrated automatic sludge returning aeration and sedimentation device, which comprises an aeration unit and a sedimentation unit, wherein no partition wall is arranged between the aeration unit and the sedimentation unit; a water distribution channel is arranged at one lengthwise end of the sedimentation unit in an isolated manner, and a water collection channel is arranged at the other lengthwise end of the sedimentation unit; the upper end of a partition wall between the water distribution channel and the aeration unit is provided with a communication hole; the bottom part of the water distribution channel is provided with water distribution holes; the water collection channel is provided with an overflow hole communicated with the sedimentation unit; the aeration unit and the sedimentation unit are communicated with each other at the bottom through a sludge return gap; an aeration device is arranged on the bottom part of the aeration unit and on the side close to the sedimentation unit; the air flow direction of the aeration device is against the sedimentation unit; a single lateral sludge hopper is arranged on the bottom part of the sedimentation unit in a manner of inclining toward the aeration unit; and the lower ends of the water distribution holes are connected with water distribution pipes. The device can reduce energy consumption effectively, make the operation simple, reduce operation management complexity and realize effective treatment of domestic sewage.
Description
Technical field
The present invention relates to sewage treatment area, particularly a kind of integrated automatic sludge returning aeration and sedimentation device is specially adapted in middle-size and small-size sanitary sewage disposal engineering, the small-sized industrial enterprise waste water treatment engineering.
Background technology
China's town domestic sewage treatment technology level is uneven at present, and treatment scale is not of uniform size.Larger urban wastewater treatment firm can require to design and construct according to design specifications, realizes effective processing, the qualified discharge of sanitary sewage; And lower for level of management, but treatment scale is less, small-sized small towns of economy ability to bear difference, village etc., need to adopt sewage treatment technology simple, effective, simple and convenient management, or even the treatment facility of cover simple integral type, a point-and-shoot, under unattended situation, realize the sanitary sewage qualified discharge.
Summary of the invention
The object of the invention is to provide a kind of integrated automatic sludge returning aeration and sedimentation device, and the complexity of the energy consumption of minimizing sewage disposal, reduction sewage treatment process, easy and simple to handle makes small-sized sanitary sewage disposal reach integral type, point-and-shoot.
To achieve these goals, the present invention adopts following technical scheme: integrated automatic sludge returning aeration and sedimentation device, comprise aeration unit and precipitation unit, be provided with partition wall between aeration unit and the precipitation unit, end isolation is provided with the cloth tank to precipitation unit in the longitudinal direction, the other end isolation is provided with water leg; Partition wall upper end between cloth tank and the aeration unit is provided with communicating aperture, and the cloth bottom of gullet is provided with water distributing pore; Water leg is provided with the overflow weir that is communicated with precipitation unit; Aeration unit and precipitation unit are communicated with by the mud backflow seam that is provided with in the bottom, and the aeration unit bottom is provided with aerating apparatus near precipitation unit one side, and the air flow line of aerating apparatus is precipitation unit one side dorsad; The precipitation unit bottom angled is provided with one-sided to sludge bucket, sludge bucket aspect aeration unit one side.
Described water distributing pore lower end is connected with water distributor.
Described sludge bucket and horizontal direction angular range are 45 °～55 °.
Described mud refluxes and stitches width is 300mm～500mm.
Described aerating apparatus is a jet aerator, evenly is arranged on the aeration unit bottom near settling tank one side.
Described aerating apparatus is an aeration tube, is laid on the aeration unit bottom near settling tank one side.
Described aeration unit is set to rectangle, and the length of air flow line is 1: 1～2: 1 with ratio perpendicular to the width of air flow line.
The length of described air flow line is 3: 1～2: 1 with ratio perpendicular to the width of air flow line.
Described aeration unit carries out lattice and many jet aerators evenly is set respectively.
Described precipitation unit long-width ratio is 4: 1～3: 1, and depth-to-width ratio is 3: 1～1.5: 1.
The present invention can effectively reduce small-sized sanitary sewage and adopt and sludge reflux pump is set to the consumption of the energy with reduce the complexity of operational management in the Activated Sludge Process implementation process, can realize sanitary sewage is effectively handled.For trade effluent, especially the small industrial enterprise of wastewater treatment when adopting activated sludge method processing technique, under the prerequisite that guarantees qualified discharge after the wastewater treatment, realizes purpose easy and simple to handle, as to reduce processing costs.By the integral type setting of activated sludge process aeration unit and precipitation unit, ingenious arrangement aeration mode is realized the backflow certainly of mud, saves the power consumption that mud refluxes, the purpose of reach energy-conservation, simplifying operation.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation of embodiment 2;
Fig. 4 is the B-B sectional view of Fig. 3.
Embodiment
Embodiment 1: as shown in Figure 1 and Figure 2, integrated automatic sludge returning aeration and sedimentation device mainly is made up of aeration unit 1 and precipitation unit 2, be provided with partition wall 13 between aeration unit 1 and the precipitation unit 2, end isolation is provided with cloth tank 5 to precipitation unit 2 in the longitudinal direction, the other end isolation is provided with water leg 7; Partition wall 13 upper ends between cloth tank 5 and the aeration unit 1 are provided with communicating aperture 4, cloth tank 5 bottoms are provided with water distributing pore 6, water distributing pore 6 lower ends are connected with water distributor 12, water distributor 12 end openings preferably are positioned at half place of precipitation unit 2 liquid levels, prevent from also not have abundant precipitation just to enter in the water leg 7, influence treatment effect; Water leg 7 is provided with the overflow weir that is communicated with precipitation unit 2; Aeration unit 1 and precipitation unit 2 are communicated with by mud backflow seam 9 in the bottom, make mud successfully flow to aeration unit 1 by precipitation unit 2; Aerating apparatus is arranged on aeration unit 1 bottom near precipitation unit 2 one sides, and the air flow line 10 of aerating apparatus is precipitation unit 2 one sides dorsad.Form local decompression because the mobile of air and mixed solution flows, mud refluxes automatically; Precipitation unit 2 is provided with one-sided to sludge bucket 8, aspect aeration unit 1 one sides.
In the present embodiment, at the bottom of the aerating apparatus of aeration unit 1 adopts jet aerator 3, air flow line 10 to be parallel to the pond, perpendicular to the mud seam 9 that refluxes; Precipitation unit 2 adopts one-sided to sludge bucket 8, and sludge bucket 8 inclined-plane aspect mud reflux and stitch 9, and the domatic tilt angle alpha of sludge bucket 8 is 45 °～55 °.Mud refluxes and stitches 9 width 300mm～500mm.
When adopting jet-flow aeration, aeration unit 1 can be set to rectangle, and the length of air flow line 10 is 1: 1～2: 1 with ratio perpendicular to the width of air flow line 10, and the aeration tank can carry out lattice, select many aerators for use when larger; Precipitation unit 2 long-width ratios are 4: 1～3: 1, and depth-to-width ratio is 3: 1～1.5: 1, to realize the reasonable setting of sludge bucket 8; Precipitation unit 2 water inlets are provided with cloth tank 5, water outlet design water leg 7, flow-shape in the settling unit 2.
Treatment effect:
Sanitary sewage is about 0.3～0.4 yuan of/ton water of processing costs when COD＜60mg/L, NH3-N＜15mg/L after this device is handled; Processing units such as oxygen-starved area or follow-up artificial swamp are set before this device when needing dephosphorization denitrogenation.The present invention also can be processed into the equipment of different size, makes small-sized sanitary sewage disposal reach integral type, point-and-shoot.
Embodiment 2: as shown in Figure 3, Figure 4, be that with the difference of embodiment 1 aerating apparatus adopts air-diffuser, for example perforation adopts aeration tube, micro-pore aeration first-class, adopt aeration tube 11 in the present embodiment, air-diffuser axis machine direction horizontal direction at the bottom of the pond arrange and dorsad precipitation unit arrange.
When adopting air-diffuser, the length of air flow line 10 with perpendicular to the ratio of the width of air flow line 10 3: 1～2: 1.
Claims (10)
1. integrated automatic sludge returning aeration and sedimentation device is characterized in that: comprise aeration unit and precipitation unit, be provided with partition wall between aeration unit and the precipitation unit, a precipitation unit end is in the longitudinal direction isolated and cloth tank, the other end are set are isolated water leg is set; Partition wall upper end between cloth tank and the aeration unit is provided with communicating aperture, and the cloth bottom of gullet is provided with water distributing pore; Water leg is provided with the overflow weir that is communicated with precipitation unit; Aeration unit and precipitation unit are communicated with by the mud backflow seam that is provided with in the bottom, and the aeration unit bottom is provided with aerating apparatus near precipitation unit one side, and the air flow line of aerating apparatus is precipitation unit one side dorsad; The precipitation unit bottom angled is provided with one-sided to sludge bucket, sludge bucket aspect aeration unit one side.
2. integrated automatic sludge returning aeration and sedimentation device according to claim 1 is characterized in that: described water distributing pore lower end is connected with water distributor.
3. integrated automatic sludge returning aeration and sedimentation device according to claim 1 and 2 is characterized in that: described sludge bucket and horizontal direction angular range are 45 °～55 °.
4. integrated automatic sludge returning aeration and sedimentation device according to claim 3 is characterized in that: described mud refluxes and stitches width is 300mm～500mm.
5. integrated automatic sludge returning aeration and sedimentation device according to claim 4 is characterized in that: described aerating apparatus is a jet aerator, evenly is arranged on the aeration unit bottom near settling tank one side.
6. integrated automatic sludge returning aeration and sedimentation device according to claim 4 is characterized in that: described aerating apparatus is an aeration tube, is laid on the aeration unit bottom near settling tank one side.
7. integrated automatic sludge returning aeration and sedimentation device according to claim 5 is characterized in that: described aeration unit is set to rectangle, and the length of air flow line is 1: 1～2: 1 with ratio perpendicular to the width of air flow line.
8. integrated automatic sludge returning aeration and sedimentation device according to claim 6 is characterized in that: the length of described air flow line is 3: 1～2: 1 with ratio perpendicular to the width of air flow line.
9. integrated automatic sludge returning aeration and sedimentation device according to claim 7 is characterized in that: described aeration unit carries out lattice and many jet aerators evenly is set respectively.
10. according to claim 7,8,9 arbitrary described integrated automatic sludge returning aeration and sedimentation devices, it is characterized in that: described precipitation unit long-width ratio is 4: 1～3: 1, and depth-to-width ratio is 3: 1～1.5: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101394661A CN101792241B (en) | 2010-04-06 | 2010-04-06 | Integrated automatic sludge returning aeration and sedimentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101394661A CN101792241B (en) | 2010-04-06 | 2010-04-06 | Integrated automatic sludge returning aeration and sedimentation device |
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| Publication Number | Publication Date |
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| CN101792241A CN101792241A (en) | 2010-08-04 |
| CN101792241B true CN101792241B (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101394661A Expired - Fee Related CN101792241B (en) | 2010-04-06 | 2010-04-06 | Integrated automatic sludge returning aeration and sedimentation device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923858A (en) * | 2012-11-28 | 2013-02-13 | 哈尔滨工业大学 | Negative-pressure internal circulation reactor and method for treating sewage by utilizing reactor |
| CN104743679B (en) * | 2015-03-27 | 2017-07-28 | 上海海洋大学 | A kind of continuous flow type bioflocculation water processing reactor and its method |
| CN104737952B (en) * | 2015-03-27 | 2017-11-24 | 上海海洋大学 | A kind of shallow water runway recognition system and method based on bioflocculation reactor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111288U (en) * | 1991-06-12 | 1992-07-29 | 济南市水处理技术实验所 | Aeration and precipitating integrated water purifying device |
| CN1696069A (en) * | 2004-05-13 | 2005-11-16 | 中国科学院生态环境研究中心 | Integrative reactor for biologic phosphorus removal and denitrogenation from sewage circulated in 3D |
| DE102004019962A1 (en) * | 2004-04-23 | 2005-11-17 | Busse Gmbh | Small portable plant for treatment of raw domestic sewage and gray water includes provisions for sedimentation, activated sludge treatment, and maintenance |
| CN200940108Y (en) * | 2006-08-15 | 2007-08-29 | 武汉加华科技有限公司 | Integrated, up-flow type aeration and filtration wastewater treatment equipment |
| CN201678562U (en) * | 2010-04-06 | 2010-12-22 | 河南省环境保护科学研究院 | Integrated sludge self-backflow aeration sediment device |
-
2010
- 2010-04-06 CN CN2010101394661A patent/CN101792241B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111288U (en) * | 1991-06-12 | 1992-07-29 | 济南市水处理技术实验所 | Aeration and precipitating integrated water purifying device |
| DE102004019962A1 (en) * | 2004-04-23 | 2005-11-17 | Busse Gmbh | Small portable plant for treatment of raw domestic sewage and gray water includes provisions for sedimentation, activated sludge treatment, and maintenance |
| CN1696069A (en) * | 2004-05-13 | 2005-11-16 | 中国科学院生态环境研究中心 | Integrative reactor for biologic phosphorus removal and denitrogenation from sewage circulated in 3D |
| CN200940108Y (en) * | 2006-08-15 | 2007-08-29 | 武汉加华科技有限公司 | Integrated, up-flow type aeration and filtration wastewater treatment equipment |
| CN201678562U (en) * | 2010-04-06 | 2010-12-22 | 河南省环境保护科学研究院 | Integrated sludge self-backflow aeration sediment device |
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| CN101792241A (en) | 2010-08-04 |
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