CN101811800B - Domestic sewage treatment device - Google Patents
Domestic sewage treatment device Download PDFInfo
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- CN101811800B CN101811800B CN2010101394750A CN201010139475A CN101811800B CN 101811800 B CN101811800 B CN 101811800B CN 2010101394750 A CN2010101394750 A CN 2010101394750A CN 201010139475 A CN201010139475 A CN 201010139475A CN 101811800 B CN101811800 B CN 101811800B
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- anaerobic digester
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- sedimentation
- filtrating area
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a domestic sewage treatment device, which is suitable to treat rural domestic sewage and decentralized domestic sewage, outside urban sewage pipe network, from units, office buildings, residential areas, dwelling buildings, hotels, public toilets and other places. The domestic sewage treatment device of the invention comprises a grit chamber, an anaerobic digester and an ecological purification filter chamber which are connected in turn, wherein a grit area, a trapping are arranged in the grit chamber and a flow guide area and an anaerobic filter area are arranged in the anaerobic digester and multiple vertically baffling sedimentation and filtration area with an aerobic area; and therefore, the effluent of the sewage treated by the domestic sewage treatment device can meet the requirements of Domestic Sewage Comprehensive Discharge Standards GB8978-1996 for first-grade effluent. All structures are buried underground, power is not required, the floor area occupation is small, the management is simple and convenient, operation cost is avoided basically, the surrounding landscape is not influenced, and the environment is beautified.
Description
Technical field
The present invention relates to a kind of sewage treatment unit, this device is fit to handle the sanitary sewage that domestic sewage in rural areas by using or town sewage pipe network unit, office building, population center, dwelling house, hotel, school and Public toilets in addition etc. disperse discharging.
Background technology
At present, the device that is used to handle domestic sewage in rural areas by using or other dispersed wastewater mainly contains sanitary sewage purifying biogas generating pit, artificial swamp, stabilization pond etc., and wherein, sanitary sewage purifying biogas generating pit has obtained using widely.This device is made up of grid catch basin, catch-basin, pre-treatment district 1, pre-treatment district 2 and post processing zone.The total waterpower of system residence time is 3-5 days, wherein pre-treatment district 1 and pre-treatment district 2 are the two-stage anaerobic digestion pond, post processing zone is facultative biological filter, and its technical process is: sanitary sewage → grid → catch basin → catch-basin pre-treatment district 1 → pre-treatment district, 2 → post processing zone → discharge or connect oxygen to handle.Sanitary sewage purifying biogas generating pit adopts brick mix structure or skeleton construction, each pond of system all is embedded in underground, Chi Ding covers, do not influence surrounding landscape, but its water outlet generally can only reach " integrated wastewater discharge standard " secondary requirement (GB8978-1996), and undesirable for the removal effect of ammonia nitrogen, phosphorus.
Summary of the invention
The objective of the invention is to for the removal effect that overcomes ammonia nitrogen that existing sanitary sewage purifying biogas generating pit exists, phosphorus undesirable, water outlet can not reach the deficiency that " integrated wastewater discharge standard " one-level (GB8978-1996) requires, and provide a kind of sewage treatment unit, this device organic concentration in the sanitary sewage of can not only effectively degrading, make water outlet after the processing reach one-level requirement among " integrated wastewater discharge standard " GB8978-1996, and, investment littler than the sanitary sewage purifying biogas generating pit floor space of same volume more economize.
The technical solution adopted for the present invention to solve the technical problems is: a kind of sewage treatment unit, it is characterized in that: described sewage treatment unit comprises settling pit, anaerobic digester and the ecological purification filter tank that connects successively, wherein, the import of described settling pit between outlet, be hung with half with not ing the partition wall in water settling pit is divided into the sand setting district and holds back the district, settling pit is provided with grid one before exporting; The slag passage is taken out in the charging that described anaerobic digester ingress is provided with vertically downward, charging is taken out the slag channel bottom and is higher than the anaerobic digester base plate, taking out the slag channel outlet around charging is provided with and bent to training wall anaerobic digester inside is divided into water conservancy diversion district and anaerobism filtrating area, training wall is provided with a plurality of flow-guiding mouths, flow-guiding mouth is positioned at the middle and upper part of training wall, slag-drip opening is established in the training wall bottom, training wall top and bay wall top maintain an equal level, be provided with the symmetric twice choking wall of encorbelmenting at the anaerobism filtrating area, the anaerobism filtrating area is installed elastic filler, the anaerobic digester outlet is arranged on the anaerobism filtrating area, and the anaerobic digester top is reserved with the biogas pneumatic tube; Establish the sedimentation and filtration district of multiple tracks vertical baffling in the ecological purification filter tank, second road to the upstream in extreme trace sedimentation and filtration district is provided with aerobic zone, top, sedimentation and filtration district is provided with overflow port, the sedimentation and filtration district water outlet of preceding road enters the aerobic zone in sedimentation and filtration district, road, back by overflow port, the aerobic zone water surface communicates with atmosphere, the bottom of aerobic zone is with following sedimentation and filtration district below UNICOM, bottom, described sedimentation and filtration district is the settling region, top is filtrating area, the filtrating area bottom is provided with the perforated filter plate, on it to down and on multilayer be set filter filler only, sewage from bottom to top filters the back and flows out from the top overflow port.
As the further setting of the present invention: the bottom of holding back the district in the described settling pit is higher than bottom, sand setting district, and tilts to the sand setting district, and described grid setting angle becomes 50 ° ~ 80 ° angles with level; Described anaerobic digester adopts the round shape pool-type structure, the bottom becomes sphere shape, the charging of described anaerobic digester is taken out the charging scum pipe that the slag passage takes out slag well and bottom by charging and is constituted, charging scum pipe bottom is higher than the anaerobic digester base plate, described training wall is and the relative curved wall of import place pool wall, elastic filler is that the cubic bodily form is hung between anaerobic digester outlet and training wall and the choking wall, the elastic filler height is identical with the bay wall height, flow-guiding mouth is arranged on the two ends near the arc training wall, slag-drip opening is arranged on arc training wall intermediary bottom, described choking wall is the symmetric twice partition walls of encorbelmenting, and length is 1/61/4 of anaerobic digester diameter; Described ecological purification filter tank is provided with sedimentation and filtration district, five roads, and the clean filter filler in the first road filtrating area is made of Wingdale; Second and third, the clean filter filler in the four road filtrating areas is made of Wingdale, charcoal and cinder to going up down; Clean filter filler in the 5th road filtrating area is made of charcoal and quartz sand.
Further be provided with as of the present invention: described each filtrating area top, road also is provided with artificial soil, form by microlith and planting soil, plant the herbaceous plant of well developed root system above, screen plate can adopt concrete prefabricated board to punching or stay seam to lay, and extreme trace filtrating area source, ecological purification filter tank is provided with the detection well.
Compared with prior art, the invention has the beneficial effects as follows: sanitary sewage is removed macrobead solid impurity and levitated object through settling pit earlier, insert anaerobic digester then, sewage most of organism in anaerobic digester obtains degraded, the COD clearance can reach more than 70%, the parasitic ovum clearance reaches more than 90%, the further degradation of organic substances in ecological purification filter tank is passed through in the water outlet of anaerobic digester again, utilize the herbaceous plant and the clean filter of the combination filler of well developed root system to improve the ammonia nitrogen of sanitary sewage, the clearance of phosphorus, make water outlet reach emission request.With the anaerobic digester processing sanitary sewage that combines with the ecological purification filtering basin, system's anti impulsion load ability is strong, and treatment effect is good, and no excess sludge and foul smell produce in the treating processes.The system and arranging thing all is embedded in below ground, do not need power, floor space is little, cost is low, management is simple and convenient, do not have working cost substantially, does not influence view on every side simultaneously, also can beautify the environment, water outlet can reach the one-level requirement of " integrated wastewater discharge standard " GB8978-1996.
The present invention is further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a process flow sheet of the present invention
Fig. 2 is the planar configuration figure of this sewage treatment unit embodiment
Fig. 3 is the longitudinal section structural map of Fig. 2
1. settling pits among the figure, 2. anaerobic digester, 3. ecological purification filter tank, 4. detection well, 5. water inlet pipe, 6. partition wall, 7. grid, 8. the slag well is taken out in charging, 9. charging dreg-drawing pipe, 10. arc training wall, 11. flow-guiding mouths, 12. slag-drip openings, 13. choking wall, 14. elastic fillers, 15. biogas pneumatic tubes, 16. herbaceous plant 16,17. filter filler I only, 18. clean filter filler II, 19. clean filter filler III, 20. overflow port, 21. rising pipes, 22. pipe connectings
Embodiment
As shown in Figures 2 and 3, sewage treatment unit comprises settling pit 1, anaerobic digester 2 and the ecological purification filter tank 3 that is connected by pipe connecting 22 successively.Settling pit 1 is a rectangle, and sanitary sewage enters settling pit 1 by water inlet pipe 5.Being hung with partition wall 6 between the import of settling pit 1 and the outlet is divided into the sand setting district and holds back the district, the bottom of holding back the district is higher than bottom, sand setting district, and tilt to the sand setting district, partition wall 6 can adopt brick structures or concrete prefabricated board, the top is higher than water surface 200mm, be convenient to tackle levitated object, the bottom is higher than pond base plate 300mm, makes the sediment of holding back the district can be back to the sand setting district; Hold back the district grid 7 is installed, with interception comparatively large vol solid, grid 7 is made by stainless (steel) wire sheet or reinforcing mat, and setting angle becomes 50 ° ~ 80 ° angles with level, and it is good being generally 60 ° of angles.Anaerobic digester 2 adopts the pool-type structure of round shape methane-generating pits, and the bottom becomes sphere shape, and the ingress of anaerobic digester 2 is provided with charging and takes out slag well 8, and the below that slag well 8 is taken out in charging connects charging scum pipe 9 and enters that anaerobic digester 2 is inner to be constituted chargings and take out the slag passage.Charging scum pipe bottom is higher than anaerobic digester 2 base plates, is good with 500mm, has the function of charging and deslagging simultaneously concurrently.Anaerobic digester 2 imports and outlet preferably are on the pool wall of symmetric both sides, the center of circle, training wall 10 is that the curved wall relative with import place pool wall constitutes, elastic filler 14 is hung between anaerobic digester 2 outlets and training wall 10 and the choking wall 13 for the cubic bodily form, spacing 150mm * 150mm is hung in elastic filler 14 in this specific embodiment, height is identical with the bay wall height, and arc training wall 10 and choking wall 13 tops and bay wall top maintain an equal level.Arc training wall 10 is divided into water conservancy diversion district and anaerobism filtrating area with anaerobic digester 2 inside, and arc training wall 10 can adopt brick structures or concrete cast-in-situ.Choking wall 13 is the symmetric twice partition wall 6 of encorbelmenting, and length is the 1/6-1/4 choking wall 13 of anaerobic digester 2 diameters, from the both sides of elastic filler 14 and bottom with anaerobism filtrating area separated into two parts; Flow-guiding mouth 11 is provided with near the two ends of arc training wall 10, be of a size of 300mm * 300mm in this specific embodiment, slag-drip opening 12 is arranged on arc training wall 10 intermediary bottom, sewage is by the flow-guiding mouth 11 on the training wall 10, simultaneously under the cooperation of choking wall 13, in the pond, form bent between training wall 10 and the choking wall 13 to flow process, flow-guiding mouth 11 distance from top arc training walls 10 top 200mm, the slag-drip opening 12 that it is 400mm * 300mm that a dimension of opening is established in arc training wall 10 bottoms, biogas pneumatic tube 15 is reserved at anaerobic digester 2 tops, and the biogas that anaerobic fermentation is given birth to obtains utilizing.Sewage inserts ecological purification filter tank 3 by pipe connecting 22 after anaerobic digester 2 is removed most of organic impurity.Establish multiple tracks vertical baffling sedimentation and filtration district in the ecological purification filter tank 3, be provided with five roads in this specific embodiment.Second road to the upstream in extreme trace sedimentation and filtration district is provided with aerobic zone, is separated by brick wall between each district.Top, sedimentation and filtration district is provided with overflow port 20, the sedimentation and filtration district water outlet of preceding road enters the aerobic zone in sedimentation and filtration district, road, back by overflow port 20, the aerobic zone water surface communicates with atmosphere, the bottom of aerobic zone is with following sedimentation and filtration district below UNICOM, and sewage carries out entering next sedimentation and filtration district, road after the nature oxygenation through aerobic zone.Described sedimentation and filtration district bottom be the settling region, and top is filtrating area, and the filtrating area bottom is provided with the perforated filter plate, it on to down and on multilayer be set filter filler only, after sewage from bottom to top filters from 20 outflows of top overflow port.The settling region height is not less than 600mm; Top, settling region is filtrating area, filtrating area to down and on be followed successively by screen plate, one deck palm fibre sheet (or bamboo net sheet), filter filler only, the filtrating area top covers artificial soil, above planting aquatic plants.Screen plate in the first road filtrating area is lower than liquid level 500mm, filters filler I 17 only and is made of the thick Wingdale of 300mm; Second and third, the screen plate in the four road filtrating areas is higher than pond base plate 600mm, filter filler II 18 only and constitute by the thick Wingdale of 300mm, the thick charcoal of 300mm and the thick cinder of 400mm; Screen plate in the 5th road filtrating area is lower than liquid level 800mm, filters filler III19 only and is made of thick charcoal of 300mm and the thick quartz sand of 300mm; The artificial soil at each filtrating area top is made up of thick microlith of 200mm and the thick planting soil of 200-300mm, and the herbaceous plant 16 of plantation well developed root system can be selected waterplant such as Canna generalis Bailey, calamus above; Screen plate can adopt concrete prefabricated board to punching or stay seam to lay.Ecological purification filter tank 3 water outlets well 4 after testing detect back up to standard by rising pipe 21 dischargings.
Sanitary sewage enters this sewage treatment unit after behind settling pit 1 removal macrobead solid impurity and the levitated object, insert anaerobic digester 2.Anaerobic digester 2 combines the function in the pre-treatment district 1 and the pre-treatment district 2 of purifying biogas generating pit, be divided into water conservancy diversion district and anaerobism filtrating area by multi-way guide wall 10 in the pond, multi-way guide wall 10 is made up of arc training wall 10 and choking wall 13, sewage enters the anaerobism filtrating area by the flow-guiding mouth on the arc training wall 10 11, under the baffle effect of choking wall 13, form bent form to cloth, prolonged the flow process of sewage in digester, both reached the effect of second order fermentation, the short flow phenomenon of having avoided existing purifying biogas generating pit to exist simultaneously; Elastic filler 14 is installed at anaerobism filtrating area middle part, has improved the anti-high loading impact capacity and the organic clearance of anaerobic digester 2.The hydraulic detention time of anaerobic digester 2 is 1.5-2 days, and sewage is after anaerobic digestion, and the COD clearance can reach more than 70%, and the parasitic ovum clearance reaches more than 90%.Owing to only established an anaerobic digester 2, therefore avoided the pond body weight of a plurality of digesters to rebuild and established, reduced the facility cost.Sewage inserts ecological purification filter tank 3 again after anaerobic digester 2 is removed most of organic impurity.Establish vertical baffling sedimentation and filtration district, five roads in the ecological purification filter tank 3, bottom, sedimentation and filtration district is the settling region, screen plate is laid on top, settling region, the clean filter of combination filler is installed on it, adopt the stronger cinder of preferable Wingdale of phosphor-removing effect and adsorption filtration ability, charcoal, quartz sand etc., make phosphorus and insoluble organism in filtrating area, constantly be trapped removal,, prevent that filler from stopping up screen plate and having improved biological filter effect simultaneously at the clean filter of combination filler bottom shop one deck palm fibre sheet or bamboo net sheet; Top, sedimentation and filtration district covers artificial soil, is made up of microlith and planting soil, plants the herbaceous plant of well developed root system above, assists in removing compositions such as ammonia nitrogen in the sewage, phosphorus; Be aerobic zone between each sedimentation and filtration district, the aerobic zone water surface communicates with atmosphere, and sewage is fully contacted with oxygen, has improved the removal effect of ammonia nitrogen, makes water outlet reach emission request.The hydraulic detention time in ecological purification filter tank 3 is 2-3 days.
Claims (3)
1. sewage treatment unit, it is characterized in that: described sewage treatment unit comprises settling pit, anaerobic digester and the ecological purification filter tank that connects successively, wherein, the import of described settling pit between outlet, be hung with half with not ing the partition wall in water settling pit is divided into the sand setting district and holds back the district, settling pit is provided with grid one before exporting; The slag passage is taken out in the charging that described anaerobic digester ingress is provided with vertically downward, charging is taken out the slag channel bottom and is higher than the anaerobic digester base plate, taking out the slag channel outlet around charging is provided with and bent to training wall anaerobic digester inside is divided into water conservancy diversion district and anaerobism filtrating area, training wall is provided with a plurality of flow-guiding mouths, flow-guiding mouth is positioned at the middle and upper part of training wall, slag-drip opening is established in the training wall bottom, training wall top and bay wall top maintain an equal level, be provided with the symmetric twice choking wall of encorbelmenting at the anaerobism filtrating area, the anaerobism filtrating area is installed elastic filler, the anaerobic digester outlet is arranged on the anaerobism filtrating area, and the anaerobic digester top is reserved with the biogas pneumatic tube; Establish the sedimentation and filtration district of multiple tracks vertical baffling in the ecological purification filter tank, second road to the upstream in extreme trace sedimentation and filtration district is provided with aerobic zone, top, sedimentation and filtration district is provided with overflow port, the sedimentation and filtration district water outlet of preceding road enters the aerobic zone in sedimentation and filtration district, road, back by overflow port, the aerobic zone water surface communicates with atmosphere, the bottom of aerobic zone is with following sedimentation and filtration district below UNICOM, bottom, described sedimentation and filtration district is the settling region, top is filtrating area, the filtrating area bottom is provided with the perforated filter plate, on it to down and on multilayer be set filter filler only, sewage from bottom to top filters the back and flows out from the top overflow port.
2. sewage treatment unit according to claim 1 is characterized in that: the bottom of holding back the district in the described settling pit is higher than bottom, sand setting district, and tilts to the sand setting district, and described grid setting angle becomes 50 ° ~ 80 ° angles with level; Described anaerobic digester adopts the round shape pool-type structure, the bottom becomes sphere shape, the charging of described anaerobic digester is taken out the charging scum pipe that the slag passage takes out slag well and bottom by charging and is constituted, charging scum pipe bottom is higher than the anaerobic digester base plate, described training wall is and the relative curved wall of import place pool wall, elastic filler is that the cubic bodily form is hung between anaerobic digester outlet and training wall and the choking wall, the elastic filler height is identical with the bay wall height, flow-guiding mouth is arranged on the two ends near the arc training wall, slag-drip opening is arranged on arc training wall intermediary bottom, described choking wall is the symmetric twice partition walls of encorbelmenting, and length is the 1/6-1/4 of anaerobic digester diameter; Described ecological purification filter tank is provided with sedimentation and filtration district, five roads, and the clean filter filler in the first road filtrating area is made of Wingdale; Second and third, the clean filter filler in the four road filtrating areas is made of Wingdale, charcoal and cinder to going up down; Clean filter filler in the 5th road filtrating area is made of charcoal and quartz sand.
3. sewage treatment unit according to claim 2, it is characterized in that: described each filtrating area top, road also is provided with artificial soil, form by microlith and planting soil, plant the herbaceous plant of well developed root system above, screen plate adopts concrete prefabricated board to punching or stays seam to lay, and extreme trace filtrating area source, ecological purification filter tank is provided with the detection well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101394750A CN101811800B (en) | 2009-08-28 | 2010-03-08 | Domestic sewage treatment device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920192812.5 | 2009-08-28 | ||
| CN200920192812 | 2009-08-28 | ||
| CN2010101394750A CN101811800B (en) | 2009-08-28 | 2010-03-08 | Domestic sewage treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN101811800A CN101811800A (en) | 2010-08-25 |
| CN101811800B true CN101811800B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101394750A Expired - Fee Related CN101811800B (en) | 2009-08-28 | 2010-03-08 | Domestic sewage treatment device |
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| CN (1) | CN101811800B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101744B (en) * | 2011-01-11 | 2012-08-29 | 山东省农业科学院农业资源与环境研究所 | Biogas slurry treatment system for use in biogas project |
| CN103241891B (en) * | 2012-02-03 | 2016-05-04 | 赵峰 | A kind of water body cuts dirt disappear pollution discharge treatment method and technique |
| CN102757159B (en) * | 2012-08-08 | 2014-08-20 | 南京大学 | Novel papermaking black liquor treatment method and system |
| ITFI20130077A1 (en) * | 2013-04-05 | 2014-10-06 | Cecchini Emiliano | WATER SYSTEM FOR PURIFICATION OF WATER |
| CN104016554A (en) * | 2014-06-27 | 2014-09-03 | 贵州华源环保科技发展有限公司 | Landscape ecological treatment system |
| CN105036397B (en) * | 2015-08-07 | 2017-02-01 | 葛洲坝集团电力有限责任公司 | Waste water treatment system capable of achieving gradation and self-filtration of sludge |
| CN107278811A (en) * | 2017-07-19 | 2017-10-24 | 金寨益企学农业科技有限公司 | A kind of field irrigation water treatment facilities |
| CN110015809A (en) * | 2019-03-26 | 2019-07-16 | 甘肃凯瑞环保科技有限公司 | A kind of novel water treatment device |
| CN112777739A (en) * | 2021-01-16 | 2021-05-11 | 安徽华荣环保科技有限公司 | Unpowered anaerobic tank and constructed wetland biodegradation system |
| CN113511778B (en) * | 2021-06-01 | 2023-01-31 | 成都师范学院 | A mobile sewage treatment device |
| CN113880359A (en) * | 2021-10-20 | 2022-01-04 | 深圳顺天环保实业有限公司 | Sewage treatment system for micro-power biological ecological purification |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7300570B2 (en) * | 2003-02-27 | 2007-11-27 | Se Gi Synthetic Environment Co., Ltd. | Apparatus and method for treating wastewater using contact media |
| CN100381376C (en) * | 2006-04-23 | 2008-04-16 | 胡海良 | Full-ecological high-efficiency water-treating integral method and apparatus |
| CN201010603Y (en) * | 2006-12-25 | 2008-01-23 | 梅家驹 | Conical sand-wall bio-filter sewage processing pool |
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