CN102295386A - Composite ecological filter for treating domestic sewage and treatment method thereof - Google Patents
Composite ecological filter for treating domestic sewage and treatment method thereof Download PDFInfo
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- CN102295386A CN102295386A CN 201110174826 CN201110174826A CN102295386A CN 102295386 A CN102295386 A CN 102295386A CN 201110174826 CN201110174826 CN 201110174826 CN 201110174826 A CN201110174826 A CN 201110174826A CN 102295386 A CN102295386 A CN 102295386A
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Abstract
A composite ecological filter for treating domestic sewage and a treatment method thereof of the invention relates to a composite ecological filter device for treating rural domestic sewage, belongs to the field of environment protection and treatment, is a large-scale treatment device which treats a lot of miscellaneous drainage including domestic and agricultural production tail water in rural regions by using composite ecological purification technology. The filter comprises a water-charging part, a filter part, and a water-discharging part; the filter part is formed by serial connection of a first composite ecological filter unit, a second composite ecological filter unit, and a third composite ecological filter unit; the first composite ecological filter unit, the second composite ecological filter unit, and the third composite ecological filter unit are all provided with three filter material layers. Sewage is introduced from a water inlet at the bottom of a front-end pool wall of the first composite ecological filter unit; the water quality is purified by the bagged filter materials, and the water flows into the second composite ecological filter unit; the water quality is purified by the filter materials, and the water is introduced into the third composite ecological filter unit; the water quality is purified by the filter materials so as to obtain the purified water.
Description
Technical field
The present invention is a kind of, and what handle that the complex ecological filter tank of sanitary sewage and treatment process thereof relate to is a kind of complex ecological filter tank facility of handling domestic sewage in rural areas by using; belong to environment protection and improvement field; be a kind of complex ecological purification techniques that utilizes, handle the large-scale treatment facility that the assorted in a large number draining in Rural areas comprises life, agriculture production tail water.
Background technology
The more ecological purification processing mode of domestic domestic sewage in rural areas by using subsequent disposal utilization has artificial swamp tupe and stabilization pond tupe.
These technology have had utilization to a certain degree in the rural area, obtained wastewater purifying efficiency preferably, but exist certain problem, and are more much higher than traditional technology as artificial swamp technology floor space, and the variation of seasonal factor has also limited the development of wetland.
Stabilization pond is handled sewage by the helotism system, and the aerobic pool, anaerobic pond, facultative lagoon, aeration lagoon, ecological pond several types are arranged.It is a kind of treatment of Organic Wastewater pond, also has some shortcomings, and is too much as floor space, and it is bigger that decontamination effect improving is influenced by natural causes such as temperature, wind-force, if design or operational management are improper, can cause seepage, forms secondary pollution.Will regularly carry out artificial desilting at the bottom of the pool simultaneously, clear the pollution off, operation takes time and effort.
In order to remedy the weak point of artificial swamp tupe and stabilization pond tupe, need a kind of new more intensive, more stable sewage ecological purification tupe of exploitation.
In addition, a lot of rural areas of China are based on concentration of local and relative dispersive inhabitation pattern, and sanitary sewage is many just directly to enter natural water through the three-grid septic tank simple process, causes the body eutrophication of rural settlements's periphery serious., a kind ofly concentrate among a small circle, floor space is little, capital cost and running cost advanced treatment of wastewater technology lower, that be easy to safeguard press for and develop through the random contamination phenomenon that causes of row of preliminary treatment sewage at the rural area.
Summary of the invention
The objective of the invention is provides a kind of complex ecological filter tank and treatment process thereof of handling sanitary sewage at above-mentioned weak point, and it is a kind of complex ecological filter tank facility of the domestic sewage in rural areas by using based on the complex ecological purification techniques.The sewage that is primarily aimed at treated chemical oxygen demand COD<300mg/L is handled, and the hydrochemistry oxygen requirement COD of water outlet reaches the standard between 60 ~ 100mg/L.By physical action, chemical action, a series of processes of biological action, realize sewage recycling and innoxious.
A kind of complex ecological filter tank and treatment process thereof of handling sanitary sewage of the present invention takes following technical scheme to realize: a kind of complex biological filter of handling sanitary sewage comprises water inlet portion, filter tank part and water part, the filter tank part is by unit, the first complex ecological filter tank, second unit, complex ecological filter tank and the 3rd complex ecological filter tank units in series constitute, unit, the first complex ecological filter tank, be equipped with three filter material layers in second unit, complex ecological filter tank and the unit, the 3rd complex ecological filter tank, be followed successively by the oxidation filter material layer from top to bottom, bioactive filter material layer and absorbent filter medium layer; Described water inlet portion has water-in and water inlet pipe, and water-in is arranged on front end pool wall bottom, unit, the first complex ecological filter tank, and water-in is provided with water inlet pipe; The water part comprises overflow port and water outlet overflow port, and overflow port is arranged on the filter tank wall between first unit, complex ecological filter tank and the unit, the second complex ecological filter tank, and the water outlet overflow port is arranged on pool wall top, unitary rear end, the 3rd complex ecological filter tank; Be provided with communicating pipe in second unit, complex ecological filter tank and the 3rd complex ecological filter tank unit bottom.Unitary front end pool wall bottom water-in enters sewage from the first complex ecological filter tank, filtrate through bagging purifies water, flow into unit, the second complex ecological filter tank from overflow port, filtrate through bagging purifies water, again from flowing out the communicating pipe of pool wall bottom, rear end, unit, the second complex ecological filter tank, enter unit, the 3rd complex ecological filter tank, the filtrate of process bagging purifies water, and the supernatant liquor of handling well at last flows out from the water outlet on pool wall top, rear end, unit, the 3rd complex ecological filter tank.
Described filter material layer adopts packed filtrate, and every bag of capacity is 15L ~ 25L, the height of filter material layer be the pond dark about 1/3.
Unit, the described first complex ecological filter tank, second unit, complex ecological filter tank and unit, the 3rd complex ecological filter tank adopt the concrete of antiseep to build the pond or carry out the cistern that the waterproof type water proof is handled.
Generally between 2:1 ~ 3:1, the filter tank degree of depth is no more than 2 meters to the long-width ratio in described complex ecological filter tank.
Described filter tank part is provided with unit, three placed in-line complex ecological filter tanks at least, and according to local circumstances appropriate adjustment means size.
Described oxidation filter material layer by slag and cinder by weight ratio 1:1 constitute; The bioactive filter material layer by gac, bamboo charcoal and water sand by weight ratio 2:1:1 constitute; The absorbent filter medium layer is made of separately porous ceramics particle or attapulgite, or by porous ceramics particle, attapulgite and water sand by weight ratio 2:2:1 constitute.
Can also in the filtrate of filter material layer, add the sanitary sewage that lime-ash, slag, haydite, attapulgite or iron filings etc. can adapt to different quality, improve clearance, ensure for a long time processing efficiency efficiently.
When dispose of sewage in described complex ecological filter tank, can settle floating bed on the water, the plantation plant further utilizes root system of plant to purify waste water.
A kind of treatment process of handling the complex biological filter of sanitary sewage may further comprise the steps:
1) sewage with chemical oxygen demand COD<300mg/L enters unit, the first complex ecological filter tank by water-in, through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer, bioactive filter material layer, oxidation filter material layer three-layer filter, the first sewage of handling will flow into unit, the second complex ecological filter tank from overflow port;
2) through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer, bioactive filter material layer, oxidation filter material layer three-layer filter, the sewage of secondary treatment is by entering unit, the 3rd complex ecological filter tank communicating pipe in unit, the second complex ecological filter tank for the first sewage of handling;
3) sewage after the process secondary treatment passes through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer, bioactive filter material layer, oxidation filter material layer three-layer filter once more, carry out the scavenging process of three-layer filter, the supernatant liquor of handling well at last overflows from the water outlet overflow port, and whole scavenging process is finished.
Described scavenging process is 15 ~ 20 days.
A kind of complex ecological filter tank and treatment process thereof of handling sanitary sewage of the present invention, the natural biology scavenging process of inheriting facultative lagoon in the stabilization pond purifies with the horizontal flow that changes stabilization pond and is the vertical current purification, is ideal life advanced treatment of wastewater technology in conjunction with the complex ecological purification techniques of physics, chemistry and biological method purifying water body.The complex ecological purification techniques by filter, hold back, physical action such as deposition, chemical actions such as absorption, ion-exchange, antagonism and redox reaction, and the biological action that complicated macromole is resolved into simple molecules, small molecules etc. of the biological enzyme of microorganism and aquatic animals and plants, realize degraded and removal to pollutent.Its advantage that has has:
1) have energy-conservationly, efficient, technology is simple, and investment is saved, and firm and durable is not subjected to that outside air temperature influences, no stink, does not grow advantages such as mosquitos and flies.
2) ecological filter adopts the concrete of open-air formula to build the pond or through the processing of waterproof type water proof, can effectively prevent effluent seepage, and is easy to maintenance simple; The filtrate bagging is changed simple simultaneously.
3) ecological filter has characteristics shock-resistant, that the hydraulic load amount is big, can prevent the impact of rainy day big yield.
4) wastewater purifying efficiency is good, handles for the sewage of COD<300mg/L, and the water-quality COD of water outlet reaches the standard between 60 ~ 100mg/L.
5) ecological filter makes full use of filtrate and purifies waste water, and the horizontal flow that changes conventional stabilization pond is more economical vertical current, can not produce secondary pollution simultaneously.
6) compare with stabilization pond and artificial swamp, the purification residence time of sewage is shortened in the complex ecological filter tank, thereby reduces the filter tank scale, has reduced construction volume and cost.
Description of drawings
The invention will be further described below with reference to accompanying drawing:
Fig. 1 is a kind of structural representation of handling the complex ecological filter tank of sanitary sewage of the present invention.
Fig. 2 is a kind of sectional view of handling the complex ecological filter tank of sanitary sewage of the present invention.
Fig. 3 is a kind of unitary structural representation in the first complex ecological filter tank of handling the complex ecological filter tank of sanitary sewage of the present invention.
Embodiment
With reference to accompanying drawing 1 ~ 3, a kind of complex biological filter of handling sanitary sewage comprises water inlet portion, filter tank part and water part, the filter tank part is made of unit, the first complex ecological filter tank 1, unit, the second complex ecological filter tank 2 and 3 series connection of unit, the 3rd complex ecological filter tank, be equipped with three filter material layers in unit, the first complex ecological filter tank 1, unit, the second complex ecological filter tank 2 and the unit, the 3rd complex ecological filter tank 3, be followed successively by oxidation filter material layer 4, bioactive filter material layer 5 and absorbent filter medium layer 6 from top to bottom; Described water inlet portion has water-in 7 and water inlet pipe 8, and water-in 7 is arranged on 1 front end pool wall bottom, unit, the first complex ecological filter tank, and water-in 7 is provided with water inlet pipe 8; The water part comprises overflow port 9 and water outlet overflow port 10, overflow port 9 is arranged on the filter tank wall between unit, the first complex ecological filter tank 1 and the unit, the second complex ecological filter tank 2, and water outlet overflow port 10 is arranged on the pool wall top, rear end of unit, the 3rd complex ecological filter tank 3; Be provided with communicating pipe 11 in unit, the second complex ecological filter tank 2 and 3 bottoms, unit, the 3rd complex ecological filter tank.Sewage enters from the front end pool wall bottom water-in 7 of unit, the first complex ecological filter tank 1, filtrate through bagging purifies water, flow into unit, the second complex ecological filter tank 2 from overflow port 9, filtrate through bagging purifies water, again from flowing out the communicating pipe 11 of pool wall bottom, 2 rear end, unit, the second complex ecological filter tank, enter unit, the 3rd complex ecological filter tank 3, filtrate through bagging purifies water, and the supernatant liquor of handling well at last flows out from the water outlet overflow port 10 on pool wall top, 3 rear end, unit, the 3rd complex ecological filter tank.
Described filter material layer adopts packed filtrate, and every bag of capacity is 15L ~ 25L, the height of filter material layer be the pond dark about 1/3.
Unit, the described first complex ecological filter tank 1, unit, the second complex ecological filter tank 2 and unit, the 3rd complex ecological filter tank 3 adopt the concrete of antiseep to build the pond or carry out the cistern that the waterproof type water proof is handled.
Generally between 2:1 ~ 3:1, the filter tank degree of depth is no more than 2 meters to the long-width ratio in described complex ecological filter tank.
Described filter tank part is provided with unit, three placed in-line complex ecological filter tanks at least, and according to local circumstances appropriate adjustment means size.
Described oxidation filter material layer 4 by slag and cinder by weight ratio 1:1 constitute; Bioactive filter material layer 5 by gac, bamboo charcoal and water sand by weight ratio 2:1:1 constitute; Absorbent filter medium layer 6 is made of separately porous ceramics particle or attapulgite, or by porous ceramics particle, attapulgite and water sand by weight ratio 2:2:1 constitute.
Can also in the filtrate of filter material layer, add the sanitary sewage that lime-ash, slag, haydite, attapulgite or iron filings etc. can adapt to different quality, improve clearance, ensure for a long time processing efficiency efficiently.
When dispose of sewage in described complex ecological filter tank, can settle floating bed on the water, the plantation plant further utilizes root system of plant to purify waste water.
A kind of treatment process of handling the complex biological filter of sanitary sewage may further comprise the steps:
1) sewage with chemical oxygen demand COD<300mg/L enters unit, the first complex ecological filter tank 1 by water-in 7, through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer 6, bioactive filter material layer 5, oxidation filter material layer 4 three-layer filters, the first sewage of handling will flow into unit, the second complex ecological filter tank 2 from overflow port 9;
2) the first sewage of handling 2 filtration, absorption, ion-exchange, antagonism, redox reaction and biological actions in unit, the second complex ecological filter tank through absorbent filter medium layer 6, bioactive filter material layer 5, oxidation filter material layer 4 three-layer filters, the sewage of secondary treatment is by entering unit, the 3rd complex ecological filter tank 3 communicating pipe 11;
3) sewage after the process secondary treatment passes through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer 6, bioactive filter material layer 5, oxidation filter material layer 4 three-layer filters once more, carry out the scavenging process of three-layer filter, the supernatant liquor of handling well at last overflows from water outlet overflow port 10, and whole scavenging process is finished.
Described scavenging process is 15 ~ 20 days.
Claims (9)
1. complex biological filter of handling sanitary sewage, it is characterized in that comprising water inlet portion, filter tank part and water part, the filter tank part is made of unit, the first complex ecological filter tank, second unit, complex ecological filter tank and the 3rd complex ecological filter tank units in series, be equipped with three filter material layers in unit, the first complex ecological filter tank, second unit, complex ecological filter tank and the unit, the 3rd complex ecological filter tank, be followed successively by oxidation filter material layer, bioactive filter material layer and absorbent filter medium layer from top to bottom; Described water inlet portion has water-in and water inlet pipe, and water-in is arranged on front end pool wall bottom, unit, the first complex ecological filter tank, and water-in is provided with water inlet pipe; The water part comprises overflow port and water outlet overflow port, and overflow port is arranged on the filter tank wall between first unit, complex ecological filter tank and the unit, the second complex ecological filter tank, and the water outlet overflow port is arranged on pool wall top, unitary rear end, the 3rd complex ecological filter tank; Be provided with communicating pipe in second unit, complex ecological filter tank and the 3rd complex ecological filter tank unit bottom.
2. a kind of complex biological filter of handling sanitary sewage according to claim 1 is characterized in that described filter material layer adopts packed filtrate, and every bag of capacity is 15L ~ 25L, the height of filter material layer be the pond dark 1/3.
3. a kind of complex biological filter of handling sanitary sewage according to claim 1 is characterized in that the cistern that unit, the described first complex ecological filter tank, second unit, complex ecological filter tank and unit, the 3rd complex ecological filter tank adopt the concrete of antiseep to build the pond or carry out the processing of waterproof type water proof.
4. a kind of complex biological filter of handling sanitary sewage according to claim 1, the long-width ratio that it is characterized in that described complex ecological filter tank is 2:1 ~ 3:1, the filter tank degree of depth is no more than 2 meters.
5. a kind of complex biological filter of handling sanitary sewage according to claim 1 is characterized in that described filter tank part is provided with unit, three placed in-line complex ecological filter tanks at least.
6. a kind of complex biological filter of handling sanitary sewage according to claim 1, it is characterized in that described oxidation filter material layer by slag and cinder by weight ratio 1:1 constitute; The bioactive filter material layer by gac, bamboo charcoal and water sand by weight ratio 2:1:1 constitute; The absorbent filter medium layer is made of separately porous ceramics particle or attapulgite, or by porous ceramics particle, attapulgite and water sand by weight ratio 2:2:1 constitute.
7. according to claim 1 or 6 described a kind of complex biological filters of handling sanitary sewage, it is characterized in that in the filtrate of filter material layer, adding lime-ash, slag, haydite, attapulgite or iron filings.
8. the described a kind of treatment process of handling the complex biological filter of sanitary sewage of claim 1 is characterized in that may further comprise the steps:
1) sewage with chemical oxygen demand COD<300mg/L enters unit, the first complex ecological filter tank by water-in, through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer, bioactive filter material layer, oxidation filter material layer three-layer filter, the first sewage of handling will flow into unit, the second complex ecological filter tank from overflow port;
2) through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer, bioactive filter material layer, oxidation filter material layer three-layer filter, the sewage of secondary treatment is by entering unit, the 3rd complex ecological filter tank communicating pipe in unit, the second complex ecological filter tank for the first sewage of handling;
3) sewage after the process secondary treatment passes through filtration, absorption, ion-exchange, antagonism, redox reaction and the biological action of absorbent filter medium layer, bioactive filter material layer, oxidation filter material layer three-layer filter once more, carry out the scavenging process of three-layer filter, the supernatant liquor of handling well at last overflows from the water outlet overflow port, and whole scavenging process is finished.
9. a kind of treatment process of handling the complex biological filter of sanitary sewage according to claim 8 is characterized in that scavenging process is 15 ~ 20 days.
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CN 201110174826 CN102295386A (en) | 2011-06-27 | 2011-06-27 | Composite ecological filter for treating domestic sewage and treatment method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104496027A (en) * | 2014-12-24 | 2015-04-08 | 东南大学 | Short-range nitrogen-phosphorus inorganic reactor for treating rural domestic sewage |
CN105366892A (en) * | 2015-12-09 | 2016-03-02 | 张春辉 | Shallow-layer biological filter disc and filtration system composed of filter discs |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08281287A (en) * | 1995-04-17 | 1996-10-29 | Hiroshi Sudo | Filter medium for waste water treatment and waste water soil infiltration treating device |
CN101704616A (en) * | 2009-12-01 | 2010-05-12 | 江苏省农业环境监测与保护站 | Bioactive percolated domestic sewage treatment device |
CN202144473U (en) * | 2011-06-27 | 2012-02-15 | 江苏淳盛农业科技发展有限公司 | Composite biological filter tank treating domestic sewage |
-
2011
- 2011-06-27 CN CN 201110174826 patent/CN102295386A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08281287A (en) * | 1995-04-17 | 1996-10-29 | Hiroshi Sudo | Filter medium for waste water treatment and waste water soil infiltration treating device |
CN101704616A (en) * | 2009-12-01 | 2010-05-12 | 江苏省农业环境监测与保护站 | Bioactive percolated domestic sewage treatment device |
CN202144473U (en) * | 2011-06-27 | 2012-02-15 | 江苏淳盛农业科技发展有限公司 | Composite biological filter tank treating domestic sewage |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104496027A (en) * | 2014-12-24 | 2015-04-08 | 东南大学 | Short-range nitrogen-phosphorus inorganic reactor for treating rural domestic sewage |
CN105366892A (en) * | 2015-12-09 | 2016-03-02 | 张春辉 | Shallow-layer biological filter disc and filtration system composed of filter discs |
CN105366892B (en) * | 2015-12-09 | 2018-04-17 | 东莞市恒春环保服务有限公司 | The filtration system of shallow-layer formula biology filter disc and its composition |
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Application publication date: 20111228 |