CN106746387A - A kind of decentralized sewage treatment method - Google Patents
A kind of decentralized sewage treatment method Download PDFInfo
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- CN106746387A CN106746387A CN201710210370.1A CN201710210370A CN106746387A CN 106746387 A CN106746387 A CN 106746387A CN 201710210370 A CN201710210370 A CN 201710210370A CN 106746387 A CN106746387 A CN 106746387A
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- Prior art keywords
- sewage
- filter element
- layer
- treatment method
- decentralized
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/284—Anaerobic digestion processes using anaerobic baffled reactors
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention relates to decentralized sewage treatment method,Part old town and rural area can effectively be solved and there is the in line phenomenon of sewage,Subregion quality of water environment is caused constantly to deteriorate,The problem of resident's daily life is had a strong impact on,Its solve technical scheme be,Sewage enters pond body bottom,Under current high speed impact of intaking,Bottom sewage is mixed with sludge,Sewage enters the first filter element,Sewage into the first filter element flows from top to bottom,First pass through the first grit layer,Subsequently into zeolite filler layer,Enter back into the second filter element,Via blast furnace slag packing layer,Up enter tire debris packing layer and the second grit layer,It is last to be discharged from discharge outlet,The inventive method is simple,Operation maintenance is convenient,The COD and BOD that can be largely gone in water removal by anaerobic digestion,Removal organic polluter can be further removed in filter process,While the addition intensified denitrification and dephosphorization effect of specific filler,It is the innovation on sewage water treatment method.
Description
Technical field
The present invention relates to technical field of sewage, particularly a kind of decentralized sewage treatment method.
Background technology
Due to the missing of sewage disposal pipe network, there is the in line phenomenon of sewage in part old town and rural area, cause part area
Domain quality of water environment constantly deteriorates, and is multiplied with foul smelling and mosquitos and flies, has had a strong impact on resident's daily life, how to reduce dirt
Water it is in line, be current Xiao Mie smelly water body, protection and lifting quality of water environment in the urgent need to.Therefore, sewage water treatment method
Improvement be current urgent need to resolve problem.
The content of the invention
For above-mentioned situation, to solve the defect of prior art, the purpose of the present invention is just to provide a kind of decentralized type sewage
Processing method, can effectively solve part old town and rural area and there is the in line phenomenon of sewage, cause subregion quality of water environment
Constantly deteriorate, and multiplied with foul smelling and mosquitos and flies, had a strong impact on the problem of resident's daily life.
The technical scheme that the present invention is solved is to comprise the following steps：
1）Closure of the sewage through center water inlet pipe from the top of modified form anaerobic digester enters pond body bottom, high in water inlet current
Under speed impact, bottom sewage is mixed with sludge, and sewage flows from lower to upper by the perforation on deflection plate under pressure
Dynamic, particulate matter major part is intercepted by deflection plate；
2）Sewage enters the first filter element via the overflow delivery port above pond body, and the biogas that anaerobic fermentation is produced then rises to
Top, the collecting methane valve effusion from closure, sludge is discharged from mud discharging mouth；
3）Sewage into the first filter element is uniformly distributed under the water distribution pipe effect of overflow delivery port, flows from top to bottom
It is dynamic, the first grit layer is first passed through, subsequently into zeolite filler layer；
4）Sewage into zeolite filler layer flows into the second filter element from bottom level, past via blast furnace slag packing layer
Upper entrance tire debris packing layer and the second grit layer, finally discharge from discharge outlet.
The inventive method is simple, reasonable in design, and operation maintenance is convenient, can largely be gone in water removal by anaerobic digestion
COD and BOD, can further remove removal organic polluter in filter process, while the addition intensified denitrification and dephosphorization effect of specific filler
Really, effluent quality is more secure, is the innovation on sewage water treatment method.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure, water inlet pipe centered on 1,2 is closure, and 3 is pond body, and 4 is deflection plate, and 5 is mud discharging mouth, and 6 is collecting methane
Valve, 7 is overflow delivery port, and 8 is the first filter element, and 9 is the second filter element, and 10 is the first grit layer, and 11 is zeolite filler
Layer, 12 is blast furnace slag packing layer, and 13 is tire debris packing layer, and 14 is delivery port, and 15 is the second grit layer.
Specific embodiment
Specific embodiment of the invention is described in further detail below in conjunction with accompanying drawing.
Be given by Fig. 1, the present invention utilizes decentralized type sewage processing unit, then carries out according to the following steps：
1）Closure 2 of the sewage through center water inlet pipe 1 from the top of modified form anaerobic digester enters the bottom of pond body 3, in water inlet water
Stream high speed impact under, bottom sewage is mixed with sludge, sewage under pressure by the perforation on deflection plate 4 from it is lower toward
Upper flowing, particulate matter major part is intercepted by deflection plate 4；
2）Sewage enters the first filter element 8 via the overflow delivery port 7 of the top of pond body 3, and the biogas that anaerobic fermentation is produced then is gone up
Top is risen to, the collecting methane valve 6 from closure 2 is escaped, and sludge is discharged from mud discharging mouth 5；
3）Sewage into the first filter element 8 is uniformly distributed under the water distribution pipe effect of overflow delivery port 7, flows from top to bottom
It is dynamic, the first grit layer 10 is first passed through, the suspension from anaerobic digester out is intercepted by the filtering crop of grit, subsequently into
Zeolite filler layer 11, ammonia nitrogen and absorption small part phosphorus that can largely in absorption effluent, raising wet land system Microbial denitrogenation is removed
Phosphorus efficiency；
4）Sewage into zeolite filler layer 11 flows into the second filter element 9 from bottom level, via blast furnace slag packing layer
12, the phosphorus in absorption effluent improves treatment effeciency of the artificial swamp to phosphorus, up husky into tire debris packing layer 13 and second
Gravel bed 15, nitrate in the absorption effluent of tire debris packing layer 13 reduces water outlet nitrate content, and the second grit layer 15 can be prevented
Tire debris are lost in, and are finally discharged from discharge outlet 14.
In order to ensure using effect, described decentralized type sewage processing unit includes that modified form anaerobic digester and filtering are
System, modified form anaerobic digester is made up of pond body, closure and center water inlet pipe, and the top of pond body 3 is provided with closure 2, and center is entered
Water pipe 1 is through the center of closure 2 and stretches into the bottom of pond body 3, and deflection plate 4 is fixed with center water inlet pipe 1, and the top of pond body 3 sets
There is overflow delivery port 7, bottom side is provided with mud discharging mouth 5, and filtration system is divided into two units, and the first filter element 8, second is filtered
The bottom of unit 9 is connected, and is provided with the first grit layer 10, zeolite filler layer 11, water (flow) direction in the first filter element 8 from top to bottom
From top to bottom, blast furnace slag packing layer 12, tire debris packing layer 13, the second grit are provided with from bottom to top in the second filter element 9
Layer 15, from bottom to up, the second filter element 9 is provided with discharge outlet 14 to water (flow) direction.
Described deflection plate 4 has 3, is equidistantly fixed on center water inlet pipe 1, and the discrepancy in elevation is in 0.3- between the plate of deflection plate 4
Between 0.5m, diameter is suitable with the internal diameter of pond body 3, and deflection plate 4 is provided with some perforation, and sewage can only pass through in normal course of operation
Perforated on plate and risen, sewage flows downward via perforation on plate during spoil disposal.
Punch position between described deflection plate 4 is differed, it is ensured that current are not straight line in uphill process
Motion, increased the residence time of sewage, while in sewage uphill process, current and the frequent impact of deflection plate 4, sewage mixing effect
It is really good, it is easier to be settled down to bottom after being collided in particulate matter uphill process, the treatment effect to organic matter is not only increased,
The suspension content in sewage can also effectively be reduced.
Collecting methane valve 6, external corresponding gas collection cleaning system are housed on described pond body top closure 2.
The described aperture position of overflow delivery port 7 is higher than deflection plate 4, and maintains the discrepancy in elevation between closure 2.
Described the first grit 10 composition of layer are grit, and highly in 20-30cm, zeolite filler 11 composition of layer are boiling
Stone, highly in 70-80cm, the effect of the first grit layer 10 is that can be intercepted from anaerobic digestion by the filtering crop of grit
Pond suspension out, the effect of zeolite filler layer 11 is, ammonia nitrogen that can largely in absorption effluent and adsorbs small part phosphorus,
Improve wet land system Microbial denitrogenation dephosphorization efficiency.
Between the first described filter element 8 and the second filter element 9 water is kept by way of bottom opening adds screen cloth
Stream insertion.
The described composition of blast furnace slag packing layer 12 is blast furnace slag, and highly in 40-50cm, the composition of tire debris packing layer 13 is
Tire debris, highly in 30-40cm, the composition of the second sandy gravel stratum 15 is grit, highly in 10-20cm；Blast furnace slag packing layer 12
Effect is, phosphorus that can largely in absorption effluent, improves treatment effeciency of the artificial swamp to phosphorus, tire debris packing layer 13
Effect is, can a large amount of nitrate in absorption effluent, reduce water outlet nitrate content, the effect of the second sandy gravel stratum 15 is to prevent
Only tire debris are lost in.
Described discharge outlet 14 is located at the top of the second filter element 9, highly less than overflow delivery port 7, it is ensured that current exist
Can be discharged from discharge outlet under not acted on by external force.
Service condition of the invention is, including modified form anaerobic digester and filtration system two parts, and sewage enters through center
Closure 2 of the water pipe 1 from the top of modified form anaerobic digester enters the bottom of pond body 3, then slowly rises through deflection plate 4, from pond
The overflow delivery port 7 of the top of body 3 is flowed out, and the biogas that anaerobic fermentation is produced is collected through the top collecting methane valve 6 of pond body 3, filtering system
System is divided into two units, and first module is connected with second unit bottom, and first module filler is grit, zeolite, water (flow) direction
From top to bottom, second unit filler is blast furnace slag, tire debris and grit, water (flow) direction from bottom to up, from modified form anaerobism
The sewage that digester is overflowed, by the water distribution pipe of overflow delivery port even into filtration system, the second filter element goes out
Water uses downflow weir mode, height of weir plate less than overflow delivery port water distribution pipe, when the first filter element water level is higher than the
During two filter element heights of weir plate, the water after treatment flows out from the discharge outlet 14 of downflow weir, fixed by sludge pump through mud discharging mouth 5
Phase extracts pool bottom sludge.
Case study on implementation 1, treating capacity is 10 ton days, BOD of intaking5Average value in 254mg/L, COD average values in 448mg/L,
Total phosphorus is 6mg/L, and ammonia nitrogen is 51mg/L, 25 DEG C of temperature, under the conditions of hydraulic detention time 24h, water outlet BOD5Average removal rate
79.4%, COD average removal rate 86.2%, ammonia nitrogen removal frank 80%, total tp removal rate 70%.
Case study on implementation 2, treating capacity is 10 ton days, BOD of intaking5Average value in 254mg/L, COD average values in 448mg/L,
Total phosphorus is 6mg/L, the micro- 51mg/L of ammonia nitrogen, 15 DEG C of temperature, under the conditions of hydraulic detention time 24h, modified form anaerobic digester water outlet
BOD5Average removal rate 48.2%, COD average removal rates 42.6%, ammonia nitrogen removal frank 50%, total tp removal rate 48%.
Calculated according to water consumption 200L for each person every day, 10 tons of water consumptions equivalent to 50 people, currently without drainage pipeline networks
Every building of old cell at most 2-14 families, average family 3-4 people calculates, and sum should be 50 or so.
From the foregoing, the present invention can effectively realize the treatment to cell domestic water, application of the invention can be significantly
The discharge of water pollutant is reduced, water environment pollution problem is contained from source, it is also possible in the residential area of dirty drainage pipeline networks
Used with rural area, sanitary sewage can be effectively treated, effectively alleviate water environment pressure, it is simple to operate, it is easy to use,
Operating cost is low, is the innovation on sewage water treatment method, with good social and economic benefit.
Claims (10)
1. a kind of decentralized sewage treatment method, it is characterised in that utilize decentralized type sewage processing unit, then according to the following steps
Carry out：
1）Closure (2) of the sewage through center water inlet pipe (1) from the top of modified form anaerobic digester enters pond body (3) bottom,
Under water inlet current high speed impact, bottom sewage is mixed with sludge, and sewage is under pressure by wearing on deflection plate (4)
Hole is flowed from lower to upper, and particulate matter is most of to be intercepted by deflection plate (4)；
2）Sewage enters the first filter element (8), the natural pond that anaerobic fermentation is produced via the overflow delivery port (7) above pond body (3)
Gas then rises to top, and collecting methane valve (6) effusion from closure (2), sludge is discharged from mud discharging mouth (5)；
3）Sewage into the first filter element (8) is uniformly distributed under the water distribution pipe effect of overflow delivery port (7), from upper past
Lower flowing, first passes through the first grit layer (10), intercepts the suspension from anaerobic digester out by the filtering crop of grit, so
Enter zeolite filler layer (11) afterwards, ammonia nitrogen and absorption small part phosphorus that can largely in absorption effluent, the raising micro- life of wet land system
Thing denitrogenation dephosphorizing efficiency；
4）Sewage into zeolite filler layer (11) flows into the second filter element (9) from bottom level, is filled out via blast furnace slag
The bed of material (12), the phosphorus in absorption effluent improves treatment effeciency of the artificial swamp to phosphorus, up into tire debris packing layer (13)
With the second grit layer (15), nitrate in tire debris packing layer (13) absorption effluent, reduction water outlet nitrate content, the second sand
Gravel bed (15) can prevent tire debris to be lost in, and finally be discharged from discharge outlet (14).
2. decentralized sewage treatment method according to claim 1, it is characterised in that described decentralized type sewage treatment dress
Put including modified form anaerobic digester and filtration system, modified form anaerobic digester is by pond body, closure and center water inlet pipe structure
Into pond body (3) top is provided with closure (2), and center water inlet pipe (1) is through the center of closure (2) and stretches into pond body (3) bottom
Portion, is fixed with deflection plate (4) on center water inlet pipe (1), pond body (3) top is provided with overflow delivery port (7), and bottom side is provided with row
Mud mouthful (5), filtration system is divided into two units, and the first filter element (8), the second filter element (9) bottom are connected, the first mistake
Be provided with the first grit layer (10), zeolite filler layer (11) in filter unit (8) from top to bottom, water (flow) direction from top to bottom, the second mistake
Blast furnace slag packing layer (12), tire debris packing layer (13), the second grit layer (15), water are provided with filter unit (9) from bottom to top
From bottom to up, the second filter element (9) is provided with discharge outlet (14) in stream direction.
3. decentralized sewage treatment method according to claim 2, it is characterised in that described deflection plate (4) has 3,
Equidistantly be fixed on center water inlet pipe (1), between deflection plate (4) plate the discrepancy in elevation between 0.3-0.5m, diameter and pond body (3) internal diameter
Quite, deflection plate (4) is provided with some perforation, and sewage can only be risen by being perforated on plate in normal course of operation, during spoil disposal
Sewage flows downward via perforation on plate.
4. decentralized sewage treatment method according to claim 3, it is characterised in that between described deflection plate (4)
Punch position is differed, it is ensured that current are not linear motion in uphill process, increased the residence time of sewage, together
When sewage uphill process in, current and deflection plate (4) frequent impact, sewage good mixing effect are subject in particulate matter uphill process
Collision rift is easier to be settled down to bottom, not only increases the treatment effect to organic matter, can also effectively reduce outstanding in sewage
Float content.
5. decentralized sewage treatment method according to claim 2, it is characterised in that described pond body top closure
(2) collecting methane valve (6), external corresponding gas collection cleaning system are housed on.
6. decentralized sewage treatment method according to claim 2, it is characterised in that described overflow delivery port (7) is opened
Mouth position is higher than deflection plate (4), and maintains the discrepancy in elevation between closure (2).
7. decentralized sewage treatment method according to claim 2, it is characterised in that described the first grit layer (10) into
It is divided into grit, highly in 20-30cm, described zeolite filler layer (11) composition is zeolite, highly in 70-80cm.
8. decentralized sewage treatment method according to claim 2, it is characterised in that described the first filter element (8)
Current insertion is kept by way of bottom opening adds screen cloth between the second filter element (9).
9. decentralized sewage treatment method according to claim 2, it is characterised in that described blast furnace slag packing layer (12)
Composition is blast furnace slag, and highly in 40-50cm, tire debris packing layer (13) composition is tire debris, highly in 30-40cm, the
Two sandy gravel stratums (15) composition is grit, highly in 10-20cm.
10. decentralized sewage treatment method according to claim 2, it is characterised in that described discharge outlet (14) is located at
The top of the second filter element (9), highly less than overflow delivery port (7), it is ensured that current can be from the case where not acted on by external force
Discharge outlet is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210370.1A CN106746387B (en) | 2017-03-31 | 2017-03-31 | Distributed sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210370.1A CN106746387B (en) | 2017-03-31 | 2017-03-31 | Distributed sewage treatment method |
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| Publication Number | Publication Date |
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| CN106746387A true CN106746387A (en) | 2017-05-31 |
| CN106746387B CN106746387B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710210370.1A Expired - Fee Related CN106746387B (en) | 2017-03-31 | 2017-03-31 | Distributed sewage treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117783A (en) * | 2017-07-03 | 2017-09-01 | 苏州华商新能源有限公司 | A kind of domestic sewage processing system and method |
| CN110228900A (en) * | 2019-05-31 | 2019-09-13 | 中运建设控股有限公司 | A kind of system and method for river and lake sewage purification |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117783A (en) * | 2017-07-03 | 2017-09-01 | 苏州华商新能源有限公司 | A kind of domestic sewage processing system and method |
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| CN110228900A (en) * | 2019-05-31 | 2019-09-13 | 中运建设控股有限公司 | A kind of system and method for river and lake sewage purification |
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| CN106746387B (en) | 2020-05-12 |
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Granted publication date: 20200512 |