CN202080988U - Natural-aeration percolation type land treatment device for rural domestic sewage - Google Patents

Natural-aeration percolation type land treatment device for rural domestic sewage Download PDF

Info

Publication number
CN202080988U
CN202080988U CN2011201501822U CN201120150182U CN202080988U CN 202080988 U CN202080988 U CN 202080988U CN 2011201501822 U CN2011201501822 U CN 2011201501822U CN 201120150182 U CN201120150182 U CN 201120150182U CN 202080988 U CN202080988 U CN 202080988U
Authority
CN
China
Prior art keywords
water
layer
aeration
treatment unit
natural
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011201501822U
Other languages
Chinese (zh)
Inventor
周北海
徐东勇
马方曙
王和祥
郭佳佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Science and Technology Beijing USTB
Original Assignee
University of Science and Technology Beijing USTB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Science and Technology Beijing USTB filed Critical University of Science and Technology Beijing USTB
Priority to CN2011201501822U priority Critical patent/CN202080988U/en
Application granted granted Critical
Publication of CN202080988U publication Critical patent/CN202080988U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Treatment Of Biological Wastes In General (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The utility model discloses a natural-aeration percolation type land treatment device for rural domestic sewage. The device is composed of an anaerobic treatment unit, a land treatment unit and a natural aeration system. The anaerobic treatment unit is a three-cell type anaerobic pool, and deflection baffles are arranged in the pool; the land treatment unit consists of an aerobic tank, an anti-seepage sand plate, a reoxygenation layer, a treatment layer, a vegetation layer, a water distribution pipe and a collector pipe, the treatment layer is filled with modified soil formed by mixing laterite, fine sand, fly ash and carbonized rice husk in proper proportion, and ryegrasses with strong growing capability and high yield are planted at the vegetation layer and can be used as livestock feedstuff; and the natural aeration system is formed by aeration pipes connected to two ends of the water distribution pipe and two ends of the water collecting pipe, and aeration ports at two ends of aeration pipes have certain height difference, so as to realize aeration and reoxygenation without power and reinforce the reoxygenation effect. The natural-aeration percolation type land treatment device is superior to the general land treatment device, has the characteristics of long replacement cycle of fillers, good reoxygenation effect, high treatment efficiency, low investment cost, simple operation and maintenance, and the like, and is suitable for the treatment of rural domestic sewage.

Description

A kind of domestic sewage in rural areas by using nature oxygenation diafiltration formula soil treatment unit
Technical field
The utility model relates to a kind of domestic sewage in rural areas by using nature oxygenation diafiltration formula soil treatment unit, is applicable to the processing of courtyard-style domestic sewage in rural areas by using.Device is established the anaerobism pretreatment unit, and soil processing unit and natural aeration system can adopt galvanized sheet iron, plastic-steel or brickwork construction, builds up underground type, ground type or half ground type.Belong to water-treatment technology field.
Background technology
Change along with China's Rural areas growth in the living standard and life in the countryside mode, the generation of domestic sewage in rural areas by using also increases thereupon, more than 90 hundred million tons of annual generations, most of domestic sewage in rural areas by using is unprocessed, discharging wantonly, severe contamination ecotope, directly threaten the Economic development in the vast farmers masses' healthy and rural area.Domestic sewage in rural areas by using is the main source of rural area pollution of area source, is the important factor that causes lake, river eutrophication, has also proposed to handle the requirement of country sewage in Chinese society doctrine new countryside construction.
Domestic sewage in rural areas by using mainly comprises bathing laundrywastes, the surplus waste water in kitchen, flush the toilet waste water and family be with septic tank effluent etc., have that the water yield is little, discharging disperses, intermittently, the characteristics of good biodegradability.The town sewage tupe that centralized collection is handled is not suitable for applying in the Rural areas.Domestic sewage in rural areas by using should be according to the water yield and the distribution of local sanitary sewage, take technology simple, build that running cost is low, management maintenance is easy to technology and handles.
Can be broadly divided into two classes for the decentralized wastewater treatment process of selecting in small community, discrete units mechanism and rural area at present: (1) utilizes soil as the natural treatment system of handling carrier and discharging carrier, comprises the quick diafiltration of soil, slow rate, subsurface infiltration and artificial swamp etc.In addition, also comprise some mud and septic tank sludge treating system.(2) utilize the complicated biology and the conventional process system of physical process, handle integral body with various ponds body, water pump, gas blower and other machinery as one, these processing comprise (microorganism) suspension growth, apposition growth and the two blended form.This processing mode can be described as from various sewage works treatment process to be simplified and comes have or even a kind of miniature version sewage work.
Dispersed wastewater is the important source of water pollution, and the characteristics of himself have determined the singularity and the diversity of waste water control method, and traditional treatment technology exists many drawbacks and is difficult to be promoted as the technology of administering decentralized wastewater.The improvement that the soil is treated to dispersed wastewater provides the treatment technology of a kind of low expense, less energy-consumption, and with respect to the treatment process of other dispersed wastewater, the soil treatment technology is the higher natural treatment system of a kind of ecological circulation efficient.Land treatment system has all possessed many favourable conditions of handling dispersed wastewater technically and economically.
Summary of the invention
[0006] the utility model improves combination on the prior art basis, and a kind of soil treatment unit of processing courtyard-style domestic sewage in rural areas by using of Cheap highly effective is provided, and not only reduces investment outlay but also improved wastewater treatment efficiency.It reduces follow-up unit water inlet organic loading by the anaerobic treatment unit is set at front end, prolongs soil processing unit work-ing life, has overcome the shortcoming that traditional land treatment system is stopped up easily; By the reoxygenation effect that the nature aeration system improves the soil processing unit is set, realize unpowered ventilation reoxygenation, satisfy in the soil processing unit microorganism to the demand of oxygen; By selecting for use modified soil as main stuffing at the soil processing unit, the plantation energy for growth is strong, and the high and English ryegrass that can make animal feed of output is improved the denitrogenation dephosphorizing effect.
Technical solutions of the utility model are: a kind of domestic sewage in rural areas by using nature oxygenation diafiltration formula soil treatment unit, and device is made up of anaerobic treatment unit, soil processing unit and natural aeration system;
Described anaerobic treatment unit comprises water-in, three form anaerobic ponds, anaerobism cover plate and baffle;
Described soil processing unit comprises Aerobic Pond, water distributing pipe, distributing hole, antiseepage emery disc, gully-hole, header, vegetable layer, processing layer, reoxygenation layer and water outlet;
Described natural aeration system comprises ventpipe;
Wherein, an end of described three form anaerobic ponds is provided with described water-in, and each lattice pond central authorities of described three form anaerobic ponds are all outstanding to adorn described baffle, and described baffle is higher than the water surface, and 15cm at the bottom of the pond adds described lid anaerobism cover plate on the described three form anaerobic ponds; Described three form anaerobic ponds are by described water distributing pipe and described Aerobic Pond UNICOM, and described water distributing pipe is provided with the paired distributing hole that diameter is 120 ° of 6 ~ 8mm angles; The top of described Aerobic Pond is provided with described vegetable layer, and the centre is provided with antiseepage emery disc, processing layer and reoxygenation layer, and the bottom is provided with described header, and it is that 6 ~ 8mm angle is 120 ° a paired gully-hole that described header is provided with diameter; Described water-in is connected with described header;
One end of described ventpipe is connected with the header two ends with described water distributing pipe respectively, and the other end is located at the top surface 10 ~ 15cm place that is higher than described Aerobic Pond.
Further, described antiseepage emery disc is the uncovered frame of a rectangle, and length is slightly longer than water distributing pipe, and width is 30cm, is 10 ~ 12cm highly, and the polyvinyl chloride anti seepage membrane of 0.3mm is all laid at the bottom of the frame and frame wall inboard, the uniform river of interior filling particle diameter sand.
Further, described water outlet is provided with stainless steel mesh.
Further, the modification soil of described treatment zone for laterite, river sand, flyash and carbonization rice husk are mixed according to a certain ratio.
The beneficial effects of the utility model are: the utility model can be realized the alternation of wetting and drying operation at the processing domestic sewage in rural areas by using, and be provided with the nature aeration system at the soil processing unit, form aerobic zone around water distributing area in soil layer, catchment area and the natural reaeration region, form aerobic area and anaerobic zone at the responding layer treatment zone.Because the utility model can be realized alternation of wetting and drying and handle, and there is anaerobism in the soil processing unit, hold concurrently oxygen and aerobic zone, can realize the anaerobism-oxygen-aerobic reaction process of holding concurrently, therefore, the utlity model has good soil biological and ecological treatment effect, and take up an area of little, reduced investment, management maintenance is simple, is applicable to handle the courtyard-style domestic sewage in rural areas by using.
Description of drawings:
Fig. 1 device cross-sectional view of the present utility model.
Fig. 2 setting plane of the present utility model.
Fig. 3 soil of the present utility model processing unit perspective view.
Among the figure:
1. water-in, 2. three form anaerobic ponds, 3. anaerobism cover plate, 4. baffle, 5 water distributing pipes, 6. distributing hole, 7. Aerobic Pond, 8. antiseepage emery disc, 9 headers, 10. gully-hole, 11, vegetable layer, 12. processing layers, 13, the reoxygenation layer, 14. water outlets, 15. ventpipes.
Embodiment:
Below in conjunction with accompanying drawing the technical solution of the utility model is further described.
A kind of domestic sewage in rural areas by using nature of the utility model oxygenation diafiltration formula soil treatment unit shown in Fig. 1,2 and 3, device is made up of anaerobic treatment unit, soil processing unit and natural aeration system;
The anaerobic treatment unit comprises water-in 1, three form anaerobic ponds 2, anaerobism cover plate 3 and baffle 4;
The soil processing unit comprise water distributing pipe 5, distributing hole 6, Aerobic Pond 7, antiseepage emery disc 8, header 9, gully-hole 10,, vegetable layer 11, processing layer 12, reoxygenation layer 13 and water outlet 14;
Three form anaerobic ponds, 2 one ends are provided with water-in 1, the other end is by water distributing pipe 6 and Aerobic Pond 7 UNICOMs, and dress baffle 4 is all hanged in each lattice pond central authorities of three form anaerobic ponds 2, and baffle 4 is higher than the water surface, 15cm at the bottom of the pond, the effect of playing the sewage water conservancy diversion and holding back materials such as oil slick.Add a cover anaerobism cover plate 3 on the three form anaerobic ponds 2, guarantee anaerobic state in the pond.Sewage is 120 ° of paired gully-holes 6 by the diameter 6 ~ 8mm angle on the water distributing pipe 5 in the Aerobic Pond 7, flowing under the influence of gravity into highly is the antiseepage emery disc 8 of 10 ~ 12cm, hold concurrently oxygen and anaerobic reaction take place in antiseepage emery disc 8, further remove organism, the sewage of antiseepage emery disc 8 bottoms under wicking action by rising on the emery disc fine sand gap, and under syphonic effect, cross behind the antiseepage emery disc 8 through highly being 4 ~ 5cm reoxygenation layer 13, carry out unsaturated infiltration to lower floor's modified soil treatment zone 8, in processing layer 12 physical-chemical-microbial process taking place, removes a part of organism and most of the nitrogen, pollutents such as phosphorus.Processing unit top layer, soil is the vegetable layer 11 of height 15cm, absorbs the part pollutent in the sewage.Water distributing pipe 6 and header 9 two ends connect ventpipe 15, ventpipe 15 mouths of pipe are higher than pond top surface 10 ~ 15cm and connect Y-junction can realize natural ventilation, air admission ventpipe 15, water distributing pipe 4 and header 9 enter in the processing layer, strengthened the reoxygenation effect, it is 6 ~ 8mm that sewage has diameter by the bottom, angle is that 120 ° of paired gully-holes 10 enter in the header 9 through water outlet 14 and flow out the utility model, reaches the purpose of purification of water quality.
Principle of work of the present utility model:
Sewage is removed foreign material by the water-in 1 that is provided with stainless steel mesh, enter and add the three form anaerobic ponds 2 that are stamped anaerobism cover plate 3, each lattice pond central authorities all outstanding dress baffle 2 of flowing through, the anaerobic hydrolysis-acidification precipitating action takes place at three form anaerobic ponds 2 in sewage, most suspended substances matter and vegetable and animals oils in the sewage, partial organic substances, nitrogen and phosphorus pollutants is removed, the sewage of handling has the water distributing pipe 5 that diameter 6 ~ 8mm angle is 120 ° of paired distributing holes 6 by the bottom in the Aerobic Pond 7, flowing under the influence of gravity into highly is the antiseepage emery disc 8 of 10 ~ 12cm, sewage is detained the antiseepage emery disc after 8 for some time, organism further is decomposed, further remove organism, the sewage of antiseepage emery disc 8 bottoms under wicking action by rising on the emery disc fine sand gap, and under syphonic effect, cross behind the antiseepage emery disc 8 through highly being 4 ~ 5cm reoxygenation layer, constitute processing layer to lower floor's modified soil and carry out unsaturated infiltration, physical-chemical-microbial process takes place in treatment zone, removes a part of organism and most of the nitrogen, pollutents such as phosphorus.Processing unit top layer, soil is the vegetable layer 11 of height 15cm, absorbs the part pollutent in the sewage.Loading particle diameter 1 ~ 3cm gravel around the water distributing pipe 5 of DN50 UPVC and the header 9 also wraps up with the nylon wire of 1 * 1mm mesh, water distributing pipe 5 and header 9 two ends connect ventpipe 15, ventpipe 15 mouths of pipe are higher than pond top surface 10 ~ 15cm and connect Y-junction can realize natural ventilation, air admission ventpipe 13, water distributing pipe 5 and header 9 enter in the soil layer, have strengthened the reoxygenation effect.At water distributing pipe 5, form aerobic zone around header 9 and the processing layer and finish the aerobic treatment process.Sewage has 120 ° of paired gully-holes of diameter 6 ~ 8mm by the bottom header 9 flows out the utility model through water outlet 14, reaches the purpose of purification of water quality.
Enforcement of the present utility model can further specify by the following specific embodiments, but is not limited to this embodiment.
Sanitary sewage with Erhai, Deng Chuan town, Bai Autonomous Prefecture of Dali Eryuan County, Yunnan Province project Deng Chuan workstation is a process object.
The utility model embodiment builds up ground type, is divided into two portions, and leading portion is the anaerobism pretreatment unit, and back segment is the soil processing unit.The anaerobism pretreatment unit is that a rectangular parallelepiped sewage that is processed by galvanized sheet iron is at three form anaerobic ponds 2, be of a size of 1.03m * 0.3m * 0.8m, the length in three lattice ponds is respectively 0.3m, 0.4m, 0.33m, and all establish baffle 4 and anaerobism cover plate 3 in each lattice pond.The soil processing unit also is a rectangular parallelepiped Aerobic Pond 7 that is processed by galvanized sheet iron, be of a size of 0.8m * 0.62m * 0.8m, set up defences and ooze emery disc 8 in water distributing pipe 5 belows, reoxygenation layer 12 and processing layer 13 are established in antiseepage emery disc 8 belows, load the modification soil that is mixed according to a certain ratio by laterite, river sand, flyash and carbonization rice husk in the processing layer 13; Header 5 and header 9 connect ventpipe 15 and realize natural ventilation oxygenation.
The utility model embodiment day amount of disposing of sewage is 60 ~ 65L/d, and the residence time of sewage in device is 74 ~ 77h, sewage after present embodiment processing, COD Cr323.7mg/L reduces to water outlet mean concns 13.2mg/L from the water inlet mean concns, and TP reduces to water outlet mean concns 0.1mg/L from water inlet mean concns 5.0mg/L, and TN reduces to water outlet mean concns 18.9 mg/L, NH from water inlet mean concns 55.9mg/L 4 +-N reduces to water outlet mean concns 2.2 mg/L, COD from water inlet mean concns 49.4mg/L CrAverage removal rate be 95.9%, the average removal rate of TP is 98.0%, the average removal rate of TN is 66.2%, NH 4 +The clearance of-N is 95.5%, has treatment effect preferably.

Claims (4)

1. a domestic sewage in rural areas by using nature oxygenation diafiltration formula soil treatment unit is characterized in that device is made up of anaerobic treatment unit, soil processing unit and natural aeration system;
Described anaerobic treatment unit comprises water-in (1), three form anaerobic ponds (2), anaerobism cover plate (3) and baffle (4);
Described soil processing unit comprises water distributing pipe (5), distributing hole (6), Aerobic Pond (7), antiseepage emery disc (8), header (9), gully-hole (10), vegetable layer (11), processing layer (12) reoxygenation layer (13) and water outlet (14);
Described natural aeration system comprises ventpipe (15);
Wherein, one end of described three form anaerobic ponds (2) is provided with described water-in (1), the all outstanding described baffle (4) of adorning of each lattice pond central authorities of described three form anaerobic ponds (2), described baffle (4) is higher than the water surface, 15cm at the bottom of the pond adds described lid anaerobism cover plate (3) on the described three form anaerobic ponds (2); Described three form anaerobic ponds (2) are by described water distributing pipe (5) and described Aerobic Pond (7) UNICOM, it is 6 ~ 8mm that described water distributing pipe (5) is provided with diameter, die with water distributing pipe (5) is the center of circle, angle is 120 ° of paired distributing holes (6), the top of described Aerobic Pond (7) is provided with described vegetable layer (11), and the centre is provided with described antiseepage emery disc (8), processing layer (12) and reoxygenation layer (13); Described header (9) is positioned at the bottom of described Aerobic Pond (5), and it is 6 ~ 8mm that described header (9) is provided with diameter, is the center of circle with header (9) die, and angle is 120 ° of paired gully-holes (10); Described water outlet (13) is connected with described water pipe (9);
Described ventpipe (15) is connected with described water distributing pipe (5) and described header (9) respectively, and the other end is located at the top surface 10 ~ 15cm that is higher than described Aerobic Pond (7), realizes natural ventilation.
2. domestic sewage in rural areas by using nature oxygenation diafiltration formula according to claim 1 soil treatment unit, it is characterized in that, described antiseepage emery disc (8) is the uncovered frame of a rectangle, length is slightly longer than water distributing pipe (5), width is 30cm, be 10 ~ 12cm highly, the polyvinyl chloride anti seepage membrane of 0.3mm is all laid at the bottom of the frame and frame wall inboard, the uniform river of interior filling particle diameter sand.
3. domestic sewage in rural areas by using nature oxygenation diafiltration formula according to claim 1 soil treatment unit is characterized in that the preceding stainless steel mesh that is provided with of described water-in (1).
4. domestic sewage in rural areas by using according to claim 1 nature oxygenation diafiltration formula soil treatment unit is characterized in that it is characterized in that, described vegetable layer (11) is strong for the plantation energy for growth, and output is high and can do the English ryegrass of animal feed.
CN2011201501822U 2011-05-12 2011-05-12 Natural-aeration percolation type land treatment device for rural domestic sewage Expired - Fee Related CN202080988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201501822U CN202080988U (en) 2011-05-12 2011-05-12 Natural-aeration percolation type land treatment device for rural domestic sewage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201501822U CN202080988U (en) 2011-05-12 2011-05-12 Natural-aeration percolation type land treatment device for rural domestic sewage

Publications (1)

Publication Number Publication Date
CN202080988U true CN202080988U (en) 2011-12-21

Family

ID=45341629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201501822U Expired - Fee Related CN202080988U (en) 2011-05-12 2011-05-12 Natural-aeration percolation type land treatment device for rural domestic sewage

Country Status (1)

Country Link
CN (1) CN202080988U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103420486A (en) * 2013-08-02 2013-12-04 河海大学 Potted-landscape-type aerating ecological wetland device and method for purifying black and smelly riverway by using same
CN105601054A (en) * 2016-03-18 2016-05-25 北京科技大学 Rural domestic breeding mixed sewage treatment integrated system
CN110745958A (en) * 2019-10-31 2020-02-04 山东大学 Subsurface flow constructed wetland system for enhancing denitrification and unpowered reoxygenation and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103420486A (en) * 2013-08-02 2013-12-04 河海大学 Potted-landscape-type aerating ecological wetland device and method for purifying black and smelly riverway by using same
CN105601054A (en) * 2016-03-18 2016-05-25 北京科技大学 Rural domestic breeding mixed sewage treatment integrated system
CN110745958A (en) * 2019-10-31 2020-02-04 山东大学 Subsurface flow constructed wetland system for enhancing denitrification and unpowered reoxygenation and application thereof
CN110745958B (en) * 2019-10-31 2021-09-07 山东大学 Subsurface flow constructed wetland system for enhancing denitrification and unpowered reoxygenation and application thereof

Similar Documents

Publication Publication Date Title
CN102351378B (en) Method and system for processing rural sewage in artificial wetlands
CN101481194B (en) town domestic sewage treatment process
CN205045961U (en) Treatment of domestic sewage constructed wetland system
CN2908484Y (en) Animal culturing sewage treatment system
CN204968967U (en) Sewage treatment system based on ecological breed
CN101445297B (en) Method for deeply treating papermaking wastewater
CN206486407U (en) A kind of livestock breeding wastewater processing system
CN104291520B (en) One way of life sewage disposal and reuse method
CN103241907B (en) Method and device for treating organic oil-containing wastewater
CN113321369A (en) Tidal flow artificial wetland capable of simultaneously removing nitrogen and phosphorus
CN102718360A (en) Integrated livestock breeding waste water treatment method
CN104556378A (en) Integrated treatment system for rural domestic sewage and process of system
CN106915867B (en) Culture wastewater biochemical treatment system and preparation method and application of treatment by-product thereof
CN217077330U (en) Rural black grey water disconnect-type ecological treatment facility
CN105016579A (en) Rural sewage treatment system
CN112142258B (en) Resource and standard treatment method for domestic sewage of villages and towns
CN202080988U (en) Natural-aeration percolation type land treatment device for rural domestic sewage
CN208362108U (en) A kind of system carrying out aquiculture using recirculated water using biofilter-artificial swamp
CN204237675U (en) One way of life sewage disposal and reclaiming system
CN103979737B (en) A kind of city river, lake sewage purification system
CN203976577U (en) A kind of city river, lake sewage purification system
CN217437855U (en) Rural sewage treatment plant
CN204981491U (en) Rural sewage treatment plant
CN210974336U (en) Denitrification integrated equipment
CN109020045A (en) A kind of integration distributing rural domestic sewage treating device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111221

Termination date: 20120512