CN101555084B - Treatment method for rural sewage based on three-grid septic tank - Google Patents
Treatment method for rural sewage based on three-grid septic tank Download PDFInfo
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- CN101555084B CN101555084B CN200910051167XA CN200910051167A CN101555084B CN 101555084 B CN101555084 B CN 101555084B CN 200910051167X A CN200910051167X A CN 200910051167XA CN 200910051167 A CN200910051167 A CN 200910051167A CN 101555084 B CN101555084 B CN 101555084B
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Abstract
The invention relates to a treatment method for rural sewage based on three-grid septic tank, belonging to the technical field of sewage treatment. The treatment method comprises the following steps of: modifying the three-grid septic tank and arranging a water-collecting well; arranging an enhanced anaerobic barrel for carrying out deep anaerobic treatment to the discharged water of the three-grid septic tank; and jointing the anaerobic barrel and a biological filter. The monitoring result of water quality treated by the method shows that the discharged water reaches national one-level B discharge standard.
Description
Technical field
What the present invention relates to is a kind of method of technical field of sewage, specifically is a kind of treatment method for rural sewage based on three-grid septic tank.
Background technology
Because numerous urban residents' Environmental awareness weakness adds that the environmental management in rural area is failed immediately following rural society Economic development paces, the random unordered discharging phenomenon of Rural areas sanitary sewage is very serious.Simultaneously,, caused the general layout of Rural areas sanitary sewage discharging discrete distribution, can not take the mode that focuses on as urbanized area because urban residents are sparsely populated.For this reason, seek a kind of suitable Rural areas characteristics, efficient, low consumption, economy, domestic sewage in rural areas by using processing mode attractive in appearance, be an important content that beautifies rural environment, realizes Rural Sustainable Development.
Three-grid septic tank is the indispensable supporting living facilities of people's lives, and Rural areas almost every household all is provided with corresponding three-grid septic tank facility.According to investigations, current Rural areas is except bathroom waste water enters the three-grid septic tank of having built, and other all is directly to discharge nearby to enter the river course as sanitary sewages such as washes and kitchen waste waters, and the Rural areas quality of water environment has been caused huge pressure.The tradition three-grid septic tank is made up of three ponds that link, and is middle by manure through pipe UNICOM, and wherein first pond is mainly play and held back excrement slag, fermentation and the effect of precipitation worm's ovum, and the continuation fermentative action is played in second pond, and the fermentation storage effect of liquid manure is afterwards mainly played in the 3rd pond.Hold back precipitation and fermentation vat, fermentation vat and feace storing pool once more according to the major function of three cells called after successively.But traditional three-grid septic tank does not have sealing anaerobic digestion and filteration owing to lack technology content, and effluent sewerage water quality is severe overweight often, in linely in the Rural areas of no city planting ductwork goes into He Hu, brings havoc to peripheral water surrounding.Current, three septic tanks have just been admitted bathroom sewage, and daily a large amount of washes and kitchen waste water remain random discharging, do not include this treatment system in.In addition, three-grid septic tank is not mostly done antiseepage and is handled, and a large amount of direct seepages of liquid dung enter underground water.
For this reason, press for the present situation that changes unordered discharging of current domestic sewage in rural areas by using and three-grid septic tank sewage effluent severe overweight.One of ideal scheme promptly is in conjunction with three-grid septic tank, build family, unpowered rural area with sanitary sewage collection processing system implementing on the spot with suiting measures to local conditions, the processing discharging of round Realization domestic sewage in rural areas by using is for rural ecological environment, social economy's Sustainable development provide strong guarantee.
Through new, do not find identical with theme of the present invention or similar prior art in this area as yet to looking into of prior art.
Summary of the invention
The present invention is directed to the prior art above shortcomings, provide a kind of method of handling based on the domestic sewage in rural areas by using of three-grid septic tank, to reach the target that domestic sewage in rural areas by using is handled discharging, improved Rural Water Environment.
The present invention is achieved by the following technical solutions, and the present invention specifically may further comprise the steps:
1) transform three-grid septic tank and pump well is set: the 3rd lattice at three-grid septic tank excavate pump well near a side of dwelling house; Then, in the bottom of pump well the pvc pipe road being installed is communicated with three-grid septic tank; Waste water is bathed by pvc pipe road access set well in the kitchen, and settle the processing that removes the gred of slagging-off basket in the exit; At oil weir of the vertical insertion in the middle part of pump well, carry out oil removal and handle at last;
The cross-sectional dimension of described pump well is 40cm*40cm～60*60cm.
Described slagging-off basket is that the aperture is the plastics system of 2～5mm or bamboo basket.
Described oil weir is of a size of 40～60cm*30～50cm, and the oil weir depth of penetration is 15～25cm below the ordinary water level of three-grid septic tank and pump well.
2) the reinforced anaerobic bucket is set, degree of depth anaerobic treatment is carried out in water outlet to three-grid septic tank: the reinforced anaerobic bucket is installed in the water side at three-grid septic tank, traverse baffle is installed at the place, right side in the anaerobism bucket then, and left field is placed the test tube brush type filler, leaves venting hole at the top of anaerobism bucket at last;
The inlet of described anaerobism bucket is connected to the following 3～5cm of water level in the fertile pond of storage.
Described traverse baffle specifically is installed on 1/4th places, right side in the anaerobism bucket.
The sealing of described traverse baffle top and anaerobism bucket, lower openings makes inner bucket water stream be V-shape and flows to, and makes the sewage whole process that enters in the bucket filler of flowing through.
The diameter of described venting hole is 2～3 centimetres.
3) the anaerobism bucket is engaged with the biological filter: the biological filter is installed behind the anaerobism bucket and in the biological filter, puts water-fast earthworm in a suitable place to breed, then the water outlet of anaerobism bucket is inserted the biological filter and handle, the sanitary sewage after handle the biological filter is by the discharging of nature physical features difference of elevation.
The concrete steps of described installation biological filter are: digging significant depth on the ground level of the rear portion of anaerobism bucket is the filter tank of 80～100cm, and lay successively from the bottom to top in the bottom, filter tank: thickness is that the gravel of 15～25cm, melon seeds sheet and the thickness that thickness is 15～25cm are the coarse sand of 10～20cm; Cover the pedosphere that thickness is 15～25cm in the bottom, filter tank then; Again in the sidewall of filter tank 1/3 place along inlet to the water (flow) direction of outlet with cement build out highly be the 2/3 filter tank degree of depth on deflected current wall and following deflected current wall; A last side that exports over against the anaerobism bucket in the filter tank is dug a water outlet and is picked out header, utilizes the nature discrepancy in elevation by pipeline water outlet to be discharged nearby.
The present invention realizes the processing discharging of Rural areas resident living sewage, and method is simple and practical, and is workable.This method is compared with existing three-grid septic tank, and the invention process space is little, and the whole set of installation operational management is convenient, and treatment effect is good, does not need to use in addition the energy.
Description of drawings
Fig. 1 is the embodiment of the present invention vertical view;
Fig. 2 is the embodiment of the present invention side-view;
Fig. 3 is a biological filter of the present invention longitudinal diagram.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.Present embodiment specifically may further comprise the steps:
As shown in Figure 1, family expenses bathroom waste pipe is connected with the reception tank 1 of septic tank in the present embodiment, and excavating a degree of depth in the fertile pond 3 of storage near a side of bathroom waste pipe is the pump well 4 that 60cm, length and width are respectively 40cm; The pvc pipe road that in the bottom of pump well 4 diameter to be installed then be 5cm also is connected the inlet in pvc pipe road with the bottom in the fertile pond 3 of storage, it is the plastics system of the 3mm basket 5 that removes the gred that an end that closely stores up fertile pond 3 then in the pvc pipe road inserts the aperture; Be respectively the oil weir 6 of 40*30cm at last in the wide size of the middle part of pump well vertical insertion one block length, carry out oil removal and handle.
As shown in Figure 2, anaerobism bucket 7 is installed, anaerobism bucket inlet 8 is connected to the following 4cm of water level that stores up fertile pond 3, leave venting hole 9 at the top of anaerobism bucket 7 then, at last the traverse baffle 10 of 1/4th places installation on the right side in the anaerobism bucket in the water side in the fertile pond 3 of storage;
The diameter of described venting hole 9 is 2.5 centimetres,
Described traverse baffle 10 tops and the sealing of anaerobism bucket, lower openings makes inner bucket water stream be and makes when V-shape flows to that the bucket internal gas pressure is constant.
As shown in Figure 3, digging significant depth on the ground level of the rear portion of anaerobism bucket 7 is the filter tank 11 of 90cm, and lay from the bottom to top successively 11 bottoms in the filter tank: thickness is the coarse sand 14 that the gravel 12 of 20cm, melon seeds sheet 13 that thickness is 20cm and thickness are 15cm;
11 bottoms cover the pedosphere 15 that thickness is 20cm in the filter tank then; Again in 11 sidewalls of filter tank along inlet to 1/3 place of water (flow) direction of outlet build out with cement the height 2/3 filter tank degree of depth on deflected current wall 16 and following deflected current wall 17;
A last side of putting water-fast earthworm in a suitable place to breed and exporting over against anaerobism bucket 7 in filter tank 11 in filter tank 11 is dug a water outlet and is picked out header 18, utilizes the nature discrepancy in elevation by pipeline water outlet to be discharged nearby.
Present embodiment is indicated after water quality monitoring (WQM), through CODCr, the NH of sanitary sewage after the processing of biological filter eliminating
4 +The clearance of～N, TN, TP is respectively 65.3～74.2%, 25.6～52.8%, 23.5～47.6%, 34.2～58.7%, reaches country-level B emission standard.
Claims (9)
1. a method of handling based on the domestic sewage in rural areas by using of three-grid septic tank is characterized in that, may further comprise the steps:
1) transform three-grid septic tank and pump well is set: the 3rd lattice at three-grid septic tank excavate pump well near a side of dwelling house; Then, in the bottom of pump well the pvc pipe road being installed is communicated with three-grid septic tank; Waste water is bathed by pvc pipe road access set well in the kitchen, and settle the processing that removes the gred of slagging-off basket in the exit; At oil weir of the vertical insertion in the middle part of pump well, carry out oil removal and handle at last;
2) the reinforced anaerobic bucket is set, degree of depth anaerobic treatment is carried out in water outlet to three-grid septic tank: the reinforced anaerobic bucket is installed in the water side at three-grid septic tank, traverse baffle is installed at the place, right side in the anaerobism bucket then, and left field is placed the test tube brush type filler, leaves venting hole at the top of anaerobism bucket at last;
3) the anaerobism bucket is engaged with the biological filter: the biological filter is installed behind the anaerobism bucket and in the biological filter, puts water-fast earthworm in a suitable place to breed, then the water outlet of anaerobism bucket is inserted the biological filter and handle, the sanitary sewage after handle the biological filter is by the discharging of nature physical features difference of elevation.
2. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1 is characterized in that the cross-sectional dimension of described pump well is 40cm*40cm～60*60cm.
3. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1 is characterized in that described slagging-off basket is that the aperture is the plastics system of 2～5mm or bamboo basket.
4. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1, it is characterized in that, described oil weir is of a size of 40～60cm*30～50cm, and the oil weir depth of penetration is 15～25cm below the ordinary water level of three-grid septic tank and pump well.
5. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1 is characterized in that, the inlet of described anaerobism bucket is connected to the following 3～5cm of water level in the fertile pond of storage.
6. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1 is characterized in that described traverse baffle is installed on 1/4th places, right side in the anaerobism bucket.
7. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1, it is characterized in that described traverse baffle top and the sealing of anaerobism bucket, lower openings, make inner bucket water stream be V-shape and flow to, make the sewage whole process that enters in the bucket filler of flowing through.
8. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1 is characterized in that the diameter of described venting hole is 2～3 centimetres.
9. the method for handling based on the domestic sewage in rural areas by using of three-grid septic tank according to claim 1 is characterized in that the step of described installation biological filter is:
Digging significant depth on the ground level of the rear portion of anaerobism bucket is the filter tank of 80～100cm, and lay successively from the bottom to top in the bottom, filter tank: thickness is that the gravel of 15～25cm, melon seeds sheet and the thickness that thickness is 15～25cm are the coarse sand of 10～20cm;
Cover the pedosphere that thickness is 15～25cm in the bottom, filter tank then;
Again in the sidewall of filter tank 1/3 place along inlet to the water (flow) direction of outlet with cement build out highly be the 2/3 filter tank degree of depth on deflected current wall and following deflected current wall;
A last side that exports over against the anaerobism bucket in the filter tank is dug a water outlet and is picked out header, utilizes the nature discrepancy in elevation by pipeline water outlet to be discharged nearby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910051167XA CN101555084B (en) | 2009-05-14 | 2009-05-14 | Treatment method for rural sewage based on three-grid septic tank |
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| CN200910051167XA CN101555084B (en) | 2009-05-14 | 2009-05-14 | Treatment method for rural sewage based on three-grid septic tank |
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| CN101555084A CN101555084A (en) | 2009-10-14 |
| CN101555084B true CN101555084B (en) | 2011-04-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101818491A (en) * | 2010-05-31 | 2010-09-01 | 四川省水利水电勘测设计研究院 | Drainage system of hydropower station |
| CN102260026B (en) * | 2011-06-29 | 2013-02-13 | 无锡强工机械工业有限公司 | Life miscellaneous wastewater biochemical treatment device |
| CN106430830A (en) * | 2016-10-28 | 2017-02-22 | 江苏通全球工程管业有限公司 | Household ecological utilization module |
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