CN103015457A - Method for building rural brick buried sewage treatment facility - Google Patents
Method for building rural brick buried sewage treatment facility Download PDFInfo
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- CN103015457A CN103015457A CN2012105049034A CN201210504903A CN103015457A CN 103015457 A CN103015457 A CN 103015457A CN 2012105049034 A CN2012105049034 A CN 2012105049034A CN 201210504903 A CN201210504903 A CN 201210504903A CN 103015457 A CN103015457 A CN 103015457A
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Abstract
The invention discloses a method for building a rural brick buried sewage treatment facility. The method comprises the following steps: a bottom foundation of a pool body is built through first excavating a foundation pit, reinforcing a foundation pit soil slope, dewatering the foundation pit, cleaning a groove in the bottom of the foundation pit, ramming the foundation pit by using plain soil after the soil is excavated to a desired depth and horizontally flattened and laying a 300 mm thick crushed-stone cushion, a 100 mm thick C15 commercial concrete and a 250 mm thick C25 commercial concrete on the foundation pit; the surrounding wall of the pool body is built through building a 370 mm thick wall by using bricks, coating 20 mm thick 1:2.5 cement mortars on the surfaces of an inner wall and an outer wall of the pool body, laying waterproof layers on the inner wall and the outer wall of the pool body and finally leveling up the inner wall and the outer wall of the pool body by using 20 mm thick 1:2.5 cement mortars; and the pool top is built through erecting formworks of a top cover and a ring beam on the pool top, making a 120 mm thick pool top cover prefabricated slab, detaching a top cover mold and plastering the pool top by using 80 mm cement mortars. The method for building the rural brick buried sewage treatment facility, disclosed by the invention, has the advantages of convenience in building, stable structure and lower building cost.
Description
Technical field
The invention belongs to the villages and small towns technical field of sewage, be specifically related to a kind of construction method for the brick buried sewage treatment facility in villages and small towns.
Background technology
At present, China's most of rural area sanitary sewage is not effectively addressed, and has brought more serious water environment pollution problem.The rural sewage treatment facility that foundation disperses with suiting measures to local conditions, scale is moderate is the most effective means of improving rural area periphery ecological environment.Buried sewage treatment facility often adopts the steel formula, generally weighs several tons and even tens tons, needs by heavy-duty vehicle equipment conveying to be arrived first to build point, then with professional crane it is hung in the foundation ditch that digs in advance, and earthing is buried again.And country road narrower, have inconvenient traffic, large truck, crane etc. is difficult to march into the arena, the erection of equipment difficulty that puts in place.In addition, steel facility cost is high, perishable, needs to lay corresponding butadiene-styrene rubber (being called for short SBR) waterproofing course and gets rusty preventing, some regional groundwater table are higher simultaneously, and sewage treatment facility can be floated from underground under the lifting effect of underground water.These restrictive conditions are so that steel formula sewage treatment facility is difficult in a lot of rural areas of China particularly southern dense waterway net region is used widely.
Summary of the invention
The objective of the invention is to solve the deficiency of above-mentioned steel formula sewage treatment facility and a kind of construction method for the brick buried aerobic/anaerobic in villages and small towns (be called for short A/O) sewage treatment facility is provided, this facility is built convenient, and sewage treatment facility Stability Analysis of Structures and the running cost of building are lower.
The technical solution used in the present invention is as follows: the present invention includes pond body base foundation construction, the pool wall construction all around of pond body, Chi Ding construction, described pond body base foundation comprises at the bottom of the pond of regulating sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay.Its construction method is: at first carry out pit earthwork excavation, the reinforcing of soil mass of foundation pit bank protection, the clear groove of foundation pit dewatering and foundation ditch bottom, after excavating soil layer and having reached the required degree of depth and smooth level, use rammed earth, and then the thick hardcore bed of laying 300mm, the C15 Commercial Concrete that 100mm is thick (C15 is the strength grade that represents Commercial Concrete), and the thick C25 Commercial Concrete of Φ 14@, 150 double-layer double-direction 250mm (spacing that@150 represents between the reinforcing bar is 150mm, and C25 represents the strength grade of Commercial Concrete); Described pool wall comprises pool wall around the pond body of regulating sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay, and the mode that these pool walls all adopt the pseudo-ginseng wall brick to build is built.Pond inside and outside wall surface preparation is: the thick 1:2.5 cement mortar of 20mm is smeared first on the inside and outside wall surface, then lays the SBR waterproofing course, uses at last the thick 1:2.5 cement mortar screeding of 20mm again; Described Chi Ding comprises the Chi Ding that regulates sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay.Its construction method is: at first at the formwork of pond jacking row top cover and collar tie beam, then according to the thick C25 concrete of 120mm, and the standard of Φ 14 150 single-layer bidirectionals makes thick 120mm pond top cover precast plate, removes at last top cover form, and with the thick cement sand plaster of 80mm.
Main advantage of the present invention is:
(1) soil, rural area is abundant, on-site construction brick type structure, and it is lower to build convenient, Stability Analysis of Structures and construction cost, meets life present situation and the ability to shoulder economically of rural area, is easy to promote operation.By brick type biochemical treatment system stepwise disposal, guarantee that effluent quality is continual and steady.
(2) the rural area fragment of brick cheaply is easy to get, as using Urban House Demolition and the old housing reform discarded house brick in making, adopt the brick type structure, by building buried multi-stage sewage treatment pond, effectively process the sanitary sewage of rural area, had the characteristics such as small investment, cost is low, treatment effect is stable, operational management is convenient.
Description of drawings
Fig. 1 is the sectional drawing for the brick buried aerobic/anaerobic sewage treatment facility in villages and small towns;
Fig. 2 is the base foundation sectional drawing for the brick buried aerobic/anaerobic sewage treatment facility in villages and small towns;
Fig. 3 is the top-sectional view for the brick buried aerobic/anaerobic sewage treatment facility in villages and small towns;
Among the figure: 1. regulate sedimentation basin; 2. anaerobic pond; 3. Aerobic Pond; 4. sedimentation basin; 5. sludge digestion tank; 6. discharge bay; 7. Φ 14@150 double-layer double-direction 250 thick C25 concretes; 8.100 thick C15 element concrete; 9. 300 thick hardcore beds; 10. the compacting element is native; 11. 20 thick 1:2.5 cement mortar; 12.SBS waterproofing course; 13. 20 thick 1:2.5 cement mortar screeding layers; 14. pseudo-ginseng brick wall; 15. cement sand plaster 80mm is thick; 16. thick 120mm precast plate.A1. water pump; A2. water pump; H1. the height of water inlet; H2. regulate center to center distance pond, preformed hole hole heights of roofs between sedimentation basin and the anaerobic pond; H3. center to center distance pond, preformed hole hole heights of roofs between anaerobic pond and the Aerobic Pond; H4. center to center distance pond, preformed hole hole heights of roofs between Aerobic Pond and the sedimentation basin; H5. center to center distance pond, preformed hole hole heights of roofs between sedimentation basin and the sludge digestion tank; H6. center to center distance pond, preformed hole hole heights of roofs between sludge digestion tank and the discharge bay; H7. center to center distance pond, preformed hole hole heights of roofs behind the discharge bay; H8. pond height; B1. regulate the length of sedimentation basin; B2. regulate the length of precipitation anaerobic pond; B3. the length of Aerobic Pond; B4. the length of sedimentation basin; B5. the length of sludge digestion tank; B6. the length of discharge bay.
The specific embodiment
Shown in accompanying drawing 1-3, brick type A/O sewage treatment facility is mainly built several parts and is formed by pool wall construction, Chi Ding around the construction of pond body base foundation, the pond body.Concrete construction method is as follows.
The first step: the sewage treatment facility base foundation is laid.At the pit earthwork excavation and after reinforcing the soil mass of foundation pit bank protection, carry out the clear groove in foundation pit dewatering and foundation ditch bottom.After excavating soil layer and having reached the required degree of depth and smooth level, carry out rammed earth 10, and then lay the thick hardcore bed 9 of 300mm, 100mm C15 Commercial Concrete 8, the C25 Commercial Concrete 7 of diameter 14mm thickness 250mm double-layer double-direction, as shown in Figure 2.
Second step: pool wall is built around the body of sewage treatment facility pond.It is brick that pool wall adopts pseudo-ginseng wall 14 around the body of pond.The main pond body of building comprises regulates sedimentation basin 1, anaerobic pond 2, Aerobic Pond 3, sedimentation basin 4, sludge digestion tank 5, discharge bay 6, pond body width is 3.6m, the pond height is H8, the body of wall length of regulating sedimentation basin 1, anaerobic pond 2, Aerobic Pond 3, sedimentation basin 4, sludge digestion tank 5, discharge bay 6 is followed successively by B1, B2, B3, B4, B5, B6, as shown in Figure 1.After brick pool wall is built up, the thick 1:2.5 cement mortar 11 of 20mm is smeared first on inside and outside wall surface, pond, then lay SBR waterproofing course 12, carry out leveling with the thick 1:2.5 cement mortar 13 of 20mm more at last.
The 3rd step: sewage treatment facility Chi Ding builds.After pool wall is finished around the body of pond, at the formwork of pond jacking row top cover and collar tie beam, then according to the thick C25 concrete of 120mm, and the standard of Φ 14 150 single-layer bidirectionals is made thick 120mm pond top cover precast plate 16, remove at last top cover form, and wipe one's face with the thick cement mortar 15 of 80mm, as shown in Figure 3.
In addition, the present invention bottom of regulating sedimentation basin and sludge digestion tank in sewage treatment facility arranges respectively water pump A1, A2, the using and the reserved.The water extraction that A1 is mainly used in will regulating in the sedimentation basin 1 rises to anaerobic pond 2, A2 then main with the sludge reflux in the sludge digestion tank 5 to anaerobic pond 2, simultaneously sludge lifting is transported outward.
Below provide 5 embodiment to further specify the present invention.
Embodiment 1
Pool wall adopts the pseudo-ginseng wall brick to build around the pond body of brick type A/O sewage treatment facility, mainly is to regulate sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay, and wherein body width in pond is 3.6m.A1, A2 are respectively the water pump of regulating sedimentation basin and sludge digestion tank bottom, the using and the reserved.B1=7.2m，B2=16.0m，B3=37.0m，B4=8.0m，B5=7.4m，B6=6.0m。H1=water inlet height, this preformed hole Φ=300mm; H2=1.1m, this preformed hole is of a size of 200mm * 200mm; H3=0.9m, this preformed hole is of a size of 200mm * 200mm; H4=1.1m, this preformed hole is of a size of 250mm * 250mm; H5=0.8m, this preformed hole is of a size of 200mm * 200mm; H6=0.8m, this preformed hole is of a size of 200mm * 200mm; H7=1.0m, this preformed hole Φ=300mm; H8=3.7m.Base foundation is followed successively by from top to bottom: the thick C25 Commercial Concrete of Φ 14@, 150 double-layer double-direction 250mm, thick hardcore bed, the rammed earth of C15 Commercial Concrete, 300mm that 100mm is thick.
Day discharging 700m
3Domestic sewage of villages and small towns, the sewage treatment process of the present invention unit of flowing through is successively processed.COD in the sewage can be down to 19.36mg/L from 102.72mg/L, total nitrogen is down to 5.96mg/L from 13.68mg/L, total phosphorus is down to 0.345mg/L from 1.22mg/L, ammonia nitrogen is down to 0.491mg/L from 12.36mg/L, its clearance reaches respectively 81.15%, 56.43%, 71.81% and 96.03%, and the effluent index value all is lower than " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level B standard.
Embodiment 2
Pool wall adopts the pseudo-ginseng wall brick to build around the pond body of brick type A/O sewage treatment facility, mainly is to regulate sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay, and wherein body width in pond is 4.0m.A1, A2 are respectively the water pump of regulating sedimentation basin and sludge digestion tank bottom, the using and the reserved.B1=2.0m，B2=4.0m，B3=6.0m，B4=3.0m，B5=3.0m，B6=2.0m。H1=water inlet height, this preformed hole Φ=300mm; H2=1.0m, this preformed hole is of a size of 200mm * 200mm; H3=0.8m, this preformed hole is of a size of 200mm * 200mm; H4=1.0m, this preformed hole is of a size of 250mm * 250mm; H5=0.7m, this preformed hole is of a size of 200mm * 200mm; H6=0.7m, this preformed hole is of a size of 200mm * 200mm; H7=0.9m, this preformed hole Φ=300mm; H8=2.5m.Base foundation is followed successively by from top to bottom: the thick C25 Commercial Concrete of Φ 14@, 150 double-layer double-direction 250mm, thick hardcore bed, the rammed earth of C15 Commercial Concrete, 300mm that 100mm is thick.
Day discharging 250m
3Domestic sewage of villages and small towns, the sewage treatment process of the present invention unit of flowing through is successively processed.COD in the sewage can be down to 40.80mg/L from 98.40mg/L, total nitrogen is down to 9.41mg/L from 52.20mg/L, total phosphorus is down to 0.927mg/L from 3.40mg/L, ammonia nitrogen is down to 2.05mg/L from 46.80mg/L, its clearance reaches respectively 59.00%, 81.97%, 72.70% and 96.00%, and the effluent index value all is lower than " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level B standard.
Embodiment 3
Pool wall adopts the pseudo-ginseng wall brick to build around the pond body of brick type A/O sewage treatment facility, mainly is to regulate sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay, and wherein body width in pond is 3.8m.A1, A2 are respectively the water pump of regulating sedimentation basin and sludge digestion tank bottom, the using and the reserved.B1=1.8m，B2=3.0m，B3=4.0m，B4=2.0m，B5=2.0m，B6=2.0m。H1=water inlet height, this preformed hole Φ=300mm; H2=1.0m, this preformed hole is of a size of 200mm * 200mm; H3=0.8m, this preformed hole is of a size of 200mm * 200mm; H4=1.0m, this preformed hole is of a size of 250mm * 250mm; H5=0.7m, this preformed hole is of a size of 200mm * 200mm; H6=0.7m, this preformed hole is of a size of 200mm * 200mm; H7=0.9m, this preformed hole Φ=300mm; H8=2.3m.Base foundation is followed successively by from top to bottom: the thick C25 Commercial Concrete of Φ 14@, 150 double-layer double-direction 250mm, thick hardcore bed, the rammed earth of C15 Commercial Concrete, 300mm that 100mm is thick.
Day discharging 150m
3Domestic sewage of villages and small towns, the sewage treatment process of the present invention unit of flowing through is successively processed.COD in the sewage can be down to 32.80mg/L from 118.00mg/L, total nitrogen is down to 12.80mg/L from 40.00mg/L, total phosphorus is down to 0.96mg/L from 2.28mg/L, ammonia nitrogen is down to 0.424mg/L from 22.40mg/L, its clearance reaches respectively 72.00%, 68.00%, 57.90% and 98.00%, and the effluent index value all is lower than " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level B standard.
Embodiment 4
Pool wall adopts the pseudo-ginseng wall brick to build around the pond body of brick type A/O sewage treatment facility, mainly is to regulate sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay, and wherein body width in pond is 3.0m.A1, A2 are respectively the water pump of regulating sedimentation basin and sludge digestion tank bottom, the using and the reserved.B1=1.5m，B2=2.5m，B3=3.2m，B4=1.8m，B5=2.0m，B6=1.8m。H1=water inlet height, this preformed hole Φ=300mm; H2=1.0m, this preformed hole is of a size of 200mm * 200mm; H3=0.8m, this preformed hole is of a size of 200mm * 200mm; H4=1.0m, this preformed hole is of a size of 250mm * 250mm; H5=0.7m, this preformed hole is of a size of 200mm * 200mm; H6=0.7m, this preformed hole is of a size of 200mm * 200mm; H7=0.9m, this preformed hole Φ=300mm; H8=2.3m.Base foundation is followed successively by from top to bottom: the thick C25 Commercial Concrete of Φ 14@, 150 double-layer double-direction 250mm, thick hardcore bed, the rammed earth of C15 Commercial Concrete, 300mm that 100mm is thick.
Day discharging 30m
3Domestic sewage of villages and small towns, the sewage treatment process of the present invention unit of flowing through is successively processed.COD in the sewage can be down to 38.00mg/L from 145.00mg/L, total nitrogen is down to 9.02mg/L from 18.20mg/L, total phosphorus is down to 0.253mg/L from 0.571mg/L, ammonia nitrogen is down to 6.38mg/L from 9.99mg/L, its clearance reaches respectively 74.00%, 50.44%, 55.70% and 36.00%, and the effluent index value all is lower than " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level B standard.
Embodiment 5
Pool wall adopts the pseudo-ginseng wall brick to build around the pond body of brick type A/O sewage treatment facility, mainly is to regulate sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay, and wherein body width in pond is 3.6m.A1, A2 are respectively the water pump of regulating sedimentation basin and sludge digestion tank bottom, the using and the reserved.B1=6.8m，B2=13.0m，B3=30.0m，B4=5.0m，B5=5.2m，B6=4.0m。H1=water inlet height, this preformed hole Φ=300mm; H2=1.1m, this preformed hole is of a size of 200mm * 200mm; H3=0.9m, this preformed hole is of a size of 200mm * 200mm; H4=1.1m, this preformed hole is of a size of 250mm * 250mm; H5=0.8m, this preformed hole is of a size of 200mm * 200mm; H6=0.8m, this preformed hole is of a size of 200mm * 200mm; H7=1.0m, this preformed hole Φ=300mm; H8=3.2m.Base foundation is followed successively by from top to bottom: the thick C25 Commercial Concrete of Φ 14@, 150 double-layer double-direction 250mm, thick hardcore bed, the rammed earth of C15 Commercial Concrete, 300mm that 100mm is thick.
Day discharging 30m
3Domestic sewage of villages and small towns, the sewage treatment process of the present invention unit of flowing through is successively processed.COD in the sewage can be down to 26.40mg/L from 66.80mg/L, total nitrogen is down to 0.80mg/L from 7.80mg/L, total phosphorus is down to 0.03mg/L from 1.30mg/L, ammonia nitrogen is down to 0.03mg/L from 1.30mg/L, its clearance reaches respectively 60.00%, 89.74%, 97.70% and 98.00%, and the effluent index value all is lower than " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level B standard.
Claims (1)
1. one kind is used for the brick buried sewage treatment facility construction method in villages and small towns, comprises that pond body base foundation construction, the pool wall construction all around of pond body, Chi Ding build, and is characterized in that:
Described pond body base foundation is built at the bottom of building and comprising the pond of regulating sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay: at first carry out pit earthwork excavation, the reinforcing of soil mass of foundation pit bank protection, the clear groove of foundation pit dewatering and foundation ditch bottom, after excavating soil layer and having reached the required degree of depth and smooth level, use rammed earth, and then the thick hardcore bed of laying 300mm, the intensity C15 Commercial Concrete that 100mm is thick, and the thick C25 Commercial Concrete of Φ 14@, 150 double-layer double-direction 250mm;
Pool wall was built around pool wall was built and comprised the pond body of regulating sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay around the body of described pond, pool wall all adopts the pseudo-ginseng wall brick to build, the thick 1:2.5 cement mortar of 20mm is smeared first on inside and outside wall surface, pond, then lay waterproofing course, use again at last the thick 1:2.5 cement mortar screeding of 20mm;
Described Chi Ding builds and comprises that the Chi Ding that regulates sedimentation basin, anaerobic pond, Aerobic Pond, sedimentation basin, sludge digestion tank, discharge bay builds: at first at the formwork of pond jacking row top cover and collar tie beam, then according to the thick C25 concrete of 120mm, and the standard of Φ 14 150 single-layer bidirectionals is made thick 120mm pond top cover precast plate, remove at last top cover form, and with the thick cement sand plaster of 80mm.
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| CN201210504903.4A CN103015457B (en) | 2012-12-03 | 2012-12-03 | Method for building rural brick buried sewage treatment facility |
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| CN103015457B CN103015457B (en) | 2015-07-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085982A (en) * | 2014-06-12 | 2014-10-08 | 常州大学 | Decentralized small and medium pig farmer pig manure collection and hydrolytic acidification tank construction method |
| CN107176756A (en) * | 2017-06-09 | 2017-09-19 | 常州大学 | It is a kind of to be dissolved method processing villages and small towns wastewater treatment facility method of construction without refluxing multi-stage AO+ ecologies |
| CN107288156A (en) * | 2017-07-27 | 2017-10-24 | 平湖市开元混凝土有限公司 | A kind of construction method in the special-shaped pond in underground |
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| CN104085982A (en) * | 2014-06-12 | 2014-10-08 | 常州大学 | Decentralized small and medium pig farmer pig manure collection and hydrolytic acidification tank construction method |
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| CN107288156A (en) * | 2017-07-27 | 2017-10-24 | 平湖市开元混凝土有限公司 | A kind of construction method in the special-shaped pond in underground |
| CN107288156B (en) * | 2017-07-27 | 2020-12-22 | 平湖市开元混凝土股份有限公司 | Construction method of underground special-shaped water pool |
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| CN103015457B (en) | 2015-07-22 |
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Effective date of registration: 20220725 Address after: 243000 building 7, 1800 Yushan West Road, Yushan District, Ma'anshan City, Anhui Province Patentee after: ANHUI HUANGHE WATER-RESOURCE POLYTRON TECHNOLOGIES Inc. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |
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