CN202658053U - Buried sewage treatment device - Google Patents
Buried sewage treatment device Download PDFInfo
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- CN202658053U CN202658053U CN 201220308081 CN201220308081U CN202658053U CN 202658053 U CN202658053 U CN 202658053U CN 201220308081 CN201220308081 CN 201220308081 CN 201220308081 U CN201220308081 U CN 201220308081U CN 202658053 U CN202658053 U CN 202658053U
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Abstract
The utility model discloses a buried sewage treatment device, which comprises an adjusting tank, a primary settling tank, an anaerobic bio-filter, an aerobic biological contact oxidation tank, a secondary settling tank, a sand filter and a sterilization tank, wherein all the constituent parts are connected in the sequence of the adjusting tank, the primary settling tank, the anaerobic bio-filter, the aerobic biological contact oxidation tank, the secondary settling tank, the sand filter and the sterilization tank.
Description
Technical field
The utility model belongs to the waste disposal plant field, is specifically related to a kind of flush-with-ground type sewage treating device.
Background technology
In the middle of the development process in city, some urban infrastructure construction such as sewage work often lag behind the construction in city, and in the area that municipal sewage pipe network does not arrive, the residential quarters sanitary sewage disposal is very scabrous problem always.According to incompletely statistics, the pollutent of sanitary sewage has accounted for 40%～50% of water pollutant total amount in the city.Because the Urban Underground water channel sewage collection system of China is not perfect, sewage work's fraction of coverage is lower and the numerous not treated just directly dischargings of sanitary sewage that can't take over the biotope in area of causing cause the more serious problem of environmental pollution in order to solve.
Sanitary sewage comprises all waste water such as ight soil and wash-down water thereof, kitchen cooking water, bath wastewater.According to the Fifth Population Census of China, China Rural Population is about 8.88 hundred million, accounts for 70.1% of population.Along with developing rapidly and the rapid raising of vast rural area living standards of the people and the obvious improvement of living condition of small towns, rural area, population is lived increasingly concentrated, the quantity discharged of domestic sewage in rural areas by using constantly increases, by 2010, and about 27,000,000,000 t of Chinese villages and small towns quantity of wastewater effluent.Yet, the sanitary sewage disposal ability in rural area, China small towns is low, processing mode falls behind, main means are to build the stdn manure pit, and the miasma septic tank that adopts now then must be processed through follow-up facultative or aerobic filter tank just can reach national composite wastewater discharging secondary standard.In recent years, domestic investigator applies mechanically city or industrial sewage biochemical treatment or materialization treatment technology, as adopting the UASB(up-flow anaerobic sludge blanket), the SBR(sequence bioreactor), membrane bioreactor and buried contact-oxidation pool etc. all are difficult to apply in the rural area owing to reasons such as investment are large, energy consumption is high, working cost is high, management difficulty is large; Have also that organic loading is lower, treatment effect is subjected to the large and difficult shortcoming of routine maintenance of seasonal effect and study at present more Artificial Wetland Techniques and the treatment technologies such as Flow Pattern of Constructed Wetland that develop on its basis.
The utility model discloses a kind of flush-with-ground type sewage treating device, flush-with-ground type sewage treating device practical situation in engineering design and engineering application have been sketched, analyze the relative merits of dynamic flush-with-ground type sewage treating device, proposed to select according to the engineering practical situation suggestion of waste disposal plant.
The utility model content
Technical purpose of the present utility model is to disclose a kind of flush-with-ground type sewage treating device, this Sewage treatment systems mainly adopts biological contact oxidation process, under aerobic condition, utilize aerobic bacteria with the organic substance decomposing in the sewage, because contain suspended substance in the sewage, floating matter enters equalizing tank, adopting AS type sump pump that biological contact oxidation pond is torn, cuts off, is delivered to fibrous material carries out a biological disposal upon, by biomembranous effect on the contact-oxidation pool filler, make sewage purification; The microbial film that sewage comes off in contact-oxidation pool flows into secondary sedimentation basins to carry out sewage and separates.After the sewage inflow sand filter after the settling tank clarification carries out advanced treatment, enter sterilization pool and process, after sterilization, it is reuse or discharging that sewage has been finished every processing.
For realizing the utility model utility model purpose, adopt following technical scheme:
1. a flush-with-ground type sewage treating device is characterized in that comprising by equalizing tank, preliminary sedimentation tank, anaerobic biofilter, aerobic bio-contact oxidation pond, second pond, and sand filter, sterilization pool consists of; Wherein, the successively order of connection of each component part is: equalizing tank, preliminary sedimentation tank, anaerobic biofilter, aerobic bio-contact oxidation pond, second pond, sand filter, sterilization pool.
2. described equalizing tank, it mainly regulates water quality, the water yield of sewage, and volume adjusted is decided on the ununiformity of coming water, generally gets the average water yield of 6-8 h, is provided with preaerator in the pond, can avoid anerobic sowage fermentation in the pond simultaneously.
3. described preliminary sedimentation tank, it is for economizing the general vertical sedimentation basin that adopts in ground, and upflow velocity 0.2-0.4 mm/s, surface load are 1.2-1.8 m
3/ m
2H, water outlet flows automatically to anaerobic biofilter, and the mud of precipitation is carried to sludge sump with air.
4. described anaerobic biofilter, its length and width height is respectively: 18 m, 3 m, 4 m, filtrate volume and particle diameter of filter medium are respectively: 50 m
3, 35 mm filter the built on stilts thick biological filter bed of material of one 2.5 m in the anaerobic pond, and filtrate adopts haydite of uniform size.
5. described aerobic bio-contact oxidation pond, it adopts the pulling flow type biological contact oxidation process, and is equipped with novel 3 D elastic filler, have certain flexibility and rigidity, rebound performance is good, and material is lighter than water, can evenly unfold in water, aqueous vapor is done the multi-level cutting of intensive, improve the transmission coefficient of dissolved oxygen, reduced air quantity, kept the solid space uniform density, the aqueous vapor microbial film is fully contacted, can guarantee sewage disposal after indices comprehensively up to standard.
6. described second pond, the sewage behind the biochemistry flows to second pond, and it is 2 vertical sedimentation basin parallel runnings, and effect mainly is that precipitation peels off aging microbial film, and the second pond surface load is 1-1.3 m
3/ m
2H, upflow velocity are that 0.1-0.15 mm/s spoil disposal is carried to sludge sump with air.
7. described sand filter, it adopts forward flow filtering, countercurrent backwashing (filtrate is quartz sand, filtrate supporting layer 0.4 m, filter material layer 0.8 m, packed resin layer 0.5 m).
8. described sterilization pool, after the sand filter water outlet enters sterilization pool, contain a large amount of microorganisms and bacterium etc. in the water, the disinfection way of solid chlorine tablets contact lysis is adopted in sterilization, also have and adopt chlorine dioxide generator to sterilize, disinfecting time is 30 min, can increase to 1-1.5 h if process hospital sewage.
Description of drawings
Fig. 1 the utility model flush-with-ground type sewage treating device schematic flow sheet;
Sewage water inlet pipe 1 among Fig. 1, grid 2, and equalizing tank 3, preliminary sedimentation tank 4, anaerobic pond 5, pump promotes 6, blower fan 7, aerobic bio-contact oxidation pond 8, second pond 9, sand filter 10, sterilization pool 11, discharging pond 12.
Embodiment
In conjunction with Fig. 1, by embodiment the utility model is further described.
Embodiment
Flush-with-ground type sewage treating device described in the utility model, its order of connection is followed successively by: sewage water inlet pipe 1, grid 2, equalizing tank 3, preliminary sedimentation tank 4, anaerobic pond 5, pump promotes 6, aerobic bio-contact oxidation pond 8, second pond 9, sand filter 10, sterilization pool 11, discharging pond 12.Blower fan 7 is connected to aeration on the aerobic bio-contact oxidation pond 8.
Enter equalizing tank 3 through the grid 2 preliminary sanitary sewages that filter, because the inequality of the discharge of sewage, equalizing tank has adopted a pond multiplex in Process Planning, not only equalizing tank plays regulating water quality, the water yield, and the function that can also tackle floating matter and bright oil, more effectively improve the biochemical of sewage disposal.
Sewage after equalizing tank 3 is processed enters into preliminary sedimentation tank 4, and then enters two anaerobic ponds of mutually connecting 5, filters the built on stilts thick biological filter bed of material of one 2.5 m in the anaerobic pond, and filtrate adopts haydite of uniform size.On filtrate was selected, it was the haydite of 45-50 mm that particle diameter is selected in last filter tank, and the particle diameter that a rear filter tank is selected is 35-40mm.In order to prevent the danger of filter clogging, adopt three preventive measures: (1) adds fine and closely woven grid one entering the ingress of filtering anaerobic pond, adds access opening in the ingress simultaneously, removes at any time tamper; (2) the filler layering arranges, every layer of thick 0.5～1.0 m of filler, and interlayer stays the gap of 0.25 ~ 0.4 m, to prevent obstruction, reaches the purpose of again rectification; (3) filter material layer is made can be rotated the filter material layer that a fixed gap is left on top, built on stilts filter material layer with a rotating shaft.During normal operation, the filter material layer two ends hang with steel wire, avoid destabilizing.When filter material layer stops up, then utilize wireline to rotate filter material layer, filter material layer is turned, make closely that filtering material particle relatively moves, become loose.Also carry out simultaneously back flushing, reach and remove the purpose of stopping up.
The sewage of processing through anaerobic pond 5 enters aerobic bio-contact oxidation pond 8, contact-oxidation pool is divided into three grades, total residence time 4～5 h, after sewage enters contact-oxidation pool, under aerobic condition, the organism in the sewage changes into stable material by being attached to the metabolism of the microorganism on the filler, simultaneously, aging rear the peeling off from filling surface of aerobic bacteria growth enters sewage.Filler is the resilient filler, easy conjunctiva, and packing specific area can reach 400 m
2/ m
3, gas-water ratio is about 12:1.
Sewage behind the biochemistry flows to second pond 9, and it is 2 vertical sedimentation basin parallel runnings, and effect mainly is that precipitation peels off aging microbial film, and the second pond surface load is 1-1.3 m
3/ m
2H, upflow velocity are that 0.1-0.15 mm/s spoil disposal is carried to sludge sump with air.
What sand filter 10 adopted is forward flow filtering, countercurrent backwashing, after the sand filter water outlet enters sterilization pool, contain a large amount of microorganisms and bacterium etc. in the water, the disinfection way of solid chlorine tablets contact lysis is adopted in sterilization, also have and adopt chlorine dioxide generator to sterilize, disinfecting time is 30 min, can increase to 1-1.5 h if process hospital sewage.
The process characteristic of this device:
(1) adopts advanced A/O method (anaerobism+aerobic) treatment process;
(2) sludge yield is few, need not sludge treatment device;
(3) the organic pollutant removal rate is high, stable effluent quality, and capacity of resisting impact load is strong;
(4) denitrogenation dephosphorizing, water outlet can enter natural water body;
(5) be embedded in undergroundly, take up an area fewly, also can be located on the ground;
(6) a plurality of unit join, and become extensive sewage-farm;
(7) working cost is low;
(8) one-time investment few (saving more than 50% than traditional technology);
(9) installation is simple and easy, convenient management;
(10) buried purification tank did not generally bear the car load, adopted reinforcing structure when high load is arranged.
Claims (7)
1. a flush-with-ground type sewage treating device is characterized in that comprising by equalizing tank, preliminary sedimentation tank, anaerobic biofilter, aerobic bio-contact oxidation pond, second pond, and sand filter, sterilization pool consists of; Wherein, the successively order of connection of each component part is: equalizing tank, preliminary sedimentation tank, anaerobic biofilter, aerobic bio-contact oxidation pond, second pond, sand filter, sterilization pool.
2. flush-with-ground type sewage treating device according to claim 1 is characterized in that described equalizing tank gets the average water yield of 6-8 h, is provided with preaerator in the pond.
3. flush-with-ground type sewage treating device according to claim 1 is characterized in that described preliminary sedimentation tank adopts vertical sedimentation basin, and upflow velocity 0.2-0.4 mm/s, surface load are 1.2-1.8 m
3/ m
2H, water outlet flows automatically to anaerobic biofilter, and the mud of precipitation is carried to sludge sump with air.
4. flush-with-ground type sewage treating device according to claim 1 is characterized in that the length and width height of described anaerobic biofilter is respectively: 18 m, and 3 m, 4 m, filtrate volume and particle diameter of filter medium are respectively: 50 m
3, 35 mm filter the built on stilts thick biological filter bed of material of one 2.5 m in the anaerobic pond, and filtrate adopts haydite of uniform size.
5. flush-with-ground type sewage treating device according to claim 1 is characterized in that described aerobic bio-contact oxidation pond employing pulling flow type biological contact oxidation process, and is equipped with 3 D elastic filler.
6. flush-with-ground type sewage treating device according to claim 1 is characterized in that described second pond is 2 vertical sedimentation basin parallel runnings, and its surface load is 1-1.3 m
3/ m
2H, upflow velocity are that 0.1-0.15 mm/s spoil disposal is carried to sludge sump with air.
7. flush-with-ground type sewage treating device according to claim 1, the filtrate that it is characterized in that described sand filter is quartz sand, filtrate supporting layer 0.4 m, filter material layer 0.8 m, packed resin layer 0.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308081 CN202658053U (en) | 2012-06-28 | 2012-06-28 | Buried sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308081 CN202658053U (en) | 2012-06-28 | 2012-06-28 | Buried sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658053U true CN202658053U (en) | 2013-01-09 |
Family
ID=47452973
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220308081 Expired - Fee Related CN202658053U (en) | 2012-06-28 | 2012-06-28 | Buried sewage treatment device |
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|---|---|
| CN (1) | CN202658053U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718365A (en) * | 2012-06-28 | 2012-10-10 | 苏州科博思流体科技有限公司 | Buried sewage treatment device |
| CN103936224A (en) * | 2014-03-20 | 2014-07-23 | 宁波创蓝环境科技有限公司 | Intelligent sewage treatment equipment and its treatment method |
| CN104649511A (en) * | 2014-12-23 | 2015-05-27 | 安徽省天虹绿洲环保科技有限公司 | Rural domestic wastewater treatment process |
-
2012
- 2012-06-28 CN CN 201220308081 patent/CN202658053U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718365A (en) * | 2012-06-28 | 2012-10-10 | 苏州科博思流体科技有限公司 | Buried sewage treatment device |
| CN103936224A (en) * | 2014-03-20 | 2014-07-23 | 宁波创蓝环境科技有限公司 | Intelligent sewage treatment equipment and its treatment method |
| CN103936224B (en) * | 2014-03-20 | 2015-07-15 | 宁波创蓝环境科技有限公司 | Intelligent sewage treatment equipment and its treatment method |
| CN104649511A (en) * | 2014-12-23 | 2015-05-27 | 安徽省天虹绿洲环保科技有限公司 | Rural domestic wastewater treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |