CN202610070U - Integration sanitary sewage treatment device - Google Patents
Integration sanitary sewage treatment device Download PDFInfo
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- CN202610070U CN202610070U CN 201220069323 CN201220069323U CN202610070U CN 202610070 U CN202610070 U CN 202610070U CN 201220069323 CN201220069323 CN 201220069323 CN 201220069323 U CN201220069323 U CN 201220069323U CN 202610070 U CN202610070 U CN 202610070U
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- sewage treatment
- settling region
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- aerobic zone
- sewage
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Abstract
The utility model relates to an integration sanitary sewage treatment device which comprises a settling zone arranged in the middle, an aerobic zone which is arranged on the outer side of the settling zone and an anoxic zone. The anoxic zone is placed on the lower portion of the outer side of the settling zone; an anoxic pool, an aerobic pool and a settling pool are integrated in a combined pool, each pool is independent in space and achieves different functions which can be combined effectively, and separation of nitrogen and phosphorus removal in time and space is achieved. The integration sanitary sewage treatment device has the advantages of being small in occupied space, investment-saving, stable in operation, low in surplus sludge output, good in dehydration performance, easy to operate, simple to restart and the like. And the device is suitable for sanitary sewage treatment in a small town and a village.
Description
Technical field
The utility model belongs to water-treatment technology field, relates to a kind of sewage treatment unit, particularly a kind of integrated sewage treating apparatus that is applicable to the sanitary sewage disposal in samll cities and towns and rural area.
Background technology
It is reported that present national samll cities and towns and rural area have the sewage that surpasses 2,500 ten thousand tons directly to discharge every year, cause river, pool to pollute, and influence villager's living environment, the serious threat peasant's is healthy.House and town and country construction portion " village human settlement's present situation and problem " report of survey; The village's door-to-door survey of going into to representative 74 villages, 43 counties of 9 provinces of China shows; 96% village does not have discharge conduit and Sewage treatment systems, and productive life sewage arbitrarily discharges.Enter various water bodys owing to a large amount of sewages in rural area are unprocessed; Add that communal facility does not catch up with the needs of development; Many waterhead areas, ecological preservation area, scenic spot are all in the Rural areas simultaneously, and the water surrounding of therefore improving the Rural areas just seems most important.
Compare with the city, samll cities and towns and rural area because have a poor foundation, the basis is poor, infrastructure construction is very backward, the human settlement is poor, environmental safety hidden danger and problem are given prominence to.Solve the waste water control problem in samll cities and towns and rural area; Improve environmental sanitation; Be the target and one of requirement of the new samll cities and towns of socialism (rural area) construction of Party Central Committee's proposition; And the improvement of samll cities and towns (rural area) sewage then is the important content of environmental pollution regulation, so samll cities and towns (rural area) sewage handling problem needs to be resolved hurrily.
Samll cities and towns (rural area) sewage mainly contains three kinds of tupes at present: the firstth, insert cities and towns city planting ductwork Unified Treatment pattern; Be in the village all peasant household's sewage after the sewer line centralized collection; The unified vicinity municipal wastewater pipe network that inserts utilizes urban wastewater treatment firm Unified Treatment village sewage, and this kind tupe can utilize existing sewage treatment facility preferably; But problems such as sewage collecting pipeline cost is too high, and utilization ratio is low are built in existence.Next is the pattern of focusing on; Promptly the sewage of all residents' generations carries out centralized collection, concentrates and builds the whole sewage in treatment facility processing village, and this kind tupe needs newly-built large-scale sewage treatment facility; Exist construction investment big, problems such as operation expense height.The 3rd is the dispersion treatment pattern, is about to peasant household's sewage and collects according to subregion, is advisable each regional sewage individual curing uniting of village with big slightly village or vicinity.After the sewage burst is collected, adopt form processing village sewage such as ecotypic Small Sewage Treatment Equipment, this kind tupe can be collected sewage nearby and handle nearby, and cost of investment is little, and running maintenance is convenient, and the reusing sewage after realizing preferably handling.
Consider that samll cities and towns' WWT scale is less, characteristics such as water quantity and quality less stable are if adopt traditional technology; Like A2/O, cyclic activated sludge system is then had a few the suspicion of " big ox draw dolly "; Invest somewhat too highly, running cost is not low yet, and is difficult to guarantee the efficient operation of treatment facility; Can't meeting the market requirement, therefore, it is necessary to need to seek a kind of feasible treatment technology based on samll cities and towns' Sewage Plant.
Samll cities and towns (rural area) sewage disposal technology mainly contains at present: unpowered multistage anaerobism complex ecological treatment system, sewage purifier, anaerobism-artificial swamp combined treatment technology, stabilization pond etc.; But above technology all exist treatment facility take up an area of big, technology is more single, the problem that can not handle flexibly according to the variation of the water yield and water quality.
The utility model content
The utility model provides a kind of sewage treatment unit, and particularly a kind of integrated sewage treating apparatus that is applicable to the sanitary sewage disposal in samll cities and towns and rural area makes the bigger characteristics of the sewage water yield, variation water quality in its suitable samll cities and towns and rural area.
From saving the area and the little practical situation of treatment scale,, it can be moved by efficient stable in order to improve the capacity of resisting impact load of treatment unit; The utility model is integrated in anoxic pond, Aerobic Pond and settling tank in the compound A/O combination pond, the anoxic pond that plays biologica denitrification, the Aerobic Pond that carries out carbonization, nitration reaction built jointly with the settling tank that carries out mud-water separation, and be a big combination pond in shape; But anoxic pond, Aerobic Pond, settling tank are spatially relatively independent; Accomplish different functions respectively, effectively combine again, not only effectively denitrogenation but also cut down the consumption of energy; The excess sludge generation is few; Dewatering is good, and easy and simple to handle, starts advantages such as easy once more.
Treatment unit in the utility model adopts following structure, comprises the settling region 3 that is positioned at central authorities and the aerobic zone 1 and oxygen-starved area 2 that are positioned at the outside, settling region, and oxygen-starved area 2 is positioned at the bottom in 3 outsides, settling region; It links to each other with water inlet manifold 9 with the second water inlet arm 9-4 through the second inlet valve 9-2, and aerobic zone is positioned at the top in the outside, settling region, and it links to each other with water inlet manifold with the first water inlet arm 9-3 through the first inlet valve 9-1; Communicate through first pipe 10 between oxygen-starved area and the aerobic zone, the central authorities of settling region are provided with the nested guide shell of forming 18 with urceolus 18-B by inner core 18-A, are provided with axial flow thruster 4 among the inner core 18-A; Inner core communicated with aerobic zone through second pipe 11; The urceolus lower ending opening of guide shell enlarges gradually, and the sectional area between itself and the inner core is increased gradually, and the upper periphery of settling region sets out pool 15; Bottom central is provided with mud collection area 19; Also be provided with sludge discharging area 6 between settling region and the aerobic zone, be provided with sludge pump 5 in the sludge discharging area, mud collection area communicates with sludge discharging area through third connecting pipe 13; Aerobic zone adopts the mode oxygen supply of aeration, and the bottom of aerobic zone is provided with aerator 17.
The treatment unit of the utility model also is provided with dosing tank 7 and dosing pump 8, and the import of dosing pump links to each other with dosing tank, and the chemical agent that is used for dephosphorization is housed in the dosing tank, and such as aluminium salt, molysite, lime etc., the dosing pump outlet links to each other with the top of guide shell.
Oxygen-starved area in the treatment unit of the utility model, aerobic zone and settling region carry out different reactions respectively; In the oxygen-starved area, mainly carry out the anti-nitration reaction denitrogenation; In aerobic zone, mainly be prone to removal and the nitration reaction of the organic pollutant BOD5 of biochemical degradation; In the settling region, mainly carry out the reaction and the mud-water separation of chemical dephosphorization; Therefore in the integral life sewage treatment unit of the utility model, can carry out four reactions such as carburizing reagent, nitration reaction, adsorption and dephosphorization reaction of anti-nitration reaction, degradation of organic substances, the realization synchronous denitrification dephosphorizing of stability and high efficiency.The volumetric ratio of oxygen-starved area, aerobic zone and settling region can require to adjust according to influent quality and water outlet, and preferred three's volumetric ratio is 3 ~ 5:6 ~ 8:2 ~ 5, more preferably 4:7:3.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
The vertical view of Fig. 1 integral life sewage treatment unit; And
Fig. 2 is the side-view of integral life sewage treatment unit A-A section among Fig. 1
Among the figure: 1. 4. axial flow thrusters, 5. sludge pumps, 6. sludge discharging area, 7. dosing tanks, 8. dosing pumps, 9. water inlet manifold 9-1., the first inlet valve 9-2., the second inlet valve 9-3, first water inlet of 3. settling regions, annular aerobic zone 2. annular oxygen-starved areas is in charge of 9-4. second water inlet and is in charge of 11. second pipe of 10. first pipe, 12. rising pipes, 13. third connecting pipes, 14. shore pipes, 15 exhalant regions, 16 inlet pipe, 17. aerators, 18. guide shell 18-A. inner core 18-B urceolus
Principle of work below in conjunction with description of drawings the utility model.
Embodiment
Referring to accompanying drawing 1,2, the dispersive sewage gets into treatment unit through collecting the back through water inlet manifold 9.When amount of inlet water and Pollutant levels were in normal level, lower such as ammonia nitrogen in the sewage and total nitrogen concentration, principal pollutant were for being prone to the organic pollutant BOD of biochemical degradation
5The time, to open the first inlet valve 9-1 and close the second inlet valve 9-2, sewage is in charge of 9-3 through first water inlet and is entered into annular aerobic zone 1 and carry out aerobic treatment.In annular aerobic zone 1, air is diffused in the sewage behind the aerator 17 of inlet pipe 16 and aerobic zone bottom and mixes, and the ammonia nitrogen in the oxidation sewage, BOD
5Deng pollutent, accomplish aerobic treatment.Mixed solution after the processing precipitates through second pipe 11 flowing to settling region 3.The centre of settling region is provided with guide shell 18; This guide shell is made up of mutually nested inner core 18-A and urceolus 18-B; Axial flow thruster 4 is installed in the inner core, and the mixed solution in the aerobic zone flows under the effect of axial flow thruster 4 after second pipe 11 entered into inner core from bottom to top.Water treatment agent case 7 and dosing pump 8 are installed at the guide shell top, in mixed solution, add the medicament of chemical dephosphorization.From inner core, flow out the back mixed solution and after accomplishing dosing, get into urceolus, and from up to down flow.The bottom of urceolus can be made into the horn-like of gradual change, increases the sectional area between the inner/outer tube, reduces flow velocity, helps that mixed solution and dephosphorization medicament fully flocculate, sedimentation.Abundant reacted mixed solution gets into the bottom, settling region and carries out mud-water separation.Supernatant is drained by rising pipe 12 after the overflow weir on top, settling region gets into exhalant region 15; After separating the mud collection area 19 of the bottom, mud entering settling region that obtains; Suction function through sludge pump 5 enters into sludge discharging area 6 through third connecting pipe 13; And pass through shore pipe 14 by sludge pump 5 and discharge treatment unit, realize the dephosphorization target.When amount of inlet water and Pollutant levels are bigger, when especially ammonia nitrogen and total nitrogen concentration were higher in the sewage, the utility model can increase an anaerobic treatment step in the normal handling flow process.Promptly through opening the second inlet valve 9-2; Close the first inlet valve 9-1; Sewage is in charge of 9-4 through second water inlet and is entered into annular oxygen-starved area 2 and carry out anoxic denitrification and handle; Sewage after the processing carries out aerobic treatment through entering into annular aerobic zone 1 first pipe 10 again, and the precipitate and separate after carrying out.
The integral life sewage treatment unit of the utility model have take up an area of less, operation energy consumption is lower, processing mode is flexible and efficient, the excess sludge generation is few, dewatering is good, and easy and simple to handle, starts advantages such as easy once more.Because of its less investment, practice thrift the soil, be easy to management, be particularly suitable for samll cities and towns and rural area processing sewage.Below be at the comparative result aspect occupation of land and the investment with the integrated compound A/O combination pond of the utility model and other samll cities and towns' sewage treatment facilities commonly used.
The domestic sewage in rural areas by using treatment process that table 1 is commonly used takes up an area of and investment contrast table *
*Annotate: the foundation that this contrast table calculates: the WWT scale is 6000m
3/ d; Floor space is only calculated main body facility (comprising Aerobic Pond, anoxic pond, anaerobic pond, second pond); Do not calculate occupations of land such as thick, fine fack, Ventilator Room, office building; The construction investment that main body facility is only calculated in construction investment adds utility appliance and materials such as supporting process pipeline, reflux pump, impeller, filler, does not comprise land expropriation cost.
Claims (4)
1. integral life sewage treatment unit; It is characterized in that: comprise the aerobic zone (1) and oxygen-starved area (2) that are positioned at central settling region (3) and are positioned at the outside, settling region; Oxygen-starved area (2) is positioned at the bottom in the outside, settling region (3), and it links to each other with water inlet manifold (9) with the second water inlet arm (9-4) through second inlet valve (9-2), and aerobic zone (1) is positioned at the top in the outside, settling region (3); It links to each other with water inlet manifold with the first water inlet arm (9-3) through first inlet valve (9-1); Communicate through first pipe (10) between oxygen-starved area (2) and the aerobic zone (1), the central authorities of settling region are provided with by inner core (18-A) and the nested guide shell of forming of urceolus (18-B) (18), are provided with axial flow thruster (4) in the inner core (18-A); Inner core (18-A) communicated with aerobic zone (1) through second pipe (11); The upper periphery of settling region sets out pool (15), and bottom central is provided with mud collection area (19), also is provided with sludge discharging area (6) between settling region (3) and the aerobic zone (1); Mud collection area (19) communicates with sludge discharging area (6) through third connecting pipe (13), is provided with sludge pump (5) in the sludge discharging area (6).
2. a kind of integral life sewage treatment unit as claimed in claim 1 is characterized in that the bottom of aerobic zone is provided with aerator (17).
3. a kind of integral life sewage treatment unit as claimed in claim 1 is characterized in that also being provided with dosing tank (7) and dosing pump (8), and the outlet of dosing pump (8) links to each other with the top of guide shell (18).
4. a kind of integral life sewage treatment unit as claimed in claim 1 is characterized in that urceolus (18-B) lower ending opening of guide shell enlarges gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220069323 CN202610070U (en) | 2012-02-28 | 2012-02-28 | Integration sanitary sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220069323 CN202610070U (en) | 2012-02-28 | 2012-02-28 | Integration sanitary sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202610070U true CN202610070U (en) | 2012-12-19 |
Family
ID=47343785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220069323 Expired - Lifetime CN202610070U (en) | 2012-02-28 | 2012-02-28 | Integration sanitary sewage treatment device |
Country Status (1)
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| CN (1) | CN202610070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927640A (en) * | 2017-04-25 | 2017-07-07 | 南京沣源皇埔环境工程有限公司 | Biochemistry pool group, sewage-treatment plant and sewage water treatment method |
| CN107473372A (en) * | 2017-08-30 | 2017-12-15 | 沈阳建筑大学 | A kind of novel double-layer structure oxidation ditch |
| CN109264858A (en) * | 2018-11-30 | 2019-01-25 | 周连奎 | A kind of biological sewage treatment device |
-
2012
- 2012-02-28 CN CN 201220069323 patent/CN202610070U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927640A (en) * | 2017-04-25 | 2017-07-07 | 南京沣源皇埔环境工程有限公司 | Biochemistry pool group, sewage-treatment plant and sewage water treatment method |
| CN106927640B (en) * | 2017-04-25 | 2020-04-17 | 北京市惠全成环境治理工程有限责任公司 | Sewage treatment method |
| CN107473372A (en) * | 2017-08-30 | 2017-12-15 | 沈阳建筑大学 | A kind of novel double-layer structure oxidation ditch |
| CN107473372B (en) * | 2017-08-30 | 2020-10-30 | 沈阳建筑大学 | Double-layer structure oxidation ditch |
| CN109264858A (en) * | 2018-11-30 | 2019-01-25 | 周连奎 | A kind of biological sewage treatment device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |
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| CX01 | Expiry of patent term |