CN101538085A - Structure of spiral-flow aeration sedimentation sewage treatment tank and using method thereof - Google Patents
Structure of spiral-flow aeration sedimentation sewage treatment tank and using method thereof Download PDFInfo
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- CN101538085A CN101538085A CN200810034801A CN200810034801A CN101538085A CN 101538085 A CN101538085 A CN 101538085A CN 200810034801 A CN200810034801 A CN 200810034801A CN 200810034801 A CN200810034801 A CN 200810034801A CN 101538085 A CN101538085 A CN 101538085A
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Abstract
The invention relates to a structure of a spiral-flow aeration sedimentation sewage treatment tank and a using method thereof to organically combine main technological processes of air flotation separation and biological treatment into a container, wherein the four corners or the periphery of the container are provided with a fixed water-raising aerating apparatus and the middle part of the container is provided with a floating water-raising aerating apparatus; the sewage at a bottom layer is aerated selectively, and the sewage in the container is aerated circularly and alternately at the same time; the water-raising aerating apparatus is formed by mounting a gapped combined aerator in a vertical pipe frame; the fixed water-raising aerating apparatus and the floating water-raising aerating apparatus can be used singly or together; the water-raising aerating apparatuses stir and mix the sewage in the container and make use of deep drainage to aerate the sewage circularly and alternately; after a period of time of aeration treatment, membrane holes under middle-layer membranes are opened, the clearances among the middle-layer membranes are furled, aerobic treatment is performed on the sewage above the middle-layer membrane, and anaerobic treatment is performed on the sewage below the middle-layer membrane; and the sewage and most of activated sludge after the treatment are discharged, and a new sewage treatment cycle is restarted.
Description
(1) technical field
The present invention relates to a kind of sewage and wastewater treatment equipment and using method, or rather, the present invention is treatment unit and the using method that is applicable to biological processes sewage and waste water under aerobic, anoxic and the anaerobic condition simultaneously.
(2) background technology
The complete mixing system of Round Sump sewage disposal the earliest is generally circular pond, the centre in pond is complete blended aeration biochemical district, the outside is water conservancy diversion district and settling region, mud backflow seam is arranged at the bottom, and this is a kind of mini-system, and its aeration zone Pollutant levels are suitable with the concentration of handling postprecipitation removal water, therefore the complete mixing system efficient of this Round Sump sewage disposal is low, weak effect, floor space is big, and popularizing value is low.
The composition of sewage treatment process such as existing conventional activated sludge process, biological contact oxidation process, oxidation ditch and equipment is comparatively complicated, the management expectancy height, and investment is big, the working cost height; In sewage work of samll cities and towns builds, occurred in recent years as: novel process forms such as compound active sludge organism membrane process, submerged biofilm technology, combination oxidation pond technology, integrative oxidation ditch process also lack corresponding treatment facility, existing sewage disposal technology is primarily aimed at large-scale wastewater treatment plant, be not suitable for the small sewage treatment plant construction of samll cities and towns and biotope, also be not suitable for the extending capacity reformation of existing sewage work.
The sewage biological process commonly used that contains biodegradable organic is handled, and learns in the waste disposal plant at traditional aeration and biological, and aerobic basin and settling tank separately are built on the ground, set pond depth of water 4-6 rice, so conventional apparatus needs bigger area, to move uneconomically, sewage treating efficiency is not high.Floating growth technique is that activated sludge process contains a floating growth method bio-reactor (being called the aeration tank under aerobic condition again) and a settling tank (often being called secondary sedimentation basins or second pond), pollutent is degraded by active sludge in the aeration tank or is adsorbed, mixed solution after the processing enters settling tank and carries out solid-liquid separation, supernatant flows out settling tank, the part activity sludge reflux is to the aeration tank, and part is activated sludge discharged further to be handled or dispose to sludge treating system.Active sludge is the fresh combatants of removing pollutent, the processing power of sewage disposal mixing system can improve with the raising of activated sludge concentration in the sewage disposal mixing system, but the increase of returned sluge flow has increased the hydraulic load of settling tank, also increased the total sludge quantity that enters settling tank, the floating solids concn of settling tank water outlet is raise, can cause entire treatment system cisco unity malfunction when serious.
Nutritive substances such as the nitrogen phosphorus in the sewage can be removed in bio-reactor, and under aerobic condition, microorganism can be converted into nitrate or nitrite with organonitrogen and ammonia nitrogen; Under anoxic or anaerobic condition, microorganism can be reduced into nitrogen with nitrate or nitrite; Under hypoxia, nitrification and denitrification can carry out in reactor simultaneously, and can tame away the bacterium of dephosphorization, reaches the purpose of dephosphorization.
(3) summary of the invention
Deficiency at the floating growth method bio-reactor of routine, the invention provides a kind of floating growth method bio-reactor that active sludge is refluxed in reactor, can improve microorganism concn and sewage treatment capacity in the bio-reactor, reduce the quantity of reflux operation of settling tank mud, thereby simplify the operation, save the energy, miniflow operation when the later stage cyclone sediment is handled, help the active sludge precipitation, improve the effluent quality of treatment tank.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method: the main processes of dissolved air flotation and biological treatment organically is combined in the container, four jiaos in container or install and fix formula water-raising aerating apparatus 14 all around, optionally to the bottom sewage aeration, make the little spin orientation of sewage in the container flow the aeration of cycle alternation simultaneously; The effluent cycle alternative aeration that the sewage lagoon separation structure 7 that 13 drainages of floatation type water-raising aerating apparatus are no more than the middle level is installed at container middle part by a certain percentage improves aeration intensity; Fixed water-raising aerating apparatus 14 is to be fixedly mounted in the vertical pipe frame by the combination aerator 4 that the space is arranged; Fixed and floatation type water-raising aerating apparatus can be used alone or in combination; Two kinds of water-raising aerating apparatus are mixed sewage directed rotation in container, and by deep drainage effluent cycle alternative aeration are reached towards broken active sludge group, and it is long-pending and do not stay the purpose at aeration dead angle with the sewage surface in contact to improve active sludge; After aeration is handled for some time, the drainage catheter intermediate openings 6 of middle level separation structure below 7 on drainage tube frame 5 walls opened, sewage lagoon separation structure 7 is drawn in to entad, only the sewage of sewage lagoon separation structure more than 7 is done aerobic treatment, simultaneously the sewage of sewage lagoon separation structure below 7 is done anaerobic treatment, reduce the mobile transfer of sewage and active sludge, promote the precipitation of active sludge; The sewage that the upper strata is handled well is discharged, discharge most of sedimentary active sludge and advanced treatment; Again advance sewage, begin the sewage treatment process of new one-period; Spiral-flow aeration sedimentation sewage treatment tank can also use by serial or parallel connection continuously.
This aeration tank is by adopting the structure and the assembling mode of novel aerator 4, increase new filler decoration form, improve the structure of aeration tank, thereby improve the waterpower fluidised form, form the shock action and the high return sludge ratio of biomembranous fixed action, novel aerator 4 by new packing, improve concentration of activated sludge and surface-area, improve aeration efficient; Aerator 4 subdivisions layout and combination simultaneously, convenient maintenance, transposing and maintenance are suitable for the small sewage treatment plant construction of samll cities and towns and biotope, also are suitable for the extending capacity reformation of existing sewage work.
The invention provides a kind of floating growth method bio-reactor that active sludge is refluxed in spiral-flow aeration sedimentation sewage treatment tank, can improve microorganism concn and sewage disposal performance in the bio-reactor, after handling to a certain degree, reduce the quantity of reflux operation of spiral-flow aeration sedimentation sewage treatment tank mud, can simplify the operation, the hydraulic load and the solid loading of save energy, reduction settling tank, miniflow operation when the later stage cyclone sediment is handled, help the active sludge precipitation, improve the effluent quality of treatment tank.
Spiral-flow aeration sedimentation sewage treatment tank of the present invention contains aerator and the water conservancy diversion sheet material that subdivision is arranged, treatment tank is separated to form the circulation passage 12 that hybrid reaction district 9, quiescent centre 10 and confession mixed solution circulate, this circulation passage makes the bottom of quiescent centre be connected with the mixing zone, in the mixing zone, pass through aerator aeration oxygenation and mixing, and produce the power of directed flow.In the mixing zone of treatment tank, pollutants in sewage is degraded under aerobic situation; Active sludge is 10 precipitations and concentrated in the quiescent centre; In the eddy flow district, the aerobic degradation of active sludge is handled pollutent; Processed sewage produces hydraulic hoist power in oxygenation of circulation passage aerator aeration and mixing, and the rotational flow of impelling sewage not stop is avoided the generation at aeration dead angle.The combination of the circulation passage that eddy flow district, aeration zone, mixing zone 11, quiescent centre and confession mixed solution circulate, make active sludge in spiral-flow aeration sedimentation sewage treatment tank, become the integral body of an internal recycle, be detained active sludge, improved concentration of activated sludge.The water conservancy diversion sheet material of water-raising aerating apparatus, parallel or spiral irrigation canals and ditches shape film filler 3 and clockwise or the water export that counterclockwise is provided with reduced the turbulent fluctuation degree of combined sewage, the energy that turbulent fluctuation is consumed changes the energy that impels drainage flow into, avoids producing in the spiral-flow aeration sedimentation sewage treatment tank aeration dead angle.Precipitation and spissated active sludge can be recycled in the passage continuous round-robin mixed solution and take back the mixing zone in the quiescent centre, under the effect of aerator towards broken active sludge, improve the surface-area of active sludge, improve processing power, after handling to a certain degree, closed portion or whole floatation type water-raising aerating apparatus reduce the velocity of flow that eddy flow is handled, enlarge the precipitation quiescent centre, promote the active sludge precipitate and separate.
Container of the present invention produces different zones, strengthens the nitration reaction of organic degraded and organonitrogen in the aerobic zone of routine; In low dissolved oxygen zone, remove organism, carry out the nitrification and denitrification reaction simultaneously, remove the nitrogen nutrition thing in the sewage; In the anoxybiotic zone, carry out denitrification, remove nitrate and nitrite.The present invention can also under anaerobic carry out the pre-treatment of high concentrated organic wastewater.When reality was used, several spiral-flow aeration sedimentation sewage treatment tanks can parallel connection also can be together in series and use continuously, produce better water treatment effect.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method organically are combined in the main processes of dissolved air flotation and biological treatment in the container, replace preliminary sedimentation tank, aeration tank, second pond and mud reflux in the biological treatment of conventional activated sludge method; The use that can run well of container depth 4-30 rice.
Four jiaos in the structure of spiral-flow aeration sedimentation sewage treatment tank and using method container or install and fix the formula water-raising aerating apparatus all around, it is 0.5-5.0 rice that aerator is installed depth of water scope, optionally to the bottom sewage aeration, effluent cycle in the container is flowed, alternative aeration, simultaneously aerator turbulent fluctuation power consumption is directed to and impels on the sewage directed flow, constraint sewage flow direction promotes the effect of mud mixing and biooxidation reactions.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method container middle part are installed the floatation type water-raising aerating apparatus by a certain percentage depth of water scope 0.5-5.0 rice are installed, the drainage degree of depth is no more than the effluent cycle alternative aeration of middle level separation structure, improves aeration and handles intensity.
The pump up water structure of aerator associated plant of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method comprises fenestral fabric, parallel construction, the aeration tube tangent plane of punching comprises rectangle, rhombus, trilateral and circular four kinds of forms, aeration tube is arranged in parallel within on the horizontal plane with the gap of 0.01-0.3 rice, be combined as the aerator associated plant unit of certain independence, will have the combination aerator in space to be fixedly mounted in the vertical pipe frame.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method are fixed can use use also capable of being combined separately with the floatation type water-raising aerating apparatus.
Two kinds of water-raising aerating apparatus of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method make sewage rotation mixing in the container, and effluent cycle alternative aeration is reached towards broken active sludge group by deep drainage, it is long-pending and do not stay the purpose at aeration dead angle with the sewage surface in contact to improve active sludge.
After the structure of spiral-flow aeration sedimentation sewage treatment tank and using method aeration are handled for some time, fenestra under the middle level barrier film on the drainage wall is opened, the middle level barrier film is drawn in to entad, only the sewage more than the barrier film of middle level is done aerobic treatment, simultaneously the sewage below the barrier film of middle level is done anaerobic treatment, reduce the mobile transfer of sewage and active sludge, promote the precipitation of active sludge.
The sewage that the structure of spiral-flow aeration sedimentation sewage treatment tank and using method are handled the upper strata well is discharged, and discharges most of sedimentary active sludge and advanced treatment; Again advance sewage, begin the sewage treatment process of new one-period.
Can also connect continuity or intermittence in parallel of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method spiral-flow aeration sedimentation sewage treatment tank carried out sewage disposal.
The present invention saves aeration time and aeration tank area significantly, and it is dark to increase the pond, cuts down the consumption of energy, and reduces sewage flow running link, and a pond is dual-purpose, and it is energy-conservation to save land.Can transform floating growth method bio-reactor of traditional Continuous Flow such as aeration tank easily, can enlarge the sewage disposal capacity of existing Sewage Plant with investment seldom.Present method and facility can be used for the reducing energy consumption of sewage work and the reducing energy consumption of fishery industrialized culture.
(4) description of drawings
The vertical tangent plane synoptic diagram of Fig. 1 spiral-flow aeration sedimentation sewage treatment tank
1 floating supporting structure; 2 thrust-augmenting nozzle frames; 3 water conservancy diversion irrigation canals and ditches separators; 4 aerator associated plants; 5 drainage tube frames; 6 drainage tube frame intermediate openings; 7 middle level separation structures; The 8 sewage lagoons bottom drainage mouth of pipe; 9 sewage lagoon hybrid reaction districts; 10 sewage lagoon settling regions; 11 sewage lagoon mixed aeration districts; 12 sewage lagoon drainage districts
The schematic top plan view of Fig. 2 spiral-flow aeration sedimentation sewage treatment tank
The 13 floatation types aerator that pumps up water; The 14 fixed aerators that pump up water
Fig. 3 aerator associated plant cell schematics
15 aerators; 16 airways; 17 inlet mouths; 18 spaces
Fig. 4 floatation type aerator synoptic diagram
1 floating supporting structure; 2 thrust-augmenting nozzle frames; 3 water conservancy diversion irrigation canals and ditches separators; 4 aerator associated plants; 5 drainage tube frames; 19 tenesmus devices
Fig. 5 thrust-augmenting nozzle frame and irrigation canals and ditches crosscut synoptic diagram
(5) embodiment
Deficiency at the floating growth method bio-reactor of routine, the invention provides a kind of floating growth method bio-reactor that active sludge is refluxed in reactor, can improve microorganism concn and sewage treatment capacity in the bio-reactor, reduce the quantity of reflux operation of settling tank mud, thereby simplify the operation, save the energy, miniflow operation when the later stage cyclone sediment is handled, help the active sludge precipitation, improve the effluent quality of treatment tank.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method: the main processes of dissolved air flotation and biological treatment organically is combined in the container, four jiaos in container or install and fix formula water-raising aerating apparatus 14 all around, optionally to the bottom sewage aeration, make the little spin orientation of sewage in the container flow the aeration of cycle alternation simultaneously; The effluent cycle alternative aeration that the sewage lagoon separation structure 7 that 13 drainages of floatation type water-raising aerating apparatus are no more than the middle level is installed at container middle part by a certain percentage improves aeration intensity; Fixed water-raising aerating apparatus 14 is to be fixedly mounted in the vertical pipe frame by the combination aerator 4 that the space is arranged; Fixed and floatation type water-raising aerating apparatus can be used alone or in combination; Two kinds of water-raising aerating apparatus are mixed sewage directed rotation in container, and by deep drainage effluent cycle alternative aeration are reached towards broken active sludge group, and it is long-pending and do not stay the purpose at aeration dead angle with the sewage surface in contact to improve active sludge; After aeration is handled for some time, the drainage catheter intermediate openings 6 of middle level separation structure below 7 on drainage tube frame 5 walls opened, sewage lagoon separation structure 7 is drawn in to entad, only the sewage of sewage lagoon separation structure more than 7 is done aerobic treatment, simultaneously the sewage of sewage lagoon separation structure below 7 is done anaerobic treatment, reduce the mobile transfer of sewage and active sludge, promote the precipitation of active sludge; The sewage that the upper strata is handled well is discharged, discharge most of sedimentary active sludge and advanced treatment; Again advance sewage, begin the sewage treatment process of new one-period; Spiral-flow aeration sedimentation sewage treatment tank can also use by serial or parallel connection continuously.
This aeration tank is by adopting the structure and the assembling mode of novel aerator 4, increase new filler decoration form, improve the structure of aeration tank, thereby improve the waterpower fluidised form, form the shock action and the high return sludge ratio of biomembranous fixed action, novel aerator 4 by new packing, improve concentration of activated sludge and surface-area, improve aeration efficient; Aerator 4 subdivisions layout and combination simultaneously, convenient maintenance, transposing and maintenance are suitable for the small sewage treatment plant construction of samll cities and towns and biotope, also are suitable for the extending capacity reformation of existing sewage work.
The invention provides a kind of floating growth method bio-reactor that active sludge is refluxed in spiral-flow aeration sedimentation sewage treatment tank, can improve microorganism concn and sewage disposal performance in the bio-reactor, after handling to a certain degree, reduce the quantity of reflux operation of spiral-flow aeration sedimentation sewage treatment tank mud, can simplify the operation, the hydraulic load and the solid loading of save energy, reduction settling tank, miniflow operation when the later stage cyclone sediment is handled, help the active sludge precipitation, improve the effluent quality of treatment tank.
Spiral-flow aeration sedimentation sewage treatment tank of the present invention contains aerator and the water conservancy diversion sheet material that subdivision is arranged, treatment tank is separated to form the circulation passage 12 that hybrid reaction district 9, quiescent centre 10 and confession mixed solution circulate, this circulation passage makes the bottom of quiescent centre be connected with the mixing zone, in the mixing zone, pass through aerator aeration oxygenation and mixing, and produce the power of directed flow.In the mixing zone of treatment tank, pollutants in sewage is degraded under aerobic situation; Active sludge is 10 precipitations and concentrated in the quiescent centre; In the eddy flow district, the aerobic degradation of active sludge is handled pollutent; Processed sewage produces hydraulic hoist power in oxygenation of circulation passage aerator aeration and mixing, and the rotational flow of impelling sewage not stop is avoided the generation at aeration dead angle.The combination of the circulation passage that eddy flow district, aeration zone, mixing zone 11, quiescent centre and confession mixed solution circulate, make active sludge in spiral-flow aeration sedimentation sewage treatment tank, become the integral body of an internal recycle, be detained active sludge, improved concentration of activated sludge.The water conservancy diversion sheet material of water-raising aerating apparatus, parallel or spiral irrigation canals and ditches shape film filler 3 and clockwise or the water export that counterclockwise is provided with reduced the turbulent fluctuation degree of combined sewage, the energy that turbulent fluctuation is consumed changes the energy that impels drainage flow into, avoids producing in the spiral-flow aeration sedimentation sewage treatment tank aeration dead angle.Precipitation and spissated active sludge can be recycled in the passage continuous round-robin mixed solution and take back the mixing zone in the quiescent centre, under the effect of aerator towards broken active sludge, improve the surface-area of active sludge, improve processing power, after handling to a certain degree, closed portion or whole floatation type water-raising aerating apparatus reduce the velocity of flow that eddy flow is handled, enlarge the precipitation quiescent centre, promote the active sludge precipitate and separate.
Container of the present invention produces different zones, strengthens the nitration reaction of organic degraded and organonitrogen in the aerobic zone of routine; In low dissolved oxygen zone, remove organism, carry out the nitrification and denitrification reaction simultaneously, remove the nitrogen nutrition thing in the sewage; In the anoxybiotic zone, carry out denitrification, remove nitrate and nitrite.The present invention can also under anaerobic carry out the pre-treatment of high concentrated organic wastewater.When reality was used, several spiral-flow aeration sedimentation sewage treatment tanks can parallel connection also can be together in series and use continuously, produce better water treatment effect.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method organically are combined in the main processes of dissolved air flotation and biological treatment in the container, replace preliminary sedimentation tank, aeration tank, second pond and mud reflux in the biological treatment of conventional activated sludge method; The use that can run well of container depth 4-30 rice.
Four jiaos in the structure of spiral-flow aeration sedimentation sewage treatment tank and using method container or install and fix the formula water-raising aerating apparatus all around, it is 0.5-5.0 rice that aerator is installed depth of water scope, optionally to the bottom sewage aeration, effluent cycle in the container is flowed, alternative aeration, simultaneously aerator turbulent fluctuation power consumption is directed to and impels on the sewage directed flow, constraint sewage flow direction promotes the effect of mud mixing and biooxidation reactions.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method container middle part are installed the floatation type water-raising aerating apparatus by a certain percentage depth of water scope 0.5-5.0 rice are installed, the drainage degree of depth is no more than the effluent cycle alternative aeration of middle level separation structure, improves aeration and handles intensity.
The pump up water structure of aerator associated plant of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method comprises fenestral fabric, parallel construction, the aeration tube tangent plane of punching comprises rectangle, rhombus, trilateral and circular four kinds of forms, aeration tube is arranged in parallel within on the horizontal plane with the gap of 0.01-0.3 rice, be combined as the aerator associated plant unit of certain independence, will have the combination aerator in space to be fixedly mounted in the vertical pipe frame.
The structure of spiral-flow aeration sedimentation sewage treatment tank and using method are fixed can use use also capable of being combined separately with the floatation type water-raising aerating apparatus.
Two kinds of water-raising aerating apparatus of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method make sewage rotation mixing in the container, and effluent cycle alternative aeration is reached towards broken active sludge group by deep drainage, it is long-pending and do not stay the purpose at aeration dead angle with the sewage surface in contact to improve active sludge.
After the structure of spiral-flow aeration sedimentation sewage treatment tank and using method aeration are handled for some time, fenestra under the middle level barrier film on the drainage wall is opened, the middle level barrier film is drawn in to entad, only the sewage more than the barrier film of middle level is done aerobic treatment, simultaneously the sewage below the barrier film of middle level is done anaerobic treatment, reduce the mobile transfer of sewage and active sludge, promote the precipitation of active sludge.
The sewage that the structure of spiral-flow aeration sedimentation sewage treatment tank and using method are handled the upper strata well is discharged, and discharges most of sedimentary active sludge and advanced treatment; Again advance sewage, begin the sewage treatment process of new one-period.
Can also connect continuity or intermittence in parallel of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method spiral-flow aeration sedimentation sewage treatment tank carried out sewage disposal.
The present invention saves aeration time and aeration tank area significantly, and it is dark to increase the pond, cuts down the consumption of energy, and reduces sewage flow running link, and a pond is dual-purpose, and it is energy-conservation to save land.Can transform floating growth method bio-reactor of traditional Continuous Flow such as aeration tank easily, can enlarge the sewage disposal capacity of existing Sewage Plant with investment seldom.Present method and facility can be used for the reducing energy consumption of sewage work and the reducing energy consumption of fishery industrialized culture.
Claims (10)
1. the structure of spiral-flow aeration sedimentation sewage treatment tank and using method: the main processes of dissolved air flotation and biological treatment organically is combined in the container, four jiaos in container or install and fix the formula water-raising aerating apparatus all around, optionally, make the effluent cycle alternative aeration in the container simultaneously to the bottom sewage aeration; The container middle part is installed the floatation type water-raising aerating apparatus drainage degree of depth by a certain percentage and is no more than middle level membranous effluent cycle alternative aeration; Water-raising aerating apparatus is to be fixedly mounted in the vertical pipe frame by the combination aerator that the space is arranged; Fixed and floatation type water-raising aerating apparatus can be used alone or in combination; Two kinds of water-raising aerating apparatus make that the sewage rotation mixes in the container, and by deep drainage effluent cycle alternative aeration are reached towards broken active sludge group, and it is long-pending and do not stay the purpose at aeration dead angle with the sewage surface in contact to improve active sludge; After aeration is handled for some time, fenestra under the middle level barrier film on the drainage wall is opened, the middle level barrier film is drawn in to entad, only the sewage more than the barrier film of middle level is done aerobic treatment, simultaneously the sewage below the barrier film of middle level is done anaerobic treatment, reduce the mobile transfer of sewage and active sludge, promote the precipitation of active sludge; The sewage that the upper strata is handled well is discharged, discharge most of sedimentary active sludge and advanced treatment; Again advance sewage, begin the sewage treatment process of new one-period; Spiral-flow aeration sedimentation sewage treatment tank can also use by serial or parallel connection continuously.The present invention saves aeration time and aeration tank area significantly, and it is dark to increase the pond, cuts down the consumption of energy, and reduces sewage flow running link, and a pond is dual-purpose, and it is energy-conservation to save land.Can transform floating growth method bio-reactor of traditional Continuous Flow such as aeration tank easily, can enlarge the sewage disposal capacity of existing Sewage Plant with investment seldom.Present method and facility can be used for the reducing energy consumption of sewage work and the reducing energy consumption of fishery industrialized culture.
2. according to claim 1: the structure of spiral-flow aeration sedimentation sewage treatment tank and using method organically are combined in the main processes of dissolved air flotation and biological treatment in the container, replace preliminary sedimentation tank, aeration tank, second pond and mud reflux in the biological treatment of conventional activated sludge method; The use that can run well of container depth 4-30 rice.
3. according to claim 1: four jiaos in the structure of spiral-flow aeration sedimentation sewage treatment tank and using method container or install and fix the formula water-raising aerating apparatus all around, optionally to the bottom sewage aeration, make the effluent cycle alternative aeration in the container simultaneously, play simultaneously and change the sewage flow direction, the effect of mixing of promotion mud and biooxidation reactions.
4. according to claim 1: the structure of spiral-flow aeration sedimentation sewage treatment tank and using method container middle part are installed the floatation type water-raising aerating apparatus drainage degree of depth by a certain percentage and are no more than middle level membranous effluent cycle alternative aeration.
5. according to claim 1: the structure of spiral-flow aeration sedimentation sewage treatment tank and using method water-raising aerating apparatus are to be fixedly mounted in the vertical pipe frame by the combination aerator that the space is arranged.
6. according to claim 1: the structure of spiral-flow aeration sedimentation sewage treatment tank and using method are fixed can use use also capable of being combined separately with the floatation type water-raising aerating apparatus.
7. according to claim 1: two kinds of water-raising aerating apparatus of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method make sewage rotation mixing in the container, and effluent cycle alternative aeration is reached towards broken active sludge group by deep drainage, it is long-pending and do not stay the purpose at aeration dead angle with the sewage surface in contact to improve active sludge.
8. it is according to claim 1: after the structure of spiral-flow aeration sedimentation sewage treatment tank and using method aeration are handled for some time, fenestra under the middle level barrier film on the drainage wall is opened, the middle level barrier film is drawn in to entad, only the sewage more than the barrier film of middle level is done aerobic treatment, simultaneously the sewage below the barrier film of middle level is done anaerobic treatment, reduce the mobile transfer of sewage and active sludge, promote the precipitation of active sludge.
9. according to claim 1: the sewage that the structure of spiral-flow aeration sedimentation sewage treatment tank and using method are handled the upper strata well is discharged, and discharges most of sedimentary active sludge and advanced treatment; Again advance sewage, begin the sewage treatment process of new one-period.
10. according to claim 1: can also connect continuity or intermittence in parallel of the structure of spiral-flow aeration sedimentation sewage treatment tank and using method spiral-flow aeration sedimentation sewage treatment tank carried out sewage disposal.
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| CN200810034801A CN101538085A (en) | 2008-03-19 | 2008-03-19 | Structure of spiral-flow aeration sedimentation sewage treatment tank and using method thereof |
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| CN200810034801A CN101538085A (en) | 2008-03-19 | 2008-03-19 | Structure of spiral-flow aeration sedimentation sewage treatment tank and using method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557256A (en) * | 2012-01-10 | 2012-07-11 | 深圳市市政设计研究院有限公司 | Primary settling tank-transformed biological alternating tank structure and sewage treatment method of primary settling tank |
| CN105600968A (en) * | 2016-03-14 | 2016-05-25 | 江苏江达生态科技有限公司 | Natural style polluted water oxygenating and settling tank |
| CN106365301A (en) * | 2016-10-25 | 2017-02-01 | 湖北飞歌科技有限公司 | Track ditch aeration sedimentation tank |
| CN111439829A (en) * | 2020-04-21 | 2020-07-24 | 黄建华 | Sewage purification tank and sewage purification method |
-
2008
- 2008-03-19 CN CN200810034801A patent/CN101538085A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557256A (en) * | 2012-01-10 | 2012-07-11 | 深圳市市政设计研究院有限公司 | Primary settling tank-transformed biological alternating tank structure and sewage treatment method of primary settling tank |
| CN105600968A (en) * | 2016-03-14 | 2016-05-25 | 江苏江达生态科技有限公司 | Natural style polluted water oxygenating and settling tank |
| CN106365301A (en) * | 2016-10-25 | 2017-02-01 | 湖北飞歌科技有限公司 | Track ditch aeration sedimentation tank |
| CN111439829A (en) * | 2020-04-21 | 2020-07-24 | 黄建华 | Sewage purification tank and sewage purification method |
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Application publication date: 20090923 |