CN105502661B - A kind of italic formula oxidation ditch - Google Patents

A kind of italic formula oxidation ditch Download PDF

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Publication number
CN105502661B
CN105502661B CN201610072217.2A CN201610072217A CN105502661B CN 105502661 B CN105502661 B CN 105502661B CN 201610072217 A CN201610072217 A CN 201610072217A CN 105502661 B CN105502661 B CN 105502661B
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pond
overflow weir
oxidation ditch
sludge
anoxic pond
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CN105502661A (en
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杨宗政
林玉科
胡钰彬
董春霞
张健
高雄
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Tianjin University of Science and Technology
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/308—Biological phosphorus removal
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The present invention discloses a kind of italic formula oxidation ditch, which specifically includes that the aerobic tank being sequentially connected in series, oxygen compatibility pool, anaerobic pond, anoxic pond, secondary settling tank and clear water reserviors；The italic formula oxidation ditch, by three circular arc type training walls, three linear type training walls, fixed overflow weir mobile overflow weir with together with is classified as aerobic tank, oxygen compatibility pool, anaerobic pond, anoxic pond, secondary settling tank and clear water reserviors together；The aerobic tank, oxygen compatibility pool, anaerobic pond and anoxic pond bottom two rotating brush type aerators are installed；The italic formula oxidation ditch bottom is equipped with dismountable support column.The italic formula oxidation ditch uses integrated design, flexible and convenient to use, can be widely used for the processing of the sanitary sewage of small water.

Description

A kind of italic formula oxidation ditch
Technical field
The invention belongs to environmental project technical field of waste water processing, specifically a kind of italic formula oxidation ditch.
Background technique
Since water resource is increasingly in short supply, solution point source, pollution of area source become the theme of water environment protection, especially disperse And the small water pollution sources collected are difficult to, there is an urgent need to mobile processing units to handle it.In waste water treatment system In, activated sludge process occupies indispensable critical role, and oxidation ditch process is the most important place of current biological wastewater treatment One of science and engineering skill.
Oxidation ditch process is that a kind of sewage does shuttling movement in the trench, is aerated by aeration rotary brush or turntable Activated sludge process.Oxidation ditch process sludge loading is low, and circular flow is big, and capacity of resisting impact load is strong, and process is simple, maintenance is managed The advantages that reason is convenient, treatment effect is stable, operating cost is low, can not set primary sedimentation tank and sludge digestion tank, is two to enjoy great popularity Grade treatment process.Meanwhile by the practical exploration of decades, oxidation ditch process is considered as that effluent quality is good, the most economical Biologic treating technique.But the aeration mode of traditional oxidation ditch process is single, takes up a large area, oxygen-transfer efficiency is low, effective water The disadvantages of depth, spoil disposal is unsmooth, sludge bulking limits the application and development of oxidation ditch process.
Therefore, a kind of low energy consumption, efficient oxidation ditch process are researched and developed, there is far-reaching important meaning.
Summary of the invention
It is an object of the invention to overcome spoil disposal unsmooth, sludge is easily settled, and in irrigation canals and ditches, available depth is small, and denitrification effect is not Good, the deficiency for the technologies such as sludge bulking and occupation area of equipment are big provides a kind of italic formula oxidation ditch.
The technical solution for solving above-mentioned technical problem is:
A kind of italic formula oxidation ditch, specifically includes that the aerobic tank being sequentially connected in series, oxygen compatibility pool, anaerobic pond, anoxic pond, Secondary settling tank and clear water reserviors；The aerobic tank, oxygen compatibility pool, anaerobic pond, anoxic pond, secondary settling tank and clear water reserviors build into italic formula oxygen jointly Change ditch.
The italic formula oxidation ditch passes through three circular arc type training walls, three linear type training walls, fixed overflow together Weir mobile overflow weir with together with is classified as aerobic tank, oxygen compatibility pool, anaerobic pond, anoxic pond, secondary settling tank and clear water reserviors；It is aerobic Pond, oxygen compatibility pool, anaerobic pond, anoxic pond, secondary settling tank and clear water reserviors are installed on same inclined floor, and the reliable gravity of sewage is made It flow to clear water reserviors certainly with from aerobic tank.
The italic formula oxidation ditch, aerobic tank, oxygen compatibility pool, anaerobic pond and anoxic pond bottom two brush aerations are installed The controller of machine, two rotating brush type aerators is installed opposite to each other, and turning brush mixes well sludge and sewage, the rotating brush type aerator blow rate required It controls oxygen in water (DO)；The one section of brush aeration pipe aeration for turning brush controller recently of two rotating brush type aerators, thereafter The aeration seal of tube is not aerated；Two rotating brush type aerators operate in opposite directions, and revolving speed keeps different, to increase the mass transfer resistance of water flow Power makes sludge be not easy to precipitate and is sufficiently stirred；Two in due course alternative aerations of rotating brush type aerator, and aeration quantity is accordingly controlled, A can be achieved2/ O and inversion A2The alternate run of/O two-mode occurs sludge bulking phenomenon to reduce, and reaches denitrogenation dephosphorizing simultaneously Effect.
Twice overflow weir is arranged in the italic formula oxidation ditch, anoxic pond end；The overflow weir farthest apart from anoxic pond end For fixed overflow weir, another road overflow weir is mobile overflow weir, the fixed more mobile overflow weir of height of weir plate it is low； The pond of anoxic pond end is divided into secondary settling tank and clear water reserviors by fixed overflow weir and mobile overflow weir；Secondary clarifier effluent stream Enter clear water reserviors through fixed overflow weir, the water outlet after secondary settling tank is stood, suspended material (SS) can greatly reduce in water.
The italic formula oxidation ditch, mobile overflow weir are alternatively referred to as detachable overflow weir, i.e., set in its installation site The groove of certain depth is set, then preprepared overflow weir is installed；According to sewage treatment load, different height is installed Overflow weir can deepen the available depth of equipment, and the hydraulic detention time of sewage is appropriately extended.
The italic formula oxidation ditch, anoxic pond sludge pipe, sludge from final clarifier pipe and clear water reserviors drainpipe are installed in its bottom Portion relies primarily on the effect of inclined floor bring gravity stream, so that spoil disposal is smooth, draining is smooth, and reduces mechanical energy consumption.
The sludge from final clarifier pipe connects sludge pump with anoxic pond sludge pipe, when needing sludge reflux, opens sludge pump, will Its muddy water is back to aerobic tank.
The italic formula oxidation ditch, bottom plate are equipped with support column；Support column is foldable to be packed up.
Using the sewage water treatment method of the italic formula oxidation ditch, the steps include:
(1) sewage is entered in italic formula oxidation ditch by water inlet pipe, and under the stirring of rotating brush type aerator, muddy water is mixed well；
(2) under the gravity stream of inclined floor and the motive force collective effect of rotating brush type aerator, handle sewage with before this by Left-to-right, then from top to bottom the mode of baffling followed by aerobic tank, oxygen compatibility pool, anaerobic pond, anoxic pond, secondary settling tank and clear water Pond；
(3) in a manner of reflux, processing effluent cycle passes through nitrification by aerobic tank, oxygen compatibility pool, anaerobic pond and anoxic pond With denitrification and spoil disposal, reach denitrogenation purpose, while COD, BOD are significantly degraded；
(4) it by detection water outlet water quality indicator, determines sludge age, then passes through anoxic pond sludge pipe and sludge from final clarifier pipe In due course spoil disposal, to reach phosphor-removing effect.
The beneficial effects of the present invention are:
1. occupation area of equipment is few, portable.Separate between each pond by training wall, under gravity stream effect, the string in a manner of baffling Join each pond, the sewage treatment especially suitable for low processing capacity；
2. spoil disposal is smooth, sludge is not easy bottom of pond of depositing.Under the gravity stream effect of inclined floor, spoil disposal is thorough, also effective Reduce sludge bulking phenomenon；
3. turn brush control oxygen, homo-effect are good.In italic formula oxidation ditch, by regulating and controlling the revolving speed of rotating brush type aerator, operation Direction and its blow rate required are sufficiently mixed muddy water in italic formula oxidation ditch；
4. available depth is big, easy to adjust.Packaged type or detachable overflow weir are set, and different by installation The overflow weir of height not only increases biodegradable efficiency, also extends sewage to increase the available depth of italic formula oxidation ditch Hydraulic detention time；
5. labour is saved in automatic management.In conjunction with intelligence control technology, the problems such as realizing the water-in and water-out of integrated apparatus；
6. high treating effect, process system is stable.It can be greatly reduced in water outlet water by the way that simple secondary settling tank is arranged Suspended material (SS) content, by biodegrade processing after, it can be ensured that producing water water quality reach " integrated wastewater discharge standard " and The emission request of local laws and regulations；
7. simple and convenient operation and maintenance, operational management is safe and reliable.
Detailed description of the invention
Fig. 1 is present device structure three-view diagram；
" number explanation in attached drawing "
1-1,1-2: rotating brush type aerator；1-3: circular arc type training wall；1-4: linear type training wall；1-5: water inlet pipe；1-6: Detachable support column；1-7: fixed overflow weir；1-8: mobile overflow weir；1-9: secondary settling tank；1-10: clear water reserviors；1-11: incline Inclined bottom plate；1-12: aerobic tank；1-13: oxygen compatibility pool；1-14: anaerobic pond；1-15: anoxic pond；1-16: clear water reserviors drainpipe；1- 17: sludge from final clarifier pipe；1-18: anoxic pond sludge pipe.
Specific embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawing.
Fig. 1 is present device connection schematic diagram.
As shown in Figure 1, the present invention provides a kind of italic formula oxidation ditch, the aerobic tank 1- being sequentially connected in series is specifically included that 12, oxygen compatibility pool 1-13, anaerobic pond 1-14, anoxic pond 1-15, secondary settling tank 1-9 and clear water reserviors 1-10；The described aerobic tank 1-12, it is simultaneous Oxygen pond 1-13, anaerobic pond 1-14, anoxic pond 1-15, secondary settling tank 1-9 and clear water reserviors 1-10 build into italic formula oxidation ditch jointly.
The italic formula oxidation ditch is fixed by three circular arc type training wall 1-3, three linear type training wall 1-4, one Formula overflow weir 1-7 movable type overflow weir 1-8 with together with is classified as aerobic tank 1-12, oxygen compatibility pool 1-13, anaerobic pond 1-14, anoxic Pond 1-15, secondary settling tank 1-9 and clear water reserviors 1-10；Aerobic tank 1-12, oxygen compatibility pool 1-13, anaerobic pond 1-14, anoxic pond 1-15, two is heavy Pond 1-9 and clear water reserviors 1-10 is installed on same inclined floor 1-11, the reliable gravity of sewage from aerobic tank 1-12 from It flow to clear water reserviors 1-10.
The italic formula oxidation ditch, the bottom peace of aerobic tank 1-12, oxygen compatibility pool 1-13, anaerobic pond 1-14 and anoxic pond 1-15 Fill two rotating brush type aerators 1-1,1-2, the controller of two rotating brush type aerators 1-1,1-2 are installed opposite to each other, turn brush make sludge and Sewage mixes well, and rotating brush type aerator 1-1,1-2 blow rate required controls oxygen in water (DO)；Two rotating brush type aerators 1-1,1-2 The one section of brush aeration pipe aeration for turning brush controller recently, the aeration seal of tube thereafter is not aerated；Two rotating brush type aerator 1- 1,1-2 is operated in opposite directions, and revolving speed keeps different, to increase the resistance to mass tranfer of water flow, sludge is made to be not easy to precipitate and obtain sufficiently Stirring；Two in due course alternative aerations of rotating brush type aerator 1-1,1-2, and aeration quantity is accordingly controlled, it can be achieved that A2/ O and inversion A2/ O two The alternate run of mode occurs sludge bulking phenomenon to reduce, and reaches Nitrogen/Phosphorus Removal simultaneously.
Twice overflow weir 1-7,1-8 is arranged in the italic formula oxidation ditch, the end anoxic pond 1-15；Apart from the end anoxic pond 1-15 Holding farthest overflow weir is fixed overflow weir 1-7, and another road overflow weir is mobile overflow weir 1-8, fixed overflow weir 1-7 The more mobile overflow weir of height it is low；Fixed overflow weir 1-7 and movable type overflow weir 1-8 are by the pond of the end anoxic pond 1-15 It is divided into secondary settling tank 1-9 and clear water reserviors 1-10；Secondary settling tank 1-9 water outlet flows through fixed overflow weir 1-7 and enters clear water reserviors 1-10, passes through Secondary settling tank 1-9 stand after water outlet, suspended material (SS) can greatly reduce in water.
The italic formula oxidation ditch, mobile overflow weir 1-8 is alternatively referred to as detachable overflow weir 1-8, i.e., in its installation position The groove of setting certain depth is set, then preprepared overflow weir is installed；According to sewage treatment load, installation is different The overflow weir of height can deepen the available depth of equipment, and the hydraulic detention time of sewage is appropriately extended.
The italic formula oxidation ditch, anoxic pond sludge pipe 1-18, sludge from final clarifier pipe 1-17 and clear water reserviors drainpipe 1-16 It is installed in its bottom, relies primarily on the effect of inclined floor 1-11 bring gravity stream, so that spoil disposal is smooth, draining is smooth, and Reduce mechanical energy consumption.
The sludge from final clarifier pipe 1-17 connects sludge pump with anoxic pond sludge pipe 1-18, when needing sludge reflux, opens Its muddy water is back to aerobic tank 1-12 by sludge pump.
The italic formula oxidation ditch, bottom plate 1-11 are equipped with support column 1-6；Support column 1-6 is foldable to be packed up.
Using the sewage water treatment method of the italic formula oxidation ditch, the steps include:
(1) sewage is entered in italic formula oxidation ditch by water inlet pipe 1-5, under the stirring of rotating brush type aerator 1-1,1-2, muddy water It mixes well；
(2) under the gravity stream of inclined floor 1-11 and the motive force collective effect of rotating brush type aerator 1-1,1-2, processing is dirty Water with before this from left to right, then from top to bottom the mode of baffling followed by aerobic tank 1-12, oxygen compatibility pool 1-13, anaerobic pond 1- 14, anoxic pond 1-15, secondary settling tank 1-9 and clear water reserviors 1-10；
(3) in a manner of reflux, processing effluent cycle oxygen compatibility pool 1-13, anaerobic pond 1-14 and is lacked by aerobic tank 1-12 Oxygen pond 1-15 reaches denitrogenation purpose by nitrification and denitrification and spoil disposal, while COD, BOD are significantly degraded；
(4) it by detection water outlet water quality indicator, determines sludge age, is then arranged by anoxic pond sludge pipe 1-18 and secondary settling tank The in due course spoil disposal of mud pipe 1-17, to reach phosphor-removing effect.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range Deng should still be within the scope of the patent of the present invention.

Claims (7)

1. a kind of italic formula oxidation ditch, it is characterised in that: the italic formula oxidation ditch specifically includes that the aerobic tank being sequentially connected in series (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10)；It is described Aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1- 10) italic formula oxidation ditch is built into jointly；
The italic formula oxidation ditch is fixed by three circular arc type training walls (1-3), three linear type training walls (1-4), one Formula overflow weir (1-7) and mobile overflow weir (1-8) is classified as aerobic tank (1-12) together, oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10)；Aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobism Pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10) are installed in same inclined floor (1-11) On, the reliable gravity of sewage flow to clear water reserviors (1-10) from aerobic tank (1-12) certainly；
The italic formula oxidation ditch, the bottom of aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14) and anoxic pond (1-15) Two rotating brush type aerators (1-1,1-2) are installed in portion, and the controller of two rotating brush type aerators (1-1,1-2) is installed opposite to each other, turn brush Mix well sludge and sewage, rotating brush type aerator (the 1-1,1-2) blow rate required controls oxygen in water (DO)；Two brush aerations The one section of brush aeration pipe aeration for turning brush controller recently of machine (1-1,1-2), the aeration seal of tube thereafter are not aerated；Two turn Brush aerator (1-1,1-2) operates in opposite directions, and revolving speed keeps different, to increase the resistance to mass tranfer of water flow, sludge is made to be not easy to sink It forms sediment and is sufficiently stirred；Two in due course alternative aerations of rotating brush type aerator (1-1,1-2), and accordingly control aeration quantity, it can be achieved that A2/ O and inversion A2The alternate run of/O two-mode occurs sludge bulking phenomenon to reduce, and reaches Nitrogen/Phosphorus Removal simultaneously；
One end of aerobic tank (1-12) water inlet pipe (1-5) is fixed at the top of the rotating brush type aerator (1-2), tail portion is fixed on anoxic One end of pond (1-15) water outlet；One end of anoxic pond (1-15) water inlet is fixed at the top of rotating brush type aerator (1-1), tail portion is solid It is scheduled on one end of aerobic tank (1-12) water outlet；Rotating brush type aerator (1-1,1-2) is mounted in italic formula oxidation ditch, is sequentially passed through Aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14) and anoxic pond (1-15).
2. according to a kind of italic formula oxidation ditch described in claim 1, it is characterised in that: anoxic pond (1-15) end is set Set twice overflow weir (1-7,1-8)；The overflow weir farthest apart from the end anoxic pond (1-15) is fixed overflow weir (1-7), separately One overflow weir is mobile overflow weir (1-8), the more mobile overflow weir of fixed overflow weir (1-7) height it is low；It is fixed The pond of the end anoxic pond (1-15) is divided into secondary settling tank (1-9) and clear water by overflow weir (1-7) and mobile overflow weir (1-8) Pond (1-10)；Secondary settling tank (1-9) water outlet flows through fixed overflow weir (1-7) and enters clear water reserviors (1-10), quiet through secondary settling tank (1-9) The water outlet postponed, suspended material (SS) can greatly reduce in water.
3. according to a kind of italic formula oxidation ditch described in claim 1, it is characterised in that: the movable type overflow weir (1-8) Alternatively referred to as detachable overflow weir (1-8), i.e., be arranged the groove of certain depth in its installation site, then installs and be ready in advance Overflow weir；According to sewage treatment load, the overflow weir of different height is installed, the available depth of equipment can be deepened, is fitted When the hydraulic detention time for extending sewage.
4. according to a kind of italic formula oxidation ditch described in claim 3, it is characterised in that: anoxic pond sludge pipe (1-18), two Heavy pond sludge pipe (1-17) and clear water reserviors drainpipe (1-16) are installed in its bottom, rely primarily on inclined floor (1-11) and bring Gravity stream effect so that spoil disposal is smooth, draining is smooth, and reduce mechanical energy consumption.
5. according to a kind of italic formula oxidation ditch described in claim 4, it is characterised in that: the sludge from final clarifier pipe (1-17) Sludge pump is connected with anoxic pond sludge pipe (1-18), when needing sludge reflux, sludge pump is opened, its muddy water is back to aerobic tank (1-12)。
6. according to a kind of italic formula oxidation ditch described in claim 1, it is characterised in that: the inclined floor (1-11) is equipped with Support column (1-6)；Support column (1-6) is foldable to be packed up.
7. the method for carrying out sewage treatment using italic formula oxidation ditch as described in claim 1, it is characterised in that: including walking as follows It is rapid:
(1) sewage is entered in italic formula oxidation ditch by water inlet pipe (1-5), under the stirring of rotating brush type aerator (1-1,1-2), muddy water It mixes well；
(2) under the gravity stream of inclined floor (1-11) and the motive force collective effect of rotating brush type aerator (1-1,1-2), processing is dirty Water with before this from left to right, then from top to bottom the mode of baffling followed by aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14), anoxic pond (1-15), secondary settling tank (1-9) and clear water reserviors (1-10)；
(3) in a manner of reflux, processing effluent cycle is by aerobic tank (1-12), oxygen compatibility pool (1-13), anaerobic pond (1-14) and Anoxic pond (1-15) reaches denitrogenation purpose by nitrification and denitrification and spoil disposal, while COD, BOD are significantly dropped Solution；
(4) it by detection water outlet water quality indicator, determines sludge age, then passes through anoxic pond sludge pipe (1-18) and sludge from final clarifier (1-17) in due course spoil disposal is managed, to reach phosphor-removing effect.
CN201610072217.2A 2016-01-29 2016-01-29 A kind of italic formula oxidation ditch Active CN105502661B (en)

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US4614589A (en) * 1985-02-12 1986-09-30 Smith & Loveless Method and apparatus for biological aerobic wastewater treatment
CN2228909Y (en) * 1995-09-22 1996-06-12 张鸿毅 Non-power consumption organic sewage treatment device
CN1367143A (en) * 2002-02-28 2002-09-04 陈启松 Four-channel type oxidation channel urban sewage treatment system
CN205527997U (en) * 2016-01-29 2016-08-31 天津科技大学 Italic formula oxidation ditch

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