CN101269879B - Zanjon type gas-lift stream-pull tridimensional circulation type inversion A<2>O integral co-construction oxidation ditch - Google Patents
Zanjon type gas-lift stream-pull tridimensional circulation type inversion A<2>O integral co-construction oxidation ditch Download PDFInfo
- Publication number
- CN101269879B CN101269879B CN2008100530290A CN200810053029A CN101269879B CN 101269879 B CN101269879 B CN 101269879B CN 2008100530290 A CN2008100530290 A CN 2008100530290A CN 200810053029 A CN200810053029 A CN 200810053029A CN 101269879 B CN101269879 B CN 101269879B
- Authority
- CN
- China
- Prior art keywords
- zone
- waterwall
- water
- aerobic
- oxidation ditch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 50
- 230000003647 oxidation Effects 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000005273 aeration Methods 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000005276 aerator Methods 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims description 22
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 24
- 239000007787 solid Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 47
- 238000000034 method Methods 0.000 description 21
- 239000011259 mixed solution Substances 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 230000000050 nutritive effect Effects 0.000 description 8
- 229910052698 phosphorus Inorganic materials 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 2
- 229920000037 Polyproline Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009293 extended aeration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a zanjon air lifting pushing solid circulation inversion A<2>O integrated construction oxidation ditch, which comprises an anoxic zone, an anaerobic zone, an aerobic zone provided with a millipore aerator group and an inversion A<2>O integrated construction oxidation ditch of a solid and liquid separating zone. The solid and liquid separating zone is arranged at the frontend of a main ditch, the anaerobic zone is arranged at the tail end of the main ditch, and water inlets are respectively arranged at the front ends of the aerobic zone and the anaerobic zone. The integrated construction oxidation ditch is characterized in that a horizontal partition board which divides the main ditch into an upper groove layer and a lower groove layer is arranged at the middle-lower part of the main ditch, the aerobic zone and the anaerobic zone are respectively arranged at the upper groove layer and the lower groove layer, the aerobic zone is internally provided with n (n ismore than or equal to 1) aeration lifting zone (s) which is (are) composed of an inlet water-retaining wall, an outlet water-retaining wall and the millipore aerator group and is (are) provided with a lower water inlet and an upper water outlet, the horizontal partition board of a first grade aeration lifting zone is provided with a plurality of lifting holes, and the aerobic zone is internally divided into n aerobic reaction zone (s) corresponding to the aeration lifting zone (s).The integrated construction oxidation ditch has the advantages that: the yielding water quality, particularly thedephosphorization and denitrification effect, is better, the occupation area is reduced, the equipment is reduced, the operation is simplified, and the operation cost is lowered.
Description
Technical field
The present invention relates to dirt, waste water disposal facility-oxidation ditch, relate in particular to a kind of Zanjon type gas-lift stream-pull tridimensional circulation type inversion A
2The O integral co-construction oxidation ditch.
Background technology
Oxidation ditch is the extended aeration activated sludge process water technology with mixing fully and whole plug-flow hydromechanics feature, because the hydraulic characteristic of " closed circulation flows " of its uniqueness and long mud age and lower organic loading, make that it becomes that effluent quality is good, strong shock resistance, stable, flow process is simple,, be convenient to safeguard, the mud discharge capacity is low can directly dewater and one-time construction investment and the lower water technology of working cost, in municipal effluent and Industrial Wastewater Treatment, be used widely.
With the micro-hole aerator of impeller cooperation under water technology is the deep channel type oxidation channel technology rise rapidly in recent years of representative, under the prerequisite of having inherited conventional oxidation ditch technical superiority, the more fruitful oxidation ditch that solved takes up an area of big problem, simultaneously, higher oxygen transfer effect has effectively improved the utilising efficiency of oxygen replenishing equipment.
Build whole Round Sump oxidation Ditch Technology in same structures jointly with functional pools such as solid-liquid separation tank, anaerobic pond, anoxic pond and oxidation ditch tap drain, with the multiple ditch type array mode reply complicated processed water water quality different with various functional pools, when removing the carbon source pollutent, effectively promoted the denitrogenation dephosphorizing treatment effect.Construction, the operation of integral body Round Sump oxidation ditch are very economical, are widely used in recent years.
Inversion A
2The O method is for further promoting the denitrogenation dephosphorizing effect, at traditional A
2On the basis of O method, the anaerobism section of biochemical system is placed after the anoxic section, and the measure by distributing water inlet to two sections, make denitrification process preferentially obtain carbon source, strengthen denitrification effect and make anaerobism section mixed solution directly enter aerobic section, promote the Technology of phosphor-removing effect.Owing to its properly distributed the carbon source nutritive substance of former water produce good denitrogenation dephosphorizing effect, will become the first-selected Technology that the town sewage facility for the central disposal is built.
At present, oxidation Ditch Technology is still towards abundant excavation with utilize conventional oxidation ditch hydraulic characteristic, with further minimizing occupation of land and construction fund, further improve especially dephosphorization and denitrification effect and further to reduce running cost be several aspects development such as the new ditch type technical study of target, energy-efficient equipment research and the simple Research on Energy-saving Mode of running maintenance of water treatment effect.
Traditional oxidation ditch comprises deep channel type and whole Round Sump oxidation ditch, has multiple ditch type and oxygenation, plug-flow mode, but they all are to prolong horizontal direction according to channel path on horizontal plane to circulate.Hold than Da Chi because its " horizontal direction is circulating fluidized " and " extended aeration activated sludge process " is necessary, the problem that oxidation ditch " takes up an area of big " is more outstanding always.At present, though be that the oxidation ditch of oxygenation mode has effectively improved the oxidation ditch degree of depth (as the depth of water above 6 meters) with the micro-pore aeration, but pursue the higher oxidation ditch degree of depth again, its oxygen supply equipment and under water the installation and the dynamic load of plug-flow equipment all can non-linearly improve, thereby reduced the economy of deep channel type oxidation channel.Especially in current economic fast development, increased population, natural water water quality further worsens, Freshwater resources, the land resources and the energy is day by day under the intense situation, and to take up an area of be that the deep channel type oxidation channel The Application of Technology of target still is subjected to technology limitation and economic constraints to reduce.The contradiction that solves oxidation Ditch Technology " effluent quality is good and floor space is big " still is concern problem dirty, field of waste water treatment.
Summary of the invention
Main purpose of the present invention is at the problems referred to above, a kind of Zanjon type gas-lift stream-pull tridimensional circulation type inversion A2O integral co-construction oxidation ditch is provided, the complete biochemical system that foundation comprises oxygen supply, waterpower flows and mud, mixed solution vast scale exchange, createing good anaerobic environment, anaerobic environment, aerobic environment, solid-liquid separation environment, guarantee that good effluent quality especially under the prerequisite of denitrogenation dephosphorizing effect, reaches the effect that reduces occupation of land, minimizing equipment, simplifies the operation, reduces running cost.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Zanjon type gas-lift stream-pull tridimensional circulation type inversion A
2The O integral co-construction oxidation ditch is established oxygen-starved area, anaerobic zone, is provided with the aerobic zone of micro-hole aerator group and the inversion A of solid-liquid displacement zone in comprising
2The O integral co-construction oxidation ditch, wherein solid-liquid displacement zone is located at the tap drain front end, anaerobic zone is located at the tap drain end, two former water water inlet pipes are placed in the front end of oxygen-starved area and anaerobic zone respectively, it is characterized in that being provided with in the tap drain middle and lower part tap drain is divided into upper and lower two-layer raceway groove and front end and solid-liquid displacement zone possesses the horizontal baffle that distance, rear end enter anaerobic zone; Aerobic zone is located at top-layer channel; Lower floor's raceway groove is located in the oxygen-starved area; In aerobic zone, be provided with n level (n 〉=1) by the vertical water inlet waterwall that be arranged in parallel perpendicular to the tap drain side wall, water outlet waterwall and therebetween micro-hole aerator group constitute divide into water-in, on set out the aeration gas lift district at the mouth of a river, the all fixedly connected tap drain side wall in side of water inlet waterwall and water outlet waterwall, and the bottom of water outlet waterwall is fixedly connected on the horizontal baffle, is provided with several up-flow holes on the horizontal baffle that is positioned at first step aeration gas lift district; Corresponding n level aeration gas lift is divided into n level aerobic reactor zone in the aerobic zone, and the water inlet waterwall by first step aeration gas lift district and anaerobic zone in abutting connection with, pass through the water outlet waterwall and the solid-liquid displacement zone adjacency of n level aerobic reactor zone; The water inlet waterwall in described first step aeration gas lift district and bottom are fixedly connected on horizontal baffle end, side fixedlys connected the terminal waterwall of dividing plate of tap drain side wall and setting in parallel and constitutes the anaerobic zone drop chute, and the terminal waterwall of dividing plate top is provided with the drop chute water-in.
Middle and lower part near tap drain front end headwall in described solid-liquid displacement zone is provided with shore pipe.
The invention has the beneficial effects as follows: (1) takes the three-dimensional Recycle design of two-layer raceway groove up and down because horizontal baffle is set in tap drain, thereby can effectively improve the oxidation ditch depth of water, compares with the conventional oxidation ditch, and floor space can significantly reduce; (2) adopt aeration gas lift plug-flow mode to replace existing aeration aerating and plug-flow to set up mode separately, not only have higher total oxygen transfer coefficient and good oxygen delivery capacity, and utilized the gas lift impellent of aerator dexterously, realized that by the energy transformation between fluid gravitional force and the kinetic energy plug-flow effect to mixed solution has fully realized mixing of aeration and plug-flow; (3) in oxidation ditch lower floor the oxygen-starved area is set, at the oxygen-starved area front end first water inlet pipe is set, mixed solution does not contact with air after entering the oxygen-starved area, also obtain replenishing of former water nutrition simultaneously, good anaerobic environment makes denitrification process very thorough, the amount of separating out of nitrogen is very big, embodies very high ammonia nitrogen and total nitrogen removal effect, and saves and build and working cost; (4) on the horizontal baffle that is positioned at first step aeration gas lift district, be provided with several up-flow holes, can make the denitrification liquid of oxygen-starved area end directly enter aeration gas lift district,, quicken nitrated-denitrification process by fully contacting rapid formation nitrification liquid with oxygen; (5) at the tap drain end anaerobic zone is set, the anaerobism section is intake all come from the end of oxygen-starved area, and water outlet all enters aerobic zone, thereby form inversion A
2The O operational mode.Front end at anaerobic zone is provided with second water inlet pipe, for balance supply two district's nutritive substances (carbon source) have been created condition.Under the more competent anaerobic environment of nutritive substance (carbon source), more help the growth metabolism of polyP bacteria, so that can release phosphorus more completely, double poly-phosphorus and created condition for entering aerobic zone, for the system high efficiency dephosphorization provides assurance.(6) the system architecture compactness is simple and direct, and operation is very simple with maintenance, and manual request is few, easily is automated control; In a word, the present invention has set up and has comprised oxygen supply, the complete biochemical system that waterpower is mobile and mud, mixed solution vast scale exchange, creating good anaerobic environment, anaerobic environment, aerobic environment, solid-liquid separation environment, improving the total nitrogen removal effect and guarantee that good effluent quality especially under the prerequisite of denitrogenation dephosphorizing effect, shows the good result that reduces occupation of land, minimizing equipment, simplifies the operation, reduces running cost.
Description of drawings
Fig. 1 is a plan structure synoptic diagram of the present invention;
Fig. 2 is the A-A cross section view of Fig. 1.
Among the figure: 1 solid-liquid displacement zone, 2 second stage aerobic reactor zone water outlet waterwalls, 3-1 first step aerobic reactor zone, 3-2 second stage aerobic reactor zone, the water outlet waterwall in aeration gas lift district, 4 second stage, the water outlet in 4-1 second stage aeration gas lift district, 5-1 first step aeration gas lift district, aeration gas lift district, the 5-2 second stage, the water inlet waterwall in aeration gas lift district, 6 second stage, 6-1 second stage aeration gas lift district water-in, the water outlet waterwall in 7 first step aeration gas lift districts, 7-1 first step aeration gas lift district water outlet, the water inlet waterwall in 8 first step aeration gas lift districts, 8-1 first step aeration gas lift district water-in, the terminal waterwall of 9 dividing plates, 9-1 drop chute water-in, 10 anaerobic zone drop chutes, 11 anaerobic zones, the former water water inlet pipe in 12 oxygen-starved areas, 13 horizontal baffles, 14 up-flow holes, 15-1 micro-hole aerator group, 15-2 micro-hole aerator group, 16 oxygen-starved areas, 17 tap drain side walls, the former water water inlet pipe of 18 anaerobic zones, 19 shore pipes, 20 solid-liquid displacement zone rising pipes, 21 tap drain front end headwalls, 22 receive mill weir.
Below in conjunction with drawings and Examples to the detailed description of the invention.
Embodiment
Fig. 1 is a plan structure synoptic diagram of the present invention; Fig. 2 is the A-A cross section view of Fig. 1, and arrow is a fluid flow direction among the figure.As shown in the figure, be a kind of rectangle Zanjon type gas-lift stream-pull tridimensional circulation type inversion A
2The O integral co-construction oxidation ditch is established the inversion A of oxygen-starved area 16, anaerobic zone 11, the aerobic zone that is provided with the micro-hole aerator group and solid-liquid displacement zone 1 in comprising
2The O integral co-construction oxidation ditch, wherein solid-liquid displacement zone 1 is located at the tap drain front end, anaerobic zone 11 is located at the tap drain end, two former water water inlet pipes 12,18 are placed in the front end of oxygen-starved area 16 and anaerobic zone 11 respectively, it is characterized in that being provided with in the tap drain middle and lower part tap drain is divided into upper and lower two-layer raceway groove and front end and solid-liquid displacement zone 1 possesses the horizontal baffle 13 that distance, rear end enter anaerobic zone 11; Aerobic zone is located at top-layer channel; Lower floor's raceway groove is located in oxygen-starved area 16; In aerobic zone, be provided with n level (n 〉=1) by the vertical water inlet waterwall that be arranged in parallel perpendicular to the tap drain side wall, water outlet waterwall and therebetween micro-hole aerator group constitute divide into water-in, on set out the aeration gas lift district at the mouth of a river, the all fixedly connected tap drain side wall in side of water inlet waterwall and water outlet waterwall, and the bottom of water outlet waterwall is fixedly connected on the horizontal baffle; In the present embodiment, in aerobic zone, be provided with TSA gas lift district 5-1,5-2, first step aeration gas lift district 5-1 is made of water inlet waterwall 8, water outlet waterwall 7 and therebetween micro-hole aerator group 15-1, and water inlet waterwall 8 is divided on water-in 8-1, the water outlet waterwall 7 and set out mouth of a river 7-1; Aeration gas lift district, second stage 5-2 is made of water inlet waterwall 6, water outlet waterwall 4 and therebetween micro-hole aerator group 15-2, and water inlet waterwall 6 is divided on water-in 6-1, the water outlet waterwall 4 and set out mouth of a river 4-1; The all fixedly connected tap drain side wall 17 in side of water inlet waterwall 8,6 and water outlet waterwall 7,4, and the bottom of water outlet waterwall 7,4 is fixedly connected on the horizontal baffle 13.On the horizontal baffle 13 that is positioned at first step aeration gas lift district 5-1, be provided with several up-flow holes 14; Corresponding above-mentioned TSA gas lift district 5-1,5-2 are divided into two-stage aerobic reaction zone 3-1,3-2 in the aerobic zone, the water inlet waterwall 8 of aerobic zone by first step aeration gas lift district 5-1 and anaerobic zone 11 in abutting connection with, go out waterwall 2 and solid-liquid displacement zone 1 adjacency by second stage aerobic reactor zone 3-2; The water inlet waterwall 8 of above-mentioned first step aeration gas lift district 5-1 and bottom are fixedly connected on horizontal baffle 13 ends, side fixedlys connected the terminal waterwall 9 of dividing plate of tap drain side wall 17 and setting in parallel and constitutes anaerobic zone drop chutes 10, and the terminal waterwall of dividing plate 9 tops are provided with drop chute water-in 9-1.Middle and lower part near tap drain front end headwall 21 in the above-mentioned solid-liquid displacement zone 1 is provided with shore pipe 19.
In sum, summarize characteristics of the present invention: (1) is provided with horizontal baffle, makes tap drain be divided into two-layer raceway groove up and down, and aerobic zone is arranged on top-layer channel, and the oxygen-starved area is arranged on lower floor's raceway groove, makes the tap drain water body form three-dimensional round-robin fluidised form up and down.It is an oxidation ditch to the important technical of deep channel type development more, makes oxidation ditch effectively reduce cost of floor space.(2) it is according to " gas lift " principle, made full use of the whole proportion of gassy water that micro-hole aerator inflation under water produced much smaller than 1 and under volumetric expansion and the liquid bubble hold the physical effect of water acceleration vertical uplift under the arm, in oxidation ditch top-layer channel aerobic zone, be provided with one or more levels aeration gas lift district, this zone is in oxygen supply, the head that is produced is that hydraulic potential promotion water body overall flow also is that potential energy converting and energy is a kinetic energy, selecting the very outstanding micro-hole aerator of oxygen transfer effect is source of the gas, only provide under the prerequisite of nitrated and removal carbon source pollutent institute air demand, do not increase other any power and equipment, make tap drain water body overall flow under the assurance active sludge does not sink sedimentary flow velocity.Its energy consumption level is only in single system biochemical oxygen demand (BOD) scope, its equipment installation is the micro-pore aeration system single equipment just, under the prerequisite that saves such as all kinds of plug-flows, mud and sewage lifting and switching equipment, can realize oxygen supply, waterpower plug-flow and the mud of whole oxidation ditch biochemical system, the complete water treatment procedure of mixed solution vast scale exchange between each functional zone.It is when having created good anaerobic environment, anaerobic environment, aerobic environment and solid-liquid separation environment, and energy-saving effect is demonstrated fully.Under the length and width of aerobic zone horizontal area compares less than 1.5 condition, can not establish aeration gas lift district, the second stage, to reduce construction fund.For the processing than heavily contaminated water, because oxygen requirement is bigger, the kinetic energy that is utilized can make fluidised form even more ideal with exchange, therefore also more can embody energy-saving effect.(3) in oxidation ditch lower floor the oxygen-starved area is set, at the oxygen-starved area front end first water inlet pipe is set, mixed solution does not contact with air after entering the oxygen-starved area, also obtains replenishing of former water nutrition simultaneously.Good anaerobic environment makes denitrification process very thorough, and the amount of separating out of nitrogen is very big, embodies very high ammonia nitrogen and total nitrogen removal effect.Raceway groove is provided with the oxygen-starved area in lower floor, be actually the anoxic section of oxidation ditch process is strengthened and improved, whole Round Sump oxidation ditch with respect to ad hoc anoxic pond outside oxidation ditch, the present invention is owing to make oxidation ditch self anoxic section obtain the ideal denitrification effect, there is no need outside oxidation ditch, to establish again anoxic pond, therefore saved construction and working cost.(4) on the horizontal baffle that is positioned at first step aeration gas lift district, be provided with several up-flow holes, can make the denitrification liquid of oxygen-starved area end directly enter aeration gas lift district,, quicken nitrated-denitrification process by fully contacting rapid formation nitrification liquid with oxygen.(5) at the tap drain end anaerobic zone is set, the anaerobism section is intake all come from the end of oxygen-starved area, and water outlet all enters aerobic zone, thereby form inversion A
2The O operational mode.Front end at anaerobic zone is provided with second water inlet pipe, for balance supply two district's nutritive substances (carbon source) have been created condition.Under the more competent anaerobic environment of nutritive substance (carbon source), more help the growth metabolism of polyP bacteria, so that can release phosphorus more completely, double poly-phosphorus and created condition for entering aerobic zone, for the system high efficiency dephosphorization provides assurance.Be provided with drop chute in the anaerobic zone, its function is to utilize the suction function of aeration gas lift negative pressure that the anaerobic zone mixed solution is directly sent into aerobic zone.
Principle of work of the present invention and working process are as follows:
As shown in Figure 1 and Figure 2, be a kind of rectangle Zanjon type gas-lift stream-pull tridimensional circulation type inversion A
2The O integral co-construction oxidation ditch comprises oxygen-starved area 16, anaerobic zone 11, first step aeration gas lift district 5-1, aeration gas lift district, second stage 5-2, first step aerobic reactor zone 3-1, second stage aerobic reactor zone 3-2, solid-liquid displacement zone 1 totally 7 functional zone.Arrow is a fluid flow direction among the figure.Horizontal baffle 13 is divided into two-layer raceway groove up and down with the oxidation ditch tap drain, forms three-dimensional circulating fluidized up and down; The effect of the first step, aeration gas lift district, second stage 5-1,5-2 is that auxiliary plug-flow power is provided when oxygen is provided; Be provided with drop chute 10 in the anaerobic zone 11, effect is to utilize the gas lift negative pressure that the mixed solution of anaerobic zone 11 is directly sent into aerobic zone; Solid-liquid displacement zone 1 utilizes lamina flow principle that the active sludge in the mixed solution is separated, and separated liquid supernatant is collected and the discharge system; Oxygen-starved area water inlet pipe 12 is to carry the main channel of former water to system, and is preferably oxygen-starved area 16 nutritive substance is provided; Anaerobic zone water inlet pipe 18 constitutes the relation that balance provides nutritive substance to the former water of system's transport portion and for oxygen-starved area 16 provides nutritive substance with oxygen-starved area water inlet pipe 12; The first aeration gas lift district 5-1 is directly sent oxygen-starved area 16 terminal a part of mixed solutions in up-flow hole 14, quickens the nitrification and denitrification process.
The working process of native system is: before the pending former water of oxidation ditch enters system, at first with the purpose of carbon source nutrient distribution, former moisture two-way enters tap drain lower floor raceway groove oxygen-starved area 16 and anaerobic zone 11 respectively by oxygen-starved area water inlet pipe 12 and anaerobic zone water inlet pipe 18, the former water that enters two districts disperses to import mixed solution rapidly under action of turbulent flow, finishing hydraulic retention respectively is denitrification process with scarce, anaerobic biological process one, and main the removal with ammonia nitrogen, total nitrogen is the contaminants associated matter of sign and finishes the phosphorus process of releasing of poly-phosphorus microorganism.The mixed solution of oxygen-starved area 16 is after finishing anoxic stop and biochemistry, a part wherein is by the up-flow hole 14 of first step aeration gas lift district 5-1 bottom, shunting in advance under the gas lift suction function, entering with micro-hole aerator group 15-1 is the first step aeration gas lift district 5-1 realization nitrifying process of source of the gas; Another part then enters anaerobic zone 11 and confluxes with the water inlet of the former water water inlet pipe 18 of anaerobic zone, mixed solution is finished hydraulic retention and anaerobic biological and is passed through drop chute 10 under the whole plug-flow effect in solid circulation up-flow stage, also enter first step aeration gas lift district 5-1 under micro-hole aerator group 15-1 gas lift suction function.These two strands mixed solutions from oxygen-starved area 16 and anaerobic zone 11, under the brute force of gas lift current stirs, contact and rise to oxygen fast and enter first step aerobic reactor zone 3-1, after finishing hydraulic retention and aerobic biochemical under the aerobic reactor zone action of turbulent flow, finish hydraulic retention and aerobic biochemical by second stage aeration gas lift district 5-2 water-in 6-1 negative pressure inspiration second stage aerobic reactor zone 3-2 and in this district, mainly remove with COD, BOD in this process and to be the contaminants associated matter of carbon source of sign and to finish the poly-phosphorus process of poly-phosphorus microorganism, enter solid-liquid displacement zone 1 then.In solid-liquid displacement zone, the sub-fraction mixed solution that is equivalent to former water flooding quantity is under the waterpower hydrostatic pressure, and shunting rises up into solid-liquid displacement zone 1 and carries out solid-liquid separation, and the supernatant liquor after the separation is then by receiving mill weir 22 discharge systems.Mud part after the solid-liquid separation is sunk by self gravitation, and by shore pipe 19 discharge systems, a part is fallen under the whole plug-flow effect in stream stage in the three-dimensional recycle system in addition, disperses to incorporate the tap drain mixed solution and realizes that mud does not have pump and refluxes automatically.The tap drain mixed solution then flows into lower floor raceway groove oxygen-starved area 16 downwards, confluxes with the former water of the former water water inlet pipe 12 of whole plug-flow fluidised form and oxygen-starved area, participates in the circulation of next cycle, goes round and begins again and finishes purification.Each sport technique segment of the present invention's operation has all embodied efficient and energy-conservation.
Claims (2)
1. Zanjon type gas-lift stream-pull tridimensional circulation type inversion A
2The O integral co-construction oxidation ditch is established oxygen-starved area, anaerobic zone, is provided with the aerobic zone of micro-hole aerator group and the inversion A of solid-liquid displacement zone in comprising
2The O integral co-construction oxidation ditch, wherein solid-liquid displacement zone is located at the tap drain front end, anaerobic zone is located at the tap drain end, two former water water inlet pipes are placed in the front end of oxygen-starved area and anaerobic zone respectively, it is characterized in that being provided with in the tap drain middle and lower part tap drain is divided into upper and lower two-layer raceway groove and front end and solid-liquid displacement zone possesses the horizontal baffle that distance, rear end enter anaerobic zone; Aerobic zone is located at top-layer channel; Lower floor's raceway groove is located in the oxygen-starved area; In aerobic zone, be provided with the n level by the vertical water inlet waterwall that be arranged in parallel perpendicular to the tap drain side wall, water outlet waterwall and therebetween micro-hole aerator group constitute divide into water-in, on set out the aeration gas lift district at the mouth of a river, described n 〉=1, the all fixedly connected tap drain side wall in side of vertical water inlet waterwall and water outlet waterwall, and the bottom of water outlet waterwall is fixedly connected on the horizontal baffle, is provided with several up-flow holes on the horizontal baffle that is positioned at first step aeration gas lift district; Corresponding n level aeration gas lift is divided into n level aerobic reactor zone in the aerobic zone, and the vertical water inlet waterwall by first step aeration gas lift district and anaerobic zone in abutting connection with, pass through the water outlet waterwall and the solid-liquid displacement zone adjacency of n level aerobic reactor zone; The vertical water inlet waterwall in described first step aeration gas lift district and bottom are fixedly connected on horizontal baffle end, side fixedlys connected the terminal waterwall of dividing plate of tap drain side wall and setting in parallel and constitutes the anaerobic zone drop chute, and the terminal waterwall of dividing plate top is provided with the drop chute water-in.
2. Zanjon type gas-lift stream-pull tridimensional circulation type inversion A according to claim 1
2The O integral co-construction oxidation ditch is characterized in that the middle and lower part near tap drain front end headwall is provided with shore pipe in described solid-liquid displacement zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100530290A CN101269879B (en) | 2008-05-07 | 2008-05-07 | Zanjon type gas-lift stream-pull tridimensional circulation type inversion A<2>O integral co-construction oxidation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100530290A CN101269879B (en) | 2008-05-07 | 2008-05-07 | Zanjon type gas-lift stream-pull tridimensional circulation type inversion A<2>O integral co-construction oxidation ditch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101269879A CN101269879A (en) | 2008-09-24 |
| CN101269879B true CN101269879B (en) | 2010-07-21 |
Family
ID=40004141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100530290A Expired - Fee Related CN101269879B (en) | 2008-05-07 | 2008-05-07 | Zanjon type gas-lift stream-pull tridimensional circulation type inversion A<2>O integral co-construction oxidation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101269879B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393460A (en) * | 2011-08-22 | 2012-03-28 | 万积成 | Rapid detection device for helicobacter pylori |
| CN109942088B (en) * | 2019-05-07 | 2024-06-14 | 徐州工程学院 | Domestic small-sized artificial wetland domestic sewage treatment device for household |
| CN112875995A (en) * | 2021-01-28 | 2021-06-01 | 广州鹏锦环保科技有限公司 | Endogenous circulation ditch for treating wastewater based on activated sludge process |
| CN114516683A (en) * | 2022-03-09 | 2022-05-20 | 安徽建筑大学 | Multi-process sewage nitrogen and phosphorus removal system and method based on aeration unpowered backflow |
| CN114604970B (en) * | 2022-05-11 | 2022-08-12 | 北京博汇特环保科技股份有限公司 | Improved A2O biochemical reaction system and sewage treatment method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201254493Y (en) * | 2008-05-07 | 2009-06-10 | 天津市天水环保设计工程有限公司 | Deep groove type gas lifting plug flow stereoscopic circulation type inversion A<2>O integrated combined oxidation ditch |
-
2008
- 2008-05-07 CN CN2008100530290A patent/CN101269879B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201254493Y (en) * | 2008-05-07 | 2009-06-10 | 天津市天水环保设计工程有限公司 | Deep groove type gas lifting plug flow stereoscopic circulation type inversion A<2>O integrated combined oxidation ditch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101269879A (en) | 2008-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101633531B (en) | Sewage treatment reactor for alternately operating intermittent flow and continuous flow | |
| CN101774732B (en) | Integral air-lift circumfluent suspended filler dispersed sewage biological treatment device | |
| CN104496025B (en) | A kind of strengthening synchronous denitrification dephosphorizing sewage water treatment method and device | |
| CN102260021A (en) | Process and device for deep denitrogenation of domestic wastewater without additional carbon source | |
| CN205258127U (en) | Circulatory flow loop type multistage sludge -biofilm intergrowth combined type bioreactor | |
| CN101875511B (en) | Strip-type funneling solid-liquid separator and gas lifting pulsation push flowing oxidation ditch thereof | |
| CN101269879B (en) | Zanjon type gas-lift stream-pull tridimensional circulation type inversion A<2>O integral co-construction oxidation ditch | |
| CN105293834A (en) | Integrated iods reactor | |
| CN207986809U (en) | The AAO biochemical treatment tanks of treated sewage | |
| CN101269880B (en) | Zanjon type gas-lift stream-pull tridimensional circulation type integral co-construction oxidation ditch | |
| CN203866158U (en) | Concentric type integrated sewage treatment system | |
| CN103183454B (en) | Coupling type biological denitrification method and system thereof | |
| CN101215044A (en) | Multistage circulation composite sewage treatment method | |
| CN201358188Y (en) | Sewage treatment device with integrated fluidized beds and fixed beds | |
| CN201313853Y (en) | Biofilm reaction equipment for wastewater treatment | |
| CN201254493Y (en) | Deep groove type gas lifting plug flow stereoscopic circulation type inversion A<2>O integrated combined oxidation ditch | |
| CN202880994U (en) | No-reflux denitrification treatment device for domestic sewage | |
| CN110240349A (en) | One kind is with A2Integrated sewage treating apparatus based on/O technique | |
| CN104129842A (en) | Single-tank integrated biochemical treatment process for sewage | |
| CN203159405U (en) | Coupled biological denitrification system | |
| CN105036466A (en) | B-circulating fluidized bed aerobic system | |
| CN110002588A (en) | Defecate collection sewage recycling processing unit and system | |
| CN201236165Y (en) | Zanjon type gas-lift stream-pull tridimensional circulation type integral co-construction oxidation ditch | |
| CN109775936A (en) | A kind of low energy consumption domestic sewage processing system | |
| CN101844829A (en) | High-efficiency biological nitrogen and phosphorus removal oxidation ditch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YANG TAO Free format text: FORMER OWNER: TIANJIN TIANSHUI ENVIRONMENT PROTECTION DESIGN ENGINEERING CO., LTD. Effective date: 20150820 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150820 Address after: 300000 No. 1, gate 11, building 6, West Lane, Yunyang Road, Tianjin, Yunyang, Nankai District Patentee after: Yang Tao Address before: 300191, 2 floor, water Xuan building, 9 Liang Liang Road, Tianjin, Nankai District Patentee before: TIANJIN TIANSHUI ENVIRONMENTAL PROTECTION DESIGN & PROJECT Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151118 Address after: The township road 100000 Beijing city Chaoyang District Cui Nan No. 2 (country Xincheng incubator No. 0166) Patentee after: Beijing century long Environmental Engineering Technology Co.,Ltd. Address before: 300000 No. 1, gate 11, building 6, West Lane, Yunyang Road, Tianjin, Yunyang, Nankai District Patentee before: Yang Tao |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100000, room 5, floor 7, building 4, 503 Wangjing Road, Beijing, Chaoyang District Patentee after: Beijing no environment engineering technology Co.,Ltd. Address before: The township road 100000 Beijing city Chaoyang District Cui Nan No. 2 (country Xincheng incubator No. 0166) Patentee before: Beijing century long Environmental Engineering Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 |