CN103183412B - Biochemical treatment device for sewage and treatment method thereof - Google Patents
Biochemical treatment device for sewage and treatment method thereof Download PDFInfo
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- CN103183412B CN103183412B CN201310105335.5A CN201310105335A CN103183412B CN 103183412 B CN103183412 B CN 103183412B CN 201310105335 A CN201310105335 A CN 201310105335A CN 103183412 B CN103183412 B CN 103183412B
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- 239000010865 sewage Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000000945 filler Substances 0.000 description 9
- 238000005273 aeration Methods 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- QVGXLLKOCUKJST-NJFSPNSNSA-N oxygen-18 atom Chemical compound [18O] QVGXLLKOCUKJST-NJFSPNSNSA-N 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a biochemical treatment device for sewage, which comprises an air supply pipe, a biochemical pool body, and a water outlet and a sewage inlet both formed in the biochemical pool body; an inverted-cone-shaped separation rotational flow mud collecting pit is formed at the bottom of the biochemical pool body; a mud discharging port is formed in the mud collecting pit; a horizontal water pipe connected with the sewage inlet, as well as tangential water jetting heads, is distributed above the mud collecting pit; the sewage inlet is arranged above the horizontal water pipe and the tangential water jetting heads; at least one riser tube is vertically arranged above the biochemical pool body; the air outlet end of the air supply pipe extends into the lower part of the riser tube, and the air inlet end extends out of the biochemical pool body; the biochemical pool body is sequentially divided into an aerobiotic zone, an oxygen-poor zone, and an anaerobic zone from the top down; the water outlet is arranged at the upper part of the aerobiotic zone; a baffle is arranged in the biochemical pool body close to the water outlet; and the top of the baffle is higher than the water outlet on the pool body. The invention further relates to a treatment method adopting the treatment device. The biochemical treatment device for sewage and the treatment method thereof have the characteristics of simple technology, low cost and energy conservation.
Description
Technical field
The invention belongs to sewage treatment area, be specifically related to a kind of biochemical sewage treatment device and treatment process thereof.
Background technology
In recent years, China's town sewage processing rate improves constantly, but the body eutrophication problem being caused by nitrogen and phosphorus pollution is not only resolved, and has day by day serious trend.Therefore the aggravation of body eutrophication problem has proposed strict requirement to the removal of nitrogen, phosphorus, and visible, the principal contradiction of sewage disposal has been changed into the removal of nitrogen and phosphorus pollution thing by the removal of organic pollutant.China is more and more higher to the Effluent criteria of urban wastewater treatment firm, improved especially the standard of nitrogen phosphorus, therefore many built urban wastewater treatment firms need upgrading, increase facility and remove the nitrogen and phosphorus pollution thing in sewage, to reach the emission standard of national regulation, newly-built sewage work must build according to new standard.For denitrification dephosphorization technique, demand for development from now on is not only confined to higher removal efficiency of nitrogen and phosphorus, and require that treatment effect is stable, reliable, technology controlling and process flexible adjustment, investment working cost save.At present, biological denitrification phosphorous removal technique is just towards this succinct, efficient, economic future development.
China at present waste water control system in overwhelming majority area does not also have compartmentation or synthesization, each source of pollution are in disperseing harness status, traditional Continuous Flow biochemical processing process such as activated sludge process are difficult to normal steady running when processing the sewage that the water yield is less, luffing is large, therefore, efficient, the low consumption of development, the water technology that occupation of land is few are the important topics of field of waste water treatment always.Biological integrated reactor technology because of himself advantage and in recent years reaching its maturity of microbial immobilized technology be subject to academia and obtain more and more and pay close attention to, and be successfully applied to the processing of various wastewater.Compare with traditional waste water treatment process, this novel reactor technology can reduce processing unit, reduces construction costs, saves running cost, reduces floor space, has caused government and scientific and technical personnel's great attention.
Vertical fragmentation integral biological treatment process research at present seldom, existing waste water biochemical treatment method and device mostly are the horizontal fragmentation in space, and topmost have traditional activated sludge process and a distortion thereof: the additional second pond water outlets such as A-O method, A-A-O method, A-B method, various oxidation ditches; SBR method is time slice, and different effects is played in different time response ponds; MSBR method is minute scoring section in space and the mixing of time slice, to improve the shortcoming of time slice, last water outlet all be unable to do without second pond, wait for after sludge settling goes down supernatant liquor is discharged, often because sludge settling speed is slow, and making the processing power of second pond on the low side, the treatment time generally accounts for 1/2nd of the whole water treatment cycle.
Vertical fragmentation integral biological treatment process is short with its sewage disposal time, save the area, reduce energy consumption, reduce cost, guarantees high quality continuous effluent simultaneously and is used.
The multiple grey hair of grandson understands a set of vertical sectional integrated waste water biochemical treatment method and installs accordingly.A back taper mud sorting eddy flow collection mud pit is formed on the bottom of this device, there is mud discharging mouth at collection center, mud pit, biochemistry pool body top is provided with at least one laminated slide filtering wet well, aeration plane makes biochemistry pool be segmented into anaerobism, aerobic, oxygen-starved area, and form vertical internal recycle, sewage aerobic elevated areas of three-phase flow above aeration head and off the net anaerobic sludge region of aeration tube rise to is carried out aerobic aeration, through annular, stop that the skirtboard of floating matter and the quiet pool of settling out of two-phase flow of virtual secondary sedimentation basins enter laminated slide filtering wet well or laminated slide filtering effluent weir again, the water outlet of artesian well central lower is discharged.
Sewage makes inverted cone surface at the bottom of pond play swirler by the tangential jetting of bottom level mud to be carried out to the sorting of microcosmic, the required power horizontally rotating of sorting comes from the function into water, if desired, need add submarine mechanical and stir thruster, generally, it is inadequate depending merely on and providing the required power horizontally rotating of sorting into the function of water, need to add submarine mechanical stirring thruster and can guarantee the power horizontally rotating; The device that this technique adopts in addition had both been provided with secondary sedimentation basins, also be provided with skirtboard and at least one laminated slide filtering wet well or laminated slide filtering effluent weir etc. that annular stops floating matter, this apparatus cost is comparatively expensive, operational management is also comparatively complicated, has directly restricted the widespread use of vertical sectional integrated waste water biochemical treatment apparatus in sewage treatment area.
Summary of the invention
The invention reside in the biochemical sewage treatment device and the treatment process thereof that provide that a kind of technique is simple, cost is low and can energy efficient.
Concrete technical scheme of the present invention is as follows:
A kind of biochemical sewage treatment device, comprise air-supply duct, biochemistry pool body, be located at water outlet and sewage import on biochemistry pool body, biochemistry pool body inner bottom part forms a back taper mud sorting eddy flow collection mud pit, collection center, mud pit is provided with mud discharging mouth, top, collection mud pit is distributed with horizontal water distributor and the tangential jetting head being connected with sewage import, described sewage import is located at the top of horizontal water distributor and tangential jetting head, the vertical direction of biochemistry pool body top is provided with at least one riser pipe, the below of riser pipe is stretched in the outlet side of air-supply duct, and it is external that its inlet end leans out biochemistry pool; Biochemistry pool body is divided into aerobic zone, oxygen-starved area, anaerobic zone from top to bottom, described water outlet is located at the top of aerobic zone, near water outlet, is provided with baffle plate in biochemistry pool body, baffle plate is parallel with pool wall and along the surrounding extension of biochemistry pool body, the top of baffle plate is higher than the water outlet of Chi Tishang.
In the present invention, the tube spacing of riser pipe, its height and cross-sectional sizes can be set as required, preferably, the tube spacing of described riser pipe is 3m, and riser pipe cross-sectional area is with the cross-sectional area of biochemistry pool body than being 1:36, and the aspect ratio of the height of riser pipe and biochemistry pool body is 3:8.In the present invention, the height of riser pipe can be selected according to the feature of sewage, when the height of riser pipe is large, can insert biochemistry pool body compared with depths, now processes COD ability strong, when the height of riser pipe hour, can insert the more shallow place of biochemistry pool body, now process NH
4 +ability is strong.
Described aerobic zone is provided with stuffing frame, and the height of stuffing frame accounts for 1/2 of biochemistry pool height.Stuffing frame is provided with filler as aerobe carrier, and the material of described filler is polypropylene.The polypropylene material that adopts high-quality, is immersed in waste water non-degradable for a long time, also can be to the toxic effect of microorganism; Filler is located on stuffing frame and is suspended in water, and the change of sewage quality and the water yield is had to good adaptive faculty; It is convenient to change, long service life.
The inlet end of described air-supply duct is connected with blower fan.
The invention still further relates to the treatment process that adopts above-mentioned biochemical sewage treatment device, comprise the steps:
(1) sewage penetrates from tangential jetting head from sewage import enters horizontal water distributor under the effect of impulse force, drive inverted cone surface pool bottom sludge to do level rotary flow motion, and concentrate to collection center, mud pit, it is fast that the newer raw sludge of heavy aged mud is concentrated, to realize the microcosmic sorting discharge to mud;
(2) biochemistry pool body is segmented into aerobic zone, oxygen-starved area, anaerobic zone from top to bottom, and sewage rises to oxygen-starved area from anaerobic zone, then is entered after mixing with the pressurized air of air-supply duct outlet side behind aerobic zone and up flowed along riser pipe by oxygen-starved area;
(3) from riser pipe top, a part of water out refluxes, in aerobic zone, carry out vertical circulation, part water is at the bottom of after baffle plate stops, the mud in sewage is slipped to pond along pool wall, after the virtual settling tank that clear water forms through pool wall and baffle plate along pool wall rising from the water outlet outflow on body top, pond.
The air demand of above-mentioned air-supply duct is preferably 41-42m
3/ hour.
The present invention makes inverted cone surface at the bottom of pond play swirler by bottom level water distributor and tangential jetting head horizontal tangential jetting in pending sewage mud to be carried out to the sorting of microcosmic, the present invention is arranged to sewage import higher than horizontal water distributor and tangential jetting head, utilize the shock action of sewage that water is penetrated from tangential jetting head, provide the enough power horizontally rotating not needing submarine mechanical to stir in angle of rake situation the sorting of carrying out microcosmic for mud, the sewage entering is fully mixed with mud, prevent sludge settling, save the energy, reduced cost.
The present invention adopts and passes into riser pipe the aeration mode that pressurized air replaces traditional aeration plane, pressurized air is incorporated in riser pipe, because aeriferous water proportion is less, impel sewage along riser pipe, up to flow together with gas, airborne oxygen is transferred in sewage simultaneously.Water (flow) direction outside riser pipe vertically downward, utilizes the vertical circulation of water that heavy-oxygen-enriched water is delivered under water.At water toward in dirty, the active sludge respiration consumption oxygen in filler, and then form the oxygen concentration gradient that oxygen concn reduces gradually in biochemistry pool body, in a certain degree of depth, oxygen concn equals zero, this process implementation nitrification and denitrification biochemical reaction.This kind of aeration mode can reduce bubble size, increase surface-area, oxygen is strengthened greatly to the transfer efficiency in liquid, because oxygen concn improves, strengthened the depth of penetration of oxygen in mud floc particle, aerobic microbiological proportion in flco is increased, sludge activity remains in higher level, thereby purification function is good, and the Filamentous Bulking causing due to anoxic can not occur yet, mud pellet is more solid, and sludge concentration improves greatly; The growth of nitrifier also can not be subject to the restriction of dissolved oxygen deficiency, is conducive to biological denitrification process, thereby reaches the object of strengthened denitrification.
Compared with the existing technology, tool has the following advantages in the present invention:
(1) the present invention utilizes the vertical circulation of waste water to coordinate with filler, forms in the vertical direction oxygen concentration gradient, is conducive to biological denitrificaion, thereby reaches the object of strengthened denitrification; Reduce energy consumption, improve oxygen transfer efficiency;
(2) sewage import is arranged to higher than horizontal water distributor and tangential jetting head, utilize the shock action of sewage that water is penetrated from tangential jetting head, the sorting of carrying out microcosmic for mud provides the enough power horizontally rotating, without adopting submarine mechanical to stir thruster, save the energy, reduced cost;
(3) the present invention is simple in structure, cost is low, and air-supply duct is directly stretched in riser pipe, during maintenance, only need take out air-supply duct, without entering in the body of pond, easy to maintenance; By baffle plate is set, avoid the stirring of heavy-oxygen-enriched water to sludge settling in addition, adopt baffle plate and the virtual settling tank of pool wall formation to complete the settlement action of mud, simple in structure, cost is low, suitable in sewage treatment area large-scale application;
(4) the present invention can process dissimilar sewage targetedly by controlling the height of riser pipe; If COD concentration is high in sewage, the degree of depth of riser pipe dark (height of riser pipe is relatively large); If NH in sewage
4 +concentration is high, and the depth as shallow of riser pipe some (height of riser pipe is relatively little), realizes one-object-many-purposes, meets the requirement that different sewage is processed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1 is water outlet, 2 is baffle plate, and 3 is stuffing frame, and 4 is riser pipe, and 5 is air-supply duct, and 6 is blower fan, 7 is water distributor, and 8 is jetting head, and 9 is mud discharging mouth, and 10 is sewage import, and 11 is filler, and 12 is water inlet pipe, 13 is biochemistry pool body, and A is aerobic zone, and B is oxygen-starved area, and C is anaerobic zone, and D is mud district.
Embodiment
Below in conjunction with accompanying drawing, further illustrate the present invention.
Referring to Fig. 1, biochemical sewage treatment device of the present invention, comprise air-supply duct 5, biochemistry pool body 13, be located at water outlet 1 and sewage import 10 on biochemistry pool body 13, biochemistry pool body 13 inner bottom parts form a back taper mud sorting eddy flow collection mud pit, this integrates mud pit as mud district D, after sludge settling, concentrate on D district, there is mud discharging mouth 9 at collection center, mud pit, top, collection mud pit is distributed with horizontal water distributor 7 and tangential jetting head 8, horizontal water distributor 7 is connected with sewage import 10 by water inlet pipe 12 with tangential jetting head 8, described sewage import 10 is located at the top of horizontal water distributor 7 and tangential jetting head 8.The vertical direction of biochemistry pool body 13 tops is provided with at least one riser pipe 4, and the below of riser pipe 4 is stretched in the outlet side of air-supply duct 5, and its inlet end leans out outside biochemistry pool body 13 and is connected with blower fan 6; Biochemistry pool body 13 is divided into aerobic zone A, oxygen-starved area B, anaerobic zone C from top to bottom, described water outlet 1 is located at the top of aerobic zone A and a little more than the upper end of riser pipe, biochemistry pool body 13 is interior is provided with baffle plate 2 near water outlet 1 place, baffle plate 2 is connected with biochemistry pool body 13 by support, because this kind of mode of connection is existing, so be not described in detail, baffle plate 2 is parallel with pool wall and extend along the surrounding of biochemistry pool body 13, and the top of baffle plate 2 is higher than the water outlet 1 on biochemistry pool body 13.
In the present invention, the tube spacing of riser pipe, its height and cross-sectional sizes can be set as required, preferably, the tube spacing of described riser pipe is 3m, and riser pipe cross-sectional area is with the cross-sectional area of biochemistry pool body than being 1:36, and the aspect ratio of the height of riser pipe and biochemistry pool body is 3:8.
Described aerobic zone A is provided with stuffing frame 3, and the height of stuffing frame accounts for 1/2 of biochemistry pool height.On stuffing frame, be distributed with filler, this filler is existing filler, and its material can be polypropylene.
The treatment process that adopts above-mentioned biochemical sewage treatment device, comprises the steps:
(1) sewage penetrates from tangential jetting head from sewage import enters horizontal water distributor under the effect of impulse force, drive inverted cone surface pool bottom sludge to do level rotary flow motion, and concentrate to collection center, mud pit, it is fast that the newer raw sludge of heavy aged mud is concentrated, to realize the microcosmic sorting discharge to mud;
(2) biochemistry pool body is segmented into aerobic zone, oxygen-starved area, anaerobic zone from top to bottom, and sewage rises to oxygen-starved area from anaerobic zone, then is entered after mixing with the pressurized air of air-supply duct outlet side behind aerobic zone and up flowed along riser pipe by oxygen-starved area;
(3) from riser pipe top, a part of water out refluxes, in aerobic zone, carry out vertical circulation, part water is at the bottom of after baffle plate stops, the mud in sewage is slipped to pond along pool wall, after the virtual settling tank that clear water forms through pool wall and baffle plate along pool wall rising from the water outlet outflow on body top, pond.
The air demand of above-mentioned air-supply duct is preferably 41-42m
3/ hour.
Embodiment
Biochemistry pool body 13 is tubular, and its diameter is 3m, is highly 8m; The vertical direction at biochemistry pool Ti center is inserted a riser pipe that diameter is 50cm, and the height of riser pipe is 3m; The height of the stuffing frame of biochemistry pool body top is 4m, and the upper end of riser pipe is a little more than the upper end of stuffing frame; The air demand of air-supply duct is 41-42m
3/ hour; The treatment capacity that biochemistry pool body is disposed of sewage is 10 m
3/ hour.COD 200mg/L the sewage entering from sewage import, NH
4 +20mg/L; After biochemical sewage treatment device of the present invention is processed, COD 60mg/L the water flowing out from water outlet, NH
4 +8mg/L, reaches discharging standards.
Claims (4)
1. a biochemical sewage treatment device, comprise air-supply duct, biochemistry pool body, be located at water outlet and sewage import on biochemistry pool body, biochemistry pool body inner bottom part forms a back taper mud sorting eddy flow collection mud pit, collection center, mud pit is provided with mud discharging mouth, top, collection mud pit is distributed with horizontal water distributor and the tangential jetting head being connected with sewage import
It is characterized in that described sewage import is located at the top of horizontal water distributor and tangential jetting head, the vertical direction of biochemistry pool body top is provided with at least one riser pipe, and the below of riser pipe is stretched in the outlet side of air-supply duct, and it is external that its inlet end leans out biochemistry pool;
Biochemistry pool body is divided into aerobic zone, oxygen-starved area, anaerobic zone from top to bottom, described water outlet is located at the top of aerobic zone, near water outlet, is provided with baffle plate in biochemistry pool body, baffle plate is parallel with pool wall and along the surrounding extension of biochemistry pool body, the top of baffle plate is higher than the water outlet of Chi Tishang;
The tube spacing of described riser pipe is 3m, and riser pipe cross-sectional area is with the cross-sectional area of biochemistry pool body than being 1:36, and the aspect ratio of the height of riser pipe and biochemistry pool body is 3:8;
The treatment process that adopts above-mentioned biochemical sewage treatment device, comprises the steps:
(1) sewage penetrates from tangential jetting head from sewage import enters horizontal water distributor under the effect of impulse force, drive inverted cone surface pool bottom sludge to do level rotary flow motion, and concentrate to collection center, mud pit, it is fast that the newer raw sludge of heavy aged mud is concentrated, to realize the microcosmic sorting discharge to mud;
(2) biochemistry pool body is segmented into aerobic zone, oxygen-starved area, anaerobic zone from top to bottom, and sewage rises to oxygen-starved area from anaerobic zone, then is entered after mixing with the pressurized air of air-supply duct outlet side behind aerobic zone and up flowed along riser pipe by oxygen-starved area;
(3) from riser pipe top, a part of water out refluxes, in aerobic zone, carry out vertical circulation, part water is at the bottom of after baffle plate stops, the mud in sewage is slipped to pond along pool wall, after the virtual settling tank that clear water forms through pool wall and baffle plate along pool wall rising from the water outlet outflow on body top, pond.
2. biochemical sewage treatment device according to claim 1, is characterized in that described aerobic zone is provided with stuffing frame, and the height of stuffing frame accounts for 1/2 of biochemistry pool height.
3. biochemical sewage treatment device according to claim 1, is characterized in that the inlet end of described air-supply duct is connected with blower fan.
4. biochemical sewage treatment device according to claim 1, the air demand that it is characterized in that described air-supply duct is 41-42m
3/ hour.
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| CN104445798B (en) * | 2013-12-10 | 2017-09-29 | 中国环境科学研究院 | Rectilinear sewage disposal device and method |
| CN104071896B (en) * | 2014-07-06 | 2015-07-22 | 太原大学 | Granule sludge and biological film coupled integrated sewage treatment method and treatment device suitable for same |
| CN111453843B (en) * | 2020-04-10 | 2022-08-16 | 苏州汇博龙环保科技有限公司 | Liftable oxygenation and anaerobic sludge digestion biochemical device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301673A (en) * | 1999-12-29 | 2001-07-04 | 孙复华 | Vertical sectional integrated waste water biochemical treatment method and device |
| CN203238094U (en) * | 2013-03-29 | 2013-10-16 | 江苏盛世水业发展有限公司 | Sewage biochemical treatment device |
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2013
- 2013-03-29 CN CN201310105335.5A patent/CN103183412B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301673A (en) * | 1999-12-29 | 2001-07-04 | 孙复华 | Vertical sectional integrated waste water biochemical treatment method and device |
| CN203238094U (en) * | 2013-03-29 | 2013-10-16 | 江苏盛世水业发展有限公司 | Sewage biochemical treatment device |
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