CN203238094U - Sewage biochemical treatment device - Google Patents
Sewage biochemical treatment device Download PDFInfo
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- CN203238094U CN203238094U CN 201320149038 CN201320149038U CN203238094U CN 203238094 U CN203238094 U CN 203238094U CN 201320149038 CN201320149038 CN 201320149038 CN 201320149038 U CN201320149038 U CN 201320149038U CN 203238094 U CN203238094 U CN 203238094U
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- pool body
- biochemistry pool
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Abstract
The utility model relates to a sewage biochemical treatment device. The sewage biochemical treatment device comprises an air supply pipe, a biochemical pool body, a water outlet and a sewage inlet, wherein the water outlet and the sewage inlet are formed in the biochemical pool body, an inverted-cone sludge sorting rotational flow mud collecting pit is formed in the bottom in the biochemical pool body, and the center of the mud collecting pit is provided with a mud discharging port; a horizontal water distributing pipe and tangential water spraying heads, which are connected with the sewage inlet, are distributed above the mud collecting pit, the sewage inlet is arranged above the horizontal water distributing pipe and the tangential water spraying heads, and at least one liquid lifting pipe is arranged above the biochemical pool body in the vertical direction; an air outlet end of the air supplying pipe stretches to be lower side of the liquid lifting pipe, and an air inlet end of the air supplying pipe stretches out of the biochemical pool body; and the biochemical pool body is divided into an aerobic zone, an anoxic zone and an anaerobic zone front top to bottom, wherein the water outlet is arranged above the aerobic zone, a position, which approaches to the water outlet, in the biochemical pool body is provided with a baffle, and the top of the baffle is higher than the water outlet of the pool body. The sewage biochemical treatment device provided by the utility mode has the characteristics that the process is simple, the cost is low, and the energy consumption can be saved.
Description
Technical field
The utility model belongs to sewage treatment area, is specifically related to a kind of biochemical sewage treatment device.
Background technology
In recent years, China's town sewage processing rate improves constantly, but the body eutrophication problem that is caused by nitrogen and phosphorus pollution not only is not resolved, and day by day serious trend is arranged.Therefore the aggravation of body eutrophication problem has proposed strict requirement to the removal of nitrogen, phosphorus, and as seen, 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 the nitrogen and phosphorus pollution thing in the facility removal sewage, to reach the emission standard of national regulation, newly-built sewage work then must build according to new standard.For denitrification dephosphorization technique, demand for development from now on not only is 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 is in the dispersion 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 get 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.
At present vertical fragmentation integral biological treatment process research seldom, existing waste water biochemical treatment method and device mostly are the horizontal fragmentation in the space, and topmost have traditional activated sludge process and a distortion thereof: A-O method, A-A-O method, A-B method, various oxidation ditches etc. add the second pond water outlet; The SBR method is time slice, and different effects is played in different time response ponds; The 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, namely wait for after sludge settling goes down supernatant liquor is discharged, often slow because of sludge settling speed, 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 was lacked, is saved the area, reduces energy consumption, reduces cost with its sewage disposal time, guaranteed simultaneously the high quality continuous effluent and was used.
The multiple grey hair of grandson understands a cover vertical sectional integrated waste water biochemical treatment method and corresponding device.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, the aeration plane makes biochemistry pool be segmented into anaerobism, aerobic, the 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 zone of aeration tube rise to is carried out aerobic aeration, stop that through annular 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 the inverted cone surface at the bottom of the pond play swirler carries out microcosmic to mud sorting by the tangential jetting of bottom level, the required power that horizontally rotates of sorting comes from the function into water, in case of necessity, need add submarine mechanical and stir thruster, generally, it is inadequate depending merely on and providing the required power that horizontally rotates of sorting into the function of water, need to add submarine mechanical and stir thruster and can guarantee the power that horizontally rotates; The device that adopts of this technique both had been provided with secondary sedimentation basins in addition, 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.
The utility model content
The utility model is to provide the biochemical sewage treatment device that a kind of technique is simple, cost is low and can energy efficient.
Concrete technical scheme of the present utility model 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 the 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 that is connected with the 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; The 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, is provided with baffle plate near water outlet in the biochemistry pool body, baffle plate and along biochemistry pool body around extension parallel with pool wall, the top of baffle plate is higher than the water outlet of Chi Tishang.
The tube spacing of riser pipe, its height and cross-sectional sizes can be set as required in the utility model, preferably, the tube spacing of described riser pipe is 3m, and the riser pipe cross-sectional area is 1:36 with the cross-sectional area ratio of biochemistry pool body, and the aspect ratio of the height of riser pipe and biochemistry pool body is 3:8.The height of riser pipe can be selected according to the characteristics of sewage in the utility model, when the height of riser pipe is large, can insert the biochemistry pool body than the depths, it is strong that process the COD ability this moment, when the height of riser pipe hour, can insert the more shallow place of biochemistry pool body, process NH this moment
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 the aerobe carrier, and the material of described filler is polypropylene.Adopt the polypropylene material of high-quality, it is non-degradable to be immersed in for a long time waste water, also can be to the toxic effect of microorganism; Filler is located on the stuffing frame and is suspended in the water, and the change of sewage quality and the water yield is had preferably adaptive faculty; It is convenient to change, long service life.
The inlet end of described air-supply duct is connected with blower fan.
Adopt the process method step of above-mentioned biochemical sewage treatment device as follows:
(1) sewage penetrates from tangential jetting head under the effect of impulse force after the sewage import enters horizontal water distributor, drive the inverted cone surface pool bottom sludge and do the level rotary flow motion, and concentrated to collection center, mud pit, it is fast that the newer raw sludge of heavy aged mud is concentrated, to realize the microcosmic sorting discharging to mud;
(2) the biochemistry pool body is segmented into aerobic zone, oxygen-starved area, anaerobic zone from top to bottom, and sewage rises to the oxygen-starved area from anaerobic zone, is entered behind the aerobic zone by the oxygen-starved area and up flows along riser pipe after mixing with the pressurized air of air-supply duct outlet side;
(3) out a part of water refluxes from the riser pipe top, carry out vertical circulation at aerobic zone, part water is at the bottom of the mud in the sewage is slipped to the pond along pool wall after baffle plate stops, clear water is along the water outlet outflow from body top, pond behind the virtual settling tank that pool wall and baffle plate form of pool wall rising.
The utility model makes the inverted cone surface at the bottom of the pond play swirler carries out microcosmic to mud sorting by bottom level water distributor and tangential jetting head horizontal tangential jetting in pending sewage, the utility model is arranged to be higher than horizontal water distributor and tangential jetting head with the sewage import, utilize the shock action of sewage that water is penetrated from tangential jetting head, provide the enough power that horizontally rotates not needing submarine mechanical to stir in the angle of rake situation sorting of carrying out microcosmic for mud, the sewage that enters is fully mixed with mud, prevent sludge settling, carry out up hill and dale biological degradation and nitration reaction; Save the energy, reduced cost.
The utility model adopts to riser pipe and passes into the aeration mode that pressurized air replaces traditional aeration plane, pressurized air is incorporated in the riser pipe, because aeriferous water proportion is less, impel sewage up to flow along riser pipe with gas, airborne oxygen is transferred in the sewage simultaneously.Water (flow) direction outside the riser pipe utilizes the vertical circulation of water that heavy-oxygen-enriched water is delivered under water vertically downward.At water in dirty, the active sludge respiration consumption oxygen in the filler, and then in the biochemistry pool body, form the oxygen concentration gradient that oxygen concn reduces gradually, in a certain degree of depth, oxygen concn equals zero.This process implementation the nitrification and denitrification biochemical reaction, be conducive to biological denitrification process, thereby reach the purpose of strengthened denitrification.
The utility model is compared with prior art, has following advantage:
(1) the utility model utilizes the vertical circulation of waste water to cooperate with filler, forms in the vertical direction oxygen concentration gradient, is conducive to biological denitrificaion, thereby reaches the purpose of strengthened denitrification; Reduce energy consumption, improve oxygen transfer efficiency;
(2) the sewage import is arranged to be 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 that horizontally rotates, need not to adopt submarine mechanical to stir thruster, save the energy, reduced cost;
(3) the utility model is simple in structure, cost is low, and air-supply duct is directly stretched in the riser pipe, only need take out air-supply duct during maintenance and get final product, and need not to enter in the body of pond, and is easy to maintenance; By baffle plate is set, avoid heavy-oxygen-enriched water to the stirring of sludge settling in addition, the virtual settling tank that adopts baffle plate and pool wall to form is finished the settlement action of mud, and simple in structure, cost is low, and large-scale application in sewage treatment area suits;
(4) the utility model can be processed dissimilar sewage targetedly by the height of control riser pipe; If COD concentration height in the sewage, the then degree of depth of riser pipe dark (height of riser pipe is relatively large); If NH in the sewage
4 +Concentration is high, and then the depth as shallow of riser pipe some (height less of riser pipe) realizes one-object-many-purposes, satisfies the requirement that different sewage is processed.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein: 1 is water outlet, and 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 the jetting head, and 9 is mud discharging mouth, and 10 is the sewage import, and 11 is filler, and 12 is water inlet pipe, 13 is the biochemistry pool body, and A is aerobic zone, and B is the oxygen-starved area, and C is anaerobic zone, and D is the mud district.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, biochemical sewage treatment device of the present utility model, comprise air-supply duct 5, biochemistry pool body 13, be located at water outlet 1 and sewage import 10 on the biochemistry pool body 13, biochemistry pool body 13 inner bottom parts form a back taper mud sorting eddy flow collection mud pit, this integrates the mud pit as mud district D, concentrate on the D district behind the sludge settling, 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 be connected jetting head 8 and be connected with sewage import 10 by water inlet pipe 12, described sewage import 10 is located at horizontal water distributor 7 and the tangential top of 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 the 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 interior close water outlet 1 places are provided with baffle plate 2, baffle plate 2 is connected with biochemistry pool body 13 by support, because this kind mode of connection is existing, so be not described in detail, baffle plate 2 is parallel with pool wall and extend around biochemistry pool body 13, and the top of baffle plate 2 is higher than the water outlet 1 on the biochemistry pool body 13.
The tube spacing of riser pipe, its height and cross-sectional sizes can be set as required in the utility model, preferably, the tube spacing of described riser pipe is 3m, and the riser pipe cross-sectional area is 1:36 with the cross-sectional area ratio of biochemistry pool body, 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.Be distributed with filler on the stuffing frame, this filler is existing filler, and its material can be polypropylene.
Adopt the treatment process of above-mentioned biochemical sewage treatment device, comprise the steps:
(1) sewage penetrates from tangential jetting head under the effect of impulse force after the sewage import enters horizontal water distributor, drive the inverted cone surface pool bottom sludge and do the level rotary flow motion, and concentrated to collection center, mud pit, it is fast that the newer raw sludge of heavy aged mud is concentrated, to realize the microcosmic sorting discharging to mud;
(2) the biochemistry pool body is segmented into aerobic zone, oxygen-starved area, anaerobic zone from top to bottom, and sewage rises to the oxygen-starved area from anaerobic zone, is entered behind the aerobic zone by the oxygen-starved area and up flows along riser pipe after mixing with the pressurized air of air-supply duct outlet side;
(3) out a part of water refluxes from the riser pipe top, carry out vertical circulation at aerobic zone, part water is at the bottom of the mud in the sewage is slipped to the pond along pool wall after baffle plate stops, clear water is along the water outlet outflow from body top, pond behind the virtual settling tank that pool wall and baffle plate form of pool wall rising.
Embodiment
Claims (4)
1. biochemical sewage treatment device, comprise air-supply duct, biochemistry pool body, be located at water outlet and sewage import on the 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 that is connected with the 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;
The 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, is provided with baffle plate near water outlet in the biochemistry pool body, baffle plate and along biochemistry pool body around extension parallel with pool wall, the top of baffle plate is higher than the water outlet of Chi Tishang.
2. biochemical sewage treatment device according to claim 1, the tube spacing that it is characterized in that described riser pipe is 3m, and the cross-sectional area of riser pipe cross-sectional area and biochemistry pool body is than being 1:36, and the aspect ratio of the height of riser pipe and biochemistry pool body is 3:8.
3. biochemical sewage treatment device according to claim 1 and 2 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.
4. 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149038 CN203238094U (en) | 2013-03-29 | 2013-03-29 | Sewage biochemical treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149038 CN203238094U (en) | 2013-03-29 | 2013-03-29 | Sewage biochemical treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238094U true CN203238094U (en) | 2013-10-16 |
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ID=49315413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320149038 Withdrawn - After Issue CN203238094U (en) | 2013-03-29 | 2013-03-29 | Sewage biochemical treatment device |
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| Country | Link |
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| CN (1) | CN203238094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183412A (en) * | 2013-03-29 | 2013-07-03 | 江苏盛世水业发展有限公司 | Biochemical treatment device for sewage and treatment method thereof |
-
2013
- 2013-03-29 CN CN 201320149038 patent/CN203238094U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183412A (en) * | 2013-03-29 | 2013-07-03 | 江苏盛世水业发展有限公司 | Biochemical treatment device for sewage and treatment method thereof |
| CN103183412B (en) * | 2013-03-29 | 2014-12-10 | 江苏盛世水业发展有限公司 | Biochemical treatment device for sewage and treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20141210 |
|
| RGAV | Abandon patent right to avoid regrant |