CN103601295B - A kind of biological rotating disk wastewater treatment equipment - Google Patents
A kind of biological rotating disk wastewater treatment equipment Download PDFInfo
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- CN103601295B CN103601295B CN201310554499.6A CN201310554499A CN103601295B CN 103601295 B CN103601295 B CN 103601295B CN 201310554499 A CN201310554499 A CN 201310554499A CN 103601295 B CN103601295 B CN 103601295B
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- rotating disk
- primary deposition
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- deposition case
- wastewater treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention discloses a kind of biological rotating disk wastewater treatment equipment, the multistage rotary type biological contactor that comprises primary deposition case, is communicated with described primary deposition case, final settling tank, the biosolids holder of being located at described primary deposition case and described final settling tank downside and reflux and the drive unit being communicated with described multistage rotary type biological contactor. The upper end of multistage rotary type biological contactor is positioned at the top of described primary deposition case, and lower end is positioned at the inside of described primary deposition case. The beneficial effect that the present invention has: can carry out just heavy pretreatment, aerobic, denitrification processing, post precipitation processing to sewage, can realize the stably reaching standard of BOD, COD in sewage, SS, ammonia nitrogen simultaneously. Treatment effect is good; And noiselessness, expense are low, saving resource, stable operation, simple and reliable, have good society and environmental benefit, and promoted extension is wide.
Description
Technical field
The present invention relates to sewage disposal device field, be specifically related to a kind of biological rotating disk wastewater treatment equipment.
Background technology
Biological rotating disk is a kind of biomembrance process treatment facility. Chief component has turning cylinder, rotating disk, waste waterTreatment trough and drive unit etc. Growth of microorganism also forms one deck biomembrane and is attached to disc surface, approximately40%~45% card (part below rotating shaft) is immersed in waste water, and the first half is open in atmosphere.When work, wastewater streams is crossed tank, and motor rotates rotating disk, and biomembrane is rotated and contacted with waste water with atmosphere, soaksWhile not having, adsorb the organic matter in waste water, when open, absorb the oxygen in atmosphere. The major advantage of biological rotating disk isPower consumption is low, capacity of resisting impact load is strong, convenient without returned sludge, management operating, be mainly used in waterMeasure less sewage plant stand, practice in recent years shows, biological rotating disk also can be for day output 200,000The large-scale wastewater treatment plant that ton is above, sends out at chemical fibre, petrochemical industry, printing and dyeing, leather and coal gas simultaneouslyThe Industrial Wastewater Treatment aspect of the industries such as raw station is all well used.
For reducing the efficiency of power consumption, cost saving and raising treatment facility of bio-disc system, nearOver year, biological rotating disk has had some new developments. According to type of drive, be mainly divided into driven by power biological rotating disk,Wind drive biological rotating disk, hydro powered biological rotating disk etc.; According to combination difference, can be divided into again with heavyThe biological rotating disk that builds jointly in pond, shallow lake, with the biological rotating disk of aeration tank combination, with the biological rotating disk of denitrification tank combination,With the biological rotating disk of hydrolysis acidification preprocessor, the oxygen filter tank combination of holding concurrently etc., also there is the life that some are novel simultaneouslyThing rotating disk is as helotisn rotating disk, unit type high-strength elastic packing smell-less biological turnplate etc. The concrete feelings that useCondition is depending on water quality, the water yield, place and processing requirements etc.
Facts have proved in a large number, biological rotating disk has unique advantage in sewage disposal. But existing biology turnsDish is an independent processing unit, must combine with other processing units; Not obvious in denitrification;Aging microbes flows out and causes water body suspension to increase with current simultaneously.
Summary of the invention
The object of the invention is for provide a kind of easy to use, floor space is little and stable, removeThe biological rotating disk wastewater treatment equipment that efficiency is high.
A kind of biological rotating disk wastewater treatment equipment, comprising: primary deposition case,
The multistage rotary type biological contactor that is communicated with described primary deposition case,
The final settling tank that is communicated with described multistage rotary type biological contactor,
Be located at described primary deposition case and described final settling tank downside biosolids holder and
Reflux and drive unit.
The upper end of multistage rotary type biological contactor is positioned at the top of described primary deposition case, and multistage rotary type is rawThe lower end of thing contactor is positioned at the inside of described primary deposition case.
As preferred technical scheme: the effluent trough that is provided with " V " font in described final settling tank.
As preferred technical scheme: described multistage rotary type biological contactor comprises several parallel arrangeRotating disk district, each described rotating disk district comprises rotating disk groove and several parallel being arranged in described rotating disk grooveCircular disc, the first half of described circular disc protrudes from the outside of described rotating disk groove.
As preferred technical scheme: described circular disc is network structure.
As preferred technical scheme: the material of described circular disc is in high density polyethylene (HDPE) or fiberglassAny one.
As preferred technical scheme: described drive unit is arranged on described final settling tank and described multistage turningBetween dynamic formula biological contactor, described drive unit comprises: motor, the reductor being connected with described motor,The minor sprocket, the hinge wheel of being located at described minor sprocket one side that are connected with described reductor, drive described minor sprocketThe rotating shaft of carrying out chain transmission and being connected with described hinge wheel axle with described hinge wheel.
As preferred technical scheme: described circular disc is connected with described rotating shaft axle.
As preferred technical scheme: described reflux is arranged on described multistage rotary type biological contactorThe rotating disk district of close described final settling tank on.
As preferred technical scheme: described reflux is arranged on close described first in described rotating disk districtThe side of the circular disc of settling tank.
As preferred technical scheme: described reflux comprises: be positioned at returning of described primary deposition case topReceive groove, be communicated with described accumulator tank and the weir canal of downward-sloping setting and several are arranged on described diskRecycling bin on sheet sidewall.
High density polyethylene (HDPE) (HighDensityPolyethylene, referred to as " HDPE ") is a kind of knotHigh, the nonpolar thermoplastic resin of crystalline substance degree. There is good resistance to great majority life and the spy of chemicals for industrial useProperty, and dielectric strength is high, and resistance to impact is good.
Fiberglass (FRP) is also called GRP, i.e. fiber-reinforced plastic refers generally to strengthen not with glass fibreSaturated polyester, epoxy resin and phenolic resin as matrix resin. Light weight is and hard, and non-conductive, mechanical strength is high, reclaimsUtilize less, corrosion-resistant, can replace steel manufacturing machine part and automobile, ship housing etc.
Sewage flows into from water inlet, carries out primary deposition in primary deposition case, and a part of impurity is first precipitated toIn the biosolids holder of primary deposition case downside; Water flows into multistage rotary type biological contactor again and gives birth toThing degraded, then flows in final settling tank, and the biosolids that sediment is sink to final settling tank downside storesIn device, water after treatment is finally discharged from delivery port. The water outlet of " V " font arranging in final settling tankGroove and delivery port are communicated with, and the effluent trough of " V " font can stop scum silica frost to leave final settling tank, enters oneStep has improved the cleannes that purify rear water. Biosolids holder timing labor cleaning once.
When circular disc rotates, recycling bin can be scooped out waste water after treatment also to accumulator tank, when this sewage fallsWhile entering in accumulator tank, it can be exposed in atmosphere, can fully contact and absorb fresh oxygen. Then dirtyWater by a narrow weir canal from a side of accumulator tank as waterfall, fall and with the dirt of primary deposition caseWater fully mixes, thereby introduces fresh dissolved oxygen and nitrifier in primary deposition case, and makes large portionDivide superfluous activated sludge to be re-circulated to primary deposition case. Therefore the position of reflux is near water inlet,Just enter the water with dissolved oxygen and nitrifier that the sewage of primary deposition case just can fall with reflux mixedClose, greatly improved the effect of sewage disposal.
The backflow water yield is recently definite according to refluxing, and the number of recycling bin is determined by the water yield that refluxes, therefore basisDifferent reflux ratios, the number of selection recycling bin that can be corresponding.
The beneficial effect that the present invention has:
Compared with prior art, the present invention is by first caisson, aerobe rotating disk treating apparatus, denitrification placeReason system, final settling tank, biosolids holder are organically incorporated into one. At the beginning of can carrying out sewageHeavy pretreatment, aerobic, denitrification processing, post precipitation processing, can realize simultaneously BOD in sewage,The stably reaching standard of COD, SS, ammonia nitrogen. Because first caisson is positioned over lower floor of rotating disk district, save a large amount of soils and makeWith area, capital construction investment and operating cost are low; The whole current of this device all rely on flow by gravity, soDo not need water pump and air blast, avoided complicated machinery and processing procedure, by biological rotating disk device itselfRotating shaft is rotated just can carry out the recovery of recirculation water, and recirculation water flows automatically in first caisson by accumulator tank and Yan QuOne side of water inlet, can reduce joint consumption greatly, and treatment effect is good; And noiselessness, expense are low, saving resource,Stable operation, simple and reliable, has good society and environmental benefit, and promoted extension is wide.
Brief description of the drawings
Fig. 1 is the structural representation of biological rotating disk wastewater treatment equipment of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the side-looking structural representation in primary deposition case and rotating disk district in Fig. 1;
Fig. 4 is that the A-A of Fig. 1 is to structural representation.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not only limited toIn embodiment.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of biological rotating disk wastewater treatment equipment, comprises firstSettling tank 1, multistage rotary type biological contactor 2, final settling tank 10, biosolids memory 16, returnStream device 9 and drive unit.
Primary deposition case 1 is communicated with multistage rotary type biological contactor 2, final settling tank 10 and multistage turningDynamic formula biological contactor 2 is communicated with, and a side of primary deposition case 1 is provided with water inlet 17, and water inlet 17 is establishedPut the position near final settling tank 10 on primary deposition case 1, on final settling tank 10, be provided with water outletMouth 18. Sewage flows into from water inlet 17, carries out primary deposition, a part of impurity in primary deposition case 1First be precipitated in the biosolids holder 16 of primary deposition case 1 downside; It is raw that water flows into multistage rotary type againThing contactor 2 carries out biodegradation, then flows in final settling tank 10, and sediment is sink to final precipitationIn the biosolids holder 16 of case 10 downsides, water after treatment is finally discharged from delivery port 18. AndThe effluent trough that is provided with " V " font in final settling tank 10, this effluent trough and delivery port 18 are communicated with,The effluent trough of " V " font can stop scum silica frost to leave final settling tank 10, has further improved and has purified rear waterCleannes. Every 9 months labor cleanings of biosolids holder 16 once.
The upper end of multistage rotary type biological contactor 2 is positioned at the top of primary deposition case 1, and lower end is positioned at for the first timeThe inside of settling tank 1. Multistage rotary type biological contactor 2 comprises several parallel rotating disk districts arranging, and turnsThe quantity in panel can increase or reduce according to actual conditions, in the present embodiment, always has 5 rotating disk districts.Each rotating disk district comprises rotating disk groove 11 and several parallel circular discs 12 being arranged in rotating disk groove 11,The first half of circular disc 12 protrudes from the outside of rotating disk groove 11. In fact, multistage rotary type biologicalThe latter half of device 2 is immersed in the inside of primary deposition case 1, and the first half is exposed, rotating disk groove 11For semicircular groove shape structure and be immersed in the inside of primary deposition case 1, therefore, circular circular disc 12The latter half be also immersed in primary deposition case 1 inside, the first half is exposed.
Circular disc 12 is network structure, than level and smooth or undulatory rotating disk, can provide larger effective contactArea. And the material of circular disc 12 is any one in high density polyethylene (HDPE) or fiberglass, insulating propertiesCan be good, corrosion-resistant again, what the present embodiment adopted is high density polyethylene (HDPE).
Drive unit is arranged between final settling tank 10 and multistage rotary type biological contactor 2, drivesDevice comprises motor 4, reductor 3, minor sprocket 7, hinge wheel 6, chain 8 and rotating shaft 5.
Reductor 3 is connected with motor 4, and minor sprocket 7 is connected with reductor 3, and hinge wheel 6 is located at minor sprocketA side of 7, chain 8 drives minor sprocket 7 and hinge wheel 6 to carry out chain transmission, rotating shaft 5 and hinge wheel 6 axlesConnect. Motor 4 drives minor sprocket 7 to rotate by reductor 3, continues to drive hinge wheel 7 by chain 8Rotate, finally drive rotating shaft 5 to rotate. In addition, all circular discs 12 are all connected with rotating shaft 5 axles, turnThe rotation of axle 5 also can drive circular disc 12 to rotate.
Reflux 9 is arranged in rotating disk district, and quantity can increase and can subtract, and in the present embodiment, only has a backflowDevice 9, this reflux 9 is arranged on the close final settling tank 10 on multistage rotary type biological contactor 2Rotating disk district on, and be arranged on the side of the circular disc 12 of the close primary deposition case 1 in this rotating disk district.
Reflux 9 comprises accumulator tank 14, weir canal 15 and several recycling bins 13.
Accumulator tank 14 is positioned at the top of primary deposition case 1, and weir canal 15 is that cross section is the rectangular steel of groove type,It is channel-section steel. Weir canal 15 is communicated with and downward-sloping setting with accumulator tank 14, and recycling bin 13 is arranged on circular discOn 12 sidewall, the quantity of recycling bin 13 can increase and can subtract, and the number of recycling bin 13 determined by the water yield that refluxes,The backflow as required of the backflow water yield is recently determined. In the time that rotating shaft 5 drives circular disc 12 to rotate, recycling bin13 also can rotate around rotating shaft 5, and recycling bin 13 is scooped out waste water after treatment and is poured onto in accumulator tank 14, whenThis sewage falls into accumulator tank 14, and it can be exposed in atmosphere, can fully contact and absorb fresh oxygenGas. Then sewage falls and with just from a side of accumulator tank 14 by the groove on weir canal 15 as waterfallThe sewage of inferior settling tank 1 fully mixes, thus to the fresh dissolved oxygen of the interior introducing of primary deposition case 1 andNitrifier, and make most of superfluous activated sludge be re-circulated to primary deposition case 1. Reflux 9Position is near water inlet 17, and the sewage that therefore just entered primary deposition case 1 just can fall with reflux 9Water with dissolved oxygen and nitrifier mixes, and has greatly improved the effect of sewage disposal.
Finally it should be noted that: above embodiment is only also unrestricted described in the invention in order to the present invention to be describedTechnical scheme, therefore, although this description has carried out the present invention with reference to each above-mentioned embodiment in detailThin explanation, still, those of ordinary skill in the art should be appreciated that still and can repair the present inventionChange or be equal to replacement, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it is equalShould be encompassed in claim scope of the present invention.
Claims (7)
1. a biological rotating disk wastewater treatment equipment, is characterized in that:
Comprise primary deposition case (1),
The multistage rotary type biological contactor (2) that is communicated with described primary deposition case (1),
The final settling tank (10) that is communicated with described multistage rotary type biological contactor (2),
The biosolids of being located at described primary deposition case (1) and described final settling tank (10) downside storesDevice (16) and
Reflux (9) and drive unit,
The upper end of described multistage rotary type biological contactor (2) is positioned at the top of described primary deposition case (1),The lower end of described multistage rotary type biological contactor (2) is positioned at the inside of described primary deposition case (1);
Described reflux (9) be arranged on described multistage rotary type biological contactor (2) near described inIn the rotating disk district of final settling tank (10); Described reflux (9) is arranged on leaning in described rotating disk districtThe side of the circular disc (12) of nearly primary deposition case (1);
Described reflux (9) comprising: be positioned at described primary deposition case (1) top accumulator tank (14),Be communicated with described accumulator tank (14) and the weir canal (15) of downward-sloping setting and several are arranged on instituteState the recycling bin (13) on circular disc (12) sidewall.
2. biological rotating disk wastewater treatment equipment according to claim 1, is characterized in that: describedIn whole settling tank (10), be provided with the effluent trough of " V " font.
3. biological rotating disk wastewater treatment equipment according to claim 2, is characterized in that: described manyLevel rotary type biological contactor (2) comprises several parallel rotating disk districts arranging, and described rotating disk district comprises and turningDish groove (11) and several parallel circular discs (12) being arranged in described rotating disk groove (11), described inThe first half of circular disc (12) protrudes from the outside of described rotating disk groove (11).
4. biological rotating disk wastewater treatment equipment according to claim 3, is characterized in that: described circleDisc (12) is network structure.
5. biological rotating disk wastewater treatment equipment according to claim 4, is characterized in that: described circleThe material of disc (12) is any one in high density polyethylene (HDPE) or fiberglass.
6. biological rotating disk wastewater treatment equipment according to claim 3, is characterized in that: described in driveMoving device is arranged between described final settling tank (10) and described multistage rotary type biological contactor (2),Described drive unit comprises: motor (4), the reductor (3) being connected with described motor (4), with described inThe minor sprocket (7) that reductor (3) connects, the hinge wheel (6) of being located at described minor sprocket (7) one sides, bandMoving described minor sprocket (7) carries out chain transmission (8) with described hinge wheel (6) and with described largeThe rotating shaft (5) that sprocket wheel (6) axle connects.
7. biological rotating disk wastewater treatment equipment according to claim 6, is characterized in that: described circleDisc (12) is connected with described rotating shaft (5) axle.
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CN201310554499.6A CN103601295B (en) | 2013-11-11 | 2013-11-11 | A kind of biological rotating disk wastewater treatment equipment |
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CN201310554499.6A CN103601295B (en) | 2013-11-11 | 2013-11-11 | A kind of biological rotating disk wastewater treatment equipment |
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CN103601295B true CN103601295B (en) | 2016-05-11 |
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CN112279465A (en) * | 2020-10-21 | 2021-01-29 | 江西金海环保设备有限公司 | Domestic sewage distributed biological integrated treatment equipment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86208402U (en) * | 1986-12-10 | 1987-12-12 | 宜兴县高塍建筑环保设备工业公司 | Effluent treating device |
CN2076546U (en) * | 1990-11-05 | 1991-05-08 | 航空航天部航空工业规划设计研究院 | Sewage treatment device having new bio-disc |
CN2793064Y (en) * | 2005-03-09 | 2006-07-05 | 哈尔滨工业大学环保科技股份有限公司 | Netted biological rotary disks |
CN2811274Y (en) * | 2005-03-22 | 2006-08-30 | 胡培铎 | Helotism biological disc |
CN203807239U (en) * | 2013-11-11 | 2014-09-03 | 上海逸清环保工程设备有限公司 | Biological rotating disc wastewater treatment device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005177695A (en) * | 2003-12-22 | 2005-07-07 | Nishihara Neo Co Ltd | Wastewater treatment system |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86208402U (en) * | 1986-12-10 | 1987-12-12 | 宜兴县高塍建筑环保设备工业公司 | Effluent treating device |
CN2076546U (en) * | 1990-11-05 | 1991-05-08 | 航空航天部航空工业规划设计研究院 | Sewage treatment device having new bio-disc |
CN2793064Y (en) * | 2005-03-09 | 2006-07-05 | 哈尔滨工业大学环保科技股份有限公司 | Netted biological rotary disks |
CN2811274Y (en) * | 2005-03-22 | 2006-08-30 | 胡培铎 | Helotism biological disc |
CN203807239U (en) * | 2013-11-11 | 2014-09-03 | 上海逸清环保工程设备有限公司 | Biological rotating disc wastewater treatment device |
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