CN1285519C - Rotating cage type floating stuffing biological sewage treatment method and equipment thereof - Google Patents
Rotating cage type floating stuffing biological sewage treatment method and equipment thereof Download PDFInfo
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- CN1285519C CN1285519C CNB2004100776112A CN200410077611A CN1285519C CN 1285519 C CN1285519 C CN 1285519C CN B2004100776112 A CNB2004100776112 A CN B2004100776112A CN 200410077611 A CN200410077611 A CN 200410077611A CN 1285519 C CN1285519 C CN 1285519C
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- rotating cage
- sewage
- cage body
- floating stuffing
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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 present invention relates to a technology for water treatment, particularly to a rotating cage type suspended stuffing biological sewage treatment method and equipment thereof. The equipment comprises a center shaft, a rotating cage, an inner blade, an outer blade, suspended stuffing, a bearing, a bearing cover plate and a stuffing putting window cover plate, wherein rotating pair connection is formed between the center shaft and the rotating cage by the bearing; the bearing is positioned by the bearing cover plate and screws; the suspended stuffing is filled into the rotating cage by a stuffing putting window on the end surface of the rotating cage; the outer blade and the inner blade are connected with the circumference wall of the rotating cage by screw bolts. The outer blade of the rotating cage is pushed by sewage entering flow to drive the rotating cage to rotate. Sewage is mixed with the suspended stuffing and central aerated air flow to form the even fluidized state of air, solid and liquid under the action of the inner blade of the rotating cage. The sewage sufficiently contacts with biological membrane and the aerated air flow on the stuffing, and organic pollutants in water are biodegraded and oxidated to be decomposed by air flow so that the sewage is purified. The present invention has the advantages of high efficiency of sewage treatment, energy saving and low cost for operation and management.
Description
Technical field
The present invention relates to water technology, be meant a kind of rotating cage type floating stuffing biological sewage treatment method and device thereof more specifically.
Background technology
Blodisc is one of existing biological sewage treatment important device, but traditional blodisc technology comes with some shortcomings in actual applications, and is little as the disc specific surface area, processing efficiency is low etc.The patent No. is that 97242354.0 Chinese patent discloses a kind of waste disposal plant with biological drum (drum) of weighting material, traditional blodisc is improved, biological drum (drum) structure that charges are arranged in the employing has had raising significantly at aspects such as processing efficiency, manufacturings.But some shortcomings are arranged, and 1. rely on rotating cylinder (drum) to produce the water surface and air contact aeration, aeration efficient is lower; 2. rotating cylinder (drum) is for partly soaking mode of operation, and microbial film is restricted with the sewage amount of contact, and processing efficiency is also corresponding to be restricted; 3. periphery does not have blade, needs drive unit to drive consumes energy.
Application number is that 03128090.0 Chinese patent application discloses the method and apparatus that a kind of three-phase biological fluidized bed reactor is disposed of sewage, also be a kind of important method and the device in the existing biological sewage treatment, but the deficiency that existing three-phase fluidization bed technique exists in application is: only rely on the castering action of air-flow and current to reach the fluidized of gas-solid liquid in the reactor, the fluidisation kenel is wayward.
Summary of the invention
The objective of the invention is to the shortcoming that exists at prior art, provide a kind of center force aeration, microbial film long-pending greatly with water engaging surface, can rely on that hydrodynamic(al) can drive, fluidized is good and manageable rotating cage type floating stuffing biological sewage treatment method and device thereof.
Technical scheme of the present invention is as follows:
A kind of rotating cage type floating stuffing biological sewage treatment method is characterized in that: the sewage feed water flow promotes the outer leafs of rotating cage, drives the rotating cage body and rotates; Sewage from the perforate of the circumferential curved surface of rotating cage that is filled with floating stuffing enters mixes with the air-flow of floating stuffing, center aeration, forms the fluidized of even gas, solid, liquid under the effect of rotating cage intra vane; Naturally the microbial film that generates on sewage and the filler, aeration stream fully contact, and organic pollutant and then is purified sewage by biological degradation and airflow oxygenolysis in the water.
Realize the device of above-mentioned rotating cage type floating stuffing biological sewage treatment method, it is characterized in that: it comprises that central shaft, rotating cage body, interior outer leafs, floating stuffing, aeration go into pipe, bearing and bearing cover; Circumferentially have the central shaft of micropore on the curved surface, form revolute pair by bearing and rotating cage body and connect, bearing relies on bearing cover and screw location, the end sealing of central shaft, and an end leaves gas inlet, is fixed with aeration at the gas inlet place and goes into pipe; Have the window that feeds intake of floating stuffing on the one end end face of rotating cage body, have the prosopyle on the rotating cage body peripheral curved surface; Outer leafs connects with the outer circumferential wall of rotating cage body by bolt respectively with intra vane, also can be unified into integral body and rotating cage sports association and connect.
Having micropore on the central shaft circumferential surface is the passage of air admission rotating cage body, and percentage of open area is in 45～60% scope, and central shaft and bearing rely on the shaft shoulder on the axle to realize axial location.
The prosopyle that rotating cage body peripheral curved surface is offered be shaped as circular hole or elliptical aperture or square hole, percentage of open area remains in 75～90% the scope, to guarantee enough flow areas, is convenient to sewage and fully enters in the rotating cage body and contact with floating stuffing.
Intra vane is processed into plane or curved surface, and its number is in 6～10 scopes, and its height is regulated according to the needs that the inner floating stuffing of rotating cage body stirs, and is 0.1～0.3 times of rotating cage body radius.
Outer leafs is processed into streamlined curved surface or V-type face, and its number determines according to the needs that drive rotating cage, and in 6～10 scopes, its height is according to the flow velocity adjustment, is 0.3～0.5 times of rotating cage body 5 radiuses.
Floating stuffing is the bio-carrier that has certain physical strength, adapts to the reinforcement stirring, is filled in the rotating cage body, and packing fraction is 45～55% of a rotating cage body bulk.
During use, one or more rotating cage reactor sequences can be fitted together and carry out sewage disposal.
The water treatment principle and the process of apparatus of the present invention are as follows: floating stuffing is the bio-carrier that a kind of proportion is slightly smaller than the high-specific surface area of water, and various microorganisms comprise that indigenous microorganism can adhere to and breed, and forms muciform microbial film thereon.Along with biomembranous thickness increases, forming internal layer is that anaerobic layer and skin are aerobic layer bonded microbial film.The aerobic and anaerobic zone with center aeration direction formation gradient of while inside reactor, the microenvironment that the sewage disposal that causes a nitrification and denitrification to carry out is synchronously reacted.When the sewage current enter in the rotating cage reactor from the perforate on circumferential curved surface, when microbial film on the floating stuffing contacts, carrying out organism, O between microbial film and sewage, the air
2, CO
2, NH
3Deng transmission.Organism in the microorganism absorption sewage, and rapid degradation of organic substances, and then reach the effect of removing water pollutant.Air promoting reactor inner suspension filler fluidizing simultaneously, directly promotes organic oxygenolysis, intensifying treatment effect by the central shaft aeration.
Because rotating cage rotates, intra vane stirring suspension filler, and the result of the gas lift of center aeration and impact floating stuffing, accelerated coming off of biomembranous old film on the floating stuffing, form good homogeneous at inside reactor and mix fluidized state, make the interior biological activity of reactor be in vigorous state all the time, thereby reach the effect of efficiently disposing of sewage.
The present invention compared with prior art has following advantage:
The advantage that the present invention has the efficient height of disposing of sewage, saves the energy, operational and administrative expenses is low, concrete division is as follows:
(1) be used for the rotating cage type biological treatment device inner filling floating stuffing of water treatment, floating stuffing is the three-dimensional structure of high-specific surface area, high porosity, makes the natural membrane time shorten more than 7 days.
(2) floating stuffing of treatment unit inner filling is long-pending bigger in the biofilm rear surface, and sewage and biomembranous contact area are big, and organic matter degradation rate is fast in the water.
(3) blade is according to the ydrodynamics principle design, and for streamlined, this shape has guaranteed that rotating cage can orientation rotate under flow action, reach the effect of utilizing water flow dynamic energy to drive, can not consume other energy; Do not need special management during operation, working cost is low.
(4) blade of rotating cage body inside circumference stirring suspension filler and current, air-flow when rotating makes the fluidised form of device inside more even, keeps the microorganism of floating stuffing each several part to be in the vigorous state of efficiently disposing of sewage all the time.
(5) microbial film can utilize the indigenous microorganism in this waters on the floating stuffing in the treatment unit, does not need to cultivate and introduce external superior microorganism, can not destroy the eubiosis in this waters and cause ecological risk.
(6) excess sludge that produces in the reactor is directly discharged reactor by the perforate of rotating cage body periphery, can not cause filler to stop up, without back flushing.
Description of drawings
Fig. 1 is the structural representation of rotating cage type floating stuffing biological waste disposal plant;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of central shaft.
Fig. 4 is the structural representation of rotating cage body.
Fig. 5 is the structural representation of streamlined outer leafs.
Fig. 6 is the structural representation of flush type intra vane.
Fig. 7 is the fundamental diagram of rotating cage type floating stuffing biological waste disposal plant.
Fig. 8 is the structural representation of V-type outer leafs.
Embodiment
The present invention is described in further detail by following embodiment and accompanying drawing.But embodiments of the present invention are not limited thereto.
As shown in Figure 1 and Figure 2, the rotating cage type floating stuffing biological waste disposal plant is gone into pipe 3, central shaft 4, rotating cage body 5, outer leafs 6, bearing 7, bearing cover 8, the window cover plate 9 that feeds intake by floating stuffing 1, intra vane 2, aeration and is formed.Central shaft 4 has the shaft shoulder 10 of axial location bearing as shown in Figure 3 on its peripheral curved surface, and has micropore 11, and percentage of open area is 47%; The one end sealing of central shaft 4, an end leaves gas inlet 12, is fixed with aeration at gas inlet 12 places and goes into pipe 3; Central shaft 4 constitutes revolute pair by bearing 7 with rotating cage body 5 and connects, and bearing 7 relies on bearing cover 8 and screw location.Rotating cage body 5 has prosopyle 13 as shown in Figure 4 on its peripheral curved surface, present embodiment is a square opening, and percentage of open area is 85%, the one end side surface window 14 that feeds intake, and adopts window cover plate 9 sealings that feed intake, and there is dead eye 15 at the center at two ends.As shown in Figure 5 streamlined of outer leafs 6 shapes highly is 0.4 times of rotating cage body radius; Intra vane 2 shapes flush type as shown in Figure 6 highly is 0.2 times of rotating cage body radius; The bottom surface of intra vane 2 and outer leafs 6 has open holes 16, and connects by open holes 16 and bolt and rotating cage sports association respectively; Intra vane 2 is 6 with the number of outer leafs 6.Floating stuffing 1 is fills up to the rotating cage body 5 from the window 14 that feeds intake of rotating cage body 5, and its packing fraction is 50% of a rotating cage body bulk, and floating stuffing 1 is selected light ceramic for use.
As shown in Figure 7, prosopyle 13 from the circumferential curved surface of the rotating cage that is filled with floating stuffing 1 enters the sewage water inlet current 17 the rotating cage body 5, mix with the air-flow of floating stuffing 1, center aeration, under 2 effects of rotating cage intra vane, form the fluidized of even gas, solid, liquid, naturally the microbial film that generates on sewage and the floating stuffing 1, aeration stream fully contact, organic pollutant is by biological degradation and airflow oxygenolysis in the water, and then water outlet current 18 are purified.In rotating cage body 5 inside, rotation and pressure aeration along with rotating cage body 5, under the stirring comprehensive action of the flowing of the gas lift of central shaft 4 aerations, water inlet current 17, intra vane 2, gas-solid liquid uniform mixing wherein, form good fluidisation microbiological treatment environment, have the function of efficiently disposing of sewage.Sewage feed water flow 17 promotes outer leafs 6, drives rotating cage body 5 and rotates, and saves electric energy.
In the present embodiment, the percentage of open area of micropore is to have prosopyle 13 on the peripheral curved surface of 52% rotating cage body 5 to be circle or slotted eye on the peripheral curved surface of central shaft 4, and percentage of open area is 78%.Floating stuffing 1 is selected the plastic cement floating stuffing for use, and its packing fraction is 46% of a rotating cage body bulk.Outer leafs 6 V-type plane as shown in Figure 8 highly is 0.35 times of rotating cage body 5 radiuses.Intra vane 2 is a curved face type, highly is 0.3 times of rotating cage body 5 radiuses, and interior outer leafs joins together by Bolt Connection and rotating cage sports association and connects, and the number of outer leafs, intra vane is 8.All the other embodiments are identical with embodiment 1.
Claims (8)
1, a kind of rotating cage type floating stuffing biological sewage treatment method is characterized in that: the sewage feed water flow promotes the outer leafs of rotating cage, drives the rotating cage body and rotates; The sewage that prosopyle from the circumferential curved surface of the rotating cage that is filled with floating stuffing enters mixes with the air-flow of floating stuffing, center aeration, forms the fluidized of even gas, solid, liquid under the effect of rotating cage intra vane; Naturally the microbial film that generates on sewage and the filler, aeration stream fully contact, and organic pollutant and then is purified sewage by biological degradation and airflow oxygenolysis in the water.
2, realize the device of the described rotating cage type floating stuffing biological sewage treatment method of claim 1, it is characterized in that: it comprises that central shaft (4), rotating cage body (5), intra vane (2), outer leafs (6), floating stuffing (1), aeration go into pipe (3), bearing (7) and bearing cover (8); Their connecting relation is as follows: the central shaft (4) that circumferentially has micropore (11) on the curved surface, forming revolute pair by bearing (7) and rotating cage body (5) connects, bearing (7) relies on bearing cover (8) and screw location, the one end sealing of central shaft (4), one end leaves gas inlet (12), and gas inlet (12) is located to be fixed with aeration and gone into pipe (3); Have the window that feeds intake (14) of floating stuffing (1) on the one end end face of rotating cage body (5), have prosopyle (13) on rotating cage body (5) peripheral curved surface; Outer leafs (6) connects by the outer circumferential wall of bolt with rotating cage body (5) respectively with intra vane (2).
3, device according to claim 2 is characterized in that: the percentage of open area scope of micropore (11) is 45%～60% on central shaft (4) circumferential surface.
4, device according to claim 2 is characterized in that: intra vane (2) and outer leafs (6) are linked to be an integral body and connect with rotating cage body (5).
5, device according to claim 2 is characterized in that: on rotating cage body (5) peripheral curved surface prosopyle (13) be shaped as circular hole or elliptical aperture or square hole, percentage of open area remains in 75%～90% the scope.
6, device according to claim 2 is characterized in that: intra vane (2) is processed into plane or curved surface, and the number of intra vane (2) is in 6～10 scopes, and the height of intra vane (2) is 0.1～0.3 times of rotating cage body (5) radius.
7, device according to claim 2 is characterized in that: outer leafs (6) is processed into streamlined curved surface or V-type face, and the number of outer leafs (6) is in 6～10 scopes, and the height of outer leafs (6) is 0.3～0.5 times of rotating cage body (5) radius.
8, device according to claim 2 is characterized in that: the floating stuffing that is filled with its volume 45%～55% in the rotating cage body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100776112A CN1285519C (en) | 2004-12-24 | 2004-12-24 | Rotating cage type floating stuffing biological sewage treatment method and equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100776112A CN1285519C (en) | 2004-12-24 | 2004-12-24 | Rotating cage type floating stuffing biological sewage treatment method and equipment thereof |
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| CN1654359A CN1654359A (en) | 2005-08-17 |
| CN1285519C true CN1285519C (en) | 2006-11-22 |
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Cited By (1)
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| CN104761106A (en) * | 2015-04-27 | 2015-07-08 | 上海博亚环保科技有限公司 | Sewage treatment system and sewage treatment method |
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2004
- 2004-12-24 CN CNB2004100776112A patent/CN1285519C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761106A (en) * | 2015-04-27 | 2015-07-08 | 上海博亚环保科技有限公司 | Sewage treatment system and sewage treatment method |
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| CN1654359A (en) | 2005-08-17 |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanhai Development Co., Ltd. Assignor: South China University of Technology Contract fulfillment period: 2007.6.18 to 2012.6.17 contract change Contract record no.: 2009440001423 Denomination of invention: Rotating cage type floating stuffing biological sewage treatment method and equipment thereof Granted publication date: 20061122 License type: Exclusive license Record date: 2009.9.14 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.6.18 TO 2012.6.17; CHANGE OF CONTRACT Name of requester: NAN HAI DEVELOPMENT STOCK CO., LTD. Effective date: 20090914 |
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Granted publication date: 20061122 Termination date: 20131224 |