CN104355399A - Drop-aeration self-driven biological rotating disc - Google Patents
Drop-aeration self-driven biological rotating disc Download PDFInfo
- Publication number
- CN104355399A CN104355399A CN201410643526.1A CN201410643526A CN104355399A CN 104355399 A CN104355399 A CN 104355399A CN 201410643526 A CN201410643526 A CN 201410643526A CN 104355399 A CN104355399 A CN 104355399A
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- China
- Prior art keywords
- blodisc
- self
- driven
- rotating disc
- drop
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/082—Rotating biological contactors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/24—Activated sludge processes using free-fall aeration or spraying
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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
Abstract
The invention discloses a drop-aeration self-driven biological rotating disc which comprises a shallow tank and a biological rotating disc, wherein the biological rotating disc is rotatably erected on the shallow tank; the shallow tank comprises a tank body and a waterproof baffle arranged at the upper part of the tank body; a water outlet weir is arranged on the right side of the tank body; a water outlet guidance baffle is arranged below the water outlet weir; a mud pipe is arranged at the bottom of the shallow tank; and the circumference of the biological rotating disc is divided into a plurality of water collection tanks at equal intervals by multiple separating trough plates. The biological rotating disc disclosed by the invention can be used for effectively solving a problem of poor drop-aeration effect, and realizing self-driven automatic aeration by virtue of improvement; a conventional operation mode of the biological rotating disc is changed; and the biological rotating disc not only can save energy but also can achieve a good aeration effect.
Description
Technical field
The invention belongs to technical field of water pollution control, relate to the self-driven rotating bio-disc reactor of a kind of drop oxygenation.
Background technology
Sanitary sewage generally adopts biochemical method, and in biochemical processing method, aerobic treatment unit is the key link affecting whole processing unit.The important factor of dissolved oxygen aerobic unit treatment effect quality just.Traditional aerobic treatment unit generally adopts machinery or blast aeration to maintain required dissolved oxygen, and cause equipment cost to increase, energy consumption is large.Often do not meet the processing requirements of small-sized dispersant type domestic wastewater.Drop water aeration technology utilizes physical features discrepancy in elevation natural reaeration, also only needs the once lifting of pump, greatly reduce the energy consumption for the treatment of process in plains region.But the oxygen-transfer efficiency of drop water aeration is general all lower.Highly can increase oxygen-transfer efficiency by improving drop, but the increase of energy consumption and investment can be caused.
Blodisc does not need aeration, relies on the rotation of rotating disk constantly to carry out oxic process, can obtain higher BOD and the removal efficiency of ammonia nitrogen in shorter duration of contact, and safeguard that simple management is convenient, work runs comparatively stable.Its weak point needs driven by motor dial rotation, and equipment cost is high and energy consumption is high, do not meet the disposal requirement of dispersed miniature sewage.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides the self-driven blodisc of a kind of drop oxygenation, low cost, less energy-consumption, biological treatment effect is good.
Technical scheme: for achieving the above object, technical scheme of the present invention is as follows:
The self-driven blodisc of a kind of drop oxygenation, comprise shallow pond and blodisc, described blodisc rotary type is erected on shallow pond; Described shallow pond comprises pond body and arranges the water bar on body top, pond, sets out mill weir mouth, is provided with water outlet flow apron below described water outlet crest of weir, arrange shore pipe bottom described shallow pond on the right side of described pond body; Described blodisc be circumferentially some water legs by some separation frid equally-spaced.
Further, described blodisc bosom fills circular discs, attached biological film in described circular discs.
Further, the self-driven blodisc of described drop oxygenation is that single-stage is run, or is arranged to the staggered or cascade arrangement of multi-level vertical by the self-driven blodisc of multiple drop oxygenation and runs.
Further, be semicircle wall bottom described shallow pond.
Beneficial effect: compared to the prior art the present invention, has the following advantages:
(1) current have triple oxidation effect in whole process, and first: natural oxygenation in current falling process, the key improving nature oxygenation is that the water body fallen needs discrete volume as far as possible, increases specific surface area, namely needs to produce fine liquid particles.But fine liquid particles is difficult to the rotation directly promoting blodisc, therefore is provided with water storage tank on blodisc, along with the accumulation of current in water storage tank, the rotation potential energy of blodisc increases, and then rotates.Second: dabble oxygenation, dabble time on the blodisc that current fall oxygenation.3rd: oxygenation in rotation process, when disk plate for biological rotating disk leaves the water surface, disc surface forms one deck microbial film, and the oxygen in air constantly enters in microbial film.Move in circles along with the continuous rotation of rotating disk.
The design of this blodisc substantially increases the effect of common drop oxygenation, efficiently solves the problem of simple drop oxygenation poor effect.
(2) be set to semicircle at the bottom of pond, rectangular shallow pond, have three advantages.First: the existence avoiding dead band.Second: in blodisc rotation process, water storage tank frid forms pushing effect to current in underwater as blade, makes pool inner water power condition reach optimum.3rd: the microbial film come off can be collected to mud discharging mouth automatically, facilitates spoil disposal.
(3) blodisc is provided with water leg, by being the kinetic energy of blodisc by the transform gravitational energy of water leg, efficiently solving common blodisc needs driven by motor, and equipment cost is high, the problem that energy consumption is high.Sanitary sewage is once promoted to elevated tank through lift pump, in addition other Non-energy-consumption, effectively reaches sanitary sewage less energy-consumption, is easy to the requirement of management.
(4) dropping, aeration and biological contact-oxidation pool combines with the blodisc of improvement by the present invention, the blodisc improved has reclaimed the residue mechanical energy of time falling water body, by by the mechanical energy storage of recovery being gravitional force and the rotation of final drive waterwheel, increase triple oxidation effect simultaneously, efficiently solve common blodisc and need power, and common drop biological contact oxidation process oxygenation is not enough, the problem that nitrification effect is bad.
(5) blodisc can be arranged to the staggered structure of multi-level vertical or step-off construction, in picturesque disorder, not only saves floor space, also has certain landscape effect.
Accompanying drawing explanation
Fig. 1 is the front view of the self-driven blodisc of single-stage drop oxygenation.
Fig. 2 is the side-view of the self-driven blodisc of single-stage drop oxygenation.
Fig. 3 is the vertical view of the self-driven blodisc of single-stage drop oxygenation.
Fig. 4 is the A-A sectional view of the self-driven blodisc of single-stage drop oxygenation.
Fig. 5 is the schematic diagram of three grades of self-driven blodisc series operations of drop oxygenation.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As accompanying drawing 1,2, shown in 3 and 4, the self-driven blodisc of a kind of drop oxygenation, comprise shallow pond 1 and blodisc 2, it is semicircle wall 101 bottom described shallow pond 1, described blodisc 2 center is furnished with rotating shaft 203, supports its structure rotary type be erected on shallow pond 1 by the support 204 that blodisc 2 center is vertical each other.Described shallow pond 1 comprises pond body and arranges the water bar 3 on body top, pond, sets out mill weir mouth 4, is provided with water outlet flow apron 5 below described water outlet crest of weir 4, arrange shore pipe 6 bottom described shallow pond 1 on the right side of described pond body; Described blodisc 2 be circumferentially some water legs 201 by some separation frid 202 equally-spaced, described blodisc 2 bosom fills circular discs 205, this circular discs 205 is fixedly installed on support 204, attached biological film in described circular discs 205.
Sanitary sewage is dropped in the water leg 201 of blodisc 2 by weir plate, utilizes the gravity catchmented in water leg 201, blodisc is rotated.Along with the rotation of blodisc 2, the microbial film be attached on blodisc 2 in circular discs 205 alternately contacts with water and air dirty in pond, organism when being immersed in sewage in absorption effluent, the open oxygen absorbed when air in air.
The self-driven blodisc of described drop oxygenation is that single-stage is run, or is arranged to the staggered or cascade arrangement of multi-level vertical by the self-driven blodisc of multiple drop oxygenation and runs.
The self-driven blodisc specific embodiment of multistage drop oxygenation: is as shown in Figure 5 three grades of self-driven blodiscs of drop oxygenation.Sanitary sewage is once promoted to elevated tank by lift pump after collecting, and the water in water tank entered water conservancy diversion weir plate and drops in the water leg 201 of blodisc 2, and in falling process, current contact a generation oxygenation with the oxygen in air.Current drop on blodisc 2, and oxygenation occurs to dabble for the second time.Along with constantly falling of current, current are long-pending full water leg 201 gradually, and blodisc 2 starts to rotate under the drive of water leg 201 gravity, and potential energy is kinetic energy; Microbial film on blodisc 2 inner circular disc 205 turns to the water surface from underwater, absorbs the oxygen in air, and third time oxygenation occurs.Along with the rotation of blodisc 2, drive current to flow in shallow pond 1, dissolved oxygen in the body of pond is evenly distributed.In continuously rotation process, sewage is effectively purified.Current cover water outlet crest of weir 4, and drop to along water outlet flow apron 5 in the water leg 201 of the blodisc 2 of next stage, repeat above process, final outflow water flow in water collecting basin, complete an Aerobic.
Three grades of self-driven blodiscs of drop oxygenation in above embodiment are all integrated in anaerobism-anoxic-aerobic-artificial swamp sewage denitrification and dephosphorization bio-ecological combination technique, its technical process is: through anaerobism-pretreated sewage of anoxic section, utilize physical features drop or once promote through water pump and enter three grades of self-driven blodiscs of drop oxygenation and carry out aerobic treatment, aerobic section water part enters subsequent artefacts's wetland, is partly refluxed to anoxic section and carries out denitrogenation.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. the self-driven blodisc of drop oxygenation, is characterized in that: comprise shallow pond (1) and blodisc (2), and described blodisc (2) rotary type is erected on shallow pond (1); Described shallow pond (1) comprises pond body and arranges the water bar (3) on body top, pond, mill weir mouth (4) is set out on the right side of described pond body, described water outlet crest of weir (4) below is provided with water outlet flow apron (5), and described shallow pond (1) bottom arranges shore pipe (6); Described blodisc (2) be circumferentially some water legs (201) by some separation frid (202) equally-spaced.
2. the self-driven blodisc of a kind of drop oxygenation according to claim 1, is characterized in that: described blodisc (2) bosom fills circular discs (205), at the upper attached biological film of described circular discs (205).
3. the self-driven blodisc of a kind of drop oxygenation according to claim 1 or 2, it is characterized in that: the self-driven blodisc of described drop oxygenation is that single-stage is run, or be arranged to the staggered or cascade arrangement of multi-level vertical by the self-driven blodisc of multiple drop oxygenation and run.
4. the self-driven blodisc of a kind of drop oxygenation according to claim 1, is characterized in that: described shallow pond (1) bottom is semicircle wall (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643526.1A CN104355399A (en) | 2014-11-13 | 2014-11-13 | Drop-aeration self-driven biological rotating disc |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643526.1A CN104355399A (en) | 2014-11-13 | 2014-11-13 | Drop-aeration self-driven biological rotating disc |
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| CN104355399A true CN104355399A (en) | 2015-02-18 |
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| CN201410643526.1A Pending CN104355399A (en) | 2014-11-13 | 2014-11-13 | Drop-aeration self-driven biological rotating disc |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712472A (en) * | 2016-04-29 | 2016-06-29 | 东南大学 | Combined drop-driven biological rotating disk reactor |
| CN107055799A (en) * | 2017-04-27 | 2017-08-18 | 东南大学 | A kind of processing system and its processing method of domestic sewage in rural areas cold operation |
| CN107162170A (en) * | 2017-05-18 | 2017-09-15 | 东南大学 | A kind of energy-saving clear water driving reinforcing nitrification two stage treatment formula biological rotating disk |
| CN110217946A (en) * | 2019-07-03 | 2019-09-10 | 北京工业大学 | Three-level rotating disc type sewage-treatment plant based on biological active filling material |
| CN111498985A (en) * | 2020-05-11 | 2020-08-07 | 东南大学 | Push-flow type waterwheel driving biological rotating disc |
| CN113880240A (en) * | 2021-11-19 | 2022-01-04 | 浙江海洋大学 | Multistage sewage treatment plant |
| CN115043492A (en) * | 2022-06-24 | 2022-09-13 | 江西省科学院能源研究所 | Sewage denitrification device and method thereof |
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| JPS588584A (en) * | 1981-07-07 | 1983-01-18 | Nippon Auto Toroole Kk | Operating method for rotary disk type biological oxidation treatment device |
| WO1985004306A1 (en) * | 1982-10-16 | 1985-10-10 | Adolf Neuhaus | Filter device for aquarium |
| CN102992538A (en) * | 2012-08-30 | 2013-03-27 | 北京建筑工程学院 | Liquamatic biological rotating disc reaction tank and biological rotating disc treating system |
| CN103771660A (en) * | 2014-01-16 | 2014-05-07 | 江苏大学 | Rural domestic sewage treatment system |
-
2014
- 2014-11-13 CN CN201410643526.1A patent/CN104355399A/en active Pending
Patent Citations (4)
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| JPS588584A (en) * | 1981-07-07 | 1983-01-18 | Nippon Auto Toroole Kk | Operating method for rotary disk type biological oxidation treatment device |
| WO1985004306A1 (en) * | 1982-10-16 | 1985-10-10 | Adolf Neuhaus | Filter device for aquarium |
| CN102992538A (en) * | 2012-08-30 | 2013-03-27 | 北京建筑工程学院 | Liquamatic biological rotating disc reaction tank and biological rotating disc treating system |
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Non-Patent Citations (1)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712472A (en) * | 2016-04-29 | 2016-06-29 | 东南大学 | Combined drop-driven biological rotating disk reactor |
| CN105712472B (en) * | 2016-04-29 | 2020-08-18 | 东南大学 | Combined drop-driven biological rotating disc reactor |
| CN107055799A (en) * | 2017-04-27 | 2017-08-18 | 东南大学 | A kind of processing system and its processing method of domestic sewage in rural areas cold operation |
| CN107055799B (en) * | 2017-04-27 | 2020-08-04 | 东南大学 | Rural domestic sewage low-temperature operation treatment system and treatment method thereof |
| CN107162170A (en) * | 2017-05-18 | 2017-09-15 | 东南大学 | A kind of energy-saving clear water driving reinforcing nitrification two stage treatment formula biological rotating disk |
| CN107162170B (en) * | 2017-05-18 | 2020-08-04 | 东南大学 | Energy-saving clear water-driven enhanced nitrification secondary treatment type biological rotating disc |
| CN110217946A (en) * | 2019-07-03 | 2019-09-10 | 北京工业大学 | Three-level rotating disc type sewage-treatment plant based on biological active filling material |
| CN111498985A (en) * | 2020-05-11 | 2020-08-07 | 东南大学 | Push-flow type waterwheel driving biological rotating disc |
| CN111498985B (en) * | 2020-05-11 | 2022-01-04 | 东南大学 | Push-flow type waterwheel driving biological rotating disc |
| CN113880240A (en) * | 2021-11-19 | 2022-01-04 | 浙江海洋大学 | Multistage sewage treatment plant |
| CN115043492A (en) * | 2022-06-24 | 2022-09-13 | 江西省科学院能源研究所 | Sewage denitrification device and method thereof |
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Application publication date: 20150218 |