CN109437397A - A kind of integrated mobile bed biofilm reactor with screw inclined plane structure - Google Patents
A kind of integrated mobile bed biofilm reactor with screw inclined plane structure Download PDFInfo
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- CN109437397A CN109437397A CN201811406104.7A CN201811406104A CN109437397A CN 109437397 A CN109437397 A CN 109437397A CN 201811406104 A CN201811406104 A CN 201811406104A CN 109437397 A CN109437397 A CN 109437397A
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- reaction chamber
- anaerobic
- inclined plane
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- anoxic
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of integrated mobile bed biofilm reactor with screw inclined plane structure belongs to technical field of sewage, and reactor is cylindrical shape, and centre is run through by a metal rotating shaft；There is the metal inclined-plane being threadingly advanced in the shaft of inside reactor；Reactor includes anaerobic/anoxic reaction chamber and aerobic reaction chamber, it is separated between reaction chamber by trap, contain anaerobic/anoxic filler in anaerobic/anoxic reaction chamber, contain aerobic filler in aerobic reaction room, it is unbalanced to efficiently solve moving bed biofilm reactor filler moving condition in reactor, there are problems that dead zone in pond in various degree, filler is made to be fully used；Several micro porous aeration heads are arranged with " well " font below the tube wall of aerobic reaction room, required oxygen is provided for aerobic biologic packing material, apparatus of the present invention integrate biofilm reactor and A2O technology, occupied area is smaller, structure is simple, easy to operate, treatment effect is more preferably more stable, is suitable for promoting the use of.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of integrated mobile bed with screw inclined plane structure
Biofilm reactor.
Background technique
Biofilm and activated sludge process are arranged side by side, are most ancient one of water treatment technologies.Biofilm reactor is exactly benefit
It purified with the metabolic activity of the microorganism in the biomembrane for being attached to filler surface, remove pollutant, be domestic and international at present
A kind of widely used high-efficiency sewage processing technique.Biofilm have effluent quality is good, occupied area is small, operating cost compared with
Low advantage, typical case have biological rotating disk, biofilter, moving bed biofilm reactor.
The cardinal principle of moving bed biofilm reactor (Moving-Bed Biofilm Reactor, MBBR) is exactly will be close
The floating stuffing spent close to water is added directly in reactor, as the carrier of microorganism growth attachment, under certain condition
Biofilm is carried out, makes to adhere to a large amount of microorganisms on filler, dirty water and air is then continuously passed through into reactor, and create good
It is mixed condition, the microorganism in filler surface is inhabited and constantly absorbs oxygen and organic matter in water, so that it is dirty to reach purification
The purpose of water.
It is A2O (anaerobic- anoxic- oxic) simple process of another aspect activated sludge process, easy to maintain, there is good denitrogenation
Dephosphorization function, in aerobic section, nitrobacteria acts on the ammonia nitrogen in becoming a mandarin and ammonia and nitrogen organic by biological nitration, is converted into nitre
Hydrochlorate；In anoxic section, denitrifying bacteria by biological denitrification, converts the interior nitrate brought into that flows back to nitrogen and escapes into
Into atmosphere, to achieve the purpose that denitrogenation；In anaerobism section, polyP bacteria discharges phosphorus, and it is degradable to absorb lower fatty acid etc.
Organic matter；And in aerobic section, polyP bacteria excess absorbs phosphorus, and by the discharge of excess sludge, phosphorus is removed.
Micro- stomata aeration is a kind of New aeration method, and micro- stomata aeration can be realized biofilm reactor continuous-stable fortune
Row, and can obtain the coefficient of oxygen utilization close to 100%, compare traditional aeration mode, under identical flow condition, microbubble exposure
COD, ammonia nitrogen, the nitrogen removal rate of solid/liquid/gas reactions device are higher, the synthesis speed of biomembrane and to stablize biomass higher, to improve anti-
The runnability for answering device, reduces cost.
Present biofilm reactor and traditional activated sludge process has the following problems when handling sewage:
(1) moving condition of the filler in reactor is unbalanced, there are problems that dead zone in pond to some extent, to lead
Cause filler using being not enough, effluent quality is not sufficiently stable, while this also increases operating cost indirectly；
(2) the A2O technique in traditional activated sludge process takes up a large area, and constrains use scope；
(3) traditional aeration mode oxygen utilization rate is low, and effluent quality is not sufficiently stable.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, filler utilization rate height, function one are provided
Body, occupied area be small, energy saving, treatment effect efficient stable, a kind of easy to operate integration with screw inclined plane structure
Moving bed biofilm reactor is dedicated to handling middle-size and small-size flow sewage.
A kind of integrated mobile bed biofilm reactor with screw inclined plane structure, including shell of reactor, metal turn
Axis, screw inclined plane, anaerobic/anoxic biologic packing material, aerobe filler and micro- stomata aerator, the shell of reactor include
Anaerobic/anoxic reaction chamber and aerobic reaction chamber, the anaerobic/anoxic reaction chamber are connected to aerobic reaction room, and the anaerobic/anoxic is anti-
Chamber interior is answered uniformly to be filled with anaerobic/anoxic biologic packing material, the aerobic reaction chamber interior is uniformly filled with aerobe filler,
The metal rotating shaft runs through inside reactor, and the screw inclined plane advances around metal rotating shaft in two reaction chambers, institute
It states and offers a water inlet on anaerobic/anoxic reaction chamber roof, offer a water outlet, roof on the side wall of the aerobic reaction room
On offer a gas vent, offer a sludge pipe on bottom wall, micro- stomata aerator includes several " well " fonts arrangements
Micro porous aeration head, SPG membranous system, blower, the micro porous aeration head are uniformly distributed along barrel lower half portion.
Preferably, it is separated between the anaerobic/anoxic reaction chamber and aerobic reaction chamber by trap, it is described aerobic anti-
It answers and is separated between room and outlet pipe by trap, the trap is bonded with barrel and metal rotating shaft respectively, in trap
The circular aperture of the angular separation distributions such as multiple is offered, the aperture is slightly less than filler sizes.
Preferably, the metal rotating shaft is connected with motor by shaft coupling and the external world.
Preferably, it is the rectangular of 50%-65% that the anaerobic/anoxic biologic packing material and aerobic biologic packing material, which select porosity,
Sponge, filling rate is between 20%-50%.
Preferably, the micro porous aeration head Ceramics material.
Preferably, the anaerobic/anoxic reaction chamber and aerobic reaction chamber volume should be 1:1.
Preferably, the metal rotating shaft and barrel diameter ratio are 1:3, and revolving speed should be 5-20 revs/min.
Preferably, the screw pitch of the screw inclined plane should be the 1/6-1/5 of reaction chamber length.
The present invention has the advantages that (1) improves hydraulics by improvement moving bed biofilm reactor internal structure,
Increase the time and area that water flow is contacted with biofilm packing, improve biologic packing material utilization rate, stablize effluent quality, reduces operation
Cost；
(2) integrated structure design is used, occupied area is small, is suitable for a variety of occasions；
(3) micro- stomata aerator is used, oxygen utilization rate is improved, stablizes effluent quality, COD, ammonia nitrogen, total nitrogen is improved and goes
Except rate.
Detailed description of the invention
Fig. 1 is the device of the invention figure.
Fig. 2 is main view of the invention.
Wherein: 1- grid；2- sedimentation basin；3- motor；4-SPG membranous system；5- blower；6- shaft coupling；7- water inlet；8- detests
Oxygen anoxic biologic packing material；9- screw inclined plane；10- metal rotating shaft；11- trap；12- aerobe filler；The micro- stomata aeration of 13-
Device；14- water outlet；15- gas vent；16- sludge pipe；17- anaerobic/anoxic reaction chamber；18- aerobic reaction room.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figure 1 to Figure 2, a kind of integrated mobile bed biofilm reactor with screw inclined plane structure, including it is anti-
Answer device shell, metal rotating shaft 10, screw inclined plane 9, anaerobic/anoxic biologic packing material 8, aerobe filler 12 and micro- stomata aeration dress
Set 13, the shell of reactor includes anaerobic/anoxic reaction chamber 17 and aerobic reaction chamber 18, the anaerobic/anoxic reaction chamber 17 with
Aerobic reaction room 18 is connected to, and 17 inside of anaerobic/anoxic reaction chamber is uniformly filled with anaerobic/anoxic biologic packing material 8, described aerobic
18 inside of reaction chamber is uniformly filled with aerobe filler 12, and the metal rotating shaft 10 runs through inside reactor, and the spiral is oblique
Face 9 is advanced around metal rotating shaft 10 in two reaction chambers, offer on 17 roof of anaerobic/anoxic reaction chamber one into
The mouth of a river 7 offers a water outlet 14 on 18 side wall of aerobic reaction room, a gas vent 15 is offered on roof, is opened on bottom wall
Equipped with a sludge pipe 16, micro- stomata aerator 13 include several " well " fonts arrangement micro porous aeration head, SPG membranous system 4,
Blower 5, the micro porous aeration head are uniformly distributed along barrel lower half portion.
It is worth noting that, being separated between the anaerobic/anoxic reaction chamber 17 and aerobic reaction chamber 18 by trap 11
Open, separated between the aerobic reaction room 18 and outlet pipe 14 by trap 11, the trap 11 respectively with barrel and
Metal rotating shaft 10 is bonded, and the circular aperture of the angular separation distributions such as multiple is offered in trap 11, and the aperture is slightly less than filler
Size.
In the present embodiment, sewage before entering the reactor, need to be pre-processed by the sedimentation basin 2 with grid 1, with
Most of insolubility impurity is removed, blocking reactor is avoided.
In the present embodiment, the metal rotating shaft 10 is connected with motor 3 by shaft coupling 6 and the external world.
In the present embodiment, it is 50%- that the anaerobic/anoxic biologic packing material 8 and aerobic biologic packing material 12, which select porosity,
65% square sponge, filling rate is between 20%-50%.
In the present embodiment, the micro porous aeration head Ceramics material.
In the present embodiment, the anaerobic/anoxic reaction chamber 17 and aerobic reaction chamber, which hold 18 products, should be 1:1.
In the present embodiment, the metal rotating shaft 10 and barrel diameter ratio are 1:3, and revolving speed should be 5-20 revs/min.
In the present embodiment, the screw pitch of the screw inclined plane 9 should be the 1/6-1/5 of reaction chamber length.
Sewage advances in inside reactor along screw inclined plane, while the effect stirred by the rotation bring of metal rotating shaft
It is sufficiently contacted with biologic packing material, substantially increases the utilization rate of biologic packing material.
Apparatus of the present invention workflow: after debugging biofilm success, the life's work stage, respectively in water inlet of the invention
It is sampled with water outlet, each mouth respectively takes sample three times, takes a water sample every three days, and apparatus of the present invention continuous service terminates after 10 days
Sampling.These three common indexs of COD, ammonia nitrogen, total nitrogen are chosen as representing, embodiment shows a kind of with screw inclined plane knot
The integrated mobile bed biofilm reactor of structure is respectively 81.0% to COD average removal rate in medium-small flow sewage, 84.1%,
85.8%, 85.0%, 87.8%, ammonia nitrogen average removal rate is 95.7%, 94.0%, 96.5%, 97.0%, 98.1%, total nitrogen
Average removal rate is respectively 39.1%, 40.0%, 35.0%, 46.1%, 49.5%.And it is repeated in experiment continuous,
Removal efficiency fluctuation is little, effect stability.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (8)
1. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure, including shell of reactor, metal rotating shaft
(10), screw inclined plane (9), anaerobic/anoxic biologic packing material (8), aerobe filler (12) and micro- stomata aerator (13),
It is characterized in that, the shell of reactor includes anaerobic/anoxic reaction chamber (17) and aerobic reaction chamber (18), and the anaerobic/anoxic is anti-
Room (17) is answered to be connected to aerobic reaction room (18), the anaerobic/anoxic reaction chamber (17) is internal uniformly filled with anaerobic/anoxic biology
Filler (8), the aerobic reaction room (18) is internal to be uniformly filled with aerobe filler (12), and the metal rotating shaft (10) is run through
Inside reactor, the screw inclined plane (9) are advanced around metal rotating shaft (10) in two reaction chambers, the anaerobic/anoxic
It is offered a water inlet (7) on reaction chamber (17) roof, offers a water outlet (14) on aerobic reaction room (18) side wall,
It offers a gas vent (15), is offered on bottom wall a sludge pipe (16) on roof, micro- stomata aerator (13) includes
Several " well " fonts arrange micro porous aeration head, SPG membranous system (4), blower (5), and the micro porous aeration head is along barrel lower half portion
It is uniformly distributed.
2. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure according to claim 1, special
Sign is: it is separated between the anaerobic/anoxic reaction chamber (17) and aerobic reaction chamber (18) by trap (11), it is described good
Separated between oxygen reaction chamber (18) and outlet pipe (14) by trap (11), the trap (11) respectively with barrel and gold
Belong to shaft (10) fitting, the circular aperture of the angular separation distributions such as multiple is offered in trap (11), the aperture, which is slightly less than, to be filled out
Expect size.
3. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure according to claim 1, special
Sign is: the metal rotating shaft (10) is connected with motor (3) by shaft coupling (6) and the external world.
4. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure according to claim 1, special
Sign is: the anaerobic/anoxic biologic packing material (8) and aerobic biologic packing material (12) select porosity for the rectangular sea of 50%-65%
Silk floss, filling rate is between 20%-50%.
5. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure according to claim 1, special
Sign is: the micro porous aeration head Ceramics material.
6. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure according to claim 1, special
Sign is: the anaerobic/anoxic reaction chamber (17) and aerobic reaction chamber hold (18) product and should be 1:1.
7. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure according to claim 1, special
Sign is: the metal rotating shaft (10) is 1:3 with barrel diameter ratio, and revolving speed should be 5-20 revs/min.
8. a kind of integrated mobile bed biofilm reactor with screw inclined plane structure according to claim 1, special
Sign is: the screw pitch of the screw inclined plane (9) should be the 1/6-1/5 of reaction chamber length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406104.7A CN109437397A (en) | 2018-11-23 | 2018-11-23 | A kind of integrated mobile bed biofilm reactor with screw inclined plane structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406104.7A CN109437397A (en) | 2018-11-23 | 2018-11-23 | A kind of integrated mobile bed biofilm reactor with screw inclined plane structure |
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| CN109437397A true CN109437397A (en) | 2019-03-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5637220A (en) * | 1993-06-10 | 1997-06-10 | Paques B.V. | Process for purifying sulphide-containing waste water |
| US5935844A (en) * | 1995-03-27 | 1999-08-10 | Biomaterial Co., Ltd. | Porous cellulose carrier for immobilizing microorganisms to convert nitrogen compounds |
| CN2641038Y (en) * | 2003-09-15 | 2004-09-15 | 孙洪权 | Flush eddy biological reactor |
| JP2007185573A (en) * | 2006-01-11 | 2007-07-26 | Maezawa Ind Inc | Waste water treatment apparatus |
| CN102249493A (en) * | 2011-06-22 | 2011-11-23 | 浙江大学 | Spiral-flow type integral reactor for processing rural domestic sewage |
| CN203411392U (en) * | 2013-03-12 | 2014-01-29 | 江苏瑞盛水处理有限公司 | Biological sewage treatment system based on bio-contact oxidation technology |
-
2018
- 2018-11-23 CN CN201811406104.7A patent/CN109437397A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5637220A (en) * | 1993-06-10 | 1997-06-10 | Paques B.V. | Process for purifying sulphide-containing waste water |
| US5935844A (en) * | 1995-03-27 | 1999-08-10 | Biomaterial Co., Ltd. | Porous cellulose carrier for immobilizing microorganisms to convert nitrogen compounds |
| CN2641038Y (en) * | 2003-09-15 | 2004-09-15 | 孙洪权 | Flush eddy biological reactor |
| JP2007185573A (en) * | 2006-01-11 | 2007-07-26 | Maezawa Ind Inc | Waste water treatment apparatus |
| CN102249493A (en) * | 2011-06-22 | 2011-11-23 | 浙江大学 | Spiral-flow type integral reactor for processing rural domestic sewage |
| CN203411392U (en) * | 2013-03-12 | 2014-01-29 | 江苏瑞盛水处理有限公司 | Biological sewage treatment system based on bio-contact oxidation technology |
Non-Patent Citations (1)
| Title |
|---|
| 刘建伟等: "《污水生物处理新技术》", 30 September 2016, 中国建材工业出版社 * |
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