CN105036319B - A kind of drum-type anaerobic ammonia oxidation reactor - Google Patents
A kind of drum-type anaerobic ammonia oxidation reactor Download PDFInfo
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- CN105036319B CN105036319B CN201510282785.0A CN201510282785A CN105036319B CN 105036319 B CN105036319 B CN 105036319B CN 201510282785 A CN201510282785 A CN 201510282785A CN 105036319 B CN105036319 B CN 105036319B
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Abstract
A kind of drum-type anaerobic ammonia oxidation reactor, including reactor body, central rotating shaft, the gas skirt with exhaust outlet, liquid seal trough, the two side ends of described reactor body, which cover, is respectively equipped with water inlet, delivery port, reactor body top sidewall is provided with multiple liquid seal troughs, and fluid-tight trench bottom is tightly connected with reactor body outer wall；Gas skirt is located in liquid seal trough；Exhaust outlet is located at gas skirt top center；Reactor body connects with central rotating shaft axle, the output shaft fixed connection of central rotating shaft and motor；Agitating paddle is housed on the central rotating shaft of reactor body inner chamber；The blade outer rim of agitating paddle leaves slit with reactor body inwall；Reactor body inner chamber is separated into multiple independent cell compartments through blade, and each cell compartment fills floating stuffing.The beneficial effects of the invention are as follows：Volumetric loading is high, and capacity of resisting impact load is strong；Mass transfer effect is good；Biomembrane updating decision, microbial activity are high；Capital construction cost declines；Filler can be avoided to block；Save electric energy.
Description
Technical field
The present invention relates to a kind of drum-type anaerobic ammonia oxidation reactor.
Background technology
The excessive emissions of ammonia nitrogen are one of main reasons of body eutrophication.Traditional biological denitrification process exists more
Problem：Denitrification needs to provide appropriate electron donor, and usually organic matter, adds processing cost；Nitration reaction and anti-nitre
The demand for changing reaction to environmental condition is inconsistent, causes nitrification and denitrification to be difficult to unified and technological process over time and space
It is complicated；Nitrifying bacteria community growth rate is slow, it is difficult to maintains higher biological concentration, particularly low temperature environment in the winter time, causes system
Total hrt is longer, adds capital expenditure and operating cost.
Anammox is the New Biodenitrification Process of novel economizer, and the technique has that oxygen demand is few, sludge yield is low, nothing
The advantages such as secondary pollution, it has also become " upgrade version " of traditional biological denitrification process.
Existing denitrification of anaerobic ammonium oxidation reactor species is various, anti-if any upflow anaerobic sludge blanket process, deflection plate
Answer device, expanded granular sludge bed, sequencing batch reactor etc..But some drawbacks be present, for example, when upflow anaerobic sludge blanket process starts
Between it is long, upflow velocity is small, mixed effect is poor etc.；The first cell compartment load to be born of baffled reactor is negative much larger than average
Lotus, localised load overload cause substrate inhibition problem in the first cell compartment serious, suppress growth and the activity of microorganism in reactor；
Secondly, reactor front portion cell compartment overnutrition is concentrated, and rear portion cell compartment nutriment is more deficient, and corresponding biotic population amount is not
Sufficient and activity is not high.These drawbacks cause the efficiency of system relatively low and the less stable of technique.
The content of the invention
Pre-existing reactors mass transfer velocity is slow, mixed performance is poor, capacity of resisting impact load is weak, sludge is easy to run off in order to overcome and
The shortcomings of reactor easily blocks, the present invention, which provides one kind, can realize that inside reactor forms fluidisation state, improve the biography in reactor
Matter and mixed performance, and the drum-type anaerobic ammonia oxidation reactor of anti-load impact ability.
A kind of drum-type anaerobic ammonia oxidation reactor of the present invention, it is characterised in that：Including reactor body, center
Rotating shaft, the gas skirt with exhaust outlet, liquid seal trough, the two side ends of described reactor body, which cover, is respectively equipped with water inlet, water outlet
Mouthful, the top sidewall of described reactor body is provided with multiple liquid seal troughs, and the bottom of liquid seal trough and reactor body outer wall are close
Envelope connection；Described gas skirt is located in liquid seal trough；Described exhaust outlet is located at the center at the top of gas skirt；Described reactor
Body connects with horizontally disposed central rotating shaft axle, the output shaft fixed connection of described central rotating shaft and motor；Positioned at reactor body
Agitating paddle is housed on the central rotating shaft of inner chamber；The blade outer rim of described agitating paddle leaves slit with reactor body inwall；Institute
The blade described in the warp of reactor body inner chamber stated is separated into multiple independent cell compartments, and each cell compartment is filled suspension and filled out
Material.
Described reactor body carries the cylinder of end cap, the length of cylinder for both ends：Internal diameter ratio is 2.5~4：1.
The blade of described agitating paddle is rectangle, and described blade is along central rotating shaft radial distribution.
Described agitating paddle is formed by three pieces along the radially-arranged rectangular paddle of central rotating shaft, and described blade will be described
Reactor body inner chamber is separated into three independent cell compartments, the length of described blade：A width of 2.5~4：1, all blades are in
Centered on heart rotating shaft, the blade face angle of adjacent blades is 120 °, the slit width between blade outer rim and reactor body inwall
Less than 1.1cm.
The volume ratio of three independent cell compartments is 1:1:1.
The top sidewall of described reactor body is provided with three liquid seal troughs, and each liquid seal trough corresponds to a gas skirt, often
There is an exhaust outlet on individual gas skirt.
The distance between two neighboring liquid seal trough：Both ends liquid seal trough and reactor body with side end cap distance for 1.5~
1：1, the ratio between internal diameter of fluid-tight groove height and reactor body is 0.125~0.2：1.
Described floating stuffing is shaped as hollow cylindrical, and floating stuffing material is polypropylene or polyethylene, or part poly- third
The mixed fillers of alkene and part polyethylene, 2.5~2.7cm of diameter, height 1.1~1.3cm, 0.90~0.98kg/m of density3, hang
The packing volume of floating filler accounts for the 30%~40% of the volume of reactor body 1.
Described water inlet is arranged on the bottom of the one of end cap of reactor body, and delivery port is arranged on reactor body
The top of another end cap.
The course of work：Reactor body, central rotating shaft and the blade of the present invention can use stainless steel material to build, and center turns
Axle external connection motor, by driving central rotating shaft to rotate blade, the rotating speed of central rotating shaft can be according to ammonia nitrogen in water inlet and Asia
The rotating speed of the concentration regulation central rotating shaft of nitrate nitrogen, waste water enter reactor body by water inlet, and three rectangle agitating paddles will react
Device body is divided into three independent cell compartments, filling floating stuffing in each cell compartment, and the ammonia nitrogen and nitrite nitrogen in waste water are in floating stuffing table
Reacted in the presence of the anaerobic ammonia oxidizing bacteria of face and internal attachment, realize denitrogenation, caused nitrogen passes through reactor body
The gas skirt on top is collected, and escapes reactor body by exhaust outlet, and gas skirt is placed in the liquid seal trough on reactor body top,
Appropriate amount of fluid is added in liquid seal trough and carries out fluid-tight, to ensure that reactor body is in anaerobic state, the water outlet after processing is from reaction
The delivery port outflow that device body end covers.
The beneficial effects of the invention are as follows：1) volumetric loading is high, and capacity of resisting impact load is strong.The rotation of rectangle agitating paddle drives
The rotation of filler in bucket so that carrier is much larger than other biological membrane reactor, unit in reactor in fluidisation state, specific surface area
The biomass of volume is very high, it is ensured that the high load capacity of reactor；Sewage enters in reactor, is soon mixed and dilutes, because
This, drum-type anaerobic ammonia oxidation reactor impact resistance is also stronger；2) mass transfer effect is good.Filler rotates with rectangular paddle
When, the contact probability of microorganism and substrate is increased, accelerates the Surface Renewal speed of solid liquid interface；3) biomembrane updating decision,
Microbial activity is high.Filler is driven to rotate when rectangular paddle rotates, sewage is purified, while the not medium well of the biomembrane on filler
It is long, thicken, the biomembrane of aging is come off with shearing force caused by rotation, and biomembrane is updated, and microbial activity is stronger；
4) second pond can be saved, capital construction cost declines；5) filler can be avoided to block；6) set three rectangle agitating paddles, when 1 blade not
When possessing power potential energy, other 2 are in potential energy states, and 2 blades can easily drive the blade, so as to save electric energy.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention.
Fig. 2 is the right view of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings：
A kind of drum-type anaerobic ammonia oxidation reactor of the present invention of embodiment 1, including reactor body 1, center turn
Axle 5, the gas skirt 7 with exhaust outlet 8, liquid seal trough 6, the two side ends of described reactor body 1 cover be respectively equipped with water inlet 2,
Delivery port 3, the top sidewall of described reactor body 1 are provided with multiple liquid seal troughs 6, bottom and the reactor sheet of liquid seal trough 6
The outer wall of body 1 is tightly connected；Described gas skirt 7 is located in liquid seal trough；Described exhaust outlet 8 is located at the center at the top of gas skirt；
Described reactor body 1 connects with the horizontally disposed axle of central rotating shaft 5, the output shaft fixed connection of described central rotating shaft 5 and motor；
Agitating paddle 4 is housed on the central rotating shaft 5 of the inner chamber of reactor body 1；The blade outer rim of described agitating paddle 4 and reactor sheet
The inwall of body 1 leaves slit；The described blade of the described inner chamber of reactor body 1 warp is separated into multiple independent cell compartments, and often
Individual cell compartment fills floating stuffing.
Described reactor body 1 carries the cylinder of end cap, the length of cylinder for both ends：Internal diameter ratio is 2.5~4：1.
The blade of described agitating paddle 4 is rectangle, and described blade is along the radial distribution of central rotating shaft 5.
Described agitating paddle 4 is formed by three pieces along the radially-arranged rectangular paddle of central rotating shaft, and described blade is by described in
The inner chamber of reactor body 1 be separated into three independent cell compartments, the length of described blade：A width of 2.5~4：1, all blades
Centered on central rotating shaft, the blade face angle of adjacent blades is 120 °, the slit between blade outer rim and the inwall of reactor body 1
Width is less than 1.1cm.
The volume ratio of three independent cell compartments is 1:1:1.
The top sidewall of described reactor body 1 is provided with three liquid seal troughs 6, the corresponding gas skirt of each liquid seal trough 6
7, there is an exhaust outlet 8 on each gas skirt 7.
The distance between two neighboring liquid seal trough 6：Both ends liquid seal trough 6 is 1.5 with the distance of side end cap with reactor body 1
~1：1, the ratio between the height of liquid seal trough 6 and internal diameter of reactor body 1 are 0.125~0.2：1.
Described floating stuffing is shaped as hollow cylindrical, and floating stuffing material is polypropylene or polyethylene, or part poly- third
The mixed fillers of alkene and part polyethylene, 2.5~2.7cm of diameter, height 1.1~1.3cm, 0.90~0.98kg/m of density3, hang
The packing volume of floating filler accounts for the 30%~40% of the volume of reactor body 1.
Described water inlet 2 is arranged on the bottom of 1 one of end cap of reactor body, and delivery port 3 is arranged on reactor
The top of another end cap of body 1.
The course of work：Reactor body 1, central rotating shaft 5 and the blade of the present invention can use stainless steel material to build, center
The external connection motor of rotating shaft 5, by driving central rotating shaft to rotate blade, the rotating speed of central rotating shaft 5 can be according to ammonia nitrogen in water inlet
The rotating speed that central rotating shaft 5 is adjusted with the concentration of nitrite nitrogen be 2-8r/min, and waste water is by the entrance reactor body 1 of water inlet 2, three
Blade divides reactor body 1 for three independent cell compartments, filling floating stuffing in each cell compartment, and the ammonia nitrogen and nitrite nitrogen in waste water exist
Reacted in the presence of the anaerobic ammonia oxidizing bacteria of floating stuffing surface and internal attachment, realize denitrogenation, caused nitrogen passes through
The gas skirt 7 on the top of reactor body 1 is collected, and escapes reactor body 1 by exhaust outlet 8, and gas skirt 7 is placed in reactor body
Appropriate amount of fluid, which is added, in the liquid seal trough 6 on 1 top, in liquid seal trough 6 carries out fluid-tight, to ensure that reactor body 1 is in anaerobic state,
Water outlet after processing is flowed out from the delivery port 3 on the end cap of reactor body 1.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (6)
- A kind of 1. drum-type anaerobic ammonia oxidation reactor, it is characterised in that：Including reactor body, central rotating shaft, band exhaust outlet Gas skirt, liquid seal trough, the two side ends of described reactor body, which cover, is respectively equipped with water inlet, delivery port, described reaction The top sidewall of device body is provided with multiple liquid seal troughs；The distance between two neighboring liquid seal trough：Both ends liquid seal trough and reactor Body is 1.5~1 with the distance of side end cap：1, the ratio between internal diameter of fluid-tight groove height and reactor body is 0.125~0.2：1； Described gas skirt is located in liquid seal trough；Described exhaust outlet is located at the top center of gas skirt；Described reactor body Connect with horizontally disposed central rotating shaft axle, the output shaft fixed connection of described central rotating shaft and motor；Positioned at reactor body inner chamber Central rotating shaft on agitating paddle is housed；The blade outer rim of described agitating paddle leaves slit with reactor body inwall；Described Agitating paddle is formed by three pieces along the radially-arranged rectangular paddle of central rotating shaft, and described blade is by described reactor body inner chamber It is separated into three independent cell compartments, the length of described blade：A width of 2.5~4：1, all blades centered on central rotating shaft, The blade face angle of adjacent blades is 120 °, and the slit width between blade outer rim and reactor body inwall is less than 1.1 cm；Institute The blade described in the warp of reactor body inner chamber stated is separated into multiple independent cell compartments, and each cell compartment is filled suspension and filled out Material, described floating stuffing are shaped as hollow cylindrical, and floating stuffing material is polypropylene or polyethylene, or polypropylene segment and portion The mixed fillers of component polyethylene, the cm of diameter 2.5 ~ 2.7, height 1.1 ~ 1.3 cm, the kg/m of density 0.90 ~ 0.983, floating stuffing Packing volume account for the 30% ~ 40% of reactor body volume.
- A kind of 2. drum-type anaerobic ammonia oxidation reactor as claimed in claim 1, it is characterised in that：Described reactor body The cylinder of end cap, the length of cylinder are carried for both ends：Internal diameter ratio is 2.5~4：1.
- A kind of 3. drum-type anaerobic ammonia oxidation reactor as claimed in claim 2, it is characterised in that：The leaf of described agitating paddle Piece is rectangle, and described blade is along central rotating shaft radial distribution.
- A kind of 4. drum-type anaerobic ammonia oxidation reactor as claimed in claim 1, it is characterised in that：The body of three independent cell compartments Product is than being 1:1:1.
- A kind of 5. drum-type anaerobic ammonia oxidation reactor as claimed in claim 2, it is characterised in that：Described reactor body Top sidewall be provided with three liquid seal troughs, the corresponding gas skirt of each liquid seal trough, have an exhaust outlet on each gas skirt.
- A kind of 6. drum-type anaerobic ammonia oxidation reactor as claimed in claim 1, it is characterised in that：Described water inlet is set In the bottom of the one of end cap of reactor body, delivery port is arranged on the top of another end cap of reactor body.
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| CN201510282785.0A CN105036319B (en) | 2015-05-28 | 2015-05-28 | A kind of drum-type anaerobic ammonia oxidation reactor |
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| CN201510282785.0A CN105036319B (en) | 2015-05-28 | 2015-05-28 | A kind of drum-type anaerobic ammonia oxidation reactor |
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| CN105036319B true CN105036319B (en) | 2018-01-23 |
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| CN107140745A (en) * | 2017-05-06 | 2017-09-08 | 广汉海天洁诚水务有限公司 | A kind of trade effluent biofilm treatment apparatus |
| CN110697906B (en) * | 2019-09-26 | 2021-11-19 | 浙江海洋大学 | Integrated high-ammonia-nitrogen wastewater denitrification device |
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| CN203295262U (en) * | 2013-06-24 | 2013-11-20 | 北京普世圣华科技有限公司 | Biological drum reactor |
| CN204714593U (en) * | 2015-05-28 | 2015-10-21 | 杭州师范大学 | Drum-type anaerobic ammonia oxidation reactor |
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Effective date of registration: 20200930 Address after: 311121 Room 501, floor 5, building 2, No. 12 Longtan Road, Cangqian street, Yuhang District, Hangzhou, Zhejiang Province Patentee after: Zhejiang Wole Environmental Technology Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310036 Xiasha Higher Education Park forest Street No. 16 Patentee before: Hangzhou Normal University |
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Address after: 311100, 5th Floor, Building 18, No. 397 Cangxing Street, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Wole Technology Co.,Ltd. Address before: 311121 Room 501, 5 / F, building 2, No. 12, Longtan Road, Cangqian street, Yuhang District, Hangzhou, Zhejiang Province Patentee before: Zhejiang Wole Environmental Technology Co.,Ltd. |
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