CN204714593U - Drum-type anaerobic ammonia oxidation reactor - Google Patents
Drum-type anaerobic ammonia oxidation reactor Download PDFInfo
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- CN204714593U CN204714593U CN201520355885.7U CN201520355885U CN204714593U CN 204714593 U CN204714593 U CN 204714593U CN 201520355885 U CN201520355885 U CN 201520355885U CN 204714593 U CN204714593 U CN 204714593U
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Abstract
Drum-type anaerobic ammonia oxidation reactor, comprise reactor body, central rotating shaft, the gas skirt of band venting port, liquid seal trough, the two side ends of reactor body covers and is respectively equipped with water-in, water outlet, reactor body top sidewall is provided with multiple liquid seal trough, is tightly connected bottom liquid seal trough with reactor body outer wall; Gas skirt is positioned at liquid seal trough; Venting port is positioned at gas skirt top center; Reactor body and central rotating shaft are coupling, the output shaft fixed connection of central rotating shaft and motor; The central rotating shaft being positioned at reactor body inner chamber is equipped with stirring rake; Blade outer rim and the reactor body inwall of stirring rake leave slit; Reactor body inner chamber is separated into multiple independently lattice room through blade, and floating stuffing is all filled in each lattice room.The beneficial effects of the utility model are: volumetric loading is high, and capacity of resisting impact load is strong; Mass transfer effect is good; Microbial film updating decision, microorganism active is high; Capital construction cost declines; Filler can be avoided to block; Saves energy.
Description
Technical field
The utility model relates to a kind of drum-type anaerobic ammonia oxidation reactor.
Background technology
The excessive emissions of ammonia nitrogen is one of main reason of body eutrophication.There is more problem in traditional biological denitrification process: denitrification needs to provide suitable electron donor, is generally organism, adds processing cost; Nitration reaction and the demand of anti-nitration reaction to envrionment conditions inconsistent, cause nitrification and denitrification to be difficult to unified and technical process complexity over time and space; Nitrifying bacteria community rate of propagation is slow, is difficult to maintain higher biological concentration, particularly low temperature environment in the winter time, causes system total hrt longer, adds initial cost and working cost.
Anammox is the New Biodenitrification Process of novel economizer, and this technique has the advantages such as oxygen requirement is few, sludge yield is low, non-secondary pollution, has become " upgrade version " of traditional biological denitrification process.
Existing denitrification of anaerobic ammonium oxidation reactor is of a great variety, if any upflow anaerobic sludge blanket process, baffled reactor, expanded granular sludge bed, sequencing batch reactor etc.Such as, but there are some drawbacks, upflow anaerobic sludge blanket process start time is long, upflow velocity is little, mixed effect is poor; The load that first lattice room of baffled reactor will be born is much larger than mean load, and localised load overload causes the indoor substrate inhibition problem of the first lattice serious, and in inhibited reaction device, microbial growth is with active; Secondly, reactor anterior lattice room supernutrition is concentrated, and lattice room, rear portion nutritive substance is comparatively deficient, corresponding biotic population quantity not sufficient and activity is not high.These drawbacks cause the less stable of the on the low side and technique of the efficiency of system.
Summary of the invention
In order to overcome, pre-existing reactors mass transfer velocity is slow, mixed performance is poor, capacity of resisting impact load is weak, mud easily runs off and reactor such as easily to block at the shortcoming, the utility model provides a kind of can form fluidized in realization response device inside, improve the mass transfer in reactor 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 described in the utility model, it is characterized in that: comprise reactor body, central rotating shaft, the gas skirt of band venting port, liquid seal trough, the two side ends of described reactor body covers and is respectively equipped with water-in, water outlet, the top sidewall of described reactor body is provided with multiple liquid seal trough, and bottom and the reactor body outer wall of sealing groove are tightly connected; Described gas skirt is positioned at liquid seal trough; Described venting port is positioned at the center at gas skirt top; Described reactor body and horizontally disposed central rotating shaft are coupling, described central rotating shaft and the output shaft fixed connection of motor; The central rotating shaft being positioned at reactor body inner chamber is equipped with stirring rake; Blade outer rim and the reactor body inwall of described stirring rake leave slit; Described reactor body inner chamber is separated into multiple independently lattice room through described blade, and floating stuffing is all filled in each lattice room.
Described reactor body is the cylinders of two ends with end cap, the length of cylinder: internal diameter ratio is 2.5 ~ 4:1.
The blade of described stirring rake is rectangle, and described blade centrally rotating shaft radial distribution.
Described stirring rake by three pieces centrally the radially-arranged rectangular paddle of rotating shaft form, described reactor body inner chamber is separated into three independently lattice rooms by described blade, the length of described blade: wide is 2.5 ~ 4:1, all blades are centered by 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 1.1cm.
The volume ratio of three absolute case rooms is 1:1:1.
The top sidewall of described reactor body is provided with three liquid seal troughs, and the corresponding gas skirt of each liquid seal trough, each gas skirt has a venting port.
Distance between adjacent two liquid seal troughs: two ends liquid seal trough and reactor body are 1.5 ~ 1:1 with the distance of side end cap, and liquid seal trough height is 0.125 ~ 0.2:1 with the ratio of the internal diameter of reactor body.
Described floating stuffing shape is hollow cylindrical, and floating stuffing material is polypropylene or polyethylene, or the mixed fillers of polypropylene segment and part polyethylene, diameter 2.5 ~ 2.7cm, height 1.1 ~ 1.3cm, density 0.90 ~ 0.98kg/m
3, the packing volume of floating stuffing accounts for 30% ~ 40% of reactor body 1 volume.
Described water-in is arranged on the bottom of one of them end cap of reactor body, and water outlet is arranged on the top of another end cap of reactor body.
Working process: reactor body of the present utility model, central rotating shaft and blade can adopt stainless material to build, central rotating shaft outside connects motor, blades turning is made by driving central rotating shaft, the rotating speed of central rotating shaft can according to the rotating speed of the concentration adjustment central rotating shaft of ammonia nitrogen and nitrite nitrogen in water inlet, waste water enters reactor body by water-in, reactor body is divided into three absolute case rooms by three rectangle stirring rakes, the indoor filling floating stuffing of each lattice, ammonia nitrogen in waste water and nitrite nitrogen react under floating stuffing surface with the effect of the anaerobic ammonia oxidizing bacteria of inner attachment, realize denitrogenation, the nitrogen produced is collected by the gas skirt on reactor body top, and to be overflowed reactor body by venting port, gas skirt is placed in the liquid seal trough on reactor body top, add appropriate amount of fluid in liquid seal trough and carry out fluid-tight, to ensure that reactor body is in anaerobic state, water outlet after process is flowed out from the water outlet reactor body end cap.
The beneficial effects of the utility model are: 1) volumetric loading is high, and capacity of resisting impact load is strong.The rotation of rectangle stirring rake drives the rotation of filler in bucket, and make carrier in fluidized in reactor, specific surface area is much larger than other biological membrane reactor, and the biomass of unit volume is very high, ensure that the high loading of reactor; Sewage enters in reactor, soon mixed and dilution, and therefore, drum-type anaerobic ammonia oxidation reactor impact resistance is also stronger; 2) mass transfer effect is good.Filler along with rectangular paddle rotate time, increase the contact probability of microorganism and substrate, accelerate the Surface Renewal speed of solid-liquid interface; 3) microbial film updating decision, microorganism active is high.Drive filler to rotate when rectangular paddle is rotated, sewage is purified, and the microbial film simultaneously on filler constantly grows, and thickens, and aging microbial film comes off along with the shearing force produced when rotating, and microbial film is upgraded, and microorganism active is stronger; 4) can save second pond, capital construction cost declines; 5) filler can be avoided to block; 6) arrange three rectangle stirring rakes, when 1 blade does not possess power potential energy, other 2 are in potential energy states, and 2 blades can easily drive this blade, thus saves energy.
Accompanying drawing explanation
Fig. 1 is structure iron of the present utility model.
Fig. 2 is right view of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing
With reference to accompanying drawing:
Embodiment 1 a kind of drum-type anaerobic ammonia oxidation reactor described in the utility model, comprise gas skirt 7, the liquid seal trough 6 of reactor body 1, central rotating shaft 5, band venting port 8, the two side ends of described reactor body 1 covers and is respectively equipped with water-in 2, water outlet 3, the top sidewall of described reactor body 1 is provided with multiple liquid seal trough 6, and bottom and reactor body 1 outer wall of liquid seal trough 6 are tightly connected; Described gas skirt 7 is positioned at liquid seal trough; Described venting port 8 is positioned at the center at gas skirt top; Described reactor body 1 is coupling with horizontally disposed central rotating shaft 5, described central rotating shaft 5 and the output shaft fixed connection of motor; The central rotating shaft 5 being positioned at reactor body 1 inner chamber is equipped with stirring rake 4; Blade outer rim and reactor body 1 inwall of described stirring rake 4 leave slit; Described reactor body 1 inner chamber is separated into multiple independently lattice room through described blade, and floating stuffing is all filled in each lattice room.
Described reactor body 1 is the cylinders of two ends with end cap, the length of cylinder: internal diameter ratio is 2.5 ~ 4:1.
The blade of described stirring rake 4 is rectangle, and described blade centrally rotating shaft 5 radial distribution.
Described stirring rake 4 by three pieces centrally the radially-arranged rectangular paddle of rotating shaft form, described reactor body 1 inner chamber is separated into three independently lattice rooms by described blade, the length of described blade: wide is 2.5 ~ 4:1, all blades are centered by central rotating shaft, the blade face angle of adjacent blades is 120 °, and the slit width between blade outer rim and reactor body 1 inwall is less than 1.1cm.
The volume ratio of three absolute case rooms is 1:1:1.
The top sidewall of described reactor body 1 is provided with three liquid seal troughs 6, and the corresponding gas skirt 7 of each liquid seal trough 6, each gas skirt 7 has a venting port 8.
Distance between adjacent two liquid seal troughs 6: two ends liquid seal trough 6 and reactor body 1 are 1.5 ~ 1:1 with the distance of side end cap, and liquid seal trough 6 height is 0.125 ~ 0.2:1 with the ratio of the internal diameter of reactor body 1.
Described floating stuffing shape is hollow cylindrical, and floating stuffing material is polypropylene or polyethylene, or the mixed fillers of polypropylene segment and part polyethylene, diameter 2.5 ~ 2.7cm, height 1.1 ~ 1.3cm, density 0.90 ~ 0.98kg/m
3, the packing volume of floating stuffing accounts for 30% ~ 40% of reactor body 1 volume.
Described water-in 2 is arranged on the bottom of one of them end cap of reactor body 1, and water outlet 3 is arranged on the top of another end cap of reactor body 1.
Working process: reactor body 1 of the present utility model, central rotating shaft 5 and blade can adopt stainless material to build, central rotating shaft 5 outside connects motor, blades turning is made by driving central rotating shaft, the rotating speed of central rotating shaft 5 can be 2-8r/min according to the rotating speed of the concentration adjustment central rotating shaft 5 of ammonia nitrogen and nitrite nitrogen in water inlet, , waste water enters reactor body 1 by water-in 2, reactor body 1 is divided into three absolute case rooms by three blades, the indoor filling floating stuffing of each lattice, ammonia nitrogen in waste water and nitrite nitrogen react under floating stuffing surface with the effect of the anaerobic ammonia oxidizing bacteria of inner attachment, realize denitrogenation, the nitrogen produced is collected by the gas skirt 7 on reactor body 1 top, and to be overflowed reactor body 1 by venting port 8, gas skirt 7 is placed in the liquid seal trough 6 on reactor body 1 top, add appropriate amount of fluid in liquid seal trough 6 and carry out fluid-tight, to ensure that reactor body 1 is in anaerobic state, water outlet after process is flowed out from the water outlet 3 reactor body 1 end cap.
Content described in this specification sheets embodiment is only enumerating the way of realization that utility model is conceived; protection domain of the present utility model should not be regarded as being only limitted to the specific form that embodiment is stated, protection domain of the present utility model also comprises those skilled in the art and conceives the equivalent technologies means that can expect according to the utility model.
Claims (9)
1. drum-type anaerobic ammonia oxidation reactor, it is characterized in that: comprise reactor body, central rotating shaft, the gas skirt of band venting port, liquid seal trough, the two side ends of described reactor body covers and is respectively equipped with water-in, water outlet, the top sidewall of described reactor body is provided with multiple liquid seal trough, and described gas skirt is positioned at liquid seal trough; Described venting port is positioned at the top center place of gas skirt; Described reactor body and horizontally disposed central rotating shaft are coupling, described central rotating shaft and the output shaft fixed connection of motor; The central rotating shaft being positioned at reactor body inner chamber is equipped with stirring rake; Blade outer rim and the reactor body inwall of described stirring rake leave slit; Described reactor body inner chamber is separated into multiple independently lattice room through described blade, and floating stuffing is all filled in each lattice room.
2. drum-type anaerobic ammonia oxidation reactor as claimed in claim 1, is characterized in that: described reactor body is the cylinders of two ends with end cap, the length of cylinder: internal diameter ratio is 2.5 ~ 4:1.
3. drum-type anaerobic ammonia oxidation reactor as claimed in claim 2, is characterized in that: the blade of described stirring rake is rectangle, and described blade centrally rotating shaft radial distribution.
4. drum-type anaerobic ammonia oxidation reactor as claimed in claim 3, it is characterized in that: described stirring rake by three pieces centrally the radially-arranged rectangular paddle of rotating shaft form, described reactor body inner chamber is separated into three independently lattice rooms by described blade, the length of described blade: wide is 2.5 ~ 4:1, all blades are centered by 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 1.1cm.
5. drum-type anaerobic ammonia oxidation reactor as claimed in claim 4, is characterized in that: the volume ratio of three absolute case rooms is 1:1:1.
6. drum-type anaerobic ammonia oxidation reactor as claimed in claim 2, is characterized in that: the top sidewall of described reactor body is provided with three liquid seal troughs, and the corresponding gas skirt of each liquid seal trough, each gas skirt has a venting port.
7. drum-type anaerobic ammonia oxidation reactor as claimed in claim 6, it is characterized in that: the distance between adjacent two liquid seal troughs: two ends liquid seal trough and reactor body are 1.5 ~ 1:1 with the distance of side end cap, and liquid seal trough height is 0.125 ~ 0.2:1 with the ratio of the internal diameter of reactor body.
8. drum-type anaerobic ammonia oxidation reactor as claimed in claim 1, it is characterized in that: described floating stuffing shape is hollow cylindrical, floating stuffing material is polypropylene or polyethylene, or the mixed fillers of polypropylene segment and part polyethylene, diameter 2.5 ~ 2.7cm, height 1.1 ~ 1.3cm, density 0.90 ~ 0.98kg/m
3, the packing volume of floating stuffing accounts for 30% ~ 40% of reactor body volume.
9. drum-type anaerobic ammonia oxidation reactor as claimed in claim 1, it is characterized in that: described water-in is arranged on the bottom of one of them end cap of reactor body, water outlet is arranged on the top of another end cap of reactor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355885.7U CN204714593U (en) | 2015-05-28 | 2015-05-28 | Drum-type anaerobic ammonia oxidation reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520355885.7U CN204714593U (en) | 2015-05-28 | 2015-05-28 | Drum-type anaerobic ammonia oxidation reactor |
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| CN204714593U true CN204714593U (en) | 2015-10-21 |
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| CN201520355885.7U Expired - Fee Related CN204714593U (en) | 2015-05-28 | 2015-05-28 | Drum-type anaerobic ammonia oxidation reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036319A (en) * | 2015-05-28 | 2015-11-11 | 杭州师范大学 | Rotary drum anaerobic ammonia oxidation reactor |
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2015
- 2015-05-28 CN CN201520355885.7U patent/CN204714593U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036319A (en) * | 2015-05-28 | 2015-11-11 | 杭州师范大学 | Rotary drum anaerobic ammonia oxidation reactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20190528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |