CN202576083U - Novel anaerobic ammonium oxidation reactor - Google Patents
Novel anaerobic ammonium oxidation reactor Download PDFInfo
- Publication number
- CN202576083U CN202576083U CN2012200571822U CN201220057182U CN202576083U CN 202576083 U CN202576083 U CN 202576083U CN 2012200571822 U CN2012200571822 U CN 2012200571822U CN 201220057182 U CN201220057182 U CN 201220057182U CN 202576083 U CN202576083 U CN 202576083U
- Authority
- CN
- China
- Prior art keywords
- reactor
- zone
- chamber
- district
- anaerobic ammonia
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y02W10/12—
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a novel anaerobic ammonium oxidation reactor. A reactor body comprises a main reaction zone at the lower part and a three-phase separation zone at the upper part, wherein the main reaction zone is sequentially provided with a biological film zone, a sludge zone, a water inlet and a backflow liquid inlet from top to bottom; the three-phase separation zone comprises a solid-liquid separation zone, an air collection chamber and a diversion cone; and a water outlet is arranged in the upper part of the solid-liquid separation zone; the reactor is provided with a mixer; a drive unit of the reactor is arranged at the top of a reaction body; a mixer shaft goes through the three-phase separation zone and the biological film zone to a paddle plate which is arranged in the sludge zone; an airlift chamber is arranged on the outer side of the reactor body; return pipes are arranged to communicate the solid-liquid separation zone with the airlift chamber and communicate the airlift chamber with the sludge zone respectively; and an air-conduction pipe is arranged to lead air in the air collection chamber to the airlift chamber. Aiming at the characteristics of anaerobic ammonium oxidation sludge, according to the reactor provided by the utility model, the microbial interception is enhanced and the sludge mixing contact condition is optimized, and an automatic returning function is achieved. By using the reactor provided by the utility model, anaerobic ammonium oxidation bacteria are favorably rapidly accumulated and granulated and microbial loss can be reduced. In addition, the reactor can avoid the impact of high nitrogen concentration, accommodates to water inflow with high nitrogen concentration, and is increased in the efficiency.
Description
Technical field
The utility model relates to anaerobic ammonia oxidation reactor, belongs to the biological wastewater treatment field.
Background technology
Along with the continuous development of industrial technology, the quantity discharged of nitrogenous effluent increases year by year.Traditional bio-denitrification technology is limited because of denitrification efficiency, and processing cost (aeration, organic carbon source etc.) is higher, is difficult to satisfy high-nitrogen waste water and handles.
Some novel bio-denitrification technologies receive investigator's understanding and utilization gradually in recent years, comprising short-cut nitrification and denitrification technology, autotrophic denitrification technology, SHARON technology, CANON technology, anaerobic ammonia oxidation process or the like.Wherein Anammox is high because of nitric efficiency, and processing cost is low and receive numerous investigators' favor.Anammox is meant that anaerobic ammonia oxidizing bacteria utilizes ammonia nitrogen as electron donor under the anaerobic condition, and nitrite nitrogen carries out biological respinse as electron acceptor(EA), and is translated into the process of nitrogen.This process need not oxygen and organic carbon source, has greatly reduced the consumption of power and energy.It is long that yet present research shows that anaerobic ammonia oxidizing bacteria has a doubling time, and volume is little, be prone to run off, and characteristics such as growing environment strictness cause anaerobic ammonia oxidation reactor to be difficult to start.Therefore developing the anaerobic ammonia oxidation reactor that is suitable for anaerobic ammonia oxidizing bacteria has important practical significance.
In fact the startup of anaerobic ammonia oxidation reactor is exactly the enrichment process of anaerobic ammonia oxidizing bacteria in the reactor drum.The anaerobic ammonia oxidation reactor of having reported at present nearly all derives from traditional anaerobic reactor, comprising: active sludge class reactor drum, microbial film class reactor drum.It is used in the mainly outstanding following problem in Anammox aspect: though have mikrobe and the ability that pollutent fully contacts, still there is a certain amount of sludge loss problem in (1) active sludge class reactor drum (like UASB, ASBR, IC etc.).The anaerobic ammonium oxidizing bacteria doubling time is so low, causes this type reactor start-up time longer; (2) though biofilm reactor has good interception capacity,, microbial film has a strong impact on contacting of pollutent and mikrobe after thickening, be unfavorable for the raising of reactor drum denitrification efficiency; (3) too high ammonia nitrogen, nitrite nitrogen concentration has restraining effect to anaerobic ammonia oxidizing bacteria, is unfavorable for the direct processing of ammonia nitrogen in high density, nitrite nitrogen waste water; (4) more extracellular polymeric is contained in the anaerobic ammonia oxidizing bacteria extracellular, and toughness is strong, is gathered into sludge bulking easily, forms the dead band, influences reactor volume and removes usefulness.
To the characteristic that the existing defective of present anaerobic ammonium oxidation vessel and Anammox mud are had, the design attempts to optimize muddy water mixing contact conditions through whipping appts is set, be convenient to mud in the main reaction region bottom prilling; On main reaction region top filler is set, strengthens holding back of molecule mud; Through the gas lift effect, the gas that utilizes the Anammox reaction self to produce forms from return-flow system simultaneously.Phegma is back to feed-water end dilution water inlet substrate concn, with the ability to bear of enhancing reactor to ammonia nitrogen, nitrite nitrogen concentration, reduces the toxic action of harmful toxic matter to mikrobe.Under upflow velocity and mechanical stirring acting in conjunction that the backflow effect improves, make prilling mud be in fluidized state simultaneously.Experiment showed, that the reactor drum of utility model in view of the above helps the quick accumulation and the prilling of anaerobic ammonia oxidizing bacteria, reduce mikrobe and run off; Avoid the impact of high nitrogen concentration, adapt to the water inlet of high nitrogen concentration, improve the denitrification efficiency of reactor drum.
The utility model content
The purpose of the utility model is to overcome the above problem that prior art exists, and a kind of novel anaerobic ammonia oxidation reactor is provided.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is realized through following technical scheme:
A kind of novel anaerobic ammonia oxidation reactor, reactor body is made up of the main reaction region of bottom and the three-phase separation area on top; Main reaction region inside is provided with microbial film district, mud district and water-in and phegma water-in from top to down successively; Three-phase separation area comprises solid-liquid displacement zone, collection chamber and deflection cone; Solid-liquid displacement zone top is provided with water outlet.Said reactor drum is provided with whisking appliance, and its drive unit is located at the reacting body top, and stir shaft runs through three-phase separation area and microbial film district, and paddle board is installed to the mud district; The said reactor body outside is provided with the gas lift chamber, establishes return line and respectively solid-liquid displacement zone is communicated with the mud district with gas lift chamber, gas lift chamber; If gas tube is introduced the gas lift chamber with the gas in the collection chamber.
Further, the paddle board quantity of mud district installation and size are relevant by the stirring intensity of the required fluidized state of mud district mud.
Further, said microbial film district accounts for 20%～50% of main reaction region.
Further, said mud district accounts for 50%～80% of main reaction region.
Further, said microbial film district is combined by filler and skeleton frame, is vertically placed on the microbial film district, and it is radial that horizontal plane is rotation, and said uniform filling is arranged and the maintenance appropriate gap.
Further, said deflection cone is fixed on the stir shaft, rotates synchronously with stir shaft.
Further, said solid-liquid displacement zone is communicated with the gas lift chamber, gas lift chamber bottom is communicated with the mud district; If gas tube is introduced the gas lift chamber with the gas in the collection chamber.
The beneficial effect of the utility model is:
Said reactor drum, has been strengthened mikrobe and has been held back through on reactor drum main reaction region top less granule sludge of filling adsorption and triphase separator being set to the Anammox sludge characteristics; Through the stirring of built-in whisking appliance, make mud be in fluidized state, help the formation of granule sludge, further increased the microbial biomass in the reactor drum, optimized muddy water mixing contact conditions simultaneously; Utilize the characteristics of anaerobism ammonia oxygen aerogenesis to be provided with the gas lift chamber, form from backflow functionality.Diluted the water inlet nitrogen concentration through backflow functionality, avoided the murder by poisoning of high ammonia nitrogen, nitrite nitrogen, improved the upflow velocity in the reactor drum simultaneously, further helped mud and be in fluidized state anaerobic ammonia oxidizing bacteria.Utilize the reactor drum of the utility model to help the quick accumulation and the prilling of anaerobic ammonia oxidizing bacteria in a word, reduce mikrobe and run off; Avoid the impact of high nitrogen concentration, adapt to the water inlet of high nitrogen concentration, the denitrification efficiency that helps reactor drum improves.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technique means of understanding the utility model, and can implement according to the content of specification sheets, below with the preferred embodiment of the utility model and conjunction with figs. specify as after.The embodiment of the utility model is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 the utility model one-piece construction synoptic diagram.
Label declaration among the figure: 1, reactor body, 2, whipping appts, 3, water-in, 4, the granular sludge district; 5, microbial film district, 6, triphase separator, 7, collection chamber, 8, the sludge settling district; 9, water outlet, 10, the gas lift chamber, 11, tracheae; 12, phegma water inlet pipe, 13, return line, 14, revolve oar.
Embodiment
Below with reference to accompanying drawing and combine embodiment, specify the utility model.
With reference to shown in Figure 1, a kind of novel anaerobic ammonia oxidation reactor is characterized in that: reactor body (1) tubular, said reacting body (1) comprise the bottom main reaction region and the top three-phase separation area is formed; Main reaction region inside is microbial film district (5), mud district (4) successively from top to down; Bottom water-in (3) and phegma water-in (13); The top three-phase separation area comprises solid-liquid displacement zone (8), collection chamber (7), deflection cone (6) from top to down successively; Solid-liquid displacement zone top is provided with water outlet (9).Said reactor drum is provided with whisking appliance (2), and its drive unit is located at reacting body (1) top, and stir shaft runs through triphase separator and microbial film district (5), to mud district (4) paddle board (14) is installed; The said reactor body outside is provided with gas lift chamber (10), establishes return line (12) and respectively solid-liquid displacement zone (8) is communicated with gas lift chamber (10), simultaneously gas lift chamber (10) bottom is communicated with mud district (4); If gas tube (11) is introduced gas lift chamber (10) with the gas in the collection chamber (7).
Further, the paddle board quantity of mud district installation and size are relevant by the stirring intensity of the required fluidized state of mud district mud.
Further, said microbial film district accounts for 20%～50% of main reaction region.
Further, said mud district accounts for 50%～80% of main reaction region.
Further, said microbial film district is combined by filler and skeleton frame, is vertically placed on the microbial film district, and it is radial that horizontal plane is rotation, and said uniform filling is arranged and the maintenance appropriate gap.
Further, said deflection cone is fixed on the stir shaft, rotates synchronously with stir shaft.
Further, said solid-liquid displacement zone is communicated with the gas lift chamber, gas lift chamber bottom is communicated with the mud district; If gas tube is introduced the gas lift chamber with the gas in the collection chamber.
The mode of operation of present embodiment is following:
According to the anaerobic ammonia oxidizing bacteria growth conditions, parameters such as the required optimal temperature of control anaerobic ammonia oxidizing bacteria, pH, dissolved oxygen.The bottom gets into the waste water that contains ammonia nitrogen, nitrite nitrogen, upper end water outlet water outlet.Through the stirring velocity of control whipping appts, make water inlet matrix obtain mixing on the one hand, avoid forming short stream or cause the contaminated thing toxicity of regional area mikrobe to suppress; Make mud be in fluidized state through stirring on the other hand, improve mass-transfer efficiency, be convenient to granular sludge.
Along with the progressively raising of nitrogen load of reactor drum, reactor drum nitrogen is removed speed and is constantly increased, gas generated increase thereupon.Through the centrifugation of three-phase separating device, the collection and confinement of gases that produces to collection chamber, is driven the increase of quantity of reflux under the effect that gas is proposed.Influent concentration obtains dilution, thereby alleviate high substrate concn anaerobic ammonia oxidizing bacteria is produced inhibition.The increase of phegma has improved the upflow velocity of reactor drum, further helps the prilling and the muddy water contact conditions of Anammox mud, helps the raising of reactor drum denitrification efficiency.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. novel anaerobic ammonia oxidation reactor, it is characterized in that: reacting body (1) is made up of bottom main reaction region and top three-phase separation area; Main reaction region inside is microbial film district (5), mud district (4) successively from top to down; Bottom water-in (3) and phegma water-in (13); Three-phase separation area comprises solid-liquid displacement zone (8), collection chamber (7), deflection cone (6) from top to down successively; Solid-liquid displacement zone top is provided with water outlet (9), and said reactor drum is provided with whisking appliance (2), and its drive unit is located at reacting body (1) top, and stir shaft runs through three-phase separation area and microbial film district (5), to mud district (4) paddle board (14) is installed; The said reactor body outside is provided with gas lift chamber (10), establishes return line (12) and respectively solid-liquid displacement zone (8) is communicated with mud district (4) with gas lift chamber (10), gas lift chamber (10); If gas tube (11) is introduced gas lift chamber (10) with the gas in the collection chamber (7).
2. anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: said microbial film district (5) accounts for 20%～50% of main reaction region.
3. anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: said mud district (4) accounts for 50%～80% of main reaction region.
4. a kind of novel anaerobic ammonia oxidation reactor according to claim 1; It is characterized in that: said microbial film district (5) is combined by filler and skeleton frame; Be vertically placed on the microbial film district, it is radial that horizontal plane is rotation, and said uniform filling is arranged and the maintenance appropriate gap.
5. anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: said deflection cone (6) is fixed on the stir shaft, rotates synchronously with stir shaft.
6. anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: said with solid-liquid displacement zone (8) be communicated with gas lift chamber (10), with gas lift chamber (10) bottom be communicated with mud district (4); If gas tube is introduced gas lift chamber (10) with the gas in the collection chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200571822U CN202576083U (en) | 2012-02-22 | 2012-02-22 | Novel anaerobic ammonium oxidation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200571822U CN202576083U (en) | 2012-02-22 | 2012-02-22 | Novel anaerobic ammonium oxidation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202576083U true CN202576083U (en) | 2012-12-05 |
Family
ID=47245519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200571822U Expired - Fee Related CN202576083U (en) | 2012-02-22 | 2012-02-22 | Novel anaerobic ammonium oxidation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202576083U (en) |
-
2012
- 2012-02-22 CN CN2012200571822U patent/CN202576083U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101723538B (en) | Process for treating landfill leachate | |
| CN201343478Y (en) | UASB-MBR integrated system for treating dyeing wastewater | |
| CN103936229A (en) | Municipal sewage improved A2/O enhanced denitrification and dephosphorization treatment device and process | |
| Liu et al. | The developments of anaerobic baffled reactor for wastewater treatment: a review | |
| CN102583730A (en) | Novel anaerobic ammonium oxidation reactor | |
| CN104671613A (en) | Landfill leachate treatment technology | |
| CN104743747A (en) | Hoggery waste treatment device and method | |
| CN105366889B (en) | A kind of town sewage high standard denitrification dephosphorization system without additional carbon | |
| CN201614333U (en) | Decentralized sewage treatment device | |
| CN206736017U (en) | Antibiotic waste water processing unit | |
| CN113277679A (en) | Nitrile-containing organic wastewater treatment process | |
| CN203976474U (en) | A kind of eddy current revolves mixed anaerobic reactor | |
| CN111592104A (en) | Short-range efficient biological treatment device and treatment method for kitchen waste digestive juice | |
| CN203866153U (en) | Improved reinforced A2/O denitrogenation and dephosphorization treating device for municipal sewage | |
| CN206069641U (en) | Coking wastewater processing system | |
| CN203382611U (en) | Treatment device for wastewater from production of purified terephthalic acid | |
| CN202576083U (en) | Novel anaerobic ammonium oxidation reactor | |
| CN203625119U (en) | Internal circulation aerobic particle sludge bio-reactor | |
| CN102260022B (en) | Biological enhanced brewery wastewater biotreatment device and method | |
| CN112551801B (en) | Breeding wastewater treatment method and system based on combined advanced oxidation technology | |
| CN115028267A (en) | Waste water recycling device | |
| CN108178454A (en) | A kind of non-membrane treating method of kitchen garbage, waste-water | |
| CN211814018U (en) | Integrated circulating bed bio-membrane reactor | |
| CN103274521B (en) | Internal-circulation aerobic granule sludge bioreactor | |
| JP2022106601A (en) | Anaerobic treatment apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130222 |