CN2835233Y - Anaerobic ammonia oxidation reactor - Google Patents
Anaerobic ammonia oxidation reactor Download PDFInfo
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- CN2835233Y CN2835233Y CNU200520116708XU CN200520116708U CN2835233Y CN 2835233 Y CN2835233 Y CN 2835233Y CN U200520116708X U CNU200520116708X U CN U200520116708XU CN 200520116708 U CN200520116708 U CN 200520116708U CN 2835233 Y CN2835233 Y CN 2835233Y
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- anaerobic ammonia
- ammonia oxidation
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Abstract
The utility model discloses a kind of anaerobic ammonia oxidation reactor.It has reactor body, be provided with water inlet pipe in the reactor body lower end, the reactor body upper end is provided with sealing cover, sludge settling district, overflow weir, is provided with the air outlet on sealing cover, be provided with settling region mud backflow seam in lower end, sludge settling district, inside reactor is provided with agitator.Advantage of the present utility model: 1) microorganism that carries out Anammox reaction exists with the form of granule sludge, and Anammox reaction potentiality are big, and mud-water separation is effective; 2) settling chamber is arranged on the outer shroud on reacting body top, compact construction; 3) agitator moves with certain speed, makes the interior sewage of reactor fully contact with granule sludge, has strengthened mass transfer process; 4) no dead band in the reactor, the fluidizing performance of mud is good, and operating performance is stable; 5) this reactor has good Anammox performance, can bear high water inlet ammonia and nitrite concentration, has high volume transformation efficiency.
Description
Technical field
The utility model relates to a kind of anaerobic ammonia oxidation reactor.
Background technology
Along with the development of industrial and agricultural production and the raising of living standards of the people, the quantity discharged of itrogenous organic substance sharply increases.What two stage biological was handled starts successively, though Organic pollutants have been played good containment effect, the nitrogen content of water outlet is higher, still is serious environmental source of pollution.Nitrate pollution very harmful, ammonia enters water body, not only can bring out " eutrophication ", causes the disorder of aquatic ecosystem, and can also consume dissolved oxygen, causes water hypoxia, influences the oxygen transmission of fish strontium, and fish are caused death; Generate chloramines with the chlorine effect, influence cholorination and handle.Therefore it is imperative to control nitrate pollution cost-effectively.
The method of denitrogenation of waste water is more, and physics method, chemical method and biological process etc. are arranged.For various reasons, the application of physics, chemical method is very limited, the main both at home and abroad at present bio-denitrification technology that adopts.The Anammox reaction can be converted into nitrogen with ammonia and nitrite, eliminates the influence of ammonia to environment.Therefore, the research and development anaerobic ammonia oxidation reactor has important practical significance.
Existing anaerobic ammonia oxidation reactor is mainly developed by anaerobic pond.For the microorganism (active sludge) that some amount is arranged in the assurance device carries out the Anammox effect, generally behind anaerobic pond, build secondary sedimentation basins, in order to isolating active mud, satisfy the required active sludge of anaerobic pond on the one hand, satisfy the effluent quality requirement on the other hand.With second pond isolating active mud, and send anaerobic pond back to, not only increase equipment by reflux pump, consumption of power, and can destroy the active sludge structure, be unfavorable for forming good granule sludge of sedimentation function and mud-water separation.
Summary of the invention
The purpose of this utility model provides a kind of anaerobic ammonia oxidation reactor.
Anaerobic ammonia oxidation reactor has the cylindrical reactor body, be provided with water inlet pipe in the reactor body lower end, the reactor body upper end is provided with sludge settling district, overflow weir, sealing cover, be provided with mud backflow seam in lower end, sludge settling district, inside reactor is provided with agitator, be provided with stir shaft sleeve and air outlet on sealing cover, anaerobic ammonia oxidizing bacteria exists with the form of granule sludge in the reactor.
Advantage of the present utility model: 1) microorganism that carries out Anammox reaction exists with the form of granule sludge, and Anammox reaction potentiality are big, and mud-water separation is effective; 2) settling chamber is arranged on reactor body top outer shroud, and compact construction has saved secondary sedimentation basins and mud backflow facility, has avoided the destruction of reflux pump to granule sludge; 3) agitator moves with certain speed, makes the interior sewage of reactor fully contact with granule sludge, has strengthened mass transfer process; 4) no dead band in the reactor, the fluidizing performance of mud is good, and operating performance is stable; 5) this reactor has good Anammox performance, can bear high water inlet ammonia concentration, has high volume transformation efficiency.
Description of drawings
Fig. 1 is the anaerobic ammonia oxidation reactor structural representation;
Fig. 2 is an anaerobic ammonia oxidation reactor structure vertical view;
Among the figure: cylindrical reactor body 1, water inlet pipe 2, sludge settling district 3, overflow weir 4, sealing cover 5, mud backflow seam 6, agitator 7, stir shaft sleeve 8, air outlet 9.
Embodiment
As shown in the figure, anaerobic ammonia oxidation reactor has cylindrical reactor body 1, be provided with water inlet pipe 2 in the reactor body lower end, the reactor body upper end is provided with sludge settling district 3, overflow weir 4, sealing cover 5, be provided with mud backflow seam 6 in lower end, sludge settling district, inside reactor is provided with agitator 7, is provided with stir shaft sleeve 8 and air outlet 9 on sealing cover, and anaerobic ammonia oxidizing bacteria exists with the form of granule sludge in the reactor.
Described cylindrical reactor body 1 aspect ratio H/D is 1.5～2.5, and the level inclination α of lower bevel is 50 °～55 °.The height in sludge settling district 3 accounts for 1/5～1/6 of reactor body height, and the volume in sludge settling district accounts for 1/6～1/7 of cumulative volume, and the base plate and the angle β between the horizontal plane of mud backflow seam (6) are 50 °～55 °.Water inlet pipe 2 is arranged at the above 15～20mm place of reactor bottom.Agitator is arranged at the reactor body center from reactor bottom 50～150mm place, and stir shaft links by the sleeve that is immersed in the reaction solution.Sealing cover is active type, and is cylindrical, tips upside down on the reactor body outside, and sealing cover cylindrical shell lower end is immersed in 30～50mm place of reaction solution.Anaerobic ammonium oxidation granular sludge is a kind of biological particles that forms of being assembled by anaerobic ammonium oxidizing bacteria.
Sealing cover of the present utility model is active type, and is cylindrical, tips upside down on the reactor body outside, can separate with reactor body when needing; Sealing cover cylindrical shell lower end is immersed in the reaction solution, can prevent that extraneous air from entering reaction zone; Sealing cover is provided with the air outlet, can discharge the gas that produces in the reactor.Lower end, sludge settling district is provided with mud backflow seam, can allow the mud of settling region return reaction zone.Inside reactor is provided with agitator, can strengthen matrix and biological contacting, and stir shaft links by sleeve and the agitator that is immersed in the reaction solution, can prevent that extraneous air from entering reaction zone.Anaerobic ammonia oxidizing bacteria exists with the form of granule sludge in the reactor, and sedimentation function is good, is easy to mud-water separation.
Anaerobic ammonia oxidation reactor can make up with steel or Steel Concrete, and build jointly in same round pond reaction chamber and sludge settling chamber.Seed sludge adds to reaction zone.Sewage imports the reaction zone bottom by water inlet pipe.Reaction zone stirs by stirrer solid-liquid is fully contacted, and effectively improves mass-transfer efficiency.The sludge settling district is around reactor body.Settling region liquid stream lift velocity is slower, and the mud that is brought to the settling region is effectively separated, and relies on mud gravity to return reaction zone.Water outlet is discharged by the settling region overflow weir.
The utility model improves activated sludge settling property by granular sludge, reclaims granule sludge, improves sludge concentration by build settling tank jointly on device top, improves mass-transfer efficiency by stirring.Evidence, Kai Fa novel anaerobic ammonia oxidation reactor has good Anammox performance in view of the above.In pH7.5～8.5, under the condition that temperature of reaction is 25～35 ℃, can bear high water inlet ammonia and nitrite concentration, have high volume transformation efficiency, operating performance is stable.
Claims (7)
1, a kind of anaerobic ammonia oxidation reactor, it is characterized in that: it has cylindrical reactor body (1), be provided with water inlet pipe (2) in the reactor body lower end, the reactor body upper end is provided with sludge settling district (3), overflow weir (4), sealing cover (5), be provided with mud backflow seam (6) in lower end, sludge settling district, inside reactor is provided with agitator (7), is provided with stir shaft sleeve (8) and air outlet (9) on sealing cover, and anaerobic ammonia oxidizing bacteria exists with the form of granule sludge in the reactor.
2, a kind of anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: described cylindrical reactor body (1) aspect ratio H/D is 1.5～2.5, and the level inclination α of lower bevel is 50 °～55 °.
3, a kind of anaerobic ammonia oxidation reactor according to claim 1, it is characterized in that: the height in described sludge settling district (3) accounts for 1/5～1/6 of reactor body height, the volume in sludge settling district accounts for 1/6～1/7 of cumulative volume, and the base plate and the angle β between the horizontal plane of mud backflow seam (6) are 50 °～55 °.
4, a kind of anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: described water inlet pipe (2) is arranged at the above 15～20mm place of reactor bottom.
5, a kind of anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: described agitator is arranged at the reactor body center from reactor bottom 50～150mm place, and stir shaft links by the sleeve that is immersed in the reaction solution.
6, a kind of anaerobic ammonia oxidation reactor according to claim 1, it is characterized in that: described sealing cover is designed to active type, and is cylindrical, tips upside down on the reactor body outside, and sealing cover cylindrical shell lower end is immersed in 30～50mm place of reaction solution.
7, a kind of anaerobic ammonia oxidation reactor according to claim 1 is characterized in that: described anaerobic ammonium oxidation granular sludge is a kind of biological particles that forms of being assembled by anaerobic ammonium oxidizing bacteria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520116708XU CN2835233Y (en) | 2005-11-25 | 2005-11-25 | Anaerobic ammonia oxidation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520116708XU CN2835233Y (en) | 2005-11-25 | 2005-11-25 | Anaerobic ammonia oxidation reactor |
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| CN2835233Y true CN2835233Y (en) | 2006-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU200520116708XU Expired - Fee Related CN2835233Y (en) | 2005-11-25 | 2005-11-25 | Anaerobic ammonia oxidation reactor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100448787C (en) * | 2007-01-22 | 2009-01-07 | 浙江大学 | Gas-lifting type self-circulating anaerobic bioreactor |
| CN102145940A (en) * | 2011-02-23 | 2011-08-10 | 大连理工大学 | Fast breeding device and method of anammox bacteria |
| CN102219298A (en) * | 2010-03-12 | 2011-10-19 | 三菱丽阳株式会社 | biological treating device and biological treating method |
| CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
| CN106865761A (en) * | 2017-04-11 | 2017-06-20 | 湖北君集水处理有限公司 | A kind of enhanced biological water process anti-nitration reaction device |
-
2005
- 2005-11-25 CN CNU200520116708XU patent/CN2835233Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100448787C (en) * | 2007-01-22 | 2009-01-07 | 浙江大学 | Gas-lifting type self-circulating anaerobic bioreactor |
| CN102219298A (en) * | 2010-03-12 | 2011-10-19 | 三菱丽阳株式会社 | biological treating device and biological treating method |
| CN102145940A (en) * | 2011-02-23 | 2011-08-10 | 大连理工大学 | Fast breeding device and method of anammox bacteria |
| CN102145940B (en) * | 2011-02-23 | 2012-07-18 | 大连理工大学 | Fast breeding device and method of anammox bacteria |
| CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
| CN106865761A (en) * | 2017-04-11 | 2017-06-20 | 湖北君集水处理有限公司 | A kind of enhanced biological water process anti-nitration reaction device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |