CN202924881U - Anaerobic ammonium oxidation granular sludge separate collection device - Google Patents
Anaerobic ammonium oxidation granular sludge separate collection device Download PDFInfo
- Publication number
- CN202924881U CN202924881U CN2012205875400U CN201220587540U CN202924881U CN 202924881 U CN202924881 U CN 202924881U CN 2012205875400 U CN2012205875400 U CN 2012205875400U CN 201220587540 U CN201220587540 U CN 201220587540U CN 202924881 U CN202924881 U CN 202924881U
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- Prior art keywords
- device body
- granular sludge
- ammonium oxidation
- anaerobic ammonium
- granule sludge
- 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 - Lifetime
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- 239000010802 sludge Substances 0.000 title claims abstract description 80
- 230000003647 oxidation Effects 0.000 title claims abstract description 33
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000011084 recovery Methods 0.000 claims abstract description 34
- 238000007667 floating Methods 0.000 claims abstract description 23
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 238000012216 screening Methods 0.000 claims abstract description 9
- 239000008187 granular material Substances 0.000 claims description 51
- 238000007599 discharging Methods 0.000 claims description 21
- 238000004062 sedimentation Methods 0.000 claims description 20
- 230000000630 rising effect Effects 0.000 claims description 5
- PDNNQADNLPRFPG-UHFFFAOYSA-N N.[O] Chemical compound N.[O] PDNNQADNLPRFPG-UHFFFAOYSA-N 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 241000894006 Bacteria Species 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 18
- 229910021529 ammonia Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 241001453382 Nitrosomonadales Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002417 nutraceutical Substances 0.000 description 1
- 235000021436 nutraceutical agent Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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- 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 an anaerobic ammonium oxidation granular sludge separate collection device which comprises a device body, wherein the device body is internally divided into a suspension separation layer and a settling separation layer sequentially from top to bottom; a water inlet with a water inlet valve and a water outlet with a water outlet valve are formed at the middle of the device body; the water inlet is communicated with a water outlet pipe of an anaerobic ammonium oxidation reactor; an exhaust port with an exhaust valve is formed at the top of the device body; the suspension separation layer is divided into multiple upward-floating type granular sludge recovery unit cells from top to bottom; and the settling separation layer is divided into multiple settling type granular sludge recovery unit cells from top to bottom. The device disclosed by the utility model has the beneficial effects that (1) the granular sludge is effectively recovered, screening classification of granular sludge is realized, and the device is beneficial to efficient recovery and utilization of granular sludge; (2) the anaerobic environment required by anaerobic ammonium oxidation bacteria can be maintained for long time so that the activity can be kept to the greatest extent; and (3) the structure is simple, the operation is convenient, and the energy consumption is low.
Description
Technical field
The utility model relates to a kind of anaerobic ammonium oxidation granular sludge classified collection device, belongs to technical field of sewage.
Background technology
Anammox is a kind of Process of Biological Nitrogen Removal, and it can under anaerobic be reduced to nitrogen take ammonia as electron donor with nitrite.The advantages such as than the traditional biological denitrification process, it is good that Anammox has a denitrification effect, need not oxygen and add organic carbon source, and running cost is low have good practical prospect.Yet because the anaerobic ammonia oxidizing bacteria doubling time is longer, sludge yield is few, makes its heavy industrialization use and is hindered; In addition, anaerobic ammonia oxidation reactor is in actual moving process, and due to the restriction of configuration own, especially sludge concentration is excessive in the reactor, or water impact is when excessive, the phenomenon that often exists anaerobic ammonium oxidation granular sludge to run off from reactor body.For keeping Anammox sludge concentration in reactor, keep its higher nitrogen and remove ability, make it effectively carry out wastewater biological denitrificaion and process, it is particularly crucial that the collection utilization of Anammox loss granule sludge just seems.
In addition, also there is considerable influence in the anaerobic ammonium oxidation granular sludge of different-grain diameter for the performance of Anammox performance.When the anaerobic ammonium oxidation granular sludge particle diameter is excessive, easily cause the generation of granule sludge hollow phenomenon, make the global density of granule sludge reduce, settling property weakens, and then the granule sludge rising phenomenon appears, cause a large amount of high reactivity anaerobic ammonium oxidation granular sludges to run off, have a strong impact on the anaerobic ammonia oxidation reactor nitrogen removal performance.Therefore, sedimentation type and the floating type anaerobic ammonium oxidation granular sludge that runs off carried out respectively particularly necessity of granule sieving categorised collection.
For these problems, the utility model is by the anaerobic ammonium oxidation granular sludge classified collection device, in the time of efficient recovery Anammox loss granule sludge, make sedimentation type granule sludge and floating type granule sludge collect respectively, and sedimentation type granule sludge and floating type granule sludge are pressed respectively different-grain diameter and are collected, for sedimentation type and the floating type anaerobic ammonium oxidation granular sludge of different-grain diameter, take treatment measures targetedly, can realize that the classification of granule sludge is reclaimed and efficient the utilization.
Summary of the invention
For solve existing anaerobic ammonia oxidation reactor in actual moving process due to the restriction of configuration own or the problem that causes anaerobic ammonium oxidation granular sludge to run off from reactor body, the utility model proposes a kind of energy efficient recovery anaerobic ammonium oxidation granular sludge, and to its anaerobic ammonium oxidation granular sludge classified collection device of classifying and processing.
The technical solution adopted in the utility model is:
The anaerobic ammonium oxidation granular sludge classified collection device, it is characterized in that: comprise device body, described device body inside is divided into suspension separating layer and settlement separate layer from top to bottom successively, be provided with the water-in of water intaking valve in the middle of described device body, with the water outlet of outlet valve, described water-in is communicated with the rising pipe of anaerobism ammonia oxygen reactor, and the top of described device body is provided with the venting port of vent valve; Described suspension separating layer is separated into several floating type granule sludge recovery units districts from top to bottom; Described settlement separate floor is separated into several sedimentation type granule sludge recovery units districts from top to bottom, each described floating type granule sludge recovery unit district and sedimentation type granule sludge recovery unit district all are provided with the mud discharging mouth of mud valve, between adjacent two described floating type granule sludge recovery unit districts, adjacent two described sedimentation type granule sludge recovery unit districts, sieve are installed all.
Further, the top of described device body is right cylinder, and the bottom convergent is cone; Described cylindrical aspect ratio is 4 ~ 5:1; The level inclination α of described cone is 55 ~ 60 degree.
Further, the height of the height of described suspension separating layer, described settlement separate layer is 1/2 of described device body height.
Further, described water-in and described water outlet are positioned at the described both sides that lay respectively at the sustained height of described device body; Described water outlet water flow is controlled the flooding velocity that makes it to equal water-in by outlet valve; Described water outlet arranges screen.
Further, except the described mud discharging mouth of settlement separate layer lowermost layer vertically downward, all the other described mud discharging mouths all are located at the level attitude in corresponding floating type granule sludge recovery unit district or sedimentation type granule sludge recovery unit district, and the internal diameter highest level position of described suspension separating layer mud discharging mouth and corresponding sieve lower surface are in the same horizontal line; Described settlement separate layer mud discharging mouth, except the mud discharging mouth of lowermost layer, the internal diameter minimum level position of all the other described settlement separate layer mud discharging mouths and corresponding sieve upper surface are in the same horizontal line.
Further, described sieve is circular, and the radius of sieve is identical with the internal diameter of device body; Described sieve number and the several certificates of order are adjusted the screening degree of granule sludge.
Further, the sieve order number of described suspension separating layer setting increases from bottom to top gradually; The sieve order number that described settlement separate layer arranges increases from top to bottom gradually.
During use, open water intaking valve and vent valve, device body is filled up in the anaerobic ammonia oxidation reactor water outlet, then close vent valve, open outlet valve, carry out the mud screening collection process of long period, floating type granule sludge rises under buoyancy gradually, the sedimentation type granule sludge sinks under action of gravity gradually, realizes the screening classification of different-grain diameter granule sludge; Treat that device body floating type granule sludge recovery unit district or sedimentation type granule sludge recovery unit district fill up, can close water intaking valve, open corresponding mud valve, carry out one by one from top to bottom spoil disposal and reclaim; After finishing, continues spoil disposal to repeat aforesaid operations; After operation for some time, can pass through regulation device body vent valve, water intaking valve, mud valve, outlet valve, utilize the anaerobic ammonia oxidation reactor water outlet to carry out back flushing, avoid clogging of screen in device body.
The beneficial effects of the utility model are: 1. realize granule sludge screening classification when the efficient recovery granule sludge, sedimentation type and floating type granule sludge for different-grain diameter, take corresponding subsequent disposal measure, be conducive to high efficiente callback and the utilization of granule sludge; 2. collection device can the required anaerobic environment of long term maintenance anaerobic ammonia oxidizing bacteria, and flowing of Inlet and outlet water can provide the Anammox bacteria growing required nutraceutical matrix, and its activity is kept to greatest extent; 3. retrieving arrangement is simple in structure, and is easy to operate, and energy consumption is low, can be used for the collection of anaerobic ammonia oxidation reactor loss mud the long period, has higher practical value.
Description of drawings
Fig. 1 is schematic diagram of the present utility model (wherein, α represents the level inclination of the cone of device body bottom).
Fig. 2 is sieve schematic diagram of the present utility model.
Embodiment
Further illustrate the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
The anaerobic ammonium oxidation granular sludge classified collection device, comprise device body 1, described device body 1 inside is divided into suspension separating layer 11 and settlement separate layer 12 from top to bottom successively, be provided with the water-in 13 of water intaking valve 131 in the middle of described device body 1, with the water outlet 14 of outlet valve 132, described water-in 13 is communicated with the rising pipe of anaerobism ammonia oxygen reactor, and the top of described device body 1 is provided with the venting port 15 of vent valve 151; Described suspension separating layer 11 is separated into several floating type granule sludge recovery units district 111 from top to bottom; Described settlement separate floor 12 is separated into several sedimentation type granule sludge recovery units district 121 from top to bottom, each described floating type granule sludge recovery unit district 111 and sedimentation type granule sludge recovery unit district 121 all are provided with the mud discharging mouth 16 of mud valve 161, between adjacent two described floating type granule sludge recovery unit districts 111, adjacent two described sedimentation type granule sludge recovery unit districts 121, sieve 17 are installed all.
Further, the top of described device body 1 is right cylinder, and the bottom convergent is cone; Described cylindrical aspect ratio is 4 ~ 5:1; The level inclination α of described cone is 55 ~ 60 degree.
Further, the height of the height of described suspension separating layer 111, described settlement separate layer 121 is 1/2 of described device body height.
Further, described water-in 13 is positioned at the described both sides that lay respectively at the sustained height of described device body 1 with described water outlet 14, described water outlet 14 water flows are controlled the flooding velocity that makes it to equal water-in 13 by outlet valve 141, described water outlet 14 places arrange screen.
Further, except the settlement separate layer 12 described mud discharging mouth 16 of lowermost layer vertically downward, all the other described mud discharging mouths 16 all are located at the level attitude in corresponding floating type granule sludge recovery unit district 111 or sedimented particle mud recovery unit district 121; The internal diameter highest level position of described suspension separating layer 11 mud discharging mouths 16 and corresponding sieve 17 lower surfaces are in the same horizontal line; Described settlement separate layer 12 mud discharging mouth 16, except the mud discharging mouth 16 of lowermost layer, remaining described settlement separate layer 12 mud discharging mouth 16 internal diameter minimum level position and corresponding sieve 17 upper surfaces are in the same horizontal line.
Further, described sieve 17 is circular, and the radius of sieve 17 is identical with the internal diameter of device body 1; Described sieve 17 numbers and the several certificates of order are adjusted the screening degree of granule sludge.
Further, the sieve 17 order numbers of described suspension separating layer 11 settings increase from bottom to top gradually; The sieve 17 order numbers that described settlement separate layer 12 arranges increase from top to bottom gradually.
During use, open water intaking valve 131 and outlet valve 141, rising pipe and device body 1 water-in 13 of anaerobic ammonia oxidation reactor are communicated with, then close vent valve 151, open outlet valve 141, carry out the mud screening collection process of long period, floating type granule sludge rises under buoyancy gradually, the sedimentation type granule sludge sinks under action of gravity gradually, realizes the screening classification of granule sludge of the floating of different-grain diameter; Treat that device body 1 floating type granule sludge recovery unit district 111 or sedimentation type granule sludge recovery unit district 121 fill up, can close water intaking valve 13, open corresponding mud valve 151, carry out one by one from top to bottom spoil disposal and reclaim; After finishing, continues spoil disposal to repeat aforesaid operations; After operation for some time, can pass through regulation device body 1 vent valve 151, water intaking valve 131, mud valve 161, outlet valve 141, utilize the anaerobic ammonia oxidation reactor water outlet to carry out back flushing, avoid clogging of screen in device body 1.
The described content of this specification sheets embodiment is only enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the specific form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.
Claims (7)
1. anaerobic ammonium oxidation granular sludge classified collection device, it is characterized in that: comprise device body, described device body inside is divided into suspension separating layer and settlement separate layer from top to bottom successively, be provided with the water-in of water intaking valve in the middle of described device body, with the water outlet of outlet valve, described water-in is communicated with the rising pipe of anaerobism ammonia oxygen reactor, and the top of described device body is provided with the venting port of vent valve; Described suspension separating layer is separated into several floating type granule sludge recovery units districts from top to bottom; Described settlement separate floor is separated into several sedimentation type granule sludge recovery units districts from top to bottom, each described floating type granule sludge recovery unit district and sedimentation type granule sludge recovery unit district all are provided with the mud discharging mouth of mud valve, between adjacent two described floating type granule sludge recovery unit districts, adjacent two described sedimentation type granule sludge recovery unit districts, sieve are installed all.
2. anaerobic ammonium oxidation granular sludge classified collection device as claimed in claim 1, it is characterized in that: the top of described device body is right cylinder, and the bottom convergent is cone; Described cylindrical aspect ratio is 4 ~ 5:1; The level inclination α of described cone is 55 ~ 60 degree.
3. anaerobic ammonium oxidation granular sludge classified collection device as claimed in claim 1 is characterized in that: the height of the height of described suspension separating layer, described settlement separate layer is 1/2 of described device body height.
4. anaerobic ammonium oxidation granular sludge classified collection device as claimed in claim 1 is characterized in that: described water-in and water outlet lay respectively at the both sides of described suspension separating layer and settlement separate layer boundary; Described water outlet water flow is controlled the flooding velocity that makes it to equal water-in by outlet valve; Described water outlet arranges screen.
5. anaerobic ammonium oxidation granular sludge classified collection device as claimed in claim 1, it is characterized in that: except the described mud discharging mouth of settlement separate layer lowermost layer vertically downward, all the other described mud discharging mouths all are located at the level attitude in corresponding floating type granule sludge recovery unit district or sedimentation type granule sludge recovery unit district; The internal diameter highest level position of described suspension separating layer mud discharging mouth and corresponding sieve lower surface are in the same horizontal line; Described settlement separate layer mud discharging mouth, except the mud discharging mouth of lowermost layer, the internal diameter minimum level position of all the other described settlement separate layer mud discharging mouths and corresponding sieve upper surface are in the same horizontal line.
6. anaerobic ammonium oxidation granular sludge classified collection device as claimed in claim 1 is characterized in that: described sieve is for circular, and the radius of sieve is identical with the internal diameter of device body; Described sieve number and the several certificates of order are adjusted the screening degree of granule sludge.
7. anaerobic ammonium oxidation granular sludge classified collection device as claimed in claim 6, it is characterized in that: the sieve order number of described suspension separating layer setting increases from bottom to top gradually; The sieve order number that described settlement separate layer arranges increases from top to bottom gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205875400U CN202924881U (en) | 2012-11-08 | 2012-11-08 | Anaerobic ammonium oxidation granular sludge separate collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205875400U CN202924881U (en) | 2012-11-08 | 2012-11-08 | Anaerobic ammonium oxidation granular sludge separate collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202924881U true CN202924881U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012205875400U Expired - Lifetime CN202924881U (en) | 2012-11-08 | 2012-11-08 | Anaerobic ammonium oxidation granular sludge separate collection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951780A (en) * | 2012-11-08 | 2013-03-06 | 杭州师范大学 | Device for classification and collection of granular sludge of anaerobic ammonia oxidation |
| CN109354163A (en) * | 2018-11-19 | 2019-02-19 | 北京工业大学 | The sludge settling pipe device and its application method of sedimentation time can freely be adjusted |
-
2012
- 2012-11-08 CN CN2012205875400U patent/CN202924881U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951780A (en) * | 2012-11-08 | 2013-03-06 | 杭州师范大学 | Device for classification and collection of granular sludge of anaerobic ammonia oxidation |
| CN102951780B (en) * | 2012-11-08 | 2015-01-07 | 杭州师范大学 | Device for classification and collection of granular sludge of anaerobic ammonia oxidation |
| CN109354163A (en) * | 2018-11-19 | 2019-02-19 | 北京工业大学 | The sludge settling pipe device and its application method of sedimentation time can freely be adjusted |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130508 Effective date of abandoning: 20150107 |
|
| RGAV | Abandon patent right to avoid regrant |