CN204097179U - Biological fluidized bed - Google Patents
Biological fluidized bed Download PDFInfo
- Publication number
- CN204097179U CN204097179U CN201420556795.XU CN201420556795U CN204097179U CN 204097179 U CN204097179 U CN 204097179U CN 201420556795 U CN201420556795 U CN 201420556795U CN 204097179 U CN204097179 U CN 204097179U
- Authority
- CN
- China
- Prior art keywords
- inlet pipe
- tank body
- aerator
- guide shell
- water inlet
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000005276 aerator Methods 0.000 claims abstract description 35
- 238000000151 deposition Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000000630 rising effect Effects 0.000 claims description 10
- 239000007789 gas Substances 0.000 abstract description 16
- 238000005243 fluidization Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- 238000005273 aeration Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
Biological fluidized bed.Provide a kind of structure simple, effectively improve the mixing between gas, liquid, solid three and fluidisation, the biological fluidized bed of convenient operation.Comprise fluidized-bed, gas blower and water pump, fluidized-bed comprises inlet pipe, separator cartridge, guide shell, tank body, reaction tube, aerator, circulation water inlet pipe, water inlet pipe and mud collection tube, separator cartridge and guide shell are located at the top of described tank body, separator cartridge is consistent with the medullary ray of described guide shell, separator cartridge is positioned at described guide shell, be disengaging zone in separator cartridge, between guide shell and tank body, form depositing separation area; Reaction tube is located at the middle part of described tank body, and aerator is located in described reaction tube, is reaction zone in reaction tube; Water inlet pipe and mud collection tube are located at the bottom of described tank body; Gas blower connects described aerator by inlet pipe, and water pump connects described aerator by circulation water inlet pipe.The utility model effectively improves mass transfer process, improves the speed of response of microorganism.
Description
Technical field
The utility model relates to water-treatment technology field, particularly relates to a kind of dish-style jet aeration biological fluidized bed efficiently.
Background technology
Biological fluidized bed is a kind of New biological membrane method sewage disposal technology developed in the 70's of last century, there are aerobic and anaerobism two kinds of forms, be characterized in adopting the particulate material with certain specific surface area as carrier, microorganism growth forms microbial film in carrier surface, sewage is bottom-up flowing after oxygenation, carrier is made to be in flow state, the microbial film of its attachment fully can contact with sewage, the microbial film adsorption and oxidation constantly grown by carrier surface organism in Decomposition Wastewater, thus the object reached the pollutant removal in sewage, it is high that organism fluidization bed system has volumetric loading, anti impulsion load, the advantages such as the high and floor space of processing efficiency is little, it is one of very promising sewage treatment process.
Although the investigation and application that biological fluidized bed is disposed of sewage starts from the beginning of the seventies in last century, over nearly 40 years, its popularity is not as good as the traditional technology such as activated sludge process and biological contact oxidation process, its major cause is the feature due to fluidization itself, traditional biochemical processing method relies on the traditional parameters such as organic loading and sludge concentration be described system and carry out reactor design, and the behavior of biological fluidized-bed reactor is not only closely related with above-mentioned traditional parameters, and the characteristic of carrier granule, in the expansion behavior of bed and reactor, the design and running of fluidization parameter to reactor such as hydrodynamic characteristic is even more important.Due to three-phase biologic fluidized-bed fluidization parameter, determining cause number is complicated really, up to the present, a large amount of engineering also will design by practical experience, the selection of biological example carrier, for increasing the specific surface area of filler, select the particulate such as quartz sand and gac filler, what bring is that filler easily runs off and the problem of serious wear etc.; And adopt conventional aeration device easily to block, for addressing these problems, often cause fluidized-bed structure complicated.
Utility model content
The utility model, for above problem, provides a kind of structure simple, effectively improves the mixing between gas, liquid, solid three and fluidisation, the biological fluidized bed of convenient operation.
The technical solution of the utility model is: comprise fluidized-bed, gas blower and water pump, and described fluidized-bed comprises inlet pipe, separator cartridge, guide shell, tank body, reaction tube, aerator, circulation water inlet pipe, water inlet pipe and mud collection tube,
Described separator cartridge and guide shell are located at the top of described tank body, described separator cartridge is consistent with the medullary ray of described guide shell, described separator cartridge is positioned at described guide shell, be disengaging zone in described separator cartridge, form depositing separation area between described guide shell and tank body, the top of described depositing separation area is provided with rising pipe, bottom is provided with gap;
Described reaction tube is located at the middle part of described tank body, and described aerator is located in described reaction tube, is reaction zone in described reaction tube;
Described water inlet pipe and mud collection tube are located at the bottom of described tank body, and described mud collection tube is positioned at the below of described water inlet pipe;
Described gas blower connects described aerator by inlet pipe, and described water pump connects described aerator by circulation water inlet pipe.
Described aerator is dish-style jet aerator.
Also comprise effluent trough, described effluent trough is located at the front end of described rising pipe.
Also comprise platform, described platform is located at the end face of described tank body.
The utility model is by adopting dish-style jet-flow aeration, sewage in biological fluidized bed, gas, mud mixture is made to form in reaction tube the from bottom to top outer ring-type fluidization phenomenon from top to bottom with reaction tube, effective raising mass transfer process, improve the speed of response of microorganism, thus efficient promptly degradation of organic substances, have that the reaction times is short, anti impulsion load, floor space are little, easy and simple to handle, aeration without advantages such as blockings, have a good application prospect and economic benefit.The utility model is used for treatment of dyeing wastewater, and influent COD cr=600mg/L, water outlet CODcr=60 ~ 70mg/L, clearance, about 90%, meets sewage discharge requirement completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the structural representation of fluidized-bed in the utility model,
Fig. 3 is the sectional view in A-A face in Fig. 2;
In figure, 1 is fluidized-bed, and 2 is gas blowers, and 3 is water pumps,
11 is inlet pipe, and 12 is platforms, and 13 is separator cartridges, and 14 is guide shells, and 15 is effluent troughs, and 16 is rising pipes, and 17 is tank bodies, and 18 is reaction tubes, and 19 is dish-style jet aerators, and 20 is circulation water inlet pipes, and 21 is water inlet pipes, and 22 is mud collection tubes.
Embodiment
The utility model as Figure 1-3, comprises fluidized-bed 1, gas blower 2 and water pump 3, and described fluidized-bed 1 comprises inlet pipe 11, separator cartridge 13, guide shell 14, tank body 17, reaction tube 18, aerator, circulation water inlet pipe 20, water inlet pipe 21 and mud collection tube 22,
Described separator cartridge 13 and guide shell 14 are located at the top of described tank body 17, described separator cartridge 13 is consistent with the medullary ray of described guide shell 14, described separator cartridge 13 is positioned at described guide shell 14, be disengaging zone in described separator cartridge 13, form depositing separation area between described guide shell 14 and tank body, the top of described depositing separation area is provided with rising pipe 16, bottom is provided with gap;
Described reaction tube 18 is located at the middle part of described tank body 17, and described aerator is located in described reaction tube 18, is reaction zone in described reaction tube;
Described water inlet pipe 21 and mud collection tube 22 are located at the bottom of described tank body 17, and described mud collection tube is positioned at the below of described water inlet pipe; Adopt mud collection tube (in endless tube) to carry out collection and the circulation of mud, ensure the Uniform Flow of fluidized-bed in whole area.
Described gas blower 2 connects described aerator (connecting the top of aerator) by inlet pipe 11, and described water pump 3 connects described aerator (connecting the below of aerator) by circulation water inlet pipe 20.
Described aerator is dish-style jet aerator 19.Dish-style jet aerator is used for fluidized bed, effectively improves the mixing between gas, liquid, solid three and fluidisation, makes device structure simple, convenient operation.
Also comprise effluent trough 15, described water outlet 15 is located at the front end of described rising pipe 16.
Also comprise platform 12, described platform 12 is located at the end face of described tank body 17, is convenient to operated by personnel.
The utility model improves traditional structure, dish-style jet aerator is adopted to carry out aeration, aerator suitable for reading enter air, end opening enters pressure water, in dish-style jet aerator, carry out jet and going out after high speed shear mixing, gas is cut into countless tiny bubble, make oxygen in air very fast diffusion in sewage, utilized by Institute of Micro-biology rapidly, improve the oxygen-transfer efficiency of equipment.Simultaneously, due to the promotion of gas-liquid injection power and the guide effect of reaction tube, mud mixture is made to form in reaction tube the from bottom to top outer ring-type fluidization phenomenon from top to bottom with reaction tube, enhance the mass transfer process of gas-liquid-solid three-phase, because tank body is higher, air-water mixture is separated gradually in uphill process, forms the effect of deep well aeration, therefore improves the utilising efficiency of oxygen.Sewage after process enters in guide shell descending by the overflow port on cylindrical shell top, and sludge carrier sinks, from backflow seam, flow back to reaction zone, water after purification is after settling region is separated, discharge from effluent trough through rising pipe, gas is discharged through separator cartridge, thus realizes gas, liquid, solid three phase separation.
The utility model at work, waste water flows in reaction tube 18 by water inlet pipe 21, mud mixture around mud collection tube 22 enters in dish-style jet aerator 19 through circulation water inlet pipe 20 after water pump 3 aspirates, the compression sky of gas blower 1 enters in dish-style jet aerator 19 through inlet pipe 11, High-Pressure Water is from the ejection at a high speed of dish-style jet aerator water outlet pipe part, suck a large amount of pressurized air, shear and form many micro bubbles, oxygen is dissolved in the water rapidly, due to the promotion of gas-liquid injection power and the guide effect of reaction tube, mixed water mixture is made to form in reaction tube the from bottom to top outer ring-type fluidization phenomenon from top to bottom with reaction tube, mix completely at this with waste water, effectively can dilute the concentration of water inlet, simultaneously because quantity of circulating water is larger, enter mud in reaction tube and be in fluidized state, mix fully with sewage, improve the contact area of microorganism and sewage, thus raising speed of response.
Major part organism is degraded in reaction tube, because air capacity is larger, part mud mixture is promoted in the separator cartridge 13 on top by gas stripping together, gas is overflowed from separator cartridge 13 top, mud mixture then enters in guide shell 14, decline along guide shell 14 and precipitate, supernatant liquor is overflowed by effluent trough 15, drain from rising pipe 16, mud is then deposited at the bottom of pond, lower reaction zone is flow back into from the backflow seam of tank body, tank base is dropped to current, a part enters in reaction tube 18, a part enters in water pump through mud collection tube 22, enter in dish-style jet aerator 19 after pump pressurization, so move in circles.Unnecessary excess sludge can be got rid of by the bypass valve before water pump 3.
The utility model by pending waste water by entering in reaction tube bottom reaction tube, under the effect of dish-style jet aerator, contact reacts abundant with air water mud mixture, the from bottom to top outer ring-type fluidization phenomenon from top to bottom with reaction tube in forming reactions cylinder, effective raising mass transfer process, because tank body is higher, there is the effect of deep well aeration, effectively improve the utilization ratio of oxygen.The gas risen is separated with water, and overflow from separator cartridge oral area, mud mixture then enters in guide shell, decline along guide shell and precipitate, supernatant liquor is overflowed by effluent trough, drains from rising pipe, and mud is then deposited at the bottom of pond, lower reaction zone is flow back into from the backflow seam of tank body, drop to tank base with current, a part enters in reaction tube, and a part is collected endless tube through mud and entered in water pump, enter in dish-style jet aerator after pump pressurization, so move in circles and sewage degraded.
Claims (4)
1. biological fluidized bed, is characterized in that, comprises fluidized-bed, gas blower and water pump, and described fluidized-bed comprises inlet pipe, separator cartridge, guide shell, tank body, reaction tube, aerator, circulation water inlet pipe, water inlet pipe and mud collection tube,
Described separator cartridge and guide shell are located at the top of described tank body, described separator cartridge is consistent with the medullary ray of described guide shell, described separator cartridge is positioned at described guide shell, be disengaging zone in described separator cartridge, form depositing separation area between described guide shell and tank body, the top of described depositing separation area is provided with rising pipe, bottom is provided with gap;
Described reaction tube is located at the middle part of described tank body, and described aerator is located in described reaction tube, is reaction zone in described reaction tube;
Described water inlet pipe and mud collection tube are located at the bottom of described tank body, and described mud collection tube is positioned at the below of described water inlet pipe;
Described gas blower connects described aerator by inlet pipe, and described water pump connects described aerator by circulation water inlet pipe.
2. biological fluidized bed according to claim 1, is characterized in that, described aerator is dish-style jet aerator.
3. biological fluidized bed according to claim 1, is characterized in that, also comprises effluent trough, and described effluent trough is located at the front end of described rising pipe.
4. biological fluidized bed according to claim 1, is characterized in that, also comprises platform, and described platform is located at the end face of described tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420556795.XU CN204097179U (en) | 2014-09-25 | 2014-09-25 | Biological fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420556795.XU CN204097179U (en) | 2014-09-25 | 2014-09-25 | Biological fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204097179U true CN204097179U (en) | 2015-01-14 |
Family
ID=52265624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420556795.XU Expired - Fee Related CN204097179U (en) | 2014-09-25 | 2014-09-25 | Biological fluidized bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204097179U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671395A (en) * | 2015-01-26 | 2015-06-03 | 常州大学 | Biological filter bed for treating river pollutant |
| CN104787989A (en) * | 2015-04-27 | 2015-07-22 | 哈尔滨工业大学 | Deep-well aeration tank, enhanced wastewater nitrogen and phosphorus removal device and enhanced wastewater nitrogen and phosphorus removal method |
| CN105284703A (en) * | 2015-11-26 | 2016-02-03 | 西藏自治区农牧科学院 | Seedling breeding system for cold water fishes in plateau regions |
| CN105293680A (en) * | 2015-11-26 | 2016-02-03 | 中国水产科学研究院渔业机械仪器研究所 | Biological filter device of purifying industrial circulating water |
| CN105439279A (en) * | 2014-09-25 | 2016-03-30 | 扬州天朗水务设备有限公司 | Biological fluidized bed |
| CN112779147A (en) * | 2020-12-23 | 2021-05-11 | 广西大学 | Method and device for measuring micro mass transfer and biochemical reaction process of microorganism aggregate in fluidized state |
-
2014
- 2014-09-25 CN CN201420556795.XU patent/CN204097179U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439279A (en) * | 2014-09-25 | 2016-03-30 | 扬州天朗水务设备有限公司 | Biological fluidized bed |
| CN104671395A (en) * | 2015-01-26 | 2015-06-03 | 常州大学 | Biological filter bed for treating river pollutant |
| CN104671395B (en) * | 2015-01-26 | 2016-08-24 | 常州大学 | A kind of bacteria bed processed for pollution of river thing |
| CN104787989A (en) * | 2015-04-27 | 2015-07-22 | 哈尔滨工业大学 | Deep-well aeration tank, enhanced wastewater nitrogen and phosphorus removal device and enhanced wastewater nitrogen and phosphorus removal method |
| CN105284703A (en) * | 2015-11-26 | 2016-02-03 | 西藏自治区农牧科学院 | Seedling breeding system for cold water fishes in plateau regions |
| CN105293680A (en) * | 2015-11-26 | 2016-02-03 | 中国水产科学研究院渔业机械仪器研究所 | Biological filter device of purifying industrial circulating water |
| CN105284703B (en) * | 2015-11-26 | 2018-05-08 | 西藏自治区农牧科学院 | Highlands cold water fishes seed rearing system |
| CN112779147A (en) * | 2020-12-23 | 2021-05-11 | 广西大学 | Method and device for measuring micro mass transfer and biochemical reaction process of microorganism aggregate in fluidized state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |