CN204588814U - A kind of aerobic reactor - Google Patents
A kind of aerobic reactor Download PDFInfo
- Publication number
- CN204588814U CN204588814U CN201520258685.XU CN201520258685U CN204588814U CN 204588814 U CN204588814 U CN 204588814U CN 201520258685 U CN201520258685 U CN 201520258685U CN 204588814 U CN204588814 U CN 204588814U
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- CN
- China
- Prior art keywords
- guide shell
- conservancy diversion
- water conservancy
- lower guide
- diversion bucket
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- 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
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses a kind of aerobic reactor, it comprises reflection cone, base plate and wallboard, described reflection cone is arranged on described base plate, flow deflector is provided with in the surrounding of reflection cone, lower guide shell, upper guide shell and water conservancy diversion bucket is provided with successively directly over reflection cone, described lower guide shell is connected with inlet pipe and water inlet pipe, the top of lower guide shell is connected with the bottom of described upper guide shell, in upper guide shell, stirrer is installed, the bottom of described water conservancy diversion bucket is connected with the top of upper guide shell, and water conservancy diversion bucket is connected with rising pipe.The problems such as the utility model can to solve in sewage disposal that the activated sludge concentration that conventional aerobic reactor exists is low, organic loading is low, Aeration fan power is large, aeration energy consumption is high, Chi Rong great, construction investment are large, it can improve content, reduction pond appearance, the aeration energy consumption that reduces, the reduction running cost of active sludge, has energy-conservation, efficient feature.
Description
Technical field
The utility model relates to a kind of sewage disposal device, is specifically related to a kind of aerobic reactor.
Background technology
The main purpose of sewage treatment project removes organic pollutant, nitrogen, the phosphorus in sewage, thus reduce the pollution to environment.Biological process sewage disposal technology is one of major technique of sewage disposal, and aerobic treatment method is made good use of oxygen animalcule (comprising aerobic-anaerobic microbe) having under oxygen existent condition and is carried out biological metabolism with degradation of organic substances, making its stable, innoxious treatment process, is one of main method of biological process sewage disposal.
In aerobic reactor, mainly make good use of oxygen animalcule degradable organic pollutant; Ammonium oxidation in sewage is nitrate nitrogen by the nitrifier made good use of in oxygen animalcule, is one of biological denitrificaion principal reaction; Making good use of the phosphorus in the polyP bacteria excessive adsorption sewage in oxygen animalcule, is one of the key step of biological phosphate-eliminating.
Aerobic treatment is carried out in aerobic reactor, and conventional aerobic reactor is primarily of cuboid pond body, aerator and aerated conduit, filler and support, air feed blower fan etc. composition, and conventional aerobic reactor mainly exists following shortcoming:
1, due to power that traditional aerobic reactor only adopts air to mix with sewage as active sludge in reactor, when activated sludge concentration height, active sludge can be suspended in sewage surface, and flows out with water, and thus in traditional aerobic reactor, the concentration of active sludge is generally 2 ~ 4kg/m
3mixed solution, so activated sludge concentration is low.
2, in Aerobic, the main effect relying on aerobic activated sludge to realize nitrated, poly-phosphorus, degradation of organic substances, because activated sludge concentration is low, in the mixed solution of unit volume, the quantity of aerobic microbiological is few, and thus, organic loading is low.
3, because activated sludge concentration is low, organic loading is low, so the volume processing the pond of the aerobic reactor required for a certain amount of pollutent is just larger, cause the quantity of aerator, the volume of filler increases all thereupon, thus construction investment is large.
4, the aerator of traditional aerobic reactor from the height of liquid level in pond at 3000 ~ 5000mm, because the static pressure ratio of water is higher, add the pressure-losses of aerated conduit and aerator, require that the top hole pressure of blower fan is at 39.2 ~ 58.8kpa, thus Aeration fan power is large, aeration energy consumption is high.
Summary of the invention
for overcoming the deficiencies in the prior art, the utility model provides a kind of aerobic reactor, and it adopts the technology such as single tube air inlet, Inka aeration, three grades of water conservancy diversion, mechanical plug-flow, short mix to solve the problems referred to above.
The technical scheme that the utility model is taked is: a kind of aerobic reactor, it comprises reflection cone, base plate and wallboard, described reflection cone is arranged on described base plate, flow deflector is provided with in the surrounding of reflection cone, lower guide shell, upper guide shell and water conservancy diversion bucket is provided with successively directly over reflection cone, described lower guide shell is connected with inlet pipe and water inlet pipe, the top of lower guide shell is connected with the bottom of described upper guide shell, in upper guide shell, stirrer is installed, the bottom of described water conservancy diversion bucket is connected with the top of upper guide shell, and water conservancy diversion bucket is connected with rising pipe.
Described stirrer is installed straight down, and the impeller of stirrer extends in lower guide shell; Stirrer adopts diving mixer.
Described lower guide shell is fixedly connected with described wallboard by retaining plate.
The air outlet of described inlet pipe is equipped with air nozzle.
Described flow deflector and base plate angle at 45 °, and along wallboard around a circle.
Described reactor is vertical, cylindrical; Water conservancy diversion bucket is back taper; Reflection cone is conical, and the inclined-plane of reflection cone and base plate angle at 45 °, the vertex of a cone of reflection cone is immediately below the center of described lower guide shell.
The bottom of described wallboard is connected with shore pipe.
The straight side length of described water conservancy diversion bucket is 50 ~ 150mm; Distance between the straight flange of water conservancy diversion bucket and reactor wallboard 4 is 200 ~ 500mm; The bottom of described lower guide shell is 500 ~ 1000mm from the distance of reactor base plate; Distance between the bottom of described inlet pipe and the top of water conservancy diversion bucket is 1000 ~ 1200mm; Distance between the top of described rising pipe and the top of water conservancy diversion bucket is 50 ~ 150mm.
The beneficial effects of the utility model are:
1, the sewage entered in the downward guide shell of water inlet pipe with in inlet pipe, the downward guide shell of air nozzle, enter air and the sewage flowed into from water conservancy diversion bucket, upper guide shell downwards, aerobic activated sludge can mix rapidly in lower guide shell, gas, liquid, solid three-phase close contact, improve the utilising efficiency of air, improve the mass transfer velocity of sewage and active sludge.
2, the distance h4=1000 ~ 1200mm between the bottom of inlet pipe and the top of water conservancy diversion bucket, in reactor, the distance of liquid level is 900 ~ 1000mm, reduces the static pressure of water; Adopt the mode of single tube aeration, decrease the length of aerated conduit, thus reduce the pressure-losses of air; This aeration mode, under the condition of same air capacity, the power reduction of blower fan 60 ~ 70%, thus reduce the aeration energy consumption of 60 ~ 70%.
3, the mode adopting stirrer 10 to mix as gas, liquid, solid three-phase, in reactor, the concentration of active sludge is up to 10 ~ 20kg/m
3mixed solution, improves more than 500% than the organic loading of traditional aerobic reactor.
4, high sludge concentration, high organic loading, under the condition of the sewage of the same water quality of process, the water yield, the volume reducing of reactor more than 80%, thus significantly reduce the construction investment of reactor.
5, this reactor is without traditional aerator, no-arbitrary pricing and support, reduces installation difficulty, reduces construction cost.
Biological process sewage disposal described in the utility model, refers to the sewage water treatment method utilizing the metabolism of microorganism to decompose water pollutant.
Aeration described in the utility model, refers to that water contacts with gas, carries out the process of dissolved oxygen or loose dewater middle dissolved gas and volatile matter.
Aerobic activated sludge described in the utility model refers to the flock containing various aerobic microbiological colony of breeding in aeration tank.
Aerobic treatment described in the utility model refers to sewage through the aeration of long period in aerobic reactor, and wherein a part of organism is degraded and stable process further by aerobic microbiological.
Organic loading described in the utility model refers to the organism amount can removed in unit volume filtrate (or pond) unit time.It is the important parameter of biological filter (or aeration tank) design and running.Its measure unit is usually with kgCOD/(m
3or kgBOD/(m d)
3d) represent.
Described in the utility modelly nitratedly refer in sewage treatment process the process utilizing nitrobacteria to be nitrate nitrogen by ammonium oxidation in water.
Biological phosphate-eliminating described in the utility model refers to that in active sludge, polyP bacteria under anaerobic discharges phosphorus, under aerobic condition, absorb more phosphorus, is removed the process of anhydrous middle phosphorus by the excess sludge that discharge phosphorus content is high.
Biological denitrificaion described in the utility model refers to and utilizes aerobic bacteria, under aerobic condition, ammonia nitrogen in sewage is oxidized to nitrate nitrogen, and nitrate nitrogen is reduced into nitrogen by recycling anerobe under anoxic conditions, removes the process of nitrogen from sewage.
Accompanying drawing explanation
Fig. 1 is aerobic reactor upright structural representation.
Fig. 2 is aerobic reactor side elevation structural representation.
Fig. 3 is aerobic reactor plan structure schematic diagram.
Fig. 4 is aerobic reactor AA cross-sectional view.
Fig. 5 is aerobic reactor principal dimension schematic diagram.
Fig. 6 is fluidised form schematic diagram in aerobic reactor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figures 1 to 5, a kind of aerobic reactor, it comprises reflection cone 1, base plate 3 and wallboard 4, described reflection cone 1 is arranged on described base plate 3, flow deflector 2 is provided with in the surrounding of reflection cone 1, lower guide shell 6, upper guide shell 8 and water conservancy diversion bucket 9 is provided with successively directly over reflection cone 1, described lower guide shell 6 is connected with inlet pipe 12 and water inlet pipe 13, the top of lower guide shell 6 is connected with the bottom of described upper guide shell 8, in upper guide shell 8, stirrer 10 is installed, the bottom of described water conservancy diversion bucket 9 is connected with the top of upper guide shell 8, water conservancy diversion bucket 9 is connected with rising pipe 7.
In the utility model, described stirrer 10 is installed straight down, and the impeller of stirrer 10 extends in lower guide shell 6; Stirrer 10 adopts diving mixer, and its material is cast iron or stainless steel.Described lower guide shell 6 is fixedly connected with described wallboard 4 by retaining plate 5.The air outlet of described inlet pipe 12 is equipped with air nozzle 11.Described flow deflector 2 and base plate 3 angle at 45 °, and along wallboard 4 around a circle.Described reactor is vertical, cylindrical, adopts carbon steel welded steel plate or Steel Concrete to build and forms; Reflection cone 1 is conical, and adopt carbon steel or stainless steel plate to make, the inclined-plane of reflection cone 1 and base plate 3 angle at 45 °, the vertex of a cone of reflection cone 1 is immediately below the center of described lower guide shell 6.Shore pipe 14 is connected with in the bottom of described wallboard 4.
Water conservancy diversion bucket 9 is back taper, adopts carbon steel or stainless steel plate to make, bottom and upper guide shell 8 upper weld; The top of water conservancy diversion bucket 9 and the distance h1=500mm of reactor top; Straight side length h3=50 ~ the 150mm of water conservancy diversion bucket 9; Distance b1=200 ~ 500mm between the straight flange of water conservancy diversion bucket 9 and reactor wallboard 4.Upper guide shell 8, lower guide shell 6 are cylindrical, adopt carbon steel or stainless steel soil weld; The bottom of lower guide shell 6 is from the distance h5=500 ~ 1000mm of reactor base plate 3.The air of inlet pipe 12 by the air nozzle 11 entered below stirrer 10 impeller in lower guide shell 6, and sprays downwards; Inlet pipe 12 adopts carbon steel or stainless steel tube to make, and air nozzle 11 adopts carbon steel or stainless steel solid conical nozzle; Distance h4=1000 ~ 1200mm between the bottom of inlet pipe 12 and the top of water conservancy diversion bucket 9.Rising pipe 7 is passed down through reactor wallboard 4 from water conservancy diversion bucket 9.Distance h2=50 ~ 150mm between the top of rising pipe 7 and the top of water conservancy diversion bucket 9.
As shown in Figure 6, working process of the present utility model is: first start stirrer 10, when starting stirrer 10, due to the pushing effect of agitator, the mixed solution of sewage and active sludge flows downward along upper guide shell 8, lower guide shell 6, outside surface along reflection cone 1 flows to surrounding, through the backward upper flowing of flow deflector 2, thus in aerobic reactor, forms the circulation containing solid (aerobic activated sludge), liquid (sewage) two-phase.
Then in water inlet pipe 13 downwards guide shell 6, enter sewage, then in inlet pipe 12, air nozzle 11 downwards guide shell 6, enter air.Under the promotion of stirrer 10, the air entered from inlet pipe 12 and the sewage entered from water inlet pipe 13 mix in lower guide shell 6 with the sewage flowed into downwards from water conservancy diversion bucket 9, upper guide shell 8, aerobic activated sludge, and flow downward, outside surface along reflection cone 1 flows to surrounding, through the backward upper flowing of flow deflector 2, thus in aerobic reactor, form the circulation containing solid (aerobic activated sludge), liquid (sewage), gas (air) three-phase.
In flow process, the effects such as the various mushrooms in aerobic activated sludge are degraded to the COD in sewage, ammonia nitrogen, total phosphorus, nitrated, poly-phosphorus, realize the process to sewage.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art and is realized.
Claims (8)
1. an aerobic reactor, it is characterized in that: comprise reflection cone (1), base plate (3) and wallboard (4), described reflection cone (1) is arranged on described base plate (3), flow deflector (2) is provided with in the surrounding of reflection cone (1), lower guide shell (6) is provided with successively directly over reflection cone (1), upper guide shell (8) and water conservancy diversion bucket (9), described lower guide shell (6) is connected with inlet pipe (12) and water inlet pipe (13), the top of lower guide shell (6) is connected with the bottom of described upper guide shell (8), stirrer (10) is installed in upper guide shell (8), the bottom of described water conservancy diversion bucket (9) is connected with the top of upper guide shell (8), water conservancy diversion bucket (9) is connected with rising pipe (7).
2. aerobic reactor according to claim 1, is characterized in that: described stirrer (10) is installed straight down, and the impeller of stirrer (10) extends in lower guide shell (6); Stirrer (10) adopts diving mixer.
3. aerobic reactor according to claim 1, is characterized in that: described lower guide shell (6) is fixedly connected with described wallboard (4) by retaining plate (5).
4. aerobic reactor according to claim 1, is characterized in that: the air outlet of described inlet pipe (12) is equipped with air nozzle (11).
5. aerobic reactor according to claim 1, is characterized in that: described flow deflector (2) and base plate (3) angle at 45 °, and along wallboard (4) around a circle.
6. aerobic reactor according to claim 1, is characterized in that: described reactor is vertical, cylindrical; Water conservancy diversion bucket (9) is back taper; Reflection cone (1) is conical, and the inclined-plane of reflection cone (1) and base plate (3) angle at 45 °, the vertex of a cone of reflection cone (1) is immediately below the center of described lower guide shell (6).
7. aerobic reactor according to claim 1, is characterized in that: the bottom of described wallboard (4) is connected with shore pipe (14).
8. aerobic reactor according to claim 1, is characterized in that: the straight side length of described water conservancy diversion bucket (9) is 50 ~ 150mm; Distance between the straight flange of water conservancy diversion bucket (9) and reactor wallboard (4) is 200 ~ 500mm; The bottom of described lower guide shell (6) is 500 ~ 1000mm from the distance of reactor base plate (3); Distance between the bottom of described inlet pipe (12) and the top of water conservancy diversion bucket (9) is 1000 ~ 1200mm; Distance between the top of described rising pipe (7) and the top of water conservancy diversion bucket (9) is 50 ~ 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258685.XU CN204588814U (en) | 2015-04-27 | 2015-04-27 | A kind of aerobic reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258685.XU CN204588814U (en) | 2015-04-27 | 2015-04-27 | A kind of aerobic reactor |
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| Publication Number | Publication Date |
|---|---|
| CN204588814U true CN204588814U (en) | 2015-08-26 |
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ID=53924989
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520258685.XU Expired - Fee Related CN204588814U (en) | 2015-04-27 | 2015-04-27 | A kind of aerobic reactor |
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| Country | Link |
|---|---|
| CN (1) | CN204588814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522285A (en) * | 2017-09-08 | 2017-12-29 | 东北农业大学 | One kind processing high-concentration ammonia nitrogenous wastewater aerobic activated sludge granulation device and method |
| CN109368772A (en) * | 2018-12-12 | 2019-02-22 | 成都利尔环保技术开发有限公司 | Recycle current flow fixed bed aerobic biofilter |
-
2015
- 2015-04-27 CN CN201520258685.XU patent/CN204588814U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522285A (en) * | 2017-09-08 | 2017-12-29 | 东北农业大学 | One kind processing high-concentration ammonia nitrogenous wastewater aerobic activated sludge granulation device and method |
| CN107522285B (en) * | 2017-09-08 | 2020-10-23 | 东北农业大学 | Aerobic activated sludge granulation device and method for treating high-concentration ammonia-nitrogen wastewater |
| CN109368772A (en) * | 2018-12-12 | 2019-02-22 | 成都利尔环保技术开发有限公司 | Recycle current flow fixed bed aerobic biofilter |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20200427 |