CN205222810U - Reverse aeration sewage treatment pond - Google Patents
Reverse aeration sewage treatment pond Download PDFInfo
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- CN205222810U CN205222810U CN201520869383.6U CN201520869383U CN205222810U CN 205222810 U CN205222810 U CN 205222810U CN 201520869383 U CN201520869383 U CN 201520869383U CN 205222810 U CN205222810 U CN 205222810U
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Abstract
The utility model discloses a reverse aeration sewage treatment pond, a serial communication port, include: the process chamber is for processing unit's main processing space, the aeration dish is nettedly and divides the process chamber into the good oxygen district on upper portion and the double oxygen district of lower part, the water distribution end sets up in process chamber lateral wall top, makes sewage pour into the oxygen district into with parabola, the collector pipe sets up and flows the discharge in the below in the oxygen district of holding concurrently with the sewage that the processing finishes, dysmorphism carbon filler sets up in the good oxygen district of aeration dish top, the spherical filler, the setting is established ties in the good oxygen district of special -shaped carbon filler top to the globular filler that is greater than water by a plurality of density, the oxygen of holding concurrently packs, and the setting is established ties in the oxygen district bottom of holding concurrently to the globular filler that is less than water by a plurality of density.
Description
Technical field
The utility model belongs to sewage disposal technology apparatus field, especially relates to a kind of reverse aerating treatment tank.
Background technology
Current environmental protection industry (epi) mainly contains anaerobic and aerobic and several technology of land law process for small town sewage biologic treating technique, and aerobic treatment technology is mainly divided into biomembrance process and activated sludge process.Various technical finesse effect is very different, has respective advantage and deficiency, mainly introduces several conventional sewage disposal technology below:
1, common aerating biological filter pool filler volume is comparatively large, and filler cost is higher.BAF requires comparatively tight (general requirement SS≤100mg/L, best SS≤60mg/L) water inlet SS (suspended substance), therefore needs to carry out pre-treatment to water inlet, and meanwhile, its back flushing water yield, head loss are all larger; BAF continues the longer cycle of operation, recoil number of times need be reduced and reduce energy consumption, the technique of BAF is used to carry out pre-treatment to water inlet thus to improve running cost, otherwise a large amount of impurity in former water and SS will enter aerating filter, will blocking aeration, water distribution system, bring serious consequence to the operation of system.
2, the relative land occupation area of artificial wetland treatment process is large, and complicacy that is biological and waterpower increases its treatment mechanism, if the parameter that this technological design runs is accurate not, can directly cause water outlet not up to standard.The maximum problem of artificial swamp to run at low ambient temperatures, and when the pollutent ability in temperature too low plant absorption sewage is low, when temperature is lower than 0 DEG C, the waterpower wetted cross sectional that can directly affect artificial swamp after sewage freezes is long-pending, and water outlet can be caused not up to standard.
3, bio-contact oxidation sewage disposal one-time investment is higher, and on filler, microbial film actual quantity becomes with BOD loading, and then microbial film quantity is many for BOD loading height; Vice versa; Biofilm biomass increases with load and increases, and load is too high, then microbial film is blocked up, is easy to blocking in some filler; Make the structure of oxidation pond comparatively complicated because filler is arranged, the installation and maintenance of aerator is not so good as activated sludge process and comes convenient; Filler is selected improper, can have a strong impact on the normal use of contact oxidation method technique.
Utility model content
In order to make up in above-mentioned sewage treatment process all deficiencies produced, the utility model proposes a kind of reverse aerating treatment tank.
The technical scheme realizing above-mentioned beneficial effect is, a kind of reverse aerating treatment tank, is characterized in that, comprising: treatment chamber, is the main process space of processing unit; Aeration plate, in netted and treatment chamber is divided into the aerobic zone on top and the aerobic area of bottom; Cloth water end (W.E.), is arranged on above process chamber sidewalls, makes sewage inject aerobic zone with para-curve; Header, the effluent stream be disposed is discharged by the below being arranged on aerobic area; Abnormity carbon filler, is arranged in the aerobic zone above aeration plate; Ball-type packing, the ball filler being less than water by multiple density is arranged in series in the aerobic zone above special-shaped carbon filler; Double oxygen filler, the ball filler being less than water by multiple density is arranged in series bottom aerobic area.In the technical program, the form of water distribution, lower receipts water in employing, top, top, pond adopts cloth tank, the form of cloth mill weir or cloth water end (W.E.) carries out water distribution, make into water along pond body length direction with similar parabolical track flowing, sewage moves from top to bottom under the effect of gravity and head, through insoluble in the sewage of organism bed filling or the pollutent in water hard to tolerate is stayed toward pond body packing layer by water time, the obstruct and the absorption that are subject to packing layer will increase pollutent and biomembranous duration of contact, obstruct and the absorption of packing layer can be subject to equally the process that air is up walked at the bottom of pond simultaneously, and bubble is cut into less bubble, so just increase the specific surface area of air and biofilm contact, the bubble that part is little even can be adsorbed in the gap of filler, so improve specific surface area and the time of air and biofilm contact greatly, coefficient of oxygen utilization is greatly improved compared with other techniques, pollutants removal rate is greatly improved too simultaneously.
Described special-shaped carbon filling material is arranged on 0.6-0.8m place above aeration plate.
The volume ratio of described special-shaped carbon filling material and Ball-type packing is 1: 4-1: 7.
Described Ball-type packing and double oxygen filler shell are porous suspended ball filler shell.
Basis is novel by adding the suspending carrier of some amount in reactor, can also be improved the biomass in reactor and biological species, thus improving the processing efficiency of reactor.Because packing density is close to water, so when aeration, be complete admixture with water, the environment of microorganism growth is gas, liquid, solid three-phase.The collision of carrier in water and shearing action, make air bubble more tiny, add the utilization ratio of oxygen.In addition, inside and outside each carrier, all there is different biological species, some anerobes of growth inside or double oxygen bacterium, outside is bacteria as well, each like this carrier is a microreactor, nitration reaction and anti-nitration reaction is existed simultaneously, thus improves treatment effect.
Accompanying drawing explanation
Fig. 1 is the diagrammatic side-view cross-sectional structural representation of a kind of embodiment for the treatment of chamber of the present invention;
Fig. 2 is the current of the present invention in treatment scheme and air flow direction schematic diagram;
Fig. 3 is the schematic top plan view of a kind of embodiment for the treatment of chamber of the present invention;
In figure, 1, treatment chamber; 11, aerobic zone; 12, aerobic area; 2, aeration plate; 3, cloth water end (W.E.); 4, header; 5, special-shaped carbon filling material; 6, Ball-type packing; 7, double oxygen filler.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Composition graphs 1, a kind of embodiment of the present utility model.
A kind of reverse aerating treatment tank, it is characterized in that, comprising: treatment chamber 1, is the main process space of processing unit; Aeration plate 2, in netted and treatment chamber is divided into the aerobic zone on top and the aerobic area of bottom; Cloth water end (W.E.) 3, is arranged on above process chamber sidewalls, makes sewage inject aerobic zone with para-curve; Header 4, the effluent stream be disposed is discharged by the below being arranged on aerobic area; Abnormity carbon filler 5, is arranged in the aerobic zone above aeration plate; Ball-type packing 6, the ball filler being less than water by multiple density is arranged in series in the aerobic zone above special-shaped carbon filler; Double oxygen filler 7, the ball filler being less than water by multiple density is arranged in series bottom aerobic area.In the present embodiment, described special-shaped carbon filling material is arranged on 0.6-0.8m place above aeration plate.The volume ratio of described special-shaped carbon filling material and Ball-type packing is 1: 5. Ball-type packing described in and double oxygen filling surface are all processed in latticed.Described Ball-type packing and double oxygen filler shell are many hoverings ball float filler shell.
A kind of novel compositions aerobic biologic membrane process structure that the utility model is is bio-carrier with carbon modified filler and high molecular weight steric aeration and biological bed.This structure main units comprises reverse aerating pond.Carbon modified filler and high molecular weight steric aeration and biological bed hole large, the feature (proportion is slightly larger than water) that packing quality is light, under aeration state, filler is in low intensive tumbling state, phase mutual friction between filler, collision make aging microbial film be come off, effectively can promote the generation of true tumor film, effectively prevent filtrate in Treatmeat Process of Aeration Biofiler simultaneously and hold susceptible to plugging shortcoming, therefore do not need back flushing
This novel employing upper end water distribution, the mode of water is received in lower end.The aging microbial film come off brings next processing unit (precipitation unit) into by receiving water pipe, is removed, and effectively can prevent the heavy mud in below, part is insoluble or hard to tolerate when the pollutent of water is stayed toward pond body packing layer by water simultaneously, the obstruct and the absorption that are subject to packing layer will increase pollutent and biomembranous duration of contact, obstruct and the absorption of packing layer can be subject to equally the process that air is up walked at the bottom of pond simultaneously, and bubble is cut into less bubble, so just increase the specific surface area of air and biofilm contact, the bubble that part is little even can be adsorbed in the gap of filler, so improve specific surface area and the time of air and biofilm contact greatly, coefficient of oxygen utilization is greatly improved compared with other techniques, pollutants removal rate is greatly improved too simultaneously
In reverse aerating pond, aeration plate installation site is positioned at body middle and lower part, pond, make more than aeration plate to be aerobic zone in this pond body, it is aerobic area below aeration plate, in aerobic zone, mineralized nitrogen is become nitric nitrogen by nitrifier, in aerobic area, nitric nitrogen is converted into nitrogen, simultaneously because aerobic zone and aerobic area exist the mass transfer of local, thus achieves single pond inter-sync nitration denitrification; Simultaneously on the microbial film of filler, new film constantly produces rete and thickeies, and the oxygen that inner rete absorbs is fewer and feweri, and aerobic bacteria starts to be suppressed generation some double oxygen bacterium or anerobes, also there is denitrification in rete inside.Therefore in denitrogenation processing process without the need to backflow, saved energy consumption
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a reverse aerating treatment tank, is characterized in that, comprising:
Treatment chamber is the main process space of processing unit;
Aeration plate, in netted and treatment chamber is divided into the aerobic zone on top and the aerobic area of bottom;
Cloth water end (W.E.), is arranged on above process chamber sidewalls, makes sewage inject aerobic zone with para-curve;
Header, the effluent stream be disposed is discharged by the below being arranged on aerobic area;
Abnormity carbon filler, is arranged in the aerobic zone above aeration plate;
Ball-type packing, the ball filler being greater than water by multiple density is arranged in series in the aerobic zone above special-shaped carbon filler;
Double oxygen filler, the ball filler being less than water by multiple density is arranged in series bottom aerobic area.
2. reverse aerating treatment tank according to claim 1, is characterized in that, described special-shaped carbon filler is arranged on 0.6-0.8m place above aeration plate.
3. reverse aerating treatment tank according to claim 1, is characterized in that, the volume ratio of described special-shaped carbon filler and Ball-type packing is 1: 5.
4. reverse aerating treatment tank according to claim 3, is characterized in that, described Ball-type packing and double oxygen filling surface are all processed in latticed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869383.6U CN205222810U (en) | 2015-11-03 | 2015-11-03 | Reverse aeration sewage treatment pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869383.6U CN205222810U (en) | 2015-11-03 | 2015-11-03 | Reverse aeration sewage treatment pond |
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| Publication Number | Publication Date |
|---|---|
| CN205222810U true CN205222810U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520869383.6U Active CN205222810U (en) | 2015-11-03 | 2015-11-03 | Reverse aeration sewage treatment pond |
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| CN (1) | CN205222810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254010A (en) * | 2015-11-03 | 2016-01-20 | 重庆乐善环保科技有限公司 | Reverse aeration sewage treatment pool and treatment method adopting treatment pool |
| CN110156159A (en) * | 2019-06-04 | 2019-08-23 | 北京博汇特环保科技股份有限公司 | A kind of mixed bed biochemical treatment apparatus and sewage water treatment method |
-
2015
- 2015-11-03 CN CN201520869383.6U patent/CN205222810U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105254010A (en) * | 2015-11-03 | 2016-01-20 | 重庆乐善环保科技有限公司 | Reverse aeration sewage treatment pool and treatment method adopting treatment pool |
| CN110156159A (en) * | 2019-06-04 | 2019-08-23 | 北京博汇特环保科技股份有限公司 | A kind of mixed bed biochemical treatment apparatus and sewage water treatment method |
| CN110156159B (en) * | 2019-06-04 | 2023-12-01 | 北京博汇特环保科技股份有限公司 | Mixed bed biochemical treatment device and sewage treatment method |
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