CN104828936A - Solar energy heat-supply type main stream domestic sewage anaerobic ammonium oxidation greenhouse reaction tank - Google Patents
Solar energy heat-supply type main stream domestic sewage anaerobic ammonium oxidation greenhouse reaction tank Download PDFInfo
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- CN104828936A CN104828936A CN201510178104.6A CN201510178104A CN104828936A CN 104828936 A CN104828936 A CN 104828936A CN 201510178104 A CN201510178104 A CN 201510178104A CN 104828936 A CN104828936 A CN 104828936A
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention relates to a solar energy heat-supply type main stream domestic sewage anaerobic ammonium oxidation greenhouse reaction tank, which comprises a reactor body, wherein the reactor body sequentially comprises a reflux water distribution unit, a mud discharge unit, an autotrophy denitrogenation unit, a three-phase separation unit and a water outlet gas discharge unit from bottom to top, the reflux water distribution unit is provided with a water inlet pipe, a nitrogen reflux pipe and an effluent reflux pipe, the mud discharge port of the mud discharge unit is arranged on the side surface of the bottom end of the reactor body, the three-phase separation region is provided with an upper gas collection cover, a lower gas collection cover, a diversion pipe and a water collection pool, the water outlet unit comprises a water outlet groove and a water discharge port, the outer portion of the reactor body is provided with a greenhouse cover, the upper portion of the greenhouse cover is provided with an exhaust fan, an external temperature probe is arranged between the greenhouse cover and the upper cabinet, and an internal temperature probe is arranged in the upper cabinet. The solar energy heat-supply type main stream domestic sewage anaerobic ammonium oxidation greenhouse reaction tank has the following beneficial effects that: with the greenhouse cover, the adverse impact of the seasonal and nycterohemeral temperature difference on the denitrogenation performance of the anaerobic ammonium oxidation reactor can be released; and the water outlet and nitrogen reflux system has effects of strong impact load resistance, sufficient upflow velocity and shear force providing, and sludge granulation promoting.
Description
Technical field
The present invention relates to a kind of solar-heating type main flow sanitary sewage Anammox greenhouse retort.
Background technology
Along with the continuous propelling of China's urbanization paces, the regeneration of city domestic sewage and energy recovery become the focus of society day by day, the current energy and cost benefit and Sustainable development develop into the mark post of city domestic sewage treatment industry gradually, this for improving life of urban resident level, to build conservation culture city of low energy significant.And traditional cities sewage treatment process energy consumption is large, energy utilization rate is low, and efficient low-consume treatment technology is difficult point and the focus in sanitary sewage disposal field always.
Autotrophic type anaerobic ammonia oxidation process is coupled half short distance nitration process city domestic sewage, can reduce sludge yield, reduces oxygen supply energy consumption, can also by the organism in sewage as far as possible fully for generation of energy substance, i.e. anaerobic methane production.At the end of 1914, half short distance nitration-anaerobic ammoxidation through engineering approaches device in worldwide is more than 100, wherein about 75% is the effluent process being applied in city domestic sewage anaerobic sludge Digestive system, but does not also process the Anammox job facilities of main flow city domestic sewage so far.This is because anaerobic ammonia oxidizing bacteria optimum temperuture is at about 35 DEG C, low temperature can have a strong impact on denitrification activity and the settling property of anaerobic ammonium oxidation sludge.For non-subtropical and tropical zones, seasonal variation and day and night temperature are still the huge challenge of city domestic sewage main flow anaerobic ammonia oxidation process.Under the prerequisite ensureing anaerobic ammonia oxidation reactor efficient denitrification, need heat supply of consuming energy, reduce the economic benefit of this technique.
And warmhouse booth technology is widely used in the cultivation field of the warm farm crop of agricultural happiness also known as greenhouse, there is cost of investment low, heat the features such as successful.
Summary of the invention
The present invention is directed to current anerobic sowage oxidative ammonolysis tank easily by the problem that season and day and night temperature affect; propose that a kind of to alleviate season and day and night temperature strong to the disadvantageous effect of anaerobic ammonia oxidation reactor nitrogen removal performance, anti impulsion load ability; and enough upflow velocities and shearing force can be provided, promote the granular solar-heating type main flow sanitary sewage Anammox greenhouse retort of mud.
A kind of solar-heating type main flow sanitary sewage Anammox greenhouse of the present invention retort, comprise reactor body, it is characterized in that: described reactor body is followed successively by backflow water distribution unit, spoil disposal unit, autotrophic denitrification unit, three phase separation unit, water outlet exhaust unit from top to bottom, and described backflow water distribution unit is provided with the water inlet pipe for being connected with extraneous intake pump water outlet, the nitrogen reflux pipe be communicated with gas skirt vapor pipe, the effluent recycling pipe that is communicated with water port; The mud discharging mouth of described spoil disposal unit is located at side, reactor body bottom; Described three-phase separation area is provided with gas skirt, lower gas skirt, along longitudinal thrust-augmenting nozzle, the water collecting basin arranged of reactor body, described upper gas skirt is arranged on reactor body top, autotrophic denitrification unit is divided into the lower cabin of connection and upper cabin by lower gas skirt; Described water collecting basin is communicated with thrust-augmenting nozzle top; Described water unit comprises the effluent trough being arranged on reactor body periphery, the water port be arranged on effluent trough; Described reactor body outside is provided with greenhouse cover, and described cover top, greenhouse is provided with exhaust fan, and greenhouse is provided with outer temp probe between Zhao Yushang cabin, upper-deck cabin indoor are provided with interior temp probe.
Described reactor body is cylindric, and aspect ratio is 2:1 ~ 5:1, and described lower cabin and upper cabin volume ratio are 2:1 ~ 5:1.
Described thrust-augmenting nozzle is divided into up-flow thrust-augmenting nozzle and falls stream thrust-augmenting nozzle, and stream thrust-augmenting nozzle outside is falling in described up-flow flow-directing shroud; Be connected with lower gas skirt top bottom described up-flow thrust-augmenting nozzle, up-flow thrust-augmenting nozzle top through water collecting basin bottom exceed water collecting basin bottom, and keeps equal height with the overflow weir being arranged on reactor body top; Water collecting basin center bottom flows thrust-augmenting nozzle and communicates with falling; The water distribution area that stream thrust-augmenting nozzle extends to reactor body bottom backflow water distribution unit is always fallen.
Described greenhouse cover is cylindric, and adopt three layers of curtain structure, outer curtain is gobo, and middle curtain is glass or plastics film lighting material, and inside story is insulation film.
Described greenhouse cover is 2 ~ 4:1 with the diameter ratio of reactor body, and aspect ratio is 1 ~ 1.5:1, interval 30-50cm between middle curtain and inside.
Described reactor body outside adopts steel plate to make, and steel plate skin scribbles black heat-absorbing paint.
This device can according to outer temp probe and interior temp probe monitoring reactor internal temperature, and when internal temperature is greater than 37 DEG C, the gobo minimizing daylighting that can increase greenhouse cover surface coverage or the exhaust fan opening cover top, greenhouse are lowered the temperature.
The invention has the beneficial effects as follows: 1. peripheral hardware greenhouse cover, season and day and night temperature can be alleviated to the disadvantageous effect of anaerobic ammonia oxidation reactor nitrogen removal performance; 2. adopt water outlet and nitrogen reflux system, good mixing effect, anti impulsion load ability is strong, and can provide enough upflow velocities and shearing force, promotes the granulating of mud.
Accompanying drawing explanation
Fig. 1 is structure iron of the present invention (arrow represent sludge stream to).
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing
With reference to accompanying drawing:
Embodiment 1 a kind of solar-heating type main flow sanitary sewage Anammox greenhouse of the present invention retort, comprise reactor body, described reactor body is followed successively by backflow water distribution unit, spoil disposal unit, autotrophic denitrification unit, three phase separation unit, water outlet exhaust unit from top to bottom, and described backflow water distribution unit is provided with the water inlet pipe 1 for being connected with extraneous intake pump water outlet, the nitrogen reflux pipe 10 be communicated with gas skirt vapor pipe, the effluent recycling pipe 3 that is communicated with water port; The mud discharging mouth 2 of described spoil disposal unit is located at side, reactor body bottom; Described three-phase separation area is provided with gas skirt 11, lower gas skirt 18, along longitudinal thrust-augmenting nozzle, the water collecting basin 7 arranged of reactor body, described upper gas skirt 11 is arranged on lower cabin 4 and the upper cabin 5 that autotrophic denitrification unit is divided into connection by reactor body top, lower gas skirt 18; Described water collecting basin 7 is communicated with thrust-augmenting nozzle top; Described water unit comprises the effluent trough 13 being arranged on reactor body periphery, the water port 6 be arranged on effluent trough 13; Described reactor body outside is provided with greenhouse cover 12, and described greenhouse cover 12 top is provided with exhaust fan 8, is provided with in outer temp probe 15, upper cabin 5 and is provided with interior temp probe 16 between greenhouse cover 12 and upper cabin 5.
Described reactor body is cylindric, and aspect ratio is 2:1 ~ 5:1, and described lower cabin 4 and upper cabin 5 volume ratio are 2:1 ~ 5:1.
Described thrust-augmenting nozzle is divided into up-flow thrust-augmenting nozzle 17 and falls stream thrust-augmenting nozzle 19, and described up-flow thrust-augmenting nozzle 17 is enclosed within and falls stream thrust-augmenting nozzle 19 outside; Be connected with lower gas skirt 18 top bottom described up-flow thrust-augmenting nozzle 17, up-flow thrust-augmenting nozzle 17 top through water collecting basin 7 bottom exceed water collecting basin 7 bottom, and keeps equal height with the overflow weir 14 being arranged on reactor body top; Water collecting basin 7 center bottom flows thrust-augmenting nozzle 19 and communicates with falling; The water distribution area that stream thrust-augmenting nozzle 19 extends to reactor body bottom backflow water distribution unit is always fallen.
Described greenhouse cover 12 is in cylindric, and adopt three layers of curtain structure, outer curtain is gobo, and middle curtain is glass or plastics film lighting material, and inside story is insulation film.
Described greenhouse cover 12 is 2 ~ 4:1 with the diameter ratio of reactor body, and aspect ratio is 1 ~ 1.5:1, interval 30-50cm between middle curtain and inside.
Described reactor body outside adopts steel plate to make, and steel plate skin scribbles black heat-absorbing paint.
This device can according to outer temp probe 15 and interior temp probe 16 monitoring reactor internal temperature, and when internal temperature is greater than 37 DEG C, the gobo minimizing daylighting that can increase greenhouse cover surface coverage or the exhaust fan 8 opening greenhouse cover 12 top are lowered the temperature.
A kind of solar-heating type main flow sanitary sewage Anammox greenhouse of the present invention retort main body can make of steel plate, outside greenhouse cover 12 adopts three layers of curtain structure, outer curtain is gobo, and middle curtain is glass or plastics film lighting material, and inside story is insulation film.The solar radiation of daytime based on short-wave radiation is converted into long-wave radiation by making after curtain daylighting glass or plastics film enter greenhouse in greenhouse cover 12 surface room air heat up, long-wave radiation is intercepted in greenhouse by curtain in greenhouse again, thus the gathering of heat in forming chamber, make that room temp is stable to be improved.At night, pull on inside story insulation film, indoor outwards radiations heat energy, runs into insulation film and returns to indoor again, in the temperature that indoor maintenance is certain.This device also can according to outer temp probe 15 and interior temp probe 16 monitoring reactor water temperature inside, and when water temperature is higher than 37 DEG C, the exhaust fan 8 can pulled on the outer curtain gobo minimizing daylight rate in greenhouse cover 12 surface or open greenhouse cover 12 top is lowered the temperature.Reactor body operation scheme is as follows: half short distance nitration water outlet and anaerobic ammonia oxidation effluent introduce cabin 4 under reactor by water inlet pipe 1, under the effect of backflow nitrogen, flows thrust-augmenting nozzle 19 water outlet and fully mixes, the NH in waste water with falling
4 +and NO
2 -under the effect of anaerobic ammonium oxidizing bacteria, be converted into nitrogen, the nitrogen of generation constantly rises and to be collected by lower gas skirt 18.Waste water rises to water collecting basin 7 through up-flow thrust-augmenting nozzle 18 under gas stripping, because of action of gravity gas-water separation, waste water falls into water collecting basin 7 and turns back to reactor bottom through falling stream thrust-augmenting nozzle 19, nitrogen is collected by upper gas skirt 11, part comes back to reactor bottom through nitrogen reflux pipe 10, and part discharges reactor through vapor pipe 9.Descend mud mixture in cabin 4 to flow into upper cabin 5 subsequently, mud sinks because of gravity in the chamber, and is back in lower cabin 4, and residue nitrogen is collected through upper gas skirt 11, and clarified wastewater flows in effluent trough 13 through overflow weir 14, discharges reactor from water outlet 6.Excess sludge can discharge reactor by the mud discharging mouth 2 of reactor body bottom.
Content described in this specification sheets embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the specific form that embodiment is stated, protection scope of the present invention also comprises those skilled in the art and conceives the equivalent technologies means that can expect according to the present invention.
Claims (6)
1. a solar-heating type main flow sanitary sewage Anammox greenhouse retort, comprise reactor body, it is characterized in that: described reactor body is followed successively by backflow water distribution unit, spoil disposal unit, autotrophic denitrification unit, three phase separation unit, water outlet exhaust unit from top to bottom, and described backflow water distribution unit is provided with the water inlet pipe for being connected with extraneous intake pump water outlet, the nitrogen reflux pipe be communicated with gas skirt vapor pipe, the effluent recycling pipe that is communicated with water port; The mud discharging mouth of described spoil disposal unit is located at side, reactor body bottom; Described three-phase separation area is provided with gas skirt, lower gas skirt, along longitudinal thrust-augmenting nozzle, the water collecting basin arranged of reactor body, described upper gas skirt is arranged on reactor body top, autotrophic denitrification unit is divided into the lower cabin of connection and upper cabin by lower gas skirt; Described water collecting basin is communicated with thrust-augmenting nozzle top; Described water unit comprises the effluent trough being arranged on reactor body periphery, the water port be arranged on effluent trough; Described reactor body outside is provided with greenhouse cover, and described cover top, greenhouse is provided with exhaust fan, and greenhouse is provided with outer temp probe between Zhao Yushang cabin, upper-deck cabin indoor are provided with interior temp probe.
2. a kind of solar-heating type main flow sanitary sewage Anammox greenhouse as claimed in claim 1 retort, it is characterized in that: described reactor body is cylindric, aspect ratio is 2:1 ~ 5:1, and described lower cabin and upper cabin volume ratio are 2:1 ~ 5:1.
3. a kind of solar-heating type main flow sanitary sewage Anammox greenhouse as claimed in claim 1 retort, is characterized in that: described thrust-augmenting nozzle is divided into up-flow thrust-augmenting nozzle and falls stream thrust-augmenting nozzle, and stream thrust-augmenting nozzle outside is falling in described up-flow flow-directing shroud; Be connected with lower gas skirt top bottom described up-flow thrust-augmenting nozzle, up-flow thrust-augmenting nozzle top through water collecting basin bottom exceed water collecting basin bottom, and keeps equal height with the overflow weir being arranged on reactor body top; Water collecting basin center bottom flows thrust-augmenting nozzle and communicates with falling; The water distribution area that stream thrust-augmenting nozzle extends to reactor body bottom backflow water distribution unit is always fallen.
4. a kind of solar-heating type main flow sanitary sewage Anammox greenhouse as claimed in claim 1 retort, it is characterized in that: described greenhouse cover is cylindric, adopt three layers of curtain structure, outer curtain is gobo, middle curtain is glass or plastics film lighting material, and inside story is insulation film.
5. a kind of solar-heating type main flow sanitary sewage Anammox greenhouse as claimed in claim 4 retort, it is characterized in that: described greenhouse cover is 2 ~ 4:1 with the diameter ratio of reactor body, aspect ratio is 1 ~ 1.5:1, interval 30-50cm between middle curtain and inside.
6. a kind of solar-heating type main flow sanitary sewage Anammox greenhouse retort as described in Claims 1 to 5 any one claim, is characterized in that: described reactor body outside adopts steel plate to make, and steel plate skin scribbles black heat-absorbing paint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178104.6A CN104828936B (en) | 2015-04-15 | 2015-04-15 | Solar energy heat-supply type main stream domestic sewage anaerobic ammonium oxidation greenhouse reaction tank |
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| CN201510178104.6A CN104828936B (en) | 2015-04-15 | 2015-04-15 | Solar energy heat-supply type main stream domestic sewage anaerobic ammonium oxidation greenhouse reaction tank |
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| CN104828936A true CN104828936A (en) | 2015-08-12 |
| CN104828936B CN104828936B (en) | 2017-04-19 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543952Y (en) * | 2001-05-08 | 2003-04-09 | 王崇达 | Filling type inner circulation biological reactor |
| CN101665304A (en) * | 2009-09-29 | 2010-03-10 | 河北农业大学 | Solar Anaerobic Granular Sludge Circulating Reactor |
| CN101767875A (en) * | 2010-02-05 | 2010-07-07 | 浙江大学 | Double-circulation biological membrane anaerobic ammonia oxidation reactor |
| JP4923348B2 (en) * | 2001-07-26 | 2012-04-25 | 栗田工業株式会社 | Biological denitrification method |
| CN102531172A (en) * | 2012-02-10 | 2012-07-04 | 东北林业大学 | Room temperature nitrosation-anaerobic ammoxidation coupling symbiotic denitrification device for municipal sewage and sewage treatment method |
| CN102701443A (en) * | 2012-05-25 | 2012-10-03 | 桂林电子科技大学 | Anaerobic ammonia oxidizing bacteria bioreactor |
| CN104030438A (en) * | 2014-05-15 | 2014-09-10 | 杭州师范大学 | Double-flow whole-course autotrophic biological nitrogen removal fixed bed reactor |
| CN204848431U (en) * | 2015-04-15 | 2015-12-09 | 杭州师范大学 | Solar heating supply type mainstream domestic sewage anaerobic ammonium oxidation greenhouse retort |
-
2015
- 2015-04-15 CN CN201510178104.6A patent/CN104828936B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543952Y (en) * | 2001-05-08 | 2003-04-09 | 王崇达 | Filling type inner circulation biological reactor |
| JP4923348B2 (en) * | 2001-07-26 | 2012-04-25 | 栗田工業株式会社 | Biological denitrification method |
| CN101665304A (en) * | 2009-09-29 | 2010-03-10 | 河北农业大学 | Solar Anaerobic Granular Sludge Circulating Reactor |
| CN101767875A (en) * | 2010-02-05 | 2010-07-07 | 浙江大学 | Double-circulation biological membrane anaerobic ammonia oxidation reactor |
| CN102531172A (en) * | 2012-02-10 | 2012-07-04 | 东北林业大学 | Room temperature nitrosation-anaerobic ammoxidation coupling symbiotic denitrification device for municipal sewage and sewage treatment method |
| CN102701443A (en) * | 2012-05-25 | 2012-10-03 | 桂林电子科技大学 | Anaerobic ammonia oxidizing bacteria bioreactor |
| CN104030438A (en) * | 2014-05-15 | 2014-09-10 | 杭州师范大学 | Double-flow whole-course autotrophic biological nitrogen removal fixed bed reactor |
| CN204848431U (en) * | 2015-04-15 | 2015-12-09 | 杭州师范大学 | Solar heating supply type mainstream domestic sewage anaerobic ammonium oxidation greenhouse retort |
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