CN106186321B - A kind of integrated energy-saving nitrogen rejection facility and method - Google Patents
A kind of integrated energy-saving nitrogen rejection facility and method Download PDFInfo
- Publication number
- CN106186321B CN106186321B CN201610700295.2A CN201610700295A CN106186321B CN 106186321 B CN106186321 B CN 106186321B CN 201610700295 A CN201610700295 A CN 201610700295A CN 106186321 B CN106186321 B CN 106186321B
- Authority
- CN
- China
- Prior art keywords
- turntable
- water
- aerobe
- solid packing
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of integrated energy-saving nitrogen rejection facilitys and method for handling sanitary sewage, it includes water distributor, aerobe turntable, turntable brush, double settling zones, solid packing, permeable partition, turntable brush and wheel controller.Intake pump is connected with water distributor, controls flow of inlet water；Water distributor is connected with the aerobe turntable with revolution speed control device, from turntable middle part water distribution；Aerobe turntable is fixed on internal funnel-form sedimentation tank body top, and internal precipitate pond body is connected by placing the permeable partition of cellular volcanic rock solid packing with external sedimentation tank body, and internal precipitate pond and external sedimentation basin constitute double settling zones；Volcanic rock solid packing is placed on permeable partition top, this part is anaerobic zone；Mud discharging mouth and sludge reflux mouth are arranged at external sedimentation basin bottom, and refluxing opening is equipped with sludge reflux pump to control sludge reflux amount.Flexibility high energy consumption of the present invention is low, meets various secondary effluent from sewage treatment plant, can control the growth of turntable biomembrane.
Description
Technical field
The invention belongs to sewage treatment fields, and in particular to a kind of to be applicable in the denitrogenation run in municipal sewage plant secondary effluent
Device and its operation method.
Background technique
China's surface water ammonia and nitrogen pollution is serious.According to statistics, national wastewater emission amount in 2012 is 684.6 hundred million tons, chemistry
Oxygen demand total emission volumn is 2423.7 ten thousand tons, declines 3.05% compared with last year；Ammonia nitrogen total emission volumn is 253.6 ten thousand tons.Earth's surface
Water ammonia nitrogen mean annual concentration is more than III class water standard, becomes an important factor for influencing quality of water environment.A large amount of discharges of ammonia nitrogen
Phenomena such as not only causing water environment pollution and water eutrophication and water body generation red tide, and in Industrial Wastewater Treatment and return
With microbial reproduction in water equipment is caused in engineering, biofouling is formed, pipeline and water equipment is blocked, influences heat exchange.Mesh
Before, domestic and foreign scholars are concentrated mainly on the novel denitrogenation technology of exploitation to the research of nitric wastewater, to reach more preferable processing ammonia nitrogen
The requirement of purpose and environmental protection.
Currently, the traditional technology (nitrification-denitrification) of the widely applied domestic sewage denitrifying of wastewater treatment in China factory faces
The problems such as process flow is long, and additional carbon is more, and aeration quantity is big, and energy consumption is high.Using novel bio-denitrification technology, (nitrosation-is detested
Anaerobic ammonium oxidation) it can solve the part above problem, but most of reaction unit still needs to be aerated nitrosation part, nothing
Process energy consumption is preferably minimized by method.In addition, it is necessary to the traditional biological denitrification process of high-carbon nitrogen ratio sewage and need low ratio of carbon to ammonium dirty
There is no integrated applications at present for the Process of Biological Nitrogen Removal of water, require the water quality type between water quality can not between two kinds of techniques
It is handled.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of integrated energy-saving biological denitrificaion dresses for not needing imposed aeration
Set and method, can be transformed according to influent quality condition free traditional biological denitrification process and Process of Biological Nitrogen Removal it
Between, denitrification process energy consumption can be made to reduce to greatest extent, thus to solve the problems, such as that domestic sewage denitrifying provides a kind of equipment and side
Method.
It is the continuous operation dress intake that a kind of nitrogen rejection facility provided by the present invention, which is for secondary effluent from sewage treatment plant,
It sets, is provided simultaneously with the function of secondary settling tank, save equipment land occupation to greatest extent.It is characterized by comprising join with aerobe turntable
Logical water distributor, the turntable brush that can control lifting, internal funnel-form sedimentation basin, external cellular volcanic rock solid packing, water outlet
Overflow launder, sludge reflux pump, inlet water solenoid valve and rotary speed control device.Intake pump is connected with water distributor, controls feed water flow
Amount；Water distributor is connected with the aerobe turntable with revolution speed control device, from turntable middle part water distribution；Aerobe turntable is fixed
On internal funnel-form sedimentation tank body top, to adhere to the aerobic nitrification bacterium (nitrococcus and nitrifier) of removal ammonia nitrogen and go
Except the aerobic heterotroph of COD, this part is device aerobic zone；Internal precipitate pond body is by placing cellular volcanic rock solid packing
Permeable partition be connected with external sedimentation tank body, internal precipitate pond constitutes double settling zones of device with outside sedimentation basin；It is porous
Shape volcanic rock solid packing is placed on permeable partition top, to adhere to the anaerobic denitrification of removal nitrate nitrogen and nitrite nitrogen
Bacterium (anaerobic ammonia oxidizing bacteria and denitrifying bacterium), this part are device anaerobic zone；Effluent overflow weir water is in external pond body top, overflow
Height is lower than water distributor height；Mud discharging mouth and sludge reflux mouth are arranged at external sedimentation basin bottom, and refluxing opening is furnished with sludge reflux pump
To control sludge reflux amount.
Wherein, water distributor has the function of supporting aerobe turntable in water distribution uniformity simultaneously.
Wherein, biological rotating disk top is equipped with the turntable brush that can be gone up and down, and height is adjusted by turntable brush controller, to
Periodically remove the microbial biomass of turntable outer surface aging biomembrane and overgrowth.
Wherein, biological rotating disk is grid like surface, can brush turntable aging life while providing more bigger serface
Retain appropriate microbial biomass when object film, is convenient for later biofilm again.
Wherein, reactor has inside and outside two precipitation zones, has sedimentation basin function.
Wherein, cellular volcanic rock solid packing partial size needs larger (12mm≤d≤15mm), and it is high otherwise to influence water head-drop
Degree.
Wherein, permeable partition is fixed in external pond body, and permeable hole should be less than solid packing partial size.
The operation method of integrated energy-saving nitrogen rejection facility, which comprises the following steps:
1) secondary effluent (muddy water mixed solution) is passed through aerobe into water distributor (2) through intake pump (1) by water inlet pipe and turns
Disk (3), aerobe turntable adjust revolving speed by wheel controller (13), and aerobe rotary speed preferably controls 2.0~
4.0r/min controls aerobic zone hydraulic detention time HRTIt is aerobicIn 1.0~2.0h；
2) the subsequent double settling zones (5) of muddy water mixed solution, after mud-water separation, sludge settling enters sludge pipe (8) or dirt
Mud return pipe (9), returned sludge are back to the biochemistry pool of municipal sewage plant, and return sludge ratio is 20%~50%；
3) sewage upstream is passed through cellular volcanic rock solid packing by permeable partition (7), controls anaerobic zone hydraulic retention
Time HRTAnaerobismIn 4.0~6.0h；
4) sewage enters upper layer clean water overflow area by cellular volcanic rock solid packing (6) afterwards, by water outlet overflow gear
Plate (10) enters outlet pipe (11)；
Periodically remove extra and aging microorganism, COD value is greater than under conditions of 50mg/L control at 10~20d/ times, COD
Control is at 20~30d/ times in the case that value is less than 50mg/L.
Domestic sewage denitrifying device and method of the present invention, technological flexibility is high, and operation energy consumption is low, can satisfy various sewage
Treatment plant's secondary effluent is provided simultaneously with biological rotating disk brush, can control the growth of turntable biomembrane, is at the denitrogenation of sanitary sewage
Reason provides a kind of strong applicability, new way at low cost.
Detailed description of the invention
Side view Fig. 1-of the invention.
In figure: 1- intake pump；2- water distributor；3- aerobe turntable；4- turntable brush；The bis- settling zones 5-；6- cellular fire
Mountain rock solid packing；The permeable partition of 7-；8- sludge pipe；9- mud return line；10- is discharged overflow baffle；11- outlet pipe；12- turns
Disc brush controller；13- wheel controller.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to figure, integrated energy-saving nitrogen rejection facility of the present invention includes water distributor 2, aerobe turntable 3, turntable brush 4, double heavy
Shallow lake area 5, solid packing 6, permeable partition 7, turntable brush controller 12, wheel controller 13.
1) secondary effluent (muddy water mixed solution) is passed through aerobe into water distributor (2) through intake pump (1) by water inlet pipe and turns
Disk (3), aerobe turntable adjust revolving speed by wheel controller (13), remain in water and adhere on COD and aerobe turntable
The contact of aerobic heterotroph rotated in turntable while increasing dissolved oxygen content and consume COD, while ammonia nitrogen and aerobe in water
The aerobic nitrification bacterium contact adhered on turntable, is partially converted into nitrite nitrogen for ammonia nitrogen, controls aerobic biological rotating disk revolving speed and preferably control
In 2.0~4.0r/min, aerobic zone hydraulic detention time HRT is controlledIt is aerobicIn 1.0~2.0h；
2) the subsequent double settling zones (5) of muddy water mixed solution, after mud-water separation, sludge settling enters sludge pipe (8) or dirt
Mud return pipe (9), returned sludge are back to the biochemistry pool of municipal sewage plant, guarantee there is enough biomass, sludge in biochemistry pool
Reflux ratio is 20%~50%；
3) sewage upstream is passed through solid packing (6) by permeable partition (7), and solid packing part is anoxic anaerobic zone,
Denitrifying bacterium and anaerobic ammonia oxidizing bacteria are attached on filler, remaining ammonia nitrogen and sub- nitrogen are in the case where there is COD in sewage
Denitrification process denitrogenation, the anaerobic ammonium oxidation process denitrogenation in the case where not having COD control anaerobic zone hydraulic detention time
HRTAnaerobismIn 4.0~6.0h；
4) sewage enters upper layer clean water overflow area by cellular volcanic rock solid packing (6) afterwards, by water outlet overflow gear
Plate (10) enters outlet pipe (11)；
Aerobe turntable (3) biomass is controlled by turntable brush (4) and wheel controller (12), periodically remove it is extra and
Aging microorganism, control is controlled in the case where 10~20d/ times COD value is less than 50mg/L under conditions of COD value is greater than 50mg/L
System is at 20~30d/ times.
When actual installation is run, first according to needing the size of the various index average values of water quality treatment to determine aerobic zone and anaerobism
The volume ratio in area, so that it is determined that porous volcanic rock solid packing height, while filler diameter is controlled not less than 12mm, so that
Influence water head-drop height.Cellular volcanic rock or the similar (1.2~1.5g/cm of color density can be selected in solid packing3) more
Poroid filler need to guarantee that chance water is non-rising while microorganism can adhere to.
Biological rotating disk 3 is spaced 5mm and is uniformly fixed on water distributor 2, and is mounted as a whole on above pond body internal precipitate pond.This
Sample can guarantee that biological rotating disk can have the contact of half of disk with air and liquid level, and microorganism on turntable is allowed also to have with air
The contact of half of turntable area achievees the purpose that " to be aerated ".
It can be adjusted according to practical influent load by revolving speed of the wheel controller 13 to biological rotating disk when operation.
It is process object with certain municipal sewage plant secondary effluent, influent quality is as follows during test:
Experimental condition: device aerobic zone and anaerobic zone volume ratio are 1:4, flow of inlet water 5L/h, HRT 6.3h, sludge
Reflux ratio is 20%, and aerobe rotary speed is 3.0rmin-1Left and right, the DO of aerobic zone is in 2.5~4.0mg/L, anaerobic zone
DO is in 0.4~0.5mg/L, aerobic zone hydraulic detention time HRTIt is aerobic=1.5h, anaerobic zone hydraulic detention time HRTAnaerobism=4.8h.
Test result: after the system stabilizes, average COD, NH are discharged4 +-N、NO2 --N、NO3 -- N, TN, TP etc. are respectively
25.26,0.88,0.05,9.36,10.29, each effluent index stably reaches level-one A standard.
The above is only a specific embodiment of the present invention, be not to limit the scope of the invention, it is all according to the present invention
The equivalent change or modification that structure, feature and principle described in range is done, should be included in the scope of the invention.
Claims (5)
1. integrated energy-saving nitrogen rejection facility, it is characterised in that: including with aerobe turntable connection water distributor, can control lifting
Turntable brush, internal funnel-form sedimentation basin, external cellular volcanic rock solid packing, water outlet overflow launder, sludge reflux pump and turn
Disk rotating speed control device；Intake pump is connected with water distributor, controls flow of inlet water；Water distributor with it is aerobic with revolution speed control device
Biological rotating disk is connected, from turntable middle part water distribution；Aerobe turntable is fixed on internal funnel-form sedimentation tank body top, this part
For aerobic zone；The permeable partition and external sedimentation basin that internal funnel-form sedimentation tank body passes through placement cellular volcanic rock solid packing
Body is connected, and internal funnel-form sedimentation basin and external sedimentation basin constitute double settling zones；Cellular volcanic rock solid packing is placed on
Permeable partition top, this part are anaerobic zone；For effluent overflow weir water on external pond body top, overflow height is high lower than water distributor
Degree；Mud discharging mouth and sludge reflux mouth are arranged at external sedimentation basin bottom, and refluxing opening is equipped with sludge reflux pump to control sludge reflux
Amount.
2. device according to claim 1, wherein biological rotating disk is grid like surface.
3. device according to claim 1, wherein cellular volcanic rock solid packing partial size d is 12mm≤d≤15mm.
4. device according to claim 1, wherein permeable partition permeable hole should be less than solid packing partial size.
5. the application such as method of claim 1 or claim 4 any one described device, which is characterized in that including following step
It is rapid:
1) secondary effluent enters water distributor (2) through intake pump (1) by water inlet pipe and is passed through aerobe turntable (3), and aerobe turns
Disk adjusts revolving speed by wheel controller (13), and the control of aerobe rotary speed controls aerobic zone water in 2.0~4.0r/min
Power residence time HRTIt is aerobicIn 1.0~2.0h；
2) the subsequent double settling zones (5) of muddy water mixed solution, after mud-water separation, sludge settling enters sludge pipe (8) or sludge returns
Flow tube (9), returned sludge are back to the biochemistry pool of municipal sewage plant, and return sludge ratio is 20%~50%；
3) sewage upstream is passed through cellular volcanic rock solid packing by permeable partition (7), controls anaerobic zone hydraulic detention time
HRTAnaerobismIn 4.0~6.0h；
4) sewage enters upper layer clean water overflow area by cellular volcanic rock solid packing (6) afterwards, by being discharged overflow baffle
(10) enter outlet pipe (11)；
Aerobe turntable (3) needs periodically to remove extra and aging microorganism, specific as follows: COD value is greater than the item of 50mg/L
Control is at 10~20d/ times under part, and control is at 20~30d/ times in the case that COD value is less than 50mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700295.2A CN106186321B (en) | 2016-08-21 | 2016-08-21 | A kind of integrated energy-saving nitrogen rejection facility and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700295.2A CN106186321B (en) | 2016-08-21 | 2016-08-21 | A kind of integrated energy-saving nitrogen rejection facility and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106186321A CN106186321A (en) | 2016-12-07 |
| CN106186321B true CN106186321B (en) | 2019-01-22 |
Family
ID=57524360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610700295.2A Active CN106186321B (en) | 2016-08-21 | 2016-08-21 | A kind of integrated energy-saving nitrogen rejection facility and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106186321B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745742B (en) * | 2016-12-27 | 2023-03-31 | 中冶华天南京工程技术有限公司 | River course water ammonia nitrogen clean system |
| CN107235559A (en) * | 2017-07-12 | 2017-10-10 | 北京化工大学 | The synchronization denitrification apparatus and method of a kind of sewage automatic cycle flowing |
| CN115043492B (en) * | 2022-06-24 | 2023-05-23 | 江西省科学院能源研究所 | Sewage denitrification device and method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7402248B2 (en) * | 2005-06-09 | 2008-07-22 | Manuel Alvarez Cuenca | Active biological contactor (ABC); a modular wastewater treatment system |
| FR3030483A1 (en) * | 2014-12-19 | 2016-06-24 | Degremont | NEW WATER TREATMENT FACILITY |
| CN204385034U (en) * | 2015-01-20 | 2015-06-10 | 长江大学 | A kind of composite rotating bio-disc waste disposal plant |
| CN205061673U (en) * | 2015-10-24 | 2016-03-02 | 徐义强 | Integration rotating biological disk sewage treatment plant |
| CN105540843B (en) * | 2015-12-16 | 2018-01-02 | 杭州师范大学 | A kind of integrated autotrophic type denitrification reactor |
| CN205472949U (en) * | 2016-02-03 | 2016-08-17 | 浙江裕腾百诺环保科技有限公司 | Portable portable unhurried current riverway water body processing apparatus |
-
2016
- 2016-08-21 CN CN201610700295.2A patent/CN106186321B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106186321A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104692525B (en) | Continuous-flow integrated device and continuous-flow integrated method for simultaneous removal of nitrate nitrogen and ammonia nitrogen | |
| CN110255714B (en) | Low-carbon-source urban sewage treatment system and method | |
| CN205170617U (en) | Combined type treatment of domestic sewage integration equipment | |
| CN105330108B (en) | Utilize anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method and processing unit | |
| CN214528587U (en) | Rural domestic sewage treatment system of nitrogen and phosphorus removal integration | |
| CN106430845A (en) | Kitchen garbage wastewater treatment apparatus | |
| CN100410189C (en) | Nitration denitrification integral type sewage denitrification biomembrane reactor | |
| CN105254134B (en) | Biological denitrificaion is combined the unit | |
| CN103435220B (en) | Coupled A[2]O suspended filler process and cloth media filter integrated nitrogen and phosphorus removal device and method | |
| CN218910039U (en) | Efficient mud membrane symbiotic denitrification and dephosphorization sewage treatment system | |
| CN106186321B (en) | A kind of integrated energy-saving nitrogen rejection facility and method | |
| CN201598224U (en) | Biological nitrogen and phosphorus removal treatment and filter integrated sewage treatment system | |
| CN105923771A (en) | Self-circulation biological denitrification reactor | |
| CN111099726A (en) | Synchronous denitrification and dephosphorization double-sludge sewage treatment system and treatment process thereof | |
| CN110217939B (en) | Improved AAO-based sewage nitrogen and phosphorus removal device and process | |
| CN110078213B (en) | Device and method for strengthening stable operation of anaerobic ammonia oxidation treatment of municipal sewage by SBR/anaerobic baffle reactor | |
| CN108658230A (en) | Strengthen the apparatus and method of AAO+BAF technique denitrogenation dephosphorizings in postposition anoxic filter tank based on DEAMOX | |
| CN109052868B (en) | Continuous alternating MBBR sewage treatment method and equipment | |
| CN102259977B (en) | Denitrification method of wastewater containing ammonia nitrogen | |
| CN106865790B (en) | Sewage treatment equipment | |
| CN111453848B (en) | Zero-energy-consumption moving bed reactor for deep treatment of bacteria and algae | |
| CN108996689B (en) | Solid carbon source micro-aeration device and wastewater treatment method thereof | |
| CN108341495B (en) | Three-phase overflow efficient oxygen supplementing wetland system | |
| CN207792814U (en) | A kind of denitrification dephosphorization system | |
| CN102060416A (en) | Method for treating low-temperature city sewage by using anoxic-oxic moving bed biomembrane reactors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |