CN104556558B - Reinforcing organic matter and sewage recycling integrated system and the method for operating of ammonia nitrogen removal - Google Patents
Reinforcing organic matter and sewage recycling integrated system and the method for operating of ammonia nitrogen removal Download PDFInfo
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- CN104556558B CN104556558B CN201410734355.3A CN201410734355A CN104556558B CN 104556558 B CN104556558 B CN 104556558B CN 201410734355 A CN201410734355 A CN 201410734355A CN 104556558 B CN104556558 B CN 104556558B
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- oxidation ditch
- unit
- stereoscopic circulation
- circulation integrated
- integrated oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/302—Nitrification and denitrification treatment
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- Life Sciences & Earth Sciences (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 belongs to the technical field of sewage is processed using biotechnology and chemical technology, sewage recycling integrated system and its method for operating of more particularly to a kind of reinforcing organic matter and ammonia nitrogen removal.The system is combined by anoxic stereoscopic circulation integrated oxidation ditch unit, aerobic stereoscopic circulation integrated oxidation ditch unit and chemical dephosphorization unit.The present invention is using the organic pollution in anoxic stereoscopic circulation integrated oxidation ditch unit removal sewage, total nitrogen etc.；Using aerobic stereoscopic circulation integrated oxidation ditch unit make further organic matter and ammonia nitrogen up to standard；Phosphorus and the further optimizing water quality in sewage is removed using chemical dephosphorization unit.Using the system, on the premise of nitrogen and phosphorus reach one-level B discharge standard, organic matter and ammonia nitrogen are respectively in 30mg/L and below 1.5mg/L.Reduced investment of the present invention, floor space are few, operation maintenance is simple, be particularly well-suited to sewage disposal after as surface water and groundwater supplement water.
Description
Technical field：
The invention belongs to processing the technical field of sewage using biotechnology and chemical technology, more particularly to a kind of reinforcing has
The sewage disposal system and its method of operating of machine thing and ammonia nitrogen removal.
Background technology：
At present, China's major part urban water shortage, as the city of serious water shortage, it is necessary to which inside is taped the latent power, makes full use of Gao Pin
Matter recycled water, alleviates the tension pressure of Eco-environmental Water Consumption, meets demand of the people to graceful water environment in basin.Therefore, pin
To this demand using high-quality recycled water, some cities propose tightened up requirement to the draining water quality of Sewage Plant.Than
As Beijing proposes, on the basis of original draining water quality, also need to reach COD less than 30mg/L and NH4 +- N is less than 1.5mg/L.
The technique of municipal wastewater treatment plant has A2/O technique, oxidation ditch, SBR etc. now, and these techniques are mainly simultaneous denitrification and remove
Phosphorus technique, and there is the contradiction of denitrogenation and dephosphorization, natively it is extremely difficult to existing discharge standard.When water outlet requires to improve, with
Upper technology however be difficult to reach requirement, otherwise processing cost is too high, and practical application is difficult.Therefore develop new, lower-cost
New regeneration effluent is necessary with resource technology.
Content of the invention：
The problem existed for above-mentioned existing process of the present invention and the new demand of discharge water quality, propose denitrogenation and remove
Phosphorus separately considers, carries out process combination to reach existing emission request, lack and easy to operate unit skill while selecting and taking up an area
Art.
The present invention provides the sewage recycling integrated system of a kind of reinforcing organic matter and ammonia nitrogen removal, the sewage disposal system
System is by anoxic stereoscopic circulation integrated oxidation ditch unit, aerobic stereoscopic circulation integrated oxidation ditch unit and chemical dephosphorization unit group
Conjunction is formed.Anoxic stereoscopic circulation integrated oxidation ditch unit is run using low dissolved oxygen, using synchronous nitration denitrification denitrogenation；Utilize
Aerobic stereoscopic circulation integrated oxidation ditch unit make organic matter and ammonia nitrogen up to standard；The phosphorus in sewage is removed using chemical dephosphorization unit
With further optimizing water quality.
Anoxic stereoscopic circulation integrated oxidation ditch unit, aerobic stereoscopic circulation integrated oxidation ditch unit and chemical dephosphorization list
Unit sets gradually, and anoxic stereoscopic circulation integrated oxidation ditch unit and aerobic stereoscopic circulation integrated oxidation ditch unit are by connection
Pipe connects, the two public pool wall, needs to be provided separately also dependent on place；Aerobic stereoscopic circulation integrated oxidation ditch unit and
Chemical dephosphorization unit is connected by connecting tube.
The anoxic stereoscopic circulation integrated oxidation ditch unit is a casing, is provided with plate-spinning and median septum；Median septum is pacified
Dress height is that the distance away from two ends side wall is respectively 1/2 water level distance, the horizontal level that plate-spinning is installed at 1/2 water level of bottom
It is at one end side wall 1/4, depending on the parameter request of the height of installation by plate-spinning equipment.Set in the casing side wall of plate-spinning near-end
Water inlet pipe is equipped with, the water inlet pipe is located on the water surface at 20cm；Vertical with aerobic in anoxic stereoscopic circulation integrated oxidation ditch unit
Connecting tube is provided with the adjacent side wall of body circulation integrated oxidation ditch unit or public side wall, it is three-dimensional that the connecting tube is located at anoxic
At the underwater 20cm of circulation integrated oxidation ditch unit plate-spinning distal end side wall.
The aerobic stereoscopic circulation integrated oxidation ditch unit is by stereoscopic circulation integrated oxidation ditch tap drain and separation of solid and liquid
Device constitutes；The stereoscopic circulation integrated oxidation ditch tap drain and solid-liquid separator are by baffle interval, described stereoscopic circulation integrated
Oxidation ditch tap drain is provided with plate-spinning and median septum；Median septum setting height(from bottom) be at 1/2 height of water level of bottom, away from dividing plate and dividing plate
1/2 water level distance is respectively with respect to the distance of side wall, plate-spinning is installed at tap drain side wall and the 1/4 of dividing plate distance, dividing plate distal end,
Depending on parameter request of the height of installation by plate-spinning equipment.A muddy water inlet port is opened in dividing plate top underwater, and bottom opens one
Sludge reflux mouth；The solid-liquid separator is connected with chemical dephosphorization unit away from outlet pipe is arranged at the water surface of the side wall at plate-spinning end
Connect；Solid-liquid separator arranges mud return line with the public side wall of anoxic stereoscopic circulation integrated oxidation ditch, and position is located at the water surface
On, sludge pump is set under mud return line.
The chemical dephosphorization unit by adding of agent area, reaction zone and depositing separation area composition, adding of agent area according to
Concrete water quality determination adds dephosphorization coagulated agent, then enters depositing separation area mud-water separation after reaction zone reaction.
The method of operating of the sewage disposal system is as follows：
1st, sewage is entered behind anoxic stereoscopic circulation integrated oxidation ditch unit sewage diposal area from water inlet, and main removal has
Machine thing, ammonia nitrogen, total nitrogen；
2nd, sewage enters in tap drain through entering aerobic stereoscopic circulation integrated oxidation ditch unit by connecting tube after step 1
One step organics removal and ammonia nitrogen, make organic matter and ammonia nitrogen up to standard, afterwards solid-liquid is entered by muddy water inlet port on dividing plate and divides
Separate from device；
3rd, after solid-liquid separator is separated, supernatant enters chemical dephosphorization unit by connecting tube, through draining after process
Pipe discharge supplements surface water or underground water, and a part of sludge in precipitation returns to anoxic by sludge pump through mud return line
Stereoscopic circulation integrated oxidation ditch unit, another part precipitating sludge are back to aerobic vertical by the sludge reflux mouth of dividing plate bottom
Body circulation integrated oxidation ditch tap drain.
Beneficial effect：
1st, utilize above-mentioned sewage disposal system, on the premise of total nitrogen and total phosphorus reach one-level B discharge standard, organic matter and
Ammonia nitrogen is respectively in 30mg/L and below 1.5mg/L and with low cost.
2nd, denitrogenation is separated with dephosphorization, the contradiction such as the carbon source that synchronous denitrification dephosphorizing can be avoided to cause and sludge age, at improve
Reason effect.
3rd, anoxic stereoscopic circulation integrated oxidation ditch unit is dirty is acted on using simultaneous nitrification and denitrification, simultaneously because not examining
Consider the removal of phosphorus, removable major part organic matter, ammonia nitrogen, make total nitrogen up to standard.
Description of the drawings
Fig. 1 reinforcing organic matter and the sewage recycling integrated system schematic diagram of ammonia nitrogen removal
1 water inlet pipe, 2 plate-spinning, 3 median septum, 4 connecting tube, 5 plate-spinning, 6 median septum, 7 muddy water inlet port, 8 connecting tube, 9 water outlet
14 adding of agent area of pipe 10 sludge pump, 11 mud return line, 12 sludge reflux mouth, 13 dividing plate, 15 reaction zone, 16 precipitate and separate
Area
Aerobic III chemical dephosphorization of stereoscopic circulation integrated oxidation ditch unit of I anoxic stereoscopic circulation integrated oxidation ditch unit II
Unit.
Fig. 2 is for A-A in Fig. 1 to sectional view
1 water inlet pipe, 2 plate-spinning, 3 median septum；
Fig. 3 is B-B direction sectional view in Fig. 1
4 connecting tube, 5 plate-spinning, 6 median septum, 7 muddy water inlet port, 8 connecting tube, 10 sludge pump, 11 mud return line 12 is dirty
13 dividing plate of mud refluxing opening
Specific embodiment：
Embodiment 1：A kind of reinforcing organic matter and the sewage recycling integrated technology of ammonia nitrogen removal
A kind of reinforcing organic matter and the sewage disposal system of ammonia nitrogen removal, by anoxic stereoscopic circulation integrated oxidation ditch unit
Ith, aerobic stereoscopic circulation integrated oxidation ditch unit II and chemical dephosphorization unit III are combined.
Anoxic stereoscopic circulation integrated oxidation ditch unit I and the public pond of aerobic stereoscopic circulation integrated oxidation ditch unit II
Wall；Aerobic stereoscopic circulation integrated oxidation ditch unit is connected on after anoxic stereoscopic circulation integrated oxidation ditch unit, two cellular zones
Between connected with connecting tube 4；Chemical dephosphorization unit is connected on after aerobic stereoscopic circulation integrated oxidation ditch unit, two cellular zones it
Between connected with connecting tube 8.
Anoxic stereoscopic circulation integrated oxidation ditch unit I is a casing, is provided with plate-spinning 2 and median septum 3；Median septum is installed
Be highly that distance away from two ends side wall is respectively 1/2 water level distance at 1/2 water level of bottom, plate-spinning install horizontal level be away from
At one end side wall 1/4, water inlet pipe 1 is located in the side wall of nearly anoxic stereoscopic circulation integrated oxidation ditch unit plate-spinning, and position is water
On face at 20cm；Connecting tube 4 is located at anoxic stereoscopic circulation integrated oxidation ditch unit and aerobic stereoscopic circulation integrated oxidation ditch
The public side wall of unit and away from anoxic stereoscopic circulation integrated oxidation ditch unit plate-spinning 2 at, position for underwater 20cm at.
Aerobic stereoscopic circulation integrated oxidation ditch unit II includes stereoscopic circulation integrated oxidation ditch tap drain and separation of solid and liquid
Device constitutes；Stereoscopic circulation integrated oxidation ditch tap drain and solid-liquid separator are spaced by dividing plate 13, and 13 top underwater of dividing plate opens one
Muddy water inlet port 7, bottom open a sludge reflux mouth 12；Stereoscopic circulation integrated oxidation ditch tap drain is provided with plate-spinning 5 and median septum
7；Solid-liquid separator arranges outlet pipe 8 away from the side wall at plate-spinning end and connects chemical dephosphorization unit III, and position is at the water surface；Solid-liquid divides
Mud return line 11 is set from device and anoxic stereoscopic circulation integrated oxidation ditch public side wall, position is located on the water surface, and sludge is returned
Flow tube is connected with the sludge pump 10 for being located at solid-liquid separator bottom.
Described chemical dephosphorization unit III includes adding of agent area 14, reaction zone 15 and depositing separation area 16.
The method of operating of this sewage disposal system：Sewage enters anoxic stereoscopic circulation integrated oxidation ditch list from water inlet 1
After unit I, organics removal, ammonia nitrogen, total nitrogen；Sewage enters aerobic stereoscopic circulation integrated oxidation ditch unit II through connecting tube 4,
Further organics removal and ammonia nitrogen, make up to standard, then separate through solid-liquid separator；After separating, supernatant is entered by connecting tube 8
Enter chemical dephosphorization unit III, dephosphorization coagulated agent is added in adding of agent area 14, then enter precipitation after the reaction of reaction zone 15
16 mud-water separation of Disengagement zone, discharges through outlet pipe 9 after process or supplements surface water or underground water, and a part of precipitating sludge is by dirt
Dredge pump 10 returns to anoxic stereoscopic circulation integrated oxidation ditch unit through mud return line 11, and a part of precipitating sludge passes through sludge
Refluxing opening 12 is back to aerobic stereoscopic circulation integrated oxidation ditch tap drain.
The sanitary sewage in cities and towns is processed using the present invention, and scale is 10m3/d.
Sewage is mainly sanitary sewage, and its water quality property is as follows：TSS：60～100mg/L, CODcr：150～250mg/L,
TN：25～50mg/L, TP：3.0～7.0mg/L.
Operational factor is as follows：The hydraulic detention time of anoxic stereoscopic circulation integrated oxidation ditch unit I 9 hours, dissolved oxygen
0.5mg/L；The hydraulic detention time of aerobic stereoscopic circulation integrated oxidation ditch unit I 4.5 hours, dissolved oxygen 2.5mg/L.Chemistry
III coagulant aluminium salt dosage 15mg/L of dephosphorization unit, reaction and totally 1.5 hours sedimentation time.
Result shows：Process through the present invention, effluent quality is：CODCrMaintain below 30mg/L, TN to maintain
Below 20mg/L, TP maintain below 0.1mg/L, TSS and maintain below 8mg/L, NH4 +- N-dimensional is held in below 1.5mg/L.Wherein
CODCr, TN and NH4 +- N is respectively 85%, 95% and 90% in the clearance of anoxic stereoscopic circulation integrated oxidation ditch unit I,
Chemical dephosphorization unit III removes TP65%.
Operating cost is 0.75 yuan/m3.
Claims (4)
1. a kind of reinforcing organic matter and ammonia nitrogen removal sewage recycling integrated system, it is characterised in that：The system is by anoxic
Stereoscopic circulation integrated oxidation ditch unit, aerobic stereoscopic circulation integrated oxidation ditch unit and chemical dephosphorization unit composition, three
Set gradually, the anoxic stereoscopic circulation integrated oxidation ditch unit and aerobic stereoscopic circulation integrated oxidation ditch unit are by connecting
Adapter connection, the aerobic stereoscopic circulation integrated oxidation ditch unit and chemical dephosphorization unit are connected by connecting tube；
Described anoxic stereoscopic circulation integrated oxidation ditch unit is a casing, is provided with plate-spinning and median septum；The plate-spinning peace
The horizontal level of dress be at one end side wall 1/4, septum plate setting height(from bottom) be at 1/2 water level of bottom, away from two ends side wall
Distance be respectively 1/2 water level distance, a water inlet pipe be located at nearly anoxic stereoscopic circulation integrated oxidation ditch unit plate-spinning side wall
On, position is on the water surface at 20cm；One connecting tube is located at anoxic stereoscopic circulation integrated oxidation ditch unit and aerobic stereo circulating
The public side wall of integrated oxidation ditch unit and away from anoxic stereoscopic circulation integrated oxidation ditch unit plate-spinning at, position be underwater
At 20cm；
Described aerobic stereoscopic circulation integrated oxidation ditch unit is by stereoscopic circulation integrated oxidation ditch tap drain and solid-liquid separator
Composition；, by baffle interval, a mud is opened in dividing plate top underwater for the stereoscopic circulation integrated oxidation ditch tap drain and solid-liquid separator
Water inlet port, bottom open a sludge reflux mouth；The stereoscopic circulation integrated oxidation ditch tap drain is provided with plate-spinning and median septum；Gu
Liquid/gas separator arranges outlet pipe away from the side wall at plate-spinning end, and position is at the water surface；Solid-liquid separator and anoxic stereo circulating one
Change oxidation ditch public side wall and mud return line is set, position is located on the water surface, sludge pump is set under mud return line.
2. according to claim 1 a kind of reinforcing organic matter and ammonia nitrogen removal sewage recycling integrated system, its feature
It is：The anoxic stereoscopic circulation integrated oxidation ditch unit and the public pond of aerobic stereoscopic circulation integrated oxidation ditch unit
Wall.
3. the sewage recycling integrated system of reinforcing organic matter according to claim 1 and ammonia nitrogen removal, is characterized in that：Institute
The chemical dephosphorization unit that states includes adding of agent area, reaction zone and depositing separation area.
4. a kind of method of sewage disposal, it is characterised in that the reinforcing organic matter according to any one of claims 1 to 3 and
Denitrogenation and dephosphorization are separately processed by the sewage recycling integrated system of ammonia nitrogen removal, and step is as follows：
(1) sewage is entered behind anoxic stereoscopic circulation integrated oxidation ditch unit sewage diposal area, using synchronous nitration from water inlet
And denitrification, remove most of organic matter, ammonia nitrogen, total nitrogen；
(2) sewage processed through step (1) enters aerobic stereoscopic circulation integrated oxidation ditch unit, Jing Guozhu by connecting tube
The further organics removal of ditch and ammonia nitrogen, make organic matter and ammonia nitrogen up to standard, then by muddy water inlet port enter solid-liquid separator divide
From；
(3) after separating through solid-liquid separator, supernatant enters chemical dephosphorization unit dephosphorization by connecting tube, discharges or mend after process
Surface water or underground water is filled, it is stereoscopic circulation integrated that a part of precipitating sludge returns to anoxic by sludge pump through mud return line
Oxidation ditch unit, a part of precipitating sludge are back to aerobic stereoscopic circulation integrated oxidation ditch tap drain by sludge reflux mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734355.3A CN104556558B (en) | 2014-12-04 | 2014-12-04 | Reinforcing organic matter and sewage recycling integrated system and the method for operating of ammonia nitrogen removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734355.3A CN104556558B (en) | 2014-12-04 | 2014-12-04 | Reinforcing organic matter and sewage recycling integrated system and the method for operating of ammonia nitrogen removal |
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| Publication Number | Publication Date |
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| CN104556558A CN104556558A (en) | 2015-04-29 |
| CN104556558B true CN104556558B (en) | 2017-03-08 |
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| KR100357771B1 (en) * | 2002-06-04 | 2002-10-25 | 세림제지주식회사 | The advanced wastewater treatment method and equipment using the circular oxidation ditch of intermittent aeration method to improve the removal of nitrogen and phosphorus |
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| CN101381156A (en) * | 2008-03-25 | 2009-03-11 | 北京桑德环境工程有限公司 | Sewage disposal system combining membrane bioreactor and phosphorus recovery and processing method |
| CN101423314A (en) * | 2008-12-03 | 2009-05-06 | 北京师范大学 | High efficiency denitrification, phosphorus removal and phosphorus resource recovery composite for urban sewage |
| CN201495153U (en) * | 2009-09-01 | 2010-06-02 | 江苏省环境科学研究院 | Waste water enhanced nitrogen removal dephosphorization device |
| CN101870540A (en) * | 2010-05-26 | 2010-10-27 | 北京伊普国际水务有限公司 | System and method for treating nitrogen and phosphorus in urban sewage |
| CN102936082A (en) * | 2012-10-31 | 2013-02-20 | 江苏大学 | Short-range aeration sewage purifier |
| KR20130122192A (en) * | 2012-04-30 | 2013-11-07 | 오대민 | Oxidation ditch retrofitting process for biological nutrient removal using hybrid separation function and compact type contact media |
-
2014
- 2014-12-04 CN CN201410734355.3A patent/CN104556558B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376642A (en) * | 2001-03-27 | 2002-10-30 | 中国科学院生态环境研究中心 | Equipment and process for treating sewage by integrated oxidizing ditch with 3D circulation |
| KR100357771B1 (en) * | 2002-06-04 | 2002-10-25 | 세림제지주식회사 | The advanced wastewater treatment method and equipment using the circular oxidation ditch of intermittent aeration method to improve the removal of nitrogen and phosphorus |
| CN101381156A (en) * | 2008-03-25 | 2009-03-11 | 北京桑德环境工程有限公司 | Sewage disposal system combining membrane bioreactor and phosphorus recovery and processing method |
| CN101423314A (en) * | 2008-12-03 | 2009-05-06 | 北京师范大学 | High efficiency denitrification, phosphorus removal and phosphorus resource recovery composite for urban sewage |
| CN201495153U (en) * | 2009-09-01 | 2010-06-02 | 江苏省环境科学研究院 | Waste water enhanced nitrogen removal dephosphorization device |
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| KR20130122192A (en) * | 2012-04-30 | 2013-11-07 | 오대민 | Oxidation ditch retrofitting process for biological nutrient removal using hybrid separation function and compact type contact media |
| CN102936082A (en) * | 2012-10-31 | 2013-02-20 | 江苏大学 | Short-range aeration sewage purifier |
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| CN104556558A (en) | 2015-04-29 |
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