CN106007189A - Urban black-odorous sewage treatment system and technology - Google Patents
Urban black-odorous sewage treatment system and technology Download PDFInfo
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- CN106007189A CN106007189A CN201610491467.XA CN201610491467A CN106007189A CN 106007189 A CN106007189 A CN 106007189A CN 201610491467 A CN201610491467 A CN 201610491467A CN 106007189 A CN106007189 A CN 106007189A
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides an urban black-odorous sewage treatment system which comprises a first carbon separation device, an activated sludge biological tank, a second carbon separation device and an advanced treatment unit, wherein an exit of the first carbon separation device is connected with an entrance of the activated sludge biological tank; an exit of the activated sludge biological tank is connected with an entrance of the second carbon separation device; and an exit of the second carbon separation device is connected with an entrance of the advanced treatment unit. In the invention, since the first carbon separation device and the second carbon separation device are arranged in the black-odorous sewage treatment system, the suspended solids in the black-odorous sewage are removed first, and then mud-water separation of the black-odorous sewage is performed; and moreover, the dissolved oxygen of the black-odorous sewage is increased, and finally, the effluent quality is improved. The invention also provides an urban black-odorous sewage treatment technology.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to urban black foul sewage water treatment system and urban black foul sewage water
Process technique.
Background technology
Black and odorous water is administered to propose by " water prevention and cure of pollution action plan " that State Council issues and is distinctly claimed: to 2020
Year, China's region and above completed region of the city black and odorous water all control within 10%；To the year two thousand thirty, the black smelly water in completed region of the city
Body is totally eliminated.
Downtown areas black and odorous water not only brings the sensory experience of extreme difference to the masses, is also the life directly affecting the masses
Health problem.Therefore, for black foul sewage water, the task of top priority seeks to see clearly its origin cause of formation and take effective control measures, eliminates black
Foul sewage water.
Water body occurs black smelly main cause to be exogenous organic matter and ammonia nitrogen consumption water oxygen gas, when dissolved oxygen drops to one
During individual low-level excessively, large amount of organic decomposes under the effect of anaerobe further, produces hydrogen sulfide, amine, ammonia and other bands different
The volatile micromolecular compound of taste, thus give out stink；Meanwhile, under anaerobic, the methane of generation, nitrogen in deposit
Gas is insoluble in the gas of water with hydrogen sulfide etc., carries mud and enters aqueous phase, make water body turn black in uphill process.
Firmly the portion of building explicitly points out in the recent period, and the sewage leading indicator that downtown areas black and odorous water is administered is COD, ammonia nitrogen and ORP.
But black foul sewage water technology can not use chemical agent, in order to avoid secondary pollution problem occurs.Therefore, one-level physics/biology
Reinforcement technique will be the important technology of black foul sewage water harnessing.
Summary of the invention
Present invention solves the technical problem that and be to provide a kind of urban black foul sewage water treatment system, the city that the application provides
Black foul sewage water treatment system can solve the problem of urban black foul sewage water, improves effluent quality.
In view of this, this application provides a kind of urban black foul sewage water treatment system, including: the first carbon segregation apparatus, work
Property sludge organism pond, the second carbon segregation apparatus and advanced treatment unit；
The outlet of described first carbon segregation apparatus is connected with the entrance in described active sludge biological pond, and described activated sludge is raw
The outlet in thing pond is connected with the entrance of described second carbon segregation apparatus, the outlet of described second carbon segregation apparatus and described depth
The entrance of reason unit is connected.
Preferably, the outlet of described second carbon segregation apparatus is connected with the entrance in described active sludge biological pond.
Preferably, the outlet of described advanced treatment unit is connected with the entrance in described active sludge biological pond.
Preferably, the strainer of described first carbon segregation apparatus is 5～100 μm, and filtering velocity is 0.5～3.5m/s；Described second
The strainer of carbon segregation apparatus is 1～50 μm, and filtering velocity is 0.3～4.5m/s.
Preferably, described advanced treatment unit is inclined-plate clarifying basin, tube settler, potassium permanganate composites, ultrafiltration system
Or microfiltration systems.
Present invention also provides a kind of urban black foul sewage water treatment technology, comprise the following steps:
Urban black foul sewage water is entered the first carbon segregation apparatus process, obtain the first black foul sewage water；
Described first black foul sewage water is entered active sludge biological pond and carries out biochemical treatment, obtain the second black foul sewage water；
Described second black foul sewage water is entered the second carbon segregation apparatus and carries out mud-water separation, obtain activated sludge and mix with muddy water
Compound；
Described mud mixture entrance advanced treatment unit is processed, obtains discharging water.
Preferably, described activated sludge entrance active sludge biological pond carries out biochemical treatment.
Preferably, the dissolved oxygen concentration of described first black foul sewage water is 3～9mg/L, and the concentration of described mud mixture is little
In 1200mg/L, dissolved oxygen is 2～5mg/L.
Preferably, described active sludge biological pond uses double sludge treatment technique, the mud of described pair of sludge treatment technique
Concentration is 6000～30000mg/L, and the media-filling rate in described active sludge biological pond is 30%～70%.
Preferably, the time of described biochemical treatment is 1～6h, the dissolved oxygen concentration of described second black foul sewage water be 0.5～
2mg/L。
This application provides a kind of urban black foul sewage water treatment system, comprising: the first carbon segregation apparatus, activated sludge are raw
Thing pond, the second carbon segregation apparatus and advanced treatment unit；The outlet of described first carbon segregation apparatus and described active sludge biological
The entrance in pond is connected, and the outlet in described active sludge biological pond is connected with the entrance of described second carbon segregation apparatus, and described second
The outlet of carbon segregation apparatus is connected with the entrance of described advanced treatment unit.In the black foul sewage water treatment system that the application provides,
Black foul sewage water enters the first carbon segregation apparatus, and it is same that the float such as major part mud, slag, sand and micro-plastics is efficiently removed
Time, major part particulate organic matter and small part colloidal organic substances are removed the most therewith, have reduced high-concentration activated sludge raw
The sludge loading in thing pond, the first carbon segregation apparatus has oxygenation capacity simultaneously, improves the water inlet of high-concentration activated sludge biological tank
Dissolved oxygen concentration, through first carbon segregation apparatus process black foul sewage water enter active sludge biological pond, through microorganism
Biochemical action, the chemical oxygen absorbed in black foul sewage water is substantially reduced with ammonia nitrogen, and the black foul sewage water being then passed through processing enters second
Carbon segregation apparatus carries out cement separation, and the low concentration mud mixture obtained enters advanced treatment unit and processes, final
Arrive the water outlet that water quality is higher.The application passes through to arrange the first carbon segregation apparatus in black foul sewage water treatment system and the second carbon divides
From device, first by the suspended substance removal in black foul sewage water, then carry out mud-water separation, make the dissolved oxygen in black foul sewage water dense simultaneously
Degree raises, and finally makes effluent quality improve.
Accompanying drawing explanation
Fig. 1 is the present invention black foul sewage water treatment system schematic diagram；
Fig. 2 is the sewage treatment system flow chart of the black foul sewage water harnessing of embodiment 1 and 2；
Fig. 3 is the sewage treatment system flow chart of embodiment 3 black foul sewage water harnessing；
Fig. 4 is the sewage treatment system flow chart of the black foul sewage water harnessing of embodiment 4 and 5.
Detailed description of the invention
In order to be further appreciated by the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but
Should be appreciated that these describe simply as to further illustrate the features and advantages of the present invention rather than to the claims in the present invention
Limit.
The embodiment of the invention discloses a kind of urban black foul sewage water treatment system, including: the first carbon segregation apparatus, activity are dirty
Mud biological tank, the second carbon segregation apparatus and advanced treatment unit；
The outlet of described first carbon segregation apparatus is connected with the entrance in described active sludge biological pond, and described activated sludge is raw
The outlet in thing pond is connected with the entrance of described second carbon segregation apparatus, the outlet of described second carbon segregation apparatus and described depth
The entrance of reason unit is connected.
As it is shown in figure 1, Fig. 1 is urban black foul sewage water treatment system schematic diagram of the present invention.
Herein described first carbon segregation apparatus and described second carbon segregation apparatus are Publication No. CN105477923A
Chinese patent disclosed in a kind of sewage disposal quick carbon segregation apparatus, the carbon segregation apparatus of the application is quick with above-mentioned patent
Carbon segregation apparatus does not has the change in structure.Described first carbon segregation apparatus is mainly one-level physical strengthening equipment, can efficiently go
Except float such as the mud in black and odorous water, slag, sand and micro-plastics, its mainly by water inlet, outlet, float outlet with
The part composition such as strainer.Meanwhile, the filter cloth of described first carbon segregation apparatus is in operation and is in fast turn-around state, makes handled
Dirty dissolved oxygen in water is greatly improved, and the oxidation-reduction potential (ORP) in sewage increases substantially therewith.Herein described first carbon
The strainer of segregation apparatus is preferably 5～100 μm, and in an embodiment, the strainer of described first carbon segregation apparatus is preferably 30～80 μ
M, example, the strainer of described first carbon segregation apparatus is preferably 30 μm, 50 μm and 80 μm；The filter of described first carbon segregation apparatus
Speed is preferably 0.5～3.5m/s, and in an embodiment, the filtering velocity of described first carbon segregation apparatus is preferably 1.5～3m/s, example
, the strainer of described first carbon segregation apparatus is preferably 1.5m/s, 2.5m/s, 3m/s or 3.5m/s.
According to the present invention, the outlet of described first carbon segregation apparatus is connected with the entrance in described active sludge biological pond, institute
State the active sludge biological pond that active sludge biological pond is well known to those skilled in the art, this application is the most particularly limited
System.Through the black foul sewage water of the first carbon segregation apparatus in described active sludge biological pond through the biochemical action of microorganism, make
COD in black foul sewage water is substantially reduced with ammonia nitrogen.Not carrying out spoil disposal in described active sludge biological pond, activity is dirty
Mud reaches growth and decline poised state by endogenous digestion and propagation.
The outlet in herein described active sludge biological pond is connected with the entrance of described second carbon segregation apparatus, and described second
Carbon segregation apparatus carries out preliminary mud-water separation, obtains activated sludge and low concentration mud mixture.Herein described second
The outlet of carbon segregation apparatus also entrance with described active sludge biological pond is connected, and obtains in described second carbon segregation apparatus
Activated sludge is directly discharged into described active sludge biological pond, and described low concentration mud mixture then enters advanced treatment unit.This
Applying for that the strainer of described second carbon segregation apparatus is preferably 1～50 μm, in an embodiment, described strainer is preferably 10～30 μm,
Example, the strainer of described second carbon segregation apparatus is 10 μm, 20 μm or 30 μm.The filtering velocity of described second carbon segregation apparatus is preferred
Being 0.3～4.5m/s, in an embodiment, described filtering velocity is preferably 1～4.0m/s, more preferably 2.5～3.5m/s.
The outlet of described second carbon segregation apparatus is connected with the entrance of described advanced treatment unit, from the second carbon segregation apparatus
The low concentration mud mixture discharged enters advanced treatment unit and is further processed.Described advanced treatment unit can enter one
Step improves effluent quality.The advanced treatment unit that described advanced treatment unit is well known to those skilled in the art, it is preferred that described
Advanced treatment unit can use inclined-plate clarifying basin, tube settler, potassium permanganate composites, ultrafiltration system or microfiltration systems.As
Preferred version, the outlet of described advanced treatment unit is connected with the entrance in described active sludge biological pond, so that depths processes single
Mud after unit's process again carries out active sludge biological pond and carries out biochemical treatment.
Present invention also provides a kind of black foul sewage water treatment technology, comprise the following steps:
Black foul sewage water is entered the first carbon segregation apparatus process, obtain the first black foul sewage water；
Described first black foul sewage water is entered active sludge biological pond and carries out biochemical treatment, obtain the second black foul sewage water；
Described second black foul sewage water is entered the second carbon segregation apparatus and carries out mud-water separation, obtain activated sludge and mix with muddy water
Compound；
Described mud mixture entrance advanced treatment unit is processed, obtains discharging water.
The black foul sewage water of the application sequentially passes through the first carbon segregation apparatus, active sludge biological pond, the second carbon segregation apparatus
After advanced treatment unit, obtain the preferable water outlet of water quality.
First black foul sewage water is carried out carrying out in the first carbon segregation apparatus the removal of float etc. by the application, in this process
In, the float such as most of mud, slag, sand and micro-plastics in black foul sewage mud is efficiently removed, and major part particulate form is organic
Thing and small part colloidal organic substrate are removed therewith, greatly reduce the sludge loading of high-concentration activated sludge biological tank.Described
First carbon segregation apparatus has oxygenation capacity, improves the dissolved oxygen concentration of high-concentration activated sludge biological tank water inlet, reduces
The operation energy consumption of high-concentration activated sludge biological tank.It is first black smelly that described black foul sewage water obtains after the first carbon segregation apparatus
The dissolved oxygen concentration of sewage is preferably 3～9mg/L, and in an embodiment, described dissolved oxygen concentration is more preferably 4～7mg/L.Described
Black foul sewage water is after described first carbon segregation apparatus, and it can remove the float of more than 60% in former black foul sewage water.
According to the present invention, the black foul sewage water processed through the first carbon segregation apparatus enters in active sludge biological pond, passes through
The biochemical action of microorganism, makes the COD in black foul sewage water and ammonia nitrogen be substantially reduced.Herein described active sludge biological pond is excellent
Choosing uses double sludge treatment technique, the process technique that described pair of sludge treatment technique is well known to those skilled in the art, and i.e. suspends
State activated sludge and attaching biological embrane method junction science and engineering skill.The sludge concentration of the double sludge treatment technique of the application is preferably
6000～30000mg/L, in an embodiment, the sludge concentration of described pair of sludge treatment technique is preferably 7500～28000mg/L,
More preferably 9000～18000mg/L；Being filled with filler in described active sludge biological pond, the filling rate of described filler is preferably
30%～70%, in an embodiment, the filling rate of described filler is preferably 40%～55%, more preferably 45%～50%.?
During this, black foul sewage water residence time is preferably 1～6h, and in an embodiment, the time of staying of described black foul sewage water is more excellent
Elect 2.5～4.5h as.Dissolved oxygen concentration through the second black foul sewage water in described sludge organism pond is preferably 0.5～2mg/L.
Herein described second black foul sewage water carries out mud-water separation subsequently into the second carbon segregation apparatus, obtains activated sludge
With mud mixture.Preferably, described activated sludge again carries out active sludge biological pond and again carries out biochemical treatment,
Described mud mixture then enters advanced treatment unit and processes.The concentration of described mud mixture is less than 1200mg/L,
In embodiment, the concentration of described mud mixture is less than 700mg/L, more preferably less than 400mg/L.Described mud mixture molten
Solve oxygen and be preferably 2～5mg/L.
According to the present invention, above-mentioned mud mixture enter advanced treatment unit process, i.e. obtain discharge water and
Mud.Preferably, described mud is again introduced into active sludge biological pond and carries out biochemical treatment.
This application provides a kind of black foul sewage water treatment system, comprising: the first carbon segregation apparatus, active sludge biological
Pond, the second carbon segregation apparatus and advanced treatment unit；The outlet of described first carbon segregation apparatus and described active sludge biological pond
Entrance be connected, the outlet in described active sludge biological pond is connected with the entrance of described second carbon segregation apparatus, described second carbon
The outlet of segregation apparatus is connected with the entrance of described advanced treatment unit.This application provides a kind of black foul sewage water harnessing is
System, its floor space is little, and operational efficiency is high；Operational process is simple, convenient operation and management；It is capable of discharged without residual mud
Purpose, is substantially reduced operating cost；Overcome the difficult problem that oblique plate tube sedimentation tank and potassium permanganate composites run in Sewage Plant, improve
Effluent quality.Present invention also provides a kind of technique utilizing described black foul sewage water treatment system to carry out black smelly sewage disposal.
In order to be further appreciated by the present invention, the black foul sewage water treatment system present invention provided below in conjunction with embodiment and work
Skill is described in detail, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
Select in tube head village, Beijing black and odorous water to carry out engineer applied, carry out sewage disposal according to following step,
Whole qualified discharge.
Step 1: by black foul sewage water entrance strainer be 5 μm, filtering velocity be 0.5m/s the first carbon segregation apparatus in process,
The suspended substance removal of more than 95% in the most black foul sewage water, obtains the first black foul sewage water that dissolved oxygen concentration is 9mg/L；
Step 2: described first black foul sewage water is entered high-concentration activated sludge biological tank and carries out double sludge activity process 1h,
Obtaining the second black foul sewage water that dissolved oxygen concentration is 0.5～2mg/L, double sludge activities process the sludge concentration of technique and are
30000mg/L, fills filler in pond, the filling rate of filler is 30%；
Step 3: described second black foul sewage water is entered strainer 1 μm, and filtering velocity is that the second carbon segregation apparatus of 4.5m/s is carried out
Preliminary mud-water separation, the activated sludge obtained enters high-concentration activated sludge biological tank completely, and the low concentration muddy water produced
Mixture enters advanced treatment unit；Described low concentration mud mixture concentration is 15mg/L, and dissolved oxygen is 5mg/L；
Step 4: the low concentration mud mixture produced by the second carbon segregation apparatus enters advanced treatment unit to be carried out into one
Step processes, the water outlet after being processed；Wherein, described advanced treatment unit mainly uses sloping plate deposition, and hydraulic detention time is
1h。
Effluent quality after tube head village, Beijing black foul sewage former water quality of water and process is as shown in table 1.
The water quality data table of table 1 the present embodiment sewage Inlet and outlet water
Embodiment 2
Step 1: black foul sewage water enter strainer 100 μm, filtering velocity be 3.5m/s the first carbon segregation apparatus in process, its
In the suspended substance removal of more than 60% in black foul sewage mud, obtain the first black foul sewage water that dissolved oxygen concentration is 3mg/L；
Step 2: described first black foul sewage water is entered high-concentration activated sludge biological tank and carries out double sludge activity process 6h,
Obtaining the second black foul sewage water that dissolved oxygen concentration is 0.5～2mg/L, double sludge activities process the sludge concentration of technique and are
6000mg/L, fills filler in pond, the filling rate of filler is 70%；
Step 3: described second black foul sewage water is entered strainer 50 μm, and filtering velocity is that the second carbon segregation apparatus of 0.3m/s is carried out
Preliminary mud-water separation, the activated sludge obtained enters high-concentration activated sludge biological tank completely, and the low concentration muddy water produced
Mixture enters advanced treatment unit；Described low concentration mud mixture concentration is less than 1200mg/L, and dissolved oxygen is 2mg/L；
Step 4: the low concentration mud mixture produced by the second carbon segregation apparatus enters advanced treatment unit to be carried out into one
Step processes, and the water outlet after being processed, wherein, described advanced treatment unit mainly uses tube settler, hydraulic detention time
For 1h.
Effluent quality after tube head village, Beijing black foul sewage former water quality of water and process is as shown in table 2,
The water quality data table of table 2 sewage Inlet and outlet water
Embodiment 3
Step 1: by black foul sewage water entrance strainer be 50 μm, filtering velocity be 2m/s the first carbon segregation apparatus in process,
The suspended substance removal of more than 70% in the most black foul sewage water, obtains the first black foul sewage water that dissolved oxygen concentration is 5mg/L；
Step 2: described first black foul sewage water is entered high-concentration activated sludge biological tank and carries out double sludge activity process 3h,
Obtaining the second black foul sewage water that dissolved oxygen concentration is 0.5～2mg/L, double sludge activities process the sludge concentration of technique and are
7500mg/L, fills filler in pond, the filling rate of filler is 50%；
Step 3: described second black foul sewage water is entered strainer 30 μm, and filtering velocity is that the second carbon segregation apparatus of 2.5m/s is carried out
Preliminary mud-water separation, the activated sludge obtained enters high-concentration activated sludge biological tank completely, and the low concentration muddy water produced
Mixture enters advanced treatment unit；Described low concentration mud mixture concentration is less than 700mg/L, and dissolved oxygen is 2mg/L；
Step 4: the low concentration mud mixture produced by the second carbon segregation apparatus enters advanced treatment unit to be carried out into one
Step processes, the water outlet after being processed；Wherein, described advanced treatment unit uses potassium permanganate composites, and hydraulic detention time is
0.5h, flocculant is poly-aluminate.
Effluent quality after tube head village, Beijing black foul sewage former water quality of water and process is as shown in table 3.
The water quality data table of table 3 sewage Inlet and outlet water
Embodiment 4
Step 1: by black foul sewage water entrance strainer be 30 μm, filtering velocity be 1.5m/s the first carbon segregation apparatus in locate
Reason, the suspended substance removal of more than 78% in the most black foul sewage water, obtain the first black foul sewage water that dissolved oxygen concentration is 7mg/L；
Step 2: described first black foul sewage water is entered high-concentration activated sludge biological tank and carries out double sludge activity process
2.8h, obtains the second black foul sewage water that dissolved oxygen concentration is 0.5～2mg/L, and double sludge activities process the sludge concentration of technique and are
15600mg/L, fills filler in pond, the filling rate of filler is 45%；
Step 3: described second black foul sewage water is entered strainer 20 μm, and filtering velocity is that the second carbon segregation apparatus of 3.5m/s is carried out
Preliminary mud-water separation, the activated sludge obtained enters high-concentration activated sludge biological tank completely, and the low concentration muddy water produced
Mixture enters advanced treatment unit；Described low concentration mud mixture concentration is less than 400mg/L, and dissolved oxygen is 3mg/L；
Step 4: the low concentration mud mixture produced by the second carbon segregation apparatus enters advanced treatment unit to be carried out into one
Step processes, the water outlet after being processed；Wherein, described advanced treatment unit mainly uses ultrafiltration system, and ultrafilter membrane uses polyamides
Amine material, filter footpath scope is 0.001～0.02um, and system, intermittent duty are washed in non-recoil, run 20min, and hydraulic detention time is
2min。
Effluent quality after tube head village, Beijing black foul sewage former water quality of water and process is as shown in table 4.
The water quality data table of table 4 sewage Inlet and outlet water
Embodiment 5
Step 1: by black foul sewage water entrance strainer be 80 μm, filtering velocity be 3m/s the first carbon segregation apparatus in process,
The suspended substance removal of more than 65% in the most black foul sewage water, obtains the first black foul sewage water that dissolved oxygen concentration is 4mg/L；
Step 2: described first black foul sewage water is entered high-concentration activated sludge biological tank and carries out double sludge activity process
3.5h, obtains the second black foul sewage water that dissolved oxygen concentration is 0.5～2mg/L, and double sludge activities process the sludge concentration of technique and are
2800mg/L, fills filler in pond, the filling rate of filler is 40%；
Step 3: described second black foul sewage water is entered strainer 10 μm, and filtering velocity is that the second carbon segregation apparatus of 4.5m/s is carried out
Preliminary mud-water separation, the activated sludge obtained enters high-concentration activated sludge biological tank completely, and the low concentration muddy water produced
Mixture enters advanced treatment unit；Described low concentration mud mixture concentration is less than 300mg/L, and dissolved oxygen is 4mg/L；
Step 4: the low concentration mud mixture produced by the second carbon segregation apparatus enters advanced treatment unit to be carried out into one
Step processes, the water outlet after being processed；Wherein, described advanced treatment unit mainly uses microfiltration systems, and micro-filtration membrane material uses
Polyamide, filter footpath scope is 0.025～10 μm, and system, intermittent duty are washed in non-recoil, run 40min, stop 2min.
Effluent quality after tube head village, Beijing black foul sewage former water quality of water and process is as shown in table 5.
The water quality data table of table 5 sewage Inlet and outlet water
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It is right to it should be pointed out that,
For those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out
Some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a urban black foul sewage water treatment system, including: the first carbon segregation apparatus, active sludge biological pond, the second carbon separate
Device and advanced treatment unit；
The outlet of described first carbon segregation apparatus is connected with the entrance in described active sludge biological pond, described active sludge biological pond
Outlet be connected with the entrance of described second carbon segregation apparatus, the outlet of described second carbon segregation apparatus and described advanced treating list
The entrance of unit is connected.
Urban black foul sewage water treatment system the most according to claim 1, it is characterised in that described second carbon segregation apparatus
Outlet is connected with the entrance in described active sludge biological pond.
Urban black foul sewage water treatment system the most according to claim 1 and 2, it is characterised in that described advanced treatment unit
Outlet be connected with the entrance in described active sludge biological pond.
Urban black foul sewage water treatment system the most according to claim 1 and 2, it is characterised in that described first carbon separates dress
The strainer put is 5～100 μm, and filtering velocity is 0.5～3.5m/s；The strainer of described second carbon segregation apparatus is 1～50 μm, and filtering velocity is
0.3～4.5m/s.
Urban black foul sewage water treatment system the most according to claim 1 and 2, it is characterised in that described advanced treatment unit
For inclined-plate clarifying basin, tube settler, potassium permanganate composites, ultrafiltration system or microfiltration systems.
6. a urban black foul sewage water treatment technology, comprises the following steps:
Urban black foul sewage water is entered the first carbon segregation apparatus process, obtain the first black foul sewage water；
Described first black foul sewage water is entered active sludge biological pond and carries out biochemical treatment, obtain the second black foul sewage water；
Described second black foul sewage water is entered the second carbon segregation apparatus and carries out mud-water separation, obtain activated sludge and mix with muddy water
Thing；
Described mud mixture entrance advanced treatment unit is processed, obtains discharging water.
Urban black foul sewage water treatment technology the most according to claim 6, it is characterised in that described activated sludge enters activity
Sludge organism pond carries out biochemical treatment.
Urban black foul sewage water treatment technology the most according to claim 6, it is characterised in that described first black foul sewage water molten
Solving oxygen concentration is 3～9mg/L, and the concentration of described mud mixture is less than 1200mg/L, and dissolved oxygen is 2～5mg/L.
Urban black foul sewage water treatment technology the most according to claim 6, it is characterised in that described active sludge biological pond is adopted
Using double sludge treatment technique, the sludge concentration of described pair of sludge treatment technique is 6000～30000mg/L, and described activated sludge is raw
The media-filling rate in thing pond is 30%～70%.
Urban black foul sewage water treatment technology the most according to claim 6, it is characterised in that the time of described biochemical treatment
Being 1～6h, the dissolved oxygen concentration of described second black foul sewage water is 0.5～2mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491467.XA CN106007189A (en) | 2016-06-28 | 2016-06-28 | Urban black-odorous sewage treatment system and technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491467.XA CN106007189A (en) | 2016-06-28 | 2016-06-28 | Urban black-odorous sewage treatment system and technology |
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| CN106007189A true CN106007189A (en) | 2016-10-12 |
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| CN201610491467.XA Pending CN106007189A (en) | 2016-06-28 | 2016-06-28 | Urban black-odorous sewage treatment system and technology |
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