CN110330169A - A method of collaboration processing sewage - Google Patents
A method of collaboration processing sewage Download PDFInfo
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- CN110330169A CN110330169A CN201910439987.XA CN201910439987A CN110330169A CN 110330169 A CN110330169 A CN 110330169A CN 201910439987 A CN201910439987 A CN 201910439987A CN 110330169 A CN110330169 A CN 110330169A
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- 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
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/12—Sludge, slurries or mixtures of liquids
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention provides a kind of method of collaboration processing sewage, and the sewage includes municipal solid waste incinerator percolate, landfill percolate and kitchen waste water.The described method includes: collecting municipal solid waste incinerator percolate, landfill percolate and kitchen waste water respectively；It is mixed after the municipal solid waste incinerator percolate, the landfill percolate and the kitchen waste water are pre-processed respectively, obtains mixed liquor；The mixed liquor is handled with obtain can reuse produce water, wherein the processing includes the anaerobic bio-treated successively carried out, the processing of nitrification/denitrification and advanced treating.According to the present invention, it is handled after garbage burning factory percolate, percolate from garbage filling field and kitchen waste water are incorporated to same sewage collecting pool together, the investment of two independent Sewage Disposals can be saved, reduce occupied area, reduce civil engineering costs, meanwhile handled to obtain after mixing three kinds of sewage can reuse production water, improve sewage treating efficiency.
Description
Technical field
The present invention relates to field of garbage disposal, in particular to a kind of method of collaboration processing sewage.
Background technique
Fresh house refuse generally requires 3~7d of heap ferment in factory before burning, so that rubbish cures and drips moisture removal,
To improve the calorific value of rubbish, generation garbage burning factory percolate during this.House refuse will during stacking or landfill
Generate the percolate for containing a large amount of pollutants.Since the factors such as climate, region and local living habit influence, percolate has
Water quality and quantity changes greatly, suspended matter (SS), soluble solid (TDS) in water, the features such as ammonia nitrogen and organic pollutant concentration are higher.
The liquid that landfill percolate is mainly derived from natural precipitation, itself aqueous, waste is generated in stockyard by thermal decomposition in house refuse
Body etc., and generate gravity flowing in landfill heap body and impregnate generated liquid in rubbish.Landfill percolate with
Time extension is filled, ammonia nitrogen concentration and hardly degraded organic substance content increase, BOD5/CODCrValue reduces, and nutritive proportion (C:N:P) is tight
It lacks of proper care again, biodegradability is poor, the generally existing biochemical system fluctuation of service of conventional garbage landfill percolate treatment process, fortune
The problems such as row is at high cost, water outlet is not up to standard.Also, most of concentrated water all recharges after processing cause old-age group to fill out to landfill yard
It buries a percolate and accumulates serious, processing difficulty increase.
Kitchen waste water is one waste water that kitchen garbage generates after grease extracts and is separated by solid-liquid separation.Kitchen garbage processing
The waste water quality that process generates is complicated, has the characteristics that high total nitrogen, high COD, high salt and high SS, processing difficulty is larger, especially
It is the nitrogen in kitchen waste water containing higher concentration, such as disposes arbitrarily discharge without depth, water eutrophication can be caused.
Increasingly increase along with attention degree of the country to environmental protection, and sewage drainage standard is also further harsh, traditional fills out
Mai Chang percolate treatment plant and kitchen waste water treatment plant are existed using separately construction and are taken up a large area, civil engineering costs height, are discharged not
The problems such as up to standard, biochemical operation is poor, carbon-nitrogen ratio is uneven, in turn result in operating cost is high, initial investment greatly, fluctuation of service asks
Topic etc..
For this reason, it is necessary to which it is useless to propose that a kind of collaboration handles municipal solid waste incinerator percolate, landfill percolate and kitchen
The method of water, to solve the problems of the prior art.
Summary of the invention
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.Summary of the invention is not meant to attempt to limit technical solution claimed
Key feature and essential features do not mean that the protection scope for attempting to determine technical solution claimed more.
The present invention provides it is a kind of collaboration processing sewage method, the sewage include municipal solid waste incinerator percolate,
Landfill percolate and kitchen waste water, comprising:
Municipal solid waste incinerator percolate, landfill percolate and kitchen waste water are collected respectively；
The municipal solid waste incinerator percolate, the landfill percolate and the kitchen waste water are located in advance respectively
It is mixed after reason, obtains mixed liquor；
The mixed liquor is handled with obtain can reuse produce water, wherein the processing includes the anaerobism that successively carries out
Biological treatment, nitrification/denitrification processing and advanced treating.
Illustratively, the municipal solid waste incinerator percolate, the landfill percolate and the kitchen waste water are received
The percolate reservoir collected in garbage burning factory is mixed.
Illustratively, sludge is generated after handling the mixed liquor, the method also includes carrying out to the sludge
Dehydration obtains dewatered sludge and supernatant liquor and burns the dewatered sludge.
It illustratively, further include being mixed after being pre-processed to the supernatant liquor, to obtain the mixed liquor.
Illustratively, the anaerobic bio-treated includes that the mixed liquor is made to carry out anaerobic reaction to remove organic matter.
Illustratively, the processing of the nitrification/denitrification to the mixed liquor nitrify/anti-nitration reaction to be to remove
Nitrogen, using ultrafiltration membrance filter to improve effluent quality.
Illustratively, in the nitrification/denitrification processing, the landfill percolate is the municipal solid waste incinerator
Organic matter provides carbon source in percolate and kitchen waste water
Illustratively, the pretreatment includes that the mixed liquor is successively passed through to mechanical filter, sedimentation basin precipitating and is adjusted
Pond is adjusted.
Illustratively, the advanced treating includes Chemical softnessprocess.
Illustratively, the advanced treating further includes reverse osmosis treatment.
Collaboration according to the present invention handles the side of municipal solid waste incinerator percolate, landfill percolate and kitchen waste water
Garbage burning factory percolate, percolate from garbage filling field and kitchen waste water are incorporated to after sewage collecting pool mixes together and carry out by method
Processing, saves two individual Sewage Disposals, reduces occupied area, reduce civil engineering costs；Meanwhile by three kinds of sewage
Mix it is latter with handled to obtain can reuse production water, take full advantage of the general character of three kinds of sewage treatments, solve three kinds of dirts
The problem of hardly possible at high cost, up to standard is managed in moisture other places, improves sewage treating efficiency and processing quality.
Detailed description of the invention
Following drawings of the invention is incorporated herein as part of the present invention for the purpose of understanding the present invention.Shown in the drawings of this hair
Bright embodiment and its description, principle used to explain the present invention.
In attached drawing:
Fig. 1 is that municipal solid waste incinerator percolate, landfill yard diafiltration are handled according to the collaboration of one embodiment of the present of invention
The flow chart of the method for liquid and kitchen waste water；
Fig. 2 is to handle municipal solid waste incinerator percolate, landfill yard according to a kind of collaboration of one embodiment of the present of invention
The structural block diagram of the system of percolate and kitchen waste water.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed description will be proposed in following description, to illustrate collaboration of the invention
The method for handling municipal solid waste incinerator percolate, landfill percolate and kitchen waste water.Obviously, execution of the invention and unlimited
In the specific details that the technical staff of field of garbage disposal is familiar with.Presently preferred embodiments of the present invention is described in detail as follows, however
Other than these detailed descriptions, the present invention can also have other embodiments.
It should give it is noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiment of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
It is intended to include plural form.Additionally, it should be understood that when using term "comprising" and/or " comprising " in the present specification
When, indicate that there are the feature, entirety, step, operation, element and/or component, but do not preclude the presence or addition of one or more
Other a features, entirety, step, operation, element, component and/or their combination.
Now, an exemplary embodiment of the present invention is more fully described with reference to the accompanying drawings.However, these exemplary realities
Applying example can be implemented with many different forms, and should not be construed to be limited solely to the embodiments set forth herein.It should
These embodiments that are to provide understood are in order to enable disclosure of the invention is thoroughly and complete, and by these exemplary implementations
The design of example is fully conveyed to those of ordinary skill in the art.In the accompanying drawings, for the sake of clarity, the thickness of layer and region is exaggerated
Degree, and make that identical element is presented with like reference characters, thus description of them will be omitted.
Landfill percolate extends with the landfill time, and ammonia nitrogen concentration and hardly degraded organic substance content increase, BOD5/CODCr
Value reduces, and nutritive proportion (C:N:P) numerous imbalances, biodegradability is poor, and conventional garbage landfill percolate treatment process is universal
There are biochemical system fluctuation of service, operating cost is high, is discharged the problems such as not up to standard.Also, most of concentrated water after processing
All recharge causes aged landfill percolate to accumulate serious, processing difficulty increases to landfill yard.
The waste water quality that kitchen garbage treatment process generates is complicated, has high total nitrogen, high COD, high salt and high SS etc. special
Point, processing difficulty is larger, especially containing the nitrogen of higher concentration in kitchen waste water, such as without disposing arbitrarily discharge, can draw
Play water eutrophication.
Increasingly increase along with attention degree of the country to environmental protection, and sewage drainage standard is also further harsh, traditional fills out
Mai Chang percolate treatment plant and kitchen waste water treatment plant are existed using separately construction and are taken up a large area, civil engineering costs height, are discharged not
The problems such as up to standard, biochemical operation is poor, carbon-nitrogen ratio is uneven, in turn result in operating cost is high, initial investment greatly, fluctuation of service asks
Topic etc..
In order to solve the problems in the prior art, the present invention provides a kind of collaboration processing municipal solid waste incinerator diafiltrations
The method of liquid, landfill percolate and kitchen waste water, comprising:
Municipal solid waste incinerator percolate, landfill percolate and kitchen waste water are collected respectively；
The municipal solid waste incinerator percolate, the landfill percolate and the kitchen waste water are mixed, obtained
To mixed liquor；
The mixed liquor is handled with obtain can reuse produce water, wherein the processing includes that successively to carry out anaerobism raw
Object processing, membrane biological reaction and advanced treating.
The device of the invention to the collaboration processing of a variety of sewage is schematically illustrated below with reference to Fig. 1 and Fig. 2, wherein
Fig. 1 is to handle municipal solid waste incinerator percolate, landfill percolate and kitchen according to the collaboration of one embodiment of the present of invention
The flow chart of the method for waste water；Fig. 2 is to handle municipal solid waste incinerator according to a kind of collaboration of one embodiment of the present of invention to seep
Filtrate, landfill percolate and kitchen waste water system structural block diagram.
Referring initially to Fig. 1, step S1 is executed: collecting municipal solid waste incinerator percolate, landfill percolate and meal respectively
Kitchen waste water.
Landfill percolate is mainly derived from that natural precipitation, itself aqueous, waste is thermally decomposed in stockyard in house refuse
The liquid etc. of generation, and generate gravity flowing in landfill heap body and impregnate generated liquid in rubbish.Garbage loading embeading
Field leachate quality generally has the following characteristics that macromolecular, COD high difficult to degrade；Ammonia nitrogen, total nitrogen are high, carbon-nitrogen ratio imbalance；It is total hard
Degree, total alkalinity are higher；Total dissolved solid is high, and chloride ion and sulfate radical are relatively high, and fouling tendency is big.
Fresh house refuse generally requires 3~7d of heap ferment in factory before burning, so that rubbish cures and drips moisture removal,
To improve the calorific value of rubbish, generation garbage burning factory percolate during this.Garbage incinerating power plant percolate is because without hair
Ferment, biodegradability are good.
Waste water in kitchen garbage is generated after grease extracts and is separated by solid-liquid separation by kitchen garbage.
The technique that tradition handles above-mentioned three kinds of sewage uses builds processing workstation respectively, take up a large area,
Civil engineering costs is high, is discharged the problems such as not up to standard, biochemical operation is poor, carbon-nitrogen ratio is uneven, in turn results in operating cost height, initial stage throws
Big, fluctuation of service problem of money etc..The present invention introduces same treatment tank mixing after collecting above-mentioned three kinds of sewage respectively after
It is handled, saves two individual Sewage Disposals, reduce occupied area, reduce civil engineering costs.
With continued reference to Fig. 1, step S2 is executed: will be by the municipal solid waste incinerator percolate, the landfill percolate
It is mixed after being pre-processed respectively with the kitchen waste water, obtains mixed liquor, obtain mixed liquor.Illustratively, it is received using sewage
Ji Chi mixes three.
Referring to Fig. 2, shows a kind of collaboration according to the present invention and handle municipal solid waste incinerator percolate, landfill yard diafiltration
The structural block diagram of the system of liquid and kitchen waste water.Wherein, sewage collecting pool 1 is to collect sewage to be processed, and wherein sewage is received
Collecting pond 1 includes that percolate from garbage filling field collection device 101, garbage burning factory leachate collecting device 102 and kitchen waste water are received
Acquisition means 103.Percolate from garbage filling field collection device 101 collects the percolate generated after garbage loading embeading.Garbage burning factory seeps
Filtrate collection device 102 is to collect garbage burning factory percolate.Kitchen waste water collection device 103 is to collect in kitchen garbage
Waste water, above-mentioned three kinds of sewage introduces after same treatment tank mixes and be handled by the present invention, save two it is individually dirty
Water treatment station reduces occupied area, reduces civil engineering costs.
The pretreatment includes that the mixed liquor is successively passed through to mechanical filter, sedimentation basin precipitating and conditioning tank to adjust.Ginseng
It sees Fig. 2, the pretreatment is carried out in pretreatment system 201.
Pretreatment system 201 is made of mechanical filter, sedimentation basin and conditioning tank.Municipal solid waste incinerator percolate, rubbish
Rubbish landfill percolate and kitchen garbage organic wastewater are by the biggish floating material of self-cleaning basket filter removal, fibrous matter
With after solid particle enter vertical sedimentation basin.Sedimentation basin will be contained in percolate and kitchen waste water using sedimentation theory
A large amount of suspended matters and colloidal substance precipitation and separation, to mitigate the processing load of subsequent structures.The overflow of sedimentation basin supernatant is extremely
Conditioning tank, the sludge for being deposited on bucket bottom periodically drain into sludge concentration tank with Pulp pump.
Since percolate water is in peak, the uneven state of paddy, percolation liquid treating system needs to be arranged the adjusting of a constant volume
Pond spares to aftertreatment systems bring impact load to alleviate water unevenness.Simultaneously, it is contemplated that percolate from garbage filling field ammonia
Nitrogen is higher, carbon-nitrogen ratio is unbalance, biodegradability is poor, and COD concentration is higher in kitchen waste water, and the two is sufficiently mixed in conditioning tank
It closes, homogeneous average, improves the biochemical of raw water.
An example according to the present invention, it is described by the municipal solid waste incinerator percolate, the landfill percolate
The percolate reservoir being collected into garbage burning factory with the kitchen waste water is mixed.
An example according to the present invention, also generates sludge after handling the mixed liquor, the method also includes
The sludge is carried out dehydrating and obtains dewatered sludge and supernatant liquor and the burning dewatered sludge.
An example according to the present invention, the percolate reservoir in municipal solid waste incinerator mix three.It adopts
Percolate reservoir in municipal solid waste incinerator mixes three, allows the sludge generated after subsequent processing straight
It taps into and is burned into municipal solid waste incinerator, effectively reduce process, improve treatment effeciency.
With continued reference to Fig. 1, execute step S3: the mixed liquor is handled with obtain can reuse produce water, wherein it is described
Processing includes successively carrying out anaerobic bio-treated, nitrification/denitrification processing and advanced treating.
With continued reference to Fig. 2, mixed liquor is handled in processing unit 2.
Processing unit 2 includes: pretreatment system 201, anaerobic bio-treated device 202, membrane bioreactor 203 and depth
Processing system 204.
Illustratively, anaerobic bio-treated device 202 is set as inner-outer circulation high efficiency anaerobic reactor (IOC).It is micro- wherein
Biology exists in the form of granular sledge, and biomass obviously increases；Since water distribution is relatively uniform, and upflow velocity is high, sludge
Suspension is presented and swelling state, sewage and microorganism contact probability greatly increase, treatment effeciency significantly improves；With methane production rate
High, the features such as outlet water organic substance is low, effluent quality is good.Meanwhile reactor is handled using anaeration in normal temperature, in order to low in winter temperature
When can maintain system need temperature of reactor, needed before percolate enters anaerobic system setting heating system, anaerobic reactor
Insulation is also contemplated that when design.
The nitrification/denitrification processing is carried out in membrane bioreactor 203.It is generated by anaerobic bio-treated device 202
Anaerobism produces water gravity flow and enters nitrification/denilrification system.It produces water to anaerobism using aerating system and fills and add enough oxygen, make aerobic bacteria
There can be enough oxygen utilization Organic substance in water to carry out metabolism, so that the pollutant in water be made to become carbon dioxide and water etc.
Harmless inorganic matter.Anaerobism produces water and is introduced into denitrification pond progress denitrification denitrogenation, subsequently enters nitrification tank and carries out nitration reaction, most
Enter ultrafiltration membrane system afterwards.External membrane system ultrafiltration membrane realizes the mud-water separation of biochemical treatment system, retains sludge, improves micro-
Biological concentration improves the removal efficiency of reactor.
Illustratively, in the nitrification/denitrification processing, the landfill percolate is the municipal solid waste incinerator
Organic matter provides carbon source in percolate and the kitchen waste water.Landfill percolate is used to be percolated for the municipal solid waste incinerator
Organic matter provides carbon source in liquid and kitchen waste water, reduces process operation cost.
An example according to the present invention, advanced treating include Chemical softnessprocess and/or reverse osmosis treatment.It is exemplary
, chemical tendering reaction tank is first delivered to by the water of membrane bioreactor output, lime and a small amount of chlorine are added into reaction tank
Sour sodium, is stirred to react, and removes most hardness, heavy metal；Meanwhile lime has certain adsorptivity, can remove one
Divide COD；Sodium hypochlorite is strong oxidizer, reduces coloration and oxidized portion COD, can also anti-locking system microbial contamination.By
The water overflow containing sediment after reaction enters sedimentation basin, and in sedimentation basin, the sediment for reacting generation is deposited on bottom.Cross-flow
The filter membrane that declines is separated the sediment in waste water using micropore, for replacing traditional sedimentation or clarification process, can be obtained
Preferable effluent quality.Sedimentation basin concentration sludge and micro-filtrate membrane filtration generate sludge enter centrifugal separator to sludge into
Row is concentrated again.
Microfiltration membranes produce water and are discharged into production pond, and into micro-filtration production pond, micro-filtration production water is adjusted to neutrality, acid adding by addition hydrochloric acid
Both it had prevented inorganic salts in film surface fouling, and also may make that the ammonia of free state and the sulfuric acid of addition form ammonia salt in raw water, improved film
To ammonia nitrogen removal frank.Enter counter-infiltration system after bag filter.Reverse osmosis membrane concentrate is delivered to incineration plant main building
Reuse.
The device to the collaboration processing of a variety of sewage according to the abovementioned embodiments of the present invention, this technique is using MBR to anaerobism
Water outlet carries out advanced nitrogen.Basicity, hardness are relatively high in sewage, and calcium hydroxide, sodium hydroxide is added, and wastewater pH is adjusted to conjunction
Suitable pH, can convert bicarbonate radical in water to carbonate, carbonate can with calcium and magnesium ion in water and most of metal from
Son reaction generates precipitating, by filtering out these ions, greatly reduces divalent ion in the tendency of reverse osmosis concentrated water end (W.E.) fouling.Reverse osmosis
Permeable membrane component has selectivity retention to ion, removes most salts.Reverse osmosis membrane assembly removes various ions, COD
Rate can achieve 95% or more, and stable effluent quality is up to standard.
Percolate from garbage filling field and kitchen waste water utilize MSW Incineration Plant percolate treating process line, are not required to
It is additional to increase civil engineering construction, save cost of investment；The technique seeps MSW Incineration Plant percolate, refuse landfill
Filtrate and the mixing of kitchen waste water homogeneous, improve system biochemical, are not required to additionally add the expensive carbon source such as methanol, reduce
Process operation cost.
An example according to the present invention is handled and deep by above-mentioned pretreatment, anaerobic bio-treated, membrane biological reaction
After degree processing, Process for Effluent is stably reached in " urban sewage reutilization industry water standard " (GB/T19923-2005) and is opened wide
Formula recirculating cooling water system supplements water water standard.
Illustratively, in the step S3, sludge is obtained while processing the mixed liquor, the method is also
Dewatered sludge and supernatant liquor are obtained including being carried out dehydrating to the sludge.
Setting sludge storage pool 3 collects the sludge as shown in Figure 2, and is carried out dehydrating to the sludge, is dehydrated
Sludge and supernatant liquor.Illustratively, as shown in Fig. 2, sludge storage pool 3 includes the first sludge storage pool 301 and the second sludge storage pool
302, wherein the first sludge storage pool is used to store by pretreatment system 201, anaerobic bio-treated device 202, membrane bioreactor 203
The sludge of discharge, the second sludge storage pool 302 are used to store the sludge of the discharge of advanced treatment system 204.
According to one embodiment of present invention, sewage collecting pool setting is described by the house refuse in garbage burning factory
Incineration leachate, the landfill percolate and the kitchen waste water are collected into the progress of the percolate reservoir in garbage burning factory
Mixing.Wherein, the dewatered sludge that the sludge generated after processing unit handles sewage is formed after being dehydrated into sludge storage pool excessively
Input incinerator is burned.
According to one embodiment of present invention, sludge storage pool continues input processing to the supernatant liquor formed after sludge dewatering
Device is handled, with formed can reuse production water.
An example according to the present invention, the moisture percentage in sewage sludge of generation is higher, is dehydrated its moisture content from 96% or so
It is down to 70%~85%, volume is reduced to original 1/5~1/10, and dewatered sludge send the incinerator to incineration plant to be burned
Processing, supernatant liquor are back to processing unit and are further processed.So that sewage (including liquid portion and solid portion)
To being effectively treated comprehensively, the quality and treatment effeciency of sewage treatment are further improved.
The present invention has been explained by the above embodiments, but it is to be understood that, above-described embodiment is only intended to
The purpose of citing and explanation, is not intended to limit the invention to the scope of the described embodiments.Furthermore those skilled in the art
It is understood that the present invention is not limited to the above embodiments, introduction according to the present invention can also be made more kinds of member
Variants and modifications, all fall within the scope of the claimed invention for these variants and modifications.Protection scope of the present invention by
The appended claims and its equivalent scope are defined.
Claims (10)
1. it is a kind of collaboration processing sewage method, the sewage include municipal solid waste incinerator percolate, landfill percolate and
Kitchen waste water characterized by comprising
Municipal solid waste incinerator percolate, landfill percolate and kitchen waste water are collected respectively；
After the municipal solid waste incinerator percolate, the landfill percolate and the kitchen waste water are pre-processed respectively
Mixing, obtains mixed liquor；
The mixed liquor is handled with obtain can reuse produce water, wherein the processing includes the anaerobic organism that successively carries out
Processing, nitrification/denitrification processing and advanced treating.
2. the method as described in claim 1, which is characterized in that by the municipal solid waste incinerator percolate, the landfill yard
The percolate reservoir that percolate and the kitchen waste water are collected into garbage burning factory is mixed.
3. method according to claim 2, which is characterized in that generate sludge, the side after handling the mixed liquor
Method further includes being carried out dehydrating to obtain dewatered sludge and supernatant liquor and the burning dewatered sludge to the sludge.
4. method as claimed in claim 3, which is characterized in that further include being mixed after being pre-processed to the supernatant liquor
It closes, to obtain the mixed liquor.
5. the method as described in claim 1, which is characterized in that the anaerobic bio-treated includes detesting the mixed liquor
Oxygen is reacted to remove organic matter.
6. the method as described in claim 1, which is characterized in that the processing of the nitrification/denitrification to the mixed liquor into
Row nitrification/anti-nitration reaction is to remove nitrogen, using ultrafiltration membrance filter to improve effluent quality.
7. the method as described in claim 1, which is characterized in that in the nitrification/denitrification processing, the landfill yard diafiltration
Liquid provides carbon source for organic matter in the municipal solid waste incinerator percolate and kitchen waste water.
8. the method as described in claim 1, which is characterized in that the pretreatment includes that the mixed liquor is successively passed through machinery
Filtering, sedimentation basin precipitating and conditioning tank are adjusted.
9. the method as described in claim 1, which is characterized in that the advanced treating includes Chemical softnessprocess.
10. the method as described in claim 1, which is characterized in that the advanced treating further includes reverse osmosis treatment.
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