CN106167333A - Refuse transfer station leachate collection and processing method - Google Patents
Refuse transfer station leachate collection and processing method Download PDFInfo
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- CN106167333A CN106167333A CN201610599323.6A CN201610599323A CN106167333A CN 106167333 A CN106167333 A CN 106167333A CN 201610599323 A CN201610599323 A CN 201610599323A CN 106167333 A CN106167333 A CN 106167333A
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- 238000012546 transfer Methods 0.000 title claims abstract description 38
- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 101
- 230000008569 process Effects 0.000 claims abstract description 58
- 230000020477 pH reduction Effects 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 230000007062 hydrolysis Effects 0.000 claims abstract description 16
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 16
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims description 63
- 239000007788 liquid Substances 0.000 claims description 40
- 239000010813 municipal solid waste Substances 0.000 claims description 37
- 239000010865 sewage Substances 0.000 claims description 27
- 230000036541 health Effects 0.000 claims description 16
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- 231100000614 poison Toxicity 0.000 claims description 9
- 230000007096 poisonous effect Effects 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 230000029087 digestion Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000006228 supernatant Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000001728 nano-filtration Methods 0.000 claims description 6
- 238000001223 reverse osmosis Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000004332 deodorization Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000010815 organic waste Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims description 2
- 230000000474 nursing effect Effects 0.000 claims 2
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 6
- 238000005056 compaction Methods 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 4
- 238000011109 contamination Methods 0.000 abstract description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 41
- 238000012423 maintenance Methods 0.000 description 14
- 238000001514 detection method Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 239000010794 food waste Substances 0.000 description 5
- 230000032258 transport Effects 0.000 description 5
- 238000005325 percolation Methods 0.000 description 4
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- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
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Classifications
-
- 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
- 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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
-
- 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
-
- 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
Landscapes
- 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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of refuse transfer station leachate collection and processing method, percolate is collected in vacuum collecting mode, collection process is carried out substantially in the pipeline of relative closure, leachate contamination refuse compaction equipment and surrounding can be prevented, ensure that staff's is healthy, reduce the amount of labour of staff.And the method using traditional biochemical embrane method to be combined with Fenton oxidation method processes percolate, hydrolysis acidification technique, anaerobic reaction technique and membrane biological reaction technique is used successively percolate to be processed, remove the harmful substances such as the ammonia nitrogen in percolate, COD, BOD, can effectively reduce process energy consumption；Using membrane separation process and Fenton oxidation technique to process percolate, the effluent quality after process reaches " integrated wastewater discharge standard " primary standard, thus realizes effective, the harmless treatment of percolate, improves the feature of environmental protection of refuse transfer station.
Description
Technical field
The invention belongs to environmental technology field, be specifically related to a kind of refuse transfer station leachate collection and processing method.
Background technology
Along with the enhancing of people's environmental consciousness, the quantity of refuse transfer station gets more and more in recent years, its effect be by from
The scattered rubbish of coming is collected in resident, unit, business and public place etc., is transported to concentrate here, and by special rubbish
Rubbish compression device, by after garbage-compressing volume reduction, is delivered to the final Treatment stations of rubbish by carrier vehicle.In garbage-compressing volume reduction process meeting
Produce percolate, because from different places, msw water content is different, and the generation amount of percolate is the most different.Percolate
Complicated component, containing poisonous and harmful substance, has the feature such as stink weight, strong, the serious environment pollution health of corrosivity.
Mostly being in existing refuse transfer station to be discharged by open drain, in percolate, escaping gas contains poisonous
Material, has a strong impact in refuse transfer station and the quality of air environment of periphery.There is the most old refuse transfer station, do not having
Arbitrarily discharge percolate in the case of making any collection measure, thus easily cause refuse compaction equipment contaminated,
Corrosion, in refuse transfer station, sewage flows over, environmental health is severe, mosquitos and flies grows, and easily causes serious secondary pollution；If ground
Percolate on face is after infiltration for a long time, in some instances it may even be possible to polluted underground water source.Percolate gravity-flow gathering system
The pipe trench degree of depth is deep, excavates complexity, and it is big to collect caliber, and difficulty of construction is big, needs to use heavy duty equipment, and Maintenance and Repair are stranded
Difficult.
Refuse transfer station percolate sewage is usually pale brown to brownish black, similar to percolate from garbage filling field character, becomes
Point complicated, pollutant levels high, distributes the most unpleasant stench, and has the feature of sewage quality extremely unstable, manage with city
Net sewage quality is compared, and its major pollutants index exceedes a lot, can cause sewage treatment plant if being directly discharged into urban pipe network
Impact load, affects the stable operation of sewage treatment plant.Particularly percolate Colority of Sewage Water, unpleasant stench is difficult to one
As method solve, badly influence urban health environment, bring high risks to urbanite.
Summary of the invention
The present embodiments relate to a kind of refuse transfer station leachate collection and processing method, at least can solve prior art
Segmental defect.
The present embodiments relate to a kind of refuse transfer station leachate collection and processing method, comprise the following steps:
Step one, is collected the percolate of refuse transfer station in vacuum collecting mode；
Step 2, be hydrolyzed acidification to the percolate collected；
Step 3, the percolate entrance anaerobic reactor processed through hydrolysis acidification carries out anaerobic reaction, obtains biogas, mud
And sewage；
Step 4, processes with the sewage that step 3 is obtained by A/O method；
Step 5, the sewage processed through A/O method enters in membrane bioreactor, removes its contained Organic substance further；
Step 6, is processed by nanofiltration equipment and/or reverse osmosis equipment through the sewage of Membrane Bioreactor for Wastewater Treatment, obtains dense
Contracting liquid and can the discharge of qualified discharge；
Step 7, described concentrated solution is qualified discharge after Fenton oxidation processes.
As one of embodiment, percolate is hydrolyzed before acidification and first carries out pretreatment.
As one of embodiment, leachate pretreatment method includes:
The large granular impurity in percolate is removed by solid-liquid separator；
The percolate processed through solid-liquid separator enters regulating reservoir to carry out homogenizing and all measures regulation.
As one of embodiment, described refuse transfer station leachate collection and processing method also include Treatment of Sludge step,
Described Treatment of Sludge step specifically includes:
The sludge part produced in membrane bioreactor is back in A/O pond, and remaining mud produces with hydrolysis acidification pool
Mud and anaerobic reactor produce the most concentrated process of mud and processed after transport outward.
As one of embodiment, produce during the supernatant produced in sludge condensation processing procedure and sludge dewatering treatment
Dehydration liquid be all passed through in A/O pond and process further.
As in one of embodiment, step one, percolate vacuum collecting process includes:
Collect percolate by collecting pipe, accepted by collecting tank and the percolate of the collecting pipe collection that prestores；
Prestoring in collecting tank after a certain amount of percolate, the percolate that will prestore by the way of vacuum draw transports the most pure virginity
In empty collecting pit, by the drain line connected bottom vacuum collecting pond, the percolate of collection is delivered to percolate and process station.
As one of embodiment, the foul smell that vacuum draw is discharged discharges after Biological filter deodorization.
As one of embodiment, in refuse transfer station, rubbish is carried out classification process, have particularly as follows: rubbish is divided into
Machine rubbish group, inorganic refuse group, material rubbish group and poisonous and harmful rubbish group, correspondingly form organic rubbish in refuse transfer station
Rubbish treatment region, inorganic refuse treatment region, material garbage disposal district and poisonous and harmful garbage disposal district, tackle reason district, everywhere mutually
Percolate carries out categorised collection.
As one of embodiment, it is used for processing at city sludge by the percolate that organic garbage treatment district collects
City sludge is nursed one's health by journey, to improve the anaerobic digestion effect of city sludge.
As one of embodiment, it is used for city sludge was processed by the percolate that organic garbage treatment district collects
The biogas slurry produced in journey is nursed one's health, and obtains conditioning liquid, uses this conditioning liquid to nurse one's health city sludge, dirty to improve cities and towns
The anaerobic digestion effect of mud.
The embodiment of the present invention at least has the advantages that the present invention collects percolate in vacuum collecting mode, collects
Process is carried out substantially in the pipeline of relative closure, is realized transhipment and the collection of percolate by vacuum draw mode, because of
And leachate contamination refuse compaction equipment and surrounding can be prevented, it is to avoid the poisonous and harmful substance in percolate evaporates into
In air, it is ensured that staff's is healthy, reduce the amount of labour of staff simultaneously.And use traditional biochemistry-embrane method
The method being combined with Fenton oxidation method processes percolate, uses hydrolysis acidification technique, anaerobic reaction technique and membrane bioreaction
Answering technique to process percolate successively, in removal percolate, while ammonia nitrogen, major pollutants COD, BOD also obtain effectively
Degraded, can effectively reduce process energy consumption.Use membrane separation process and Fenton oxidation technique that percolate is processed, improve place
Effluent quality after reason so that effluent quality reaches " integrated wastewater discharge standard " primary standard, thus realizes having of percolate
Effect, harmless treatment, improve the feature of environmental protection of refuse transfer station.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of the percolate vacuum collection device that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the percolate vacuum collection system that Fig. 2 provides for the embodiment of the present invention；
The schematic flow sheet of the percolate Collecting and dealing method that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all other
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
Such as Fig. 1, the embodiment of the present invention provides a kind of percolate vacuum collection device 1, including for accepting and prestoring
The collecting mechanism of percolate and for the conveyed by vacuum mechanism that the percolate prestored is transported in vacuum draw mode, described vacuum
Transshipment acitivity is connected with described collecting mechanism.Usually, above-mentioned collecting mechanism includes collecting tank 101 and at least one collecting pipe 102,
Collecting pipe 102, for collecting the percolate of garbage processing procedure generation and being directed to by percolate in collecting tank 101, is respectively collected
Pipe 102 is all connected on collecting tank 101, and above-mentioned each collecting pipe 102 with respect to the horizontal plane can have certain slope, consequently facilitating ooze
Filtrate relies on self gravitation to be collected in collecting tank 101.This collection device 1 is i.e. substituted by the collecting pipe 102 of relative closure and passes
The mode of percolate collected by the bright ditch of system, it is possible to the percolate produced during effectively collecting garbage-compressing, passes through vacuum
Smoking regime realizes the transhipment of percolate, thus can prevent leachate contamination refuse compaction equipment and surrounding, it is to avoid
Poisonous and harmful substance in percolate evaporates in air, it is ensured that staff's is healthy, reduces work people simultaneously
The amount of labour of member.This collection device 1 has pollution-free, without features such as blocking, low-maintenances.
Collecting mechanism can be collected the percolate prestored and transport to next collection device or transhipment by above-mentioned conveyed by vacuum mechanism
Station is processed to percolate.Such as Fig. 1, as one of embodiment, described conveyed by vacuum mechanism includes percolate drain pipe 103, true
Empty valve (not shown) and for the vaccum suction tube 104 being connected with the device for vacuum generation of peripheral hardware, described percolate drain pipe 103
One end connects with described collecting mechanism, and the other end is connected with described vaccum suction tube 104 by described vacuum valve.Wherein, preferably
Ground, described conveyed by vacuum mechanism further comprises and controls the vacuum control structure that described vacuum valve opens and closes；Treat that collecting mechanism is pre-
After having a certain amount of percolate, opened by this vacuum control structure control vacuum valve, carry out vacuum draw transhipment, i.e. go up
The transport process stating percolate is discontinuous and discontinuous, to ensure the efficiency of vacuum draw, it is to avoid energy waste.
Continuing to optimize said structure, as one of embodiment, described vacuum control structure includes that central control unit (does not shows
Go out) and for detecting the leve detecting assembly of the liquid level of the percolate that prestores, described leve detecting assembly and the control of described central authorities
Unit input processed electrically connects, and described vacuum valve electrically connects with described central control unit outfan.Pass through leve detecting assembly
The height that prestores of detection percolate, i.e. detection percolate is collected whether the amount prestored reaches set amount, this leve detecting assembly
Feedback signal is to above-mentioned central control unit, and central control unit is analyzed signal and controls vacuum valve keying.Above-mentioned central authorities control
Unit can use conventional single-chip microcomputer etc., above-mentioned control process to be conventional automation control method, it is not necessary to additionally programs.
Such as Fig. 1, above-mentioned employing collecting tank 101 being collected to the structure of the percolate that prestores, above-mentioned percolate drain pipe 103 is excellent
Electing as L-shaped, including horizontal segment and vertical section, wherein, described horizontal segment is connected to bottom described collecting tank 101, described vertically
Section is connected with described vaccum suction tube 104.Above-mentioned leve detecting assembly includes sensor tube 105 and for detecting described sensor tube
The Level Detection unit (not shown) of liquid level in 105, described sensor tube 105 is vertically connected on described horizontal segment, described liquid level
Detector unit electrically connects with described central control unit input.Wherein, above-mentioned Level Detection unit is preferably located at above-mentioned biography
In sense pipe 105, it uses conventional liquid level detection device such as liquidometer or infrared level detection device etc..Work as collecting tank
When 101 endosmosis filtrate level rise, in above-mentioned sensor tube 105 and above-mentioned percolate drain pipe 103, liquid level rises the most therewith, above-mentioned
Percolate liquid level in the sensor tube 105 of Level Detection unit detection is i.e. corresponding to the percolate liquid level in collecting tank 101
Highly.Certainly, the present embodiment is not limited to said structure, e.g., is not provided with above-mentioned percolate drain pipe 103, and directly by above-mentioned
Vaccum suction tube 104 is connected on collecting tank 101, realizes break-make by vacuum valve at connector, for this structure, and should
Vaccum suction tube 104 may connect to bottom collecting tank 101, it is possible to is connected to collecting tank 101 top, by collecting tank 101
Level Detection unit is set.Such as Fig. 1, in the present embodiment, plant structure before preferably taking, i.e. use percolate drain pipe
103 modes being connected with vaccum suction tube 104, this mode is easy to above-mentioned automation control appliance and (is included central controller, true
Empty valve, Level Detection unit etc.) install concentratedly, consequently facilitating staff concentrates maintenance, reduce maintenance investigation difficulty.Enter one
Preferably, described vacuum valve is assembled into a vacuum controller 106 with described central control unit is integrated to step.
Continue aforementioned structure, and described percolate vacuum collection device 1 is additionally provided with maintenance room 107 and as maintenance entrance
Intake Cover 108, described Intake Cover 108 covers at top, described maintenance room 107, described vacuum valve and described central control unit
All it is contained in described maintenance room 107.Percolate vacuum collection device 1 main body that the present embodiment provides is embedded in ground substantially
Under, only above-mentioned Intake Cover 108 being exposed on ground, staff enters maintenance room 107 by this Intake Cover 108, convenient
The maintenance of relevant device.When above-mentioned central control unit or vacuum valve etc. damage, in being likely to result in maintenance room 107, pressure is little
In ambient pressure, causing Intake Cover 108 to be difficult to open, therefore, described percolate vacuum collection device 1 is further also provided with
Blowdown pipe 109, described blowdown pipe 109 connects with space in described maintenance room 107, compensates maintenance room 107 by this blowdown pipe 109
The negative pressure of interior generation.Such as Fig. 1, as a kind of embodiment, this blowdown pipe 109 is the blind pipe being vertically arranged, and its bottom end closure can be put
In collecting tank 101 top, to reduce the overall occupation of land of this collection device 1, by a conduction pipe and maintenance room 107 on its sidewall
Space turns on；Further, Intake Cover 108 may extend to be covered on this blowdown pipe 109 top, and is provided with in Intake Cover 108
Control the QI invigorating unit that described blowdown pipe 109 connects with free surrounding space, such as manual control valve or pipe close etc..
Embodiment two
Such as Fig. 2, the present embodiment relates to a kind of percolate vacuum collection system, and it includes device for vacuum generation and at least
A set of percolate vacuum collection device 1, each percolate vacuum collection device 1 all uses above-described embodiment one to be provided
Percolate vacuum collection device 1, here is omitted for concrete structure.
Wherein, such as Fig. 2, described device for vacuum generation includes vacuum collecting pond 3, and this vacuum collecting pond 3 is for closing cell body, institute
Stating top, vacuum collecting pond 3 and be equipped with gas exhaust piping, described gas exhaust piping is provided with vacuum pump 4；Described vacuum collecting pond 3 is passed through
Vacuum line 2 is connected with each described percolate vacuum collection device 1.By vacuum collecting pond 3 by true for each percolate
The percolate that empty collection device 1 is collected pools together, then is delivered to percolate and processes station and process, a vacuum pump 4
The collection of the percolate of refuse transfer station can be ensured, it is ensured that the collection efficiency of percolate and percolate process the process effect of station
Rate.Connecting bottom this vacuum collecting pond 3 and have the drain line for percolate output being processed, described drain line is provided with dirt
Water pump 5, this drain line is connected to percolate and processes station.
Such as Fig. 2, gas exhaust piping the gas in the vacuum collecting pond 3 discharged is due to the nuisance discharged containing percolate
Matter, thus this part foul smell need to be processed, i.e. it is additionally provided with Odor control mechanism 6 on gas exhaust piping, it is preferable that at this foul smell
Reason mechanism 6 includes biofilter 6, by this biofilter 6, foul smell is carried out deodorization, it is ensured that the gas after deodorization meets discharge mark
Accurate.
Embodiment three
Such as Fig. 3, the embodiment of the present invention provides a kind of garbage percolation liquid treating system, including along percolate circulating direction successively
The hydrolysis acidification mechanism 703 of connection, anaerobic reaction mechanism 704, A/O mechanism 705, membrane biological reaction mechanism 706, membrance separation mechanism
And Fenton oxidation mechanism 709.Wherein:
Hydrolysis acidification mechanism 703 includes hydrolysis acidification pool 703, for the macromole open loop chain rupture in sewage is become little point
Son, processes improving the biodegradability of sewage, beneficially microorganism, and reduces sludge yield.
Anaerobic reaction mechanism 704 includes anaerobic reactor 704 (UASB), and sewage carries out anaerobism in anaerobic reactor 704
Major part Organic substance is removed in reaction, can produce biogas, sewage and mud.
Described A/O mechanism 705 includes that at least one-level A/O reaction tank, each described A/O reaction tank depend on along percolate circulating direction
Secondary connection；In the present embodiment, use two-stage A/O reaction tank.In every one-level A/O reaction tank, sewage is introduced into its denitrification pond and enters
Row anti-nitration reaction, in the complete sewage overflow of denitrification to its nitrification tank, carries out nitration reaction.The removable sewage of A/O mechanism 705
In Organic substance and realize denitrification functions.
Membrane biological reaction mechanism 706 includes membrane bioreactor 706 (MBR)；Sewage enters one in membrane bioreactor 706
Step removes its contained Organic substance.
Membrance separation mechanism preferably comprises nanofiltration equipment 707 and/or reverse osmosis equipment 708, in the present embodiment, preferably adopts
The structure being sequentially connected with nanofiltration equipment 707 and reverse osmosis equipment 708.Sewage depends on through nanofiltration equipment 707 and reverse osmosis equipment 708
After secondary process, effluent quality can be effectively improved, reach " integrated wastewater discharge standard " primary standard.
Fenton oxidation mechanism 709 includes Fenton oxidation consersion unit 709, processes the concentration obtained through above-mentioned membrance separation mechanism
Liquid processes through Fenton oxidation, the organic pollution of difficult degradation in concentrated solution can be made to be removed, can realize qualified discharge.
The method that native system uses traditional biochemistry-embrane method to be combined with Fenton oxidation method processes percolate, structure letter
Single, effective, the harmless treatment of percolate can be realized, improve the feature of environmental protection of refuse transfer station.
Such as Fig. 3, as a kind of preferred structure of the present embodiment, described system also includes leachate pretreatment mechanism, described
Leachate pretreatment mechanism is connected with described hydrolysis acidification mechanism 703.Wherein, this leachate pretreatment mechanism preferably comprises edge
Solid-liquid separator 701 that percolate circulating direction is sequentially arranged and regulating reservoir 702.By the removable diafiltration of solid-liquid separator 701
Large granular impurity in liquid, prevents equipment blocking and affects wastewater treatment efficiency.Through the diafiltration liquid pump that solid-liquid separator 701 processes
Enter regulating reservoir 702, in regulating reservoir 702, obtain homogenizing all measure, to improve follow-up percolate treatment effect.Wherein, at regulating reservoir
The boring aeration pipe for stirring it is provided with, to prevent sludge settling in 702.
Such as Fig. 3, as a kind of preferred structure of the present embodiment, described system also includes Treatment of Sludge mechanism, described mud
Processing mechanism includes sludge concentration tank 710, and the various mud produced in percolate processing procedure all input to this sludge concentration tank
Process in 710.Specifically:
(1) described membrane biological reaction mechanism 706 has the first sludge outlet, and described first sludge outlet connects has mud to return
Flow tube road and the first sludge carrier pipe road, described sludge reflux pipeline is connected to described A/O mechanism 705, and described first mud is defeated
Pipeline is sent to be connected to described sludge concentration tank 710.The sludge part that i.e. membrane bioreactor 706 produces is back to A/O mechanism 705
Utilizing, to improve A/O reaction effect, remaining enters sludge concentration tank 710 and processes.For using the A/O machine in two-stage A/O pond
Structure 705, above-mentioned returned sludge is partially into first order A/O pond 7051, A/O pond, the entrance second level 7052 additionally.
(2) described anaerobic reaction mechanism 704 has the second sludge outlet, and described second sludge outlet is defeated by the second mud
Pipeline is sent to be connected with described sludge concentration tank 710.
(3) described hydrolysis acidification mechanism 703 has the 3rd sludge outlet, and described 3rd sludge outlet is defeated by the 3rd mud
Pipeline is sent to be connected with described sludge concentration tank 710.
Continue said structure, and described Treatment of Sludge mechanism also includes sludge dewatering equipment 711, and mud is through at sludge concentration tank
Concentration after sludge dewatering equipment 711 processed in 710, forms dewatered sludge, and this partially dehydrated mud can be transported outward
Row recycling treatment.Described sludge concentration tank 710 connects supernatant outlet conduit, and the connection of described sludge dewatering equipment 711 has de-
Water liquid outlet conduit, described supernatant outlet conduit and described dehydration liquid outlet conduit are connected to described A/O mechanism 705, right
Both preferably it is connected in the A/O mechanism 705 in employing two-stage A/O pond, above-mentioned supernatant outlet conduit and dehydration liquid outlet conduit
First order A/O pond 7051, backflows the dehydration liquid that the supernatant produced in sludge concentration tank 10 and sludge dewatering produce to A/O machine
Structure 705 processes.
It addition, the biogas that anaerobic reactor 704 produces can be disposed accordingly according to its generation amount, such as generating etc., i.e. detest
The air vent of oxygen reactor 704 is connected to biogas by discharge duct and disposes mechanism.Biogas must be through biogas pretreatment before disposing
Device carries out pretreatment, and preprocess method uses existing biogas pretreating process, such as gas-liquid separation, desulfurizing and purifying etc.；Through pre-
The biogas processed can be delivered to carry out corresponding position after biogas container prestores and put.
Embodiment four
Such as Fig. 3, the present embodiment relates to a kind of percolate Collecting and dealing system, and it uses embodiment two to be provided
Percolate is collected by percolate vacuum collection system, and the percolate of collection uses the rubbish that embodiment three is provided
Rubbish percolation liquid treating system processes, above-mentioned percolate vacuum collection system and garbage percolation liquid treating system concrete
Here is omitted for structure.
Use above-mentioned percolate vacuum collection system and garbage percolation liquid treating system, can fully realize waste transportation
The collection of the percolate stood and process, it is achieved the high efficiency of percolate, harmless treatment, improve refuse transfer station
The feature of environmental protection.
Embodiment five
The present embodiment relates to a kind of refuse transfer station leachate collection and processing method, and it uses above-described embodiment four offer
Percolate Collecting and dealing system percolate is collected and processes.
It is exemplified below a specific embodiment above-mentioned refuse transfer station leachate collection and processing method are carried out furtherly
Bright:
Said method comprising the steps of:
Step one, is collected the percolate of refuse transfer station by percolate vacuum collection system；
Step 2, removes the large granular impurity in percolate by solid-liquid separator 701；
Step 3, the percolate processed through solid-liquid separator 701 enters regulating reservoir 702 to carry out homogenizing and all measures regulation；
Step 4, is adjusted the percolate of pond 702 regulation and enters hydrolysis acidification pool 703 and be hydrolyzed acidification；
Step 5, through hydrolysis acidification process percolate enter anaerobic reactor 704 carry out anaerobic reaction, obtain biogas,
Mud and sewage；
Step 6, processes above-mentioned sewage with A/O method；
Step 7, the sewage processed through A/O method enters in membrane bioreactor 706, removes it further contained organic
Thing；
Step 8, the sewage processed through membrane bioreactor 706 sequentially passes through nanofiltration equipment 707 and reverse osmosis equipment 708
Process, obtain concentrated solution and can the discharge water of qualified discharge；
Step 9, above-mentioned concentrated solution is qualified discharge after Fenton oxidation processes.
It addition, said method also includes Treatment of Sludge step, particularly as follows:
The sludge part produced in membrane bioreactor 706 is back in A/O pond 705, remaining mud and hydrolysis acidification
Pond 703 produce mud and anaerobic reactor 704 produce the most concentrated process of mud and processed after transport outward, concentration process
The dehydration liquid that the supernatant produced and dehydration produce is passed through in A/O pond 705 and processes further.
Said method is optimized further, in refuse transfer station, rubbish is carried out classification process:
As being divided into organic waste group, inorganic refuse group, material rubbish group and poisonous and harmful rubbish group；Correspondingly, to rubbish
When percolate carries out vacuum collecting, it is also adopted by categorised collection mode, forms percolate (organic rubbish that organic concentration is higher
The percolate that rubbish group produces) and the relatively low percolate of organic concentration (percolate of Other Waste group generation).Its
In, for the percolate that organic concentration is higher, it is preferably used in city sludge processing procedure, mud being adjusted
Reason, is specially and used the percolate that above-mentioned organic concentration is higher to adjust mud before city sludge anaerobic digestion
Reason.Can directly use this part percolate that mud is nursed one's health；May be used without this part percolate dirty to cities and towns
The biogas slurry produced in mud processing procedure carries out conditioning and obtains the first conditioning liquid, and this part first conditioning liquid is used further to carry out mud
Conditioning.The relatively low percolate of above-mentioned organic concentration the most still uses the process side provided in above-mentioned specific embodiment
Method processes.
Or it is divided into changing food waste group and other rubbish group；Correspondingly, when percolate is carried out vacuum collecting, also adopt
Use categorised collection mode, form food waste percolate and other percolate.Wherein, for food waste percolate, excellent
Elect as mud being nursed one's health in city sludge processing procedure, be specially before city sludge anaerobic digestion and use
Mud is nursed one's health by the percolate stating organic concentration higher.Can directly use this part food waste percolate to dirt
Mud is nursed one's health；For using this part food waste percolate that the biogas slurry produced in city sludge processing procedure is nursed one's health
Obtaining the second conditioning liquid, this part second conditioning liquid is used further to nurse one's health mud.Other percolate above-mentioned is the most still adopted
Process by the processing method provided in above-mentioned specific embodiment.
The method that mud is nursed one's health in city sludge processing procedure by above-mentioned employing part percolate, have with
Lower beneficial effect:
(1) the required water amount during sludge conditioning can be saved, reduce city sludge processing cost.
(2) belong to high-COD waste water due to percolate, containing large amount of organic, use percolate dilution mud can improve dirt
Muddy water mutually in COD content so that mud is easier to anaerobic digestion and produces biogas, thus improves biogas output, i.e. improves cities and towns
The economic benefit of Treatment of Sludge.
(3) solve the process problem of part percolate, reduce the process of above-mentioned percolate Collecting and dealing system
Amount, reduces its operating cost, improves the feature of environmental protection of this leachate processing method.
It addition, directly city sludge can be delivered to the above-mentioned percolate for city sludge conditioning to process place,
Also can be biological with film in above-mentioned percolate Collecting and dealing system by the above-mentioned percolate for city sludge conditioning
The mud that reactor 706, hydrolysis acidification pool 703 and anaerobic reactor 704 produce is delivered at city sludge after mixing again
Reason place, i.e. omits the process step of mud in above-mentioned percolate Collecting and dealing system, can reduce further and be processed into
This.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a refuse transfer station leachate collection and processing method, it is characterised in that comprise the following steps:
Step one, is collected the percolate of refuse transfer station in vacuum collecting mode；
Step 2, be hydrolyzed acidification to the percolate collected；
Step 3, the percolate entrance anaerobic reactor processed through hydrolysis acidification carries out anaerobic reaction, obtains biogas, mud and dirt
Water；
Step 4, processes with the sewage that step 3 is obtained by A/O method；
Step 5, the sewage processed through A/O method enters in membrane bioreactor, removes its contained Organic substance further；
Step 6, is processed by nanofiltration equipment and/or reverse osmosis equipment through the sewage of Membrane Bioreactor for Wastewater Treatment, obtains concentrated solution
With can the discharge water of qualified discharge；
Step 7, described concentrated solution is qualified discharge after Fenton oxidation processes.
2. refuse transfer station leachate collection as claimed in claim 1 and processing method, it is characterised in that: percolate enters
Row hydrolysis acidification first carries out pretreatment before processing.
3. refuse transfer station leachate collection as claimed in claim 2 and processing method, it is characterised in that leachate pretreatment
Method includes:
The large granular impurity in percolate is removed by solid-liquid separator；
The percolate processed through solid-liquid separator enters regulating reservoir to carry out homogenizing and all measures regulation.
4. refuse transfer station leachate collection as claimed in claim 1 and processing method, it is characterised in that described waste transportation
Stand leachate collection and processing method also include that Treatment of Sludge step, described Treatment of Sludge step specifically include:
The sludge part produced in membrane bioreactor is back in A/O pond, the dirt that remaining mud produces with hydrolysis acidification pool
Transport outward after the most concentrated process of mud that mud and anaerobic reactor produce and processed.
5. refuse transfer station leachate collection as claimed in claim 4 and processing method, it is characterised in that: sludge condensation processes
During the dehydration liquid that produces during the supernatant that produces and sludge dewatering treatment be all passed through in A/O pond and process further.
6. refuse transfer station leachate collection as claimed in claim 1 and processing method, it is characterised in that in step one, rubbish
Rubbish percolate vacuum collecting process includes:
Collect percolate by collecting pipe, accepted by collecting tank and the percolate of the collecting pipe collection that prestores；
Collecting tank prestores after a certain amount of percolate, by the way of vacuum draw, the percolate prestored is transported to vacuum and receives
In collection pond, by the drain line connected bottom vacuum collecting pond, the percolate of collection is delivered to percolate and process station.
7. refuse transfer station leachate collection as claimed in claim 6 and processing method, it is characterised in that: vacuum draw is discharged
Foul smell discharge after Biological filter deodorization.
8. refuse transfer station leachate collection as claimed in claim 1 and processing method, it is characterised in that: at refuse transfer station
In, rubbish is carried out classification process, particularly as follows: rubbish to be divided into organic waste group, inorganic refuse group, material rubbish group and poisonous
Harmful Waste group, correspondingly forms organic garbage treatment district, inorganic refuse treatment region, material garbage disposal in refuse transfer station
District and poisonous and harmful garbage disposal district, the percolate in reply reason district, everywhere carries out categorised collection mutually.
9. refuse transfer station leachate collection as claimed in claim 8 and processing method, it is characterised in that: at organic waste
The percolate that reason district collects is for nursing one's health city sludge in city sludge processing procedure, dirty to improve cities and towns
The anaerobic digestion effect of mud.
10. refuse transfer station leachate collection as claimed in claim 8 and processing method, it is characterised in that: by organic waste
The percolate that treatment region is collected, for nursing one's health the biogas slurry produced in city sludge processing procedure, is nursed one's health
Liquid, uses this conditioning liquid to nurse one's health city sludge, to improve the anaerobic digestion effect of city sludge.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840534A (en) * | 2017-10-31 | 2018-03-27 | 武汉新禹智水环保科技有限公司 | A kind of refuse transfer station is odorless, extruding liquor treating process without solid waste discharge |
| CN111111397A (en) * | 2020-01-08 | 2020-05-08 | 纪琦晖 | Nascent oxygen environment-friendly composite deodorant |
| CN112551800A (en) * | 2020-10-14 | 2021-03-26 | 南京万德斯环保科技股份有限公司 | Full-quantitative treatment method of kitchen biogas slurry |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767914A (en) * | 2010-01-12 | 2010-07-07 | 广西博世科环保科技有限公司 | Method for treating garbage leachate |
| CN202193699U (en) * | 2011-07-27 | 2012-04-18 | 上海复旦水务工程技术有限公司 | Device for treating high-concentration landfill leachate |
| CN103319043A (en) * | 2012-03-23 | 2013-09-25 | 太平洋水处理工程有限公司 | Large circulation garbage percolate treatment process with characteristic of adaptability |
| CN105366871A (en) * | 2014-08-20 | 2016-03-02 | 湖南绿瑞环保科技开发有限公司 | Processing method of landfill leachate |
-
2016
- 2016-07-27 CN CN201610599323.6A patent/CN106167333A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767914A (en) * | 2010-01-12 | 2010-07-07 | 广西博世科环保科技有限公司 | Method for treating garbage leachate |
| CN202193699U (en) * | 2011-07-27 | 2012-04-18 | 上海复旦水务工程技术有限公司 | Device for treating high-concentration landfill leachate |
| CN103319043A (en) * | 2012-03-23 | 2013-09-25 | 太平洋水处理工程有限公司 | Large circulation garbage percolate treatment process with characteristic of adaptability |
| CN105366871A (en) * | 2014-08-20 | 2016-03-02 | 湖南绿瑞环保科技开发有限公司 | Processing method of landfill leachate |
Non-Patent Citations (1)
| Title |
|---|
| 秦乐乐: "基于芬顿原理的高级氧化技术去除垃圾渗滤液中难降解有机物的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840534A (en) * | 2017-10-31 | 2018-03-27 | 武汉新禹智水环保科技有限公司 | A kind of refuse transfer station is odorless, extruding liquor treating process without solid waste discharge |
| CN107840534B (en) * | 2017-10-31 | 2018-09-25 | 武汉新禹智水环保科技有限公司 | A kind of odorless extruding liquor treating process without solid waste discharge of refuse transfer station |
| CN111111397A (en) * | 2020-01-08 | 2020-05-08 | 纪琦晖 | Nascent oxygen environment-friendly composite deodorant |
| CN112551800A (en) * | 2020-10-14 | 2021-03-26 | 南京万德斯环保科技股份有限公司 | Full-quantitative treatment method of kitchen biogas slurry |
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