CN108178454A - A kind of non-membrane treating method of kitchen garbage, waste-water - Google Patents
A kind of non-membrane treating method of kitchen garbage, waste-water Download PDFInfo
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- CN108178454A CN108178454A CN201810059407.XA CN201810059407A CN108178454A CN 108178454 A CN108178454 A CN 108178454A CN 201810059407 A CN201810059407 A CN 201810059407A CN 108178454 A CN108178454 A CN 108178454A
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F3/30—Aerobic and anaerobic processes
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
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Abstract
The invention discloses a kind of non-membrane treating methods of kitchen garbage, waste-water, include the following steps：A, the processing system such as lower structure is first obtained：Including pretreatment system and biochemical treatment system；Pretreatment system includes Demulsification and coagulant device；Biochemical treatment system includes the SHARON devices, hydrolysis acidification device, A/O devices and the ABFT devices that are sequentially connected setting；The water inlet of SHARON devices is connected to the water outlet of Demulsification and coagulant device；B, kitchen garbage, waste-water first flows into suspended matter, vegetable and animals oils and the dissolved oxygen in Demulsification and coagulant device removal waste water；It enters back into SHARON devices to denitrogenate, then flows into hydrolysis acidification device and the larger molecular organics in waste water are resolved into small organic molecule；It subsequently enters A/O devices to carry out nitrifying/anti-nitration reaction, finally enters after ABFT devices carry out biochemical denitrification and precipitate, supernatant outflow.The present invention has without jet-flow aeration and biomembrane, and simple for process, treatment effect is preferable, the advantages that advantageously reducing operating cost.
Description
Technical field
The present invention relates to kitchen garbage processing technology field, in particular to a kind of non-embrane method processing side of kitchen garbage, waste-water
Method.
Background technology
Kitchen garbage, waste-water is mainly derived from the kitchen garbage moisture that interior aqueous and rubbish generates during the fermentation in itself,
The complicated component of kitchen waste water, high organic content mainly have food fiber, starch, fat, animals and plants oil, all kinds of assistants
Material, detergent and protein etc..Since the aliphatic acid that kitchen garbage resolves under pyrohydrolysis effect is not degraded further,
The COD mass concentrations of generation waste water are increased, and there is abundant protein in kitchen garbage solid content, protein is digesting
Process is caused kitchen garbage, waste-water to have high-caliber ammonia nitrogen and total nitrogen concentration, is caused carbon-nitrogen ratio relatively low by ammonification, not only right
Anaerobic digestion has an impact, and the processing of follow-up wastewater biochemical is also affected.Due to the inhibiting effect of high ammonia nitrogen, biochemical treatment tool
There is larger difficulty.
For processing kitchen garbage, waste-water generally using A/O+ hyperfiltration treatment techniques, the process sludge concentration is high at present, during stop
Between it is short, stability is good, but due to using jet-flow aeration and ultra-filtration water, operating cost is very high.
Invention content
In view of the above shortcomings of the prior art, the technical problems to be solved by the invention are：How providing one kind need not penetrate
Stream aeration and biomembrane, simple for process, treatment effect is preferable, advantageously reduces the non-embrane method of kitchen garbage, waste-water of operating cost
Processing method.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions：
A kind of non-membrane treating method of kitchen garbage, waste-water, which is characterized in that include the following steps：
A, the processing system such as lower structure is first obtained：Including being used for suspended matter, vegetable and animals oils and the part COD in waste water
The pretreatment system being removed and the biochemical treatment system for carrying out denitrogenation processing to waste water；The pretreatment system
Including Demulsification and coagulant device；The biochemical treatment system includes the SHARON for being used to carry out short-cut denitrification for being sequentially connected setting
Device, for insoluble hydrolysis of organic matter to be acidified into the hydrolysis acidification device of deliquescent monomer or dimer compound, is used
In the A/O devices and ABFT devices for carrying out biochemical denitrification that carry out denitrification biological denitrogenation；The SHARON devices
Water inlet is connected to the water outlet of the Demulsification and coagulant device；
B, kitchen garbage, waste-water first flows into suspended matter, vegetable and animals oils and the dissolved oxygen in Demulsification and coagulant device removal waste water；
It enters back into SHARON devices to denitrogenate, then flows into hydrolysis acidification device and the larger molecular organics in waste water are resolved into small molecule
Organic matter；It subsequently enters A/O devices to carry out nitrifying/anti-nitration reaction, finally enters after ABFT devices carry out biochemical denitrification and sink
It forms sediment, supernatant outflow.
Further, the pretreatment system further includes the oil partiting precipitation pool for being arranged on the Demulsification and coagulant device front end,
The grid for filtering bulky grain solid contaminant is provided in the oil partiting precipitation pool.
Further, the Demulsification and coagulant device is included for handling the flotation tank of waste water, for storing the broken of demulsifier
Emulsion pond, the flocculation aid pond for the coagulant pond that stores coagulant and for storing flocculation aid；The demulsifier pond, coagulation
Agent pond and flocculation aid pond are connected to the flotation tank by dosing pump respectively, and the gas for stirring is provided in the flotation tank
Agitating device, the gas agitating apparatus is by setting valvular pipeline to be connected to air source.
Further, the SHARON devices include the collecting pit for depositing collection waste water, for nitrify/denitrification removes
SHARON ponds of nitrogen and for the temporary rear reservoir for denitrogenating waste water；It is connected between the collecting pit and the SHARON ponds
For the SHARON intake pumps of water pumping；It is connected between the top in the SHARON ponds and the rear reservoir convenient for supernatant liquid stream
The overflow pipe gone out has the solenoid valve of control overflow pipe break-make on the overflow pipe.
Further, the A/O devices include denitrification pond, nitrification tank and secondary settling tank, the water outlet in the denitrification pond
The water inlet of the nitrification tank is connected to, there is the first refluxing opening for being connected to the denitrification pond on the nitrification tank, it is described
The water outlet of nitrification tank is connected to the secondary settling tank, and the bottom of the secondary settling tank has the second refluxing opening for returned sludge,
Second refluxing opening is connected to the denitrification pond.
Further, the ABFT devices include the ABFT ponds for carrying out biochemical denitrification, for carrying out mud-water separation
Final deposition pool and the clear water reserviors for keeping in the supernatant of final deposition pool, the bottom of the final deposition pool have for sludge reflux
Third refluxing opening, the third refluxing opening are connected to the ABFT ponds, and the upper end of the final deposition pool has for supernatant overflow
Liquid outlet, the liquid outlet is connected to the clear water reserviors.
Further, the ABFT ponds have spaced two anoxic zones and two aerobic zones successively, the anoxic
Net type wide aperture filler is both provided in area and aerobic zone, a large amount of biomembranes and activated sludge zoogloea are attached on the filler；
Third aerator is additionally provided in the aerobic zone.
In conclusion the present invention has without jet-flow aeration and biomembrane, simple for process, treatment effect is preferable, is conducive to
The advantages that reducing operating cost.
Description of the drawings
Fig. 1 is a kind of structure diagram of the non-embrane method processing system of kitchen garbage, waste-water.
Fig. 2 is the structure diagram of pretreatment system in Fig. 1.
Specific embodiment
With reference to embodiment, the present invention is described in further detail.
During specific implementation：As depicted in figs. 1 and 2, the non-embrane method processing system of a kind of kitchen garbage, waste-water, including being used for useless
Pretreatment system 1 that suspended matter, vegetable and animals oils and part COD in water are removed and for being carried out at denitrogenation to waste water
The biochemical treatment system 2 of reason；The pretreatment system 1 includes Demulsification and coagulant device 11；The biochemical treatment system 2 include according to
The SHARON devices 21 for being used to carry out short-cut denitrification of secondary connection setting, for being acidified insoluble hydrolysis of organic matter into dissolving
The monomer of property or the hydrolysis acidification device 22 of dimer compound, for carry out the A/O devices 23 of denitrification biological denitrogenation and
For carrying out the ABFT devices 24 of biochemical denitrification；The water inlet of the SHARON devices 21 is connected to the Demulsification and coagulant device
11 water outlet.
Due to, containing a large amount of (light oil) vegetable oil, animal oil (butter, lard) and suspended matter, giving up in kitchen garbage, waste-water
After water enters Demulsification and coagulant device, oil emulsion and dispersed oil in waste water is made to take off steady, demulsification under the action of demulsifier, is realized
Water-oil separating, then by the effect of coagulant and flocculation aid, in sewage colloidal particle, in the electricity of hydrophily pollutant
With de- steady, cohesion, the flocculation of hydrophobic organic compound and small suspended matter forms macroscopic alumen ustum, is then sunk by gravity
Drop or molten gas, which float, realizes mud-water separation, to remove COD, BOD, SS, coloration, heavy metal element etc. in water removal.By pretreatment
After waste water flows into SHARON devices, the ammonia in water is converted to NO by the nitrococcus in SHARON devices2- N, then directly into
Row denitrification realizes short-cut nitrification and denitrification, reaches and quickly denitrogenates.Waste water after denitrogenating enters hydrolysis acidification device, in anoxic
Environment issues unboiled water solution acidification reaction and macromolecular organic matter difficult to degrade in part is resolved into the degradable organic matter of small molecule, is
Subsequent bio denitrification process provides carbon source, reduces the dosage of carbon source, advantageously reduces cost.Hydrolysis acidification device water outlet is certainly
Flow to A/O devices nitrify/anti-nitration reaction after flow to ABFT devices, the biochemical denitrification in ABFT devices is final up to standard
It is discharged.Above system is without jet-flow aeration and biomembrane, you can reaches wastewater discharge standard, operating cost is relatively low.
During implementation, the pretreatment system 1 further includes the oil partiting precipitation pool for being arranged on 11 front end of Demulsification and coagulant device
12, the grid 121 for filtering bulky grain solid contaminant is provided in the oil partiting precipitation pool 12.
Using the above structure, after kitchen waste water flows into oil partiting precipitation pool, by grid so that grain size is more than grid aperture
Solid contaminant is blocked, wherein comprising a large amount of oil emulsion and dispersed oil, so as to mitigate subsequent Demulsification and coagulant device
Workload, reduce the dosage of demulsifier, coagulant and flocculation aid, reduce cost.
During implementation, the grid is provided with three according to 121 times, and the aperture of grid described in three is gradual along the direction of water inlet
Reduce.
The grid being gradually reduced using three apertures can successively pollute larger, medium and smaller solid-state
Object is filtered, avoid sewage block grid, be conducive to waste water quickly through oil partiting precipitation pool, improve the efficiency of processing.
There is polylith to be mutually parallel spaced deflector 122, the water conservancy diversion during implementation, in the oil partiting precipitation pool 12
One end of plate 122 is fixed on the inner wall of the oil partiting precipitation pool 12, between the inner wall of the other end and the oil partiting precipitation pool 12
It is separated by form flow channels, the flow channels on adjacent two pieces of deflectors are respectively positioned at the deflector length direction
Both sides make to form S-shaped runner in the oil partiting precipitation pool 12.
Using the above structure, longer runner can be formed in the oil partiting precipitation pool of finite length, convenient in waste water
Little particle solid contaminant has time enough to be deposited to bottom of pond, so as to mitigate the live load of grid, reduces grid cleaning more
The frequency changed is conducive to improve the service life of grid.
Also there is the oil baffle 123 laterally set, the oil baffle 123 during implementation, in the oil partiting precipitation pool 12
Upper end be higher by liquid level, lower end is located at below liquid level, and has ebb interval with bottom of pond；The oil baffle 123 is located at described
121 front of grid.
In this way, can stop the floating material of the water surface using oil baffle, mitigate the live load of follow-up grid, reduce grid
The frequency replaced is cleared up, is conducive to improve the service life of grid.
During implementation, the Demulsification and coagulant device 11 is included for handling the flotation tank 111 of waste water, for storing demulsifier
Demulsifier pond 112, the flocculation aid pond 114 for the coagulant pond 113 that stores coagulant and for storing flocculation aid；It is described broken
Emulsion pond 112, coagulant pond 113 and flocculation aid pond 114 are connected to the flotation tank 111, the air supporting by dosing pump respectively
The gas agitating apparatus for stirring is provided in pond 111, the gas agitating apparatus is by setting valvular pipeline to be connected to gas
Source.
Using the above structure, it is possible to added respectively into flotation tank using dosing pump suitable demulsifier, coagulant and
Flocculation aid, while be stirred using gas agitating apparatus, make medicament and the quick hybrid reaction of sewage, form flock.
During implementation, the SHARON devices 21 include the collecting pit 211 for depositing collection waste water, for nitrify/anti-nitre
Eliminate the SHARON ponds 212 of nitrogen and for the temporary rear reservoir 213 for denitrogenating waste water；The collecting pit 211 and the SHARON
The SHARON intake pumps for water pumping are connected between pond 212；The top in the SHARON ponds 212 with it is described after reservoir 213 it
Between be connected with the overflow pipe flowed out convenient for supernatant, the solenoid valve on the overflow pipe with control overflow pipe break-make.
Using the above structure, waste water is collected after demulsification air supporting removes the vegetable and animals oils carried in waste water, suspended matter to receipts
Collect in pond, then running program by SHARON by SHARON intake pumps squeezes into SHARON ponds.In SHARON ponds, certain
PH, temperature, under dissolved oxygen conditions, ammonia is converted to NO by nitrococcus2- N then directly carries out denitrification, realizes short distance nitre
Change denitrification, achieve the purpose that quickly to denitrogenate.In SHARON ponds, organic matter and ammonia nitrogen in waste water will be degraded by microorganisms
It removes (being divided into two stages of nitrification and denitrification), the supernatant after precipitation is flow automatically by solenoid valve time control after entering
Reservoir.
During implementation, temperature sensor and heating unit are additionally provided in the SHARON ponds 212.
Due under conditions of waste water temperature is higher, dissolved oxygen is relatively low, utilizing the different growths of Nitrosomas and nitrifier
Speed by controlling hydraulic detention time, the slower Nitromonas of growth rate is washed away, Nitrosomas is made largely to accumulate, can be with
Make short distance nitration successful operation.In above structure, can by the waste water temperature in the real-time monitoring pool of temperature sensor, and
Waste water can be heated using heating unit, ensure that waste water is maintained in the optimum temperature range of SHARON techniques, improved
The efficiency of nitrification/denitrification for Removing Nitrogen.
During implementation, the heating unit is the vapor heating tube being arranged in the SHARON ponds 212, the vapor
Heating tube is connected to the jet chimney of kitchen garbage fermentation plant by solenoid valve.
Since kitchen garbage, waste-water is mainly derived from kitchen garbage, interior aqueous and rubbish generates during the fermentation in itself
Moisture, and in rubbish fermentation stage, the biogas combustion boiler generation vapor usually generated using fermentation, then it is transported to fermentation
System carries out heating and thermal insulation, improves the efficiency of fermentation.In above structure, using vapor heating tube, it is possible to before making full use of
The vapor generated in continuous technique, improves the energy recovery rate in garbage processing procedure, reduces the cost input of garbage disposal.
During implementation, insulating layer is additionally provided with outside the SHARON ponds 212.
In this way, can prevent the waste water heat in SHARON ponds from distributing too quickly, reduce and heat consumed energy, so as to
Advantageously reduce cost.
During implementation, the first aerator for intermittent aerating is additionally provided in the SHARON ponds 212.
In this way, can have by the waste water in intermittent aerating SHARON ponds always in relatively low dissolved oxygen content
Conducive to the operation of short distance nitration.
During implementation, the A/O devices 23 include denitrification pond 231, nitrification tank 232 and secondary settling tank 233, the denitrification pond
231 water outlet is connected to the water inlet of the nitrification tank 232, has on the nitrification tank 232 and is connected to the denitrification pond
231 the first refluxing opening, the water outlet of the nitrification tank 232 are connected to the secondary settling tank 233, the bottom of the secondary settling tank 233
With the second refluxing opening for returned sludge, second refluxing opening is connected to the denitrification pond 231.
Denitrification pond is anaerobic condition, and water outlet flows automatically to nitrification tank, and a large amount of microorganism (activated sludge) exists in nitrification tank
It is come into full contact in pond with matrix (labile organic compound in waste water etc.), the oxidation of carbonaceous organic material, itrogenous organic substance occurs
Ammonification and the nitrification of ammonia nitrogen.Nitrification tank mixed-liquor return is to denitrification pond, the NO in backflow mixed liquor3- N is in denitrifying bacterium
Effect is lower to carry out anti-nitration reaction as carbon source material using the carbonaceous organic material in raw wastewater in denitrification pond.Secondary settling tank
Nitrification tank is discharged and carries out mud-water separation, base sludge returns to denitrification pond, increases entire A/O biological reaction pools sludge concentration,
Improve nitrification, anti-nitration reaction efficiency.
During implementation, diving mixer is provided in the denitrification pond 231.
In this way, the waste water of inflow and backflow mixed liquor can be sufficiently mixed using blender, convenient for denitrifying bacterium into
Row anti-nitration reaction is conducive to improve the efficiency of processing.
During implementation, the second aerator is provided in the nitrification tank 232.
In this way, the oxygen content in nitrification tank can be increased so that microorganism can fill with the labile organic compound in waste water
Tap is touched, and the nitrification of the oxidation of carbonaceous organic material, the ammonification of itrogenous organic substance and ammonia nitrogen occurs.Improve the efficiency of nitration reaction.
During implementation, the ABFT devices 24 include the ABFT ponds 241 for carrying out biochemical denitrification, for carrying out mud-water separation
Final deposition pool 242 and clear water reserviors 243 for keeping in the supernatant of final deposition pool, the bottom of the final deposition pool 242, which has, to be used for
The third refluxing opening of sludge reflux, the third refluxing opening are connected to the ABFT ponds 241, the upper end tool of the final deposition pool 242
The liquid outlet of supernatant overflow is useful for, the liquid outlet is connected to the clear water reserviors 243.
Using the above structure, final deposition pool, which is discharged ABFT ponds, carries out mud-water separation, and base sludge returns to ABFT ponds front end, increases
Add ABFT ponds sludge concentration, improve nitrification, anti-nitration reaction efficiency；Final deposition pool supernatant is flow in clear water reserviors certainly, is after up to standard
It can arrange outside.
During implementation, the ABFT ponds 241 have spaced two anoxic zones and two aerobic zones successively, the anoxic
Net type wide aperture filler is both provided in area and aerobic zone, a large amount of biomembranes and activated sludge zoogloea are attached on the filler；
Third aerator is additionally provided in the aerobic zone.
Using the above structure, it is in suspended state in water that a large amount of biomembranes and activated sludge zoogloea are attached on filler,
It is aerated in reactor bottom and filler fluid dynamic and reaction oxygen consumption is provided, when sewage is through filler surface biological film, with pollution factor
Abundant mass transfer carries out aerobic degradation and nitration reaction, in anoxic unit, and realizes anti-nitration reaction.
When being detected during specific implementation：
It is taken to sewage plant oil partiting precipitation pool and is discharged with water, which removes the animals and plants carried in waste water through the air supporting that is demulsified
It is collected after oil, suspended matter to SHARON device collecting pits.Waste water is pressed by SHARON intake pumps in SHARON device collecting pits
SHARON operations program squeezes into waste water in SHARON ponds.SHARON devices are by collecting pit, SHARON ponds and rear reservoir three parts
It forms.
In SHARON ponds, under certain pH, temperature, dissolved oxygen conditions, nitrococcus has ammonia very high removal rate, will
Ammonia is converted to NO2-N.SHARON is to control nitrifying process in NO2- N the stages and terminate, then directly carry out denitrification, realization
Short-cut nitrification and denitrification achievees the purpose that quickly to denitrogenate.The SHARON methods of operation are sequencing batch operation mode (SBR operation sides
Formula), in SHARON ponds, the removal that will be degraded by microorganisms of organic matter and ammonia nitrogen in waste water (is divided into nitrification and denitrification two
Stage), the supernatant after precipitation is flow automatically by solenoid valve time control and enters rear reservoir, the waste water in rear reservoir is passed through water
Solution intake pump squeezes into waste water in hydrolysis device.
Hydrolysis device creates certain anaerobic environment to waste water, and hydrolysis acidification reaction occurs, only occurs in this course
Macromolecular organic matter difficult to degrade in part is only resolved into the degradable organic matter of small molecule, is by the primary stage of anaerobism
Subsequent bio denitrification process provides carbon source, reduces the dosage of carbon source.
From A/O devices are flow to, A/O devices are made of denitrification pond, nitrification tank and secondary settling tank three parts for hydrolysis device water outlet.
Denitrification pond is anaerobic condition, interior to be equipped with diving mixer, and water outlet flows automatically to nitrification tank.Aeration is equipped in nitrification tank
System, a large amount of microorganism (activated sludge) come into full contact in pond with matrix (labile organic compound in waste water etc.), occur
The nitrification of the oxidation of carbonaceous organic material, the ammonification of itrogenous organic substance and ammonia nitrogen.Nitrification tank mixed-liquor return is returned to denitrification pond
Flow the NO in mixed liquor3- N is under the action of denitrifying bacterium by the use of the carbonaceous organic material in raw wastewater as carbon source material anti-
Anti-nitration reaction is carried out in nitrification tank.
Secondary settling tank, which is discharged nitrification tank, carries out mud-water separation, and base sludge returns to denitrification pond, and it is anti-to increase entire A/O biologies
Pond sludge concentration is answered, improves nitrification, anti-nitration reaction efficiency；Second pond supernatant is flow in ABFT devices certainly.
ABFT ponds are divided into 4 lattice, are divided into and are followed successively by anoxic zone, aerobic zone, anoxic zone, aerobic zone, are equipped with net type wide aperture and fill out
Material.A large amount of biomembranes and activated sludge zoogloea are attached on filler in water in suspended state, is carried in reactor bottom aeration
For filler fluid dynamic and reaction oxygen consumption, when sewage is through filler surface biological film, with the abundant mass transfer of pollution factor, carry out aerobic
Degradation and nitration reaction in anoxic unit, and realize anti-nitration reaction.
Final deposition pool, which is discharged ABFT ponds, carries out mud-water separation, and base sludge returns to ABFT ponds front end, increases ABFT ponds sludge
Concentration improves nitrification, anti-nitration reaction efficiency；Final deposition pool supernatant can be arranged outside from flowing in clear water reserviors after up to standard.
First, pretreating process：
Since kitchen garbage, waste-water contains in (light oil) vegetable oil, animal oil (butter, lard) and waste water containing a large amount of
Suspended matter must must be demulsified through coagulation air-float, oil emulsion, dispersed oil.Therefore the Wastewater Pretreatment uses Demulsification and coagulant gas
Floating technique and the Wastewater Pretreatment most efficient method.
The dominant mechanism for detaching oil emulsion in waste water is that it is made to lose emulsion stability, is exactly so-called demulsification.Commonization
It is that chemical reagent is added into waste water to learn demulsification method, emulsion is made to take off steady, demulsification by chemical action, realizes water-oil separating
Purpose.
Coagulation is that steady, cohesion is taken off to the charge neutrality of colloidal particle, hydrophily pollutant in sewage, hydrophobic organic compound and
Above-mentioned microcosmic particle is formed macroscopic alumen ustum by the flocculation of small suspended matter, is then floated by gravitational settling or molten gas
Mud-water separation is realized, to remove COD, BOD, SS, coloration, heavy metal element etc. in water removal.Coagulation technology and air supporting or depositing technology
Combination technique it is ripe, high treating effect has very extensive application in field of waste water treatment.
Generally, we will make micelle take off medicament that is steady and agglomerating and be known as coagulant, and the medicine that will promote coagulation effect
Agent is known as flocculant or flocculation aid, and flocculation aid is unable to complete independently coagulation.Common inorganic coagulant has aluminium salt and iron
Salt, such as aluminium polychloride (PAC), polyiron sulfate (PFS), polyaluminium sulfate (PAS), ferric trichloride, organic polymer flocculation
Agent has polyacrylamide (PAM) etc..According to the sub- kitchen garbage factory Sewage Disposal operating condition of existing black stone and engineering experience,
This experiment uses demulsifier as FeCL3, coagulant PAC, flocculation aid is PAM (cationic).
Added amount of chemical is tested
1st, water sample source
This pretreatment coagulation test water sample is derived from the water outlet of kitchen waste sewage treating stations oil separator.Measure the water sample
COD6310mg/L, ammonia nitrogen 1410mg/L, vegetable and animals oils 316mg/L, SS3455mg/L, vegetable and animals oils 415mg/L.
2nd, test medicine
This demulsifier is FeCL3, coagulant PAC, flocculation aid is PAM (cationic).
3rd, test method
Experiment carries out coagulation test research using static beaker experiments to the water sample.1L water samples are taken in beaker, stir water
After sample mixing, demulsifier is put into, after stirring 5min, PAC is added in, PAM is added in after being stirred for 5min, it is slow after quick stirring 2min
Speed stirring 10min after standing 30min, takes supernatant survey COD, SS, vegetable and animals oils to be analyzed, passes through the removal rate of each index
To determine medicament optimum dosage.
4th, orthogonal test
(1) selection of factor：Pass through single factor experiment, it has been found that demulsifier dosage, PAC are thrown in numerous influence factors
Dosage and PAM dosages influence flocculating effect important, therefore it is three factors for orthogonal test that this experiment, which is chosen above-mentioned,
The factor.
(2) horizontal selection：To the respectively horizontal selection of above three factor, the level according to each factor of single factor experiment
3 are chosen to be, makes horizontal adding of agent range when covering existing project treatment kitchen waste water as possible.
(3) factor level table：Above three factor is selected in this experiment, and each factor selectes 3 levels, carries out orthogonal examination
It tests, factor level table is shown in Table 4-1.
(4) test evaluation index：The coagulating treatment effectiveness indicator of this experiment is COD removal rates, SS removal rates and animals and plants
Oily removal rate.
Table 4-1 orthogonal tests factor and water-glass
5th, result of the test
Demulsifier, PAC and the orthogonal coagulation test results of PAM and according to result of the test carry out intuitive analysis result be shown in Table 4-
2 and 4-3.
Table 4-2 orthogonal experiments
The intuitive analysis result tables of table 4-3
By R values very poor in table 4-3 it is found that preferably horizontal selection is obviously A3B2C3, i.e. FeCL3Optimum dosage is
2g/L, coagulant PAC optimum dosage are 1g/L, and it is 0.1g/L that flocculation aid PAM optimum dosages, which are PAM,.
6th, air supporting test method
(1) Qing Dynasty's water is inscribed in air-floating apparatus, opens air-floating apparatus, adjustment air-floating apparatus is in best molten gaseity.
(2) open intake pump (water intaking from oil separator be discharged), dosing pump (including demulsifier dosing pump, PAC dosing pumps and
PAM dosing pumps), adjustment inflow maintains 1m3/ h or so, while adjustment demulsifier FeCL respectively3Dosage is 2g/L, coagulation
Agent PAC dosages are 1g/L, and flocculation aid PAM dosages are 0.1g/L.Gas agitating valve is adjusted simultaneously, ensures medicament and sewage
Quick hybrid reaction, but should not be too large, the flco generated is avoided to be stirred scattered.
(3) treat that air-floating apparatus is stable, about after half an hour, the clear water being previously joined has substantially flowed out, and takes into coagulation
Raw water is discharged monitoring data with air supporting before device.
Table 4-4 is Demulsification and coagulant air-floating apparatus under the identical operating mode of different periods to the removal situation of COD, SS, animals and plants.
Table 4-4 Demulsification and coagulant air supporting pilot scale monitoring data
In experiment, air supporting water outlet becomes mud color, grainless suspended matter by former black.From table 4-4 to see, demulsification,
Coagulation air-float is 10.12~14.47% to the removal rate of COD, and removal effect is more stable, average removal rate 12.35%；
Removal rate to SS is 96.99~98.5%, average removal rate 97.72%；To the removal rates of vegetable and animals oils for 84.66~
93.2%th, average removal rate 91.68%.
Air-floating apparatus FeCL3Dosage is 2g/L, and coagulant PAC dosages are 1g/L, and flocculation aid PAM dosages are
0.1g/L。FeCL3By 4 yuan/kg, PAC presses 2.5 yuan/kg, and PAM presses 15 yuan/kg, coagulation air-float treatment agent cost for 12 yuan/
m3。
Pilot scale pretreatment section installed power 2.59kw, runs 4h daily, and daily power consumption is 9kwh (air supporting air compressor machine intervals
Operation).Based on 0.8 yuan/kwh, the electricity charge of pretreatment section unit are 1.44 yuan/m for the electricity charge3.Pretreatment section total operating cost is
13.44 member/m3。
After demulsification, coagulation air-float, turbidity of wastewater is obviously improved, and SS and vegetable and animals oils have substantially achieved discharge standard.
For kitchen garbage, waste-water, it is the feasible of row that Demulsification and coagulant air-float technology is used after oil removal.
2nd, biochemical processing process
1) SHARON techniques
SHARON techniques are based on the ammoxidation reaction caused by nitrite bacteria and the nitrite caused by denitrifying bacteria
Reduction reaction and the short-cut denitrification technique developed.For biological denitrificaion, " the NO in nitrifying process2To NO3" it is more than one section
The distance walked, it is saved from technique can equally realize denitrogenation of waste water.According to this thought, Dutch Delft polytechnical universities in
It is proposed and successfully develop SAHRON techniques within 1997.
SHARON techniques are typically characterised by：
(1) short distance nitration is placed in a reactor with short-cut denitrification and implements, and technological process is shorter；
(2) structure of reactor is simple；
(3) operation temperature is higher (30~400C), and treatment effect is preferable；
(4) regulate and control acid-base value by means of denitrification, without adding alkali neutralization.
The Microbiological Principle of short-cut nitrification technology be mainly using nitrite bacteria and nitrobacteria substrate specificity,
The difference according to lazyness etc. of substrate concentration is realized in doubling time otherness, growth.The anti-nitre of SHARON short distance nitrations
Change has the following advantages compared with complete nitrification and denitrification：
(1) two stages of nitrification and denitrification complete in same reactor, can be with simple flow；
(2) acidity that nitrification generates can partly have the alkali neutralization that denitrification generates；
(3) hydraulic detention time (HRT) can be shortened, reduce reactor volume and floor space；
(4) additional carbon of denitrification process needs, by taking methanol as an example, NO can be saved2-Denitrification compares NO3-Denitrification
Carbon source 40% can be saved；
(5) air demand 25% or so can be saved, saves power consumption；
(6) sludge quantity reduces 50%.
Therefore, SHARON short distance nitrations have significant advantage for the denitrogenation of waste water processing of low-carbon high-nitrogen.
The key for realizing short distance nitration is to realize NO in the nitrification stage2The accumulation of-N, the operation temperatures of SHARON techniques with
30~35oC is advisable, and pH value controls the inhibition range of Nitrosomas according to free ammonia, Dissolved Oxygen concentration Control 1.0~
1.5mg/L ranges support mode to use intermittent aerating.The concentration of free ammonia regulation and control are conducive in the range of 5~10mg/L in matrix
Realize short distance nitration, sludge is using (being counted using VSS) ammonia load as 0.02~0.07kg/ (kg.d), and sludge age was at 1~2.5 day.Largely
Experiment show under the conditions of waste water temperature is higher, DO is relatively low, using Nitrosomas and the different speeds of growth of nitrifier, lead to
Control hydraulic detention time is crossed, the slower Nitromonas of growth rate is washed away, Nitrosomas is made largely to accumulate, short distance can be made
Nitrify successful operation.
Short-cut nitrification technology is also mostly in the laboratory research stage at present, is applied to extensive running example and is not much,
Kitchen garbage, waste-water is especially applied to, in SHARON techniques, temperature and dissolved oxygen (DO) are strictly controlled.Utilize this
The Liang Zuo wastewater biological denitrificaions treatment plant of patent technique builds up in Holland, it was demonstrated that short distance nitration-denitrifying feasibility.
But the characteristics of this technology utilization digested sludge digestive juice self-temperature is higher realizes short distance nitration, this is for most of municipal administrations
As having little significance for engineering, because a large amount of water will heat up, keep the temperature and be difficult to realize at 30~40 DEG C.But it intakes for itself
The higher high ammonia-nitrogen wastewater biological denitrificaion processing of temperature has important realistic meaning, and (biogas slurry uses hot fermentation, fermentation tank discharge
Biogas slurry temperature is at 50 DEG C or so).
This experiment SHARON methods carry out in a simple oxygenic reaction device, using similar UBR sequencing batch operation modes,
It is divided into the period treatment mode that aeration nitrification, anoxic denitrification, precipitation, row's 4 steps of supernatant are formed.
2) hydrolysis acidification technique
Hydrolysis acidification is the biodegradation process under facultative conditions, some complicated insoluble organic matters are (including poly-
Close object) simple deliquescent monomer or dimer compound are converted into Hydrolysis Acidification, such as starch in water body quilt
Glucose is hydrolyzed to, protein is hydrolyzed to dipeptides or amino acid etc..Hydrolysis occur after, the polarity of organic molecule and
Solubility etc. can all change, and have good facilitation to subsequent biochemical treatment, while Hydrolysis Acidification is to COD
Also there is certain removal rate.
This experiment hydrolysis acidification total hrt is 52h, and continuous operation carries out under conditions of anoxic.
3) A/O nitration denitrifications technique
The denitrification reactor of anoxic is arranged on aerobic reactor by A/O methods (anaerobic-aerobic activated sludge process) flow
Front, therefore " forward type denitrification biological denitrogenation system " is commonly referred to as, when waste water needs organics removal and denitrogenation simultaneously
When, which is using a kind of more classical technique in Practical Project.
Denitrification refers to that under anaerobic or hypoxia condition nitric nitrogen, nitrite nitrogen are converted by micro-reduction
For molecular nitrogen (N2) process.The microorganism for participating in this effect is denitrifying bacteria, this is that the facultative of a kind of heterotroph is detested
Oxygen bacterium, their under conditions of anoxic (DO be less than 0.5mg/L) are electron donor using organic carbon source, N03-- N is as electricity
Sub- receptor, carries out denitrification while degradation of organic substances, reaction process can tabular form be：
NO2 -+ 3H (electron donor) → 0.5N2+H2O+OH-
NO3 -+ 5H (electron donor) → 0.5N2+H2O+OH-
Denitrification process may be summarized to be：
NO3-→NO2-→NO→N2O→N2
A/O methods are mainly characterized by denitrification reactor (anoxic pond) and are arranged on the front end of flow, and remove COD, carry out nitre
The synthesis aerobic reactor (aerobic tank) for changing reaction is then arranged on the rear end of flow, and raw sewage sequentially enters anoxic pond and aerobic
Pond and sedimentation basin, while by the sludge reflux of the mixed liquor of aerobic tank and sedimentation basin to anoxic pond, therefore, realizing anti-nitre
It can utilize the organic matter in raw sewage that will be back to contain from aerobic reactor directly as organic carbon source when changing reaction
There is the nitrate denitrification in the mixed liquor of nitrate to become nitrogen.It is produced in denitrification reactor due to anti-nitration reaction
Raw basicity can compensate a half left side for required consumption basicity during nitration reaction with water outlet into aerobic nitrification reactor
It is right.Aerobic nitrator is arranged on the rear end of flow, and the remaining organic matter of denitrification process can also be enable further
Removal.
4) ABFT techniques
Aeration biological fluidization pool Aerationbiologicalfluidizedtank (abbreviation ABFT) technique is in recent years emerging
A kind of biochemical process denitrogenation sewage disposal technology.The process synthesis medium fluidization, absorption and Biochemical processes, fortune
It is complex in row mechanism, but operational management is convenient, easy to operate.Particularly physical-chemical process is combined with bioanalysis, simultaneously
The strong point of activated sludge process, biofilm and immobilized microorganism technique is taken into account, therefore increasingly by field of water treatment
Pay attention to.
Efficient micro- life of aeration tank dischargeable capacity 40%~60% is accounted for by being added in aeration biological fluidization pool (ABFT)
Object carrier makes microorganism largely adhere to and be fixed thereon, and ABFT techniques are actually comprehensive traditional activated sludge process and biology
Double bioreactor effluent treatment process of embrane method advantage.In ABFT ponds at different levels, by cultivating different special efficacy dominant bacterias step by step
Kind improves the degradation effect of target contaminant；On carrier, the microorganism after absorption is not easy to take off microorganism adsorption after surviving
It falls and is lost in, the biomass of high load ensure that the high efficiency and stability of ABFT techniques removal pollutant.
Process characteristic
As a kind of Novel sewage treatment process efficiently, stable, ABFT has the characteristics that：
(1) denitrification effect is good.Microorganism adsorption is on carrier, and under aerobic condition, carrier surface is attached with more nitre
Change bacterium, while under anoxia condition, carrier surface is attached with more denitrifying bacterium, sludge age is all up 60 days or more, is had good
Good denitrification effect.
(2) processing load is high, floor space is small.
(3) classification is handled.In ABFT technique Pool body designs often based on small lattice multistage.With passing for water pollutant concentration
Subtract, convenient for the microorganism dominant microflora in different pond In vivo cultures suitable for the pool environment, while convenient for its external environment into
Row adjustment and control, improve treatment effeciency.
(4) modularization management.When production technology is limited by seasonality or follow-up equipment maintenance needs to stop, can inciting somebody to action
ABFT biochemical process suspend mode, to reduce operating cost；When reusing, ABFT can start rapidly in the biochemical system short time.
(5) sludge bulking is not generated, sludge yield is small.Microorganism on bio-carrier removes fungi, der Pilz and zoogloea
Outside, also there are many protozoans and metazoa of predation bacterium, form stable food chain, thus the sludge quantity generated
Small, not long-living sludge bulking is easily managed.
(6) effluent quality is good and stablizes.Compared with the techniques such as contact oxidation method, biofilm, BAF, ABFT process operations
Stablize, effluent quality is good and stablizes.Especially suitable for the processing of industrial wastewater and the advanced treatment process of Treated sewage reusing.
(7) it is low-cost.Compared with traditional handicraft, investment cost and operating cost are low.
3rd, the biochemical treatment method of operation
For ease of quickly carrying out pilot scale research, pilot-plant pilot scale sludge is taken to the sub- kitchen waste sewage treating stations of black stone,
Wherein SHARON apparatus sewage sludges are taken to sewage plant MBR nitrification tanks, and hydrolysis device sludge is taken to sewage plant hydrolytic decomposition pot, A/O devices with
ABFT apparatus sewage sludges are also taken to sewage plant MBR nitrification tanks.Corresponding pilot-plant is squeezed into using immersible pump connection DN20 rubber hose
It is interior, and fill corresponding pilot-plant.
By pilot scale scheme correlation operating parameter, fast quick-recovery biochemical treatment apparatus oepration at full load.Theoretically, A/O devices
Mixed-liquor return (interior reflux) increases, and denitrification effect improves, but internal reflux ratio is excessive and can influence anoxic pond microorganism species
Growth.According to the sub- kitchen waste sewage treating stations practical operating experiences of black stone, this stage pilot scale internal reflux ratio is 8 times；Sludge returns
Stream (exteenal reflux) i.e. mixed liquor is back to anaerobic pond from aerobic tank and carries out anaerobic phosphorus release, to achieve the effect that dephosphorization, ensures simultaneously
The concentration of activated sludge in biological tank, external reflux ratio are 2 times, debugging initial stage not spoil disposal.ABFT reflux pump intermittent duties, from the 4th
Lattice aerobic zone is back to the 1st lattice anoxic zone, and reflux ratio is 2 times.Wind turbine 24 hour operation is adjusted to suitable air quantity, and extra air quantity is put
It is empty.
A/O devices keep O pond pH to maintain more than 6.5 by adding alkali piece；According to the influent concentration COD/ of A/O devices
NH3The ratio of-N determines that A ponds add carbon source amount, and carbon source is solid-state glucose, adds the influent concentration of A/O devices after carbon source
COD/NH3The ratio of-N is maintained at more than 5.SHARON devices are in technique front end carbon source and alkaloid abundance, do not add carbon
Source and alkali piece；It is more sufficient into ABFT devices COD after A/O devices add carbon source, carbon source and alkali piece are not added yet.
Water is stepped up to 5m3After/d, start to carry out water quality monitoring to each processing unit Inlet and outlet water, determine feasible process
Property.
Pilot-plant oepration at full load one and a half months, each device is to COD, ammonia nitrogen, nitrogen removal rate situation, to determine processing
The feasibility of each device of the waste water.
1) SHARON devices
SHARON devices are shown in Table 5-1 to the removal rate of COD, ammonia nitrogen, total nitrogen.
5-1SHARON device removal rates
From table 5-1 to see, SHARON devices are 30.57% to COD average removal rates, are to ammonia nitrogen average removal rate
24.89%, it is 29.84% to total nitrogen average removal rate.
2) hydrolysis device
Hydrolysis device is shown in Table 5-2 to the removal rate of COD, ammonia nitrogen, total nitrogen.
5-2 hydrolysis device removal rates
From table 5-2 to see, hydrolysis device is 26.36% to COD average removal rates, is to ammonia nitrogen average removal rate
5.57%, it is 0.40% to total nitrogen average removal rate.
3) A/O devices
A/O devices are shown in Table 5-3 to the removal rate of COD, ammonia nitrogen, total nitrogen.
5-3A/O device removal rates
Note：A/O devices influent COD is the COD value for not adding carbon source, is discharged to have added carbon source COD value.
From table 5-3 to see, A/O devices are 51.91% (not being included in input carbon source removal rate) to COD average removal rates,
It is 84.38% to ammonia nitrogen average removal rate, is 58.26% to total nitrogen average removal rate.Carbon source (solid-state glucose) is average daily
Dosage is 16.8kg, and alkali piece (additional nitration basicity) is averaged daily dosage as 5.6kg.
4) ABFT devices
ABFT devices are shown in Table 5-4 to the removal rate of COD, ammonia nitrogen, total nitrogen.
5-4ABFT device removal rates
From table 5-4 to see, ABFT devices are 74.52% to COD average removal rates, are to ammonia nitrogen average removal rate
76.58%, it is 14.45% to total nitrogen average removal rate.
(daily processing capacity reaches 5m for pilot-plant oepration at full load3/ d) after, in the monitoring in time 6 of one and a half months
Group data, are analyzed for each device removal effect feasibility of the kitchen garbage, waste-water.
It is analyzed by final outflow water, COD mean concentrations are 314mg/L, and monitoring data are all up to standard；Ammonia nitrogen mean concentration is
26mg/L, monitoring data are all up to standard；Total average nitrogen concentration is 412mg/L, and total nitrogen water outlet is higher.It gives up for the kitchen garbage
Water can make COD, ammonia nitrogen standard operation using the technique substantially.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of non-membrane treating method of kitchen garbage, waste-water, which is characterized in that include the following steps：
A, the processing system such as lower structure is first obtained：Including being used to carry out suspended matter, vegetable and animals oils and the part COD in waste water
The pretreatment system of removal（1）And the biochemical treatment system for carrying out denitrogenation processing to waste water（2）；The pretreatment system
System（1）Including Demulsification and coagulant device（11）；The biochemical treatment system（2）Including being sequentially connected being taken off for carrying out short distance for setting
The SHARON devices of nitrogen（21）, for being acidified insoluble hydrolysis of organic matter into deliquescent monomer or the water of dimer compound
Solve acidizing device（22）, A/O devices for carrying out denitrification biological denitrogenation（23）And the ABFT for carrying out biochemical denitrification
Device（24）；The SHARON devices（21）Water inlet be connected to the Demulsification and coagulant device（11）Water outlet；
B, kitchen garbage, waste-water first flows into suspended matter, vegetable and animals oils and the dissolved oxygen in Demulsification and coagulant device removal waste water；Again into
Enter SHARON devices to denitrogenate, then flowing into hydrolysis acidification device, that the larger molecular organics in waste water are resolved into small molecule is organic
Object；It subsequently enters A/O devices to carry out nitrifying/anti-nitration reaction, finally enters after ABFT devices carry out biochemical denitrification and precipitate, supernatant
Liquid stream goes out.
2. the non-membrane treating method of kitchen garbage, waste-water as described in claim 1, which is characterized in that described in the step A
Pretreatment system（1）It further includes and is arranged on the Demulsification and coagulant device（11）The oil partiting precipitation pool of front end（12）, the oil removal sinks
Shallow lake pond（12）Inside it is provided with the grid for filtering bulky grain solid contaminant（121）.
3. the non-membrane treating method of kitchen garbage, waste-water as described in claim 1, which is characterized in that described in the step A
Demulsification and coagulant device（11）Flotation tank including being used to handle waste water（111）, demulsifier pond for storing demulsifier（112）、
For storing the coagulant pond of coagulant（113）With for storing the flocculation aid pond of flocculation aid（114）；The demulsifier pond
（112）, coagulant pond（113）With flocculation aid pond（114）The flotation tank is connected to by dosing pump respectively（111）, the gas
Floating pond（111）The gas agitating apparatus for stirring is inside provided with, the gas agitating apparatus is by setting valvular pipeline to connect
To air source.
4. the non-membrane treating method of kitchen garbage, waste-water as described in claim 1, which is characterized in that described in the step A
SHARON devices（21）Collecting pit including being used to deposit collection waste water（211）, for nitrify/SHARON the ponds of denitrification for Removing Nitrogen
（212）And for the temporary rear reservoir for denitrogenating waste water（213）；The collecting pit（211）With the SHARON ponds（212）Between
It is connected with the SHARON intake pumps for water pumping；The SHARON ponds（212）Top with it is described after reservoir（213）Between connect
There is the overflow pipe convenient for supernatant outflow, there is the solenoid valve of control overflow pipe break-make on the overflow pipe.
5. the non-membrane treating method of kitchen garbage, waste-water as described in claim 1, which is characterized in that described in the step A
A/O devices（23）Including denitrification pond（231）, nitrification tank（232）And secondary settling tank（233）, the denitrification pond（231）Water outlet
Mouth is connected to the nitrification tank（232）Water inlet, the nitrification tank（232）Above have and be connected to the denitrification pond（231）
The first refluxing opening, the nitrification tank（232）Water outlet be connected to the secondary settling tank（233）, the secondary settling tank（233）Bottom
Portion has the second refluxing opening for returned sludge, and second refluxing opening is connected to the denitrification pond（231）.
6. the non-membrane treating method of kitchen garbage, waste-water as claimed in claim 5, which is characterized in that described in the step A
ABFT devices（24）ABFT ponds including being used to carry out biochemical denitrification（241）, for carrying out the final deposition pool of mud-water separation（242）With
And the clear water reserviors for keeping in the supernatant of final deposition pool（243）, the final deposition pool（242）Bottom have for sludge reflux
Third refluxing opening, the third refluxing opening are connected to the ABFT ponds（241）, the final deposition pool（242）Upper end have be used for
The liquid outlet of supernatant overflow, the liquid outlet are connected to the clear water reserviors（243）.
7. the non-membrane treating method of kitchen garbage, waste-water as claimed in claim 6, which is characterized in that described in the step A
ABFT ponds（241）With spaced two anoxic zones and two aerobic zones successively, it is all provided in the anoxic zone and aerobic zone
Net type wide aperture filler is equipped with, a large amount of biomembranes and activated sludge zoogloea are attached on the filler；It is also set in the aerobic zone
It is equipped with third aerator.
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