CN105645683B - The life in the countryside that structured packing is strengthened and restaurant wastewater treatment device and its method - Google Patents
The life in the countryside that structured packing is strengthened and restaurant wastewater treatment device and its method Download PDFInfo
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- CN105645683B CN105645683B CN201610017887.4A CN201610017887A CN105645683B CN 105645683 B CN105645683 B CN 105645683B CN 201610017887 A CN201610017887 A CN 201610017887A CN 105645683 B CN105645683 B CN 105645683B
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/343—Biological treatment of water, waste water, or sewage characterised by the microorganisms used for digestion of grease, fat, oil
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
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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
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
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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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- 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
- C02F3/308—Biological phosphorus removal
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses the life in the countryside that a kind of structured packing is strengthened and restaurant wastewater treatment device and its method.The device includes grease removal tank, anaerobic pond, anoxic pond, Aerobic Pond, aerobic backflow pool and the sedimentation basin being sequentially connected, and water inlet is provided with the grease removal tank, suspension oil suction filler is provided with grease removal tank；The anaerobic pond, anoxic pond, biologic packing material is respectively equipped with Aerobic Pond；Mozzle is equipped between grease removal tank and anaerobic pond and between anoxic pond and Aerobic Pond；Aeration branch pipe in wherein aerobic backflow pool is provided with aeration head, sets lifting pipe above aeration head, lifting pipe tube wall is connected by return duct with anoxic pond, and sewage backflow is realized by stripping reflux mode；The present invention is on total arrangement using the handling process of integration, the advantages of with construction is simple, reduced investment, there is higher disposal ability again simultaneously, more than 75% total nitrogen can be realized, more than 65% total phosphorus ligands and more than 90% COD degradation, it is especially suitable for the decentralized processing of domestic sewage in rural areas.
Description
Technical field
The present invention relates to a kind of sewage disposal device, life in the countryside and food and drink waste water that specially a kind of structured packing is strengthened
Processing unit and its method.
Background technology
In recent years, with the lifting at full speed of rural areas in our country economy and Living consumption, country sewage discharge capacity is not
Disconnected increase, most rural areas are generally off-site from urban sewage urban pipe network, and the sewage of discharge is directly discharged into after septic tank is handled
Close on water body and seriously pollute water environment, especially nitrogen and phosphorus pollution effectively causes body eutrophication.
At present, technology for treating domestic sewage in rural area has：Land treatment system, artificial marsh sewage treatment system, biology connect
The technology such as oxidation trough, ecological pond sewage disposal system, soil filtration sewage disposal system is touched, there is that floor space is big, safeguards not
Conveniently, the problems such as winter operation effect difference, rural environment renovating effect has been had a strong impact on.
In existing technology for treating domestic sewage in rural area, integrated sewage treating apparatus exist floor space it is small, automation
The advantages that degree is higher, management is convenient, the duration is shorter, but there is also many problems for the technology at present.Subject matter is due to setting
Follow-up carbon-nitrogen ratio can be influenceed so as to influence removal effect after putting grease removal tank so that no in integrated apparatus to be directed to life in the countryside
The characteristics of Oil in Sewage Water is dirty more and grease removal tank is specially set, COD removal effects are undesirable；And biological treatment efficiency is relatively low,
It is very low especially to show as removal efficiency of nitrogen and phosphorus, and nitrogen and phosphorus pollution is the main reason for causing body eutrophication.
The content of the invention
The purpose of the present invention be that to solve the above problems and provide a kind of life in the countryside that structured packing strengthens with
Restaurant wastewater treatment device and its method.Concrete technical scheme is as follows：
The life in the countryside and restaurant wastewater treatment device that a kind of structured packing is strengthened, including be sequentially connected grease removal tank, detest
Oxygen pond, anoxic pond, Aerobic Pond, aerobic backflow pool and sedimentation basin, water inlet is provided with the grease removal tank, is provided with grease removal tank outstanding
Floating oil suction filler；The anaerobic pond, anoxic pond, biologic packing material is respectively equipped with Aerobic Pond；Between grease removal tank and anaerobic pond with
And mozzle is equipped between anoxic pond and Aerobic Pond, aeration supervisor and aeration are equipped with the Aerobic Pond and aerobic backflow pool
Branch pipe, wherein the aeration branch pipe in aerobic backflow pool is provided with aeration head, lifting pipe, lifting pipe body side are set above aeration head
Wall is connected by return duct with anoxic pond, and sewage backflow is realized by stripping reflux mode；At the top of Aerobic Pond and aerobic backflow pool
Provided with gas outlet；A delivery port is connected in sedimentation basin upper right side.
Preferably, described bottom of the tube of pumping up water is covered in above aeration head by extension mouth；Aerobic backflow pool and sedimentation basin
Between intake by top, but the lower partition between two pond bodies vacantly connects both bottoms, and sedimentation basin bottom sets oblique
Plate, and swash plate extreme lower position is near the hanging place of the lower partition, the sludge of precipitation is entered lifting pipe bottom by the lower partition
Portion's extension mouth so that partial sludge leads to stripping reflux in the case where not setting mud return line and sludge reflux pump in addition
Mode is back in anoxic pond via lifting pipe and return duct, has both avoided reflux pump so as to save the energy, and strengthened denitrification
Dephosphorization treatment effect aggrandizement apparatus sewage treating efficiency.
Preferably, the biologic packing material in described anaerobic pond, anoxic pond, Aerobic Pond is respectively bamboo filler, polyurethane
Class filler and foamed glass.Bamboo filler is the spherical shape of bamboo, is easy to bio-film colonization, the organic matter that can preferably go in water removal and portion
Divide nitrogen phosphorus and release phosphorus beneficial to polyP bacteria；Foamed glass has porosity big, can preferable adsorption of nitrogen phosphorus not the advantages that easy to knot groups.
Synergy effect be present in three kinds of bamboo filler, polyurethanes filler and foamed glass fillers, be greatly improved COD and nitrogen phosphorus
Clearance.
Preferably, described suspension oil suction filler is the combined stuffing of foamed glass and complex micro organism fungicide.Suspend
Grease type larger molecular organicses can be degraded to small organic molecule by oil suction filler, neither influence follow-up carbon-nitrogen ratio, mitigate again
Mitigation follow-up link pollutant burden.
Further, described complex micro organism fungicide is by percent by volume：10%~30% Pseudomonas cepacia,
10%~30% micrococcus luteus, 10%~20% bacillus licheniformis, 10%~20% bacillus amyloliquefaciens, 10%~
20% expansion Penicillium notatum, 10%~20% solution fat Asia sieve yeast compounding composition complex micro organism fungicide, foamed glass is made
For carrier, it is put into the nutrient solution containing complex micro organism fungicide and carries out biofilm, so as to obtains described combined stuffing.It is existing
Life in the countryside is due to that can influence follow-up carbon-nitrogen ratio after setting grease removal tank so as to influence to remove effect with food and drink waste water subject matter
Fruit so that grease removal tank is specially set without the characteristics of greasy dirt is more in domestic sewage in rural areas is directed in integrated apparatus, COD is gone
Except effect is undesirable；And biological treatment efficiency is relatively low, it is very low especially to show as removal efficiency of nitrogen and phosphorus, and nitrogen and phosphorus pollution is to cause water
The main reason for body eutrophication.But the grease removal tank in the present invention is not directly to remove grease, but utilize suspension oil suction
The cooperative effect of the complex micro organism fungicide adhered in filler, it is that small molecule is organic by a large amount of grease type organic macromolecules degradations
Thing.Therefore, after the processing, follow-up link pollutant burden can be mitigated on the premise of follow-up carbon-nitrogen ratio is not influenceed,
Improve degradability.
Based on said apparatus, the invention also discloses a kind of life in the countryside using described device and food and drink waste water processing work
Skill, step are as follows：
1) domestic sewage in rural areas enters integrated apparatus by way of natural stream, is entered by water inlet from upper end remove first
Oil sump, hydraulic detention time are about 3~5h, by big gauging under the complex micro organism fungicide effect adhered in suspension oil suction filler
Lipid organic matter macromolecules degradation is small organic molecule, and it is dirty to mitigate follow-up link on the premise of follow-up carbon-nitrogen ratio is not influenceed
Contaminate thing load；
2) the oblique mozzle that the waste water after handling is about 60 degree by the gradient enters anaerobic pond, hydraulic detention time 1
~3h, during which using the bamboo filler for hanging with anaerobe film set in anaerobic pond, the organic matter gone in water removal and part
Nitrogen phosphorus and release phosphorus beneficial to polyP bacteria；Sewage enters anoxic pond from anaerobic pond lower end afterwards, and hydraulic detention time is about 2~5h,
Denitrogenation is realized while dirty Organic substance in water is carried out and further removed in anoxic pond；The water outlet of anoxic pond flows into aerobic from lower end
Pond, hydraulic detention time are about 6~10h, and foamed glass is set in Aerobic Pond, can further adsorption of nitrogen phosphorus；Sewage enters afterwards
Aerobic backflow pool, sewage and sludge after nitration reaction enter lifting pipe by stripping reflux mode under aeration and return duct returns
It flow in anoxic pond and carries out anti-nitration reaction, aeration quantity 1.2L/min, design reflux ratio is 2.5:1；
3) sewage after final process enters sedimentation basin from upper end, and hydraulic detention time is about 2~5h, and the sludge of precipitation leads to
Cross the lower partition and enter the bottom of the tube extension mouth that pumps up water, lifting pipe is entered by stripping reflux mode under aeration and return duct flows back
Into anoxic pond, sludge reflux is realized；Supernatant after precipitation is then discharged from delivery port.
The present invention, using the handling process of integration, has the advantages of construction is simple, reduced investment, simultaneously on total arrangement
There is higher disposal ability again, it is possible to achieve more than 75% total nitrogen, more than 65% total phosphorus ligands and more than 90% COD
Degraded.The system realizes that muddy water flows back in processing procedure by stripping reflux mode, avoids and sets return duct and reflux pump,
So that the system needs only provide for microkinetic, have processing and operating cost low, run the advantages that simple to operate, it is very suitable
Close the decentralized processing of domestic sewage in rural areas.
Brief description of the drawings
Fig. 1 is the structural representation of the life in the countryside that a kind of structured packing is strengthened and restaurant wastewater treatment device；
Fig. 2 is aeration supervisor and the aeration branch pipe connection diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, life in the countryside and the restaurant wastewater treatment device of a kind of structured packing reinforcing, including be sequentially connected
Grease removal tank 3, anaerobic pond 4, anoxic pond 6, Aerobic Pond 7, aerobic backflow pool 8 and sedimentation basin 9, water inlet is provided with the grease removal tank
1, grease removal tank 3 is interior to be provided with suspension oil suction filler 2；The anaerobic pond 4, anoxic pond 6, biologic packing material 5 is respectively equipped with Aerobic Pond 7；
Mozzle 17 is equipped between grease removal tank 3 and anaerobic pond 4 and between anoxic pond 6 and Aerobic Pond 7, the Aerobic Pond 7 is become reconciled
Aeration supervisor 12 and the aeration branch pipe 16 of connection are equipped with oxygen backflow pool 8, wherein on the aeration branch pipe 16 in aerobic backflow pool 8
Provided with aeration head 10, the top of aeration head 10 sets lifting pipe 11, and the tube wall of lifting pipe 11 passes through return duct 13 and the phase of anoxic pond 6
Even, sewage backflow is realized by stripping reflux mode；Aerobic Pond 7 and the top of aerobic backflow pool 8 are provided with gas outlet 18；In sedimentation basin
9 upper right side connect a delivery port 14.
The bottom of lifting pipe 11 covers in the top of aeration head 10 by extension mouth；By upper between aerobic backflow pool 8 and sedimentation basin 9
Portion intakes, but the bottom of dividing plate 15 between two pond bodies vacantly connects both bottoms, and the bottom of sedimentation basin 9 sets swash plate, and tiltedly
Plate extreme lower position is near the hanging place in the bottom of dividing plate 15, the sludge of precipitation is entered the bottom of lifting pipe 11 by the bottom of dividing plate 15
Extension mouth.
Biologic packing material 5 in anaerobic pond 4, anoxic pond 6, Aerobic Pond 7 is respectively bamboo filler, polyurethanes filler and foaming
Glass.The preparation method of wherein foamed glass is：Powder batch will be obtained after each raw material of powder batch uniformly mixing；Will
Batch is fitted into mould, is burnt till according to following firing temperature：400-500 DEG C is warming up to 10-15 DEG C/min heating rate,
It is incubated 20-30min；1000-1100 DEG C is warming up to 10-15 DEG C/min heating rate again, is incubated 10-20min；Then with
20-25 DEG C/min rate of temperature fall is cooled to 850-900 DEG C, finally naturally cools to normal temperature, obtains the water treating suspended formula and fills out
Material, i.e. foamed glass.
Each material composition and mass fraction of wherein powder batch are divided into two schemes：
Scheme one：
Glass powder：16-20 parts；
Marble dust：1-3 parts；
Scheme two：
Glass powder：16-20 parts；
Marble dust：1-3 parts；
Zeolite powder：2-4 parts；
Wherein glass powder, marble dust and zeolite powder are powder more than 200 mesh.
Suspension oil suction filler 2 is the combined stuffing of above-mentioned foamed glass and complex micro organism fungicide.Described composite microbial
Thing microbial inoculum is by percent by volume：10%~30% Pseudomonas cepacia, 10%~30% micrococcus luteus, 10%~20%
Bacillus licheniformis, 10%~20% bacillus amyloliquefaciens, 10%~20% expansion Penicillium notatum, 10%~20% solution
Fat Asia sieve yeast compounding composition complex micro organism fungicide.The preparation method of combined stuffing is：Using foamed glass as carrier, it is put into
Biofilm is carried out in nutrient solution containing complex micro organism fungicide, so as to obtain described combined stuffing.
A kind of life in the countryside using described device and food and drink waste water handling process, step are as follows：
1) domestic sewage in rural areas enters integrated apparatus by way of natural stream, is entered first by water inlet 1 from upper end
Grease removal tank 3, hydraulic detention time are about 3~5h, will be big under the complex micro organism fungicide effect adhered in suspension oil suction filler 2
Gauging lipid organic matter macromolecules degradation is small organic molecule, mitigates follow-up ring on the premise of follow-up carbon-nitrogen ratio is not influenceed
Save pollutant burden；
2) the oblique mozzle 17 that the waste water after handling is about 60 degree by the gradient enters anaerobic pond 4, hydraulic detention time
For 1~3h, during which using the bamboo filler for hanging with anaerobe film set in anaerobic pond 4, the organic matter gone in water removal and
Part nitrogen phosphorus and release phosphorus beneficial to polyP bacteria；Sewage enters anoxic pond 6 from the lower end of anaerobic pond 4 afterwards, and hydraulic detention time is about 2~
5h, denitrogenation is realized while dirty Organic substance in water is carried out and further removed in anoxic pond 6；The water outlet of anoxic pond 6 is from lower end
Aerobic Pond 7 is flowed into, hydraulic detention time is about 6~10h, and foamed glass is set in Aerobic Pond 7, can further adsorption of nitrogen phosphorus；It
Sewage enters aerobic backflow pool 8 afterwards, and the sewage and sludge after nitration reaction are entered under aeration by stripping reflux mode to pump up water
Pipe 11 and return duct 13, which are back in anoxic pond 6, carries out anti-nitration reaction, aeration quantity 1.2L/min, and design reflux ratio is 2.5:
1；
3) sewage after final process enters sedimentation basin 9 from upper end, and hydraulic detention time is about 2~5h, the sludge of precipitation
The bottom extension mouth of lifting pipe 11 is entered by the bottom of dividing plate 15, lifting pipe 11 is entered by stripping reflux mode under aeration and returned
Flow tube 13 is back in anoxic pond 6, realizes sludge reflux；Supernatant after precipitation is then discharged from delivery port 14.
Embodiment
In the present embodiment, life in the countryside and restaurant wastewater treatment device that structured packing is strengthened are used as shown in Fig. 1~2
Device, including grease removal tank 3, anaerobic pond 4, anoxic pond 6, Aerobic Pond 7, aerobic backflow pool 8 and the sedimentation basin 9 being sequentially connected, design
Day processing waste water 4t, meets the sanitary sewage disposal of 12-15 families rural households, total hrt HRT is 14~28h.Wherein
Overall apparatus long 2m, wide 1m, high 1.05m, grease removal tank 3, anaerobic pond 4, anoxic pond 6, Aerobic Pond 7, the hydraulic detention time of sedimentation basin 9
HRT is respectively 3~5h, 1~3h, 2~5h, 6~10h, 2~5h；The water inlet being connected with source of sewage is provided with the grease removal tank 3
Mouth 1, water inlet 1 are diameter 5cm pipe；Be provided with suspension oil suction filler 2 in grease removal tank 3, the filler is foamed glass and compound
The combined stuffing of microbial bacterial agent.Lifting pipe 11 diameter 8cm, buried depth 80cm, hoisting depth 5cm, aeration quantity 1.2L/min are designed,
It is about 2.5 to design reflux ratio:1.The bottom design of sedimentation basin 9 is 30 degree of gradients, and a sludge part for precipitation can be back to anoxic
In pond 6；Diameter 5cm delivery port 14 is connected in the upper right side of sedimentation basin 9.
Domestic sewage in rural areas enters integrated apparatus by way of natural stream, is entered by water inlet 1 from upper end remove first
Oil sump 3, by a large amount of grease type organic macromolecules degradations it is small organic molecule with the help of suspension oil suction filler 2, neither
Follow-up carbon-nitrogen ratio is influenceed, mitigates follow-up link pollutant burden again；Then the waste water after processing is about 60 degree by the gradient
Oblique mozzle 17 enters anaerobic pond 4, sets bamboo filler in anaerobic pond 4, anaerobe film is hung with bamboo filler, can be compared with
The good organic matter gone in water removal and part nitrogen phosphorus and release phosphorus beneficial to polyP bacteria；Sewage enters anoxic pond 6 and gas from lower end afterwards
Backflow sewage mixing is proposed, activated sludge and biologic packing material is added in anoxic pond 6, realizes anti-nitration reaction；The water outlet of anoxic pond 6 from
Lower end flows into degraded and the nitration reaction that Aerobic Pond 7 carries out organic matter, adds aerobic activated sludge in Aerobic Pond 7 and biology is filled out
Material, realizes catalytic oxidation；The sewage after nitrification and partial sludge are entered and raised by sewage into aerobic backflow pool 8 under aeration afterwards
Water pipe 11 is back to anoxic pond 6 by way of stripping reflux and carries out anti-nitration reaction so that backflow sewage is carried out more with gas
Good separation；Sewage after final process is discharged after being precipitated by sedimentation basin 9 from delivery port 14, it is possible to achieve 75% total nitrogen,
65% total phosphorus ligands and 90% COD degradation.
It is described above, only it is preferred embodiments of the present invention, is not intended to limit the scope of the present invention, therefore every
Any trickle amendment made according to the technical spirit of the present invention to above example, equivalent variations and modification, appoint and belong to this hair
In the range of bright technical scheme.
Claims (6)
1. life in the countryside and restaurant wastewater treatment device that a kind of structured packing is strengthened, it is characterised in that：Including what is be sequentially connected
Grease removal tank（3）, anaerobic pond（4）, anoxic pond（6）, Aerobic Pond（7）, aerobic backflow pool（8）And sedimentation basin（9）, on the grease removal tank
It is provided with water inlet（1）, grease removal tank（3）It is interior to be provided with suspension oil suction filler（2）；The anaerobic pond（4）, anoxic pond（6）, Aerobic Pond
（7）Inside it is respectively equipped with biologic packing material（5）；In grease removal tank（3）And anaerobic pond（4）Between and anoxic pond（6）And Aerobic Pond（7）It
Between be equipped with mozzle（17）, the Aerobic Pond（7）With aerobic backflow pool（8）In be equipped with aeration supervisor（12）And aeration branch pipe
（16）, wherein aerobic backflow pool（8）In aeration branch pipe（16）It is provided with aeration head（10）, aeration head（10）Top sets and pumped up water
Pipe（11）, lifting pipe（11）Tube wall passes through return duct（13）With anoxic pond（6）It is connected, dirt is realized by stripping reflux mode
Water flows back；Aerobic Pond（7）With aerobic backflow pool（8）Top is provided with gas outlet（18）；In sedimentation basin（9）Upper right side connects one and gone out
The mouth of a river（14）.
2. structured packing is strengthened according to claim 1 life in the countryside and restaurant wastewater treatment device, it is characterised in that：Institute
The lifting pipe stated（11）Bottom covers in aeration head by extension mouth（10）Top；Aerobic backflow pool（8）And sedimentation basin（9）Between lead to
Cross top water inlet, but the dividing plate between two pond bodies（15）Bottom vacantly connects both bottoms, sedimentation basin（9）Bottom sets oblique
Plate, and swash plate extreme lower position is in dividing plate（15）Bottom vacantly near place, makes the sludge of precipitation pass through dividing plate（15）Bottom enters
Lifting pipe（11）Bottom extension mouth.
3. structured packing is strengthened according to claim 1 life in the countryside and restaurant wastewater treatment device, it is characterised in that：Institute
The anaerobic pond stated（4）, anoxic pond（6）, Aerobic Pond（7）In biologic packing material（5）Respectively bamboo filler, polyurethanes filler and
Foamed glass.
4. structured packing is strengthened according to claim 1 life in the countryside and restaurant wastewater treatment device, it is characterised in that：Institute
The suspension oil suction filler stated（2）For foamed glass and the combined stuffing of complex micro organism fungicide.
5. structured packing is strengthened according to claim 4 life in the countryside and restaurant wastewater treatment device, it is characterised in that：Institute
The complex micro organism fungicide stated is by percent by volume：10%~30% Pseudomonas cepacia, 10%~30% micrococcus luteus, 10%
~20% bacillus licheniformis, 10%~20% bacillus amyloliquefaciens, 10%~20% expansion Penicillium notatum, 10% ~ 20% solution
Fat Asia sieve yeast compounding composition complex micro organism fungicide, using foamed glass as carrier, is put into containing complex micro organism fungicide
Biofilm is carried out in nutrient solution, so as to obtain described combined stuffing.
6. a kind of life in the countryside using claim 1 described device and food and drink waste water handling process, it is characterised in that step is such as
Under：
1）Domestic sewage in rural areas enters integrated apparatus by way of natural stream, passes through water inlet first（1）Enter from upper end and remove
Oil sump（3）, hydraulic detention time is 3 ~ 5h, in suspension oil suction filler（2）The complex micro organism fungicide effect of middle attachment is lower will be big
Gauging lipid organic matter macromolecules degradation is small organic molecule, mitigates follow-up ring on the premise of follow-up carbon-nitrogen ratio is not influenceed
Save pollutant burden；
2）Waste water after processing passes through oblique mozzle that the gradient is 60 degree（17）Into anaerobic pond（4）, hydraulic detention time 1
~ 3h, during which utilize anaerobic pond（4）The bamboo filler for hanging with anaerobe film of middle setting, the organic matter gone in water removal and portion
Divide nitrogen phosphorus and release phosphorus beneficial to polyP bacteria；Sewage is from anaerobic pond afterwards（4）Lower end enters anoxic pond（6）, hydraulic detention time be 2 ~
5h, in anoxic pond（6）In to dirty Organic substance in water carry out further remove while realize denitrogenation；Anoxic pond（6）Water outlet from
Lower end flows into Aerobic Pond（7）, hydraulic detention time is 6 ~ 10h, Aerobic Pond（7）Middle setting foamed glass, can further adsorption of nitrogen
Phosphorus；Sewage enters aerobic backflow pool afterwards（8）, sewage and sludge after nitration reaction are entered under aeration by stripping reflux mode
Enter lifting pipe（11）And return duct（13）It is back to anoxic pond（6）Middle carry out anti-nitration reaction, aeration quantity 1.2L/min, design
Reflux ratio is 2.5:1；
3）Sewage after final process enters sedimentation basin from upper end（9）, hydraulic detention time is 2 ~ 5h, the sludge of precipitation by every
Plate（15）Bottom enters lifting pipe（11）Bottom extension mouth, lifting pipe is entered by stripping reflux mode under aeration（11）With return
Flow tube（13）It is back to anoxic pond（6）In, realize sludge reflux；Supernatant after precipitation is then from delivery port（14）Discharge.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106542705A (en) * | 2016-12-30 | 2017-03-29 | 浙江省环境保护科学设计研究院 | A kind of Peasants Joy sewage-treatment plant and method |
| CN107162337B (en) * | 2017-06-26 | 2020-08-14 | 华北电力大学 | Multi-medium ecological treatment system and method for rural domestic sewage in frigid and arid regions |
| CN113651496A (en) * | 2021-08-27 | 2021-11-16 | 辽宁华孚环境工程股份有限公司 | Integrated combined device for rural domestic sewage and treatment method |
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