CN108178438A - A kind of rural domestic sewage treatment system and purification method - Google Patents
A kind of rural domestic sewage treatment system and purification method Download PDFInfo
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- CN108178438A CN108178438A CN201711467046.4A CN201711467046A CN108178438A CN 108178438 A CN108178438 A CN 108178438A CN 201711467046 A CN201711467046 A CN 201711467046A CN 108178438 A CN108178438 A CN 108178438A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
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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
- C02F2101/30—Organic 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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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Abstract
The invention discloses a kind of rural domestic sewage treatment system and purification methods, belong to technical field of sewage purification, and the sewage disposal system includes the grid pond set gradually（101）, water storage settling pit（102）, anaerobic reation pool（103）, anaerobic reaction sedimentation basin（104）, fluid bed biological film reaction tank（105）, fluid bed biological film reaction settling basin（106）, activated carbon adsorption tank（107）, sterilization pool（108）；The purification method includes grid process, desilting process, anaerobic reaction process, fluid bed biological film purification process, absorption process, disinfecting process, sludge condensation process, the domestic sewage in rural areas that the present invention is suitable in urbanization transformation process is administered, it is few with floor space, investment cost is at low cost, shorten the time of sewage disposal, the high advantage of purification efficiency has be widely popularized value in the treatment of waste water.
Description
Technical field
The invention belongs to technical field of sewage purification, are related to sewage disposal system and purification method, in particular relate to one kind
Suitable for the domestic sewage processing system and purification method in rural area.
Background technology
At present, with the quickening of China's the Course of Urbanization, life in the countryside increasingly urbanization, rural urbanization population also by
Cumulative more, cities and towns quantity and scale constantly increase, and in newly-built cities and towns, urban housing Quantity increases, and causes original wind
Light is beautiful, the vast rural areas environment of attractive scenery is affected, meanwhile, it is provided with the quickening and tourism of Development of China's Urbanization
The excessive exploitation in source, rural environmental pollution problem are also gradually increased, such as water pollution, atmosphere pollution and soil pollution etc., therefore,
During Rural Urbanization Construction, it is necessary to strengthen rural environmental pollution improvement.
Former, the pollutant of water pollution is caused in rural area, is not had after mainly having the lavatory flushing from rural households
Sewage by purification, the water discharged after laundry clothes, wash in kitchen after sewage and other drainings, therefore, have in sewage
A large amount of organic matter and there are the pollutants such as nitrogen, phosphorus, rural area is discharged due to sewage to be disperseed, the reasons such as sewage collecting difficulty, most sewage
Not by processing, just it is exhausted directly in environment, causes water pollution serious.At present, in Rural Urbanization Construction, cause water
The pollutant of body pollution is outside the daily lifes sewage such as kitchen waste water, wash water, sanitary wastewater, also some small processings
The sewage of enterprise's discharge and the sewage of service industry's discharge, therefore, these sewage must be focused on, if be exhausted directly to
In environment, environmental pollution is quite serious.
It is on 04 11st, 2011 in the applying date to handle country sewage, application No. is
201110090900.6 Chinese invention patent disclose a kind of integrated apparatus of dispersing type villages and small towns sewage water intensification denitrification dephosphorization
With method, inlet and outlet are respectively positioned at the left side bottom end of apparatus main body and right upper portion；Trepanning partition board is by device master
Body is divided into seven regions, is followed successively by anaerobic filter (A) area, anaerobic filter (B) area along water inlet direction, recombination region (C) contacts oxygen
Change (D) area, catalytic oxidation (E) area, catalytic oxidation (F) area and exhalant region (G)；Wherein recombination region (C) by it is non-porous every
Plate, enclosed baffle, apertured partition are divided into two Room of isometric(al), are anaerobic filter (H) area on the left of enclosed baffle along water inlet direction,
Right side is catalytic oxidation (I) area；Anaerobic filter (A) area, anaerobic filter (B) area lay haydite in anaerobic filter (H) area and make
For filler；；Anaerobic filter (A) area and catalytic oxidation (F) area bottom are equipped with nitrification liquid refluxing opening, by nitrification liquid return duct with
Nitrification liquid reflux pump, regulating valve are connected forming circuit, form nitrification liquid return-flow system；The device, for the dirt of dispersing type villages and small towns
The processing of water, both economical, health, easy operational effect meet health, and easy management requires, in reaction unit
High-biomass shortens hydraulic detention time, reduces reaction zone volume, saves capital construction cost, economy is good, enhances specific
The removal of pollutant increases capacity of resisting impact load, and without filler is needed to change, easy to operate, reinforced phosphor-removing effect is simple and easy to do,
Efficient quick.But above device, for the rural area sewage disposal of urbanization, processing capacity is inadequate, and effect is also bad.
It it is on 06 25th, 2014 in the applying date, the Chinese invention patent application No. is 201410286811.2 discloses one
Kind rural scattered domestic sewage treatment device and method, including sewage collecting pool, anaerobic filter, ecological floating island and Manual moist
Ground, sewage collecting pool are connect with anaerobic filter by water inlet pipe, and anaerobic filter and artificial swamp are connected by intermediate outlet pipe, raw
State chinampa is floated on the artificial swamp water surface, and artificial swamp is connected by outlet pipe；Anaerobic filter each section is followed successively by from bottom to top：
Sewage draining exit, sludge settling area, water distribution orifice plate, sludge suspension area, elastic filler, intermediate outlet pipe, exhaust pipe；Artificial swamp is by pond
Bottom is successively from lower to upper：Outlet pipe, boulder bed, metalling, coarse sands layer, fine sand layer, water body and float on the ecology of water body and float
Island forms；The above method, structure is simple and direct, without three phase separator, without sludge reflux and blast aeration equipment, add filler and fix
With retain microorganism species, improve mixed liquid concentration, waterpower degree it is high, without blocking, non-power consumption, the simple and direct side of operational management
Just effect and the good rural scattered domestic sewage treatment facility of ecological effect, are afforested；But above device and method need a large amount of
Floor space, for the rural area sewage disposal of urbanization, processing capacity efficiency handles the quantity of contaminant water, and effect is also
It is bad.
Invention content
It is an object of the invention to overcome in the prior art, traditional rural domestic sewage treatment mode processing capacity is weak,
And the technical issues of large-scale urban sewage treatment system cost is high, and system structure is complicated, a kind of be suitable in rural area city is provided
During townization is built, for the rural domestic sewage treatment system and purification method of the sanitary sewage disposal of Small Urban, to reduce
Environmental pollution makes Ecological Environment obtain sustainable development.
In order to solve the above technical problem, the present invention provides a kind of rural domestic sewage treatment system, the sewage
Processing system include setting gradually for the grid pond of floating material in removing water, for water storage and make silt in put aside water
The water storage settling pit of deposition, made under anaerobic using Anaerobic Bacteria organic matter decompose anaerobic reation pool, through anaerobism
Anaerobic reaction sedimentation basin that the impurity in water after reaction tank reaction is precipitated utilizes activated sludge and biomembrane to combine to decompose
The fluid bed biological film reaction tank of organic matter precipitates the impurity in the water after fluid bed biological film reaction tank is reacted
Fluid bed biological film reaction settling basin, for adsorb impurities in water and smell activated carbon adsorption tank, for bacterium in disinfectant
Sterilization pool and purification water outlet；The rural domestic sewage treatment system further includes the sludge condensation for thickened sludge
Pond, the sludge disinfection device for the belt filter press of press filtration sludge and for sterilizing bacterium in sludge.
A kind of above-mentioned rural domestic sewage treatment system, the grid pond are provided with coarse rack pond and fine fack pond,
Since in country sewage, there are the coarseer suspended matter of volume, coarse rack can remove coarse suspended matter, and fine fack can remove
Some in decontaminated water tiny particulate matter or suspended matter.
A kind of above-mentioned rural domestic sewage treatment system, the water storage settling pit is spiral-flow type water storage settling pit, dirty
Water is flowed into from side wall, and sewage forms spiral rotation status in pond, using natural vortex, forms desilting.The rotation
Streaming water storage settling pit is set as two to three, and two to three water storage settling pits of setting are connected in parallel, and carries out alternately water storage and sinks
Sand can provide more desilting times in this way, be conducive to other reaction tanks and work continuously, and sewage desilting effect is good.
Flow fluidic device is set in side wall, increases the flowing of water body, forms vortex.
A kind of above-mentioned rural domestic sewage treatment system, the anaerobic reation pool are set as up-flow anaerobic sludge
Bed sets water inlet one and water outlet one, water inlet one to be arranged on upflow anaerobic sludge blanket process in upflow anaerobic sludge blanket process
Bottom, water outlet one are arranged on upflow anaerobic sludge blanket process top, between water inlet one and water outlet one set filler one, into
Heat exchanger is set at the mouth of a river one, sewage is flowed, is decomposed by the anaerobic mud bed organic matter in sewage from bottom to top,
It is compact-sized using upflow anaerobic sludge blanket process, good sewage processing effect
A kind of above-mentioned rural domestic sewage treatment system, the fluid bed biological film reaction tank bottom longitudinal section are set as round
Arc can prevent occurring dirt deposition in bottom, influence wastewater treatment efficiency.
A kind of above-mentioned rural domestic sewage treatment system, the fluid bed biological film reaction tank include water inlet two,
Blast aerator, filler two, circulation flow guiding device, isolating device and water outlet two, water inlet two are arranged on thermopnore biology
The top of film reaction pond side, blast aerator are arranged on the lower section of diagonal side, are set in fluid bed biological film reaction tank
Stent is put, circulation flow guiding device is set on stent, water outlet two is arranged on the lower section of fluid bed biological film reaction tank, isolation dress
It puts and is arranged at water outlet two, blast aerator can provide sufficient oxygen for fluid bed biological film reaction tank, meanwhile, profit
With air-flow, sewage generation in fluid bed biological film reaction tank is made to circulate, while filler two is driven to be circulated in sewage,
Filler two is made to be come into full contact with sewage, is sufficiently mixed, the microorganism on two surface of filler is made to carry out the organic matter in sewage
Fully decompose.
A kind of above-mentioned rural domestic sewage treatment system, the circulation flow guiding device are set as longitudinal direction and recycle water conservancy diversion dress
It puts or horizontal cyclic guiding device, circulation flow guiding device includes stent and are arranged on stent to set deflector.
A kind of above-mentioned rural domestic sewage treatment system, the filler two are set as the tyre talc by adhesive bonding
End using the rubber granule filler two of adhesive bonding, has high-wear resistance, and chemical stability is good, the work of service life length
With.
Using a kind of purification method of rural domestic sewage treatment system, the method includes the following steps：
Step A：The floating material of interception for collecting some floating materials in sewage, is directly sent to sludge condensation by grid process
Pond；Desilting process anaerobic reaction process thermopnore biomembrane purification process absorption process disinfecting process sludge condensation process
Step B：Desilting process, by spiral-flow type water storage settling pit, the vortex that is formed using flow, make in sewage some proportions compared with
Big particulate matter precipitates；In order to accelerate sedimentation effect, during heavy water, coagulant is added in settling pit, has been conducive to
Deposit after sedimentation is sent to sludge concentration tank by accelerated sedimentation；
Step C：Sewage is introduced into anaerobic reation pool by anaerobic reaction process, using the decomposition of Anaerobic Bacteria, passes through hair
Ferment and acidification carry out the organic matter in decomposition sewage, then the sewage after decomposition is introduced anaerobic reaction sedimentation basin, to one
Divide sludge that can re-use, the discarded sludge of a part is drained into sludge-tank；It can make organic matter that hydrolysis, acidification occur in this way
And methanation, remove the organic matters such as nitrogen, phosphorus in waste water；
Step D：Fluid bed biological film purification process is given birth to thermopnore is introduced by anaerobic reaction sedimentation basin oettIed sewage
Object film reaction pond, carries out blast aeration in fluid bed biological film reaction tank, improves the oxygen content in water, meanwhile, using air-flow,
Sewage generation in fluid bed biological film reaction tank is made to circulate, while filler two is driven to be circulated in sewage, makes filler
Two are come into full contact with sewage, are sufficiently mixed, and the microorganism on two surface of filler is made fully to divide the organic matter in sewage
Solution；Sewage Jing Guo fluid bed biological film reaction tank is introduced into fluid bed biological film reaction settling basin, to the suspended matter in water
It is precipitated, sediment is drained into sludge concentration tank；
Step E：Absorption process purified water is purified by fluid bed biological film, is introduced into activated carbon adsorption tank, utilizes work
Property charcoal, remove sewage in suspended matter, be drained into sludge concentration tank after suspended matter is precipitated；
Step F：Disinfecting process carries out disinfection to sewage in sterilization pool；
Step G：Sludge condensation process, concentrates sludge, dehydration, carries out press filtration using belt filter press, is handled, is filtered
Liquid sends back to water storage settling pit again.
A kind of purification method of above-mentioned rural domestic sewage treatment system, in step C, the anaerobic reaction process
Be set as upflow anaerobic sludge blanket process reaction, by upflow anaerobic sludge blanket process, sewage from upflow anaerobic sludge blanket process bottom into
Enter, sewage flows from bottom to top, and the organic matter in sewage is decomposed, and in anaerobic digestion, temperature setting is 31~34 DEG C.
Compared with prior art, the beneficial effects of the present invention are：1st, by setting water storage settling pit, it can save and account for
Ground space, and equipment manufacturing costs can be reduced.
2nd, by setting water storage settling pit in parallel, the period feature that country sewage is suitble to generate is conducive to desilting,
Be conducive to the work of whole system continuous high-efficient.
It 3rd, can by the combination of anaerobic reation pool and fluid bed biological film reaction tank, activated carbon adsorption tank, sterilization pool
The characteristics of to make full use of various microbial cleaning water quality, is purified various sanitary sewages, and sewage discharge is made to reach country
It is required that sewage drainage standard.
4th, the present invention is using fluid bed biological film reaction tank, with good investment, take up an area less, good sewage processing effect, can be in 1 year
It middle different season, can continuous firing.
5th, it is of the invention, it can overcome in traditional domestic sewage in rural areas improvement, need large area soil, cause land resource
The problem of waste；It can overcome the problems, such as that large-scale sewage treatment plant's cost is high again, be suitable in urbanization transformation process,
Domestic sewage in rural areas is administered, and few with floor space, investment cost is at low cost, shortens the time of sewage disposal, and purification efficiency is high
Advantage, in the treatment of waste water have be widely popularized value.
Description of the drawings
Fig. 1 is a kind of rural domestic sewage treatment system structure diagram of the present invention.
Fig. 2 is upflow anaerobic sludge blanket process structure diagram of the present invention.
Fig. 3 is the longitudinal schematic cross-sectional view of one of fluid bed biological film reaction tank of the present invention.
Fig. 4 is two schematic top plan views of fluid bed biological film reaction tank of the present invention.
Fig. 5 is a kind of purification method flow diagram of rural domestic sewage treatment system of the present invention.
Drawing reference numeral explanation：101- grid ponds, 102- water storages settling pit, 103- anaerobic reation pools, 1031- up-flow anaerobism
Sludge Bed, 1032- water inlets one, 1033- water outlets one, 1034- fillers one, 1035- heat exchangers, 104- anaerobic reactions precipitation
Pond, 105- fluid bed biological film reaction tanks, 1051- water inlets two, 1052- blast aerators, 1053- fillers two, 1054- are followed
Ring guiding device, 1055- isolating devices, 1056- water outlets two, 106- fluid bed biological films reaction settling basin, 107- activated carbons
Adsorption tank, 108- sterilization pools, 109- sludge concentration tanks, 110- belt filter press, 111- sludge disinfection devices.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
A kind of rural domestic sewage treatment system as shown in Figure 1, the sewage disposal system include what is set gradually
Grid pond 101 for floating material in water removal for water storage and makes the water storage settling pit of the sedimentation in put aside water
102nd, make the anaerobic reation pool 103 of organic matter decomposition under anaerobic using Anaerobic Bacteria, anti-through anaerobic reation pool 103
Should after water in impurity precipitated anaerobic reaction sedimentation basin 104, combined using activated sludge and biomembrane decompose it is organic
The fluid bed biological film reaction tank 105 of object, precipitates the impurity in the water after fluid bed biological film reaction tank 105 is reacted
Fluid bed biological film reaction settling basin 106, for adsorb impurities in water and smell activated carbon adsorption tank 107, for sterilizing
The sterilization pool 108 of bacterium and purification water outlet in water；The rural domestic sewage treatment system further includes to concentrate dirt
The sludge concentration tank 109 of mud, for the belt filter press 110 of press filtration sludge and for sterilizing the sludge disinfection of bacterium in sludge dress
Put 111.
As shown in Figure 1, grid pond 101 is provided with coarse rack pond and fine fack pond, since in country sewage, there are some bodies
The coarseer suspended matter of product, such as the cane of plant, tatter, these coarse suspended matters can not carry out in sewage purification
Processing, needs first to be removed, coarse rack can remove coarse suspended matter, prevent that fine fack is caused to block；Fine fack can
To remove some in decontaminated water tiny particulate matter or suspended matter, the solid impurity in sewage can be mainly removed.Water storage settling pit
102 primarily serve water storage and the effect of desilting, on the one hand, since the domestic sewage in rural areas discharge capacity bigger time mainly concentrates
In the morning, noon and dusk, in order to run sewage disposal system high-efficiency and continuous, therefore it is necessary, desilting to set cistern
Pond is also necessary mainly for the silt in removal sewage；But if setting cistern and settling pit respectively, it will cause account for
Ground area increases, and land resource is caused to waste, and therefore, in domestic sewage in rural areas purification, cistern and settling pit is combined, shape
Into water storage settling pit 102, it can reduce cost of investment with effectively save land resource, be of great significance.In water storage settling pit
In 102, it is set as spiral-flow type water storage settling pit, since in domestic sewage in rural areas, silt content is than city domestic sewage
Middle content is high, it is necessary to carry out sedimentation separation, remove the silt particle in sewage, otherwise, the equipment such as the water pump of water delivery can be caused to grind
Damage, valve blocks can also cause pipe network to block, serious also to interfere or even destroy subsequent Anaerobic Treatment process, therefore, store
Water settling pit 102 can be detached the silt in sewage.
Spiral-flow type water storage settling pit is provided in round, including water feed apparatus, discharging device, settling zone and mud discharging device group
Into sewage is flowed into from side wall, and sewage forms spiral rotation status, using natural vortex, forms desilting.In order to further
Flow is made to form vortex, flow fluidic device is set in spiral-flow type water storage settling pit side wall, in side wall circumferential direction, is arranged at intervals
3 to 4 water pumps increase the flowing of water body, form vortex.Measure as a further improvement on the present invention, water storage settling pit 102 are set
It is set to two to three.According to the scale of rural urbanization, two to three spiral-flow type water storage settling pits are set, in this way, can basis
Displacement number, carry out water storage, due to the domestic sewage in rural areas discharge capacity bigger time be concentrated mainly on morning, noon and
At dusk, therefore, according to the daily maximum displacement situation in urbanization rural area, two to three water storage settling pits 102 are set, and parallel connection is even
It connects, carries out alternately water storage desilting, be conducive to other reaction tanks and work continuously, sewage desilting effect is good.
As shown in Fig. 2, anaerobic reation pool 103 is set as upflow anaerobic sludge blanket process 1031, in upflow anaerobic sludge blanket process
Water inlet 1 and water outlet 1, water inlet 1 is set to be arranged on 1031 bottom of upflow anaerobic sludge blanket process in 1031
Portion, water outlet 1 are arranged on 1031 top of upflow anaerobic sludge blanket process, water inlet 1 and water outlet 1 it
Between set filler 1, at water inlet 1 set heat exchanger 1035, utilize heat exchanger 1035 and temperature sense
Device makes the water temperature in upflow anaerobic sludge blanket process 1031 be maintained at 31~34 DEG C, is conducive to upflow anaerobic sludge blanket process in this way
The digestion of Anaerobic Bacteria in 1031, accelerates the decomposition of organic matter.In upflow anaerobic sludge blanket process 1031, sewage is from liter
1031 bottom of flow anaerobic sludge bed enters, and sewage is flowed from lower to upper part, by Anaerobic Bacteria to organic in sewage
Object such as nitrogen, phosphorus etc. are decomposed, in this way, in decomposable process, are not needed to exterior power and are stirred, it is possible to reduce power disappears
Consumption；It is compact-sized using upflow anaerobic sludge blanket process 1031, it is possible to reduce floor space.
As shown in figure 3, fluid bed biological film reaction tank 105 includes water inlet 2 1051, blast aerator 1052, filler
2 1053, circulation flow guiding device 1054, isolating device 1055 and water outlet 2 1056, water inlet 2 1051 and blast aerator
1052 by diagonally setting, as water inlet 2 1051 is arranged on the top of 105 side of fluid bed biological film reaction tank, blast aeration
Device 1052 is arranged on the lower section of diagonal side, in this way, can be recycled the sewage in fluid bed biological film reaction tank 105
Flowing, blast aerator 1052 can be that fluid bed biological film reaction tank 105 provides sufficient oxygen, meanwhile, utilize air blast
The air-flow that aerator 1052 generates makes sewage generation in fluid bed biological film reaction tank 105 circulate, while drive filler
2 1053 circulate in sewage, and filler 2 1053 is made to be come into full contact with sewage, is sufficiently mixed, and make 2 1053 table of filler
The microorganism in face fully decomposes the organic matter in sewage, the biological flora kind in fluid bed biological film reaction tank 105
Class is more, and COD degradation ability is strong, all has stronger degradation capability to some organic matters difficult to degrade.It is anti-in fluid bed biological film
Setting stent in pond 105 is answered, deflector on stent is set, circulating for water can be adjusted；The circulation flow guiding device 1054
Longitudinal circulation flow guiding device or horizontal cyclic guiding device are set as, in this way, processing time can be shortened and improve treatment effeciency.
Isolating device 1055 is arranged at water outlet 2 1056, can be prevented filler 2 1053 from being discharged from water outlet 2 1056, be caused to fill out
Expect 2 1053 losses.105 bottom longitudinal section of fluid bed biological film reaction tank is set as arc-shaped, can prevent from occurring in bottom dirty
Object deposits, and influences wastewater treatment efficiency.Filler 2 1053 is set as the rubber grain by adhesive bonding, such as uses scrap tire powder
End using the tire powder filler 2 1053 of adhesive bonding, has porosity high, can increase the effective surface area of rubber,
And the characteristics of damaged tire powder has high-wear resistance, and chemical stability is good, and service life is long.
The present invention also provides a kind of purification method of rural domestic sewage treatment system, this method carries out by the following method
Sewage is purified, first, Domestic sewage collecting, convergence by coarse rack pond and fine fack pond, intercepts some floatings in sewage
The floating material of interception is directly sent to sludge concentration tank 109 by object, by coarse rack pond and fine fack pond, can improve separation effect
Fruit；Sewage is passed into spiral-flow type water storage settling pit again, the vortex formed using flow makes some proportions in sewage larger
Particulate matter precipitates；In order to accelerate sedimentation effect, in precipitation process, coagulant has been added in settling pit, has been conducive to accelerate
Deposit after sedimentation, is sent to sludge concentration tank 109 and is concentrated by sedimentation；Sewage is introduced into anaerobic reation pool again
103, using the decomposition of Anaerobic Bacteria, by fermenting and being acidified the organic matter carried out in decomposition sewage, then through excessive
Sewage after solution introduces anaerobic reaction sedimentation basin 104, and a part of sludge can be re-used, and the discarded sludge of a part is discharged into
To sludge-tank；Make organic matter that hydrolysis, acidification and methanation occur, the organic matter in waste water is removed, after anaerobic reaction
After scum silica frost and excess sludge are collected, it is drained into sludge concentration tank 109.Anaerobic reaction process is set as upflow anaerobic sludge blanket process
1031 reactions, by upflow anaerobic sludge blanket process 1031, sewage enters from reactor bottom, and sewage is flowed, passed through from bottom to top
Upflow anaerobic sludge blanket process 1031 decomposes the organic matter in sewage.Again after anaerobic reaction sedimentation basin 104 precipitates
Sewage be introduced into fluid bed biological film reaction tank 105, blast aeration is carried out in fluid bed biological film reaction tank 105, improve
Oxygen content in water, meanwhile, using air-flow, sewage generation in fluid bed biological film reaction tank 105 is circulated, is driven simultaneously
Filler 2 1053 circulates in sewage, and filler 2 1053 is made to be come into full contact with sewage, is sufficiently mixed, and makes filler two
The microorganism on 1053 surfaces fully decomposes the organic matter in sewage, thus greatly improves coefficient of oxygen utilization, favorably
In the transfer of oxygen.Sewage Jing Guo fluid bed biological film reaction tank 105 is introduced into fluid bed biological film reaction settling basin 106,
Suspended matter in water is precipitated, sediment is drained into sludge concentration tank 109；Again after fluid bed biological film purifies
Water, be introduced into activated carbon adsorption tank 107, using activated carbon, remove the suspended matter in sewage, be drained into after suspended matter is precipitated
Sludge concentration tank 109；Then, it carries out disinfection in sterilization pool 108 to sewage, kills pathogen and microorganism in water.To dirt
Sludge in mud thickener 109, first sludge condensation, dehydration recycles belt filter press 110 to carry out press filtration, sludge is pressed into
It after filter cake, then is focused on, filtrate sends back to water storage settling pit 102 again.By method of the present invention, can with gram
It takes in traditional domestic sewage in rural areas improvement, the problem of needing large area soil, land resource is caused to waste；It can overcome again big
The problem of sewage treatment plant's cost of type is high is suitable in urbanization transformation process, and domestic sewage in rural areas is administered, and has and accounts for
Ground area is few, and investment cost is at low cost, shortens the time of sewage disposal, and the high advantage of purification efficiency has in the treatment of waste water
It is widely popularized value.
Embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula to those skilled in the art, can also make several variations and modifications under the premise of not departing from the present invention, this
It also should be regarded as belonging to the scope of protection of the present invention a bit.
Claims (10)
1. a kind of rural domestic sewage treatment system, it is characterised in that：The sewage disposal system includes the use set gradually
The grid pond of floating material in water removal（101）, for water storage and make the water storage settling pit of the sedimentation in put aside water
（102）, the anaerobic reation pool that using Anaerobic Bacteria decomposes under anaerobic organic matter（103）, through anaerobic reation pool
（103）The anaerobic reaction sedimentation basin that the impurity in water after reaction is precipitated（104）, activated sludge and biomembrane is utilized to combine
The fluid bed biological film reaction tank of decomposing organic matter（105）, through fluid bed biological film reaction tank（105）In water after reaction
The fluid bed biological film reaction settling basin that impurity is precipitated（106）, for adsorbing the activated carbon adsorption of impurities in water and smell
Pond（107）, for the sterilization pool of bacterium in disinfectant（108）With purification water outlet；The rural domestic sewage treatment system
System further includes the sludge concentration tank for thickened sludge（109）, for the belt filter press of press filtration sludge（110）With for sterilizing
The sludge disinfection device of bacterium in sludge（111）.
2. a kind of rural domestic sewage treatment system according to claim 1, it is characterised in that：The grid pond
（101）It is provided with coarse rack pond and fine fack pond.
3. a kind of rural domestic sewage treatment system according to claim 1, it is characterised in that：The water storage settling pit
（102）For spiral-flow type water storage settling pit, flow fluidic device is set in the side wall of spiral-flow type water storage settling pit, the water storage is sunk
Sand basin（102）It is set as two to three.
4. a kind of rural domestic sewage treatment system according to claim 1, it is characterised in that：The anaerobic reation pool
（103）It is set as upflow anaerobic sludge blanket process（1031）, in upflow anaerobic sludge blanket process（1031）Middle setting water inlet one
（1032）With water outlet one（1033）, water inlet one（1032）It is arranged on upflow anaerobic sludge blanket process（1031）Bottom, water outlet
One（1033）It is arranged on upflow anaerobic sludge blanket process（1031）Top, in water inlet one（1032）With water outlet one（1033）Between
Filler one is set（1034）, in water inlet one（1032）Place's setting heat exchanger（1035）.
5. a kind of rural domestic sewage treatment system according to claim 1, it is characterised in that：The thermopnore biology
Film reaction pond（105）Bottom longitudinal section is set as arc-shaped.
6. a kind of rural domestic sewage treatment system according to claim 5, it is characterised in that：The thermopnore biology
Film reaction pond（105）Including water inlet two（1051）, blast aerator（1052）, filler two（1053）, circulation flow guiding device
（1054）, isolating device（1055）With water outlet two（1056）, water inlet two（1051）It is arranged on fluid bed biological film reaction tank
（105）The top of side, blast aerator（1052）The lower section of diagonal side is arranged on, in fluid bed biological film reaction tank
（105）Interior setting stent, sets circulation flow guiding device on stent（1054）, water outlet two（1056）It is arranged on thermopnore biology
Film reaction pond（105）Lower section, isolating device（1055）It is arranged on water outlet two（1056）Place.
7. a kind of rural domestic sewage treatment system according to claim 6, it is characterised in that：The cycle water conservancy diversion dress
It puts（1054）It is set as longitudinal circulation flow guiding device or horizontal cyclic guiding device.
8. a kind of rural domestic sewage treatment system according to claim 6, it is characterised in that：The filler two
（1053）It is set as the rubber grain by adhesive bonding.
9. a kind of purification method using a kind of rural domestic sewage treatment system described in claim 1, it is characterised in that：Institute
The method stated includes the following steps：
Step A：The floating material of interception for collecting some floating materials in sewage, is directly sent to sludge condensation by grid process
Pond（109）；
Step B：Desilting process, by spiral-flow type water storage settling pit, the vortex that is formed using flow, make in sewage some proportions compared with
Big particulate matter precipitates；
Step C：Sewage is introduced into anaerobic reation pool by anaerobic reaction process（103）, using the decomposition of Anaerobic Bacteria,
Anaerobic reaction sedimentation basin is introduced by fermenting and being acidified the organic matter carried out in decomposition sewage, then the sewage after decomposition
（104）, a part of sludge can be re-used, the discarded sludge of a part is drained into sludge-tank；Hydrolyze organic matter generation,
Acidification and methanation remove the organic matter in waste water, after the scum silica frost after anaerobic reaction and excess sludge are collected, are drained into
Sludge concentration tank（109）；
Step D：Fluid bed biological film purification process, by anaerobic reaction sedimentation basin（104）OettIed sewage is introduced into stream
Dynamic bed biomembrane reaction pond（105）, in fluid bed biological film reaction tank（105）Middle carry out blast aeration improves oxygen-containing in water
Amount, meanwhile, using air-flow, make fluid bed biological film reaction tank（105）Middle sewage generation circulates, while drive filler two
（1053）It is circulated in sewage, makes filler two（1053）It is come into full contact with, is sufficiently mixed with sewage, make filler two
（1053）The microorganism on surface fully decomposes the organic matter in sewage；By fluid bed biological film reaction tank（105）
Sewage be introduced into fluid bed biological film reaction settling basin（106）, the suspended matter in water is precipitated, sediment is drained into
Sludge concentration tank（109）；
Step E：Absorption process purified water is purified by fluid bed biological film, is introduced into activated carbon adsorption tank（107）,
Using activated carbon, the suspended matter in sewage is removed, sludge concentration tank is drained into after suspended matter is precipitated（109）；
Step F：Disinfecting process, in sterilization pool（108）In carry out disinfection to sewage；
Step G：Sludge condensation process, concentrates sludge, and dehydration utilizes belt filter press（110）Press filtration is carried out, is located
Reason, filtrate send back to water storage settling pit again（102）.
10. a kind of purification method according to claim 9, it is characterised in that：In step C, the anaerobic reaction mistake
Journey is set as upflow anaerobic sludge blanket process（1031）Reaction, passes through upflow anaerobic sludge blanket process（1031）, sewage is from reactor bottom
Portion enters, and sewage flows, the organic matter in sewage is decomposed by anaerobic mud bed reactor, is disappeared in anaerobism from bottom to top
In change, temperature setting is 31~34 DEG C.
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| CN201711467046.4A CN108178438A (en) | 2017-12-29 | 2017-12-29 | A kind of rural domestic sewage treatment system and purification method |
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| CN201711467046.4A CN108178438A (en) | 2017-12-29 | 2017-12-29 | A kind of rural domestic sewage treatment system and purification method |
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| CN110078320A (en) * | 2019-06-11 | 2019-08-02 | 湖南艾布鲁环保科技股份有限公司 | Villages and small towns sewage unpowered biological ecological treatment apparatus and the sewage disposal system comprising it |
| CN110304726A (en) * | 2019-08-02 | 2019-10-08 | 海南省水利水电勘测设计研究院 | A kind of processing unit and application method of domestic sewage in rural areas |
| NL2028958A (en) * | 2020-12-10 | 2022-07-08 | Agro Environmental Prot Institute Ministry Of Agriculture And Rural Affairs | Integrated rural domestic sewage treatment apparatus in single-household/joint-household structure |
| CN114933392A (en) * | 2022-05-10 | 2022-08-23 | 浙江蓝亚环保科技有限公司 | Rural domestic sewage treatment equipment |
| CN117125822A (en) * | 2023-10-19 | 2023-11-28 | 青岛鑫源环保集团有限公司 | Nitrate clarification plant is removed to drinking water |
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| CN110078320A (en) * | 2019-06-11 | 2019-08-02 | 湖南艾布鲁环保科技股份有限公司 | Villages and small towns sewage unpowered biological ecological treatment apparatus and the sewage disposal system comprising it |
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| CN117125822B (en) * | 2023-10-19 | 2024-06-04 | 青岛鑫源环保集团有限公司 | Nitrate clarification plant is removed to drinking water |
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Application publication date: 20180619 |