CN106348445A - Multilevel aerobic and anaerobic sewage treatment device and method - Google Patents
Multilevel aerobic and anaerobic sewage treatment device and method Download PDFInfo
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- CN106348445A CN106348445A CN201610988320.1A CN201610988320A CN106348445A CN 106348445 A CN106348445 A CN 106348445A CN 201610988320 A CN201610988320 A CN 201610988320A CN 106348445 A CN106348445 A CN 106348445A
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- aerobic reaction
- reation pool
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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Abstract
The invention discloses a multilevel aerobic and anaerobic sewage treatment device and method. The sewage treatment device comprises aerobic reaction tanks, anaerobic reaction tanks and a settling pond, wherein at least three aerobic reaction tanks and at least three anaerobic reaction tanks are arranged; the aerobic reaction tanks and the anaerobic reaction tanks are serially connected with each other at intervals; the settling pond is arranged at the tail end of the serially connected aerobic reaction tanks and anaerobic reaction tanks; and biological stuffing and aerator pipes are arranged in the aerobic reaction tanks and the anaerobic reaction tanks. In the sewage treatment device provided by the invention, the microorganisms in the upstream aerobic reaction tank utilize organisms to have metabolism so as to generate multiplied sludge, the microorganisms of the multiplied sludge are subjected to death dissolution in an anaerobic zone so as to release matters, including intracellular protein, fat, polysaccharide, and the like, and the matters can supply metabolism products to the microorganisms in the next aerobic reaction tank, so that a geometric progressive increasing treatment effect is formed between the aerobic reaction tanks and the anaerobic reaction tanks, and the effects of low sludge yield and stable effluent quality can be achieved.
Description
Technical field
The present invention relates to sewage disposal technology is and in particular to a kind of sewage-treatment plant of multistage good anaerobism and method.
Background technology
Sewage disposal has been commercial production and townie requisite ingredient, existing sewage water treatment method
Main include Physical, chemical method and bioanalysises, because bioanalysises have, high treating effect, mud output be low, use cost is low
The features such as and obtain relatively broad application.
With regard to bioanalysises, in prior art, Application No. 201520132090.x, it is entitled that " a kind of mbr method integration is dirty
The utility model patent of water treatment facilities " discloses a kind of sludge treatment equipment based on bioanalysises, but this device is due to adopting
Mbr method, its mbr film needs frequently to carry out backwash to ensure treatment effeciency, and backwash medicinal liquid easily makes biochemical strain dead so that
The problems such as bulk life time is relatively low, effluent quality is unstable in it.In addition, Application No. 0221385.6, entitled " a kind of one
The utility model patent of body sewage-treatment plant " also discloses that a kind of sludge treatment equipment based on bioanalysises, and this device is adopted
It is the good anaerobism of ao() PROCESS FOR TREATMENT sewage, due to only one good anaerobic treatment program, the yield of its mud is larger, anti-impact
Ability of hitting is weak, relatively prominent a series of problems, such as effluent quality is unstable.
Content of the invention
It is an object of the invention to provide a kind of sewage-treatment plant of multistage good anaerobism and method, to solve in prior art
The weak point such as the effluent quality of the method for sludge treatment based on bioanalysises is unstable.
To achieve these goals, the following technical scheme of present invention offer:
A kind of sewage-treatment plant of multistage good anaerobism, including aerobic reaction tank, anaerobic reation pool and sedimentation tank, described aerobic
Reaction tank and anaerobic reation pool all at least three, described aerobic reaction tank and the setting of anaerobic reation pool spaced series, described heavy
Shallow lake pond is arranged at the tail end of the described aerobic reaction tank being arranged in series and anaerobic reation pool, described aerobic reaction tank and anaerobic reaction
It is provided with biologic packing material and aerating pipelines in pond.
Above-mentioned sewage-treatment plant, each described aerating pipelines arrange control assembly with tolerance, each described gas flow optimized
Assembly individually controls.
Above-mentioned sewage-treatment plant, the water (flow) direction of aerobic reaction tank and anaerobic reation pool described in arbitrary neighborhood is contrary,
Described water (flow) direction includes the flow direction from the top of reaction tank to bottom and the flowing from the bottom of reaction tank to top
Direction.
Above-mentioned sewage-treatment plant, between aerobic reaction tank and the top of anaerobic reation pool and bottom described in arbitrary neighborhood
Between be provided with interface channel, each described interface channel is provided with control valve.
Above-mentioned sewage-treatment plant, also includes sludge pipe, and described sludge pipe is provided with sludge pump, described mud
Sedimentation tank described in pipeline communication and the described aerobic reaction tank of head end being arranged in series and/or anaerobic reation pool.
Above-mentioned sewage-treatment plant, described aerobic reaction tank is provided with least two outputted aerobic water passages, in current
On direction, two outputted aerobic water passages are connected with anaerobic reation pool next described and next described anaerobic reation pool respectively；
At least two anaerobic effluent passages are provided with described anaerobic reation pool, in water (flow) direction, two anaerobic effluent passages
Connect with aerobic reaction tank next described and next described aerobic reaction tank respectively.
Above-mentioned sewage-treatment plant, described aerobic reaction tank all includes two water outlet side walls, two described water outlet side walls
It is the influent side wall of next described anaerobic reation pool and next described anaerobic reation pool respectively simultaneously.
Above-mentioned sewage-treatment plant, also includes:
Overall channel, the water inlet of each described aerobic reaction tank and anaerobic reation pool and outlet are all by branch pipe(tube) according to current side
To being consecutively connected on overall channel, each described branch pipe(tube) is provided with valve, arbitrary described aerobic reaction tank or anaerobic reaction
It is also equipped with valve on overall channel between the water inlet in pond and outlet.
Above-mentioned sewage-treatment plant, also includes:
Ring-type cell body, described ring-type cell body is divided into multiple points of cell body by radial sidewalls, and each described point of cell body is respectively described heavy
Shallow lake pond, each described aerobic reaction tank and anaerobic reation pool；
The center arrangement of described ring-type cell body has looped pipeline, and described looped pipeline is described overall channel.
A kind of sewage water treatment method of multistage good anaerobism, described sewage water treatment method based on above-mentioned sewage-treatment plant,
It comprises the following steps:
Obtain the pollutant levels for the treatment of sewage；
According to described pollutant levels, default result, the described aerobic reaction tank prestoring and anaerobic reation pool
The operating mode of the rule of correspondence between process index and aeration rate and each described aerobic reaction tank and anaerobic reation pool determines described
Aerobic reaction tank and the usage quantity of anaerobic reation pool；
The target aerobic reaction tank being determined according to described usage quantity and target anaerobic reation pool；
Described treatment sewage is imported each described target aerobic reaction tank and target anaerobic reation pool；
In above-mentioned steps, the process index of default result, the described aerobic reaction tank prestoring and anaerobic reation pool
Consideration priority between the rule of correspondence and aeration rate between and each described aerobic reaction tank and the operating mode of anaerobic reation pool
It is followed successively by from high to low: the operating mode of default result, each described aerobic reaction tank and anaerobic reation pool, the institute prestoring
State the rule of correspondence between the process index of aerobic reaction tank and anaerobic reation pool and aeration rate.
In technique scheme, the sewage-treatment plant that the present invention provides, the multigroup aerobic reaction tank being in series is set
And anaerobic reation pool, it is provided with biologic packing material in each aerobic reaction tank and anaerobic reation pool, its inner principle is, upstream
The microorganism of aerobic reaction tank carries out metabolism using Organic substance and is sent out in anaerobic zone with generating propagation mud, the microorganism of propagation mud
Life and death dies dissolving thus discharging the materials such as intracellular protein, fat and polysaccharide, and these materials are micro- life in next aerobic reaction tank
Thing provides metabolism to produce thing, forms the treatment effect of geometry incremental effect so between each aerobic reaction tank and anaerobic reation pool,
Thus finally dispose the Organic Pollution in sewage completely in downstream, accomplish that sludge yield is low, stable effluent quality.
Because above-mentioned sewage-treatment plant has above-mentioned technique effect, the using method of this sewage-treatment plant also should have
Corresponding technique effect.
Brief description
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention described in one
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the top view of the sewage-treatment plant of an embodiment provided in an embodiment of the present invention；
Fig. 2 is the side view of the sewage-treatment plant of an embodiment provided in an embodiment of the present invention；
Fig. 3 is the top view of the sewage-treatment plant of another embodiment provided in an embodiment of the present invention；
Fig. 4 is the FB(flow block) of sewage water treatment method provided in an embodiment of the present invention.
Description of reference numerals:
1st, aerobic reaction tank；2nd, anaerobic reation pool；3rd, sedimentation tank；4th, aerating pipelines；5th, interface channel；6th, overall channel；7th, arm
Road；8th, valve.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this
Bright it is further detailed.
As Figure 1-3, the sewage-treatment plant of a kind of multistage good anaerobism provided in an embodiment of the present invention, including aerobic anti-
Answer pond 1, anaerobic reation pool 2 and sedimentation tank 3, aerobic reaction tank 1 and anaerobic reation pool 2 all at least three, aerobic reaction tank 1
Arrange with anaerobic reation pool 2 spaced series, sedimentation tank 3 is arranged at the tail of the aerobic reaction tank 1 being arranged in series and anaerobic reation pool 2
End, is provided with biologic packing material and aerating pipelines 4 in aerobic reaction tank 1 and anaerobic reation pool 2.
Specifically, aerobic reaction tank 1 refers to the treatment tank that inside has aerobic microbiological, that is, on its biologic packing material
Main component be aerobic microbiological, its Main Function is, aerobic microbiological and the Organic substance in sewage carry out contacting and instead
Should be to form propagation mud；Anaerobic reation pool 2 refers to the treatment tank that inside has anaerobe, i.e. its biologic packing material
On main component be anaerobe, its Main Function is, anaerobe is contacted with the propagation mud in sewage
With absorption to decompose microorganism, it is translated into free of contamination carbon dioxide, inorganic nutrients and energy.Aerobic biologic packing material
It is Treatment of Sludge assembly common in the art with the biologic packing material of anaerobism, the present embodiment is not to its concrete type selecting and arrangement
Repeated.Aerating pipelines 4 be used for into aerobic reaction tank 1 and anaerobic reation pool 2 convey air, with meet aerobic microbiological and
Anaerobe required oxygen working environment.Aerobic reaction tank 1 and the setting of anaerobic reation pool 2 spaced series refer to both
Set gradually, that is, sewage flows through aerobic reaction tank 1, anaerobic reation pool 2, aerobic reaction tank 1, anaerobic reation pool 2, aerobic anti-successively
Answer pond 1, anaerobic reation pool 2 ... sedimentation tank 3, the upstream and downstream of aerobic reaction tank 1 is anaerobic reation pool 2(two ends and removes
Outward), except the upstream and downstream of anaerobic reation pool 2 is aerobic reaction tank 1(two ends).Multistage the detesting well of the present embodiment offer
The sewage-treatment plant of oxygen, what multistage good anaerobism referred to be this device has multiple aerobic reaction tanks 1 being sequentially connected and anaerobism
Reaction tank 2.
The sewage-treatment plant of the multistage good anaerobism that the present embodiment provides, after sewage enters first aerobic reaction tank 1, dirty
The some organic pollutants that water carries are captured by aerobic microbiological, and aerobic microbiological is bred to be formed as nutriment by it
Propagation mud, propagation mud and organic pollution at large flow into first anaerobic reation pool 2, aerobic in propagation mud
Microorganism issues life and death and dies dissolving to form protein, fat and the nutrient such as polysaccharide in the anaerobic environment of anaerobic reation pool 2
Matter, these nutrient substance and some organic pollutants are again simultaneously by anaerobe (hydrolytic bacteria and the acidifying of anaerobic reation pool 2
Antibacterial) metabolism formation low-molecular-weight inorganic matters, subsequently, propagation mud, low-molecular-weight inorganic matters, organic pollution enter together on a small quantity
Enter second aerobic reaction tank 1, the water of second aerobic reaction tank 1 has more more than the water of first aerobic reaction tank 1
Nutrient substance for conversion, its interior biological respinse quantity is bigger, and the density of its interior protozoacide and microfauna is higher, phase
Answer, it is also higher to the prey ability of organic pollution, subsequently, the sewage after second aerobic reaction tank 1 flows into second
Individual anaerobic reation pool 2, second anaerobic reation pool 2 is compared first anaerobic reation pool 2 and is equally provided with that more to be available for anaerobism micro-
The nutrient substance of biological respinse, so, the entrance sewage being in the aerobic reaction tank 1 in more downstream has more and type more
For reaction nutrient substance, it also has abundanter aerobic microbiological type, and the density of its aerobic microbiological is also higher, its
Also higher to the treatment effeciency of mud；And the sewage that enters being in the anaerobic reation pool 2 in more downstream has more battalion for reaction
Foster material, in it, the density of anaerobe is also higher, and it is also higher to the treatment effeciency of mud.
The sewage-treatment plant of the multistage good anaerobism that the present embodiment provides, when in an entry time section (as a hour)
Organic pollution is 10 units, and the wherein pollutant of 1 unit are consumed by first aerobic reaction tank 1 and anaerobic reation pool 2,
Based on the operation principle of foregoing description, second aerobic reaction tank 1 and anaerobic reation pool 2 can consume 1.5-2.5 unit
Organic pollution, the 3rd aerobic reaction tank 1 and anaerobic reation pool 2 can consume the organic pollution of 2.5-3.5 unit, the
Four aerobic reaction tanks 1 and anaerobic reation pool 2 can consume the organic pollution of 3.5-4.5 unit, so that more downstream
Aerobic reaction tank 1 and anaerobic reation pool 2 capture ability higher.Single aerobic reaction tank 1 and anaerobic reaction in prior art
Pond 2 coordinates the sludge yield of miscellaneous equipment (as mbr film) entering the 0.1% or even more than 0.2% of the water yield, and sludge yield is larger, this
The sewage-treatment plant of the multistage good anaerobism that embodiment provides, by above-mentioned multistage good anaerobic treatment, final sludge yield
Less than the 0.05% of the water yield can reached, greatly reducing sludge yield.
In the present embodiment, each aerating pipelines 4 arrange control assembly with tolerance, each gas flow optimized assembly individually controls, by
The water pollutant that enters in the aerobic reaction tank 1 and anaerobic reation pool 2 that are in different parts in workflow becomes to be grouped into difference, its
Interior microorganism is also different, and its required air capacity is also different, therefore to each aerobic reaction tank 1 and anaerobic reation pool 2
Air inflow individually controls and flexibly controls.
In the present embodiment, further, can be each aerobic reaction tank 1 and anaerobic reation pool 2 arranges various sizes of appearance
Receive space, as shown in figure 3, i.e. in water (flow) direction, the aerobic reaction tank 1 in downstream and the receiving space of anaerobic reation pool 2 are more than
The aerobic reaction tank 1 of upstream and the receiving space of anaerobic reation pool 2, so make full use of aerobic reaction tank 1 and the anaerobism in downstream
The capture ability of reaction tank 2, thus reducing overall aerobic reaction tank 1 and the quantity of anaerobic reation pool 2, such as will originally need four
The aerobic reaction tank 1 of level and anaerobic reation pool 2 are reduced to aerobic reaction tank 1 and the anaerobic reation pool 2 of three-level.
Sewage-treatment plant provided in an embodiment of the present invention, arranges the multigroup aerobic reaction tank 1 being in series and anaerobic reaction
Pond 2, is provided with biologic packing material in each aerobic reaction tank 1 and anaerobic reation pool 2, its inner principle is, upstream aerobic anti-
The microorganism answering pond 1 carries out metabolism to generate propagation mud using Organic substance, and the microorganism of propagation mud is in anaerobic zone generation extremely
Die dissolving thus discharging the materials such as intracellular protein, fat and polysaccharide, these materials carry for microorganism in next aerobic reaction tank 1
Produce thing for metabolism, form the treatment effect of geometry incremental effect so between each aerobic reaction tank 1 and anaerobic reation pool 2, from
And the Organic Pollution in sewage is finally disposed completely in downstream, accomplish that sludge yield is low, stable effluent quality.
Simultaneously as having at least three-level aerobic reaction tank 1 and anaerobic reation pool 2, the impact resistance pole of whole device
By force, for different types of mud, such as the mud of organic pollution between 6-12 unit for the content, the present embodiment provides
Sewage-treatment plant all energy effective process, and effluent quality is almost identical.
And the microorganism self duplication of aerobic reaction tank 1 and anaerobic reation pool 2, substantially no mud output, operation cost
Extremely low, through measuring and calculating, for existing most cities sanitary sewage, operation cost can control at 0.2 yuan -0.8 yuan/ton.
In the present embodiment, further, the water (flow) direction of arbitrary neighborhood aerobic reaction tank 1 and anaerobic reation pool 2 is contrary, water
Stream direction includes the flow direction from the top of reaction tank to bottom and the flow direction from the bottom of reaction tank to top,
Water (flow) direction as the first aerobic reaction tank 1 is from top to bottom, then the water (flow) direction of the first anaerobic reation pool 2 is from down to up,
The water (flow) direction of the first aerobic reaction tank 1 again be from top to bottom, subsequently by that analogy, water (flow) direction opposite effect be so that
The time that current are detained in reaction tank is longer so that the microorganism in pond can maximize work.Further, same good
Water (flow) direction in oxygen reaction tank 1 or anaerobic reation pool 2 can flow to another relative side from a side, and such as left end arrives
Right-hand member, front end to rear end, so extend the time of staying of current further.
In the present embodiment, further, between the top of arbitrary neighborhood aerobic reaction tank 1 and anaerobic reation pool 2 and bottom
It is provided with interface channel 5 between portion, each interface channel 5 is provided with control valve 8, that is, for each aerobic reaction tank 1 He
Anaerobic reation pool 2, its water inlet and water outlet direction are all adjustable, you can think that bottom intakes, top water outlet or top are entered
Water, bottom water outlet, so that the current regulation of each aerobic reaction tank 1 and anaerobic reation pool 2 is more convenient.
In the present embodiment, further, also include sludge pipe, sludge pipe is provided with sludge pump, sludge pipe is even
Logical sedimentation tank 3 and the aerobic reaction tank 1 of head end being arranged in series and/or anaerobic reation pool 2, will sludge circulation in sedimentation tank 3
Return in reaction tank, because above-mentioned flow process is possible to also micro mud (less than 0.05%), by by sludge reflux, reducing
Finally need process sludge quantity to be processed, accomplish substantially without any mud of process.
In the present embodiment, further, aerobic reaction tank 1 is provided with least two outputted aerobic water passages, in current side
Upwards, two outputted aerobic water passages are connected with next anaerobic reation pool 2 and next anaerobic reation pool 2 respectively；Anaerobic reation pool 2
On be provided with least two anaerobic effluent passages, in water (flow) direction, two anaerobic effluent passages respectively with next aerobic reaction
Pond 1 connects with next aerobic reaction tank 1.As according to water (flow) direction, each aerobic reaction tank 1 is divided into the first aerobic reaction tank
1st, the second aerobic reaction tank 1, the 3rd aerobic reaction tank 1 ... the n-th aerobic reaction tank 1, each anaerobic reation pool 2 is divided into first to be detested
Oxygen reaction tank 2, the second anaerobic reation pool 2, the 3rd anaerobic reation pool 2 ... the n-th anaerobic reation pool 2, the first aerobic reaction tank 1 is simultaneously
Connect with the first anaerobic reation pool 2 and the second anaerobic reation pool 2, the first anaerobic reation pool 2 simultaneously with the second aerobic reaction tank 1 and
3rd aerobic reaction tank 1 connects, follow-up the like, it is arranged such and there are two beneficial effects, one is to run into partial reaction
Pond needs repairing or during other operation downtime, can allow arbitrary aerobic reaction tank 1 or anaerobic reation pool 2 by control valve 8
Stop work and do not affect the operation of whole device, it two is complete without whole device when the organic pollution content of sewage is relatively low
During portion's work, can be stopped work in partial reaction pond, thus there are different regulatory functions to different types of sewage.
In the present embodiment, as shown in figure 1, aerobic reaction tank 1 all includes two water outlet side walls, two water outlet side walls are same respectively
When be next anaerobic reation pool 2 and next anaerobic reation pool 2 influent side wall, aerobic reaction tank 1 and anaerobic reation pool 2 are
Each side wall of rectangle or square, aerobic reaction tank 1 and anaerobic reation pool 2 in addition to being connected with the reaction tank of upstream and downstream,
Also it is connected with the reaction tank under upper up or down, and is provided with water stream channel on both side walls of sharing, water stream channel is provided with
Valve 8, such as two side walls of the first aerobic reaction tank 1 are shared with the first anaerobic reation pool 2 and the second anaerobic reation pool 2 respectively,
Three side walls of the second aerobic reaction tank 1 are anti-with the first anaerobic reation pool 2, the second anaerobic reation pool 2 and the 3rd anaerobism respectively
Answer pond 2 to share, be arranged such and be easy to adjust connecting of each aerobic reaction tank 1 and anaerobic reation pool 2, when above-mentioned single reaction tank
When needing to stop work, the regulation of water (flow) direction is extremely convenient, need not arrange complex tubing.
In the present embodiment, further, each aerobic reaction tank 1 and the water inlet of anaerobic reation pool 2 and outlet are all passed through
Branch pipe(tube) 7 is consecutively connected on overall channel 6 according to water (flow) direction, and each branch pipe(tube) 7 is provided with valve 8, arbitrary aerobic reaction
Valve 8 is also equipped with the overall channel 6 between the water inlet of pond 1 or anaerobic reation pool 2 and outlet, unified setting one house steward
Road, each aerobic reaction tank 1 and anaerobic reation pool 2 are all connected on total pipeline by two branch pipe(tube)s 7, and a branch pipe(tube) 7 connects
Water inlet, another branch pipe(tube) 7 connects outlet, and the direction arrangement putting in order according to current of each branch pipe(tube) 7, is arranged such
Advantage be, by controlling the open and close of each valve 8, by arbitrarily single or multiple aerobic reaction tanks 1 and can detest
Oxygen reaction tank 2 connects or excludes in sewage disposal system, compares above-mentioned aerobic reaction tank 1 and can only connect next and next
Anaerobic reation pool 2 is compared, and the regulation of setting total pipeline is more flexible, also more convenient, to optional position, any number of aerobic
Reaction tank 1 and anaerobic reation pool 2 all can be adjusted.
In the present embodiment, as shown in figure 3, further, also include ring-type cell body, ring-type cell body is split by radial sidewalls
Become multiple points of cell body, each point of cell body is respectively sedimentation tank 3, each aerobic reaction tank 1 and anaerobic reation pool 2；In ring-type cell body
The heart is disposed with looped pipeline, and looped pipeline is overall channel 6.So whole device is loop configuration, and the advantage being arranged such is,
First, sedimentation tank 3 is adjacent with the first aerobic reaction tank 1, so its sludge reflux extremely convenient, the side wall directly sharing at both
Upper perforate simultaneously arranges sludge pump, and second, the space that unitary circular occupies is less, and the 3rd, it is easy to overall observation and maintenance
Whole device, and whole device need not be covered from the beginning to the end according to flow direction.
As shown in figure 4, the sewage water treatment method of a kind of multistage good anaerobism of the embodiment of the present invention also offer, sewage disposal side
Based on above-mentioned sewage-treatment plant, it comprises the following steps method:
101st, the pollutant levels for the treatment of sewage are obtained；
Specifically, the pollutant levels for the treatment of sewage, such as Organic substance 300mg/l are obtained by sensor.
102nd, according to pollutant levels, default result, the aerobic reaction tank 1 prestoring and anaerobic reation pool 2
Process index and aeration rate between the rule of correspondence and each aerobic reaction tank 1 and anaerobic reation pool 2 operating mode determine aerobic
Reaction tank 1 and the usage quantity of anaerobic reation pool 2.
Specifically, default result is the standard that the sewage discharged needs, such as organic for one-level water quality requirement
Thing content is less than 10 mg/l, two grades of water quality content of organics between 10-30 mg/l, the aerobic reaction tank 1 prestoring and detesting
The rule of correspondence between the process index of oxygen reaction tank 2 and aeration rate is then whole waste water processes under different aeration rates
Disposal ability, such as in the case of rudimentary, intermediate and senior aeration rate, the Organic substance disposal ability of whole device is respectively
250/300/350 mg/l, and the operating mode of each aerobic reaction tank 1 and anaerobic reation pool 2 is then the operation conditions of equipment, such as keeps in repair,
Fault etc. situation, the such as organic concentration for the treatment of sewage are 300mg/l, and default result is organic concentration 20
Mg/l, that is, whole handling process need to reduce content of organics and be more than 280 mg/l, based on design standard and operating experience, according to
Low-grade aeration rate, four aerobic reaction tanks 1 and anaerobic reation pool 2 can complete above-mentioned process, and according to high-grade
Aeration rate, three aerobic reaction tanks 1 and anaerobic reation pool 2 then can complete above-mentioned process, in practical application, one of aerobic
Reaction tank 1 needs repairing because assembly damages, and now can be selected for enabling three aerobic reaction tanks 1 and anaerobic reation pool 2, and
High-grade aeration rate completes above-mentioned result.
In the present embodiment, further, default result, the aerobic reaction tank 1 prestoring and anaerobic reation pool 2
Process index and aeration rate between the rule of correspondence and the operating mode of each aerobic reaction tank 1 and anaerobic reation pool 2 between examine
Consider priority to be followed successively by from high to low: the operating mode of default result, each aerobic reaction tank 1 and anaerobic reation pool 2, deposit in advance
The rule of correspondence between the process index of the aerobic reaction tank 1 of storage and anaerobic reation pool 2 and aeration rate, preferentially enables all of
Equipment oepration at full load, to complete default result, only all obtains less than default in all of equipment oepration at full load
Just consider during result to reduce the standard of result.When multiple options all can complete default result, examine successively
Consider and protect biologic packing material using appropriate aeration rate, and consider operating mode to protect miscellaneous equipment.
It is apparent that removing organic beyond the region of objective existence, other pollutant such as nitrogen oxygen thing, microcosmic salt, bio oil etc., all can be according to above-mentioned
Step processed.
103rd, the target aerobic reaction tank 1 according to usage quantity determination and target anaerobic reation pool 2；
Specifically, when generally four aerobic reaction tanks 1 and anaerobic reation pool 2, and three aerobic reactions when reality is selected, are only needed
Pond 1 and anaerobic reation pool 2, then reject one, select remaining three as target aerobic reaction tank 1 and target anaerobic reaction
Pond 2.
104th, treatment sewage is imported each target aerobic reaction tank 1 and target anaerobic reation pool 2；
Specifically, import sewage according to the target aerobic reaction tank 1 selected and target anaerobic reation pool 2, enter sewage disposal
Journey.
In technique scheme, because above-mentioned sewage-treatment plant has above-mentioned technique effect, this sewage-treatment plant
Using method also should have corresponding technique effect.
The above some one exemplary embodiment only describing the present invention by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain, in the case of without departing from the spirit and scope of the present invention, can by with various different in the way of to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The restriction of claims.
Claims (10)
1. a kind of sewage-treatment plant of multistage good anaerobism, including aerobic reaction tank, anaerobic reation pool and sedimentation tank, its feature
It is, described aerobic reaction tank and anaerobic reation pool all at least three, described aerobic reaction tank and anaerobic reaction cell compartment string
Connection setting, described sedimentation tank is arranged at the tail end of the described aerobic reaction tank being arranged in series and anaerobic reation pool, described aerobic anti-
It is provided with biologic packing material and aerating pipelines in Ying Chi and anaerobic reation pool.
2. sewage-treatment plant according to claim 1 is it is characterised in that arrange control with tolerance on each described aerating pipelines
Assembly processed, each described gas flow optimized assembly individually controls.
3. sewage-treatment plant according to claim 2 it is characterised in that
The water (flow) direction of aerobic reaction tank described in arbitrary neighborhood and anaerobic reation pool is contrary, and described water (flow) direction is included from reaction tank
The flow direction to bottom for the top and flow direction from the bottom from reaction tank to top.
4. sewage-treatment plant according to claim 3 is it is characterised in that aerobic reaction tank described in arbitrary neighborhood and anaerobism
It is provided with interface channel and bottom between the top of reaction tank, each described interface channel is provided with control valve.
5. sewage-treatment plant according to claim 1 is it is characterised in that also include sludge pipe, described sludge pipe
On be provided with sludge pump, described sludge pipe connect described sedimentation tank and the described aerobic reaction tank of head end being arranged in series and/
Or anaerobic reation pool.
6. sewage-treatment plant according to claim 1 is it is characterised in that be provided with least two in described aerobic reaction tank
Individual outputted aerobic water passage, in water (flow) direction, two outputted aerobic water passages respectively with anaerobic reation pool next described and lower next
Described anaerobic reation pool connection；
At least two anaerobic effluent passages are provided with described anaerobic reation pool, in water (flow) direction, two anaerobic effluent passages
Connect with aerobic reaction tank next described and next described aerobic reaction tank respectively.
7. sewage-treatment plant according to claim 6 is it is characterised in that described aerobic reaction tank all includes two water outlets
Side wall, two described water outlet side walls are the water inlet of next described anaerobic reation pool and next described anaerobic reation pool respectively simultaneously
Side wall.
8. sewage-treatment plant according to claim 6 is it is characterised in that also include:
Overall channel, the water inlet of each described aerobic reaction tank and anaerobic reation pool and outlet are all by branch pipe(tube) according to current side
To being consecutively connected on overall channel, each described branch pipe(tube) is provided with valve, arbitrary described aerobic reaction tank or anaerobic reaction
It is also equipped with valve on overall channel between the water inlet in pond and outlet.
9. sewage-treatment plant according to claim 8 is it is characterised in that also include:
Ring-type cell body, described ring-type cell body is divided into multiple points of cell body by radial sidewalls, and each described point of cell body is respectively described heavy
Shallow lake pond, each described aerobic reaction tank and anaerobic reation pool；
The center arrangement of described ring-type cell body has looped pipeline, and described looped pipeline is described overall channel.
10. a kind of sewage water treatment method of multistage good anaerobism is it is characterised in that described sewage water treatment method is based on claim 6-
Sewage-treatment plant described in 9 any one, it comprises the following steps:
Obtain the pollutant levels for the treatment of sewage；
According to described pollutant levels, default result, the described aerobic reaction tank prestoring and anaerobic reation pool
The operating mode of the rule of correspondence between process index and aeration rate and each described aerobic reaction tank and anaerobic reation pool determines described
Aerobic reaction tank and the usage quantity of anaerobic reation pool；
The target aerobic reaction tank being determined according to described usage quantity and target anaerobic reation pool；
Described treatment sewage is imported each described target aerobic reaction tank and target anaerobic reation pool；
In above-mentioned steps, the process index of default result, the described aerobic reaction tank prestoring and anaerobic reation pool
Consideration priority between the rule of correspondence and aeration rate between and each described aerobic reaction tank and the operating mode of anaerobic reation pool
It is followed successively by from high to low: the operating mode of default result, each described aerobic reaction tank and anaerobic reation pool, the institute prestoring
State the rule of correspondence between the process index of aerobic reaction tank and anaerobic reation pool and aeration rate.
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