CN209226783U - A kind of integrated rural sewage-treatment plant - Google Patents

A kind of integrated rural sewage-treatment plant Download PDF

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Publication number
CN209226783U
CN209226783U CN201821923106.9U CN201821923106U CN209226783U CN 209226783 U CN209226783 U CN 209226783U CN 201821923106 U CN201821923106 U CN 201821923106U CN 209226783 U CN209226783 U CN 209226783U
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area
snd
continuous flow
anoxic zone
area snd
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CN201821923106.9U
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Inventor
刘旭军
李志平
钟焕清
刘建生
张正阳
永婷婷
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Yunnan City Investment Originwater Membrane Technology LLC
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Yunnan City Investment Originwater Membrane Technology LLC
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Abstract

The utility model discloses a kind of integrated rural sewage-treatment plants, it is desirable to provide a kind of countryside sewage treatment equipment of strong applicability.It includes basket grid, blender, intake pump, air lift system, regulatory region, anoxic zone, the first area SND, the 2nd area SND, the area Xiao Yang, settling zone and the continuous flow sand filter that continuous flow sand-washing device is arranged inside;It is characterized by: the intake pump is connect by water inlet pipe with regulatory region, the basket grid is set to the outlet end of water inlet pipe;The blender is set in anoxic zone;First area SND bottom is provided with the first micro-hole aerator, first circulation air stripper of the setting for muddy water circulation in the first area SND;2nd area SND bottom is provided with the second micro-hole aerator, second circulation air stripper of the setting for muddy water circulation in the 2nd area SND;The lower part of the regulatory region is connected to anoxic zone top;The anoxic zone top is connected to the first area SND lower part;First area SND is connected to the 2nd area SND by grid.

Description

A kind of integrated rural sewage-treatment plant
Technical field
The utility model relates to technical field of sewage treatment equipment, fill more particularly, to a kind of integrated rural sewage treatment It sets.
Background technique
With the continuous development of society, water pollution problems is gradually from cities and towns to transfer of rural, currently, country sewage is basic It is all unprocessed direct emission, this brings to Ecological Environment and seriously affects, while also directly threaten vast rural area The health of the masses, thus sewage treatment is also gradually from cities and towns to rural development.
Country sewage mainly has water dispersion, and water is unstable, the diversified feature of water quality, this is to sewage disposal system Design brings certain difficulty.And existing sewage disposal device is not easy to safeguard, and is unable to satisfy different quality sewage Processing, operation stability and effluent quality are difficult to ensure.
Utility model content
The purpose of this utility model is intended to overcome the shortcomings of the prior art, provides a kind of easy to maintain, and operation is steady It is fixed, the integrated rural sewage-treatment plant of applicable multiple-quality water.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of integrated rural sewage-treatment plant, including basket grid, blender, intake pump, air lift system, adjusting Area, anoxic zone, the first area SND, the 2nd area SND, the area Xiao Yang, settling zone and the continuous quicksand that continuous flow sand-washing device is arranged inside Filter tank;The intake pump is connect by water inlet pipe with regulatory region, and the basket grid is set to the outlet end of water inlet pipe;It is described to stir The machine of mixing is set in anoxic zone;First area SND bottom is provided with the first micro-hole aerator, is arranged in the first area SND First circulation air stripper for muddy water circulation;2nd area SND bottom is provided with the second micro-hole aerator, and described second Second circulation air stripper of the setting for muddy water circulation in the area SND;The lower part of the regulatory region is connected to anoxic zone top;It is described Anoxic zone top is connected to the first area SND lower part;It is connected between first area SND and the 2nd area SND with grid;Described second It is connected between the area SND and the area Xiao Yang with grid;Top is connected between the area Xiao Yang and settling zone;The settling zone passes through overflow Weir is connected to continuous flow sand filter;Drainpipe is arranged in continuous flow sand filter top;The regulatory region is distinguished by outlet pipe It is connected to the first area SND and the 2nd area SND;The area Xiao Yang is connected to by nitrification liquid return pipe with anoxic zone;The settling zone Bottom be connected to anoxic zone by activity sludge reflux pipe;The anoxic zone, the 2nd area SND, the area Xiao Yang, sinks at the first area SND Shallow lake area and the bottom of continuous flow sand filter are provided with sewage pipe;The air lift system by pipeline respectively with the first micro-pore aeration Device, first circulation air stripper, the second micro-hole aerator, second circulation air stripper, nitrification liquid return pipe, activity sludge reflux pipe and Continuous sand filter connection in continuous flow sand filter.
It preferably, further include setting pot;The washed-out sand water discharge spout of the continuous flow sand filter is connect with setting pot.
Compared with prior art, the utility model has the advantages that
The utility model the utility model is by the setting area Xiao Yang, by dissolved oxygen depletion excessive in the 2nd area SND, it is ensured that Nitrification liquid phegma does not influence anoxic zone denitrification.
The utility model is the finely ground particles in further removal water outlet, and continuous flow sand filter is designed behind settling zone, Gravel is cleaned while being able to achieve filtering water outlet.It ensures to reduce while stable effluent quality is up to standard and changes sand workload.
The utility model is integrated, and transport installation is relatively simple, it is contemplated that the problem of the Maintenance Difficulty of rural area, is used Instrument and equipment be all relatively simple and common instrument and equipment, using easy to operate and be conveniently replaceable.The utility model has Flexibly, advantage simply, efficiently, stable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
In figure: basket grid 1, blender 2, intake pump 3, air lift system 4, regulatory region 5, anoxic zone 6, the first area SND 7, 2nd area SND 8, the area Xiao Yang 9, settling zone 10, continuous flow sand-washing device 11, continuous flow sand filter 12, water inlet pipe 13, the first micropore expose Gas device 14, first circulation air stripper 15, the second micro-hole aerator 16, second circulation air stripper 17, overflow weir 18, drainpipe 19, Outlet pipe 20, nitrification liquid return pipe 21, activity sludge reflux pipe 22, setting pot 23, sewage pipe 24.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor Every other embodiment obtained, fall within the protection scope of the utility model.In the following description, in order to clearly demonstrate originally The structure and working method of utility model will be described on the basis of attached drawing by many Directional words, but should be incited somebody to action The Word Understandings such as "front", "rear", "left", "right", "upper", "lower" are not construed as word of limitation for convenience of term.
Integrated rural sewage-treatment plant shown in FIG. 1, including basket grid, blender, intake pump, air lift system, Regulatory region, anoxic zone, the first area SND (the first synchronous nitration and denitrification area), the 2nd area SND (the second synchronous nitration and denitrification Area), the area Xiao Yang, settling zone and the continuous flow sand filter that continuous flow sand-washing device is arranged inside;The intake pump passes through water inlet pipe It is connect with regulatory region, the basket grid is set to the outlet end of water inlet pipe;The blender is set in anoxic zone;Described One area SND bottom is provided with the first micro-hole aerator, first circulation air lift of the setting for muddy water circulation in the first area SND Device;2nd area SND bottom is provided with the second micro-hole aerator, in the 2nd area SND setting for muddy water circulation the Two circulating gas-lifting devices;The lower part of the regulatory region is connected to anoxic zone top;The anoxic zone top and the first area SND lower part connect It is logical;It is connected between first area SND and the 2nd area SND with grid;Connected between 2nd area SND and the area Xiao Yang with grid It is logical;Top is connected between the area Xiao Yang and settling zone;The settling zone is connected to by overflow weir with continuous flow sand filter;It is described Drainpipe is arranged in continuous flow sand filter top;The regulatory region is connected with the first area SND and the 2nd area SND respectively by outlet pipe It is logical;The area Xiao Yang is connected to by nitrification liquid return pipe with anoxic zone;The bottom of the settling zone passes through activity sludge reflux pipe It is connected to anoxic zone;The anoxic zone, the first area SND, the 2nd area SND, the area Xiao Yang, settling zone and continuous flow sand filter bottom It is provided with sewage pipe (sewage pipe on settling zone is illustrated only in figure);The air lift system is micro- with first respectively by pipeline Hole aerator, first circulation air stripper, the second micro-hole aerator, second circulation air stripper, nitrification liquid return pipe, activated sludge return Continuous sand filter connection in flow tube and continuous flow sand filter.
It further includes setting pot;The washed-out sand water discharge spout of the continuous flow sand filter is connect with setting pot.
Regulatory region and basket grid are the features unstable for country sewage water quality, water, it is therefore an objective to water water quality Mixing adjusting is carried out with water, meanwhile, aftertreatment systems and equipment are ensured using the impurity in basket grid removal water inlet Stable operation.
The main effect in anoxic zone is the nitrate nitrogen in phegma will to be nitrified, by anti-nitre using the carbon source in water inlet Change effect removal, reaches strengthened denitrification purpose.Meanwhile it degrading to pollutant other in water inlet.
First area SND and the 2nd area SND make to be oxidized into nitric acid as far as possible into the ammonia nitrogen and the pollutants such as COD in water Salt nitrogen and carbon dioxide etc..
The purpose in the area Xiao Yang is that have in consumption water inlet to prevent dissolved oxygen excessive in the 2nd area SND from flowing back into anoxic zone The carbon source of limit and denitrifying bacterium living environment is impacted, inhibits denitrification effect.
Settling zone is that the mud mixture for coming out the area Xiao Yang realizes mud-water separation, while sludge passes through activity sludge reflux The gas stripping of pipe flows back into anoxic zone, keeps the microbial biomass of whole system.
When work, sewage is promoted by intake pump to water inlet pipe, is entered regulatory region after filtering later by basket grid, is led to It overregulates after area carries out mixing adjusting to influent quality and water, a part of water enters anoxic zone, and another part passes through outlet pipe Respectively enter the first area SND and the 2nd area SND.For prevent suspension material in the first area SND and the 2nd area SND by outlet pipe into Enter regulatory region or blocking pipeline, can respectively outlet pipe and the first area SND and the 2nd area SND entrance setting diameter for 10mm Grid intercept.
Sewage is mixed sewage, nitrification liquid phegma and activated sludge by blender in anoxic zone, is dropped by microorganism Nitrate nitrogen in nitrification liquid is carried out denitrification using the carbon source in water inlet, removes the nitrogen in sewage, remove simultaneously by solution effect Other pollutant in water inlet.
In the first area SND and the 2nd area SND, pass through the first micro-hole aerator, the second micro-hole aerator, first circulation gas Device and the operation of second circulation air stripper intermittent cyclic and gradient aeration operation are proposed, realizes first circulation air stripper and second circulation gas Different dissolved oxygen concentration in device is proposed to run.The first area SND and the are realized by the linkage of the time relay and solenoid valve when use Two sections SND are had a rest circular flow.When the first micro-hole aerator and the second micro-hole aerator are oxygenated, first circulation air stripper and the Two circulating gas-lifting devices stop;When stopping when the first micro-hole aerator and the second micro-hole aerator are oxygenated, first circulation air stripper The mud mixture in the first area SND and the 2nd area SND bottom is up mentioned with second circulation air stripper, the muddy water of bottom of pond is mixed Object is sent to the first area SND and the 2nd area SND top, is realized stream circulation in top and the bottom in pond body, is ensured the first area SND and the 2nd SND Muddy water is sufficiently mixed in area, while the dissolved oxygen concentration consumed in the first area SND and the 2nd area SND reaches anaerobic environment.It is logical The first micro-hole aerator, the second micro-hole aerator, first circulation air stripper and the operation of second circulation air stripper intermittent cyclic are crossed, it is real The switching in existing first area SND and the 2nd area SND aerobic environment and anaerobic environment, it is synchronous in the 2nd area SND to reach the first area SND Nitration denitrification purpose.It is discharged into the intensified anti-nitrated denitrogenation again of the carbon source in sewage using outlet pipe simultaneously, meanwhile, utilize biology Film different layers microbial action realizes synchronous nitration and denitrification effect.
Sewage successively enters the area Xiao Yang behind the first area SND and the reaction of the 2nd area SND.One, sewage in the area Xiao Yang Divide and enter settling zone, passes through nitrification liquid return pipe after the oxygen effect that disappears that a part passes through the area Xiao Yang and return to anoxic zone.To prevent Floating stuffing in two areas SND enters the area Xiao Yang, the grid that diameter is 10mm can be arranged in the water outlet of nitrification liquid return pipe It intercepts.
Settling zone carries out mud-water separation by physics settlement action, and sludge a part of bottom passes through activity sludge reflux pipe Anoxic zone is flowed back into, has ensured the concentration of whole system activated sludge, another part sludge is irregularly flowed back by sewage pipe Reservoir (is provided with reservoir) outside sewage-treatment plant.Flow back into this partial sludge detesting by reservoir of reservoir While oxygen digestion obtains decrement, the operation that certain carbon source is conducive to follow-up system is released.Settling zone supernatant passes through Overflow weir enters continuous flow sand filter, and continuous flow sand filter will be discharged after sewage water filtration.The side that continuous flow sand-washing device passes through air lift Formula sand messy after filtering continuous flow sand filtration bottom of pond portion, which is extracted into washed-out sand tank, to be cleaned, and is returned after having cleaned by gravity From sand filter, the cleaning of gravel is realized.Washed-out sand water enters setting pot by washed-out sand water discharge spout, can pass through gas after precipitating It proposes mode washed-out sand water is flowed back into regulatory region and handle again.Thus ensured system stable water outlet up to GB18918-2002 mono- Reduce while grade A standard and manually changes clothes gravel.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (2)

1. a kind of integrated rural sewage-treatment plant, including basket grid, blender, intake pump, air lift system, regulatory region, Anoxic zone, the first area SND, the 2nd area SND, the area Xiao Yang, settling zone and the continuous flow sand filtration that continuous flow sand-washing device is arranged inside Pond;It is characterized by: the intake pump is connect by water inlet pipe with regulatory region, the basket grid is set to the outlet of water inlet pipe End;The blender is set in anoxic zone;First area SND bottom is provided with the first micro-hole aerator, the first SND First circulation air stripper of the setting for muddy water circulation in area;2nd area SND bottom is provided with the second micro-hole aerator, institute State second circulation air stripper of the setting for muddy water circulation in the 2nd area SND;The lower part and anoxic zone top of the regulatory region connect It is logical;The anoxic zone top is connected to the first area SND lower part;It is connected between first area SND and the 2nd area SND with grid; It is connected between 2nd area SND and the area Xiao Yang with grid;Top is connected between the area Xiao Yang and settling zone;The settling zone It is connected to by overflow weir with continuous flow sand filter;Drainpipe is arranged in continuous flow sand filter top;The regulatory region is by going out Water pipe is connected to the first area SND and the 2nd area SND respectively;The area Xiao Yang is connected to by nitrification liquid return pipe with anoxic zone;Institute The bottom for stating settling zone is connected to by activity sludge reflux pipe with anoxic zone;The anoxic zone, the first area SND, the 2nd area SND, The bottom in the area Xiao Yang, settling zone and continuous flow sand filter is provided with sewage pipe;The air lift system is by pipeline respectively with the One micro-hole aerator, first circulation air stripper, the second micro-hole aerator, second circulation air stripper, nitrification liquid return pipe, activity are dirty Continuous sand filter connection in mud return pipe and continuous flow sand filter.
2. integrated rural sewage-treatment plant according to claim 1, it is characterised in that: it further includes setting pot;It is described The washed-out sand water discharge spout of continuous flow sand filter is connect with setting pot.
CN201821923106.9U 2018-11-21 2018-11-21 A kind of integrated rural sewage-treatment plant Active CN209226783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821923106.9U CN209226783U (en) 2018-11-21 2018-11-21 A kind of integrated rural sewage-treatment plant

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Application Number Priority Date Filing Date Title
CN201821923106.9U CN209226783U (en) 2018-11-21 2018-11-21 A kind of integrated rural sewage-treatment plant

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CN209226783U true CN209226783U (en) 2019-08-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573835A (en) * 2020-05-15 2020-08-25 浙江开创环保科技股份有限公司 Vertical type anti-variability sewage treatment device and treatment process
CN111847774A (en) * 2020-07-10 2020-10-30 珠海九通水务股份有限公司 Application method of mud-water separation tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111573835A (en) * 2020-05-15 2020-08-25 浙江开创环保科技股份有限公司 Vertical type anti-variability sewage treatment device and treatment process
CN111847774A (en) * 2020-07-10 2020-10-30 珠海九通水务股份有限公司 Application method of mud-water separation tank

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