Utility model content
This utility model overcomes the deficiencies in the prior art, there is provided a kind of integrated sewage disposal water cleaning systems.
To solve above-mentioned technical problem, this utility model is employed the following technical solutions:
A kind of integrated sewage disposal water cleaning systems, including anaerobic pond, anoxic pond, biological contact oxidation pond and precipitation
Pond;The anaerobic pond is connected with the anoxic pond by guiding device;The anoxic pond is connect with the biology by guiding device
Tactile oxidation pond connection;The biological contact oxidation pond is connected with the sedimentation tank by guiding device;The bio-contact oxidation
Reflux is provided with pond, the reflux is connected with the anoxic pond.
Further technical scheme is also to include sterilization pool, and the sedimentation tank is connected with the sterilization pool by guiding device
Connect.
Further technical scheme is to be provided with aerator in the biological contact oxidation pond.
Further technical scheme is that aspirator is provided with the biological contact oxidation pond, the aspirator with
The sterilization pool connection.
Further technical scheme is that the aerator is rotary mixing type aerator.
Further technical scheme is that the sedimentation tank bottom is provided with precipitation aspirator, and the sedimentation tank top sets
Supernatant reflux is equipped with, the supernatant reflux is connected with the anaerobic pond.
Further technical scheme is that the biological contact oxidation pond includes membrane biological reaction pond.
Further technical scheme is that the entrance of the anaerobic pond is provided with mechanical grille defecator.
Further technical scheme is to be provided with decontaminating apparatuss in the sterilization pool.
Further technical scheme is also included for controlling the PLC control system of waste water processes.
Compared with prior art, one of beneficial effect of this utility model embodiment is:This utility model compact conformation, outward
Shape is smaller;Flow process is simple, does not need additional carbon and rear Aeration tank, with raw sewage as carbon source, builds and operating cost is relatively low;
Denitrification is nitrified rear front, if interior circulation, using the organic substrates in raw sewage as carbon source, effect is good, and anti-nitration reaction fills
Point;Aeration tank makes denitrification residue further be removed rear, improves process water water quality;A sections are stirred, and only rising makes dirt
Mud suspends, and avoids the increase of DO.The leading portion of O sections adopts strong aeration, back segment to reduce tolerance, drop the DO contents of interior circulation liquid
It is low, to ensure the anaerobic condition of A sections.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can be replaced by other equivalent or alternative features with similar purpose.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Below in conjunction with the accompanying drawings and embodiment is described in detail to specific embodiment of the present utility model.
As shown in figure 1, according to one embodiment of the present utility model, it is net that the present embodiment discloses a kind of integrated sewage disposal
Water system, the integrated sewage disposal water cleaning systems are convenient to be built, it is not necessary to complicated civil engineering.
Specifically, the present embodiment integrated sewage disposal water cleaning systems include:Anaerobic pond 1, anoxic pond 2, biological contact oxidation
Change pond 3 and sedimentation tank 4;The anaerobic pond is connected with the anoxic pond by guiding device;The anoxic pond is filled by water conservancy diversion
Put and be connected with the biological contact oxidation pond;The biological contact oxidation pond is connected with the sedimentation tank by guiding device;Institute
State, the reflux is connected with the anoxic pond.Preferably, in biology
Aerator 7 is provided with contact-oxidation pool.
Further, also including sterilization pool 5, sedimentation tank is connected with the sterilization pool by guiding device.Biological contact oxidation
Change in pond 3 and be provided with aspirator 9, the aspirator 9 is connected with the sterilization pool 5.Specifically, aspirator 9 is by arranging
Conduit and the vacuum meter connected with conduit, self-priming that defecator in biological contact oxidation pond is connected with defecator
Pump, regulating valve and effusion meter composition.
The present embodiment integrated sewage disposal water cleaning systems also include PLC control system, what the process data of the system was leaned on
It is that PLC program is run according to technological principle, high degree of automation, control are reasonable.
As preferred embodiment, when sewage enters anaerobic pond, mechanical grille is set in the entrance location of anaerobic pond
Defecator 8 is filtered to sewage.
In the present embodiment, anaerobic pond includes hydrolysis acidification pool, and it is exactly pre- to carrying out before sewage disposal that technique master is to be processed
Process, the waste water in water is carried out into certain anaerobic fermentation, the biodegradability of sewage is improved, this is to comparing before sewage disposal
Important step, can directly affect the efficiency and process time of the sewage disposal in later stage, can greatly at the raising sewage of degree
The efficiency of reason and reduction are consumed.
In the present embodiment, biological contact oxidation pond is divided into several grades, plain edition according to the pollution level difference of water process
With it is reinforced.The time for being typically based on process is judged.Process time is not more than four hours and just uses medium-sized oxidation
Pond, the reinforced oxidation pond of use of the process time between 4-6 hours.Mainly it is flow to using hydrolysis acidification pool water outlet certainly and is connect
Tactile oxidation pond carries out biochemical treatment.In raw sewage, most of Organic substance here is degraded and is purified, and aerobic bacteria is with filler to carry
Body, is foodstuff using the Organic substance in sewage, the Organic substance in sewage is resolved into inorganic salts, so as to reach purification purpose.
The existence of aerobic bacteria, it is necessary to have enough dissolved oxygen in having enough oxygen, i.e. sewage, to reach the purpose of biochemical treatment.It is good
Oxygen pond air is provided by blower fan, adopts novel elastic 3-D filler in the pond in, the filler surface area ratio greatly, it is long service life, easy to hang
Film, corrosion-resistant, bottom of pond adopts rotary mixing aerator, makes the rate of transform of dissolved oxygen high, at the same have it is lightweight, not aging, be difficult to block up
The advantages of plug, long service life.Contact chamber gas-water ratio is 12:1 or so.(0.5-5m3/h contact chambers are two grades).
Sewage water outlet gravity flow after biological contact oxidation pond process enters sedimentation tank, and further precipitation removes the life for coming off
Thing film and part is organic and inorganic little particle, sedimentation tank is the principle according to action of gravity, when the sewage containing float is under
When up flowing, by action of gravity, species precipitate is got off.Sedimentation tank top sets adjustable effluent weir, with adjusting water outlet water level;Under
Portion sets taper settling zone and sewage sludge gas device, and source of the gas is provided by blower fan, and sludge is delivered to sludge aerobic using stripping regime and disappears
Change pond.
The discharged excess sludge of sedimentation tank carries out aerobic sigestion stabilized treatment in pond, to reduce volume and the raising of sludge
The stability of sludge.Sludge quantity after aerobic sigestion is less, can reach sludge from the inspection hole of sludge-tank with fecal suction truck during cleaning
By bottom of pond portion is transported outward after being aspirated (half a year clears up once).Sludge aerobic digester top sets supernatant reflux, makes
Supernatant overflow is to hydrolysis acidification pool.
In the present embodiment, sterilization pool presses Gui Fan «TJ14-74&raquo is operated;Standard is 30 minutes, if hospital
Sewage, sterilization pool increase the time of staying to 1-1.5 hours.My company adopts chlorine dioxide disinfecting device, sterilization pool and sterilization dress
Put and chemical feeding quantity can constantly be changed according to water yield size, reach many dosings of multi-effluent, the purpose of the few dosing of water outlet, needs other less
Device separately can be prepared.(as being used for trade effluent, sterilization pool and decontaminating apparatuss can be with should not.)
Specifically, the operation principle of the present embodiment integrated sewage disposal water cleaning systems is as follows:
Centralized collection and the sewage that comes initially enters anaerobic pond in sewage disposal system, sewage completes water in the anaerobic pond
Solution acidization, product acetic acid process.By hydrolysis and acidization, the biodegradability of raw sewage is improved, it is follow-up anti-so as to reduce
The time answered and the energy consumption for processing.
Anoxic pond is entered through the sewage of anaerobic pond process.Using facultative microbe come the dirt in degrading waste water in anoxic pond
Dye thing.From Aerobic Pond backflow nitrification liquid contain certain dissolved oxygen, change the oxyty in sewage, make sewage formed compared with
Good anaerobic environment, it is anti-that the Organic substance that denitrifying bacterium is enriched in anoxic pond is using the new sewage for entering carries out denitrification as carbon source
Should, a large amount of NO3-N and NO2-N in backflow mixed liquor are reduced to into N2 and are discharged to air, realize the denitrogenation of sewage.
Then sewage enters biological contact oxidation pond, and further degraded is carried out to the Organic substance in sewage.It is designed with
Operation of the biological contact oxidation process in biomembrance process as Aerobic Process for Treatment.Biological contact oxidation process is also known as submerged biological filter
Pond, is the activated sludge process biomembrance process compound with biofilter, is provided with filler, biomembrane, Jing Guoren are covered with filler in pond
The sewage of work aeration flows through filler in pond with certain flow velocity, by with biomembranous continuous contact, in the presence of biomembrane,
Sewage is purified.In biological contact oxidation pond, appropriate aeration is carried out to sewage in pond by aerator, in biological
Aerobic treatment is carried out in oxidation pond.In aerobic treatment, Organic substance by the further biochemical degradation of microorganism, concentration after
It is continuous to decline;Ammonia nitrogen is nitrified, the significant decline of NH3-N concentration, and with the carrying out of nitrifying process, in sewage, the concentration of NO3-N increases;
In activated sludge, polyP bacteria a large amount of phosphorus absorbed in sewage under aerobic condition, change into insoluble poly orthophosphate it and exist
It is stored up in vivo, the purpose that excess sludge reaches system dephosphorization is discharged by sedimentation tank afterwards.
After contacting aerobic reaction, the Organic Pollutants in sewage are cleared up substantially by microorganism, into precipitation
Pond is precipitated, and removes the particle in sewage using gravitational settling from water, reduces the concentration of float in sewage.
Sewage enters qualified discharge after the antibacterials such as sterilization pool, the coliform in killing sewage afterwards.
The present embodiment integrated sewage disposal water cleaning systems compact conformation, overall dimensions are less;Sewage disposal purification process
Simply, without the need for additional carbon and rear Aeration tank, with raw sewage as carbon source, build and operating cost is relatively low.
" one embodiment ", " another embodiment ", " embodiment " for being spoken of in this manual etc., refers to combine
Specific features, structure or the feature that the embodiment is described is included at least one embodiment of the application generality description.
It is not necessarily to refer to same embodiment that statement of the same race occur in multiple places in the description.Furthermore, it is understood that combining arbitrary
When individual embodiment describes specific features, structure or a feature, to be advocated is this to realize with reference to other embodiment
Feature, structure or feature also fall in the range of this utility model.
Although reference be made herein to multiple explanatory embodiments of utility model are described to this utility model, but, should
The understanding, those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will
Fall within spirit disclosed in the present application and spirit.More specifically, in disclosure, the model of drawings and claims
In enclosing, various modifications and improvement can be carried out to the building block of theme composite configuration and/or layout.Except to building block
And/or the modification that layout is carried out is with improvement outward, to those skilled in the art, other purposes also will be apparent.