CN106587336A - Sewage treatment apparatus - Google Patents
Sewage treatment apparatus Download PDFInfo
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- CN106587336A CN106587336A CN201510666371.8A CN201510666371A CN106587336A CN 106587336 A CN106587336 A CN 106587336A CN 201510666371 A CN201510666371 A CN 201510666371A CN 106587336 A CN106587336 A CN 106587336A
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- Prior art keywords
- aeration
- sewage
- oxygen
- gas
- oxygen pond
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- 239000010865 sewage Substances 0.000 title claims abstract description 53
- 238000011282 treatment Methods 0.000 title claims abstract description 25
- 238000005273 aeration Methods 0.000 claims abstract description 111
- 239000007789 gas Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 239000002912 waste gas Substances 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 238000001556 precipitation Methods 0.000 claims abstract 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 85
- 239000001301 oxygen Substances 0.000 claims description 85
- 229910052760 oxygen Inorganic materials 0.000 claims description 85
- 239000010802 sludge Substances 0.000 claims description 36
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 31
- 238000004062 sedimentation Methods 0.000 claims description 18
- 239000002689 soil Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 13
- 241001148470 aerobic bacillus Species 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000000746 purification Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Activated Sludge Processes (AREA)
Abstract
The present invention discloses a sewage treatment apparatus, which comprises a shell, wherein a sewage chamber for regulating the water quality and the water amount, a gas storage chamber for storing gas, an aeration pool group and a precipitation pool are sequentially arranged in the shell from left to right, a water pump is arranged in the sewage chamber and is connected to a first-stage aeration pool through a water pipe, the gas storage chamber is provided with a gas inlet, aeration holes are respectively arranged between the gas storage chamber and the bottom portion of the aeration pool group, hollow stirring pipes are arranged in the aeration pool group, the bottom portion of the stirring pipe is sequentially provided with a stirring blade and an aeration disk, one stirring pipe end extending out of the shell is arranged on the output shaft of a stirrer, the aeration pool group and the precipitation are connected respectively through overflow ports, the overflow ports are not connected to the gas storage chamber, the top portion of the precipitation pool or a last-stage aeration pool is provided with a waste gas recovery port, the waste gas recovery port is positioned on the bottom portion of a gas collection shield on the outer portion of the shell, the gas collection shield is connected to the gas sucking end of a suction fan, the other end of the suction fan is connected to a gas conveying pipe, and the gas conveying pipe is respectively connected to each stirring pipe so as to convey gas.
Description
Technical field
The present invention relates to a kind of sewage purification treatment equipment, more particularly to a kind of sewage of employing pure oxygen aeration
Purification apparatus.
Background technology
Pure oxygen aeration activated sludge process, also known as oxygen-enriched aeration activated sludge process, in air, the content of oxygen is only 21%,
And the content in pure oxygen is 90%～95%, partial pressure of oxygen is higher than air 4.4～4.7 times, and aeration is carried out with pure oxygen,
To improve oxygen to the transmission capacity in mixed liquor.
The major advantage of pure oxygen aeration activated sludge process is as follows.
(1) coefficient of oxygen utilization is up to 80%～90%, and blast aeration system is only 10% or so.
(2) in Aeration tank, the MLSS values of mixed liquor may be up to 4000～7000mg/L, it is possible to increase Aeration tank
Volumetric loading.
(3) in Aeration tank, the SVI values of mixed liquor are relatively low, are generally lower than 100, and sludge bulking phenomenon occurs
It is less.
Main feature：
A. in pure oxygen, the intrinsic standoff ratio air of oxygen is about high 5 times, the transfer efficiency that pure oxygen aeration can be carried significantly；
B. the rate of transform of oxygen can bring up to 80-90%, and general blast aeration is only 10% or so；
C. activated sludge concentration in Aeration tank can be made to be up to 4000～7000mg/l, Aeration tank can be greatly improved
Volumetric loading；
D. excess sludge production is few, and SVI values are also low, typically the worry without sludge bulking.
Pure oxygen aeration abroad development speed be of wide application very much it is general, but China application be mainly with stone
Oily chemical industry is break-through point, is also had widely according to external experience pure oxygen aeration in terms of municipal sewage reason
Prospect, develops traditional sludge method rapidly and will there is aeration capacity is limited, and processing equipment is huge etc. with economical
It is not enough.Due to pure oxygen pressure higher than oxygen in air partial pressure, pure oxygen aeration is remarkably improved the transfer rate of oxygen,
The deficiency of traditional activated sludge process can obviously improve using pure oxygen aeration.
Pure oxygen aeration activated sludge process is in traditional activated sludge process in the sixties in 19th century by western countries
On the basis of a kind of high-efficiency sewage processing method for growing up.In US and European, pure oxygen technology is successfully used
In city and Industrial Waste Water Treatments, the transformation for setting up Xin Chang and old factory amounts to more than 500 project.Carrying
High sewage discharge water quality, the disposal ability that increases, raising motility, reducing energy consumption and reduction surplus sludge volume side
Face, these projects achieve good effect.
Existing municipal sewage plant of China more than 95% uses common aerating activated sludge process, there is work
Journey cost is high, floor space is big, not anti impulsion load, high energy consumption, high excess sludge production the problems such as.This
Outward, what the current Some Parts of Wastewater Treatment Plants overload operation of China, and China was newly promulgated《Town sewage
Factory's pollutant emission standard》(GB18918-2002) on July 1st, 2003
Come into effect, the clear stipulaties more strict nitrogen of municipal wastewater treatment plant, phosphorus discharge standard, original municipal sewage
Treatment plant faces the problem that further transformation improves Effluent criteria.Therefore, the pure oxygen aeration of air is replaced with pure oxygen
Method is more and more paid close attention to by people.
It is exactly that the aeration first having mainly has two kinds to have again, and one kind is to access aeration head by pipeline by gas to expose
Gas；Another kind is to be in charge of direct aeration by aeration plate or aeration.Both approaches are set large-scale applying
All exist when standby cannot fully when sludge be very sufficiently mixed with waste water and cannot be greatly improved in water and contained
Oxygen amount is improving the defect of the activity of aerobic bacteria.Particularly after equipment stops supply, just without oxygen in water
Source of the gas, aerobic bacteria can be made as oxygen is not enough under activity and reproduction speed, greatly have impact at sewage
The efficiency of reason.
Have again be exactly at present mostly using the gas after the completion of open aeration, i.e. aeration mostly directly discharge and
Do not take recycling, using the equipment of high-purity oxygen aeration be also at last just thus, this can cause compared with
The big wasting of resources.
Therefore inventor think to design it is a kind of still have enough oxygen after supply is stopped for aerobic bacteria consumption,
And during aeration, make sludge be very necessary with the well-mixed sewage-treatment plant of sewage.
The content of the invention
In view of the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of sewage
Processing meanss, its can fully aeration, greatly improve water oxygen level, and gas can also be reclaimed
Recycle.
For achieving the above object, the invention provides a kind of sewage-treatment plant, including housing, described shell
It is sequentially provided with from left to right in vivo：For the soil chamber of the regulating water quality water yield, the air storing cavity for depositing gas,
Aeration tank group, sedimentation tank；
Described Aeration tank group includes that chopped-off head exposes oxygen pond, middle part and exposes oxygen pond, final stage exposure oxygen pond；
Water pump is installed in described soil chamber, described water pump is connected gas transmission with chopped-off head Aeration tank by water pipe；
Described air storing cavity is provided with air inlet；Described air storing cavity and chopped-off head expose oxygen pond, middle part expose oxygen pond,
Final stage to expose and be respectively equipped with the first solarization air cap and the second solarization air cap between oxygen bottom of pond portion；
Described chopped-off head exposes oxygen pond, middle part and exposes oxygen pond, final stage and is mounted on hollow stirring pipe in exposing oxygen pond,
Described stirring bottom of the tube is sequentially installed with stirring vane and aeration plate from top to bottom；
Described stirring pipe is stretched out one end of housing and is arranged on the output shaft of agitator；
Described chopped-off head exposes oxygen pond, middle part and exposes oxygen pond, final stage and exposes and pass through between oxygen pond, sedimentation tank respectively first
Overfall, the second overfall, the connection of the 3rd overfall, described the first overfall, the second overfall, the
Three overfalls are not connected with air storing cavity；
Described sedimentation tank or final stage to expose and be provided with waste gas recovery mouth, described waste gas recovery mouth position at the top of oxygen pond
In the gas skirt bottom of hull outside, described gas skirt is connected with air exhauster suction end, described air exhauster
The other end is connected with appendix, and described appendix connects with each stirring pipe respectively.
Further, described middle part exposes oxygen pond and is at least one.
Further, it is additionally provided with described soil chamber for filtering the grid chamber of impurities in water, described lattice
Grid is housed in grid chamber.
Further, Non-return air valve is installed on described air inlet.
Further, discharge outlet, bottom are additionally provided with described sedimentation tank and are provided with discharge pipeline, described spoil disposal
Pipe is connected with house steward, and described house steward one end is connected with the mud return line for being arranged on chopped-off head Aeration tank, another
Hold as unnecessary sludge outlet side.
Preferably, described house steward is respectively equipped with sludge reflux valve and spoil disposal on the both sides with discharge pipeline junction
Valve.
Further, described aeration plate can be replaced by aeration tube or aeration head.
Further, described sedimentation tank and final stage expose and be provided with waste gas recovery mouth at the top of oxygen pond.
Preferably, pure oxygen of the described aeration source for oxygen content 90%～95%.
Further, during use, the air pressure of the first described solarization air cap and the second solarization air cap is more than which in aeration
The hydraulic pressure of Chi Zuzhong.
The invention has the beneficial effects as follows：
A., respectively along tank body segmentation injection aeration chamber, organic loading distribution is more balanced, improves keeping for pure oxygen
Contradiction between speed and aerobic speed, advantageously reduces energy consumption；
B. waste water segmentation injection, improves the adaptability of Aeration tank impact load.
C. the also tail gas containing pure oxygen in the waste gas discharged, is recycled into each oxygen aeration chamber, is entered by air exhauster
One step improves content in water, and has carried out recycling to resource.
D. the activated sludge concentration in mixed liquor is gradually reduced along pond length, and the sludge for going out to flow mixed liquor is relatively low, subtracts
The load of light secondary sedimentation tank, is conducive to improving secondary sedimentation tank solid, liquid separating effect.
Description of the drawings
Fig. 1 is a kind of structural representation of sewage-treatment plant specific embodiment of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Referring to Fig. 1, a kind of sewage-treatment plant, including housing 25, in described housing 25 from left to right according to
It is secondary to be provided with：For the soil chamber 26 of the regulating water quality water yield, the air storing cavity 3 for depositing oxygen, Aeration tank group,
Sedimentation tank 13；
Described Aeration tank group includes that chopped-off head exposes oxygen pond 4, middle part and exposes oxygen pond 19, final stage exposure oxygen pond 17, described
To expose oxygen pond 19 can be multiple at middle part；
It is additionally provided with described soil chamber 26 for filtering the grid chamber 28 of impurities in water, described grid chamber
Grid 1 is housed in 28, needs to first pass through 1 mistake of grid in grid chamber 28 when sewage flows into soil chamber 26
After comparing thick impurity in filtering water, Jing grid chambers discharge outlet 27 enters sewage in soil chamber 26 again；
Water pump 24 is installed in described soil chamber 26, described water pump 24 is by water pipe 2 and chopped-off head aeration
Pond 4 connects, and during use, water pump 24 can be evacuated to the sewage in cesspool 26 in chopped-off head Aeration tank 4；
Described air storing cavity 3 is provided with air inlet 31, is provided with Non-return air valve, makes on described air inlet 31
Used time can be by Non-return air valve to fill oxygen in air storing cavity 3；
Described air storing cavity 3 and chopped-off head expose oxygen pond 4, middle part and expose between 17 bottom of oxygen pond 19, final stage exposure oxygen pond
The first solarization air cap 21 and the second solarization air cap 211 are respectively equipped with, oxygen during use in air storing cavity 3 can pass through
First solarization air cap 21 and the second solarization air cap 211 enter chopped-off head and expose oxygen pond 4, middle part exposure oxygen pond 19, final stage exposure oxygen
Aeration in pond 17；
Described chopped-off head exposes during oxygen pond 4, middle part exposes oxygen pond 19, final stage exposure oxygen pond 17 and is mounted on hollow stirring
Pipe 6 is mixed, described 6 bottom of stirring pipe is sequentially installed with stirring vane 18 and aeration plate 20 from top to bottom；
Described stirring pipe 6 is stretched out one end of housing 25 and is arranged on the output shaft of agitator 5, and described stirs
It can be motor to mix device 5；
Between described chopped-off head is exposed at the top of the exposure oxygen pond 17, sedimentation tank 13 of oxygen pond 4, middle part exposure oxygen pond 19, final stage
Connected by the first overfall 101, the second overfall 102, the 3rd overfall 11 respectively, described first
Overfall 101, the second overfall 102, the 3rd overfall 11 are not connected with air storing cavity 3；
Described sedimentation tank 13 is exposed with final stage and be provided with waste gas recovery mouth 10, described waste gas at the top of oxygen pond 17
Corresponding 9 bottom of gas skirt outside housing 25 of recovery port 10, the gas after aeration can be returned by waste gas
Close up and 10 be collected into gas skirt 9, then by 8 suction appendix 7 of air exhauster in, described is defeated
Trachea 7 connects with each stirring pipe 6 respectively, and gas during use in appendix 7 can pass through stirring pipe 6
Endoporus is input to aeration plate 20 and carries out aeration；
Discharge outlet 12, bottom is additionally provided with described sedimentation tank 13 and is provided with discharge pipeline 15, described discharge pipeline
15 are connected with house steward 22, described 22 one end of house steward and the mud return line being arranged on chopped-off head Aeration tank 4
23 connections, the other end are unnecessary sludge outlet side, for discharging unnecessary sludge or the dirt in cleaning sedimentation tank
Thing；
Certainly house steward 22 is respectively equipped with sludge reflux valve 16 and mud valve on the both sides with 15 junction of discharge pipeline
14, for controlling the flow of sludge flowing.
This sewage-treatment plant adopts pure oxygen (oxygen of oxygen content 90%～95%) as aeration source, described
Pure oxygen is prepared using the IS-O pure oxygens equipment of live variable-pressure adsorption equipment oxygen, is entered in being then injected into air storing cavity 3
Row aeration, blast aeration mode of its operating cost less than routine, especially where electricity charge level is higher more
It is such；
Air aeration is replaced using pure oxygen (or oxygen-enriched), dissolved oxygen can neatly be adjusted according to technological requirement
Concentration, makes aeration system process have good performance.The transfer rate of motive force and oxygen of the oxygen in water is obvious
Improve, it is strong to the penetration power of activated sludge particles.As the MLSS in pure oxygen aeration pond is far above blast aeration tank,
In the case of equal sewage load, the hydraulic detention time and volume in pure oxygen aeration pond are exposed far below air blast
Gas pond.The noise of pure oxygen aeration system is far below blast aeration system, is also substantially absent from volatile organic
The gas escape of compound (VOC), reduces adverse effect of the sewage treatment plant to surrounding.
During use, the gas in air storing cavity 3 is made to fill oxygen in air storing cavity 3 by air inlet 31 first
Pressure be at least greater than the first solarization air cap 21 and the second solarization air cap 211 at hydraulic pressure, then switch on the pump 24
By in sewage suction chopped-off head Aeration tank 4, arbitrary Aeration tank that sewage is entered in Aeration tank group can all be passed through
Solarization air cap and aeration plate double aeration, this mode can not only greatly improve the oxygen content in water, but also
Larger current can be produced to the sewage of aeration together with stirring vane 18, this current further can increase
The sludge in dissolved oxygen amount and agitation Aeration tank in water is sufficiently mixed reaction with sewage, improves the process effect of sewage
Rate；
And the sewage of each Aeration tank can enter next by overfall after aeration in Aeration tank group
Aeration tank, forms aeration step by step；Aeration rate under this mode per one-level be it is the same, but in the backward
Sewage purification degree in Aeration tank is higher, and sludge concentration is lower, but due to oxygen content be it is the same,
Its aerobic bacteria activity, reproduction speed are also higher.Its sewage purification degree highest, dirt in final stage Aeration tank
Cement content is minimum, and the sludge that such final stage is exposed in the sewage inflow sedimentation tank in oxygen pond is also fewer, can not only
The load of sedimentation tank is enough greatly reduced, and as the aerobic bacteria activity often toward rear stage is higher, can be passed through
House steward feeds back to these aerobic bacterias to supplement the aerobic bacteria quantity in chopped-off head Aeration tank in chopped-off head Aeration tank, with
Improve the sewage treating efficiency and shock resistance, anti-overload ability of this sewage-treatment plant；
By actual motion, often supply exceed demand for the sludge produced by this device, therefore which can also be other
Device provides sludge, has reached treatment effeciency and sludge breeding potential that existing equipment cannot be reached.
After supply is stopped, as air inlet 31 employs Non-return air valve, the gas in air storing cavity may proceed to close
It is enclosed in air storing cavity, and continues to contact dissolved oxygen by solarization air cap and the sewage in Aeration tanks at different levels, this part oxygen
Gas is just able to maintain that the oxygen required for the reproduction speed and high activity of aerobic bacteria needs in sludge.Just at last because
Sewage has been flowed in air storing cavity for gas leakage, in sewage, can further increase the contact surface with oxygen in air storing cavity
Product, and then more excellent breeding environment is provided for the aerobic bacteria in sewage.It is when needing using this device, first
Pure oxygen pressurization is played toward air storing cavity first, as the sewage in air storing cavity progressively can be pushed back aeration by the pressurization of oxygen
Chi Zuzhong, the oxygen content during this in water can reach peak value, that is to say, that aerobic bacteria activity reach it is higher,
Which can improve the reaction efficiency and impact resistance of Aeration tank group after entering Aeration tank group with higher activity, no
Can there is as traditional aerator, need first aeration use after improving aerobic bacteria activity " preheating
Step ", this has just improve the treatment effeciency of this device first, secondly be also prevented from as conventional apparatus that
Sample its sewage purification degree in the firm start to process of device is extremely low, and this part of contaminated water for causing is misprinted and put or good
Needs are drawn back and are processed again, waste time and energy.
Shown by the testing result of actual motion this device, in aeration time, the volume of Aeration tank and take up an area face
Product aspect, the aeration time of pure-oxygen aeration method are generally the 1/3～1/4 of air aeration method, therefore the appearance of Aeration tank
Product also just differs 3～4 times, and the total floor space for the treatment of plant can save 20% or so；In terms of the energy, pure-oxygen aeration method
Energy consumption saves 30% or so, economic operating cost 10%～20%；The capital cost of pure-oxygen aeration method in terms of capital cost
With saving 10%～20%, sludge output lacks 30% or so, therefore this device has really purification efficiency height, small volume, builds
Advantage cheap with operating cost, that sludge output is few is made, and the more existing aerobic cleaning equipment of its structure is certain
It is fairly simple, possess preferable application prospect.
The preferred embodiment of the present invention described in detail above.It should be appreciated that the ordinary skill of this area
Personnel just can make many modifications and variations with design of the invention without the need for creative work.Therefore, it is all
Technical staff passes through logical analyses under this invention's idea on the basis of existing technology, pushes away in the art
Reason or the available technical scheme of limited experiment, all should be in the protection model being defined in the patent claims
In enclosing.
Claims (10)
1. a kind of sewage-treatment plant, including housing, is characterized in that：In described housing from left to right successively
It is provided with：For the soil chamber of the regulating water quality water yield, the air storing cavity for depositing gas, Aeration tank group, precipitation
Pond；
Described Aeration tank group includes that chopped-off head exposes oxygen pond, middle part and exposes oxygen pond, final stage exposure oxygen pond；
Water pump is installed in described soil chamber, described water pump is connected with chopped-off head Aeration tank by water pipe；
Described air storing cavity is provided with air inlet；Described air storing cavity and chopped-off head expose oxygen pond, middle part expose oxygen pond,
Final stage to expose and be respectively equipped with the first solarization air cap and the second solarization air cap between oxygen bottom of pond portion；
Described chopped-off head exposes oxygen pond, middle part and exposes oxygen pond, final stage and is mounted on hollow stirring pipe in exposing oxygen pond,
Described stirring bottom of the tube is sequentially installed with stirring vane and aeration plate from top to bottom；
Described stirring pipe is stretched out one end of housing and is arranged on the output shaft of agitator；
Described chopped-off head exposes oxygen pond, middle part and exposes oxygen pond, final stage and exposes and pass through between oxygen pond, sedimentation tank respectively first
Overfall, the second overfall, the connection of the 3rd overfall, described the first overfall, the second overfall, the
Three overfalls are not connected with air storing cavity；
Described sedimentation tank or final stage to expose and be provided with waste gas recovery mouth, described waste gas recovery mouth position at the top of oxygen pond
In the gas skirt bottom of hull outside, described gas skirt is connected with air exhauster suction end, described air exhauster
The other end is connected with appendix, and described appendix connects gas transmission with each stirring pipe respectively.
2. a kind of sewage-treatment plant as claimed in claim 1, is characterized in that：Described middle part exposes oxygen pond
At least one.
3. a kind of sewage-treatment plant as claimed in claim 1, is characterized in that：In described soil chamber also
It is provided with for filtering the grid chamber of impurities in water, grid is housed in described grid chamber.
4. a kind of sewage-treatment plant as claimed in claim 1, is characterized in that：Pacify on described air inlet
Equipped with Non-return air valve.
5. a kind of sewage-treatment plant as claimed in claim 1, is characterized in that：On described sedimentation tank also
Be provided with discharge outlet, bottom and be provided with discharge pipeline, described discharge pipeline is connected with house steward, described house steward one end with
The mud return line connection of chopped-off head Aeration tank is arranged on, the other end is unnecessary sludge outlet side.
6. a kind of sewage-treatment plant as claimed in claim 5, is characterized in that：Described house steward with row
The both sides of mud pipe junction are respectively equipped with sludge reflux valve and mud valve.
7. a kind of sewage-treatment plant as claimed in claim 1, is characterized in that：Described aeration plate can be with
It is replaced by aeration tube or aeration head.
8. a kind of sewage-treatment plant as claimed in claim 1, is characterized in that：Described sedimentation tank and end
Level exposes and be provided with waste gas recovery mouth at the top of oxygen pond.
9. a kind of sewage-treatment plant as described in claim 1-8 is arbitrary, is characterized in that：Described aeration
Pure oxygen of the source for oxygen content 90%～95%.
10. a kind of sewage-treatment plant as described in claim 1-9 is arbitrary, is characterized in that：During use,
The air pressure of the first described solarization air cap and the second solarization air cap is more than its hydraulic pressure in Aeration tank group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666371.8A CN106587336A (en) | 2015-10-15 | 2015-10-15 | Sewage treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666371.8A CN106587336A (en) | 2015-10-15 | 2015-10-15 | Sewage treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106587336A true CN106587336A (en) | 2017-04-26 |
Family
ID=58553334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510666371.8A Pending CN106587336A (en) | 2015-10-15 | 2015-10-15 | Sewage treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106587336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573899A (en) * | 2020-05-28 | 2020-08-25 | 新昌县伯澜环保科技有限公司 | Industrial sewage treatment equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2301395A1 (en) * | 1972-01-20 | 1973-07-26 | Air Prod & Chem | METHOD AND DEVICE FOR TREATMENT OF WASTE WATER |
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| CN111573899B (en) * | 2020-05-28 | 2022-04-29 | 日照悦兴化工有限公司 | Industrial sewage treatment equipment |
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