CN207158896U - A kind of duct type activated sludge biochemical system - Google Patents
A kind of duct type activated sludge biochemical system Download PDFInfo
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- CN207158896U CN207158896U CN201721008857.3U CN201721008857U CN207158896U CN 207158896 U CN207158896 U CN 207158896U CN 201721008857 U CN201721008857 U CN 201721008857U CN 207158896 U CN207158896 U CN 207158896U
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- settling vessel
- activated sludge
- circulating line
- duct type
- vessel body
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- 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
Abstract
It the utility model is related to active sludge biochemical device technical field, more particularly to a kind of duct type activated sludge biochemical system.The duct type activated sludge biochemical system includes active sludge intermixture circulating line, some settling vessels and some oxygen supply pipelines are respectively equipped with the active sludge intermixture circulating line, wherein described settling vessel includes settling vessel body, the settling vessel body is hollow back taper cylinder, guide shell is provided with the settling vessel body, the guide shell is provided with upper cover, the top of the upper cover passes through the upper surface of the settling vessel body, gas vent is provided with the top of the upper cover, effluent weir is provided with the upper surface of the settling vessel body.Duct type activated sludge biochemical system described in the utility model, system easily can be embedded in underground, system pipeline can freely be set with hypsography, construction more convenient to install, significantly saving construction cost, dissolved oxygen can be effectively utilized, improve oxygen-transfer efficiency.
Description
Technical field
It the utility model is related to active sludge biochemical device technical field, more particularly to a kind of duct type activated sludge biochemical
System.
Background technology
At present, conventional active sludge biochemical device is generally pond body or tank body, inside sets aeration head, and air blast is carried out to sewage
On the one hand supply, the effect of aeration head are the air blast into pond, be on the one hand activated sludge is suspended in water, make activated sludge and
Water, air are sufficiently mixed, so that the microorganism in activated sludge can fully and organic pollutants and air contact make
Microorganism is degraded the organic matter in sewage under aerobic conditions.But existing active sludge biochemical device, the exposure in aeration tank
Gas enters from bottom, is overflowed from pool surface, general 5 meters or so of bubble upward stroke, and gas residence time of ducking in drink is generally less than 1
Minute, oxygen utilization rate is relatively low, thus oxygen is difficult to fully be utilized by microorganism, and aeration efficiency is higher than traditional aeration tank, and
Single unit system installation is complicated difficult, and construction costs is higher.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of duct type activated sludge biochemical system, the existing activated sludge life of solution
The problem of existing aeration efficiency is low, and construction costs is high, is put in makeup.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of duct type activated sludge biochemical system, including
Active sludge intermixture circulating line, some settling vessels and some are respectively equipped with the active sludge intermixture circulating line
Oxygen supply pipeline, wherein described some oxygen supply pipeline intervals are arranged on the active sludge intermixture circulating line, each institute
The bottom for stating settling vessel is connected by trunnion with the active sludge intermixture circulating line respectively；The settling vessel includes heavy
Shallow lake device body, the settling vessel body are hollow back taper cylinder, and guide shell is provided with the settling vessel body, described to lead
Flow cartridge is provided with upper cover, and the top of the upper cover passes through the upper surface of the settling vessel body；Wherein on the top of the upper cover
Provided with gas vent, effluent weir is provided with the upper surface of the settling vessel body.
Further, the active sludge intermixture circulating line passes through sewage water inlet pipe and scattered sewer collecting pit phase
Even, it is provided with the sewage water inlet pipe and dissipates sewer water collecting pump.
Further, circulating pump is provided with the active sludge intermixture circulating line, is controlled by the circulating pump
Mixed liquor in the active sludge intermixture circulating line is with 0.5m/s~1.5m/s flow rate.
Further, mud extraction sand-removal device is provided with the active sludge intermixture circulating line.
Further, air blower is provided with the oxygen supply pipeline.
Specifically, the upper cover is hollow truncated cone-shaped cylinder.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the following advantages that：
Duct type activated sludge biochemical system provided by the utility model, using active sludge intermixture circulating line conduct
The main body of activated sludge biochemical system, wherein active sludge intermixture circulating line can easily be embedded in underground, so as to
Can be by Ground Application in the setting of landscape planting, and described circulating line can freely be set with hypsography, without
As traditional aeration tank must assure that floor level, construction is easily installed.And the utility model passes through in described circulating line
Some oxygen supply pipelines of connection at upper interval so that be aerated in direct branch injection circulating line, air is in whole pipeline with water
Stream circulates, and aeration is more efficient, ensure that sludge, sewage, air can be sufficiently mixed in the duct, so as to
Realize the abundant contact of three, and need not as traditional aeration tank to aeration head be uniformly distributed and installation level has sternly
Lattice require, thus the simpler convenience of installation, significantly saving construction cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment duct type activated sludge biochemical system；
Fig. 2 is the structural representation of settling vessel in the utility model embodiment duct type activated sludge biochemical system；
Fig. 3 is the utility model embodiment duct type activated sludge biochemical systematic difference schematic diagram.
In figure：1：Active sludge intermixture circulating line；2：Settling vessel；21：Settling vessel body；3：Mud extraction sand-removal device；
4：Circulating pump；5：Air blower；6：Upper cover；7：Guide shell；8：Effluent weir；9：Trunnion；10：Dissipate sewer collecting pit；11：Dissipate blowdown
Water water collecting pump；12：Oxygen supply pipeline；13：Sewage water inlet pipe；14：River course to be administered.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
As Figure 1-3, the utility model embodiment provides a kind of duct type activated sludge biochemical system, including activity dirt
Mud mixed liquor circulating line 1, the mixed liquor of activated sludge can carry out recycle stream in active sludge intermixture circulating line 1
It is dynamic.
Wherein, some oxygen supply pipelines 12 are provided with active sludge intermixture circulating line 1, some oxygen supply pipelines 12 are spaced
Be arranged on active sludge intermixture circulating line 1, air blower 5 is provided with oxygen supply pipeline 12, to pass through oxygen supply pipeline
12 supply oxygen into active sludge intermixture circulating line 1.
In whole active sludge intermixture circulating line 1, activated sludge, dirty water and air three mixed liquor can be
Under 1m/s or so flow velocity realize be sufficiently mixed, therefore can replace traditional active sludge pond in air mix, from without
Aeration head is completely spread in whole activated sludge apparatus.Because the mixed liquor of activated sludge, dirty water and air three mixes in activated sludge
Circular flow in liquid circulating line 1 is closed, residence time of the air bubble in described circulating line 1 is up to some minutes, because
And oxygen can be utilized fully by microorganism, aeration efficiency is far above traditional aeration tank.The setting being spaced due to oxygen supply pipeline 12
Put on active sludge intermixture circulating line 1, namely by some oxygenations separately to active sludge intermixture circulation pipe
It is oxygenated in road 1, when sewage is run in whole circulating line, periodically aerobic, anoxic, anaerobic state will be presented, thus can
To form the running status similar to AAO and oxidation ditch, so as to preferable denitrogenation dephosphorizing.And entirely it is aerated facility and uses
The form of pipeline, it is aerated in direct branch injection circulating line, air is interior in whole circulating line to be flowed with water circulation, because
And need not as traditional aeration tank to aeration head be uniformly distributed and installation level has strict demand, either activated sludge
Mixed liquor circulating line 1 or oxygen supply pipeline 12, laying can be freely arranged according to landform, it is necessary without such as traditional aeration tank
Ensure floor level, thus installation is more simple and convenient than traditional aeration tank, significantly saving construction cost.
Wherein, some settling vessels 2 are provided with active sludge intermixture circulating line 1, settling vessel 2 includes settling vessel body
21, settling vessel body 21 is hollow back taper cylinder, and the bottom of settling vessel body 21 passes through trunnion 9 and active sludge intermixture
Circulating line 1 is connected.It is provided with guide shell 7 in settling vessel body 21, guide shell 7 is provided with upper cover 6, during wherein upper cover 6 is
Empty truncated cone-shaped cylinder, the top of upper cover 6 pass through the upper surface of settling vessel body 21.Gas vent is provided with the top of upper cover 6,
Effluent weir 8 is provided with the upper surface of settling vessel body 21.Activated sludge can be retained in by settling vessel 2 in pipeline 1, and incite somebody to action
Clear water after processing is discharged from the effluent weir 8 on settling vessel body 21.
Operationally, part gas and water, mud mix settling vessel 2 in the mixed liquor of circulation in active sludge intermixture circulating line 1
Close liquid by trunnion 9 to enter in settling vessel body 21, due to being entrained with a certain amount of air in mixed liquor, by guide shell 7 about
Beam mixed liquor is moved upwards, and the gas separated can be discharged into the atmosphere by the head gas outlet of upper cover 6, mixed liquor
In sludge and wastewater composition then continue to separate in the underlying space of upper cover 6, the sludge separated sinks to entering under guide shell 7
Portion space, part mixed liquor then enter guide shell 7 and the inwall of settling vessel body 21 by the gap between upper cover 6 and guide shell 7
Between space, and settling vessel body 21 is further entered by the passage between upper cover 6 and the inwall of settling vessel body 21
Top precipitation zone, in the two spaces, because gas has fully discharged, separation that sludge and sewage can be stablized, sludge
Glided along the inwall of settling vessel body 21, continue to glide together with the sludge of the internal precipitate of guide shell 7, and fall after rise by trunnion 9
Enter into active sludge intermixture circulating line 1, the clear water by clarification then drains into the outside of settling vessel 2 by effluent weir 8.
Wherein, active sludge intermixture circulating line 1 is connected by sewage water inlet pipe 13 with scattered sewer collecting pit 10,
Sewage water inlet pipe 13, which is provided with, dissipates sewer water collecting pump 11.Wherein one or more sewage water inlet pipes 13 can be arranged on active dirt
On the optional position of mud mixed liquor circulating line 1, that is, sewage can pass through in any part on described circulating line 1
Described circulating line 1 is directly injected into the presence of scattered sewer water collecting pump 11, and then is added in described circulating line 1
Mixed liquor circulation in, so as to which the distribution facility such as gate need not be set.
Wherein, circulating pump 4 is provided with active sludge intermixture circulating line 1, mixed liquor is in described circulating line 1
The circulating pump 4 that cycles through realize, in the presence of circulating pump 4, can control mixed liquor in described circulating line 1 with
0.5m/s~1.5m/s flow rate, it thereby may be ensured that activated sludge, dirty water and air can keep abundant in the duct
The state of mixing thereby may be ensured that good treatment effect without three phase separation occurs.
Wherein, mud extraction sand-removal device 3 is provided with the active sludge intermixture circulating line 1, mixed liquor passes through mud extraction
During sand-removal device 3, can get off the heavier particle of entrainment and appropriate sludge settling simultaneously discharge system, so as to avoid being
System is excessively deposited by silt.
Duct type activated sludge biochemical system described in the utility model embodiment, can be used for conventional sewage plant construction,
Black and odorous water can also be applied to administer.If as shown in figure 3, system described in the utility model is built in river course 14 to be administered
Side, the edge in river course 14 to be administered can be made full use of, active sludge intermixture circulating line is laid along landform, and can
Directly to store scattered blowdown water source on the way, it is not necessary to roughing-in in addition.In this way, occupation of land can significantly be saved.
Because in system described in the utility model, each pipeline is laid using buried mode, top can also as greening, pool, because
And landscape can be turned into.Compared to existing full underground sewage factory, the duct type activated sludge described in the utility model embodiment
Biochemical system can significantly save construction costs, and compared to the biochemical treatment facility of existing activated sludge process, this reality
It is also very cheap with new cost.
In summary, duct type activated sludge biochemical system described in the utility model, is followed using active sludge intermixture
Main body of the endless tube road as activated sludge biochemical system, easily can be embedded in underground by system, so as to by ground
Applied to the setting of landscape planting, and described circulating line can freely be set with hypsography, is aerated without such as tradition
Pond must assure that floor level, construction more convenient to install, significantly saving construction cost.
Duct type activated sludge biochemical system described in the utility model, dissolved oxygen can be effectively utilized, improve oxygenation
Efficiency, for orographic condition is relative complex, exhaust emission source is more scattered river course etc., the utility model enables in particular to embody its cloth
Put the characteristics of flexible, easy to install.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (6)
- A kind of 1. duct type activated sludge biochemical system, it is characterised in that：Including active sludge intermixture circulating line, the work Some settling vessels and some oxygen supply pipelines are respectively equipped with property mud mixed liquid circulating line, wherein described some oxygen supplying tubes Road interval is arranged on the active sludge intermixture circulating line, and the bottom of each settling vessel passes through trunnion and institute respectively Active sludge intermixture circulating line is stated to be connected；The settling vessel includes settling vessel body, and the settling vessel body is hollow Back taper cylinder, guide shell is provided with the settling vessel body, the guide shell is provided with upper cover, the top of the upper cover Through the upper surface of the settling vessel body；Gas vent wherein is provided with the top of the upper cover, in the settling vessel body Upper surface be provided with effluent weir.
- 2. duct type activated sludge biochemical system according to claim 1, it is characterised in that：The active sludge intermixture Circulating line is connected by sewage water inlet pipe with scattered sewer collecting pit, and scattered sewer is provided with the sewage water inlet pipe and is catchmented Pump.
- 3. duct type activated sludge biochemical system according to claim 1, it is characterised in that：Mixed in the activated sludge Liquid circulating line is provided with circulating pump.
- 4. duct type activated sludge biochemical system according to claim 1, it is characterised in that：Mixed in the activated sludge Liquid circulating line is provided with mud extraction sand-removal device.
- 5. duct type activated sludge biochemical system according to claim 1, it is characterised in that：Set on the oxygen supply pipeline There is air blower.
- 6. duct type activated sludge biochemical system according to claim 1, it is characterised in that：The upper cover is hollow circle Platform shape cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008857.3U CN207158896U (en) | 2017-08-11 | 2017-08-11 | A kind of duct type activated sludge biochemical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008857.3U CN207158896U (en) | 2017-08-11 | 2017-08-11 | A kind of duct type activated sludge biochemical system |
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| Publication Number | Publication Date |
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| CN207158896U true CN207158896U (en) | 2018-03-30 |
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| CN201721008857.3U Active CN207158896U (en) | 2017-08-11 | 2017-08-11 | A kind of duct type activated sludge biochemical system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445293A (en) * | 2017-08-11 | 2017-12-08 | 浦华环保股份有限公司 | A kind of duct type activated sludge biochemical system |
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- 2017-08-11 CN CN201721008857.3U patent/CN207158896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445293A (en) * | 2017-08-11 | 2017-12-08 | 浦华环保股份有限公司 | A kind of duct type activated sludge biochemical system |
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