CN107445293A - A kind of duct type activated sludge biochemical system - Google Patents
A kind of duct type activated sludge biochemical system Download PDFInfo
- Publication number
- CN107445293A CN107445293A CN201710685438.1A CN201710685438A CN107445293A CN 107445293 A CN107445293 A CN 107445293A CN 201710685438 A CN201710685438 A CN 201710685438A CN 107445293 A CN107445293 A CN 107445293A
- Authority
- CN
- China
- Prior art keywords
- settling vessel
- activated sludge
- circulating line
- duct type
- vessel body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 85
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000001301 oxygen Substances 0.000 claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000010865 sewage Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 11
- 238000005273 aeration Methods 0.000 description 18
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
- C02F3/18—Activated sludge processes using surface aeration the aerator having a horizontal axis
-
- 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
- C02F2301/04—Flow arrangements
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The present invention relates 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 of the present invention, 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
The present invention relates to active sludge biochemical device technical field, more particularly to a kind of duct type activated sludge biochemical system
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.
The content of the invention
(1) technical problems to be solved
It is an object of the invention to provide a kind of duct type activated sludge biochemical system, the existing activated sludge biochemical of solution fills
Put the problem of existing aeration efficiency is low, and construction costs is high.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of duct type activated sludge biochemical system, including activity
Mud mixed liquid circulating line, some settling vessels and some oxygen supplys are respectively equipped with the active sludge intermixture circulating line
Pipeline, wherein described some oxygen supply pipeline intervals are arranged on the active sludge intermixture circulating line, it is each described heavy
The bottom of shallow lake device is connected by trunnion with the active sludge intermixture circulating line respectively；The settling vessel includes settling vessel
Body, the settling vessel body are hollow back taper cylinder, and guide shell, the guide shell are provided with the settling vessel body
Upper cover is provided with, the top of the upper cover passes through the upper surface of the settling vessel body；Wherein it is provided with the top of the upper cover
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
The above-mentioned technical proposal of the present invention has the following advantages that：
Duct type activated sludge biochemical system provided by the invention, using active sludge intermixture circulating line as activity
The main body of sludge biochemical system, wherein active sludge intermixture circulating line can easily be embedded in underground, so as to
By Ground Application in the setting of landscape planting, and described circulating line can freely be set with hypsography, without such as biography
System aeration tank must assure that floor level, be easily installed construction.And the present invention is by being spaced on described circulating line
Some oxygen supply pipelines are set so that are aerated in direct branch injection circulating line, air is in whole pipeline with water circulation stream
Dynamic, aeration is more efficient, ensure that sludge, sewage, air can be sufficiently mixed in the duct, so as to realize three
Abundant contact, and need not as traditional aeration tank to aeration head be uniformly distributed and installation level has strict demand,
The thus simpler convenience of installation, significantly saving construction cost.
Brief description of the drawings
Fig. 1 is the structural representation of duct type activated sludge biochemical system of the embodiment of the present invention；
Fig. 2 is the structural representation of settling vessel in duct type activated sludge biochemical system of the embodiment of the present invention；
Fig. 3 is duct type activated sludge biochemical systematic difference schematic diagram of the embodiment of the present invention.
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
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As Figure 1-3, the embodiment of the present invention provides a kind of duct type activated sludge biochemical system, including activated sludge mixes
Liquid circulating line 1 is closed, the mixed liquor of activated sludge can be circulated in active sludge intermixture circulating line 1.
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 embodiment of the present invention, can be used for conventional sewage plant construction, also may be used
To be administered applied to black and odorous water.If as shown in figure 3, system of the present invention to be built in the side in river course 14 to be administered,
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 be on edge
Way, which is directly stored, dissipates blowdown water source, it is not necessary to roughing-in in addition.In this way, occupation of land can significantly be saved.Due to this
In the described system of invention, each pipeline is laid using buried mode, and top can also be as greening, pool, thus can turn into
Landscape.Compared to existing full underground sewage factory, the duct type activated sludge biochemical system described in the embodiment of the present invention can be big
Amplitude saves construction costs, and compared to the biochemical treatment facility of existing activated sludge process, and cost of the invention is also very
It is cheap.
In summary, duct type activated sludge biochemical system of the present invention, using active sludge intermixture circulation pipe
Main body of the road as activated sludge biochemical system, easily can be embedded in underground by system, so as to by Ground Application
In the setting of landscape planting, and described circulating line can freely be set with hypsography, must without such as traditional aeration tank
Floor level, construction more convenient to install, significantly saving construction cost must be ensured.
Duct type activated sludge biochemical system of the present invention, dissolved oxygen can be effectively utilized, improve oxygen-transfer efficiency,
For orographic condition is relative complex, exhaust emission source is more scattered river course etc., the present invention enables in particular to embody its flexible arrangement, peace
Fill the characteristics of easy to use.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
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 |
|---|---|---|---|
| CN201710685438.1A CN107445293A (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 |
|---|---|---|---|
| CN201710685438.1A CN107445293A (en) | 2017-08-11 | 2017-08-11 | A kind of duct type activated sludge biochemical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107445293A true CN107445293A (en) | 2017-12-08 |
Family
ID=60491936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710685438.1A Pending CN107445293A (en) | 2017-08-11 | 2017-08-11 | A kind of duct type activated sludge biochemical system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107445293A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002086183A (en) * | 2000-07-12 | 2002-03-26 | Nippon Sanso Corp | Waste water treating device and method |
| CN102583736A (en) * | 2012-01-30 | 2012-07-18 | 湖北君集水处理有限公司 | Sewage biochemical treatment process and device utilizing active sludge and biological membrane combined circulating flow |
| CN203451280U (en) * | 2013-08-13 | 2014-02-26 | 苏州科特环保设备有限公司 | High-tower type internal circulating activated sludge aerobic reactor |
| CN204097184U (en) * | 2014-08-26 | 2015-01-14 | 朱江 | Integration is without gradient active sewage sludge treatment device |
| CN104341076A (en) * | 2013-08-02 | 2015-02-11 | 湖北盘古环保工程技术有限公司 | Continuous biochemical reaction and intermittent static precipitation integrated sewage treatment device |
| CN105800787A (en) * | 2016-05-30 | 2016-07-27 | 农业部沼气科学研究所 | Integrated autotrophic synchronous biological denitrification granulation device |
| CN207158896U (en) * | 2017-08-11 | 2018-03-30 | 浦华环保股份有限公司 | A kind of duct type activated sludge biochemical system |
-
2017
- 2017-08-11 CN CN201710685438.1A patent/CN107445293A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002086183A (en) * | 2000-07-12 | 2002-03-26 | Nippon Sanso Corp | Waste water treating device and method |
| CN102583736A (en) * | 2012-01-30 | 2012-07-18 | 湖北君集水处理有限公司 | Sewage biochemical treatment process and device utilizing active sludge and biological membrane combined circulating flow |
| CN104341076A (en) * | 2013-08-02 | 2015-02-11 | 湖北盘古环保工程技术有限公司 | Continuous biochemical reaction and intermittent static precipitation integrated sewage treatment device |
| CN203451280U (en) * | 2013-08-13 | 2014-02-26 | 苏州科特环保设备有限公司 | High-tower type internal circulating activated sludge aerobic reactor |
| CN204097184U (en) * | 2014-08-26 | 2015-01-14 | 朱江 | Integration is without gradient active sewage sludge treatment device |
| CN105800787A (en) * | 2016-05-30 | 2016-07-27 | 农业部沼气科学研究所 | Integrated autotrophic synchronous biological denitrification granulation device |
| CN207158896U (en) * | 2017-08-11 | 2018-03-30 | 浦华环保股份有限公司 | A kind of duct type activated sludge biochemical system |
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Application publication date: 20171208 |