CN207713596U - A kind of urban sewage treatment system - Google Patents
A kind of urban sewage treatment system Download PDFInfo
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- CN207713596U CN207713596U CN201721726416.7U CN201721726416U CN207713596U CN 207713596 U CN207713596 U CN 207713596U CN 201721726416 U CN201721726416 U CN 201721726416U CN 207713596 U CN207713596 U CN 207713596U
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- Prior art keywords
- mud
- tank
- treatment system
- sewage
- urban sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 62
- 238000004062 sedimentation Methods 0.000 claims abstract description 29
- 238000001556 precipitation Methods 0.000 claims abstract description 27
- 230000001112 coagulating effect Effects 0.000 claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000005276 aerator Methods 0.000 claims description 4
- 238000005660 chlorination reaction Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 239000010802 sludge Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 239000003814 drug Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a kind of urban sewage treatment systems, including sequentially connected setting pot, primary sedimentation pond, biological treatment tank, secondary sedimentation tank, coagulative precipitation tank and filtering ponds, coagulative precipitation tank is connected with chemicals dosing plant, the mud mouth partial reflux that goes out of secondary sedimentation tank is connected to biological treatment tank, and secondary sedimentation tank go out mud mouth and coagulative precipitation tank go out mud mouth confluence after be connected with the slurry filter for being filtered processing for mud will to be mixed, slurry filter is connected with the mud enrichment facility for concentrating filtered mud, and mud enrichment facility is connected with the mud dewatering apptss for the mud after concentration to be dehydrated；Have the function of improving its sewage harmful substance removal rate, reduce environmental pollution.
Description
Technical field
The utility model is related to technical field of sewage, more specifically, it relates to a kind of urban sewage treatment system.
Background technology
Contain a large amount of organic pollution and pathogen in city domestic sewage, if will be to ring around without processing discharge
Border, water body generate harm, and can seriously affect the health of people, so stringent biochemistry must be carried out to it, at disinfection
Reason, to reduce the influence to environment, water body to the greatest extent.Continuous improvement with environmental requirement and water resource growing tension, middle water
Gradually it is recycled in fire-fighting, greening, street cleaning, vehicle rinsing etc.；Periodically outer row is used as agricultural fertilizer to sludge simultaneously, real
Social benefit and economic benefit two-win is showed.
The technique of municipal sewage treatment is more single in the prior art, mainly uses activated sludge process or chemical method, living
Although influence of the property sludge to environment is smaller, the effect of removal is not so good, and the residuals such as heavy metal are higher；Chemical method
Removal effect is preferable, but is affected to environment, be easy to cause secondary pollution.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of urban sewage treatment system,
Have the function of improving its sewage harmful substance removal rate, reduce environmental pollution.
To achieve the above object, the utility model provides following technical solution：
A kind of urban sewage treatment system, including it is sequentially connected for collect sewage setting pot, be used for primary deposition
The primary sedimentation pond of sewage, the biological treatment tank for carrying out biochemical treatment to sewage sink for the secondary of secondary precipitation sewage
Shallow lake pond, the coagulative precipitation tank for carrying out coagulating sedimentation to sewage and the mistake for the sewage after coagulating sedimentation to be filtered
Filter tank, the coagulative precipitation tank are connected with chemicals dosing plant, and the mud mouth partial reflux that goes out of the secondary sedimentation tank is connected to biology
Processing pond, and the secondary sedimentation tank go out mud mouth and coagulative precipitation tank go out mud mouth confluence after be connected with for that will mix
The slurry filter that mud is filtered processing is closed, the slurry filter is connected with for carrying out filtered mud
The mud enrichment facility of concentration, and the mud that the mud enrichment facility is connected with for the mud after concentration to be dehydrated takes off
Water installations.
So set, by setting pot can by sewage large particulate matter and suspended matter tentatively filter, then pass through
Some precipitable impurity are carried out precipitation taking-up by primary sedimentation pond；Biochemical treatment is then carried out by biological treatment tank, is passed through
Biology dissolves some heavy metals and the element for being dissolved in water, after then being come out in biological treatment tank by maintenance sedimentation basin
Substance carries out precipitation filtering removal so that sewage has the function that preliminary filtration, purification；Then by coagulative precipitation tank and add
Medicine device makes the metallic element in sewage react with medicament, by precipitating nuisances such as metal ions soluble in water
Matter removes；And by the way that the mud mouth partial reflux that goes out of secondary sedimentation tank is connected to biological treatment tank, reach the work of cycle removal
With, while some sediments can be used as the nutriment of biological treatment tank；Finally sludge was carried out by slurry filter
Filter tentatively removes water, and the clod of i.e. storage easy to carry is obtained by what filtered mud concentrated by mud enrichment facility,
Compressed sludge is dehydrated by mud dewatering apptss simultaneously, improves the drying property of clod after compression, is reached convenient for most
The effect carried or handled eventually has the function of improving its sewage harmful substance removal rate, reduces environmental pollution.
Further setting：The filtering ponds are provided with water outlet, and the water outlet is provided with chlorination equipment.
So set, the water to exclusion carries out disinfection, the recycling that can be discharged to water outlet improves making for processing water
Use performance.
Further setting：The supernatant of the slurry filter and secondary sedimentation tank is connected with comprehensive wastewater processing system
System.
So set, also have some other metal pollutants in oettIed sewage through overregulating, then after processing
The unified collection of sewage carry out integrated treatment and can improve the degree for the treatment of of sewage, make sewage it is more up to standard discharge,
Reduce the pollution to environment.
Further setting：The comprehensive wastewater treatment system is connected with biochemical oxidation pond.
So set, the sewage of biosystem processing is by the function bacterium manually cultivated, it has electrostatic adsorption, enzyme
Catalyzed conversion effect, complexing, flocculation, contain co-precipitation and the cushioning effect to pH value, the method operation letter
Single, equipment safety is reliable, and discharge water is used for cultivation and other uses, and sludge quantity is few, and metal in sludge recycles, and realizes
Clean manufacturing, without sewage and waste sludge discharge, small investment, low energy consumption, operating cost is few.
Further setting：Batch biofilm reactor is equipped in the biochemical oxidation pond.
So set, batch biofilm reactor is to add various fillers in the reactor to give birth to so that microorganism adheres to
It is long, make to form the structure similar to film that one layer of biology is constituted on filler, is combined, reduces with other sewage disposal devices
Sewage disposal difficulty effectively contains the propagation of germ so as to improve surrounding enviroment.
Further setting：It is provided with aerator in the biochemical oxidation pond.
So set, by aerator, the growth for supporting bacterium in biochemical oxidation pond well can be improved, and then improve its biochemistry
The degree of purification of oxidation pond.
Further setting：Power-assisted stirring slurry is equipped in the biological treatment tank and coagulative precipitation tank.
So set, the mobility of liquid in pond can be increased by increasing power-assisted stirring slurry during adjusting, sewage and
Adding medicine is uniformly sufficiently mixed, and sewage in pond is made to react more abundant with drug or good bacteria kind.
Further setting：Grid is provided with above the setting pot, the grid includes coarse rack and is set to thick
Grid lower layer fine fack.
So set, when sewage is imported into setting pot, larger volume suspended matter is carried out by the coarse rack in grid
Filtering, carrying out smart filtering by fine fack, suspended matter filter effect in sewage can be improved in filtering at twice.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art：Pass through setting pot, primary deposition
Pond, biological treatment tank, coagulative precipitation tank and chemicals dosing plant are handled, by heavy metal in sewage and be dissolved in the ion of water into
Row reaction and removal, while some sediments can be used as the nutriment of biological treatment tank；Sludge is finally passed through into slurries mistake
Filter device is filtered and tentatively removes water, by mud enrichment facility that obtaining of concentrating of filtered mud is easy to carry i.e.
The clod of storage, while being dehydrated compressed sludge by mud dewatering apptss, the drying property of clod after compression is improved,
Have the function that carry or handle convenient for final, there is the work for improving its sewage harmful substance removal rate, reducing environmental pollution
With.
Description of the drawings
Fig. 1 is the flow diagram of urban sewage treatment system；
Fig. 2 is the structural schematic diagram of comprehensive wastewater treatment system in urban sewage treatment system.
In figure：1, setting pot；2, primary sedimentation pond；3, biological treatment tank；4, secondary sedimentation tank；5, coagulative precipitation tank；6、
Filtering ponds；62, chlorination equipment；8, chemicals dosing plant；9, slurry filter；10, mud enrichment facility；11, mud dewatering apptss；
12, comprehensive wastewater treatment system；13, biochemical oxidation pond；14, batch biofilm reactor；15, aerator.
Specific implementation mode
Urban sewage treatment system is described further referring to figs. 1 to Fig. 2.
A kind of urban sewage treatment system, as shown in Figure 1, including the sequentially connected setting pot 1 for being used to collect sewage, using
In the primary sedimentation pond 2 of primary deposition sewage, the biological treatment tank 3 for carrying out biochemical treatment to sewage, it is used for secondary precipitation
The secondary sedimentation tank 4 of sewage, the coagulative precipitation tank 5 for carrying out coagulating sedimentation to sewage and for by the dirt after coagulating sedimentation
The filtering ponds 6 that water is filtered；It is provided with grid above setting pot 1（Attached drawing is unmarked）, grid includes coarse rack and sets
It is placed in coarse rack lower layer fine fack；Filtering ponds 6 are provided with water outlet, and water outlet is provided with chlorination equipment 62.
Wherein, coagulative precipitation tank 5 is connected with chemicals dosing plant 8, and drug is ammonia nitrogen removal agent in chemicals dosing plant 8；Secondary precipitation
The mud mouth partial reflux that goes out in pond 4 is connected to biological treatment tank 3, meanwhile, batch biofilm is equipped in biochemical oxidation pond 13
Reactor 14；Secondary sedimentation tank 4 go out mud mouth and coagulative precipitation tank 5 go out mud mouth confluence after be connected with for that will mix
Mud is filtered the slurry filter 9 of processing, meanwhile, slurry filter 9 be connected with for by filtered mud into
The mud enrichment facility 10 of row concentration, and mud enrichment facility 10 is connected with the mud for the mud after concentration to be dehydrated
Dehydration device 11.
The supernatant of slurry filter 9 and secondary sedimentation tank 4 is connected with comprehensive wastewater treatment system 12, comprehensive wastewater
Processing system 12 is connected with biochemical oxidation pond 13, and is equipped with batch biofilm reactor 14 and aeration in biochemical oxidation pond 13
Device 15.
To stir and being uniformly mixed, power-assisted stirring slurry is equipped in biological treatment tank 3 and coagulative precipitation tank 5（Attached drawing
It is unmarked）.
Operation principle：By setting pot 1 can by sewage large particulate matter and suspended matter tentatively filter, then pass through
Some precipitable impurity are carried out precipitation taking-up by primary sedimentation pond 2；Biochemical treatment is then carried out by biological treatment tank 3, is led to
It crosses biology to dissolve some heavy metals and be dissolved in the element of water, then by maintaining sedimentation basin that will come out in biological treatment tank 3
Substance afterwards carries out precipitation filtering removal so that sewage has the function that preliminary filtration, purification；Then by coagulative precipitation tank 5 with
And chemicals dosing plant 8, so that the metallic element in sewage is reacted with medicament, has metal ion soluble in water etc. by precipitating
Evil substance removal；And by the way that the mud mouth partial reflux that goes out of secondary sedimentation tank 4 is connected to biological treatment tank 3, reach cycle and goes
The effect removed, while some sediments can be used as the nutriment of biological treatment tank 3；Sludge is finally passed through into slurry filter
9 filterings meticulously tentatively remove water, and i.e. storage easy to carry is obtained by what filtered mud concentrated by mud enrichment facility 10
The clod deposited, while being dehydrated compressed sludge by mud dewatering apptss 11, the drying property of clod after compression is improved,
Have the function that carry or handle convenient for final, there is the work for improving its sewage harmful substance removal rate, reducing environmental pollution
With.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of urban sewage treatment system, it is characterised in that：Including the sequentially connected setting pot for collecting sewage（1）、
Primary sedimentation pond for primary deposition sewage（2）, for sewage carry out biochemical treatment biological treatment tank（3）, be used for two
The secondary sedimentation tank of secondary precipitation sewage（4）, for sewage carry out coagulating sedimentation coagulative precipitation tank（5）And it is used for coagulation
The filtering ponds that oettIed sewage is filtered（6）, the coagulative precipitation tank（5）It is connected with chemicals dosing plant（8）, described secondary heavy
Shallow lake pond（4）The mud mouth partial reflux that goes out be connected to biological treatment tank（3）, and the secondary sedimentation tank（4）Go out mud mouth with
And coagulative precipitation tank（5）Go out mud mouth confluence after be connected with the slurry filter for being filtered processing for mud will to be mixed
（9）, the slurry filter（9）It is connected with the mud enrichment facility for concentrating filtered mud（10）, and
The mud enrichment facility（10）It is connected with the mud dewatering apptss for the mud after concentration to be dehydrated（11）.
2. a kind of urban sewage treatment system according to claim 1, it is characterised in that：The filtering ponds（6）It is provided with
Water outlet, and the water outlet is provided with chlorination equipment（62）.
3. a kind of urban sewage treatment system according to claim 1, it is characterised in that：The slurry filter（9）
And secondary sedimentation tank（4）Supernatant be connected with comprehensive wastewater treatment system（12）.
4. a kind of urban sewage treatment system according to claim 3, it is characterised in that：The comprehensive wastewater treatment system
（12）It is connected with biochemical oxidation pond（13）.
5. a kind of urban sewage treatment system according to claim 4, it is characterised in that：In the biochemical oxidation pond（13）
It is interior to be equipped with batch biofilm reactor（14）.
6. a kind of urban sewage treatment system according to claim 5, it is characterised in that：In the biochemical oxidation pond（13）
Inside it is provided with aerator（15）.
7. a kind of urban sewage treatment system according to claim 1, it is characterised in that：The biological treatment tank（3）With
Coagulative precipitation tank（5）Inside it is equipped with power-assisted stirring slurry.
8. a kind of urban sewage treatment system according to claim 1, it is characterised in that：In the setting pot（1）Top
It is provided with grid, the grid includes coarse rack and is set to coarse rack lower layer fine fack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721726416.7U CN207713596U (en) | 2017-12-12 | 2017-12-12 | A kind of urban sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721726416.7U CN207713596U (en) | 2017-12-12 | 2017-12-12 | A kind of urban sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207713596U true CN207713596U (en) | 2018-08-10 |
Family
ID=63055430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721726416.7U Active CN207713596U (en) | 2017-12-12 | 2017-12-12 | A kind of urban sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207713596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607932A (en) * | 2018-12-25 | 2019-04-12 | 吉林建筑大学 | A kind of urban sewage treatment reclaimed water circulating filter device |
| CN114804506A (en) * | 2022-03-17 | 2022-07-29 | 国网河北省电力有限公司电力科学研究院 | Full-membrane treatment method for urban sewage |
-
2017
- 2017-12-12 CN CN201721726416.7U patent/CN207713596U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607932A (en) * | 2018-12-25 | 2019-04-12 | 吉林建筑大学 | A kind of urban sewage treatment reclaimed water circulating filter device |
| CN109607932B (en) * | 2018-12-25 | 2021-08-17 | 吉林建筑大学 | A kind of urban sewage treatment reclaimed water circulation filter device |
| CN114804506A (en) * | 2022-03-17 | 2022-07-29 | 国网河北省电力有限公司电力科学研究院 | Full-membrane treatment method for urban sewage |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190614 Address after: No. 4, 5th floor, 28 Yinting Road, Jimei District, Xiamen City, Fujian Province, 361000 Patentee after: Wanjia Qingshui (Xiamen) Environmental Technology Co., Ltd. Address before: Unit 2302, 478 Xinglin Wan Road, Jimei District, Xiamen City, Fujian Province, 361000 Patentee before: Xiamen Wanjia ecological science and Technology Co., Ltd. |