CN108840517A - process for town sewage treatment - Google Patents
process for town sewage treatment Download PDFInfo
- Publication number
- CN108840517A CN108840517A CN201810655832.5A CN201810655832A CN108840517A CN 108840517 A CN108840517 A CN 108840517A CN 201810655832 A CN201810655832 A CN 201810655832A CN 108840517 A CN108840517 A CN 108840517A
- Authority
- CN
- China
- Prior art keywords
- sewage
- town
- pond
- sewage treatment
- town sewage
- 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
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- 239000010865 sewage Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000010802 sludge Substances 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 238000005273 aeration Methods 0.000 claims abstract description 13
- 238000005189 flocculation Methods 0.000 claims abstract description 10
- 230000016615 flocculation Effects 0.000 claims abstract description 10
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 4
- 238000001556 precipitation Methods 0.000 claims description 15
- 230000002906 microbiologic effect Effects 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 8
- 244000005700 microbiome Species 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 2
- 150000003222 pyridines Chemical class 0.000 claims description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 2
- 229920002717 polyvinylpyridine Polymers 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 5
- 230000018044 dehydration Effects 0.000 abstract description 3
- 238000006297 dehydration reaction Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 206010022678 Intestinal infections Diseases 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/44—Time
-
- 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
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of process for town sewage treatment, and specific step is as follows for the process for town sewage treatment：S1：Town sewage is collected, town sewage is introduced to tank；S2：The sewage being introduced in tank in step S1 is drained to using water pump and is neutralized in aeration tank, neutralization reagent is added inside aeration tank to neutralizing, it is stirred to aeration tank inside sewage is neutralized using agitating device, and the pH value neutralized in solarization air cell is monitored, until the pH value inside neutralization teeter chamber is within the specified range.A kind of process for town sewage treatment of the present invention, it is handled using second level flocculation sedimentation, so that the impurity inside sewage be cleaned it is more clean, the pH value that stringent control processing guarantees sewage discharge also is carried out to the pH value in sewage simultaneously, temperature and time in strict control technique, guarantee the quality in sewage treatment, while the sludge in sedimentation basin carries out recycling dehydration, recycles to the sludge of recycling.
Description
Technical field
The present invention relates to technical field of sewage, specially a kind of process for town sewage treatment.
Background technique
Sanitary sewage is mainly derived from residential architecture and public building, such as house, organ, school, hospital, shop, public
Between place and industry hygiene etc..Pollutant contained by sanitary sewage is mainly organic matter, as protein, carbohydrate,
Fat, urea, ammonia nitrogen etc., there are also a large amount of pathogenic microorganisms, such as parasitic ovum and enteric infection virus in pollutant.Such as application
Number be CN201510758947.3 a kind of city domestic sewage treatment process, include the following steps：（1）Sewage is introduced and is precipitated
Pond is precipitated；（2）The clear water on sedimentation basin upper layer is led into aeration tank, is purified with activated sludge process；（3）It will be abundant
The water of reaction introduces secondary settling tank, carries out secondary precipitation；（4）The clear water on secondary settling tank upper layer is drawn, until dry fog device；（5）By dry fog
The water mist that device sprays is with ultraviolet disinfection；（6）Condensed water after collecting sterilizing.
Although above-mentioned treatment process is capable of handling municipal sewage, relatively simple but there are processing modes, the sewage of processing
PH value can not neutralize, while treated sludge can not be utilized by effective cleaning, therefore be badly in need of a kind of urban wastewater treatment
Technique, to solve the problems, such as in production.
Summary of the invention
The purpose of the present invention is to provide a kind of process for town sewage treatment, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of process for town sewage treatment, the town sewage
Specific step is as follows for treatment process：
S1：Town sewage is collected, town sewage is introduced to tank；
S2：The sewage being introduced in tank in step S1 is drained to using water pump and is neutralized in aeration tank, to neutralization aeration tank
Addition neutralization reagent in inside is stirred using agitating device to aeration tank inside sewage is neutralized, and monitors and neutralize in solarization air cell
PH value, until neutralize teeter chamber inside pH value within the specified range；
S3：By in step S2 neutralize after sewage be drained in first stage precipitation tank using water pump, to first stage precipitation tank inside add
Flocculant is stirred the sewage inside first stage precipitation tank using agitating device, and mixing time 2h-3h, it is heavy to be then allowed to stand
Shallow lake 6h-8h；
S4：Sewage after flocculation treatment in step S3 is drained in homogeneous pond using water pump, uses agitating device circulation stirring
Homogeneous；
S5：Sewage after homogenization in step S4 is drained to microbiological treatment pond using water pump, into microbiological treatment pond
Portion puts into microorganism and carries out resolution process, by agitating device to progress circulation stirring inside microbiological treatment pond；
S6：Sewage after decomposing in step S5 is drained in second-level settling pond using water pump, using ultraviolet disinfection, by second level
Water inside sedimentation basin staticly settles 10h-12h, is then discharged out the water of standing；
S7：Dewatered drying is carried out by the sludge discharge in above-mentioned steps in first stage precipitation tank and second-level settling pond, and using mechanical
Processing.
Preferably, the agitating device in the step is to be stirred using progress air-flow inside compressor compresses air to pond
It mixes.
Preferably, the pH value in the step S2 is between 6-8.
Preferably, the flocculant in the step S3 is organic flocculant, is polyacrylamide, Sodium Polyacrylate, poly- second
One or more of annulated pyridine salt, polyethyleneimine.
Preferably, described that the sewage being collected into step S1 is filtered processing using filter screen.
Preferably, the water temperature in the microbiological treatment pond in the step S5 is maintained at 32 DEG C -35 DEG C.
Preferably, dewatering machine used in the step S7 is sludge dewatering equipment.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of process for town sewage treatment provided by the invention, is adopted
Handled with second level flocculation sedimentation so that the impurity inside sewage be cleaned it is more clean, while also to the pH value in sewage into
The stringent control processing of row guarantees the pH value of sewage discharge, and the temperature and time in strict control technique guarantees sewage treatment
In quality, while the sludge in sedimentation basin carries out recycling dehydration, recycles to the sludge of recycling.By collecting city
The sewage in city carries out Air Exposure to sewage in and in solarization air cell, while also carrying out pH to the sewage neutralized inside solarization air cell
It is worth neutralisation treatment, then sewage is introduced to and sedimentation basin inside carries out and flocculation sedimentation, is introduced back into after flocculation sedimentation
Homogeneous is carried out in homogeneous pond, is then carried out carrying out two-stage precipitation after carrying out microorganism decomposition processing in microbiological treatment pond, be guaranteed
Sewage completely discharges.It is handled simultaneously using the sludge inside sludge deslimer pair and sedimentation basin and second-level settling pond,
It recycles.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of process for town sewage treatment, specific step is as follows for the process for town sewage treatment：
S1：Town sewage is collected, town sewage is introduced to tank；
S2：The sewage being introduced in tank in step S1 is drained to using water pump and is neutralized in aeration tank, to neutralization aeration tank
Addition neutralization reagent in inside is stirred using agitating device to aeration tank inside sewage is neutralized, and monitors and neutralize in solarization air cell
PH value, until neutralize teeter chamber inside pH value within the specified range；
S3：By in step S2 neutralize after sewage be drained in first stage precipitation tank using water pump, to first stage precipitation tank inside add
Flocculant is stirred the sewage inside first stage precipitation tank using agitating device, and mixing time 2h is then allowed to stand precipitating
6h；
S4：Sewage after flocculation treatment in step S3 is drained in homogeneous pond using water pump, uses agitating device circulation stirring
Homogeneous；
S5：Sewage after homogenization in step S4 is drained to microbiological treatment pond using water pump, into microbiological treatment pond
Portion puts into microorganism and carries out resolution process, by agitating device to progress circulation stirring inside microbiological treatment pond；
S6：Sewage after decomposing in step S5 is drained in second-level settling pond using water pump, using ultraviolet disinfection, by second level
Water inside sedimentation basin staticly settles 10h, is then discharged out the water of standing；
S7：Dewatered drying is carried out by the sludge discharge in above-mentioned steps in first stage precipitation tank and second-level settling pond, and using mechanical
Processing.
Agitating device in the step is using progress airflow stirring inside compressor compresses air to pond.It is described
PH value in step S2 is 6.Flocculant in the step S3 is organic flocculant, is polyacrylamide.It is described by step S1
In the sewage that is collected into be filtered processing using filter screen.The water temperature in microbiological treatment pond in the step S5 is maintained at
32℃.Dewatering machine used in the step S7 is sludge dewatering equipment.
A kind of process for town sewage treatment provided by the invention is handled using second level flocculation sedimentation, so that inside sewage
Impurity is cleaned more clean, while also carrying out the soda acid that stringent control processing guarantees sewage discharge to the pH value in sewage
It spends, the temperature and time in strict control technique guarantees the quality in sewage treatment, while the sludge in sedimentation basin is recycled
Dehydration recycles the sludge of recycling.By collecting the sewage in city, in and sewage is exposed in solarization air cell
Gas disposal, while pH value neutralisation treatment also is carried out to the sewage neutralized inside solarization air cell, then sewage is introduced to and is precipitated
Pond inside carries out and flocculation sedimentation, is introduced back into homogeneous pond after flocculation sedimentation and carries out homogeneous, then carries out microbiological treatment
Two-stage precipitation is carried out after carrying out microorganism decomposition processing in pond, ensure that sewage completely discharges.Sludge deslimer pair is used simultaneously
And the sludge inside sedimentation basin and second-level settling pond is handled, and is recycled.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of process for town sewage treatment, it is characterised in that：Specific step is as follows for the process for town sewage treatment：
S1：Town sewage is collected, town sewage is introduced to tank；
S2：The sewage being introduced in tank in step S1 is drained to using water pump and is neutralized in aeration tank, to neutralization aeration tank
Addition neutralization reagent in inside is stirred using agitating device to aeration tank inside sewage is neutralized, and monitors and neutralize in solarization air cell
PH value, until neutralize teeter chamber inside pH value within the specified range；
S3：By in step S2 neutralize after sewage be drained in first stage precipitation tank using water pump, to first stage precipitation tank inside add
Flocculant is stirred the sewage inside first stage precipitation tank using agitating device, and mixing time 2h-3h, it is heavy to be then allowed to stand
Shallow lake 6h-8h；
S4：Sewage after flocculation treatment in step S3 is drained in homogeneous pond using water pump, uses agitating device circulation stirring
Homogeneous；
S5：Sewage after homogenization in step S4 is drained to microbiological treatment pond using water pump, into microbiological treatment pond
Portion puts into microorganism and carries out resolution process, by agitating device to progress circulation stirring inside microbiological treatment pond；
S6：Sewage after decomposing in step S5 is drained in second-level settling pond using water pump, using ultraviolet disinfection, by second level
Water inside sedimentation basin staticly settles 10h-12h, is then discharged out the water of standing；
S7：Dewatered drying is carried out by the sludge discharge in above-mentioned steps in first stage precipitation tank and second-level settling pond, and using mechanical
Processing.
2. a kind of process for town sewage treatment according to claim 1, it is characterised in that：Agitating device in the step
It is using progress airflow stirring inside compressor compresses air to pond.
3. a kind of process for town sewage treatment according to claim 1, it is characterised in that：PH value in the step S2 is
Between 6-8.
4. a kind of process for town sewage treatment according to claim 1, it is characterised in that：Flocculant in the step S3
It is one or more of polyacrylamide, Sodium Polyacrylate, polyvinyl pyridine salt, polyethyleneimine for organic flocculant.
5. a kind of process for town sewage treatment according to claim 1, it is characterised in that：It is described to be collected into step S1
Sewage be filtered processing using filter screen.
6. a kind of process for town sewage treatment according to claim 1, it is characterised in that：Microorganism in the step S5
Water temperature in processing pond is maintained at 32 DEG C -35 DEG C.
7. a kind of process for town sewage treatment according to claim 1, it is characterised in that：It is taken off used in the step S7
Water dispenser tool is sludge dewatering equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655832.5A CN108840517A (en) | 2018-06-23 | 2018-06-23 | process for town sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655832.5A CN108840517A (en) | 2018-06-23 | 2018-06-23 | process for town sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108840517A true CN108840517A (en) | 2018-11-20 |
Family
ID=64203609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810655832.5A Pending CN108840517A (en) | 2018-06-23 | 2018-06-23 | process for town sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108840517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087124A (en) * | 2019-12-13 | 2020-05-01 | 华航环境发展有限公司 | Sewage treatment method and system capable of automatically regulating and controlling pH value |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150122709A1 (en) * | 2011-08-05 | 2015-05-07 | Esa Enviro Water (Australia) Pty Limited | Water treatment system |
| CN105016560A (en) * | 2014-04-18 | 2015-11-04 | 龙岩市绿河环保科技有限公司 | Sewage treatment system |
| CN105585220A (en) * | 2016-01-27 | 2016-05-18 | 程冠华 | Urban sewage treatment system and purification method |
| CN105859052A (en) * | 2016-06-07 | 2016-08-17 | 沈阳建筑大学 | Environment-friendly purification method for domestic sewage |
| KR101686484B1 (en) * | 2016-05-13 | 2016-12-14 | 일산종합건설(주) | Method of sewage treatment |
| CN205907139U (en) * | 2016-08-04 | 2017-01-25 | 安徽炜杰环境工程有限公司 | Domestic sewage treatment device |
| CN107285566A (en) * | 2017-07-18 | 2017-10-24 | 王俊铎 | A kind of city domestic sewage processing method |
-
2018
- 2018-06-23 CN CN201810655832.5A patent/CN108840517A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150122709A1 (en) * | 2011-08-05 | 2015-05-07 | Esa Enviro Water (Australia) Pty Limited | Water treatment system |
| CN105016560A (en) * | 2014-04-18 | 2015-11-04 | 龙岩市绿河环保科技有限公司 | Sewage treatment system |
| CN105585220A (en) * | 2016-01-27 | 2016-05-18 | 程冠华 | Urban sewage treatment system and purification method |
| KR101686484B1 (en) * | 2016-05-13 | 2016-12-14 | 일산종합건설(주) | Method of sewage treatment |
| CN105859052A (en) * | 2016-06-07 | 2016-08-17 | 沈阳建筑大学 | Environment-friendly purification method for domestic sewage |
| CN205907139U (en) * | 2016-08-04 | 2017-01-25 | 安徽炜杰环境工程有限公司 | Domestic sewage treatment device |
| CN107285566A (en) * | 2017-07-18 | 2017-10-24 | 王俊铎 | A kind of city domestic sewage processing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087124A (en) * | 2019-12-13 | 2020-05-01 | 华航环境发展有限公司 | Sewage treatment method and system capable of automatically regulating and controlling pH value |
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Application publication date: 20181120 |