CN109231703A - A kind of domestic sewage treatment process - Google Patents

A kind of domestic sewage treatment process Download PDF

Info

Publication number
CN109231703A
CN109231703A CN201811272372.4A CN201811272372A CN109231703A CN 109231703 A CN109231703 A CN 109231703A CN 201811272372 A CN201811272372 A CN 201811272372A CN 109231703 A CN109231703 A CN 109231703A
Authority
CN
China
Prior art keywords
sewage
parts
grid
treatment process
sewage treatment
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.)
Withdrawn
Application number
CN201811272372.4A
Other languages
Chinese (zh)
Inventor
鲁伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Hai Jie Ya Run Daily Chemicals Co Ltd
Original Assignee
Chongqing Hai Jie Ya Run Daily Chemicals Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Hai Jie Ya Run Daily Chemicals Co Ltd filed Critical Chongqing Hai Jie Ya Run Daily Chemicals Co Ltd
Priority to CN201811272372.4A priority Critical patent/CN109231703A/en
Publication of CN109231703A publication Critical patent/CN109231703A/en
Withdrawn legal-status Critical Current

Links

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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/5281—Installations for water purification using chemical agents
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes

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

A kind of sewage treatment process, comprising the following steps: sewage is 1. introduced into the sedimentation basin that bottom is v-shaped structure；2. sewage carries out prefiltration by tilting grid；3. sewage is introduced flocculation basin；4. sewage is introduced neutralization pond；5. sewage is introduced in aeration tank；6. sewage is introduced in sterilization pool.Compared with prior art, the invention has the following advantages: passing through setting sedimentation basin, grid filtering, flocculation basin, neutralization pond, aeration tank and sterilization pool, sewage is handled step by step, is removed respectively by the biggish solid pollutant of quality, in solid pollutant, chemical ion, organic matter and microorganism of suspension or floating state etc..Good sewage processing effect.

Description

A kind of domestic sewage treatment process
Technical field
The invention belongs to water-treatment technology fields, and in particular to a kind of domestic sewage treatment process.
Background technique
Municipal sewage is discharged into the general designation of the sewage of town sewage system, further includes that production is useless in combined drainage system The rainwater of water and retention.Municipal sewage mainly includes sanitary sewage and trade effluent, and pollutant contained by sanitary sewage is mainly Organic matter (such as protein, carbohydrate, fat, urea, ammonia nitrogen) and a large amount of pathogenic microorganisms (such as parasitic ovum and enteron aisle Virus spread etc.).The organic matter being present in sanitary sewage is extremely unstable, is easy corruption and generates stench.Bacterium and pathogen Using life without Organic substance in water as nutrition mass propagation, can lead to infectious disease from spreading.Domestic sewage treatment process is exactly to life Various economic, reasonable, science, the effective process of sewage living.
Summary of the invention
The object of the present invention is to provide a kind of domestic sewage treatment process.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of sewage treatment process includes the following steps, 1. sewage is introduced the sedimentation basin that bottom is v-shaped structure, sewage draining exit is arranged in precipitating bottom of pond portion, after sewage introduces, precipitates 1-3h；② Prefiltration is carried out by tilting grid by the sewage of step 1., remove the bulk in sewage is in suspension or floating state Solid pollutant, grid are located at the water inlet of flocculation basin；3. the sewage 2. filtered by step is introduced flocculation basin, flocculation basin It is interior to be equipped with agitating device, flocculant aqueous solution is added by automatic medicine adding apparatus, adds flocculation aid agent, the throwing of flocculant aqueous solution Dosage is 200-400mg/l, and is stirred continuously 2-4h, the revolving speed 100-180r/min of agitating device；4. will 3. locate by step Sewage after reason introduces neutralization pond, and neutralizer is added into neutralization pond, removes the chemical ion in sewage；5. will be by step 4. Treated, and sewage introduces in aeration tank, removes the organic matter in sewage and microorganism；6. will that 5. treated be dirty by step Water introduces in sterilization pool, and disinfectant is added, water is led to reservoir after disinfection treatment.
Further, the volume ratio of 1. flocculant aqueous solution that step is added and flocculation aid agent is 20:1-40:1.The flocculation Agent is polymerization Polyferric Sulfate silicon flocculant.The flocculation aid agent is anion-polyacrylamide.
Further, step 2. in grid, set by current direction there are three, respectively coarse grid, middle grid and thin grid Lattice, the width of coarse grid is 60-100mm, the width of middle grid is 10-50mm, the width of thin grid is 2-9mm.
Further, step 5. in aeration tank bottom of pond be equipped with multiple groups aerator, every group of aerator includes multiple Variable micro-hole aerator.
Further, step 6. in disinfectant include following parts by weight component: 4-8 parts of aluminum sulfate, diatomite 10-12 parts, 3-4 parts of ethylene glycol stearate, 6-9 parts of Moxifloxacin, 5-7 parts of monopersulfate sodium, 6-8 parts of citric acid, lactic acid 4-6 parts, 10-13 parts of nonionic surfactant, 200-300 parts of water.
Compared with prior art, the invention has the following advantages:
By setting sedimentation basin, grid filtering, flocculation basin, neutralization pond, aeration tank and sterilization pool, step by step to sewage at Reason, respectively by the biggish solid pollutant of quality, in suspend or the solid pollutant of floating state, chemical ion, organic matter with Microorganism etc. removes.Good sewage processing effect.
Specific embodiment
Specific embodiments of the present invention will be further explained below.It should be noted that for these implementations The explanation of mode is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, invention described below Technical characteristic involved in each embodiment can be combined with each other as long as they do not conflict with each other.
Embodiment one:
A kind of sewage treatment process, comprising the following steps:
1. sewage is introduced the sedimentation basin that bottom is v-shaped structure, sewage draining exit is arranged in precipitating bottom of pond portion, after sewage introduces, sinks Shallow lake 1-3h.The volume ratio of flocculant aqueous solution and flocculation aid agent is 20:1, and the flocculant is polymerization Polyferric Sulfate silicon flocculant, described to help Wadding agent is anion-polyacrylamide.
2. prefiltration is carried out by tilting grid by the sewage of step 1., remove the bulk in sewage in suspending or The solid pollutant of floating state, grid are located at the water inlet of flocculation basin.There are three grid is set by current direction, respectively slightly Grid, middle grid and thin grid, the width of coarse grid is 60mm, the width of middle grid is 10mm, the width of thin grid is 2mm, It filters step by step.
3. the sewage 2. filtered by step is introduced flocculation basin, it is equipped with agitating device in flocculation basin, passes through Automatic Dosing Flocculant aqueous solution is added in device, adds flocculation aid agent, the dosage of flocculant aqueous solution is 200mg/l, and is stirred continuously 2h, the revolving speed 100r/min of agitating device.
4. neutralization pond will be introduced by step 3. treated sewage, neutralizer is added into neutralization pond, removes in sewage Chemical ion.
5. will introduce in aeration tank by step 4. treated sewage, the organic matter in sewage and microorganism are removed.It exposes The bottom of pond in gas pond is equipped with multiple groups aerator, and every group of aerator includes multiple variable micro-hole aerators.
6. will be introduced in sterilization pool by step 5. treated sewage, disinfectant is added, leads to water after disinfection treatment Reservoir.Disinfectant includes the component of following parts by weight: 4 parts of aluminum sulfate, 10 parts of diatomite, 3 parts of ethylene glycol stearate, not 6 parts of Xisha star, 5 parts of monopersulfate sodium, 6 parts of citric acid, 4 parts of lactic acid, 10 parts of nonionic surfactant, 200 parts of water.
Embodiment two:
A kind of sewage treatment process, comprising the following steps:
1. sewage is introduced the sedimentation basin that bottom is v-shaped structure, sewage draining exit is arranged in precipitating bottom of pond portion, after sewage introduces, sinks Shallow lake 1-3h.The volume ratio of flocculant aqueous solution and flocculation aid agent is 30:1, and the flocculant is polymerization Polyferric Sulfate silicon flocculant, described to help Wadding agent is anion-polyacrylamide.
2. prefiltration is carried out by tilting grid by the sewage of step 1., remove the bulk in sewage in suspending or The solid pollutant of floating state, grid are located at the water inlet of flocculation basin.There are three grid is set by current direction, respectively slightly Grid, middle grid and thin grid, the width of coarse grid is 80mm, the width of middle grid is 30mm, the width of thin grid is 6mm, It filters step by step.
3. the sewage 2. filtered by step is introduced flocculation basin, it is equipped with agitating device in flocculation basin, passes through Automatic Dosing Flocculant aqueous solution is added in device, adds flocculation aid agent, the dosage of flocculant aqueous solution is 300mg/l, and is stirred continuously 3h, the revolving speed 140r/min of agitating device.
4. neutralization pond will be introduced by step 3. treated sewage, neutralizer is added into neutralization pond, removes in sewage Chemical ion.
5. will introduce in aeration tank by step 4. treated sewage, the organic matter in sewage and microorganism are removed.It exposes The bottom of pond in gas pond is equipped with multiple groups aerator, and every group of aerator includes multiple variable micro-hole aerators.
6. will be introduced in sterilization pool by step 5. treated sewage, disinfectant is added, leads to water after disinfection treatment Reservoir.Disinfectant includes the component of following parts by weight: 6 parts of aluminum sulfate, 11 parts of diatomite, 3 parts of ethylene glycol stearate, not 7 parts of Xisha star, 6 parts of monopersulfate sodium, 7 parts of citric acid, 5 parts of lactic acid, 12 parts of nonionic surfactant, 250 parts of water.
Embodiment three:
A kind of sewage treatment process, comprising the following steps:
1. sewage is introduced the sedimentation basin that bottom is v-shaped structure, sewage draining exit is arranged in precipitating bottom of pond portion, after sewage introduces, sinks Shallow lake 1-3h.The volume ratio of flocculant aqueous solution and flocculation aid agent is 40:1, and the flocculant is polymerization Polyferric Sulfate silicon flocculant, described to help Wadding agent is anion-polyacrylamide.
2. prefiltration is carried out by tilting grid by the sewage of step 1., remove the bulk in sewage in suspending or The solid pollutant of floating state, grid are located at the water inlet of flocculation basin.There are three grid is set by current direction, respectively slightly Grid, middle grid and thin grid, the width of coarse grid is 100mm, the width of middle grid is 50mm, the width of thin grid is 9mm, It filters step by step.
3. the sewage 2. filtered by step is introduced flocculation basin, it is equipped with agitating device in flocculation basin, passes through Automatic Dosing Flocculant aqueous solution is added in device, adds flocculation aid agent, the dosage of flocculant aqueous solution is 400mg/l, and is stirred continuously 4h, the revolving speed 180r/min of agitating device.
4. neutralization pond will be introduced by step 3. treated sewage, neutralizer is added into neutralization pond, removes in sewage Chemical ion.
5. will introduce in aeration tank by step 4. treated sewage, the organic matter in sewage and microorganism are removed.It exposes The bottom of pond in gas pond is equipped with multiple groups aerator, and every group of aerator includes multiple variable micro-hole aerators.
6. will be introduced in sterilization pool by step 5. treated sewage, disinfectant is added, leads to water after disinfection treatment Reservoir.Disinfectant includes the component of following parts by weight: 8 parts of aluminum sulfate, 12 parts of diatomite, 4 parts of ethylene glycol stearate, not 9 parts of Xisha star, 7 parts of monopersulfate sodium, 8 parts of citric acid, 6 parts of lactic acid, 13 parts of nonionic surfactant, 300 parts of water.
Embodiment two is most preferred embodiment.
Step 5. in sterilization pool in, be additionally provided with apparatus for ultraviolet disinfection.
The present invention is not limited to described embodiments.For a person skilled in the art, the present invention is not being departed from In the case where principle and spirit, a variety of change, modification, replacement and modification are carried out to these embodiments, are still fallen within of the invention In protection scope.

Claims (7)

1. a kind of sewage treatment process, it is characterised in that: include the following steps,
1. sewage is introduced the sedimentation basin that bottom is v-shaped structure, sewage draining exit is arranged in precipitating bottom of pond portion, after sewage introduces, precipitates 1- 3h；
2. passing through tilting grid by the sewage of step 1. carries out prefiltration, remove the bulk in sewage is in suspend or float The solid pollutant of state, grid are located at the water inlet of flocculation basin；
3. the sewage 2. filtered by step is introduced flocculation basin, it is equipped with agitating device in flocculation basin, passes through automatic medicine adding apparatus Flocculant aqueous solution is added, adds flocculation aid agent, the dosage of flocculant aqueous solution is 200-400mg/l, and is stirred continuously 2- 4h, the revolving speed 100-180r/min of agitating device；
4. neutralization pond will be introduced by step 3. treated sewage, neutralizer is added into neutralization pond, removes the change in sewage Learn ion；
5. will introduce in aeration tank by step 4. treated sewage, the organic matter in sewage and microorganism are removed；
6. will be introduced in sterilization pool by step 5. treated sewage, disinfectant is added, water is led into water storage after disinfection treatment Pond.
2. sewage treatment process as described in claim 1, it is characterised in that: 1. flocculant aqueous solution and help wadding that step is added The volume ratio of agent is 20:1-40:1.
3. sewage treatment process as claimed in claim 2, it is characterised in that: the flocculant is polymerization Polyferric Sulfate silicon flocculant.
4. sewage treatment process as claimed in claim 2, it is characterised in that: the flocculation aid agent is anionic polyacrylamide Amine.
5. sewage treatment process as described in claim 1, it is characterised in that: step 2. in grid, be equipped with by current direction Three, respectively coarse grid, middle grid and thin grid, the width of coarse grid is 60-100mm, the width of middle grid is 10- 50mm, thin grid width be 2-9mm.
6. sewage treatment process as described in claim 1, it is characterised in that: step 5. in aeration tank bottom of pond be equipped with multiple groups Aerator, every group of aerator include multiple variable micro-hole aerators.
7. sewage treatment process as described in claim 1, it is characterised in that: step 6. in disinfectant include following parts by weight Several component: 4-8 parts of aluminum sulfate, 10-12 parts of diatomite, 3-4 parts of ethylene glycol stearate, 6-9 parts of Moxifloxacin, single persulfuric acid 5-7 parts of hydrogen sodium, 6-8 parts of citric acid, 4-6 parts of lactic acid, 10-13 parts of nonionic surfactant, 200-300 parts of water.
CN201811272372.4A 2018-10-30 2018-10-30 A kind of domestic sewage treatment process Withdrawn CN109231703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811272372.4A CN109231703A (en) 2018-10-30 2018-10-30 A kind of domestic sewage treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811272372.4A CN109231703A (en) 2018-10-30 2018-10-30 A kind of domestic sewage treatment process

Publications (1)

Publication Number Publication Date
CN109231703A true CN109231703A (en) 2019-01-18

Family

ID=65078966

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811272372.4A Withdrawn CN109231703A (en) 2018-10-30 2018-10-30 A kind of domestic sewage treatment process

Country Status (1)

Country Link
CN (1) CN109231703A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112079474A (en) * 2020-07-31 2020-12-15 张家港市大新污水处理有限公司 Sewage treatment process for sludge reduction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112079474A (en) * 2020-07-31 2020-12-15 张家港市大新污水处理有限公司 Sewage treatment process for sludge reduction

Similar Documents

Publication Publication Date Title
CN101274800B (en) Film separated activated sludge apparatus
CN109592840A (en) A kind of School Wastewater processing unit
CN101468863A (en) Hospital waste water purification system
JP4482717B1 (en) Domestic wastewater advanced purification treatment circulation system and domestic wastewater advanced purification treatment circulation method using the same
CN209537233U (en) A kind of trade effluent advanced treatment system
CN209292178U (en) A kind of Sewage Disposal suitable for biological industry garden the dirty water decontamination handles
JP2013141640A (en) Apparatus and method for biologically treating organic waste water
KR20090100962A (en) Stock raising onsite wastewater treatment apparatus
CN106186570A (en) One way of life sewage treatment process and equipment
CN109231703A (en) A kind of domestic sewage treatment process
CN210538263U (en) High-efficient filtration clean system of water is bred to sturgeon
CN106145555A (en) A kind of efficient combination processing system for high NH4 source water
CN111747605A (en) Multistage physicochemical-biochemical combined domestic sewage treatment system and treatment method
CN107840542B (en) Sewage treatment method
CN217230493U (en) Water supply device for directly treating micro-polluted river water
CN107857397A (en) A kind of processing system of medical waste water
CN205115196U (en) Circulative cooling discharge water recycle device
CN206033502U (en) High -efficient combination processing system to high ammonia -nitrogen concentration raw water
CN101417847A (en) Domestic living waste water treater
CN108975594A (en) Hospital's sewage disposal device
JPS58128195A (en) Septic tank of hardly disposable sewage of night soil
RU187325U1 (en) SEWAGE TREATMENT DEVICE
CN103553268B (en) A kind of method and apparatus of waste water advanced dephosphorization and reuse
CN206033508U (en) A high -efficient combination processing apparatus for hanging down raw water of organic matter content
KR20110093285A (en) Exclusion equipment nitrogen and phosphorus in aeration tank using sulfur charge membrane bioreactor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20190118

WW01 Invention patent application withdrawn after publication