CN105384305B - A kind of domestic sewage treatment process - Google Patents

A kind of domestic sewage treatment process Download PDF

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Publication number
CN105384305B
CN105384305B CN201510805008.XA CN201510805008A CN105384305B CN 105384305 B CN105384305 B CN 105384305B CN 201510805008 A CN201510805008 A CN 201510805008A CN 105384305 B CN105384305 B CN 105384305B
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pool
water
river course
sewage
incorporated
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CN105384305A (en
Inventor
金文联
徐振
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Qingdao Research Institute of good water ecology, Limited by Share Ltd
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Taicang Zhenfeng Chemical Equipment Co Ltd
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    • 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
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • 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
    • 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
    • C02F3/28—Anaerobic digestion processes
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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  • 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)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses a kind of domestic sewage treatment process, including the steps：Treatment tank is set between 600 meters to 800 meters of river course, is connected in treatment tank and grille well device is set, oil sump is set, intermediate pool is established, establishes regulating reservoir, anaerobic reation pool is set, aerobic biochemical pool is set, sterilization pool is set, clear water reserviors are set, return line and reflux pump are set, central controller and sensor, a kind of domestic sewage treatment process of the present invention are set, step is simple, cost is small, can effectively remove the nitrogen content of sanitary sewage in river course, phosphorus content.

Description

A kind of domestic sewage treatment process
Technical field
The present invention relates to environmental protective chemical industry field, more particularly to a kind of domestic sewage treatment process.
Background technology
In China Yangtze River Delta Region, heaven in human world is just described as since ancient times, still, with expanding economy, in State's population is concentrated to developed regions, very big in Population Distribution In Yangtze River Delta Area density, original crisscross river, 10 years Before, people can directly drink the water in river, laundry, cook, cook, still, now with increasing and tertiary industry for population The rise of industry, nitrogen in river, P elements substantially increase, the waste water in many restaurants, waste residue, leftovers, and fatty material is direct Come under small bridge over the flowing stream, meanwhile, the animal bloodstain of slaughtering industry is also directly discharged into river course, and these Delta Areas belong to flourishing ground Area, the other obvious hommizations in area of ratio China that lavatory is set, rationalizes, cleans, but many small towns lavatory is directly excrement Just also it is discharged into tributary, causes nutrition enrichment in river course, influence aquaculture, further, people eats crab, fish, shrimp Own bodies are damaged again afterwards.
The content of the invention
The present invention solves the technical problem of a kind of domestic sewage treatment process is provided, cost is low, and processing river course is rich Nutrition problem positive effect.
A kind of described domestic sewage treatment process, including the steps：
The first step：Treatment tank is set between 600 meters to 800 meters of river course, connected between treatment tank and river course There is electromagnetic valve, and by river course or pumping plant, the water in river course is incorporated into treatment tank.
Second step：Grille well device is set in described treatment tank connection, removes the plastics of dirty water float first The white garbages such as band, foam, sponge.
3rd step：After setting oil sump, white garbage to remove, sewage is incorporated into oil sump, and uppermost water layer is carried out Collect oil processing, recovery uses as commercial grease.
4th step：Intermediate pool is established, middle tank depth is in 3-5 rice, by slope stillpot, the sewage introducing after deoiling To intermediate pool, while make it that the solid particle such as sand, clod is precipitated in the stillpot of slope, and periodically arrange slope precipitation Precipitation particle in groove, precipitation particle can solidify outward transport, be used as the outer protection embankment around river course.
A kind of optimal technical scheme, grit water separator is set on described slope stillpot, is provided with grit water separator Filter bores, sand water mixed liquid body is subjected to girt-water separation automatically by filter bores, separative efficiency is high, to particle diameter >=0.2mm sand Grain separative efficiency is up to 99%.
5th step：Regulating reservoir is established, middle pool inner water is incorporated into regulating reservoir, water quality adjustment is uniform, and use light Catalysis carries out antivirus processing.
6th step：Anaerobic reation pool is set, and anaerobic reation pool uses concrete structure, and the sewage in regulating reservoir, which enters, to be detested Oxygen reaction tank, most of organic matter in waste water is subjected to anaerobic digestion using anaerobes such as methane backerias, while by sewage Difficult decompose and non-solubility organic matter is changed into labile dissolved organic matter.
7th step：Aerobic biochemical pool is set, and waste water enters aerobic biochemical pool, aerobic life by pipeline in anaerobic reation pool Change pond and use concrete structure, the connecting fan in aerobic biochemical pool, while two are produced using aerobic microbiological decomposing organic matter Carbonoxide and water, while nitrifier is cultivated with the ammonia nitrogen in Decomposition Wastewater, it is converted into nitrate nitrogen.
A kind of optimal technical scheme, the flocculants such as PAC are added in described aerobic biochemical pool, further improve water outlet water Matter, effectively reduce out SS and colourity in sewage.
8th step：Sterilization pool is set, chlorine dioxide generator is connected on sterilization pool, the waste water of aerobic biological tank is incorporated into In sterilization pool, while sludge is set to store pond, anaerobic reation pool, the sludge in aerobe pond is transferred to sludge storage pool The pool, by sterilizing exposure, sludge dewatering equipment dehydration, press filtration, reclaimed as mud cake.
9th step, clear water reserviors are set, the waste water after sterilization pool is introduced clear water reserviors by pipeline, life is set on clear water reserviors Thing filled film, water quality is further purified.
Tenth step：Return line and reflux pump are set, by reflux pump, the water in clear water reserviors is incorporated into return line In, and cinder is set in return line, quick lime, ferric sulfate, hydrogen peroxide and sulphur so that be back in river course, further Coacervation is played to the sewage in river course, purified, disinfective action.
11st step：Central controller and sensor are set, by sensor detect corresponding to pool inner water depth, so as to from Take offence dynamic central controller, control the work of reflux pump, realize the non-stop run of sewage.
The beneficial effects of the invention are as follows：A kind of domestic sewage treatment process of the present invention, step is simple, and cost is small, Neng Gouyou Effect removes the nitrogen content of sanitary sewage in river course, phosphorus content.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that apparent clearly defined so as to be made to protection scope of the present invention.
A kind of described domestic sewage treatment process, including the steps：
The first step：Treatment tank is set between 600 meters to 800 meters of river course, connected between treatment tank and river course There is electromagnetic valve, and by river course or pumping plant, the water in river course is incorporated into treatment tank.
Second step：Grille well device is set in described treatment tank connection, removes the plastics of dirty water float first The white garbages such as band, foam, sponge.
3rd step：After setting oil sump, white garbage to remove, sewage is incorporated into oil sump, and uppermost water layer is carried out Collect oil processing, recovery uses as commercial grease.
4th step：Intermediate pool is established, middle tank depth is in 3-5 rice, by slope stillpot, the sewage introducing after deoiling To intermediate pool, while make it that the solid particle such as sand, clod is precipitated in the stillpot of slope, and periodically arrange slope precipitation Precipitation particle in groove, precipitation particle can solidify outward transport, be used as the outer protection embankment around river course.
A kind of optimal technical scheme, grit water separator is set on described slope stillpot, is provided with grit water separator Filter bores, sand water mixed liquid body is subjected to girt-water separation automatically by filter bores, separative efficiency is high, to particle diameter >=0.2mm sand Grain separative efficiency is up to 99%.
5th step：Regulating reservoir is established, middle pool inner water is incorporated into regulating reservoir, water quality adjustment is uniform, and use light Catalysis carries out antivirus processing.
6th step：Anaerobic reation pool is set, and anaerobic reation pool uses concrete structure, and the sewage in regulating reservoir, which enters, to be detested Oxygen reaction tank, most of organic matter in waste water is subjected to anaerobic digestion using anaerobes such as methane backerias, while by sewage Difficult decompose and non-solubility organic matter is changed into labile dissolved organic matter.
7th step：Aerobic biochemical pool is set, and waste water enters aerobic biochemical pool, aerobic life by pipeline in anaerobic reation pool Change pond and use concrete structure, the connecting fan in aerobic biochemical pool, while two are produced using aerobic microbiological decomposing organic matter Carbonoxide and water, while nitrifier is cultivated with the ammonia nitrogen in Decomposition Wastewater, it is converted into nitrate nitrogen.
A kind of optimal technical scheme, the flocculants such as PAC are added in described aerobic biochemical pool, further improve water outlet water Matter, effectively reduce out SS and colourity in sewage.
8th step：Sterilization pool is set, chlorine dioxide generator is connected on sterilization pool, the waste water of aerobic biological tank is incorporated into In sterilization pool, while sludge is set to store pond, anaerobic reation pool, the sludge in aerobe pond is transferred to sludge storage pool The pool, by sterilizing exposure, sludge dewatering equipment dehydration, press filtration, reclaimed as mud cake.
9th step, clear water reserviors are set, the waste water after sterilization pool is introduced clear water reserviors by pipeline, life is set on clear water reserviors Thing filled film, water quality is further purified.
Tenth step：Return line and reflux pump are set, by reflux pump, the water in clear water reserviors is incorporated into return line In, and cinder is set in return line, quick lime, ferric sulfate, hydrogen peroxide and sulphur so that be back in river course, further Coacervation is played to the sewage in river course, purified, disinfective action.
11st step：Central controller and sensor are set, by sensor detect corresponding to pool inner water depth, so as to from Take offence dynamic central controller, control the work of reflux pump, realize the non-stop run of sewage.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, it is included within the scope of the present invention.

Claims (3)

  1. A kind of 1. domestic sewage treatment process, it is characterised in that including：The steps：
    The first step：Treatment tank is set between 600 meters to 800 meters of river course, is connected between treatment tank and river course Electromagnetic valve, and by river course or pumping plant, the water in river course is incorporated into treatment tank；
    Second step：Grille well device is set in described treatment tank connection, removes the plastic tape of dirty water float, bubble first Foam, sponge；
    3rd step：After setting oil sump, white garbage to remove, sewage is incorporated into oil sump, and uppermost water layer is carried out oil-collecting Processing, recovery use as commercial grease；
    4th step：Intermediate pool is established, the depth bounds of intermediate pool is 3-5 meters, by slope stillpot, the sewage after deoiling Intermediate pool is incorporated into, while make it that solid particle is precipitated in the stillpot of slope；
    5th step：Regulating reservoir is established, middle pool inner water is incorporated into regulating reservoir, water quality adjustment is uniform, and use photocatalysis Carry out antivirus processing；
    6th step：Anaerobic reation pool is set, and anaerobic reation pool uses concrete structure, and it is anti-that the sewage in regulating reservoir enters anaerobism Ying Chi, most of organic matter in waste water is subjected to anaerobic digestion using anaerobe, while difficult in sewage is decomposed and non- Dissolved organic matter is changed into labile dissolved organic matter；
    7th step：Aerobic biochemical pool is set, and waste water enters aerobic biochemical pool, aerobic biochemical pool by pipeline in anaerobic reation pool Using concrete structure, the connecting fan in aerobic biochemical pool, while produce titanium dioxide using aerobic microbiological decomposing organic matter Carbon and water, while nitrifier is cultivated with the ammonia nitrogen in Decomposition Wastewater, it is converted into nitrate nitrogen；
    8th step：Sterilization pool is set, chlorine dioxide generator is connected on sterilization pool, the waste water of aerobic biological tank is incorporated into sterilization In pond, while sludge is set to store pond, anaerobic reation pool, the sludge in aerobe pond is transferred to sludge and stores pond, By sterilizing exposure, sludge dewatering equipment dehydration, press filtration, reclaimed as mud cake；
    9th step, clear water reserviors are set, the waste water after sterilization pool is introduced clear water reserviors by pipeline, sets biology to fill out on clear water reserviors Expect film, water quality is further purified；
    Tenth step：Return line and reflux pump are set, by reflux pump, the water in clear water reserviors is incorporated into return line, and Cinder, quick lime, ferric sulfate, hydrogen peroxide and sulphur are set in return line so that are back in river course, further to river course In sewage play coacervation, purify, disinfective action；
    11st step：Central controller and sensor are set, by sensor detect corresponding to pool inner water depth, so as to open automatically Dynamic central controller, controls the work of reflux pump, realizes the non-stop run of sewage.
  2. A kind of 2. domestic sewage treatment process according to claim 1, it is characterised in that in the 4th described step, slope Grit water separator is set on stillpot, filter bores are provided with grit water separator, by filter bores automatically by sand water mixed liquid body Girt-water separation is carried out, separative efficiency is high, to particle diameter >=0.2mm sand grains separative efficiency up to 99%.
  3. A kind of 3. domestic sewage treatment process according to claim 1, it is characterised in that in the 7th described step, Addition flocculant, further improves effluent quality in described aerobic biochemical pool, effectively reduces effluent SS and colourity.
CN201510805008.XA 2015-11-20 2015-11-20 A kind of domestic sewage treatment process Active CN105384305B (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106430760A (en) * 2016-10-28 2017-02-22 浙江奇彩环境科技股份有限公司 River way water in-situ purification system
CN108002655A (en) * 2017-12-20 2018-05-08 北京路鹏达环境工程有限公司 A kind of domestic sewage treatment process
CN108715501A (en) * 2018-05-07 2018-10-30 苏州亚得宝消防设备有限公司 A kind of sour water treatment process
CN109336337A (en) * 2018-11-30 2019-02-15 上海沁竺环境科技有限公司 The device of sewage and bed mud in a kind of Combined Treatment black-odor riverway
CN109516642A (en) * 2018-12-19 2019-03-26 杭州博天环保科技有限公司 A kind of river sewage treatment process
CN110550844B (en) * 2019-08-20 2020-10-20 四川大学 Domestic sewage's processing system
CN110590068A (en) * 2019-09-27 2019-12-20 李卫星 Sewage recycling system that district was used

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560035B (en) * 2009-05-21 2011-02-02 潍坊金丝达印染有限公司 Printing and dyeing sewage recycling treatment method
CN102557331B (en) * 2010-12-28 2014-02-19 中国瑞林工程技术有限公司 Urban sewage treating modular combined system and treating process
CN103073153B (en) * 2013-01-18 2014-08-13 东华大学 Municipal domestic wastewater treatment and comprehensive recycling equipment and method thereof
CN104692584A (en) * 2013-12-10 2015-06-10 上海熊猫机械集团环保科技有限公司 A/O-water plant riverway water treatment equipment
CN104445807B (en) * 2014-10-31 2019-05-31 中国石油化工股份有限公司 A kind of wastewater treatment equipment and its treatment process containing methyl diethanolamine

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Effective date of registration: 20180806

Address after: 266024 12A, Hisense Bay Tower, 226 Ruichang Road, Shibei District, Qingdao, Shandong

Patentee after: Qingdao Research Institute of good water ecology, Limited by Share Ltd

Address before: 215421 4 group of Zhonghe village, Shaxi Town, Taicang City, Suzhou, Jiangsu

Patentee before: TAICANG ZHENFENG CHEMICAL EQUIPMENT CO., LTD.

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