CN108793487A - A kind of industrial sewage process method - Google Patents

A kind of industrial sewage process method Download PDF

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Publication number
CN108793487A
CN108793487A CN201810549756.XA CN201810549756A CN108793487A CN 108793487 A CN108793487 A CN 108793487A CN 201810549756 A CN201810549756 A CN 201810549756A CN 108793487 A CN108793487 A CN 108793487A
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CN
China
Prior art keywords
sewage
passed
water
reaction tank
process method
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
Application number
CN201810549756.XA
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Chinese (zh)
Inventor
刘耀中
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.)
Sichuan Austrian Environmental Protection Technology Co Ltd
Original Assignee
Sichuan Austrian Environmental Protection Technology Co Ltd
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Priority to CN201810549756.XA priority Critical patent/CN108793487A/en
Publication of CN108793487A publication Critical patent/CN108793487A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245Treatment 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62Heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/34Organic compounds containing oxygen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

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 industrial sewage process methods comprising following processing step:(1)Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir;(2)Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and remove grease using airfloat equipment;(3)Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, is constantly stirred in reaction tank;(4)Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time;(5)Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs;(6)Water in PH regulating reservoirs is passed through in filtering ponds and is filtered.The purpose of the present invention is to provide a kind of industrial sewage process methods, can effectively remove grease, phosphorus and heavy metal ion in trade effluent, and can efficiently be filtered to water quality.

Description

A kind of industrial sewage process method
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of industrial sewage process method.
Background technology
With the continuous improvement of productivity, the industry sewage discharged with life is also more and more, and the discharge of sewage is to ring The pollution in border has prodigious harm, can also cause a large amount of aquatic organisms dead in sewage discharge to lake, anhydrous to be divided by source The harm of trade effluent, sanitary sewage, rural sewage and medical sewage etc., wherein trade effluent is the most serious, trade effluent one Denier, which is discharged into lake, can cause a large amount of aquatic organism dead, and therefore, how efficiently, inexpensive processing trade effluent becomes A major issue in current industrial production.
Invention content
The purpose of the present invention is to provide a kind of industrial sewage process method, can effectively remove grease in trade effluent, Phosphorus and heavy metal ion, and water quality can efficiently be filtered.
In order to solve the above technical problems, the present invention uses following technical scheme:
A kind of industrial sewage process method, comprises the following steps that:
Step A:Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir;
Step B:Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and gone using airfloat equipment Except grease;
Step C:Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, It is constantly stirred in reaction tank;
Step D:Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time;
Step E:Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs;
Step F:Water in PH regulating reservoirs is passed through in filtering ponds and is filtered.
Further, grid is provided on the regulating reservoir in the step A, sewage need to be passed into regulating reservoir by grid It is interior.
Further, Ca is added into coagulation reaction tank in the step C(OH)2、PAC、PAM。
Further, the quantity of coagulative precipitation tank is no less than 2 in the step E, and the sewage is in coagulative precipitation tank The time of standing is 15-20min.
Further, in the step F filtering ponds from top to bottom be active carbon filter core layer, far infrared activating ball filter layer, PP filter core layers.
Compared with prior art, the beneficial effects of the invention are as follows:
The processing trade effluent of sewage water treatment method energy provided by the invention efficiently, stable, can remove grease, the phosphorus etc. in decontaminated water Some heavy metal ion, and the PH of sewage can be adjusted and further water quality is filtered, water quality after processing Clean pollution-free, method and step provided by the invention is simple, and treatment effeciency is higher.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to invention into Row is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit The fixed present invention.
Embodiment 1:
The present invention provides a kind of industrial sewage process method, comprises the following steps that:
Step A:Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir, regulating reservoir is provided to sewage treatment load Buffer capacity, prevent the change dramatically of processing system load;
Step B:Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and gone using airfloat equipment Except grease;
Step C:Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, It is constantly stirred in reaction tank;
Step D:Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time so that is insoluble in water Contamination precipitation is in pond;
Step E:Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs;
Step F:Water in PH regulating reservoirs is passed into filtering ponds and is filtered, can be discharged after having filtered.
Embodiment 2:
The present invention provides a kind of industrial sewage process method, comprises the following steps that:
Step A:Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir, grid, sewage are provided on regulating reservoir It need to be passed into regulating reservoir by grid, the floating material in sewage can be blocked in by setting grid and avoid blocking pipeline outside;
Step B:Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and gone using airfloat equipment Except grease;
Step C:Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, It is constantly stirred in reaction tank;
Step D:Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time;
Step E:Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs;
Step F:Water in PH regulating reservoirs is passed through in filtering ponds and is filtered.
Embodiment 3:
The present invention provides a kind of industrial sewage process method, comprises the following steps that:
Step A:Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir, grid, sewage are provided on regulating reservoir It need to be passed into regulating reservoir by grid, the floating material in sewage can be blocked in by setting grid and avoid blocking pipeline outside;
Step B:Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and gone using airfloat equipment Except grease;
Step C:Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, It is constantly stirred in reaction tank, Ca is added in coagulation reaction tank(OH)2, PAC, PAM, pass through and the flocculations such as PAC be added Agent can be reacted and be agglomerated with heavy metal ion, adsorbed and precipitated;
Step D:Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time;
Step E:Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs, it is described The quantity of coagulative precipitation tank is no less than 2 in step E, and the time that the sewage is stood in coagulative precipitation tank is 15-20min;
Step F:Water in PH regulating reservoirs is passed through in filtering ponds and is filtered.
Embodiment 4:
The present invention provides a kind of industrial sewage process method, comprises the following steps that:
Step A:Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir, grid, sewage are provided on regulating reservoir It need to be passed into regulating reservoir by grid, the floating material in sewage can be blocked in by setting grid and avoid blocking pipeline outside;
Step B:Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and gone using airfloat equipment Except grease;
Step C:Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, It is constantly stirred in reaction tank, Ca is added in coagulation reaction tank(OH)2, PAC, PAM, pass through and the flocculations such as PAC be added Agent can be reacted and be agglomerated with heavy metal ion, adsorbed and precipitated;
Step D:Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time, the number of coagulative precipitation tank Amount no less than 2, since sewage need to precipitate a period of time, when sewage quantity is big, can be sunk towards different coagulative precipitation tanks It forms sediment, avoids the stand-by period using coagulative precipitation tank, improve treatment effeciency, what the sewage was stood in coagulative precipitation tank Time is 15-20min, can be carried out when precipitating in next step;
Step E:Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs;
Step F:Water in PH regulating reservoirs is passed through in filtering ponds and is filtered.
Embodiment 5:
The present invention provides a kind of industrial sewage process method, comprises the following steps that:
Step A:Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir, grid, sewage are provided on regulating reservoir It need to be passed into regulating reservoir by grid, the floating material in sewage can be blocked in by setting grid and avoid blocking pipeline outside;
Step B:Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and gone using airfloat equipment Except grease;
Step C:Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, It is constantly stirred in reaction tank, Ca is added in coagulation reaction tank(OH)2, PAC, PAM, pass through and the flocculations such as PAC be added Agent can be reacted and be agglomerated with heavy metal ion, adsorbed and precipitated;
Step D:Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time, the number of coagulative precipitation tank Amount no less than 2, since sewage need to precipitate a period of time, when sewage quantity is big, can be sunk towards different coagulative precipitation tanks It forms sediment, avoids the stand-by period using coagulative precipitation tank, improve treatment effeciency, what the sewage was stood in coagulative precipitation tank Time is 15-20min, can be carried out when precipitating in next step;
Step E:Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs;
Step F:Water in PH regulating reservoirs is passed through in filtering ponds and is filtered, filtering ponds from top to bottom be active carbon filter core layer, Far infrared activating ball filter layer, PP filter core layers, further purify water quality by filtering layer by layer, and remove in water Peculiar smell.
" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specification Example " etc. refers to that specific features, structure or the feature of embodiment description is combined to be included in the description of the application generality extremely In few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into one For step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementations Example realizes that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in this Shen It please be within disclosed scope and spirit.It more specifically, within the scope of the present disclosure and claims, can be to master The building block or layout for inscribing composite configuration carry out various deformation and improvement.In addition to building block or layout carry out deformation and Outside improving, to those skilled in the art, other purposes also will be apparent.

Claims (5)

1. a kind of industrial sewage process method, it is characterised in that:It comprises the following steps that:
Step A:Sewage after oil removing is passed through progress cushioning collecting sewage in regulating reservoir;
Step B:Trade effluent is passed into oil separator, and CaCl is added in sewage2Demulsifier, and gone using airfloat equipment Except grease;
Step C:Sewage in oil separator is delivered in coagulation reaction tank by pump except the heavy metal ion and phosphorus in decontaminated water, It is constantly stirred in reaction tank;
Step D:Sewage in coagulation reaction tank is passed through in coagulative precipitation tank, and stands a period of time;
Step E:Water in coagulative precipitation tank is passed into PH regulating reservoirs, and PH conditioning agents are added in PH regulating reservoirs;
Step F:Water in PH regulating reservoirs is passed through in filtering ponds and is filtered.
2. a kind of industrial sewage process method according to claim 1, it is characterised in that:Regulating reservoir in the step A On be provided with grid, sewage need to be passed by grid in regulating reservoir.
3. a kind of industrial sewage process method according to claim 1, it is characterised in that:It is anti-toward coagulation in the step C Ca is added in Ying Chizhong(OH)2、PAC、PAM。
4. a kind of industrial sewage process method according to claim 1, it is characterised in that:Coagulating sedimentation in the step D The quantity in pond is no less than 2, and the time that the sewage is stood in coagulative precipitation tank is 15-20min.
5. a kind of industrial sewage process method according to claim 1, it is characterised in that:In the step F filtering ponds from On from it is lower for active carbon filter core layer, far infrared activating ball filter layer, PP filter core layers.
CN201810549756.XA 2018-05-31 2018-05-31 A kind of industrial sewage process method Pending CN108793487A (en)

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Application Number Priority Date Filing Date Title
CN201810549756.XA CN108793487A (en) 2018-05-31 2018-05-31 A kind of industrial sewage process method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112777779A (en) * 2019-11-11 2021-05-11 广东红海湾发电有限公司 Oily wastewater treatment method

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CN102616958A (en) * 2012-03-29 2012-08-01 安徽省天虹绿洲环保科技有限公司 Treatment technology of low concentration electroplating wastewater
CN103739107A (en) * 2013-11-14 2014-04-23 安徽省绿巨人环境技术有限公司 Treatment process for wastewater of household appliance product degreasing process

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112777779A (en) * 2019-11-11 2021-05-11 广东红海湾发电有限公司 Oily wastewater treatment method

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Application publication date: 20181113