CN107151068A - A kind of modified technique of sewage recycling - Google Patents

A kind of modified technique of sewage recycling Download PDF

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Publication number
CN107151068A
CN107151068A CN201610117306.4A CN201610117306A CN107151068A CN 107151068 A CN107151068 A CN 107151068A CN 201610117306 A CN201610117306 A CN 201610117306A CN 107151068 A CN107151068 A CN 107151068A
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CN
China
Prior art keywords
sewage
passed
pond
fine fack
grid
Prior art date
Application number
CN201610117306.4A
Other languages
Chinese (zh)
Inventor
林立森
Original Assignee
福建舜德石化有限公司
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 福建舜德石化有限公司 filed Critical 福建舜德石化有限公司
Priority to CN201610117306.4A priority Critical patent/CN107151068A/en
Publication of CN107151068A publication Critical patent/CN107151068A/en

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Classifications

    • 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
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • C02F1/54Treatment 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
    • C02F1/66Treatment 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
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • 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

Abstract

The present invention provides a kind of modified technique of sewage recycling, and operating procedure is as follows:1)Block grid:Pending sewage is adjusted into pH value, first flowed into coarse rack pond, then flow into fine fack pond;2)Precipitation:The sewage after grid pond will be passed through and precipitation is carried out in rectangular sedimentation tank is passed through 3-4 days;3)Chemical treatment:Sewage in sedimentation basin is passed into chemical bath, the mixture of addition medicine aluminium polychloride and polyacrylic acid amide, while stirring sewage;4)Logical fine fack:The sewage after chemical treatment is passed through in fine fack pond again, the flocculent substance in chemical treatment step can be removed;5)Aeration and sedimentation:Sewage after being handled through fine fack is passed through in aerated precipitation tank again;6)Sterilization:Sewage after aeration and sedimentation is carried out disinfection processing, detect it is qualified after discharge, the step of present invention is provided can effectively eliminate most of pollutant in sewage, and the pollution to water body is preferably minimized, and can carry out large-scale being applicable.

Description

A kind of modified technique of sewage recycling
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of modified technique of sewage recycling.
Background technology
Present industrialization development, although the civilization of the mankind achieves unprecedented progress, but in industrialized rapid hair Exhibition so that environmental problem is also outstanding day by day, is also not water pollution, although present tellurian water resource is enriched, but can be direct The water resource utilized by people is fairly limited, and surface water pollution is on the rise, and according to incompletely statistics, 90% city of China Underground water is heavily contaminated, even more startling.
Method for processing sewage now has a lot, typically there is Physical, chemical method, bioanalysis, but for physics The processing of method, it is necessary to Facilities Construction it is more various, and be difficult to be effectively accomplished decontamination for the chemical contamination waste water of difficult degradation Effect, can only remove the suspended pollution of sewage surface, for chemical Treatment, although can remove most of water pollution, But be treated in journey, poisonous and hazardous chemical substance, can usually secondary pollution be produced to water body, although present biology Method processing sewage is optimal performance, is capable of the harmful components in the degraded water body of high degree, and can be significantly reduced pair The secondary pollution of water body, but biodegradable process is slower, it is impossible to it is used as present industrialized extensive sewage disposal.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of modified technique of sewage recycling so that sewage Arriving for technique is further lifted, and can effectively be realized.
To realize object above, the present invention is achieved by the following technical programs:
A kind of modified technique of sewage recycling, operating procedure is as follows:
1)Block grid:Pending sewage is adjusted into pH value in 5.4-5.8, first flowed into coarse rack pond, then flow into fine fack pond;Block Grid processing can effectively remove larger pollution body present in sewage, facilitate follow-up operation.
2)Precipitation:The sewage after grid pond will be passed through and precipitation is carried out in rectangular sedimentation tank is passed through 3-4 days, can be effective The formation of the fine particles of some heavier mass is precipitated, it is possible to decrease substantial amounts of medicine is used in chemical treatment step.
3)Chemical treatment:Sewage in sedimentation basin is passed into chemical bath, addition medicine aluminium polychloride and polypropylene The mixture of sour acid amides, while stirring sewage, enabling effective remove can aluminium polychloride and polyacrylic acid acyl in water body The soluble chemical substance of amine formation floccule.
4)Logical fine fack:The sewage after chemical treatment is passed through in fine fack pond again, can be removed in chemical treatment step Flocculent substance.
5)Aeration and sedimentation:Sewage after being handled through fine fack is passed through in aerated precipitation tank again, and is passed through air capacity 2.0- 4.0m3/min;
6)Sterilization:Sewage after aeration and sedimentation is carried out disinfection processing, detect it is qualified after discharge.
Preferably, the step 1)The grid of the middle coarse rack used is 60-90mm, and the grid of fine fack is 5-6mm;
Preferably, the step 1)Coarse grid, the refined net of middle use use curved structure, the sewage solids now intercepted And floating object.
Preferably, described step 3)The amount of middle addition aluminium polychloride and polyacrylic acid amide, is that every ten thousand tons of sewage gather Close 7-8 tons of aluminium chloride, 7-8 kilograms of polyacrylic acid amide.Pollution of this formula for being to water body is minimum, and can effectively reduce The cost of processing.
Preferably, described step 2), step 5)Produced precipitating sludge is concentrated, and the sludge after concentration is carried out again Landfill or burning disposal, can effectively realize twice laid.
The invention provides a kind of modified technique of sewage recycling, by blocking grid, precipitation, chemical treatment, logical thin Grid, aeration and sedimentation, sterilization, can effectively remove a large amount of wastes present in sewage, and do not greatly reduce in sewage The harm of the chemical toxic substances of presence.The handling process that the present invention is provided, can carry out large-scale application popularization, and single treatment Amount is big.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the implementation of the present invention Example, the technical scheme in the embodiment of the present invention is clearly and completely described.Based on the embodiment in the present invention, this area The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention Scope.
Embodiment 1
The present embodiment provides a kind of modified technique of sewage recycling, and operating procedure is as follows:
1)Block grid:Pending sewage is adjusted into pH value 5.8, first flowed into coarse rack pond, then flow into fine fack pond;Block at grid Reason can effectively remove larger pollution body present in sewage, facilitate follow-up operation.
2)Precipitation:The sewage after grid pond will be passed through and precipitation is carried out in rectangular sedimentation tank is passed through 3-4 days, can be effective The formation of the fine particles of some heavier mass is precipitated, it is possible to decrease substantial amounts of medicine is used in chemical treatment step.
3)Chemical treatment:Sewage in sedimentation basin is passed into chemical bath, addition medicine aluminium polychloride and polypropylene The mixture of sour acid amides, while stirring sewage, enabling effective remove can aluminium polychloride and polyacrylic acid acyl in water body The soluble chemical substance of amine formation floccule.
4)Logical fine fack:The sewage after chemical treatment is passed through in fine fack pond again, can be removed in chemical treatment step Flocculent substance.
5)Aeration and sedimentation:Sewage after being handled through fine fack is passed through in aerated precipitation tank again, and is passed through air capacity 3.0m3/ min;
6)Sterilization:Sewage after aeration and sedimentation is carried out disinfection processing, detect it is qualified after discharge.
Step 1)The grid of the middle coarse rack used is 90mm, and the grid of fine fack is 5mm;
Step 1)Coarse grid, the refined net of middle use use curved structure;
Step 3)The amount of middle addition aluminium polychloride and polyacrylic acid amide, is every ten thousand tons of 7-8 tons of sewage aluminium polychlorides, poly- third 7-8 kilograms of enoic.
Step 2), step 5)Produced precipitating sludge is concentrated, by the sludge after concentration filled again or burning at Reason.
Embodiment 2
The present embodiment provides a kind of modified technique of sewage recycling, and operating procedure is as follows:
1)Block grid:Pending sewage is adjusted into pH value 5.6, first flowed into coarse rack pond, then flow into fine fack pond;Block at grid Reason can effectively remove larger pollution body present in sewage, facilitate follow-up operation.
2)Precipitation:The sewage after grid pond will be passed through and precipitation is carried out in rectangular sedimentation tank is passed through 3-4 days, can be effective The formation of the fine particles of some heavier mass is precipitated, it is possible to decrease substantial amounts of medicine is used in chemical treatment step.
3)Chemical treatment:Sewage in sedimentation basin is passed into chemical bath, addition medicine aluminium polychloride and polypropylene The mixture of sour acid amides, while stirring sewage, enabling effective remove can aluminium polychloride and polyacrylic acid acyl in water body The soluble chemical substance of amine formation floccule.
4)Logical fine fack:The sewage after chemical treatment is passed through in fine fack pond again, can be removed in chemical treatment step Flocculent substance.
5)Aeration and sedimentation:Sewage after being handled through fine fack is passed through in aerated precipitation tank again, and is passed through air capacity 4.0m3/ min;
6)Sterilization:Sewage after aeration and sedimentation is carried out disinfection processing, detect it is qualified after discharge.
Step 1)The grid of the middle coarse rack used is 60mm, and the grid of fine fack is 6mm;
Step 1)Coarse grid, the refined net of middle use use curved structure;
Step 3)The amount of middle addition aluminium polychloride and polyacrylic acid amide, is every ten thousand tons of 7-8 tons of sewage aluminium polychlorides, poly- third 7-8 kilograms of enoic.
Embodiment 3
The present embodiment provides a kind of modified technique of sewage recycling, and operating procedure is as follows:
1)Block grid:Pending sewage is adjusted into pH value 5.4, first flowed into coarse rack pond, then flow into fine fack pond;
2)Precipitation:The sewage after grid pond will be passed through and precipitation is carried out in rectangular sedimentation tank is passed through 3-4 days;
3)Chemical treatment:Sewage in sedimentation basin is passed into chemical bath, addition medicine aluminium polychloride and polyacrylic acid acyl The mixture of amine, while stirring sewage;
4)Logical fine fack:The sewage after chemical treatment is passed through in fine fack pond again, the wadding in chemical treatment step can be removed Shape material;
5)Aeration and sedimentation:Sewage after being handled through fine fack is passed through in aerated precipitation tank again, and is passed through air capacity 2.0m3/min;
6)Sterilization:Sewage after aeration and sedimentation is carried out disinfection processing, detect it is qualified after discharge.
Step 3)The amount of middle addition aluminium polychloride and polyacrylic acid amide is every ten thousand tons of 7-8 tons of sewage aluminium polychlorides, 7-8 kilograms of polyacrylic acid amide.
Step 2), step 5)Produced precipitating sludge is concentrated, by the sludge after concentration filled again or burning at Reason.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments The present invention is described in detail, it will be understood by those within the art that:It still can be to foregoing each implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic;And these modification or Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (5)

1. a kind of modified technique of sewage recycling, it is characterised in that operating procedure is as follows:
1)Block grid:Pending sewage is adjusted into pH value in 5.4-5.8, first flowed into coarse rack pond, then flow into fine fack pond;
2)Precipitation:The sewage after grid pond will be passed through and precipitation is carried out in rectangular sedimentation tank is passed through 3-4 days;
3)Chemical treatment:Sewage in sedimentation basin is passed into chemical bath, addition medicine aluminium polychloride and polyacrylic acid acyl The mixture of amine, while stirring sewage;
4)Logical fine fack:The sewage after chemical treatment is passed through in fine fack pond again;
5)Aeration and sedimentation:Sewage after being handled through fine fack is passed through in aerated precipitation tank again, and is passed through air capacity 2.0-4.0m3/ min;
6)Sterilization:Sewage after aeration and sedimentation is carried out disinfection processing, detect it is qualified after discharge.
2. the modified technique of sewage recycling as claimed in claim 1, it is characterised in that the step 1)Middle use The grid of coarse rack is 60-90mm, and the grid of fine fack is 5-6mm.
3. the modified technique of sewage recycling as claimed in claim 1, it is characterised in that the step 1)Middle use Coarse grid, refined net use curved structure.
4. the modified technique of sewage recycling as claimed in claim 1, it is characterised in that described step 3)Middle addition The amount of aluminium polychloride and polyacrylic acid amide, is every ten thousand tons of 7-8 tons of sewage aluminium polychlorides, 7-8 kilograms of polyacrylic acid amide.
5. the modified technique of sewage recycling as claimed in claim 1, it is characterised in that described step 2), step 5)Produced precipitating sludge is concentrated, and the sludge after concentration is filled or burning disposal again.
CN201610117306.4A 2016-03-02 2016-03-02 A kind of modified technique of sewage recycling CN107151068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610117306.4A CN107151068A (en) 2016-03-02 2016-03-02 A kind of modified technique of sewage recycling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610117306.4A CN107151068A (en) 2016-03-02 2016-03-02 A kind of modified technique of sewage recycling

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107473472A (en) * 2017-09-29 2017-12-15 项心力 A kind of method based on physical chemistry coacervation processing sewage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107473472A (en) * 2017-09-29 2017-12-15 项心力 A kind of method based on physical chemistry coacervation processing sewage

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Application publication date: 20170912