CN1356275A - Integrated treating system and process for cleaning sewage - Google Patents
Integrated treating system and process for cleaning sewage Download PDFInfo
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- CN1356275A CN1356275A CN 01138363 CN01138363A CN1356275A CN 1356275 A CN1356275 A CN 1356275A CN 01138363 CN01138363 CN 01138363 CN 01138363 A CN01138363 A CN 01138363A CN 1356275 A CN1356275 A CN 1356275A
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- sewage
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- flocculation
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- photosynthetic bacteria
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Abstract
A system and method for treating sewage includes detoxicating industrial sewage by pre-treating system of industrial sewage mixing it with life sewage, depositing in a screen deposition pool for removing dregs, photosynthesis in photosynthetic bacteria pool to remove inorganic and organic substraces and increasing oxygen content, removing all organis substance and the most of inorganic substance in biologic membrane reactor, and cleaning by artificial marshland. Its advantages include high effect, and less possesses ground.
Description
The present invention relates to a kind of sewage purification total system and treatment process thereof, be suitable for city domestic sewage improvement and industrial sewage and administer.
Background technology
Along with industrial expansion and Increase of population, the demand of water and the pollution of water increasingly sharpen, and city domestic sewage is administered and the industrial sewage governing problem also becomes more urgent.For a large amount of sewage disposals, at present, usually adopt the mode of sedimentation, barrier, mechanical aeration, anaerobic reaction, aerobic reaction and qualified discharge to handle, this treatment system and mode not only floor space are big, equipment and working cost height, breakdown rate height, and the effect of comprehensive treating process is stable inadequately, still have objectionable impurities in the water of qualified discharge, cause the accumulation of surface water is polluted, be difficult to realize the harmless emission of industrial sewage self-circulation reuse and city domestic sewage.
Summary of the invention
Problem to be solved by this invention is to provide a kind of floor space little at the deficiency of above-mentioned prior art existence, and running cost is low, and the sewage comprehensive treatment effect is good, Sewage treatment systems that purification rate is high and method.
The technical scheme of sewage purification total system of the present invention is: include the industrial sewage pretreatment system, the treatment unit of the next procedure of industrial sewage pretreatment system comprises successively: barrier settling tank 4, photosynthetic bacteria pond 5, biofilm reactor 6 and artificial swamp 7.
In the such scheme, the industrial sewage pretreatment system includes flocculation pretreater 1 and separates thickener 2 with mineral membrane; Also can constitute by other industrial decontamination toxin expelling device.
The technical scheme of sewage purification integrated conduct method of the present invention is: industrial sewage separates the toxin expelling pre-treatment earlier, the pretreated water of industry and other sanitary sewage of city are entered the sedimentation of removing slag of barrier settling tank through water shoot together, yet banishing the photosynthetic bacteria pond utilizes photosynthetic bacteria to eliminate organic and inorganics in the sewage, the oxygen level of water body is increased, enter biofilm reactor again except that whole organism and most of inorganics in anhydrating, COD is reduced to below the 100mg/l, BOD reduces to below the 25mg/l, ammonia nitrogen is below the 1mg/l, enter artificial swamp at last and carry out purifying treatment, the water after the processing reaches surface water three class water quality standards.
The present invention compares with existing Sewage treatment systems has following advantage and positively effect: 1, adopt physics and biochemical mode that sewage is carried out hierarchical synthesis and handle, the decontamination purification effects is good, system handles stable performance, and the additional pollution that can not produce other; 2, the facility floor space is little, and working cost is lower; 3, separating substances that can part is useful when the industrial sewage pre-treatment reclaims, and the water of part also can carry out reuse, forms industrial sewage prime self-circulation reuse, helps to reduce industrial comprehensive cost; 4, purification rate height, the water of discharging can reach surface water three class standards, do not have accumulation and pollute.
Description of drawings
Fig. 1 is the structured flowchart of an embodiment of sewage purification total system of the present invention.
Fig. 2 is the structure iron of the industrial sewage pretreatment system of one embodiment of the invention.
Fig. 3 is the biofilm reactor structural representation of one embodiment of the invention.
Fig. 4 is the artificial swamp structural representation of one embodiment of the invention.
Embodiment
Further describe embodiments of the invention below in conjunction with accompanying drawing.
Embodiment of sewage purification total system of the present invention such as Fig. 1,2,3, shown in 4, include the industrial sewage pretreatment system, the industrial sewage pretreatment system separates thickener 2 by flocculation pretreater 1 and constitutes with mineral membrane, the pretreater that wherein flocculates is formed by flocculation sediment jar 10 and flocculation agent jar 8 and transferpump 9 configurations, flocculation sediment jar top joins with sewage and flocculation agent inlet, the lower end is provided with throw out outlet and valve, below one side is separated thickener 2 through valve and pump 11 and is connected with mineral membrane, mineral membrane separates thickener and is interconnected by concentration tank 12 and membrane separation apparatus 14 and force (forcing) pump 13 and form, membrane separation apparatus is provided with not to be isolated the mouth of a river and isolates the mouth of a river 17, not isolating the mouth of a river links to each other with concentration tank, isolating the mouth of a river and drainageway joins and enters the barrier settling tank, also can link to each other simultaneously with industrial reuse water pipe 3, dispose recoil jar 15 in membrane separation apparatus one side, the recoil jar joins with compressed gas source 16, membrane separation apparatus is made of mineral membrane, mineral membrane is a sill by pottery, with titanium, zirconium, the galactic longitude superfine grinding is to nano level, on body material, high temperature sintering film forming through 1700 ℃, this mineral membrane can be finished the millimeter level, micron order, nano level separation concentrates, has anti-strong acid, highly basic, the characteristic of anti-biological pollution, can bear the pressure about 1Mpa and can work in the environment of high dirt gesture and 800 ℃ to-50 ℃, mineral membrane can be finished separation and spissated operation simultaneously; The water of separating through membrane separation apparatus enters the city domestic sewage pipe network to barrier settling tank 4, remove large granular impurity and mud, the water out of barrier settling tank links to each other with photosynthetic bacteria treating pond 5, the photosynthetic bacteria treating pond need keep a certain amount of photosynthetic bacteria and the temperature more than 5 ℃, photosynthetic bacteria can the part inorganics in the water body and all organism as carbon source in its growth and breeding and nitrogenous source, carry out photosynthesis in the objectionable impurities in eliminating water body, absorb the CO in the water body
2, exhalation O
2, can be sewage increases oxygen concn, improves water quality; The water outlet of photosynthetic bacteria treating pond and biofilm reactor 6 join, biofilm reactor includes biological reactor 19 and mineral membrane separator 21 and recycle pump 22, be placed with pottery ball film biological group 18 in the biological reactor, pottery ball film biological group by diameter be the pottery outer surface of ball of 1 millimeter to make one deck aperture be that 1 micron membranes forms mineral membrane, make microorganism enter in the film or be attached to spheroid formation pottery ball film biological group; Isolate the mouth of a river 20 through biofilm reactor and enter artificial swamp 7, artificial swamp includes waterproof bottom layer 23, be covered with hypothallus 24 on the watertight layer, hypothallus is made of loose matrix and active mud, plant on the hypothallus and be implanted with waterplant 26, be full of water in the wetland, cultivating in the water has planktonic organism and microorganism 25, so that sewage is further purified, the water after artificial swamp is handled can efflux and become reusable water source.Wherein the waterplant in the artificial swamp is the draft class deep water of coring prosperity, very water, pleuston and xylophyta, can be nutritive substance with the inanimate matter in the water.
Sewage purification integrated conduct method embodiment of the present invention is: separate the toxin expelling pre-treatment and comprise that industrial sewage is carried out flocculation sediment to be handled, make the objectionable impurities in the sewage be become macrobead group and the aggressiveness sedimentation by flocculation treatment by flocculation, the supernatant liquor of the sewage that flocculation treatment is crossed adds concentration tank and constantly separates concentrated through membrane separation apparatus then, through the separating for several times circulation, not filtrable aggressiveness and trapped substance are concentrated, objectionable impurities is separated reuse or done other processing, and entering the barrier settling tank by municipal sewage pipe network, pretreated water removes slag and precipitation process, remove large granular impurity and mud, make COD reduce by 5%, BOD reduces by 5%, after SS reduces by 80%, enter the photosynthetic bacteria treating pond and carry out the photosynthesis processing, utilize the function of photosynthetic bacteria, remove COD70%, BOD20%, ammonia nitrogen more than 95% and water in CO
2, increase the O in the water
2After the density, sewage is entered biofilm reactor, by biological soil pick-up and organic membrane filter, increased the microbe density in the water, whole organism and most inorganics have been removed, make COD reduce to 100mg/l, BOD reduces to 25mg/l, below the ammonia nitrogen 1mg/l, the last sewage of biofilm reactor processing is again sent into artificial swamp, utilize microorganism and waterplant in the artificial swamp, sewage is further purified, make it reach the face of land three class water quality standards, promptly COD reduces to 15mg/l, BOD reduces to 4mg/l, discharging again after ammonia nitrogen etc. reach below the 0.1mg/l.
Claims (8)
1, a kind of sewage purification total system, it is characterized in that including the industrial sewage pretreatment system, the treatment unit of the next procedure of industrial sewage pretreatment system comprises successively: barrier settling tank (4), photosynthetic bacteria pond (5), biofilm reactor (6) and artificial swamp (7).
2,, it is characterized in that the industrial sewage pretreatment system includes flocculation pretreater (1) and separates thickener (2) with mineral membrane by the described sewage purification total system of claim 1.
3, by the described sewage purification total system of claim 2, the pretreater that it is characterized in that flocculating is formed by flocculation sediment jar (10) and flocculation agent jar (8) and transferpump (9) configuration, flocculation sediment jar top joins with sewage and flocculation agent inlet, the lower end is provided with throw out outlet and valve, below one side is separated thickener (2) through valve and pump (11) and is connected with mineral membrane, mineral membrane separates thickener and is interconnected by concentration tank (12) and membrane separation apparatus (14) and force (forcing) pump (13) and form, and membrane separation apparatus is provided with not to be isolated the mouth of a river and isolate the mouth of a river (17).
4, by claim 1 or 2 described sewage purification total systems, it is characterized in that biofilm reactor includes biological reactor (19) and mineral membrane separator (21) and recycle pump 22, be placed with pottery ball film biological group (18) in the biological reactor, pottery ball film biological group by diameter be the pottery outer surface of ball of 1 millimeter to make one deck aperture be that 1 micron membranes forms mineral membrane, make microorganism enter in the film or be attached to spheroid formation pottery ball film biological group.
5, by claim 1 or 2 described sewage purification total systems, it is characterized in that artificial swamp includes waterproof bottom layer (23), watertight layer is not covered with hypothallus (24), plant on the hypothallus and be implanted with waterplant (26), be full of water in the wetland, cultivating in the water has planktonic organism and microorganism (25).
6, a kind of sewage purification integrated conduct method, it is characterized in that industrial sewage separates the toxin expelling pre-treatment earlier, the pretreated water of industry and other sanitary sewage of city are entered the sedimentation of removing slag of barrier settling tank through water shoot together, yet banishing the photosynthetic bacteria pond utilizes photosynthetic bacteria to eliminate organic and inorganics in the sewage, the oxygen level of water body is increased, enter biofilm reactor again except that whole organism and most of inorganics in anhydrating, COD is reduced to below the 100mg/l, BOD reduces to below the 25mg/l, ammonia nitrogen is below the 1mg/l, enter artificial swamp at last and carry out purifying treatment, the water after the processing reaches surface water three class water quality standards.
7, by the described sewage purification integrated conduct method of claim 6, it is characterized in that separating the toxin expelling pre-treatment and comprise that industrial sewage is carried out flocculation sediment to be handled, make the objectionable impurities in the sewage be become macrobead group and the aggressiveness sedimentation by flocculation treatment by flocculation, and then the supernatant liquor of the sewage crossed of flocculation treatment adds concentration tank and constantly separate through membrane separation apparatus and to concentrate, through the separating for several times circulation, not filtrable aggressiveness and trapped substance are concentrated, objectionable impurities is separated reuse or done other processing.
8, by the described sewage purification integrated conduct method of claim 6, it is characterized in that separating the toxin expelling pre-treatment and comprise that industrial sewage is carried out flocculation sediment to be handled, make the objectionable impurities in the sewage be become macrobead group and the aggressiveness sedimentation by flocculation treatment by flocculation, the supernatant liquor of the sewage that flocculation treatment is crossed adds concentration tank and constantly separates concentrated through membrane separation apparatus then, through the separating for several times circulation, not filtrable aggressiveness and trapped substance are concentrated, objectionable impurities is separated reuse or done other processing, and entering the barrier settling tank by municipal sewage pipe network, pretreated water removes slag and precipitation process, remove large granular impurity and mud, make COD reduce by 5%, BOD reduces by 5%, after SS reduces by 80%, enter the photosynthetic bacteria treating pond and carry out the photosynthesis processing, utilize the function of photosynthetic bacteria, remove COD70%, BOD20%, ammonia nitrogen more than 95% and water in CO
2, increase the O in the water
2After the density, sewage is entered biofilm reactor, by biological soil pick-up and organic membrane filter, increased the microbe density in the water, whole organism and most inorganics have been removed, make COD reduce to 100mg/l, BOD reduces to 25mg/l, below the ammonia nitrogen 1mg/l, the last sewage of biofilm reactor processing is again sent into artificial swamp, utilize microorganism and waterplant in the artificial swamp, sewage is further purified, make it reach the face of land three class water quality standards, promptly COD reduces to 15mg/l, BOD reduces to 4mg/l, discharging again after ammonia nitrogen etc. reach below the 0.1mg/l.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011383631A CN1141264C (en) | 2001-12-28 | 2001-12-28 | Integrated treating system and process for cleaning sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011383631A CN1141264C (en) | 2001-12-28 | 2001-12-28 | Integrated treating system and process for cleaning sewage |
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| Publication Number | Publication Date |
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| CN1356275A true CN1356275A (en) | 2002-07-03 |
| CN1141264C CN1141264C (en) | 2004-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011383631A Expired - Fee Related CN1141264C (en) | 2001-12-28 | 2001-12-28 | Integrated treating system and process for cleaning sewage |
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| CN (1) | CN1141264C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435486A (en) * | 2011-09-01 | 2012-05-02 | 上海市环境科学研究院 | Method for classifying artificial wetland obstructions and extracting components of artificial wetland obstructions |
| CN105366875A (en) * | 2015-09-25 | 2016-03-02 | 张荣斌 | Urban sewage treatment system |
| CN107673557A (en) * | 2017-10-31 | 2018-02-09 | 安徽舜禹水务股份有限公司 | A kind of decentralized type sewage coupled processing method |
| CN109592850A (en) * | 2018-12-29 | 2019-04-09 | 安徽蓝鼎环保能源科技有限公司 | A kind of G+MBR ecological environment river system repair technology |
| CN109721190A (en) * | 2019-01-30 | 2019-05-07 | 李丽 | A kind of sewage treatment safe operation system of bean product industrial wastewater impact |
| CN110104905A (en) * | 2019-06-11 | 2019-08-09 | 上海桓禹环境科技有限公司 | A kind of chemical industry tail water ecological treatment method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415666C (en) * | 2005-10-09 | 2008-09-03 | 徐祖信 | Combined process of reinforced biochemical flocculation and artificial wet land treatment of sewage |
-
2001
- 2001-12-28 CN CNB011383631A patent/CN1141264C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435486A (en) * | 2011-09-01 | 2012-05-02 | 上海市环境科学研究院 | Method for classifying artificial wetland obstructions and extracting components of artificial wetland obstructions |
| CN105366875A (en) * | 2015-09-25 | 2016-03-02 | 张荣斌 | Urban sewage treatment system |
| CN105366875B (en) * | 2015-09-25 | 2017-10-10 | 四川长河环保工程有限公司 | Urban sewage treatment system |
| CN107673557A (en) * | 2017-10-31 | 2018-02-09 | 安徽舜禹水务股份有限公司 | A kind of decentralized type sewage coupled processing method |
| CN109592850A (en) * | 2018-12-29 | 2019-04-09 | 安徽蓝鼎环保能源科技有限公司 | A kind of G+MBR ecological environment river system repair technology |
| CN109721190A (en) * | 2019-01-30 | 2019-05-07 | 李丽 | A kind of sewage treatment safe operation system of bean product industrial wastewater impact |
| CN110104905A (en) * | 2019-06-11 | 2019-08-09 | 上海桓禹环境科技有限公司 | A kind of chemical industry tail water ecological treatment method |
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| Publication number | Publication date |
|---|---|
| CN1141264C (en) | 2004-03-10 |
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