CN202519129U - System for coprocessing cold-rolled oil-contained wastewater by physical-chemical and bio-chemical methods - Google Patents
System for coprocessing cold-rolled oil-contained wastewater by physical-chemical and bio-chemical methods Download PDFInfo
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- CN202519129U CN202519129U CN2012200507421U CN201220050742U CN202519129U CN 202519129 U CN202519129 U CN 202519129U CN 2012200507421 U CN2012200507421 U CN 2012200507421U CN 201220050742 U CN201220050742 U CN 201220050742U CN 202519129 U CN202519129 U CN 202519129U
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- 239000002351 wastewater Substances 0.000 title abstract description 13
- 238000002306 biochemical method Methods 0.000 title abstract 3
- 239000000126 substance Substances 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000003647 oxidation Effects 0.000 claims abstract description 30
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 30
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 238000005189 flocculation Methods 0.000 claims abstract description 16
- 230000016615 flocculation Effects 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000005188 flotation Methods 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims description 31
- 238000005097 cold rolling Methods 0.000 claims description 14
- 239000004519 grease Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 235000015097 nutrients Nutrition 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- 238000009300 dissolved air flotation Methods 0.000 claims description 6
- 238000010979 pH adjustment Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000033228 biological regulation Effects 0.000 abstract 1
- 230000029219 regulation of pH Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000007764 o/w emulsion Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- -1 inhibiter Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model relates to a system for coprocessing cold-rolled oil-contained wastewater by physical-chemical and bio-chemical methods, and belongs to processing equipment. The processing system comprises an oil-contained wastewater regulation oil-removing pond, a lift pump, an air floatation front reaction flocculation pond, a cavitation air floatation device, a middle reaction flocculation pond, a gas dissolving air floatation device, an air flotation outlet PH regulation pond, a variable frequency lift pump, a cooling device, a biological contact oxidation pond and an MBR membrane pond which are connected in series and in sequence. The processing system can organically combine the physical-chemical and the bio-chemical methods to coprocessing the cold-rolled oil-contained wastewater, a processing structure and equipment of the system are rationally combined and smoothly jointed in sequence, the layout is compact, the operation cost is low, the quality of outlet water is stable, and the processing effect is good.
Description
Technical field
The utility model relates to a kind of materialization, the cold rolling oily(waste)water of biochemical associated treatment system, belongs to the water treating equipment class.
Background technology
Metallurgical cold rolling oily(waste)water is one of more unmanageable at present high density, used water difficult to degradate.Iron and steel enterprise in order to eliminate distortion heat and the overcome friction that produces in the operation of rolling, adopts emulsion or rolled pieces such as plam oil breaker roll, roll bearing to cool off and lubricate in the process of steel rolling.This waste water that contains compositions such as oil in water emulsion, inhibiter, film forming accelerating, lubricant, tensio-active agent, organic acid and organic amine has characteristics such as interim quantity discharged is big, the change of water quality amplitude is big, chemicalstability good, biodegradability is poor, intractability is big.Suspended particle in this waste water and the waste water very easily forms tough greasy filth group, and blocking pipe equipment, influence are produced, and directly discharging will cause severe contamination to environment.Therefore, must carry out strictness to emulsifying liquid waste water and effectively handle, could discharge after up to standard.
Conventional treatment process has: like air supporting method, flocculence, absorption method, inorganic ceramic membrane separation process and biochemical process (containing membrane reactor etc.); These methods all have application in present cold rolling wastewater treatment process; But because the equipment combination is unreasonable, but its treatment effect is all unsatisfactory, can not guarantee system handles effluent quality qualified discharge steady in a long-term; Running cost is high, and maintenance workload is big and very loaded down with trivial details.
Summary of the invention
To above-mentioned existing problems, the purpose of the utility model is to provide a kind of treatment system that is used for carrying out the cold rolling oily(waste)water of metallurgy industry materialization, biochemical associated treatment.
For realizing above-mentioned purpose; The technical solution of the utility model is: a kind of materialization, the cold rolling oily(waste)water of biochemical associated treatment system; Said treatment system is regulated by oily(waste)water and is reacted flocculation basin, cavitation air flotation device, intermediate reaction flocculation basin, dissolved air flotation device, air supporting water outlet PH adjustment pond variable frequency lift pump, refrigerating unit, biological contact oxidation pond, MBR membrane cisterna before grease removal tank, lift pump, the air supporting and arrange in regular turn, and oily(waste)water is regulated grease removal tank and is provided with the homogeneous reflux line, and reflux line is provided with reflux pump; Between described biological contact oxidation pond and MBR membrane cisterna, be provided with the mixed-liquor return pipe; The mixed-liquor return pipe is provided with the mixed-liquor return device, is provided with the spoil disposal pipeline in the bottom of biological contact oxidation pond and MBR membrane cisterna, and the spoil disposal pipeline is provided with sludge pump; The biological contact oxidation pond bottom is provided with aerated conduit; Aerated conduit is provided with first blower unit, and MBR membrane cisterna bottom is provided with the MBR servo duct, and servo duct is provided with second blower unit.
The external biological nutrient liquid throwing device of described biological contact oxidation pond, pipe connection between biological contact oxidation pond and the biological nutrient liquid throwing device.
Described biological contact oxidation pond is in series by three grid ponds.
Owing to adopted above technical scheme; Oily(waste)water adjusting grease removal tank, lift pump, the preceding reaction of air supporting flocculation basin, cavitation air flotation device, intermediate reaction flocculation basin, dissolved air flotation device, air supporting water outlet PH adjustment pond, variable frequency lift pump, refrigerating unit can solve cold rolling oily(waste)water and come water uneven in the utility model materialization, the cold rolling oily(waste)water of the biochemical associated treatment system; Factors such as the change of water quality amplitude is big, chemicalstability is bad are brought the technical problem that overall craft can not steady running; Realize most of waste oil simultaneously to efficient recovery, tentatively remove the oil slick more than 90%, greasy filth and the dregs of fat in the oily(waste)water; For further promoting treatment effect; Biological contact oxidation pond, MBR membrane cisterna in the system; To carry out the collaborative biochemical treatment of further MBR again through the waste water that materialization was handled, this biochemistry section organically combines biological contact oxidation process and plug-flow type active sludge method and membrane bioreactor (MBR), and MBR provides high-concentration activated sludge; The bio-contact oxidation filler is that mikrobe provides the place of living away from home; Improve the anti-high organic loading of biochemical system, ballistic ability greatly, make up to standard that the system effluent quality can be continual and steady, indexs such as COD, SS, BOD are much better than " integrated wastewater discharge standard " (GB8978-1996) first discharge standard.The processing structures of the utility model materialization, the cold rolling oily(waste)water of biochemical associated treatment system and equipment combination are rationally, and be successive smooth and easy, compact in design, and running cost is low, goes out water conditioning, and treatment effect is good.
Description of drawings
Accompanying drawing is the structural representation of the utility model treatment system.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
See accompanying drawing
A kind of materialization, the cold rolling oily(waste)water of biochemical associated treatment system; Said treatment system is regulated reaction flocculation basin 4 before grease removal tank 1, lift pump 2, the air supporting, cavitation air flotation device 5, intermediate reaction flocculation basin 6, dissolved air flotation device 7, air supporting water outlet PH adjustment pond 8, variable frequency lift pump 9, refrigerating unit 10, biological contact oxidation pond 11, MBR membrane cisterna 12 by oily(waste)water and is arranged in regular turn, is connected in series by putting in order.Regulate in the grease removal tank 1 through steam heating at oily(waste)water, make that temperature remains between 50～70 ℃ in the pond, make the oil in the oily(waste)water that good mobility arranged; Be unlikely to take place saponification; Be aided with and add nitric acid, carry out the acid out breakdown of emulsion, oil in water emulsion is separated out; Oily(waste)water is regulated and to be provided with liftable in the grease removal tank 1 and to scrape the Oil and slag scraping machine of rake oil slick, scum silica frost are struck off, and oil slick, scum silica frost adopt geared oil pump to deliver to waste oil storage pond otherwise processed.Oily(waste)water is regulated grease removal tank 1 and is provided with homogeneous reflux line and reflux pump 3, can get the homogeneous effect, and waste water is regulated grease removal tank 1 all right regulating pondage, water quality, removes the oil slick more than 90%, reduces the burden of waste water to subsequent disposal structures or equipment.
Be provided with stirrer in the reaction flocculation basin 4 before the air supporting, can carry out flocculation reaction to oily(waste)water, 5 pairs of oily(waste)waters of cavitation air flotation device carry out air supporting; Remove the larger particles oil droplet; Intermediate reaction flocculation basin 6 can carry out the secondary flocculation reaction to oily(waste)water, and 7 pairs of oily(waste)waters of dissolved air flotation device carry out secondary air supporting, removes the fine particle oil content; Air supporting water outlet PH adjustment pond 8 is used to adjust PH; Be beneficial to follow-up biochemical treatment, the waste water after materialization is handled in variable frequency lift pump 9 main effects is promoted to refrigerating unit 10, the processing of lowering the temperature.Waste water after the cooling gets into biological contact oxidation pond 11; Carry out biochemical treatment; Biological contact oxidation pond 11 is in series by three grid ponds, is respectively equipped with soft biological bridging in the three grid ponds, and soft biological bridging is that mikrobe provides the place of living away from home; Be provided with mixed-liquor return device 15 and mixed-liquor return pipe between biological contact oxidation pond 11 and the MBR membrane cisterna 12; (8000～10000mg/l) mud mixed liquids are back to first lattice of biological contact oxidation pond 11, contact aeration biochemical in subpool subsequently with refrigerating unit 10 cooling water outlet thorough mixing with the high density in the MBR membrane cisterna 12 for mixed-liquor return device 15 and mixed-liquor return pipe; Mixed-liquor return can make the microbe population multiplication; Strengthen the ability of its biochemical ability and anti-anti-shock loading, be provided with spoil disposal pipeline and sludge pump 16 in the bottom of biological contact oxidation pond 11 and MBR membrane cisterna 12, sludge pump 16 is discharged excess sludge from biological contact oxidation pond 11 and MBR membrane cisterna 12; Biological contact oxidation pond 11 bottoms are provided with the aerated conduit and first blower unit 13; First blower unit 13 guarantees biochemical oxygen demand in the biological contact oxidation pond 11, and MBR membrane cisterna 12 bottoms are provided with the MBR servo duct and second blower unit, 14, the second blower unit 14 guarantee the cross-flow velocity of MBR assembly and the biochemical oxygen demand of MBR membrane cisterna 12.The biological contact oxidation pond 11 outer biological nutrient liquid throwing devices 17, pipe connection between biological contact oxidation pond 11 and the biological nutrient liquid throwing device 17 of being provided with.Biological nutrient liquid throwing device 17 can add biological nutrient liquids such as carbon source, N, P, to overcome the malconformation of cold rolling oily(waste)water nutritive ingredient when biochemical, improves the mikrobe life condition.
Claims (3)
1. a materialization, the cold rolling oily(waste)water of biochemical associated treatment system; Comprise before oily(waste)water is regulated grease removal tank (1), lift pump (2), air supporting and react flocculation basin (4), cavitation air flotation device (5), intermediate reaction flocculation basin (6), dissolved air flotation device (7), air supporting water outlet PH adjustment pond (8), variable frequency lift pump (9), refrigerating unit (10), biological contact oxidation pond (11), MBR membrane cisterna (12), biochemical gas blower (13), MBR membrane module gas blower (14), mixed-liquor return device (15), sludge pump (16); It is characterized in that described oily(waste)water regulates reaction flocculation basin (4) before grease removal tank (1), lift pump (2), the air supporting, cavitation air flotation device (5), intermediate reaction flocculation basin (6), dissolved air flotation device (7), air supporting water outlet PH adjustment pond (8), variable frequency lift pump (9), refrigerating unit (10), biological contact oxidation pond (11), MBR membrane cisterna (12) and arrange in regular turn; Oily(waste)water is regulated grease removal tank (1) and is provided with the homogeneous reflux line; Reflux line is provided with reflux pump (3); Between described biological contact oxidation pond (11) and MBR membrane cisterna (12), be provided with the mixed-liquor return pipe; The mixed-liquor return pipe is provided with mixed-liquor return device (15); Bottom at biological contact oxidation pond (11) and MBR membrane cisterna (12) is provided with the spoil disposal pipeline; The spoil disposal pipeline is provided with sludge pump (16), and biological contact oxidation pond (11) bottom is provided with aerated conduit, and aerated conduit is provided with first blower unit (13); MBR membrane cisterna (12) bottom is provided with the MBR servo duct, and servo duct is provided with second blower unit (14).
2. a kind of materialization as claimed in claim 1, the cold rolling oily(waste)water of biochemical associated treatment system; It is characterized in that: the external biological nutrient liquid throwing device of described biological contact oxidation pond (11) (17), pipe connection between biological contact oxidation pond (11) and the biological nutrient liquid throwing device (17).
3. a kind of materialization as claimed in claim 1, the cold rolling oily(waste)water of biochemical associated treatment system, it is characterized in that: described biological contact oxidation pond (11) is in series by three grid ponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200507421U CN202519129U (en) | 2012-02-17 | 2012-02-17 | System for coprocessing cold-rolled oil-contained wastewater by physical-chemical and bio-chemical methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200507421U CN202519129U (en) | 2012-02-17 | 2012-02-17 | System for coprocessing cold-rolled oil-contained wastewater by physical-chemical and bio-chemical methods |
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| Publication Number | Publication Date |
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| CN202519129U true CN202519129U (en) | 2012-11-07 |
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| CN2012200507421U Expired - Lifetime CN202519129U (en) | 2012-02-17 | 2012-02-17 | System for coprocessing cold-rolled oil-contained wastewater by physical-chemical and bio-chemical methods |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276719A (en) * | 2013-07-11 | 2015-01-14 | 宝钢工程技术集团有限公司 | Device used for purifying and recycling cold rolling waste water and application method thereof |
| CN105923924A (en) * | 2016-06-27 | 2016-09-07 | 河南中托力合化学有限公司 | Small-sized petrochemical wastewater treatment device |
| RU2654757C1 (en) * | 2017-05-24 | 2018-05-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Wastewater treatment system |
| CN108328889A (en) * | 2018-02-28 | 2018-07-27 | 宝钢工程技术集团有限公司 | A kind of cold rolling wastewater dregs of fat innocuity disposal system and method |
| CN110104881A (en) * | 2019-05-10 | 2019-08-09 | 武汉碧清环保技术有限责任公司 | A kind of hot rolling oily wastewater materialization and biochemical processing process |
| CN112707584A (en) * | 2020-12-02 | 2021-04-27 | 邯郸钢铁集团有限责任公司 | Method for treating cold-rolling oily wastewater of iron and steel enterprises |
-
2012
- 2012-02-17 CN CN2012200507421U patent/CN202519129U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276719A (en) * | 2013-07-11 | 2015-01-14 | 宝钢工程技术集团有限公司 | Device used for purifying and recycling cold rolling waste water and application method thereof |
| CN104276719B (en) * | 2013-07-11 | 2016-01-20 | 宝钢工程技术集团有限公司 | For purification recovery device and the using method thereof of cold rolling wastewater |
| CN105923924A (en) * | 2016-06-27 | 2016-09-07 | 河南中托力合化学有限公司 | Small-sized petrochemical wastewater treatment device |
| RU2654757C1 (en) * | 2017-05-24 | 2018-05-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Wastewater treatment system |
| CN108328889A (en) * | 2018-02-28 | 2018-07-27 | 宝钢工程技术集团有限公司 | A kind of cold rolling wastewater dregs of fat innocuity disposal system and method |
| CN108328889B (en) * | 2018-02-28 | 2021-03-09 | 宝武水务科技有限公司 | Cold rolling wastewater oil residue harmless treatment system and method |
| CN110104881A (en) * | 2019-05-10 | 2019-08-09 | 武汉碧清环保技术有限责任公司 | A kind of hot rolling oily wastewater materialization and biochemical processing process |
| CN112707584A (en) * | 2020-12-02 | 2021-04-27 | 邯郸钢铁集团有限责任公司 | Method for treating cold-rolling oily wastewater of iron and steel enterprises |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430205 No. 59 Liufang Avenue, Donghu High-tech Development Zone, Wuhan City, Hubei Province Patentee after: Zhongye Southern Urban Environmental Protection Engineering Technology Co., Ltd. Address before: 430071 Dongsha Building, 122 North Road, Wuchang District, Wuhan City, Hubei Province, 15th Floor Patentee before: Wuhan Urban Environment Protection Engineering Techn Co., Ltd. |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Xianwang Document name: Notification of Passing Examination on Formalities |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20121107 |