CN103613247A - Treatment process for bearing production wastewater - Google Patents
Treatment process for bearing production wastewater Download PDFInfo
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- CN103613247A CN103613247A CN201310630793.0A CN201310630793A CN103613247A CN 103613247 A CN103613247 A CN 103613247A CN 201310630793 A CN201310630793 A CN 201310630793A CN 103613247 A CN103613247 A CN 103613247A
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Abstract
The invention discloses a treatment process for bearing production wastewater. The treatment process comprises the following steps: firstly, enabling bearing production wastewater to enter an oil-separation adjusting tank; separating floating oil in the wastewater and agitating uniformly; then lifting the wastewater into a cavitation air floatation system to remove suspension matters and petroleum in the wastewater; conveying the wastewater treated by the cavitation air floatation system into an iron-carbon micro-electrolysis reactor and carrying out a Fenton reagent and iron-carbon micro-electrolysis combined oxidation reaction to reduce chemical oxygen demand and improve the ratio value of biochemical oxygen demand/chemical oxygen demand of the wastewater; conveying the wastewater reacted in the iron-carbon micro-electrolysis reactor into a coagulation precipitation tank, adjusting the pH (Potential of Hydrogen) and carrying out a coagulation and flocculation reaction; enabling reacted liquid supernatant to flow into a middle water pond to sequentially enter a UASB (Up-flow Anaerobic Sludge Bed/Blanket) anaerobic reaction tank, a CASS (Cyclic Activated Sludge System) reaction tank and a water discharging tank and filtering by a multi-medium filter; discharging after the water reaches standards. The treatment process is simple in management and good in wastewater treatment effect; a sludge expansion problem which usually and easily occurs in a traditional active sludge method is overcome; the water can be discharged after the water quality reaches the standards and the treatment process is good for protecting the ecological environment.
Description
Technical field
The present invention relates to the processing of mechanical manufacturing field waste water, specifically a kind for the treatment of process of Production of bearing waste water.
Background technology
Bearing enterprise is mainly produced inner ring and outer ring and the bearing finished products of bearing.Basic displacement hull is made as combined system, and factory effluent, sanitary sewage, rainwater merge discharge, and wherein sanitary sewage occupies certain proportion.Factory effluent is mainly derived from each mill floor cleaning water, equipment evaporating, emitting, dripping or leaking of liquid or gas water and emulsifying liquid waste water.Waste water, as not treated direct discharge, certainly will cause severe contamination to environment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind for the treatment of process of Production of bearing waste water, and Production of bearing waste water reaches emission standard after treatment, has protected environment.
Technical scheme of the present invention is:
A treatment process for Production of bearing waste water, comprises the following steps:
(1), Production of bearing waste water enters in oil removal equalizing tank, and the oil slick in waste water is excluded and stirred, be then promoted in cavitation air flotation system and utilize polymerize aluminum chloride, polyacrylamide wherein to remove suspended substance and petroleum-type in waste water;
(2), the waste water of cavitation air flotation system after processing enters iron-carbon micro-electrolysis reactor, in iron-carbon micro-electrolysis reactor, through Fenton reagent and the reactivity of iron-carbon micro-electrolysis co-oxidation, reduce chemical oxygen demand (COD) and improve the ratio of the biochemical oxygen demand (BOD)/chemical oxygen demand (COD) of waste water;
(3), in iron-carbon micro-electrolysis reactor, reacted waste water enters coagulative precipitation tank adjusting PH and mixes flocculation reaction, in reacted supernatant liquor inflow intermediate pool, also adds wherein nitrogen, phosphorus nutrition salt;
(4), waste water enters UASB anaerobic reation pool after by intermediate pool successively, CASS reaction tank is processed, and enters blowoff basin after processing, filters qualified discharge finally by crossing more medium filter.
Described Production of bearing waste water, before entering oil removal equalizing tank, is first removed larger floating matter and impurity in sewage through artificial grid.
Described oil removal equalizing tank includes and is arranged at the oil trap of front end and the equalizing tank of setting and rear end, and described oil trap excludes the oil slick in sewage, establishes underwater stirrer and stir and make water quality and quantity balanced in described equalizing tank.
Waste water in described waste water step (1) after the processing of oil removal equalizing tank promotes by sucking pump the cavitation air flotation system that enters; Waste water after described cavitation air flotation system is processed enters iron-carbon micro-electrolysis reactor after by tube mixer, and described tube mixer leading portion adds sulfuric acid and is 3-4 by online digital display PH meter regulating and controlling pH value, and back segment adds H
2o
2, in iron-carbon micro-electrolysis reactor, occur to be reacted as Fenton method and the iron-carbon micro-electrolysis co-oxidation of catalyzer by Fe2+.
In described iron-carbon micro-electrolysis reactor, iron carbon filler is set, bottom arranges aerating apparatus.
Described coagulative precipitation tank includes the coagulating groove that is arranged at front end and the tilted plate separator that is arranged at rear end, at coagulating groove feed-water end feeding lime breast, regulate waste water pH value, make it be neutral, add polyacrylamide simultaneously waste water is mixed to flocculation reaction.
The mud of described cavitation air flotation system, coagulative precipitation tank, UASB anaerobic reation pool and the discharge of CASS reaction tank enters sludge thickener, and after chamber filter press press filtration, percolate is back to oil removal equalizing tank, mud cake outward transport.
Advantage of the present invention:
(1), the present invention is conducive to Operating condition adjustment, overcome the normal incident sludge bulking problem of traditional activated sludge process;
(2), originally do invention management simple, treatment effect is stable, reliable;
(3), the present invention is without arranging second pond, CASS reaction tank has equalizing tank, biological tank, the several functions such as second pond concurrently;
(4), the present invention carries out solid-liquid separation under stationary condition, goes out clarification of water of fine quality;
(5), the present invention has good anti impulsion load ability, thereby according to the effluent quality situation adjust operation cycle, up to standard to guarantee effluent quality.
Accompanying drawing explanation
Fig. 1 is schema of the present invention.
Embodiment
A treatment process for Production of bearing waste water, comprises the following steps:
(1), Production of bearing waste water is first removed larger floating matter and impurity in sewage through artificial grid 1, then enter in oil removal equalizing tank 2, oil slick in waste water is excluded and stir that (oil removal equalizing tank includes and is arranged at the oil trap of front end and the equalizing tank of setting and rear end, oil trap excludes the oil slick in sewage, in equalizing tank, establish underwater stirrer stir make the water quality and quantity balanced), then by sucking pump, be promoted in cavitation air flotation system 3 and utilize polymerize aluminum chloride, polyacrylamide wherein to remove suspended substance and petroleum-type in waste water;
(2), cavitation air flotation system 3 waste water after processing enters in iron-carbon micro-electrolysis reactor 4(iron-carbon micro-electrolysis reactor after by tube mixer iron carbon filler is set, bottom arranges aerating apparatus, by aeration, prevent that in reactor, Fe-C plate is tied), tube mixer leading portion adds sulfuric acid and is 3-4 by online digital display PH meter regulating and controlling pH value, and back segment adds H
2o
2, in iron-carbon micro-electrolysis reactor, occur to be reacted as Fenton method and the iron-carbon micro-electrolysis co-oxidation of catalyzer by Fe2+, reduce chemical oxygen demand (COD) and improve the ratio of wastewater biochemical oxygen requirement/chemical oxygen demand (COD);
(3), at the interior reacted waste water of iron-carbon micro-electrolysis reactor 4, enter coagulative precipitation tank 5 and regulate PH and mix flocculation reaction that (coagulative precipitation tank includes the coagulating groove that is arranged at front end and the tilted plate separator that is arranged at rear end, at coagulating groove feed-water end feeding lime breast, regulate waste water pH value, make it be neutral, add polyacrylamide simultaneously waste water mixed to flocculation reaction), reacted supernatant liquor flows in intermediate pool 6 and adds wherein nitrogen, phosphorus nutrition salt;
(4), waste water enters UASB anaerobic reation pool 7 after by intermediate pool 6 successively, CASS reaction tank 8 is processed, and enters blowoff basin 9 after processing, filters qualified discharge finally by crossing more medium filter 10.
Wherein, the mud of cavitation air flotation system 3, coagulative precipitation tank 5, UASB anaerobic reation pool 7 and 8 discharges of CASS reaction tank enters sludge thickener 11, and after chamber filter press 12 press filtrations, percolate is back to oil removal equalizing tank 2, mud cake outward transport.
Effluent quality after the present invention processes: PH:6～9, CODcr :≤100 mg/L, BOD5 :≤20mg/L, SS :≤70mg/L, petroleum-type≤5mg/L.
Each section of effluent quality index of table 1 the present invention (unit is all with mg/L)
Above content is only to technique example of the present invention and explanation; affiliated those skilled in the art make various modifications to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the technique of invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (7)
1. a treatment process for Production of bearing waste water, is characterized in that: comprise the following steps:
(1), Production of bearing waste water enters in oil removal equalizing tank, and the oil slick in waste water is excluded and stirred, be then promoted in cavitation air flotation system and utilize polymerize aluminum chloride, polyacrylamide wherein to remove suspended substance and petroleum-type in waste water;
(2), the waste water of cavitation air flotation system after processing enters iron-carbon micro-electrolysis reactor, in iron-carbon micro-electrolysis reactor, through Fenton reagent and the reactivity of iron-carbon micro-electrolysis co-oxidation, reduce chemical oxygen demand (COD) and improve the ratio of the biochemical oxygen demand (BOD)/chemical oxygen demand (COD) of waste water;
(3), in iron-carbon micro-electrolysis reactor, reacted waste water enters coagulative precipitation tank adjusting PH and mixes flocculation reaction, in reacted supernatant liquor inflow intermediate pool, also adds wherein nitrogen, phosphorus nutrition salt;
(4), waste water enters UASB anaerobic reation pool after by intermediate pool successively, CASS reaction tank is processed, and enters blowoff basin after processing, filters qualified discharge finally by crossing more medium filter.
2. according to the treatment process of a kind of Production of bearing waste water described in right 1, it is characterized in that: described Production of bearing waste water, before entering oil removal equalizing tank, is first removed larger floating matter and impurity in sewage through artificial grid.
3. according to the treatment process of a kind of Production of bearing waste water described in right 1, it is characterized in that: described oil removal equalizing tank includes and is arranged at the oil trap of front end and the equalizing tank of setting and rear end, described oil trap excludes the oil slick in sewage, establishes underwater stirrer and stir and make water quality and quantity balanced in described equalizing tank.
4. according to the treatment process of a kind of Production of bearing waste water described in right 1, it is characterized in that: the waste water in described waste water step (1) after the processing of oil removal equalizing tank promotes by sucking pump the cavitation air flotation system that enters; Waste water after described cavitation air flotation system is processed enters iron-carbon micro-electrolysis reactor after by tube mixer, and described tube mixer leading portion adds sulfuric acid and is 3-4 by online digital display PH meter regulating and controlling pH value, and back segment adds H
2o
2, in iron-carbon micro-electrolysis reactor, occur to be reacted as Fenton method and the iron-carbon micro-electrolysis co-oxidation of catalyzer by Fe2+.
5. according to the treatment process of a kind of Production of bearing waste water described in right 1, it is characterized in that: in described iron-carbon micro-electrolysis reactor, iron carbon filler is set, bottom arranges aerating apparatus.
6. according to the treatment process of a kind of Production of bearing waste water described in right 1, it is characterized in that: described coagulative precipitation tank includes the coagulating groove that is arranged at front end and the tilted plate separator that is arranged at rear end, at coagulating groove feed-water end feeding lime breast, regulate waste water pH value, make it be neutral, add polyacrylamide simultaneously waste water is mixed to flocculation reaction.
7. according to the treatment process of a kind of Production of bearing waste water described in right 1, it is characterized in that: the mud of described cavitation air flotation system, coagulative precipitation tank, UASB anaerobic reation pool and the discharge of CASS reaction tank enters sludge thickener, after chamber filter press press filtration, percolate is back to oil removal equalizing tank, mud cake outward transport.
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104450146A (en) * | 2014-10-23 | 2015-03-25 | 苏州市宝玛数控设备有限公司 | Treatment method of waste micro-electrolysis cutting fluid |
| CN105585184A (en) * | 2016-03-11 | 2016-05-18 | 河海大学 | Method and device for treating circulating spray liquid discharged by printing and dyeing wastewater deodorization system |
| CN105819596A (en) * | 2016-03-31 | 2016-08-03 | 广州绿日环保科技有限公司 | Device and method for treating wastewater by polybasic coal-iron-carbon |
| CN105884153A (en) * | 2016-06-29 | 2016-08-24 | 盐城工学院 | Novel chemical wastewater treatment process |
| CN105884154A (en) * | 2016-06-29 | 2016-08-24 | 盐城工学院 | Novel combined process for treating chemical wastewater |
| CN105948408A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Method for treating chemical wastewater through IFBR-EGSB-CASS (Improved Fluidized Bed Reactor-Expanded Granular Sludge Bed-Cyclic Activated Sludge System) process |
| CN105948410A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | IFBR-EGSB-SBR (Improved Fluidized Bed Reactor-Expanded Granular Sludge Bed-Sequencing Batch Reactor) combined process for treating chemical wastewater |
| CN105948407A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Novel IFBR-UASB-ICEAS (Improved Fluidized Bed Reactor-Upflow Anaerobic Sludge Bed-Intermittent Cyclic Extended Aeration System) process for treating industrial wastewater |
| CN105948409A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Novel method for treating industrial wastewater through combined processes |
| CN105948411A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Novel industrial wastewater treatment process |
| CN106881319A (en) * | 2017-01-19 | 2017-06-23 | 大连利丰包装有限公司 | The plastic box purging system and its method of work of a kind of sewage zero-discharge |
| CN107226592A (en) * | 2017-07-24 | 2017-10-03 | 上海问鼎环保科技有限公司 | A kind of lead salt produces the handling process of waste water |
| CN107954556A (en) * | 2016-01-14 | 2018-04-24 | 张作玮 | A kind of food and drink waste water oil removal treatment system |
| CN109574140A (en) * | 2019-01-14 | 2019-04-05 | 华东理工大学 | The two-stage waterpower oil removal method of oil refining waste water |
| CN110723852A (en) * | 2019-10-28 | 2020-01-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Treatment method of cold rolling wastewater |
| CN110981115A (en) * | 2019-12-27 | 2020-04-10 | 江苏旭龙水务有限公司 | Waste emulsion treatment device and waste emulsion treatment method thereof |
| CN111153564A (en) * | 2020-02-26 | 2020-05-15 | 广东广深环保科技有限公司 | System and method for treating emulsion wastewater |
| CN112679045A (en) * | 2020-12-26 | 2021-04-20 | 深圳市智盾环保科技有限公司 | Waste emulsion treatment method and treatment system |
| CN114409175A (en) * | 2021-12-07 | 2022-04-29 | 陕西航天机电环境工程设计院有限责任公司 | System and method for treating wastewater generated in anthraquinone process hydrogen peroxide production by electrolytic flocculation method |
| CN116514345A (en) * | 2023-06-13 | 2023-08-01 | 西安东方宏业科技股份有限公司 | Domestic sewage treatment device and method |
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| CN102139969A (en) * | 2011-05-11 | 2011-08-03 | 上海膜达克环保工程有限公司 | Emulsified oil waste water treatment system and process |
| CN102229458A (en) * | 2011-05-13 | 2011-11-02 | 十堰碧水源环保技术中心 | Emulsion-containing waste water treatment method in automobile industry |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102139969A (en) * | 2011-05-11 | 2011-08-03 | 上海膜达克环保工程有限公司 | Emulsified oil waste water treatment system and process |
| CN102229458A (en) * | 2011-05-13 | 2011-11-02 | 十堰碧水源环保技术中心 | Emulsion-containing waste water treatment method in automobile industry |
Cited By (25)
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| CN104450146A (en) * | 2014-10-23 | 2015-03-25 | 苏州市宝玛数控设备有限公司 | Treatment method of waste micro-electrolysis cutting fluid |
| CN107954556A (en) * | 2016-01-14 | 2018-04-24 | 张作玮 | A kind of food and drink waste water oil removal treatment system |
| CN105585184A (en) * | 2016-03-11 | 2016-05-18 | 河海大学 | Method and device for treating circulating spray liquid discharged by printing and dyeing wastewater deodorization system |
| CN105585184B (en) * | 2016-03-11 | 2018-06-19 | 河海大学 | A kind of the circulated sprinkling liquid processing method and device of the discharge of dyeing waste water deodoration system |
| CN105819596A (en) * | 2016-03-31 | 2016-08-03 | 广州绿日环保科技有限公司 | Device and method for treating wastewater by polybasic coal-iron-carbon |
| CN105948410A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | IFBR-EGSB-SBR (Improved Fluidized Bed Reactor-Expanded Granular Sludge Bed-Sequencing Batch Reactor) combined process for treating chemical wastewater |
| CN105948411B (en) * | 2016-06-29 | 2019-02-01 | 盐城工学院 | A kind of technique for treating industrial wastewater |
| CN105948407A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Novel IFBR-UASB-ICEAS (Improved Fluidized Bed Reactor-Upflow Anaerobic Sludge Bed-Intermittent Cyclic Extended Aeration System) process for treating industrial wastewater |
| CN105948409A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Novel method for treating industrial wastewater through combined processes |
| CN105948411A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Novel industrial wastewater treatment process |
| CN105948408A (en) * | 2016-06-29 | 2016-09-21 | 盐城工学院 | Method for treating chemical wastewater through IFBR-EGSB-CASS (Improved Fluidized Bed Reactor-Expanded Granular Sludge Bed-Cyclic Activated Sludge System) process |
| CN105948407B (en) * | 2016-06-29 | 2019-05-07 | 盐城工学院 | IFBR-UASB-ICEAS handles industrial wastewater technique |
| CN105884154A (en) * | 2016-06-29 | 2016-08-24 | 盐城工学院 | Novel combined process for treating chemical wastewater |
| CN105884153A (en) * | 2016-06-29 | 2016-08-24 | 盐城工学院 | Novel chemical wastewater treatment process |
| CN106881319A (en) * | 2017-01-19 | 2017-06-23 | 大连利丰包装有限公司 | The plastic box purging system and its method of work of a kind of sewage zero-discharge |
| CN106881319B (en) * | 2017-01-19 | 2019-03-29 | 大连利丰包装有限公司 | A kind of the plastic container cleaning system and its working method of sewage zero-discharge |
| CN107226592A (en) * | 2017-07-24 | 2017-10-03 | 上海问鼎环保科技有限公司 | A kind of lead salt produces the handling process of waste water |
| CN109574140A (en) * | 2019-01-14 | 2019-04-05 | 华东理工大学 | The two-stage waterpower oil removal method of oil refining waste water |
| CN110723852A (en) * | 2019-10-28 | 2020-01-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Treatment method of cold rolling wastewater |
| CN110981115A (en) * | 2019-12-27 | 2020-04-10 | 江苏旭龙水务有限公司 | Waste emulsion treatment device and waste emulsion treatment method thereof |
| CN111153564A (en) * | 2020-02-26 | 2020-05-15 | 广东广深环保科技有限公司 | System and method for treating emulsion wastewater |
| CN112679045A (en) * | 2020-12-26 | 2021-04-20 | 深圳市智盾环保科技有限公司 | Waste emulsion treatment method and treatment system |
| CN114409175A (en) * | 2021-12-07 | 2022-04-29 | 陕西航天机电环境工程设计院有限责任公司 | System and method for treating wastewater generated in anthraquinone process hydrogen peroxide production by electrolytic flocculation method |
| CN116514345A (en) * | 2023-06-13 | 2023-08-01 | 西安东方宏业科技股份有限公司 | Domestic sewage treatment device and method |
| CN116514345B (en) * | 2023-06-13 | 2023-12-01 | 西安东方宏业科技股份有限公司 | Domestic sewage treatment device and method |
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Application publication date: 20140305 |