CN105152386A - Mixed sewage treatment technology - Google Patents
Mixed sewage treatment technology Download PDFInfo
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- CN105152386A CN105152386A CN201510251675.8A CN201510251675A CN105152386A CN 105152386 A CN105152386 A CN 105152386A CN 201510251675 A CN201510251675 A CN 201510251675A CN 105152386 A CN105152386 A CN 105152386A
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- sewage
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- reaction tank
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Abstract
The invention discloses a mixed sewage treatment technology. The technology comprises 1, industrial sewage collection, 2, sewage deposition, 3, sewage treatment, 4, oxidation treatment, 5, pH adjustment, 6, filtration, 7, final adjustment and 8, discharge. The mixed sewage treatment technology has comprehensive and simple processes, can adjust harmful element content and pH value of mixed sewage to discharge standards, has a low cost and high efficiency and is worth of popularization.
Description
Technical field
The present invention relates to technical field of industrial sewage treatment, particularly a kind of composite wastewater treatment process.
Background technology
Sewage disposal is the water quality requirement for making sewage reach a certain water body of draining or reuse, and to the process that it purifies.Sewage disposal is widely used in building, agricultural, and the every field such as traffic, the energy, petrochemical industry, environmental protection, urban look, medical treatment, food and drink, also come into the daily life of common people more and more.
The main economic and technical indices of the process choice of sewage disposal comprises: the water yield investment of process unit, the pollutent investment of reduction unit, process unit water yield power consumption and cost, reduction unit pollutent power consumption and cost, floor space, operating performance reliability, management maintenance complexity, total environment benefit etc.
And the element that the process of composite wastewater contains due to it is more, so process cumbersome, be not easy to reach emission standard.
Summary of the invention
The object of this invention is to provide a kind of technique simple, cost is low, the composite wastewater treatment process of good sewage processing effect.
For achieving the above object, the invention provides a kind of composite wastewater treatment process, comprise the following steps:
1) industrial sewage is collected: unify to collect and classify to be stored in sewage collecting pool from manufacturing district by the production waste of each factory;
2) settlement of sewage: with lift pump by the sewage input oil trap in sewage collecting pool or settling pit, carry out sufficient sedimentation and filtration in oil trap or settling pit;
3) sewage disposal: the sewage through precipitation enters reaction tank, PH controller and multiple stage dosing pump is provided with in reaction tank, by sewage input air flotation pool after treatment after abundant reflection, air dissolved pump and air supporting reliever is utilized to be blown afloat by the scum silica frost in sewage, and utilize sludge pump and dregs scraper to be cleared up by scum silica frost, the sewage input intermediate pool handled well;
4) oxide treatment: sewage is inputted advanced oxidation pond from intermediate pool, advanced oxidation pond is provided with PH controller, ORP controller and multiple stage dosing pump, enter reduction pond after process more further to react, reduction pond is provided with ORP controller and multiple stage dosing pump;
5) pH value regulates: the sewage through oxide treatment enters the adjustment that pH value is carried out in third order reaction pond, and first first step reaction tank arranges a dosing pump, and second stage reaction tank arranges PH controller and a dosing pump, and third stage reaction tank arranges a dosing pump;
6) filter: after the sewage of pH value adjustment enters secondary sedimentation basins precipitation, filter through sandfiltration pot;
7) adjust eventually: sewage after filtering enters adjusts pond eventually, adjusts pond to be provided with PH controller and dosing pump eventually;
8) discharge: the sewage storage after adjusting eventually is banishing pond, discharge by emission standard after qualified after testing.
Wherein, in sewage treatment step, reaction tank is provided with 4 dosing pumps, is respectively used to add PAC, PAM, H
2sO
4and NaOH, in oxidation treatment step, advanced oxidation pond is provided with 3 dosing pumps, is respectively used to add H
2sO
4,h
2o
2and FeSO
4, reduction pond is provided with 2 dosing pumps, is respectively used to add NaHSO
3and FeSO
4, in pH value regulating step, first step reaction tank is provided with 1 dosing pump, for adding Na
2s, second stage reaction tank is provided with 1 dosing pump, and for adding NaOH, third stage reaction tank is provided with 1 dosing pump, for adding PAM, rapid in whole pacing, adjusts pond to be provided with 1 dosing pump, for adding H eventually
2sO
4; Wherein H
2sO
4concentration is 50%, and concentration is NaOH32%, PAC concentration be 5%, PAM concentration is 0.1 ~ 3%, H
2o
2concentration is 27%, FeSO
4concentration is 5%, NaHSO
3concentration is 10%, Na
2s concentration is 1-5%.
Composite wastewater treatment process of the present invention, technique is simple, and comprehensively, the harmful element in composite wastewater and pH value can be adjusted to emission standard, and cost ineffective rate being high, is the composite wastewater treatment process be worthy to be popularized in process.
As the preferred technical solution of the present invention, described oil trap or settling pit are Tube separators or settling pit, and pond base fabric has the water pipe of inclination.Tube separators or settling pit sedimentation effect number, and the residue of precipitation is not easy to stir suspension.
As a further improvement on the present invention, between sewage collecting pool and oil trap or settling pit, be also provided with equalizing tank, in equalizing tank, be provided with liquidometer and under meter; Intermediate pool is provided with liquidometer and under meter; Between secondary sedimentation basins and sandfiltration pot, be also provided with ceramic filter, secondary sedimentation basins is provided with multiple stage sludge pump.In order to make pipe duct and structures normally work, be not subject to the impact of sewage peak flow or change in concentration, need arrange equalizing tank before sewage treatment facility, liquidometer and under meter can control sewage load.
Further, the filtration unit for nickeliferous sewage is also provided with after adjusting pond eventually, comprise activated charcoal filter, UF system, middle transition pond and RO system, wherein the valve of activated charcoal filter is Pneumatic butterfly valve, quartz sand in activated charcoal filter and gac layered arrangement, in UF system, be provided with scavenging pump and pneumatic ball valve, middle transition pond is provided with topping-up pump and scavenging pump, have 2 cartridge filters, pneumatic ball valve and high-pressure pump at RO Operation system setting.
Wherein, being also provided with water purifying tank between tune pond and the filtration unit for nickeliferous sewage eventually, water purifying tank is provided with reclaiming system clarified water pump.
Filtration unit can filter for nickeliferous sewage further, substantially can remove the nickel content in water, makes the water after processing reach the standard of reuse.
Composite wastewater treatment process of the present invention, through series of steps such as precipitation, process, oxide treatment, pH value adjustment and filtrations, by suitable medicament, composite wastewater is processed, make composite wastewater finally reach emission standard, better effect to reach standard for drinking, and technique is simple, process comprehensively, harmful element in composite wastewater and pH value can be adjusted to emission standard, and cost ineffective rate being high, is the composite wastewater treatment process be worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
The preferred technical solution of the present invention is described in detail below in conjunction with accompanying drawing.
Composite wastewater treatment process of the present invention, comprises the following steps:
1) industrial sewage is collected: unify to collect and classify to be stored in sewage collecting pool from manufacturing district by the production waste of each factory;
2) settlement of sewage: with lift pump by the sewage input oil trap in sewage collecting pool or settling pit, carry out sufficient sedimentation and filtration in oil trap or settling pit;
3) sewage disposal: the sewage through precipitation enters reaction tank, and be provided with PH controller and 4 dosing pumps in reaction tank, 4 dosing pumps are respectively used to add PAC, PAM, H
2sO
4and NaOH, fully after reflection, sewage is after treatment inputted air flotation pool, utilize air dissolved pump and air supporting reliever to be blown afloat by the scum silica frost in sewage, and utilize sludge pump and dregs scraper to be cleared up by scum silica frost, the sewage input intermediate pool handled well;
4) oxide treatment: sewage is inputted advanced oxidation pond from intermediate pool, advanced oxidation pond is provided with PH controller, ORP controller and 3 dosing pumps, and 3 dosing pumps are respectively used to add H
2sO
4,h
2o
2and FeSO
4, enter reduction pond after process again and further react, reduction pond is provided with ORP controller and 2 dosing pumps, is respectively used to add NaHSO
3and FeSO
4;
5) pH value regulates: the sewage through oxide treatment enters the adjustment that pH value is carried out in third order reaction pond, and first first step reaction tank arranges 1 dosing pump, for adding Na
2s, second stage reaction tank arranges PH controller and a dosing pump, and 1 dosing pump is used for adding NaOH, and third stage reaction tank arranges a dosing pump, and 1 dosing pump is used for adding PAM;
6) filter: after the sewage of pH value adjustment enters secondary sedimentation basins precipitation, filter through sandfiltration pot;
7) adjust eventually: sewage after filtering enters adjusts pond eventually, and adjust pond to be provided with PH controller and 1 dosing pump eventually, 1 dosing pump is used for adding H
2sO
4;
8) discharge: the sewage storage after adjusting eventually is banishing pond, discharge by emission standard after qualified after testing.
Wherein, H
2sO
4concentration is 50%, and concentration is NaOH32%, PAC concentration be 5%, PAM concentration is 0.1 ~ 3%, H
2o
2concentration is 27%, FeSO
4concentration is 5%, NaHSO
3concentration is 10%, Na
2s concentration is 1-5%.Described oil trap or settling pit are Tube separators or settling pit, and pond base fabric has the water pipe of inclination; Between sewage collecting pool and oil trap or settling pit, be also provided with equalizing tank, in equalizing tank, be provided with liquidometer and under meter; Intermediate pool is provided with liquidometer and under meter; Between secondary sedimentation basins and sandfiltration pot, be also provided with ceramic filter, secondary sedimentation basins is provided with multiple stage sludge pump.
Further, the filtration unit for nickeliferous sewage is also provided with after adjusting pond eventually, comprise activated charcoal filter, UF system, middle transition pond and RO system, wherein the valve of activated charcoal filter is Pneumatic butterfly valve, quartz sand in activated charcoal filter and gac layered arrangement, in UF system, be provided with scavenging pump and pneumatic ball valve, middle transition pond is provided with topping-up pump and scavenging pump, have 2 cartridge filters, pneumatic ball valve and high-pressure pump at RO Operation system setting.
Wherein, being also provided with water purifying tank between tune pond and the filtration unit for nickeliferous sewage eventually, water purifying tank is provided with reclaiming system clarified water pump.
Composite wastewater treatment process of the present invention, technique is simple, and comprehensively, the harmful element in composite wastewater and pH value can be adjusted to emission standard, and cost ineffective rate being high, is the composite wastewater treatment process be worthy to be popularized in process.
Tube separators or settling pit sedimentation effect number, and the residue of precipitation is not easy to stir suspension.
In order to make pipe duct and structures normally work, be not subject to the impact of sewage peak flow or change in concentration, need arrange equalizing tank before sewage treatment facility, liquidometer and under meter can control sewage load.
Filtration unit can filter for nickeliferous sewage further, substantially can remove the nickel content in water, makes the water after processing reach the standard of reuse.
Composite wastewater treatment process of the present invention, through series of steps such as precipitation, process, oxide treatment, pH value adjustment and filtrations, by suitable medicament, composite wastewater is processed, make composite wastewater finally reach emission standard, better effect to reach the standard of drinking, and technique is simple, process comprehensively, harmful element in composite wastewater and pH value can be adjusted to emission standard, and cost ineffective rate being high, is the composite wastewater treatment process be worthy to be popularized.NaHSO in reduction pond
3and FeSO
4according to circumstances add by a certain percentage, finally monitor with ORP controller; In activated charcoal filter, quartz sand and gac add with certain proportion layering, to improve the filter effect of activated charcoal filter.
Equalizing tank is mainly widely applied as the pre-treatment structures of the balanced water yield and water quality in Industrial Waste Water Treatments station.
ORP controller represents the redox potential of solution.ORP value is the measurement index of aqueous solution chlorination reducing power, and its unit is mv.It is counted by ORP combined electrode and mv and forms.ORP electrode is a kind of electrode that can carry out electron absorption or release on its sensitive layer surface, and this sensitive layer is a kind of inert metal, normally makes of platinum and Jin Lai.
Composite wastewater treatment process of the present invention, controls in real time to flow, all monitors pH value or ORP value in the dosing reactions steps that each needs, and makes reaction process more accurate, raises the efficiency, also improve treatment effect.
Claims (9)
1. a composite wastewater treatment process, is characterized in that comprising the following steps:
1) industrial sewage is collected: unify to collect and classify to be stored in sewage collecting pool from manufacturing district by the production waste of each factory;
2) settlement of sewage: with lift pump by the sewage input oil trap in sewage collecting pool or settling pit, carry out sufficient sedimentation and filtration in oil trap or settling pit;
3) sewage disposal: the sewage through precipitation enters reaction tank, PH controller and multiple stage dosing pump is provided with in reaction tank, by sewage input air flotation pool after treatment after abundant reflection, air dissolved pump and air supporting reliever is utilized to be blown afloat by the scum silica frost in sewage, and utilize sludge pump and dregs scraper to be cleared up by scum silica frost, the sewage input intermediate pool handled well;
4) oxide treatment: sewage is inputted advanced oxidation pond from intermediate pool, advanced oxidation pond is provided with PH controller, ORP controller and multiple stage dosing pump, enter reduction pond after process more further to react, reduction pond is provided with ORP controller and multiple stage dosing pump;
5) pH value regulates: the sewage through oxide treatment enters the adjustment that pH value is carried out in third order reaction pond, and first first step reaction tank arranges a dosing pump, and second stage reaction tank arranges PH controller and a dosing pump, and third stage reaction tank arranges a dosing pump;
6) filter: after the sewage of pH value adjustment enters secondary sedimentation basins precipitation, filter through sandfiltration pot;
7) adjust eventually: sewage after filtering enters adjusts pond eventually, adjusts pond to be provided with PH controller and dosing pump eventually;
8) discharge: the sewage storage after adjusting eventually is banishing pond, discharge by emission standard after qualified after testing.
2. composite wastewater treatment process as claimed in claim 1, it is characterized in that: in sewage treatment step, reaction tank is provided with 4 dosing pumps, is respectively used to add PAC, PAM, H
2sO
4and NaOH, in oxidation treatment step, advanced oxidation pond is provided with 3 dosing pumps, is respectively used to add H
2sO
4,h
2o
2and FeSO
4, reduction pond is provided with 2 dosing pumps, is respectively used to add NaHSO
3and FeSO
4, in pH value regulating step, first step reaction tank is provided with 1 dosing pump, for adding Na
2s, second stage reaction tank is provided with 1 dosing pump, and for adding NaOH, third stage reaction tank is provided with 1 dosing pump, for adding PAM, rapid in whole pacing, adjusts pond to be provided with 1 dosing pump, for adding H eventually
2sO
4.
3. composite wastewater treatment process as claimed in claim 2, is characterized in that: wherein H
2sO
4concentration is 50%, and concentration is NaOH32%, PAC concentration be 5%, PAM concentration is 0.1 ~ 3%, H
2o
2concentration is 27%, FeSO
4concentration is 5%, NaHSO
3concentration is 10%, Na
2s concentration is 1-5%.
4. composite wastewater treatment process as claimed in claim 1, is characterized in that: described oil trap or settling pit are Tube separators or settling pit, and pond base fabric has the water pipe of inclination.
5. composite wastewater treatment process as claimed in claim 1, is characterized in that: between sewage collecting pool and oil trap or settling pit, be also provided with equalizing tank, is provided with liquidometer and under meter in equalizing tank.
6. composite wastewater treatment process as claimed in claim 1, is characterized in that: intermediate pool is provided with liquidometer and under meter.
7. composite wastewater treatment process as claimed in claim 1, is characterized in that: between secondary sedimentation basins and sandfiltration pot, be also provided with ceramic filter, secondary sedimentation basins is provided with multiple stage sludge pump.
8. as the composite wastewater treatment process in claim 1 to 7 as described in any one claim, it is characterized in that: after adjusting pond eventually, be also provided with the filtration unit for nickeliferous sewage, comprise activated charcoal filter, UF system, middle transition pond and RO system, wherein the valve of activated charcoal filter is Pneumatic butterfly valve, quartz sand in activated charcoal filter and gac layered arrangement, scavenging pump and pneumatic ball valve is provided with in UF system, middle transition pond is provided with topping-up pump and scavenging pump, 2 cartridge filters are had at RO Operation system setting, pneumatic ball valve and high-pressure pump.
9. composite wastewater treatment process as claimed in claim 8, is characterized in that: being also provided with water purifying tank between tune pond and the filtration unit for nickeliferous sewage eventually, water purifying tank is provided with reclaiming system clarified water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251675.8A CN105152386A (en) | 2015-05-18 | 2015-05-18 | Mixed sewage treatment technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251675.8A CN105152386A (en) | 2015-05-18 | 2015-05-18 | Mixed sewage treatment technology |
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| Publication Number | Publication Date |
|---|---|
| CN105152386A true CN105152386A (en) | 2015-12-16 |
Family
ID=54793513
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510251675.8A Pending CN105152386A (en) | 2015-05-18 | 2015-05-18 | Mixed sewage treatment technology |
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|---|---|
| CN (1) | CN105152386A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753262A (en) * | 2016-04-27 | 2016-07-13 | 安徽得奇环保科技股份有限公司 | Sewage treatment technology |
| CN107162254A (en) * | 2017-05-17 | 2017-09-15 | 安徽得奇环保科技股份有限公司 | A kind of electroplating waste processing process |
| CN108467132A (en) * | 2018-03-30 | 2018-08-31 | 大连理工大学 | A method of processing Treating Electroplate Wastewater Containing Nickel realizes qualified discharge |
| CN109824198A (en) * | 2019-03-13 | 2019-05-31 | 苏州希图环保科技有限公司 | A kind of oil-containing high-salt wastewater processing system and technique |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753262A (en) * | 2016-04-27 | 2016-07-13 | 安徽得奇环保科技股份有限公司 | Sewage treatment technology |
| CN107162254A (en) * | 2017-05-17 | 2017-09-15 | 安徽得奇环保科技股份有限公司 | A kind of electroplating waste processing process |
| CN108467132A (en) * | 2018-03-30 | 2018-08-31 | 大连理工大学 | A method of processing Treating Electroplate Wastewater Containing Nickel realizes qualified discharge |
| CN109824198A (en) * | 2019-03-13 | 2019-05-31 | 苏州希图环保科技有限公司 | A kind of oil-containing high-salt wastewater processing system and technique |
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Application publication date: 20151216 |