CN102826711A - Energy-saving and environmental-protection process flow of sewage treatment - Google Patents
Energy-saving and environmental-protection process flow of sewage treatment Download PDFInfo
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- CN102826711A CN102826711A CN2012103036326A CN201210303632A CN102826711A CN 102826711 A CN102826711 A CN 102826711A CN 2012103036326 A CN2012103036326 A CN 2012103036326A CN 201210303632 A CN201210303632 A CN 201210303632A CN 102826711 A CN102826711 A CN 102826711A
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Abstract
An energy-saving and environmental-protection process flow of sewage treatment relates to the technical field of sewage treatment. The process flow is characterized by comprising the following steps: collecting waste water containing heavy metal through pipelines, sending into a grilling drainage and passing through a crude grilling; sending the waste water filtered by the crude grilling into a collecting well; supercharging the waste water in the collecting well through a pump and then lifting to an adjusting tank; stirring with a submersible mixer mounted in the adjusting tank; sending the waste water stirred in the adjusting tank to a pH adjusting tank through a lift pump; sending the waste water in the pH adjusting tank to a coagulation reaction tank; sending the waste water in the coagulation reaction tank into a primary settling tank for preliminary sedimentation; enabling supernatant in the primary settling tank to gravity flow to an A/O biochemical tank; decomposing the waste water in the A/O biochemical tank and then sending to a secondary settling tank; sending supernatant obtained through secondary sedimentation in the secondary settling tank to an middle tank; lifting the waste water in the middle tank to an active carbon pot through a pump; and sending the waste water adsorbed by the active carbon to a disinfection tank for disinfection. The process flow has advantages of environmental protection, energy saving, simple operation process and significant treatment effect.
Description
Technical field:
The present invention relates to technical field of sewage, be specifically related to a kind of energy-conserving and environment-protective technical process of WWT.
Background technology:
WWT: be the water quality requirement that makes sewage reach a certain water body of draining or reuse, and to its process that purifies.WWT is widely used in building, agricultural, and every field such as traffic, the energy, petrochemical industry, environmental protection, urban look, medical treatment, food and drink are also come into common people's daily life more and more.Press the sewage source classification, WWT generally is divided into production waste and handles and sanitary sewage disposal.Production waste comprises industrial sewage, rural sewage and medical sewage etc., divides by the matter property that water is dirty, and the pollution of water has two types: one type is natural pollution; Another kind of is artifact pollution.Current to water body harm bigger be artifact pollution.Water pollutes and can mainly be divided into chemical contamination, physical pollution and biotic pollution three major types according to the difference of polluting impurity.Pollutent mainly contains: (1) unprocessed and the discharging trade effluent; (2) unprocessed and the discharging sewage; (3) use the farmland sewage of chemical fertilizer, agricultural chemicals, weedicide in a large number; (4) be deposited in the trade waste and the domestic refuse of river bank; (5) soil erosion; (6) mine sewage.
The method of disposing of sewage is a lot, generally can reduce physics method, chemical method and biological process etc.
Now, the discharging of increasing heavy metal, toxic materials was more and more, without processing in the flouring epoch of heavy industry; Can seriously surpass national standard; Can give the producer, periphery living and entirely spherical zone come inconceivable trouble because processing such as waste water, sewage belong to high energy consumption, inefficient a kind of mode, will bring economical load to many enterprises like this; If but it is more serious not handle problems, will make the development of enterprise move towards vicious cycle like this.
Summary of the invention:
Technical problem to be solved by this invention be to overcome existing technological deficiency provide a kind of environmental protection, energy-conservation, operating process simple, the energy-conserving and environment-protective technical process of a kind of WWT of obvious processing effect.
Technical scheme below technical problem to be solved by this invention adopts realizes:
A kind of energy-conserving and environment-protective technical process of WWT is characterized in that: comprise following method steps,
The waste water that (1) will contain heavy metal is collected through piping, gets into the grid canal, through coarse rack, removes the bigger suspended particulate of particle diameter in the water;
(2) waste water after will filtering through coarse rack is put into pump well;
(3) with the supercharging of the waste water in the pump well, waste water is risen in the equalizing tank through pump;
(4) stir through the submersible agitator of installing in the equalizing tank, waste water realization homogeneous is all measured;
(5) waste water that stirred in the equalizing tank is got into the PH equalizing tank through lift pump;
(6) in the PH equalizing tank, add NaOH solution, improve the pH value of waste water;
(7) waste water in the PH equalizing tank is sent into coagulation reaction tank, in coagulation reaction tank, add the Fe based flocculating agent, improve the settleability of waste water;
The waste water that (8) will add the Fe based flocculating agent is delivered to preliminary sedimentation tank and is carried out preliminary sedimentation;
(9) make the supernatant in the preliminary sedimentation tank flow to the A/O biochemistry pool certainly;
(10) waste water is in the A/O biochemistry pool, successively under anaerobism, aerobic condition, removes the organism in the water through decomposition, the Degradation of mikrobe;
(11) waste water after will decomposing feeds in the second pond, carries out mud-water separation once more;
(12) supernatant in the pond after the secondary sedimentation is sent in the middle pond;
(13) waste water with middle pond rises in the charcoal canister through pump, further removes the heavy metal in the water through the adsorption of gac;
(14) will send into sterilization pool through charcoal absorption waste water later, through the sterilization pool sterilization, to extraneous qualified discharge.
Beneficial effect of the present invention is: the road rain water when heavy metal-containing waste water that produces in the production processes such as the present invention is can be plumbous with regenerated lead bullion, lead bullion, alloy, plumbous oxide and store battery, sewage, rainy season, handle clean; Reach emission standard; Guarantee the minimizing of polluting, played the effect of environmental protection.Environmental protection of the present invention, simple, the obvious processing effect of energy-conservation, operating process.
Description of drawings:
Fig. 1 is a process flow sheet of the present invention.
Embodiment:
For technique means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, a kind of energy-conserving and environment-protective technical process of WWT, its method steps does,
The waste water that (1) will contain heavy metal is collected through piping, gets into the grid canal, through coarse rack, removes the bigger suspended particulate of particle diameter in the water;
(2) waste water after will filtering through coarse rack is put into pump well;
(3) with the supercharging of the waste water in the pump well, waste water is risen in the equalizing tank through pump;
(4) stir through the submersible agitator of installing in the equalizing tank, waste water realization homogeneous is all measured;
(5) waste water that stirred in the equalizing tank is got into the PH equalizing tank through lift pump;
(6) in the PH equalizing tank, add NaOH solution, improve the pH value of waste water;
(7) waste water in the PH equalizing tank is sent into coagulation reaction tank, in coagulation reaction tank, add the Fe based flocculating agent, improve the settleability of waste water;
The waste water that (8) will add the Fe based flocculating agent is delivered to preliminary sedimentation tank and is carried out preliminary sedimentation;
(9) make the supernatant in the preliminary sedimentation tank flow to the A/O biochemistry pool certainly;
(10) waste water is in the A/O biochemistry pool, successively under anaerobism, aerobic condition, removes the organism in the water through decomposition, the Degradation of mikrobe;
(11) waste water after will decomposing feeds in the second pond, carries out mud-water separation once more;
(12) supernatant in the pond after the secondary sedimentation is sent in the middle pond;
(13) waste water with middle pond rises in the charcoal canister through pump, further removes the heavy metal in the water through the adsorption of gac;
(14) will send into sterilization pool through charcoal absorption waste water later, through the sterilization pool sterilization, to extraneous qualified discharge.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (1)
1. the energy-conserving and environment-protective technical process of a WWT is characterized in that: comprise following method steps,
The waste water that (1) will contain heavy metal is collected through piping, through the grid canal, through coarse rack, removes the bigger suspended particulate of particle diameter in the water;
(2) waste water after will filtering through coarse rack is put into pump well;
(3) with the supercharging of the waste water in the pump well, waste water is risen in the equalizing tank through pump;
(4) stir through the submersible agitator of installing in the equalizing tank, waste water realization homogeneous is all measured;
(5) waste water that stirred in the equalizing tank is got into the PH equalizing tank through lift pump;
(6) in the PH equalizing tank, add NaOH solution, improve the pH value of waste water;
(7) waste water in the PH equalizing tank is sent into coagulation reaction tank, in coagulation reaction tank, add the Fe based flocculating agent, improve the settleability of waste water;
The waste water that (8) will add the Fe based flocculating agent is delivered to preliminary sedimentation tank and is carried out preliminary sedimentation;
(9) make the supernatant in the preliminary sedimentation tank flow to the A/O biochemistry pool certainly;
(10) waste water is in the A/O biochemistry pool, successively under anaerobism, aerobic condition, removes the organism in the water through decomposition, the Degradation of mikrobe;
(11) waste water after will decomposing feeds in the second pond, carries out mud-water separation once more;
(12) supernatant in the pond after the secondary sedimentation is sent in the middle pond;
(13) waste water with middle pond rises in the charcoal canister through pump, further removes the heavy metal in the water through the adsorption of gac;
(14) will send into sterilization pool through charcoal absorption waste water later, through the sterilization pool sterilization, to extraneous qualified discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103036326A CN102826711A (en) | 2012-08-23 | 2012-08-23 | Energy-saving and environmental-protection process flow of sewage treatment |
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| CN2012103036326A CN102826711A (en) | 2012-08-23 | 2012-08-23 | Energy-saving and environmental-protection process flow of sewage treatment |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964646A (en) * | 2014-05-21 | 2014-08-06 | 南京大学 | Method for anaerobic-aerobiotic-microbial flocculation reinforced wastewater treatment |
| CN104445804A (en) * | 2014-10-25 | 2015-03-25 | 吴玲玲 | Sewage treatment device and sewage treatment method using same |
| CN104671608A (en) * | 2015-02-11 | 2015-06-03 | 中国石油化工股份有限公司 | Device for processing sewage |
| CN105585222A (en) * | 2016-02-26 | 2016-05-18 | 河南科技学院 | Chemical sewage treatment device |
| CN105693033A (en) * | 2016-04-06 | 2016-06-22 | 金华知产婺源信息技术有限公司 | Treatment system for removing ammonia nitrogen in domestic wastewater |
| CN105819622A (en) * | 2016-04-06 | 2016-08-03 | 金华知产婺源信息技术有限公司 | Treatment method for removing ammonia nitrogen in domestic wastewater |
| CN105859033A (en) * | 2016-05-09 | 2016-08-17 | 南京海益环保工程有限公司 | Domestic sewage treatment process |
| CN105884144A (en) * | 2016-06-16 | 2016-08-24 | 安徽国能亿盛环保科技有限公司 | Process for efficiently treating sewage |
| CN106517579A (en) * | 2016-11-23 | 2017-03-22 | 青海七彩花生物科技有限公司 | Livestock and poultry waste water treatment device and treatment method |
| CN106630388A (en) * | 2016-11-24 | 2017-05-10 | 天津市环境保护科学研究院 | Overall energy-saving method for industrial park sewage treatment |
| CN106698805A (en) * | 2015-11-16 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving technology process of sewage treatment |
| CN107140784A (en) * | 2017-04-28 | 2017-09-08 | 皖西学院 | A kind of medical sewage multisection type water treatment system and processing method |
| CN107285523A (en) * | 2017-08-07 | 2017-10-24 | 姜德晶 | A kind of mine wastewater Intelligent treatment device and method |
| CN107986575A (en) * | 2017-12-20 | 2018-05-04 | 珠海智星荟科技服务有限公司 | A kind of filtration apparatus for river sewage purification |
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| CN201729740U (en) * | 2010-03-31 | 2011-02-02 | 成都趋元科技有限责任公司 | Organic matter sewage treatment system |
| CN102372400A (en) * | 2011-09-27 | 2012-03-14 | 北京机电院高技术股份有限公司 | Hazardous waste handling center waste water integrated treatment system and method |
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| CN201729740U (en) * | 2010-03-31 | 2011-02-02 | 成都趋元科技有限责任公司 | Organic matter sewage treatment system |
| CN202175601U (en) * | 2011-07-16 | 2012-03-28 | 天津市大港巨龙造纸厂 | Papermaking sewage treatment system |
| CN102372400A (en) * | 2011-09-27 | 2012-03-14 | 北京机电院高技术股份有限公司 | Hazardous waste handling center waste water integrated treatment system and method |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964646A (en) * | 2014-05-21 | 2014-08-06 | 南京大学 | Method for anaerobic-aerobiotic-microbial flocculation reinforced wastewater treatment |
| CN104445804A (en) * | 2014-10-25 | 2015-03-25 | 吴玲玲 | Sewage treatment device and sewage treatment method using same |
| CN104671608A (en) * | 2015-02-11 | 2015-06-03 | 中国石油化工股份有限公司 | Device for processing sewage |
| CN106698805A (en) * | 2015-11-16 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving technology process of sewage treatment |
| CN105585222A (en) * | 2016-02-26 | 2016-05-18 | 河南科技学院 | Chemical sewage treatment device |
| CN105585222B (en) * | 2016-02-26 | 2018-06-19 | 河南科技学院 | A kind of chemical engineering sewage processing unit |
| CN105819622B (en) * | 2016-04-06 | 2018-05-18 | 九江安达环保科技有限公司 | The processing method of ammonia nitrogen in a kind of removal sanitary wastewater |
| CN105693033A (en) * | 2016-04-06 | 2016-06-22 | 金华知产婺源信息技术有限公司 | Treatment system for removing ammonia nitrogen in domestic wastewater |
| CN105819622A (en) * | 2016-04-06 | 2016-08-03 | 金华知产婺源信息技术有限公司 | Treatment method for removing ammonia nitrogen in domestic wastewater |
| CN105859033A (en) * | 2016-05-09 | 2016-08-17 | 南京海益环保工程有限公司 | Domestic sewage treatment process |
| CN105884144A (en) * | 2016-06-16 | 2016-08-24 | 安徽国能亿盛环保科技有限公司 | Process for efficiently treating sewage |
| CN106517579A (en) * | 2016-11-23 | 2017-03-22 | 青海七彩花生物科技有限公司 | Livestock and poultry waste water treatment device and treatment method |
| CN106630388A (en) * | 2016-11-24 | 2017-05-10 | 天津市环境保护科学研究院 | Overall energy-saving method for industrial park sewage treatment |
| CN106630388B (en) * | 2016-11-24 | 2020-05-22 | 天津市环境保护科学研究院 | Integral energy-saving method for sewage treatment of industrial park |
| CN107140784A (en) * | 2017-04-28 | 2017-09-08 | 皖西学院 | A kind of medical sewage multisection type water treatment system and processing method |
| CN107285523A (en) * | 2017-08-07 | 2017-10-24 | 姜德晶 | A kind of mine wastewater Intelligent treatment device and method |
| CN107986575A (en) * | 2017-12-20 | 2018-05-04 | 珠海智星荟科技服务有限公司 | A kind of filtration apparatus for river sewage purification |
| CN107986575B (en) * | 2017-12-20 | 2021-06-18 | 珠海智星荟科技服务有限公司 | A filter equipment for river course sewage purification |
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Application publication date: 20121219 |