CN101254986A - System and method for treating micro-polluted source water - Google Patents
System and method for treating micro-polluted source water Download PDFInfo
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- CN101254986A CN101254986A CNA2007100179030A CN200710017903A CN101254986A CN 101254986 A CN101254986 A CN 101254986A CN A2007100179030 A CNA2007100179030 A CN A2007100179030A CN 200710017903 A CN200710017903 A CN 200710017903A CN 101254986 A CN101254986 A CN 101254986A
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Abstract
The invention relates to a micro-polluted source water treatment system and a treatment method. An elevated water tank is connected with a drug-adding reaction tank at a low position through a pipeline, a drug-adding opening for adding reagent is provided at the upper end of the drug-adding reaction tank, the drug-adding reaction tank is connected with an ultraviolet light reactor through a pipeline, the ultraviolet light reactor is connected with an active carbon adsorption tank at the low position, the active carbon adsorption tank is connected with a coagulation sedimentation tank through a pipeline, the coagulation sedimentation tank is connected with a siphon filtering tank through a pipeline, and the siphon filtering tank is connected with a clean water tank at a low position; the method comprises the steps that the source water in a distribution reservoir is delivered to the elevated water tank through a water pump, the water in the elevated water tank flows into the drug-adding reaction tank through the dead weight, a potassium hypermanganate compound reagent is added into the drug-adding reaction tank, after the sufficient reaction, the tank is statically arranged, and then the reagent is added into the ultraviolet light reactor, the preoxidation process is accomplished through the illumination of an ultraviolet lamp tube, then the reagent flows into the active carbon adsorption tank to be absorbed, then is delivered into coagulation sedimentation tank, a coagulating agent is added into the coagulation sedimentation tank, after the sufficient reaction, the tank is statically arranged, and then the reagent is added into the siphon filtering tank, to perform periodic filtration and disinfection, and then the reagent is added into the clean water tank.
Description
Technical field
The present invention relates to the processing of water, be specifically related to absorption method, luminescence method, the multiple-stage treatment of the precipitator method and oxidation style.
Background technology
Conventional handling technology of water supply is mainly adopted in processing to micro-polluted source water in the prior art, it is a. coagulation-precipitation-filtration-sterilization, b. coagulation-precipitation-activated carbon filter-sterilization, c. prechlorination etc., be mainly used in the purifying treatment of city tap-water factory, its weak point is more limited to the processing power of micro-polluted source water, and is very high or because heavy rain when making that source water water quality is undergone mutation, the turbidity of water outlet can exceed standard when the source water turbidity; Control to free property bacteriophage relies on chlorination in the water outlet fully; When entering organic matter of water content is high, the dosage that must increase chlorine guarantees out that the water bacteriology index reaches the tap water requirement, not only be difficult to remove effectively Micropollutants in the water, and can produce the by product of higher concentration, there is potential hazard in human body, may cause the toxicological safety of handling back water to reduce, effluent quality can't satisfy drinks needs.
Summary of the invention
The purpose of this invention is to provide a kind of treatment system and treatment process of micro-polluted source water, remove Micropollutants in the water effectively, reduce the concentration of the by product after handling, improve the toxicological safety of handling back water.
The present invention is a kind of treatment system and treatment process of micro-polluted source water, a distribution reservoir 1 of depositing source water is arranged, distribution reservoir 1 is by pipeline and be installed in first water pump 1 on the pipeline ' connect with the high-water case 2 that is installed in higher level, elevated tank 2 connects with the dosing reaction tank 3 that is positioned at lower by a pipeline, be equipped with in the dosing reaction tank 3 first paddle board 3 that is used to stir medicament ', dosing reaction tank 3 upper ends have the dosing mouth 3 of dosing medicament "; dosing reaction tank 3 connects with ultraviolet reactor 4 by a pipeline; on ultraviolet reactor 4 upper end covers, have the venting hole 4 that is used for exhaust emissions '; ultraviolet reactor 4 connects with the charcoal absorption pond 5 that is positioned at lower by a pipeline; charcoal absorption pond 5 connects with coagulative precipitation tank 7 by second water pump of installing on a pipeline and the pipeline 6; in coagulative precipitation tank 7 installation one be used to stir second paddle board 7 of coagulating agent ', on coagulative precipitation tank 7 upper end covers, have a feeding port 8 that is used to dose coagulating agent, coagulative precipitation tank 7 connects with siphon filter 10 by the water intaking valve of installing on a pipeline and the pipeline 9 again, and siphon filter 10 connects with the clean water basin 11 that are positioned at lower by the outlet valve of installing on a pipeline and the pipeline 16.
Be used for the treatment process of micro-polluted source water of the treatment system of the above micro-polluted source water, the steps include:
(1) with the first water pump 1 ' source water in the distribution reservoir 1 is conveyed into elevated tank 2 by distribution reservoir 1, water in elevated tank 2 flows in the dosing reaction tank 3 by deadweight, by dosing mouth 3 " in dosing reaction tank 3, feed the potassium permanganate compound;, fully leave standstill after the reaction by first paddle board 3 ' stir;
(2) water in the dosing reaction tank 3 enters in the ultraviolet reactor 4 through a pipeline, by finishing preoxidation process behind the ultraviolet lamp tube illumination certain hour;
(3) water in the ultraviolet reactor 4 adsorbs via the charcoal absorption pond 5 that pipeline inflow is arranged in lower;
(4) water in the charcoal absorption pond 5 is transported in the coagulative precipitation tank 7 via a pipeline and second water pump 6 that is installed on this pipeline, coagulating agent is dosed coagulative precipitation tank 7 via the feeding port 8 that is used to dose coagulating agent, by second paddle board 7 ' stir, stop after reaction for some time stirring, begin to staticly settle;
(5) water after staticly settling enters siphon filter 10 via the water intaking valve of installing on a pipeline and the pipeline 9 in coagulative precipitation tank 7, carries out intermittent filtration sterilization, enters clean water basin 11 via a pipeline and the outlet valve 16 that is installed on this pipeline then.
Usefulness of the present invention is, potassium permanganate compound/ultraviolet catalytic oxidation the new technology that adopts obviously is better than the effect of prior art common process dosing oxidation, the oxygenizement of potassium permanganate compound and ultraviolet oxidation have produced the strengthening effect of synergistic oxidation, UV-irradiation has produced catalysed oxidn to the oxide compound of valence state manganese in the middle of the potassium permanganate reductive simultaneously, improved the oxidation efficiency of oxygenant, and the potassium permanganate compound has also played the certain absorption and the effect of intensified coagulation, the side effect that the medicament reaction is caused is smaller, and safety in utilization is improved.
Description of drawings
Fig. 1 is a system chart of the present invention.
Embodiment
As shown in Figure 1, the present invention is a kind of treatment system of micro-polluted source water, a distribution reservoir 1 of depositing source water is arranged, distribution reservoir 1 is by pipeline and be installed in first water pump 1 on the pipeline ' connect with the high-water case 2 that is installed in higher level, elevated tank 2 connects with the dosing reaction tank 3 that is positioned at lower by a pipeline, be equipped with in the dosing reaction tank 3 first paddle board 3 that is used to stir medicament ', dosing reaction tank 3 upper ends have the dosing mouth 3 of dosing medicament "; dosing reaction tank 3 connects with ultraviolet reactor 4 by a pipeline; on ultraviolet reactor 4 upper end covers, have the venting hole 4 that is used for exhaust emissions '; ultraviolet reactor 4 connects with the charcoal absorption pond 5 that is positioned at lower by a pipeline; charcoal absorption pond 5 connects with coagulative precipitation tank 7 by second water pump of installing on a pipeline and the pipeline 6; in coagulative precipitation tank 7 installation one be used to stir second paddle board 7 of coagulating agent ', on coagulative precipitation tank 7 upper end covers, have a feeding port 8 that is used to dose coagulating agent, coagulative precipitation tank 7 connects with siphon filter 10 by the water intaking valve of installing on a pipeline and the pipeline 9 again, and siphon filter 10 connects with the clean water basin 11 that are positioned at lower by the outlet valve of installing on a pipeline and the pipeline 16.
As shown in Figure 1, a pipeline is arranged and be installed in back flushing water valve 12 on this pipeline, the one end is taken out in the bottom of siphon filter 10, the other end with pinnacled clear water elevated tank 14 be installed connect; One pipeline is arranged and be installed in back flushing air valve 13 on this pipeline, the one end is taken out in the bottom of siphon filter 10, the other end with pinnacled gas blower 15 be installed connect.The regeneration of siphon filter filter bed of the present invention realizes with back-flushing method, before backwash process, opens back flushing air valve 13, air blasts the bottom of siphon filter 10 from gas blower 15, blow pine and be adsorbed on impurity on the filter bed, avoid stopping up, reduce the back flushing resistance, close back flushing air valve 13, open back flushing water valve 12, clear water enters the bottom of siphon filter 10 from elevated tank 14, from bottom to top begins back flushing, take away the impurity that blows pine by water outlet, finish the regeneration of filter bed.
Be used for the treatment process of micro-polluted source water of the treatment system of the above micro-polluted source water, the steps include:
(1) with the first water pump 1 ' source water in the distribution reservoir 1 is conveyed into elevated tank 2 by distribution reservoir 1, water in elevated tank 2 flows in the dosing reaction tank 3 by deadweight, by dosing mouth 3 " in dosing reaction tank 3, feed the potassium permanganate compound;, fully leave standstill after the reaction by first paddle board 3 ' stir;
(2) water in the dosing reaction tank 3 enters in the ultraviolet reactor 4 through a pipeline, by finishing preoxidation process behind the ultraviolet lamp tube illumination certain hour;
(3) water in the ultraviolet reactor 4 adsorbs via the charcoal absorption pond 5 that pipeline inflow is arranged in lower;
(4) water in the charcoal absorption pond 5 is transported in the coagulative precipitation tank 7 via a pipeline and second water pump 6 that is installed on this pipeline, coagulating agent is dosed coagulative precipitation tank 7 via the feeding port 8 that is used to dose coagulating agent, by second paddle board 7 ' stir, stop after reaction for some time stirring, begin to staticly settle;
(5) water after staticly settling enters siphon filter 10 via the water intaking valve of installing on a pipeline and the pipeline 9 in coagulative precipitation tank 7, carries out intermittent filtration sterilization, enters clean water basin 11 via a pipeline and the outlet valve 16 that is installed on this pipeline then.
Below four embodiment all be further described with the Micro-polluted Water of certain reservoir water as water factory's distribution reservoir of drinking water source.
Embodiment 1:
The temperature of the micro-polluted source water in the distribution reservoir 1 is 18～20 ℃, smell 2 grades of flavors, turbidity is on average at 11～45NTU, colourity reaches 60 degree, pH value is 6.8～7.4, COD content 62mg/L, after micro-polluted source water enters dosing reaction tank 3, " part is inorganic in adding 1.5mg/L potassium permanganate compound (compound proportioning: 2: 1: the 1) oxidizing water in the pond; organic pollutant; reduce the turbidity of water body; after fully reacting 3 minutes; water outlet enters ultraviolet reactor 4; ultraviolet reactor 4 is ring-like interior tubular type by dosing mouth 3, ultraviolet source is positioned at the central authorities of reactor, and fluorescent tube has the synthetic glass sleeve pipe that fluorescent tube is not contacted with water outward, strengthens the organism of some difficult degradation in the oxidizing water by the illumination of the 30W ultraviolet lamp in the ultraviolet reactor 4 in wavelength 253.7nm, remove the colourity in the water, finish preoxidation process after about 90 minutes; The water outlet of ultraviolet reactor 4 enters charcoal absorption pond 5 subsequently, adding the 15mg/L gac in the pond adsorbs, water outlet enters coagulative precipitation tank 7 then, adopt the polymerize aluminum chloride coagulating agent, about dosage 30mg/L, remove turbidity, colourity in residue larger molecular organics, colloidalmaterial, suspended solids and the water, the redeposition water outlet enters siphon filter 10 subsequently, reaches the effluent quality requirement again after sterilizing through filtration treatment.Greater than 65%, chroma removal rate is 86% through delivery turbidity clearance after this art breading, and COD concentration is less than 16mg/L.
Embodiment 2:
The temperature of the micro-polluted source water in the distribution reservoir 1 is 18～20 ℃, smell 2 grades of flavors, turbidity is on average at 11～45NTU, colourity reaches 60 degree, pH value is 6.8～7.0, COD content 62mg/L, after micro-polluted source water enters dosing reaction tank 3, " part is inorganic in adding 1.5mg/L potassium permanganate compound (compound proportioning: 2: 1: the 1) oxidizing water in the pond; organic pollutant; reduce the turbidity of water body; after fully reacting 3 minutes; water outlet enters ultraviolet reactor 4; by the organism of some difficult degradation in the illumination reinforcement oxidizing water of 10W ultraviolet lamp in the reactor in wavelength 254nm, remove the colourity in the water, finish preoxidation process after about 120 minutes by dosing mouth 3; The water outlet of ultraviolet reactor 4 enters charcoal absorption pond 5 subsequently, adding the 15mg/L gac in the pond adsorbs, water outlet enters coagulative precipitation tank 7 then, adopt the polymerize aluminum chloride coagulating agent, dosage 30mg/L, remove turbidity, colourity in residue larger molecular organics, colloidalmaterial, suspended solids and the water, the redeposition water outlet enters siphon filter 10 subsequently, reaches the effluent quality requirement again after sterilizing through filtration treatment.Greater than 60%, chroma removal rate is 69% through delivery turbidity clearance after this art breading, and COD concentration is less than 34mg/L.
Embodiment 3:
The temperature of micro-polluted source water is 18～20 ℃ in the distribution reservoir, smell 2 grades of flavors, turbidity is on average at 11～45NTU, colourity reaches 60 degree, pH value is 6.8～7.2, COD content 62mg/L, after entering dosing reaction tank 3, by dosing mouth 3 " it is inorganic to add in 2.6mg/L potassium permanganate compound (compound proportioning: 3: 1: the 1) oxidizing water part in the pond; organic pollutant, reduces the turbidity of water body, fully react 8 minutes after; water outlet enters ultraviolet reactor 4; strengthen the organism of some difficult degradation in the oxidizing water by the illumination of 30W ultraviolet lamp in the reactor in wavelength 253.7nm, remove the colourity in the water, finish preoxidation process after about 90 minutes; The water outlet of ultraviolet reactor 4 enters charcoal absorption pond 5 subsequently, adding the 20mg/L gac in the pond adsorbs, water outlet enters coagulative precipitation tank 7 then, adopt the polymerize aluminum chloride coagulating agent, dosage 50～70mg/L, remove turbidity, colourity in residue larger molecular organics, colloidalmaterial, suspended solids and the water, the redeposition water outlet enters siphon filter 10 subsequently, reaches the effluent quality requirement again after sterilizing through filtration treatment.Greater than 90%, chroma removal rate is 95% through delivery turbidity clearance after this art breading, and COD concentration is less than 12mg/L.
Embodiment 4:
The temperature of the micro-polluted source water in the distribution reservoir 1 is 18～20 ℃, smell 2 grades of flavors, turbidity is on average at 11～45NTU, colourity reaches 60 degree, pH value is 6.8～7.2, COD content 62mg/L, after micro-polluted source water enters dosing reaction tank 3, " part is inorganic in adding 2.6mg/L potassium permanganate compound (compound proportioning: 3: 1: the 1) oxidizing water in the pond; organic pollutant; reduce the turbidity of water body; after fully reacting 8 minutes; water outlet enters ultraviolet reactor 4; by the organism of some difficult degradation in the illumination reinforcement oxidizing water of 10W ultraviolet lamp in the reactor in wavelength 254nm, remove the colourity in the water, finish preoxidation process after about 120 minutes by dosing mouth 3; The water outlet of ultraviolet reactor 4 enters charcoal absorption pond 5 subsequently, adding the 20mg/L gac in the pond adsorbs, water outlet enters coagulative precipitation tank 7 then, adopt the polymerize aluminum chloride coagulating agent, dosage 50～70mg/L, remove turbidity, colourity in residue larger molecular organics, colloidalmaterial, suspended solids and the water, the redeposition water outlet enters siphon filter 10 subsequently, reaches the effluent quality requirement again after sterilizing through filtration treatment.Greater than 80%, chroma removal rate is 82% through delivery turbidity clearance after this art breading, and COD concentration is less than 28mg/L.
Claims (4)
1. the treatment system of micro-polluted source water, a distribution reservoir (1) of depositing source water is arranged, distribution reservoir (1) connects with the high-water case (2) that is installed in higher level by pipeline and first water pump (1 ') that is installed on the pipeline, it is characterized in that elevated tank (2) connects with the dosing reaction tank (3) that is positioned at lower by a pipeline, one first paddle board (3 ') that is used to stir medicament is installed in the dosing reaction tank (3), dosing reaction tank (3) upper end has dosing mouth (3 "); dosing reaction tank (3) connects with ultraviolet reactor (4) by a pipeline; have the venting hole (4 ') that is used for exhaust emissions on ultraviolet reactor (4) upper end cover; ultraviolet reactor (4) connects with the charcoal absorption pond (5) that is positioned at lower by a pipeline; charcoal absorption pond (5) connect with coagulative precipitation tank (7) by second water pump of installing on a pipeline and the pipeline (6); installation one is used to stir second paddle board (7 ') of coagulating agent in coagulative precipitation tank (7) of dosing medicament, on coagulative precipitation tank (7) upper end cover, have a feeding port (8) that is used to dose coagulating agent, coagulative precipitation tank (7) connects with siphon filter (10) by the water intaking valve of installing on a pipeline and the pipeline (9) again, and siphon filter (10) connects by outlet valve of installing on a pipeline and the pipeline (16) and the clean water basin that are positioned at lower (11).
2. the treatment system of micro-polluted source water according to claim 1, it is characterized in that a pipeline is arranged and be installed in back flushing water valve (12) on this pipeline, the one end is taken out in the bottom of siphon filter (10), and the other end connects with the pinnacled clear water elevated tank of installation (14).
3. the treatment system of micro-polluted source water according to claim 1, it is characterized in that a pipeline is arranged and be installed in back flushing air valve (13) on this pipeline, the one end is taken out in the bottom of siphon filter (10), and the other end connects with the pinnacled gas blower of installation (15).
4. be used for the treatment process of micro-polluted source water of the treatment system of the described micro-polluted source water of claim 1, the steps include:
(1) with first water pump (1 ') source water in the distribution reservoir (1) is conveyed into elevated tank (2) by distribution reservoir (1), water in elevated tank (2) flows in the dosing reaction tank (3) by deadweight, by dosing mouth (3 ") feed the potassium permanganate compound in dosing reaction tank (3); stirred by first paddle board (3 '), fully react after 3 or 8 minutes and leave standstill;
(2) water in the dosing reaction tank (3) enters in the ultraviolet reactor (4) through a pipeline, finishes preoxidation process by ultraviolet lamp tube illumination 90 or after 120 minutes;
(3) water in the ultraviolet reactor (4) adsorbs via the charcoal absorption pond (5) that pipeline inflow is arranged in lower;
(4) water in charcoal absorption pond (5) is transported in the coagulative precipitation tank (7) via a pipeline and second water pump (6) that is installed on this pipeline, coagulating agent is dosed coagulative precipitation tank (7) via the feeding port that is used for dosing coagulating agent (8), stir by second paddle board (7 '), stop after reaction for some time stirring, begin to staticly settle;
(5) water intaking valve (9) that the water after staticly settling is installed on via a pipeline and pipeline in coagulative precipitation tank (7) enters siphon filter (10), carry out intermittent filtration sterilization, enter clean water basin (11) via a pipeline and the outlet valve (16) that is installed on this pipeline then.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100179030A CN101254986A (en) | 2007-05-09 | 2007-05-09 | System and method for treating micro-polluted source water |
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| CNA2007100179030A CN101254986A (en) | 2007-05-09 | 2007-05-09 | System and method for treating micro-polluted source water |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285712A (en) * | 2011-06-03 | 2011-12-21 | 上海净沃节能环保科技有限公司 | Method for removing micro pollutants from water by oxidization of potassium permanganate with ruthenium as catalyst |
| CN102381780A (en) * | 2011-09-21 | 2012-03-21 | 哈尔滨工业大学 | Method for controlling by-product generation amount in process of water treatment in micro polluted water source by step catalytic oxidation |
| CN102627373A (en) * | 2011-06-29 | 2012-08-08 | 兰州理工大学 | Micro-polluted water resource pollution treatment method |
| CN108358274A (en) * | 2018-03-16 | 2018-08-03 | 中山大学 | A kind of method of micropollutants in removal water body |
| CN108435773A (en) * | 2018-04-18 | 2018-08-24 | 河海大学 | A kind of micro- flotation of Plastics separator and its application method |
| CN111285518A (en) * | 2020-03-27 | 2020-06-16 | 浙江清华长三角研究院 | Low-pollution water treatment device and treatment method thereof |
| CN112573740A (en) * | 2020-12-25 | 2021-03-30 | 山东建筑大学 | Method and device for degrading organic micropollutants by medium-pressure ultraviolet catalytic potassium permanganate |
-
2007
- 2007-05-09 CN CNA2007100179030A patent/CN101254986A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285712A (en) * | 2011-06-03 | 2011-12-21 | 上海净沃节能环保科技有限公司 | Method for removing micro pollutants from water by oxidization of potassium permanganate with ruthenium as catalyst |
| CN102627373A (en) * | 2011-06-29 | 2012-08-08 | 兰州理工大学 | Micro-polluted water resource pollution treatment method |
| CN102381780A (en) * | 2011-09-21 | 2012-03-21 | 哈尔滨工业大学 | Method for controlling by-product generation amount in process of water treatment in micro polluted water source by step catalytic oxidation |
| CN102381780B (en) * | 2011-09-21 | 2013-01-09 | 哈尔滨工业大学 | Method for controlling by-product generation amount in process of water treatment in micro polluted water source by step catalytic oxidation |
| CN108358274A (en) * | 2018-03-16 | 2018-08-03 | 中山大学 | A kind of method of micropollutants in removal water body |
| CN108435773A (en) * | 2018-04-18 | 2018-08-24 | 河海大学 | A kind of micro- flotation of Plastics separator and its application method |
| CN111285518A (en) * | 2020-03-27 | 2020-06-16 | 浙江清华长三角研究院 | Low-pollution water treatment device and treatment method thereof |
| CN111285518B (en) * | 2020-03-27 | 2021-07-20 | 浙江清华长三角研究院 | Low-pollution water treatment device and treatment method thereof |
| CN112573740A (en) * | 2020-12-25 | 2021-03-30 | 山东建筑大学 | Method and device for degrading organic micropollutants by medium-pressure ultraviolet catalytic potassium permanganate |
| CN112573740B (en) * | 2020-12-25 | 2023-09-26 | 山东建筑大学 | Method and device for degrading organic micro-pollutants by catalyzing potassium permanganate through medium-pressure ultraviolet |
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