CN202543007U - Process system for controlling risk of drinking water disinfection by-products and pathogenic microorganisms - Google Patents
Process system for controlling risk of drinking water disinfection by-products and pathogenic microorganisms Download PDFInfo
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- CN202543007U CN202543007U CN2012201808924U CN201220180892U CN202543007U CN 202543007 U CN202543007 U CN 202543007U CN 2012201808924 U CN2012201808924 U CN 2012201808924U CN 201220180892 U CN201220180892 U CN 201220180892U CN 202543007 U CN202543007 U CN 202543007U
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Abstract
The utility model relates to a process system for controlling risk of drinking water disinfection by-products and pathogenic microorganisms, belonging to the field of drinking water treatment. A biological pre-treatment tank, a pre-ozonation tank, a main ozonation tank and an activated carbon filter are combined with conventional coagulation, sedimentation, sand filtering and disinfection water treatment processes to produce drinking water, and the process system is a water supply treatment process system which is developed aiming at micro-polluted raw water and is used for controlling health risk of disinfection by-products and pathogenic microorganisms in a water purification process. The micro-polluted raw water sequentially enters a biological pre-treatment tank, a pre-ozonation contact tank, a folded-plate flocculating tank, an inclined-tube settling tank, a sand filter, a main ozonation contact tank, an activated carbon filter and a disinfection tank, and finally flows into a clean water tank. By applying the biological pre-treatment, two-stage ozonation and activated carbon processes, the effect on removing turbidity, organic matters, disinfection by-product precursors, viral microorganisms, bacterial microorganisms and the like is obviously improved, and the security of water quality is obviously superior to that of the traditional coagulating sedimentation process.
Description
Technical field
The utility model relates to technical field of drinking water treatment, is specifically related to a kind of process system of controlling disinfection by-product of drinking water and pathogenic micro-organism risk.
Background technology
Along with industrial or agricultural and The development in society and economy; And human material and cultural life improves constantly; A large amount of trade effluents, agricultural irrigation, fertilizer and pesticide and sewage enter in the natural water body environment, make that the contaminated degree in urban drinking water water source is serious day by day, become micro polluted source.Especially the existence of various organic pollutants, virus and bacterium microbe causes the risk of producible DBPs and pathogenic micro-organism harm in the tap water to enlarge markedly in the water source.And at present most city water factory still adopts traditional former water-coagulation-deposition-filtration-disinfectant technology; This technology is applicable to that mainly the water source satisfies the drinking water treatment of surface water three class standards, handles main the removal liking suspended substance, colloidal impurity and the bacterium in the water.But along with composition more sophisticated, the concentration level of various organic pollutants in the micro polluted source raises gradually; Except that the bacterium microbe of routine; It is unable to do what one wishes that the aggravation of virus type microbial contamination, traditional drinking water treatment technology have shown, is the organism dissolved organic matter particularly that can not effectively remove wherein on the one hand; Cause the generation of a large amount of poisonous and harmful DBPs in the sterilizing process, the chemical health risk of water outlet increases; Be undesirable to the virus type removal of microorganisms effect littler on the other hand, make the microbial safety of water outlet also can not get ensureing than protozoon and bacterium microbe volume.China's Urban water supply water quality standard is also improving gradually simultaneously; In order to adapt to existing micro polluted source water quality and water quality standard, seem particularly urgent to the exploitation of controlling the water treatment technology of DBPs and pathogenic micro-organism risk in the micro-polluted water treating processes simultaneously.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of system of controlling disinfection by-product of drinking water and pathogenic micro-organism risk is provided.This process system combines Biological Pretreatment, preparatory ozone, main ozone, activated carbon filter with traditional water-purifying process, constitute a kind of compound degree of depth drinking water treatment process system.
The utility model Central Plains water is the micro-polluted drinking water water source that receives chemistry and the dual pollution of mikrobe.
The purpose of the utility model realizes through following technical scheme:
A kind of process system of controlling disinfection by-product of drinking water and pathogenic micro-organism risk; Connect to form through pipeline and valve successively by retention basin 1, Biological Pretreatment pond 2, preparatory ozone contact tank 3, mixing agitated pool 4, folded plate flocculation pond 5, tube settler 6, sand filter 7, main ozone contact tank 8, activated carbon filter 9, cholorination pond 10 and clean water basin 11; Wherein: the pipeline that retention basin 1 is connected with Biological Pretreatment pond 2 is provided with constant flow pump 13; Be full of biofilter material 14 in the Biological Pretreatment pond 2; 2 bottoms, Biological Pretreatment pond connect pneumatic pump 27, and aeration is carried out in Biological Pretreatment pond 2; Ozone contact tank 3 is connected respectively from oxygengenerator 24 with main ozone contact tank 8 in advance, and ozone contact tank 3 tops are provided with venting port 15 in advance; Mix in the agitated pool 4 being provided with whisking appliance 16, the pipeline that mixing agitated pool 4 is connected with folded plate flocculation pond 5 is provided with lift pump 17; Tube settler 6 bottoms are provided with mud discharging mouth 19; Be full of quartz sand filter media 20 in the sand filter 7, its top is provided with riser 28; Be distributed with upper strata gac 22 and lower floor's silica sand 23 in the activated carbon filter 9 from top to bottom, be provided with whisking appliance 12 in the sterilization pool 10; Biological Pretreatment pond 2, sand filter 7 and activated carbon filter 9 are respectively through pipe connection recoil pump 26.
In the utility model, the inclined tube on said tube settler 6 tops is a honeycomb sexangle inclined tube 18.
In the utility model; The white foam shape spheroidal particle filtrate that said lightweight biofilter material 14 adopts import polystyrene resin particle to form through twice infusion of high temperature, particle diameter is 5-7 mm, bulk density is 0.08-0.1 g/mL; Porosity 50%, foaming degree are that starting material are more than 40 times.
In the utility model, the particle diameter of said filtrate silica sand 20 is 1-2 mm.
In the utility model, said upper strata gac 22 adopts the ature of coal columnar activated carbon, specification (particle diameter * length) 1.5 * 5.0 mm, and iodine number>=1050 mg/g, tetracol phenixin>=70%, methylene blue number>=150 mg/g is loaded density≤0.4 ~ 0.5 g/mL.
The working process of the utility model is following:
(1) micro-polluted raw gets into the Biological Pretreatment pond through constant flow pump from retention basin, under the situation that the aerating system oxygen supply is arranged with the Biological Pretreatment pond in the lightweight biofilter material fully contact, mainly be that organism and ammonia nitrogen are effectively degraded to pollutant in water;
(2) water outlet of step (1) gets into preparatory ozone contact tank; In the pond, add ozone and carry out preoxidation, mineral compound, colourity, turbidity etc. in the water body are removed organism in the partially oxidation water body; With the strengthening subsequent coagulation process, and while part deactivation pathogenic micro-organism;
(3) dosing coagulant gathered sulphur aluminum chloride before the water outlet of step (2) got into the folded plate flocculation pond, carried out coagulating and deposition behind the mixing fully fast, turbidity material in the removal water body and larger molecular organics etc.;
(4) water outlet of step (3) gets into sand filter, further removes turbidity material and pathogenic micro-organism;
(5) water outlet of step (4) gets into main ozone contact tank, in the pond, adds ozone and carries out oxidation and sterilization, imitates the various DBPs precursors of oxidation by force, with the absorption property of strengthening subsequent activated carbon filter to it, and simultaneously effective deactivation pathogenic micro-organism;
(6) water outlet of step (5) gets into activated carbon filter, mainly relies on the ozone oxidation product that produces in the last step of physical adsorption performance absorption of gac, removes all kinds of sterilization product precursors in the water body;
(7) water outlet of step (6) gets into sterilization pool, kills the mikrobe that still exists in the water body and keeps the pipe network chlorine residue;
(8) water outlet of step (7) flows into clean water basin, supplies with the user by water pump.
The utility model compared with prior art has following advantage and beneficial effect:
(1) adopted two-stage ozone and chlorine coupling sterilization in the utility model, guaranteed the inactivating efficacy to pathogenic micro-organism in the water body, more traditional water-purifying process and Yan Gengneng ensure the hygiology safety performance of tap water.Both can overcome simultaneously single ozonization and not have and continue to kill toxic shortcoming, can overcome the shortcoming that can produce a large amount of DBPs in the single cholorination process again.
(2) the utility model has adopted that preparatory ozone is connected with coagulation-settlement process, main ozone is connected with active carbon filter tank technique, and coagulation-settlement process that has connect after having significantly improved and activated carbon filter are to the removal performance of DBPs precursors such as organism in the water body.
(3) Biological Pretreatment has adopted lightweight biological particles filtrate in the utility model process system; In the blast aeration process, can be fluidized state; Increased contacting of its surface biological film and water body, significantly improved the degradation property of biological pre-treatment process organism in the water body and ammonia nitrogen.
(4) coagulating agent that coagulating adopts in the utility model process system gathers sulphur aluminum chloride and has the very high polymerization degree; Belong to that molecular weight is big, the higher inorganics high-molecular coagulant adopting of electric charge; Compare with traditional inorganic water purification agent, it has, and flocculating effect is good, effect is fast, consumption is few, nontoxicity, advantage such as with low cost.
(6) the utility model is that source of the gas situ production ozone is used for preparatory ozone and main ozone process with the air, and the ozone concn of generation can reach processing requirement fully, and running cost is lower.
Description of drawings
Fig. 1 is the process flow sheet of the utility model.
Fig. 2 is the processing set-up figure of the utility model.
Label among the figure: 1 is retention basin, and 2 is biological pretreatment pool, and 3 is preparatory ozone contact tank, and 4 for mixing agitated pool, and 5 is the folded plate flocculation pond, and 6 is tube settler; 7 is sand filter, and 8 is main ozone contact tank, and 9 is activated carbon filter, and 10 is the cholorination pond, and 11 is clean water basin, and 12 is whisking appliance; 13 is constant flow pump, and 14 is biofilter material, and 15 is venting port, and 16 is whisking appliance, and 17 is lift pump; 18 is honeycomb sexangle inclined tube, and 19 is mud discharging mouth, and 20 is quartz sand filter media, and 21 is venting port, and 22 is the upper strata gac; 23 is lower floor's silica sand, and 24 is ozonizer, and 25 is riser, and 26 is recoil pump, and 27 is pneumatic pump.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Embodiment 1: as shown in Figure 2, a kind of process system of controlling disinfection by-product of drinking water and pathogenic micro-organism risk mainly comprises retention basin 1, Biological Pretreatment pond 2, preparatory ozone contact tank 3, mixes agitated pool 4, folded plate flocculation pond 5, tube settler 6, sand filter 7, main ozone contact tank 8, activated carbon filter 9, cholorination pond 10 and clean water basin 11.
Biological Pretreatment pond 2 internal diameters are 100 mm, high 1200 mm of post, available depth 1000 mm; Empty bench grafting touches times 56 min, light filling biofilter material, packing volume 50%; The filtrate foam shape spheroidal particle that is white in color is formed particle diameter 5-7 mm through twice infusion of high temperature by import polystyrene resin particle; Bulk density 0.08-0.1 g/mL, porosity 50%, foaming degree is that starting material are more than 40 times.The pond body adopts pneumatic pump to carry out aeration, and GWR is set at 1:1, reaches the dual function of biologic packing material fluidization and complement lysis oxygen.
Ozone contact tank 3 all adopts ozonizer situ production ozone with main ozone contact tank 8 in advance, and ozonizer is a source of the gas with the air, gets into producer after the dry air, through regulating strength of current control ozone generation concentration.Preparatory ozone contact tank internal diameter 60 mm, high 800 mm of post, available depth 500 mm press flooding velocity and calculate, and ozone adds 0.5 ~ 1.5 mg/L, oxidization time 10 min in advance; Main ozone contact tank internal diameter 60 mm, high 1500 mm of post press flooding velocity and calculate, and main ozone adds 1.0 ~ 3.0 mg/L, oxidization time 20 min.
The sulphur aluminum chloride that gathers that adds is multiple mixture of ingredients, has the very high polymerization degree, belongs to that molecular weight is big, the higher inorganics high-molecular coagulant adopting of electric charge, press flooding velocity calculating, and dosage is that 5 ~ 15 mg/L are (with Al
2O
3Meter).Effective flocculation time 15 min in folded plate flocculation pond.Three sections of tube settlers 6 minutes, inclined tube district vertical height 900 mm, the bottom is provided with taper bucket and mud discharging mouth, hydraulic detention time 106 min.
Sand filter 7 internal diameters 100 mm, high 2000 mm of post fill homogeneous silica sand, particle diameter 1-2 mm, filling thickness 1200 mm.
Activated carbon filter 9 internal diameters 50 mm, high 1200 mm of post, upper strata packed column shaped activated carbon, specification (particle diameter * length) 1.5 * 5.0 mm, thickness 700 mm, homogeneous silica sand, particle diameter 2 mm, thickness 300 mm fill in lower floor.Gac is the ature of coal columnar activated carbon, iodine number>=1050 mg/g, tetracol phenixin value>=70%, methylene blue number>=150 mg/g, bulk density≤0.4 ~ 0.5 g/mL.
Micro-polluted raw gets into Biological Pretreatment pond 2 through constant flow pump 13 from retention basin 1; The pond body is connected with pneumatic pump 27 and carries out aeration; GWR is set at 1:1, makes 14 fluidizations of lightweight biofilter material, increases contacting of its surface biological film and water body; Replenish dissolved oxygen in the water body simultaneously, significantly improve in the filter material surface microbial film mikrobe the degradation property of organism in the water body and ammonia nitrogen.Body bottom, pond is connected with recoil pump 26 carries out back flushing, and the recoil water outlet is flowed out through riser 25.
Ozone contact tank 3 is connected with ozonizer 24 in advance; With the air is that source of the gas is produced ozone; Water body is carried out preoxidation, to mineral compound, colourity, turbidity, suspended particulate in the water body, smell and flavor etc. is effectively removed, organism in the partially oxidation water simultaneously; With the strengthening subsequent coagulation process, and part is killed pathogenic micro-organism in the water body.Calculate with flooding velocity, the ozone dosage is 0.5 ~ 1.5 mg/L, and min reacted residual ozone and connected device for absorbing tail gas through venting port 15 duration of contact 10.
Coagulating gathers sulphur aluminum chloride through adding coagulating agent in mixing agitated pool 4 to carry out, and calculates with flooding velocity, and dosage is that 5 ~ 15 mg/L are (with Al
2O
3Meter), behind whisking appliance 16 fully quick mixings, get into folded plate flocculation ponds 5 by lift pump 17; Get into tube settler 6 behind flocculation reaction 15 min; Effective STs 106 min, with turbidity material in the removal water body and larger molecular organics etc., sedimentary flco is discharged through mud discharging mouth 19.Water outlet gets into sand filter 7, filters through homogeneous quartz sand filter media 20 and further removes turbidity material and mikrobes, and the pond body is connected with recoil pump 26 and recoils, and the water outlet that recoils is through riser 28 outflows.
Main ozone contact tank 8 is connected with ozonizer 24; In the pond, add ozone and carry out oxidation and sterilization; Still the DBPs precursor that exists in the efficient oxidation water body, with the absorption property of strengthening subsequent activated carbon filter to it, simultaneously effective deactivation pathogenic micro-organism.Calculate with flooding velocity, the ozone dosage is 1.0 ~ 3.0 mg/L, and min reacted residual ozone and connected device for absorbing tail gas through venting port 21 duration of contact 20.Water outlet gets into activated carbon filter 9; The filtration of the absorption of gac 22 and lower floor's silica sand 23 is adsorbed removal to the ozone oxidation product through the upper strata; Effectively reduce DBPs and generate gesture, the pond body is connected with recoil pump 26 and recoils, and the water outlet that recoils is through riser 29 outflows.
Add Youxiaolin in the sterilization pool 10, whisking appliance 12 quick stirring and evenly mixings, in order to kill the mikrobe that still exists in the water body and to keep the pipe network chlorine residue, the chlorine dosage is that 1.5 ~ 2.5 mg/L add according to water factory's water outlet residual chlorine amount.Clean water basin 11 compile the former water of processing and supply with the user by water pump.
Because more conventional coagulation-settlement process has increased Biological Pretreatment, preparatory ozone, main ozone and activated carbon filter technology; Removal effect to turbidity, organism, DBPs precursor, viral micro-organisms, bacterial micro-organism etc. has a more substantial increase; DBPs generates gesture significantly to be reduced; Pathogenic micro-organism can be by complete inactivation and removal, and water quality safety property obviously is superior to traditional coagulation-settlement process.
Embodiment 2:
With embodiment 1 said device research experiment, micro-polluted raw gets into Biological Pretreatment pond 2 through constant flow pump 13 by retention basin 1, and discharge is constant to be 0.4 m
3/ d adopts pneumatic pump 27 to carry out aeration, GWR 1:1; Water outlet gets into preparatory ozone contact tank 2, calculates according to discharge, and the ozone dosage is 0.5 mg/L, duration of contact 10 min; Get into then and mix agitated pool 4, add and gather sulphur aluminum chloride, calculate according to discharge, dosage is that 8.9 mg/L are (with Al
2O
3Meter), by whisking appliance 16 quick stirring and evenly mixings, get into folded plate flocculation pond 5 through lift pump 17, water outlet gets into tube settler 6 behind 15 min that effectively flocculate, effectively STs 106 min; Water outlet gets into sand filter 7 and filters the laggard ozone contact tank 8 of becoming owner of, and calculates according to discharge, and the ozone dosage is 2.5 mg/L, oxidization time 20 min; After activated carbon filter 9 filters, get into sterilization pool 10 then, the chlorine dosage is that 1.5 ~ 2.5 mg/L add according to water factory's water outlet residual chlorine amount, by whisking appliance 12 quick stirring and evenly mixings, contact reacts times 120 min; Water outlet gets into clean water basin 11.Inlet and outlet water water quality is as shown in table 1 in the test.
Inlet and outlet water water quality situation among table 1 embodiment 2
| ? | Water inlet | Water outlet | Clearance (%) |
| Turbidity (NTU) | 34.3 | 0.830 | 97.58 |
| COD (mg/L) | 8.47 | 2.17 | 74.38 |
| UV 254 (cm -1) | 0.142 | 0.040 | 71.83 |
| Haloform generates gesture (μ g/L) | 155.22 | 70.14 | 54.81 |
| Halogen acetic acid generates gesture (μ g/L) | 129.94 | 36.65 | 71.79 |
| MS2 phage (FPU/100L) | 8710 | 0 | 100.00 |
| Φ Χ 174 phages (FPU/100L) | 59500 | 0 | 100.00 |
| Total plate count (cfu/mL) | 5400 | 0 | 100.00 |
| Total coli group (cfu/100mL) | >2419.6 | 0 | 100.00 |
Embodiment 3:
With embodiment 1 said device research experiment, micro-polluted raw gets into Biological Pretreatment pond 2 through constant flow pump 13 by retention basin 1, and discharge is constant to be 0.6 m
3/ d adopts pneumatic pump 27 to carry out aeration, GWR 1:1; Water outlet gets into preparatory ozone contact tank 2, calculates according to discharge, and the ozone dosage is 0.5 mg/L, duration of contact 10 min; Get into then and mix agitated pool 4, add and gather sulphur aluminum chloride, calculate according to discharge, dosage is that 8.9 mg/L are (with Al
2O
3Meter), by whisking appliance 16 quick stirring and evenly mixings, get into folded plate flocculation pond 5 through lift pump 17, water outlet gets into tube settler 6 behind 15 min that effectively flocculate, effectively STs 106 min; Water outlet gets into sand filter 7 and filters the laggard ozone contact tank 8 of becoming owner of, and calculates according to discharge, and the ozone dosage is 2.5 mg/L, oxidization time 20 min; After activated carbon filter 9 filters, get into sterilization pool 10 then, the chlorine dosage is that 1.5 ~ 2.5 mg/L add according to water factory's water outlet residual chlorine amount, by whisking appliance 12 quick stirring and evenly mixings, contact reacts times 120 min; Water outlet gets into clean water basin 11.Inlet and outlet water water quality is as shown in table 2 in the test.
Inlet and outlet water water quality situation among table 2 embodiment 3
| ? | Water inlet | Water outlet | Clearance (%) |
| Turbidity (NTU) | 32.0 | 0.901 | 97.18 |
| COD (mg/L) | 7.92 | 2.25 | 71.59 |
| UV 254 (cm -1) | 0.150 | 0.044 | 70.67 |
| Haloform generates gesture (μ g/L) | 151.04 | 69.05 | 54.28 |
| Halogen acetic acid generates gesture (μ g/L) | 122.85 | 38.61 | 68.57 |
| MS2 phage (FPU/100L) | 7650 | 0 | 100.00 |
| Φ Χ 174 phages (FPU/100L) | 42000 | 0 | 100.00 |
| Total plate count (cfu/mL) | 4800 | 0 | 100.00 |
| Total coli group (cfu/100mL) | >2419.6 | 0 | 100.00 |
Embodiment 4:
To the process system research experiment of the utility model, micro-polluted raw gets into Biological Pretreatment pond 2 through constant flow pump 13 by retention basin 1, and discharge is constant to be 0.8 m
3/ d adopts pneumatic pump 27 to carry out aeration, GWR 1:1; Water outlet gets into preparatory ozone contact tank 2, calculates according to discharge, and the ozone dosage is 0.5 mg/L, duration of contact 10 min; Get into then and mix agitated pool 4, add and gather sulphur aluminum chloride, calculate according to discharge, dosage is that 8.9 mg/L are (with Al
2O
3Meter), by whisking appliance 16 quick stirring and evenly mixings, get into folded plate flocculation pond 5 through lift pump 17, water outlet gets into tube settler 6 behind 15 min that effectively flocculate, effectively STs 106 min; Water outlet gets into sand filter 7 and filters the laggard ozone contact tank 8 of becoming owner of, and calculates according to discharge, and the ozone dosage is 2.5 mg/L, oxidization time 20 min; After activated carbon filter 9 filters, get into sterilization pool 10 then, the chlorine dosage is that 1.5 ~ 2.5 mg/L add according to water factory's water outlet residual chlorine amount, by whisking appliance 12 quick stirring and evenly mixings, contact reacts times 120 min; Water outlet gets into clean water basin 11.Inlet and outlet water water quality is as shown in table 3 in the test.
Inlet and outlet water water quality situation among table 3 embodiment 4
| ? | Water inlet | Water outlet | Clearance (%) |
| Turbidity (NTU) | 30.9 | 0.850 | 97.25 |
| COD (mg/L) | 8.72 | 2.32 | 73.40 |
| UV 254 (cm -1) | 0.153 | 0.046 | 70.39 |
| Haloform generates gesture (μ g/L) | 140.11 | 65.51 | 53.24 |
| Halogen acetic acid generates gesture (μ g/L) | 121.69 | 37.71 | 69.01 |
| MS2 phage (FPU/100L) | 6330 | 0 | 100.00 |
| Φ Χ 174 phages (FPU/100L) | 48000 | 0 | 100.00 |
| Total plate count (cfu/mL) | 5000 | 0 | 100.00 |
| Total coli group (cfu/100mL) | >2419.6 | 0 | 100.00 |
Can know according to above-mentioned data; The former water that adopts in the test receives the influence of inland river river transport transportation, pollutant discharge of enterprise, agricultural irrigation, agriculture chemical, resident living sewage and herding discharge of wastewater; After handling through the process method of the utility model; Haloform and halogen acetic acid generate gesture significantly to be reduced; The MS2 of two types of viral indicator organisms of conduct and Φ Χ 174 phages, total plate count and total coli group are all by 100% complete inactivation and removal simultaneously, and final outflow water water quality reaches the Drinking Water in China hygienic standard.
Claims (5)
1. process system of controlling disinfection by-product of drinking water and pathogenic micro-organism risk; It is characterized in that connecting to form through pipeline and valve successively by retention basin (1), Biological Pretreatment pond (2), preparatory ozone contact tank (3), mixing agitated pool (4), folded plate flocculation pond (5), tube settler (6), sand filter (7), main ozone contact tank (8), activated carbon filter (9), cholorination pond (10) and clean water basin (11); Wherein: the pipeline that retention basin (1) is connected with Biological Pretreatment pond (2) is provided with constant flow pump (13); Be full of biofilter material (14) in the Biological Pretreatment pond (2); Bottom, Biological Pretreatment pond (2) connects pneumatic pump (27), and aeration is carried out in Biological Pretreatment pond (2); Ozone contact tank (3) is connected respectively from oxygengenerator (24) with main ozone contact tank (8) in advance, and ozone contact tank (3) top is provided with venting port (15) in advance; Mix in the agitated pool (4) being provided with whisking appliance (16), the pipeline that mixing agitated pool (4) is connected with folded plate flocculation pond (5) is provided with lift pump (17); Tube settler (6) bottom is provided with mud discharging mouth (19); Be full of quartz sand filter media (20) in the sand filter (7), its top is provided with riser (28); Be distributed with upper strata gac (22) and lower floor's silica sand (23) in the activated carbon filter (9) from top to bottom, be provided with whisking appliance (12) in the sterilization pool (10); Biological Pretreatment pond (2), sand filter (7) and activated carbon filter (9) are respectively through pipe connection recoil pump (26).
2. the process system of control disinfection by-product of drinking water according to claim 1 and pathogenic micro-organism risk, the inclined tube that it is characterized in that said tube settler (6) top is a honeycomb sexangle inclined tube (18).
3. the process system of control disinfection by-product of drinking water according to claim 1 and pathogenic micro-organism risk, the particle diameter that it is characterized in that said biofilter material (14) is 5-7 mm, bulk density is 0.08-0.1 g/mL.
4. the process system of control disinfection by-product of drinking water according to claim 1 and pathogenic micro-organism risk, the particle diameter that it is characterized in that said filtrate silica sand (20) is 1-2 mm.
5. the process system of control disinfection by-product of drinking water according to claim 1 and pathogenic micro-organism risk is characterized in that said upper strata gac (22) adopts the ature of coal columnar activated carbon.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435179A (en) * | 2013-08-13 | 2013-12-11 | 柳州博泽科技有限公司 | Drinking water treatment system |
| CN103553237A (en) * | 2013-11-06 | 2014-02-05 | 西安建筑科技大学 | Process system for efficiently removing ammonia nitrogen in surface water |
| CN105293844A (en) * | 2015-12-14 | 2016-02-03 | 连云港市自来水有限责任公司 | Reactor for uninterruptedly getting direct drinking water and method for getting direct drinking water |
| CN111056667A (en) * | 2019-11-28 | 2020-04-24 | 中山公用水务有限公司 | Water disinfection processing system |
| CN112110574A (en) * | 2020-09-24 | 2020-12-22 | 上海城市水资源开发利用国家工程中心有限公司 | Sewage treatment device and sewage treatment method |
| CN112573764A (en) * | 2020-11-25 | 2021-03-30 | 武汉理工大学 | Multistage barrier modularized drinking water grading treatment system |
| CN113429018A (en) * | 2021-06-23 | 2021-09-24 | 福州水质监测有限公司 | Method for reducing concentration of disinfection by-product in drinking water treatment process |
-
2012
- 2012-04-26 CN CN2012201808924U patent/CN202543007U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435179A (en) * | 2013-08-13 | 2013-12-11 | 柳州博泽科技有限公司 | Drinking water treatment system |
| CN103553237A (en) * | 2013-11-06 | 2014-02-05 | 西安建筑科技大学 | Process system for efficiently removing ammonia nitrogen in surface water |
| CN103553237B (en) * | 2013-11-06 | 2015-04-01 | 西安建筑科技大学 | Process system for efficiently removing ammonia nitrogen in surface water |
| CN105293844A (en) * | 2015-12-14 | 2016-02-03 | 连云港市自来水有限责任公司 | Reactor for uninterruptedly getting direct drinking water and method for getting direct drinking water |
| CN111056667A (en) * | 2019-11-28 | 2020-04-24 | 中山公用水务有限公司 | Water disinfection processing system |
| CN112110574A (en) * | 2020-09-24 | 2020-12-22 | 上海城市水资源开发利用国家工程中心有限公司 | Sewage treatment device and sewage treatment method |
| CN112573764A (en) * | 2020-11-25 | 2021-03-30 | 武汉理工大学 | Multistage barrier modularized drinking water grading treatment system |
| CN113429018A (en) * | 2021-06-23 | 2021-09-24 | 福州水质监测有限公司 | Method for reducing concentration of disinfection by-product in drinking water treatment process |
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