CN104591451B - A kind of tap water purifying processing system - Google Patents
A kind of tap water purifying processing system Download PDFInfo
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- CN104591451B CN104591451B CN201410816547.9A CN201410816547A CN104591451B CN 104591451 B CN104591451 B CN 104591451B CN 201410816547 A CN201410816547 A CN 201410816547A CN 104591451 B CN104591451 B CN 104591451B
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Abstract
The invention provides a kind of tap water purifying processing system, it includes passing sequentially through the ozone sterilizer of pipeline connection, raw water water tank, raw water force (forcing) pump, gas stripping type sand filter, iron-manganese removing filter, active carbon filter, water softener, cartridge filter, photo catalysis reactor, ultrafiltration apparatus, nanofiltration equipment and aseptic water tank, adverse current forming apparatus and filter screen of water tank are provided with inside the raw water water tank, the adverse current forming apparatus is included on two, lower two funnel shaped parts, water stream channel is provided with the middle of the bottom of the upper hopper shape part, the lower funnel-shaped part sealed bottom, the filter screen of water tank is located at the lower section of the adverse current forming apparatus, the raw water water tank is divided into, lower two chambers, the raw water water tank is provided with pH control devices.Can be reached and higher than new edition by the tap water quality after present invention treatment《Standards for drinking water quality》（GB5749‑2006）Standard.
Description
Technical field
The present invention relates to a kind of tap water purifying processing system, belong to water-treatment technology field.
Background technology
Running water refers to the confession people for meeting respective standard life, the water of production and application produced after water treatment plants are purified, sterilized.Domestic water mainly draws rivers and lakes and underground water by the water intake pumping station of water factory, surface water, by waterworks according to《National Drinking Water related sanitary standard》, by the treatment of the technological processes such as precipitation, sterilization, filtering, each user is transported to finally by Energy Saving Measures of Pumping Station.
Running water is closely bound up with the life of people, and the water quality of running water is healthy in close relations with people.The water standard of China also has a certain distance than international standard at present.Current water supply security is faced with the pollution of waterhead dual-pressure that increasingly the serious and water quality standard of tap water is gradually stepped up, and this also just proposes requirement higher to advanced water treatment technology.
Traditional water treatment technology mainly takes following technique：Extract water source → coagulation → precipitation → filtering → feeding clear water reserviors carry out disinfection → be input into water supply line.But the pollution of current water resource is increasingly serious, especially heavy metal pollution and Organic Pollution, and according to statistics, the water source of earth surface water source about 50% of China is contaminated, and hundreds of organic compound, heavy metal ion enter water source；There is the exceeded phenomenon such as fluorine, arsenic, iron, manganese in underground water source.And the current most waterworks of China still uses traditional water treatment technology, if water source is polluted by heavy metal ion and organic compound, then above-mentioned traditional handicraft just seems unable to do what one wishes.Therefore, it is necessary to carry out advanced treating to water supply.
Although source quality pollution constantly aggravation, with the raising of living standards of the people, the quality to drinking water proposes requirement higher.For this came into effect on July 1st, 2007《Standards for drinking water quality》（GB5749-2006）, in new standard water quality index by 1985 the 35 of standard increase to 106, and the limit value of many indexs is stricter.New standard emphasis strengthens the control requirement to microorganism, heavy metal and organic pollution, and the water standard with international organization and developed country substantially integrates with.
Therefore, further guarantee, for the healthy and social development of people, it is necessary, a kind of new tap water purifying processing system is researched and developed, the system can carry out advanced treating with tap water supply so that the water quality after treatment reaches the new standard of national regulation.
The content of the invention
Goal of the invention：The invention aims to solve the deficiencies in the prior art, there is provided a kind of tap water purifying processing system.
Technical scheme：In order to realize the above object present invention employs following technical scheme：
A kind of tap water purifying processing system,It includes passing sequentially through the ozone sterilizer of pipeline connection,Raw water water tank,Raw water force (forcing) pump,Gas stripping type sand filter,Iron-manganese removing filter,Active carbon filter,Water softener,Cartridge filter,Photo catalysis reactor,Ultrafiltration apparatus,Nanofiltration equipment and aseptic water tank,Adverse current forming apparatus and filter screen of water tank are provided with inside the raw water water tank,The adverse current forming apparatus is included on two,Lower two funnel shaped parts,Water stream channel is provided with the middle of the bottom of the upper hopper shape part,The lower funnel-shaped part sealed bottom,The filter screen of water tank is located at the lower section of the adverse current forming apparatus,The raw water water tank is divided into,Lower two chambers,The bottom of the raw water water tank is provided with delivery port,Water tank UV sterilizer is provided near the delivery port,The raw water water tank is provided with pH control devices.
The ozone sterilizer being provided with the present invention can carry out preliminarily pasteurized sterilization processing to water source, and before ozone sterilizer is placed on follow-up flocculation sediment, can be with oxidized metal species, improve coagulation and filtration effect, the conventional chlorination of substitution, reduces the toxic and side effect of chlorine, while also playing the effect of sterilization, Organic substance in water can be aoxidized, reduce subsequent treatment difficulty, reduce the effect of pollutant；
The raw water force (forcing) pump being provided with is mainly the subgravity lifting for realizing raw water, to realize the gravity stream of subsequent treatment process, mitigates the pressure of subsequent processing device；
It is provided with gas stripping type sand filter; gas stripping type sand filter is a kind of high efficiency filter processing unit for integrating coagulation, clarification, filtering; gas stripping type sand filter is for conventional flocculation sediment filtration treatment device; with the continuous operation of filtering; backwashed without shutting down; efficiency high, energy consumption is low, the advantages of cost-effective；
The iron-manganese removing filter being provided with can remove unnecessary ferro element and manganese element in water, although ferrimanganic has irreplaceable effect in the activity of sustaining life, but for human body, the daily intake of ferro element is only 20 mg, and the content of manganese only has 10~20 mg in human body, for so micro ferrimanganic demand, the mankind can be made up by diet completely, in order to suppress the generation that high-iron and high manganese too intake produces potential hazard to human body, then unnecessary ferro element and manganese element can be removed by iron-manganese removing filter；
The active carbon filter being provided with can make full use of the suction-operated of activated carbon, and chemisorbed can be carried out to the material of various properties, remove peculiar smell, organic matter, colloid, chlorine residue in water body etc. to reach the purpose of optimizing water quality；
The water softener being provided with can remove scale in raw water, incrustation scale and some inorganic salts etc., to reduce the hardness of water；
The cartridge filter being provided with is a kind of accurate filter, and compared to for comparing coarse filtration in pre-treatment program, cartridge filter can further remove the less impurity of some particles in raw water；
The photo catalysis reactor being provided with, using the principle of light-catalyzed reaction, carries out disinfection to running water, and enough removals are thorough, sterilized, suppress virus activity and non-secondary pollution, and processing cost is relatively low；
The ultrafiltration apparatus being provided with is primarily to adapting to new water standard and being provided with, conventional water treatment facilities can remove some organic matters and impurity in water, but in new standard, to organic matter, heavy metal, microorganism, strict requirements even are suffered to turbidity etc., accordingly, it would be desirable to using more superior accommodation, and ultrafiltration can be applied in water process because of having the advantages that following unique：(1) ultrafiltration is a kind of green Physical Separation Technology, and its separating mechanism is mainly screening and diffusion.Even if being not added with coagulant, the suspension and colloidal substance in raw water also can be effectively removed, delivery turbidity is down to 0. 1
Below NTU.Therefore ultrafiltration can be lacked with even without coagulant, so as to reduce pollution of the coagulated agent to water quality.(2) hyperfiltration technique can effectively remove almost all pathogenic microorganisms, including Cryptosporidium, giardia lamblia, bacterium and virus etc., effluent quality typically can reach requirement of the water standard to microbiological indicator, therefore there is no need to carry out sterilizing to water outlet again in principle.Certainly, also need to a small amount of disinfectant is added in water, to keep certain continuous disinfection ability, in case water is secondarily contaminated during transmission ＆ distribution.(3) due to the consumption of disinfectant can be reduced using hyperfiltration technique, therefore the growing amount of DBPs in water can be substantially reduced, so as to improve the chemical safety of water.(4) in conventional filtering, pollutant is removed in filter material surface by adsorbing, and is a kind of random process, therefore with fluctuation.Compared with conventional processes, the process of ultrafiltration removal water pollutant is directly to screen out effect by fenestra, therefore removal to pollutant has fabulous stability.(5) operating pressure that ultrafiltration is generally used is 0. 1
~ 0. 4 MPa, less than the operating pressure of NF membrane, energy consumption is relatively low.(6) water is very short by the filtration time of milipore filter, and this causes the volume very little of device for ultrafiltration membrane, this be other conventional treatment processes far from and.(7) can change in the larger context using scale and disposal ability, equipment can realize industrialized production and Automated condtrol, day-to-day operation and maintenance management are more convenient.
The nanofiltration equipment being provided with is primarily to make up some shortcomings part of ultrafiltration apparatus, it acts on reverse osmosis membrane and is similar to, especially play decolouring, removal natural organic matter and synthesis of organic substance (such as agricultural chemicals), three cause materials, DBPs (haloform and halogen acetic acid) and its precursor and volatile organic matter, ensure the effect of the biological stability of drinking water etc., used cooperatively with ultrafiltration apparatus, drinking water that can be sufficient carries out advanced treating；
Water storage is carried out using aseptic water tank, it is to be contaminated in storage that can avoid treated sterilized water；
The adverse current forming apparatus being provided with raw water water tank it be mainly play a part of dash, cross water, bidirectional flow formed and current blending, it is finally reached water body pressure, the purpose of stationary flow flow inside regulating tank, can cause that the deposit in roof tank water quality is fully precipitated simultaneously, so that filter effect is more preferably, so that the detergent power enhancing of water tank；The screen pack being provided with can tentatively be filtered to water, and water tank UV sterilizer can neutralize the ozone remained in water tank, while playing bactericidal action；
The pH control devices being provided with raw water water tank, can control the pH value of running water in water tank, for subsequent treatment and water quality safety provide guarantee.
The gas stripping type sand filter includes main body, the bottom of the main body is provided with sand filter air inlet, top is provided with sand-washing device, the sand extraction tube being vertically arranged is provided between the sand filter air inlet and sand-washing device, the left and right sides of the sand extraction tube is provided with water-locator, sand filter water inlet and sand filter delivery port are respectively arranged on the left side and the right side above the main body, the sand filter water inlet is connected with the water-locator, the middle and lower part of the main body is filled with layer of sand.The apparatus structure is simple, floor space is small, and can efficiently be filtered to remove the impurity in water.
The photo catalysis reactor includes photocatalyst reaction vessel and separator, the bottom of the photocatalyst reaction vessel and separator is all respectively equipped with evacuation port, water pump is provided between described two evacuation ports, quartz ampoule is provided with inside the photocatalyst reaction vessel, uviol lamp is provided with inside the quartz ampoule, the photocatalyst reaction vessel top is provided with water inlet and delivery port, water inlet and delivery port are provided with the top of the separator, backwater gauge is provided between the delivery port of the photocatalyst reaction vessel and the water inlet of separator, the delivery port of the separator is provided with qualified water ga(u)ge and pressure gauge, the photocatalyst reaction vessel inside is equipped with photochemical catalyst, the photochemical catalyst includes following components by weight percent：
Methyl acrylate：100 parts；
Nano titanium oxide：6-7 parts；
PLA：10-15 parts；Safety non-toxic, with good biocompatibility, being added in nano titanium oxide can increase its antibiotic property；
Shitosan：6-8 parts；Environment-friendly type antibiotic agent, can increase overall bactericidal properties；
Cellulose acetate：5-7 parts；Increase the photocatalysis characteristic and bactericidal properties of nano titanium oxide；
Epoxypropyltrimethylchloride chloride：10-15 parts；Quaternary ammonium salt, can both react with nano titanium oxide, strengthen photocatalysis characteristic, again can be as phase transfer reagent so that the overall mixing of solution is more uniformly distributed；
Deionized water：200-300 parts.Photochemical catalyst is placed in reaction vessel in the device is mixed with pending running water, it is attached on specific device rather than by photochemical catalyst, compared to other reaction units, reaction unit of the invention both ensure that the high efficiency of photochemical catalytic oxidation, and efficiently separating for photocatalyst granular and water is realized again.And in photocatalysis reagent, enter nano titanium oxide is mixed with other reagents, the characteristic of each component is taken full advantage of so that the reaction bacteria-eliminating efficacy of the photochemical catalyst is more preferable.
Water tank inlet, liquid level controller for water tank and water tank inflation exhaust and filtration apparatus are respectively equipped with the top of the raw water water tank, water tank inlet lower section inside the raw water water tank is provided with least two shower nozzles being horizontally mounted, the shower nozzle lower section is provided with the adverse current forming apparatus, the filter screen of water tank is provided with below the adverse current forming apparatus, the bottom of the raw water water tank is additionally provided with water tank sewage draining exit.Shower nozzle is more uniformly distributed when making the running water of entrance again by adverse current forming apparatus so that adverse current forming apparatus effect more preferably, and then causes filter effect more preferably, and the effect that finally causes to purify water is more preferable.Liquid level controller for water tank controls liquid level, is easy to charge and discharge water at any time, exhaust and filtration apparatus, it is ensured that interior air environment quality.
The pH control devices include pH sensors, hydrochloric acid charging box, sodium hydroxide addition case and PLC.PH sensors carry out pH detections to the water in water tank, the bearing reaction that will be measured is in PLC, PLC is calculated, if water quality meta-acid, sodium hydroxide addition case is turned on to sodium hydroxide solution is added in water tank, if water quality meta-alkali, hydrochloric acid charging box is turned on, hydrochloric acid is added to be adjusted, untill the water quality in water tank its pH value meets the requirements.
The raw water water tank（2）Inside is provided with corrosion-resistant coating, and the material of the corrosion-resistant coating includes following components by weight percent：
PEEK：100 parts；
FEP：20-25 parts；
Carbon fiber：10-15 parts；
Nano-silicon nitride：2-4 parts；
Montmorillonite：2-4 parts；
Glass fibre：3-5 parts；
Paraffin：1-2 parts；
Coupling agent：0.5-0.8 parts；
Plasticizer：6-8 parts；
Stabilizer：2-3 parts.Impurity is more in water quality in water tank, and also remains the ozone sterilization residue of previous step, and the measures such as pH regulations can be also carried out in water tank; so, unavoidably to the long-living corrosion of water tank, therefore; the corrosion-resistant coating being provided with can protect water tank, it is to avoid corrosion, extend the service life of water tank；
Corrosion-resistant coating, wherein, PEEK：Polyether-ether-ketone, it is a kind of material of environment-protecting asepsis, the advantages of high temperature resistant, self-lubricating, wear-resistant, high intensity and high-dimensional stability are still shown in the severe rugged environments such as high temperature, burn into steam and soda acid, its continuous temperature in use is up to 260 DEG C, even if can still keep excellent mechanical strength at a high temperature of 300 DEG C, with it as material of main part, it is ensured that the corrosion resistance of corrosion-resistant coating；The FEP of addition：Fluorinated ethylene propylene copolymer, is tetrafluoroethene and hexafluoropropene copolymerization, with splendid insulating properties, chemical-resistant stability etc., after introducing PEP, can be very good to improve the toughness and corrosion resistance of product；Carbon fiber and nano-silicon nitride are with the addition of, the mechanical performance and Corrosion Protection of PEEK material of main parts can be further enhanced；The montmorillonite of addition can well improve impact resistance, pliability, bin stability and the corrosion resistance of product；The glass fibre of addition is a kind of Inorganic Non-metallic Materials of excellent performance, and species is various, and advantage is that good insulating, heat resistance be strong, corrosion resistance is good, and high mechanical strength after addition, can improve the corrosion resistance of product；With the addition of the auxiliary agents such as paraffin, plasticizer, stabilizer, coupling agent so that the combination property of corrosion-resistant coating product is improved, wherein plasticizer can select di-n-octyl sebacate, stabilizer can be 1 from calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio:2 mixture, coupling agent can select the tert-butyl peroxide silane of vinyl three.
The inside of the aseptic water tank is provided with chitosan anti-bacteria layer, and outside is provided with PEF heat-insulation layers.What aseptic water tank was stored is the clean running water that final process is crossed, and in order to avoid running water long term storage meeting breed bacteria, therefore is provided with antibiotic layer, and shitosan is a kind of anti-biotic material of environment-protecting asepsis, will not produce secondary pollution；The heat-insulation layer being provided with can be incubated to water tank.
Beneficial effect：The present invention provide tap water purifying processing system compared with prior art, with advantages below：
（1）Tap water purifying processing system of the invention, combine various disinfection way such as ozonization, disinfection by ultraviolet light, photocatalysis disinfection, sterilization bacteria-eliminating efficacy is more preferably, membrane technology is combined with Ozone-Active Carbon Process simultaneously, organic matter, heavy metal, microorganism in raw water etc. can sufficiently be processed, reach the advanced treating to water quality so that water quality can reach and higher than new edition after treatment《Standards for drinking water quality》（GB5749-2006）Standard；
（2）Tap water purifying processing system of the invention, conventional flocculation sediment operation is replaced using gas stripping type sand filter, and cost is also reduced while ensure that high efficiency filter；
（3）Tap water purifying processing system of the invention, be placed on photochemical catalyst in reaction vessel and mixed with pending running water by the photocatalysis apparatus of use, it is attached on specific device rather than by photochemical catalyst, compared to other reaction units, reaction unit of the invention both ensure that the high efficiency of photochemical catalytic oxidation, and efficiently separating for photocatalyst granular and water is realized again；And in photocatalysis reagent, nano titanium oxide is mixed with other reagents, take full advantage of the characteristic of each component so that the reaction bacteria-eliminating efficacy of the photochemical catalyst is more preferable；
（4）Tap water purifying processing system of the invention, is provided with the corrosion-resistant coating of environment-friendly type inside raw water water tank, can avoid the corrosion of water tank, and final water tank is internally provided with antibiotic layer, and breed bacteria produces secondary pollution when can be avoided the storage of water quality.
Brief description of the drawings
Fig. 1 is the structural representation of tap water purifying processing system provided in an embodiment of the present invention；
Fig. 2 is the structural representation of embodiment of the present invention Central Plains water tank；
Fig. 3 is the structural representation of photo catalysis reactor in the embodiment of the present invention；
Fig. 4 is the structural representation of gas stripping type sand filter in the embodiment of the present invention；
In figure：1- ozone sterilizers,2- raw water water tanks,3- raw water force (forcing) pumps,4- gas stripping type sand filters,5- iron-manganese removing filters,6- active carbon filters,7- water softeners,8- cartridge filters,9- photo catalysis reactors,10- ultrafiltration apparatus,11- nanofiltration equipment,The aseptic water tanks of 12-,21- water tank inlets,22- high water tank switch boards,23- water tanks inflate exhaust and filtration apparatus,24- shower nozzles,25- adverse current forming apparatuses,26- filter screen of water tank,27- water outlet of water tank,28,Water tank UV sterilizer,29- water tank sewage draining exits,210-pH control devices,41- sand-washing devices,42- sand filter sewage draining exits,43- sand filter delivery ports,44- layers of sand,45- sand filter air inlets,46- sand extraction tubes,47- water-locators,48- sand filter water inlets,91- backwater gauge,The qualified water ga(u)ges of 92-,93- pressure gauges,94- separators,95- water pumps,96- photocatalyst reaction vessels,97- uviol lamps,98- quartz ampoules.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; but explanation protection scope of the present invention is not limited to the specific scope of the present embodiment simultaneously; based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1
As Figure 1-4：A kind of tap water purifying processing system, it is characterised in that：It includes passing sequentially through the ozone sterilizer 1 of pipeline connection,Raw water water tank 2,Raw water force (forcing) pump 3,Gas stripping type sand filter 4,Iron-manganese removing filter 5,Active carbon filter 6,Water softener 7,Cartridge filter 8,Photo catalysis reactor 9,Ultrafiltration apparatus 10,Nanofiltration equipment 11 and aseptic water tank 12,Adverse current forming apparatus 25 and filter screen of water tank 26 are provided with inside the raw water water tank 2,The adverse current forming apparatus 25 is included on two,Lower two funnel shaped parts,Water stream channel is provided with the middle of the bottom of the upper hopper shape part,The lower funnel-shaped part sealed bottom,The filter screen of water tank 26 is located at the lower section of the adverse current forming apparatus 25,By the raw water water tank, 2 points is upper,Lower two chambers,The bottom of the raw water water tank 2 is provided with delivery port 27,The delivery port 27 is nearby provided with water tank UV sterilizer 28,The raw water water tank 2 is provided with pH control devices 210,The pH control devices 210 include pH sensors,Hydrochloric acid charging box,Sodium hydroxide addition case and PLC,The top of the raw water water tank 2 is respectively equipped with water tank inlet 21,Liquid level controller for water tank 22 and water tank inflation exhaust and filtration apparatus 23,The lower section of water tank inlet 21 inside the raw water water tank 2 is provided with least two shower nozzles 24 being horizontally mounted,The lower section of the shower nozzle 24 is provided with the adverse current forming apparatus 25,The lower section of the adverse current forming apparatus 25 is provided with the filter screen of water tank 26,The bottom of the raw water water tank 2 is additionally provided with water tank sewage draining exit 29,Corrosion-resistant coating is provided with inside the raw water water tank 2,The material of the corrosion-resistant coating includes following components by weight percent：
PEEK：100 parts；
FEP：20 parts；
Carbon fiber：10 parts；
Nano-silicon nitride：2 parts；
Montmorillonite：2 parts；
Glass fibre：3 parts；
Paraffin：1 part；
Coupling agent：The tert-butyl peroxide silane of vinyl three：0.5 part；
Plasticizer：Di-n-octyl sebacate：6 parts；
Stabilizer：Calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2 mixture：2 parts.
The gas stripping type sand filter 4 includes main body, the bottom of the main body is provided with sand filter air inlet 45, top is provided with sand-washing device 41, the sand extraction tube 46 being vertically arranged is provided between the sand filter air inlet 45 and sand-washing device 41, the left and right sides of the sand extraction tube 46 is provided with water-locator 47, sand filter water inlet 48 and sand filter delivery port 43 are respectively arranged on the left side and the right side above the main body, the sand filter water inlet 48 is connected with the water-locator 47, the middle and lower part of the main body is filled with layer of sand 44.
The photo catalysis reactor 9 includes photocatalyst reaction vessel 96 and separator 94,The bottom of the photocatalyst reaction vessel 96 and separator 94 is all respectively equipped with evacuation port,Water pump 95 is provided between described two evacuation ports,Quartz ampoule 98 is provided with inside the photocatalyst reaction vessel 96,Uviol lamp 97 is provided with inside the quartz ampoule 98,The top of the photocatalyst reaction vessel 96 is provided with water inlet and delivery port,The top of the separator 94 is provided with water inlet and delivery port,Backwater gauge 91 is provided between the delivery port of the photocatalyst reaction vessel 96 and the water inlet of separator 94,The delivery port of the separator 94 is provided with qualified water ga(u)ge 92 and pressure gauge 93,The inside of the photocatalyst reaction vessel 96 is equipped with photochemical catalyst,The photochemical catalyst includes following components by weight percent：
Methyl acrylate：100 parts；
Nano titanium oxide：6 parts；
PLA：10 parts；
Shitosan：6 parts；
Cellulose acetate：5 parts；
Epoxypropyltrimethylchloride chloride：10 parts；
Deionized water：200 parts.
The inside of the aseptic water tank 12 is provided with chitosan anti-bacteria layer, and outside is provided with PEF heat-insulation layers.
Embodiment 2：
As Figure 1-4：A kind of tap water purifying processing system,It includes passing sequentially through the ozone sterilizer 1 of pipeline connection,Raw water water tank 2,Raw water force (forcing) pump 3,Gas stripping type sand filter 4,Iron-manganese removing filter 5,Active carbon filter 6,Water softener 7,Cartridge filter 8,Photo catalysis reactor 9,Heater 10,Teflon filtration film 11 and aseptic water tank 12,Adverse current forming apparatus 25 and filter screen of water tank 26 are provided with inside the raw water water tank 2,The adverse current forming apparatus 25 is included on two,Lower two funnel shaped parts,Water stream channel is provided with the middle of the bottom of the upper hopper shape part,The lower funnel-shaped part sealed bottom,The filter screen of water tank 26 is located at the lower section of the adverse current forming apparatus 25,By the raw water water tank, 2 points is upper,Lower two chambers,The bottom of the raw water water tank 2 is provided with delivery port 27,The delivery port 27 is nearby provided with water tank UV sterilizer 28,The raw water water tank 2 is provided with pH control devices 210,The pH control devices 210 include pH sensors,Hydrochloric acid charging box,Sodium hydroxide addition case and PLC,The top of the raw water water tank 2 is respectively equipped with water tank inlet 21,Liquid level controller for water tank 22 and water tank inflation exhaust and filtration apparatus 23,The lower section of water tank inlet 21 inside the raw water water tank 2 is provided with least two shower nozzles 24 being horizontally mounted,The lower section of the shower nozzle 24 is provided with the adverse current forming apparatus 25,The lower section of the adverse current forming apparatus 25 is provided with the filter screen of water tank 26,The bottom of the raw water water tank 2 is additionally provided with water tank sewage draining exit 29,Corrosion-resistant coating is provided with inside the raw water water tank 2,The material of the corrosion-resistant coating includes following components by weight percent：
PEEK：100 parts；
FEP：23 parts；
Carbon fiber：13 parts；
Nano-silicon nitride：3 parts；
Montmorillonite：3 parts；
Glass fibre：4 parts；
Paraffin：1.5 parts；
Coupling agent：The tert-butyl peroxide silane of vinyl three：0.65 part；
Plasticizer：Di-n-octyl sebacate：7 parts；
Stabilizer：Calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2 mixture：2.5 parts.
The gas stripping type sand filter 4 includes main body, the bottom of the main body is provided with sand filter air inlet 45, top is provided with sand-washing device 41, the sand extraction tube 46 being vertically arranged is provided between the sand filter air inlet 45 and sand-washing device 41, the left and right sides of the sand extraction tube 46 is provided with water-locator 47, sand filter water inlet 48 and sand filter delivery port 43 are respectively arranged on the left side and the right side above the main body, the sand filter water inlet 48 is connected with the water-locator 47, the middle and lower part of the main body is filled with layer of sand 44.
The photo catalysis reactor 9 includes photocatalyst reaction vessel 96 and separator 94,The bottom of the photocatalyst reaction vessel 96 and separator 94 is all respectively equipped with evacuation port,Water pump 95 is provided between described two evacuation ports,Quartz ampoule 98 is provided with inside the photocatalyst reaction vessel 96,Uviol lamp 97 is provided with inside the quartz ampoule 98,The top of the photocatalyst reaction vessel 96 is provided with water inlet and delivery port,The top of the separator 94 is provided with water inlet and delivery port,Backwater gauge 91 is provided between the delivery port of the photocatalyst reaction vessel 96 and the water inlet of separator 94,The delivery port of the separator 94 is provided with qualified water ga(u)ge 92 and pressure gauge 93,The inside of the photocatalyst reaction vessel 96 is equipped with photochemical catalyst,The photochemical catalyst includes following components by weight percent：
Methyl acrylate：100 parts；
Nano titanium oxide：6.5 parts；
PLA：13 parts；
Shitosan：7 parts；
Cellulose acetate：6 parts；
Epoxypropyltrimethylchloride chloride：13 parts；
Deionized water：250 parts.
The inside of the aseptic water tank 12 is provided with chitosan anti-bacteria layer, and outside is provided with PEF heat-insulation layers.
Embodiment 3：
As Figure 1-4：A kind of tap water purifying processing system,It includes passing sequentially through the ozone sterilizer 1 of pipeline connection,Raw water water tank 2,Raw water force (forcing) pump 3,Gas stripping type sand filter 4,Iron-manganese removing filter 5,Active carbon filter 6,Water softener 7,Cartridge filter 8,Photo catalysis reactor 9,Heater 10,Teflon filtration film 11 and aseptic water tank 12,Adverse current forming apparatus 25 and filter screen of water tank 26 are provided with inside the raw water water tank 2,The adverse current forming apparatus 25 is included on two,Lower two funnel shaped parts,Water stream channel is provided with the middle of the bottom of the upper hopper shape part,The lower funnel-shaped part sealed bottom,The filter screen of water tank 26 is located at the lower section of the adverse current forming apparatus 25,By the raw water water tank, 2 points is upper,Lower two chambers,The bottom of the raw water water tank 2 is provided with delivery port 27,The delivery port 27 is nearby provided with water tank UV sterilizer 28,The raw water water tank 2 is provided with pH control devices 210,The pH control devices 210 include pH sensors,Hydrochloric acid charging box,Sodium hydroxide addition case and PLC,The top of the raw water water tank 2 is respectively equipped with water tank inlet 21,Liquid level controller for water tank 22 and water tank inflation exhaust and filtration apparatus 23,The lower section of water tank inlet 21 inside the raw water water tank 2 is provided with least two shower nozzles 24 being horizontally mounted,The lower section of the shower nozzle 24 is provided with the adverse current forming apparatus 25,The lower section of the adverse current forming apparatus 25 is provided with the filter screen of water tank 26,The bottom of the raw water water tank 2 is additionally provided with water tank sewage draining exit 29,Corrosion-resistant coating is provided with inside the raw water water tank 2,The material of the corrosion-resistant coating includes following components by weight percent：
PEEK：100 parts；
FEP：25 parts；
Carbon fiber：15 parts；
Nano-silicon nitride：4 parts；
Montmorillonite：4 parts；
Glass fibre：5 parts；
Paraffin：2 parts；
Coupling agent：The tert-butyl peroxide silane of vinyl three：0.8 part；
Plasticizer：Di-n-octyl sebacate：8 parts；
Stabilizer：Calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2 mixture：3 parts.
The gas stripping type sand filter 4 includes main body, the bottom of the main body is provided with sand filter air inlet 45, top is provided with sand-washing device 41, the sand extraction tube 46 being vertically arranged is provided between the sand filter air inlet 45 and sand-washing device 41, the left and right sides of the sand extraction tube 46 is provided with water-locator 47, sand filter water inlet 48 and sand filter delivery port 43 are respectively arranged on the left side and the right side above the main body, the sand filter water inlet 48 is connected with the water-locator 47, the middle and lower part of the main body is filled with layer of sand 44.
The photo catalysis reactor 9 includes photocatalyst reaction vessel 96 and separator 94,The bottom of the photocatalyst reaction vessel 96 and separator 94 is all respectively equipped with evacuation port,Water pump 95 is provided between described two evacuation ports,Quartz ampoule 98 is provided with inside the photocatalyst reaction vessel 96,Uviol lamp 97 is provided with inside the quartz ampoule 98,The top of the photocatalyst reaction vessel 96 is provided with water inlet and delivery port,The top of the separator 94 is provided with water inlet and delivery port,Backwater gauge 91 is provided between the delivery port of the photocatalyst reaction vessel 96 and the water inlet of separator 94,The delivery port of the separator 94 is provided with qualified water ga(u)ge 92 and pressure gauge 93,The inside of the photocatalyst reaction vessel 96 is equipped with photochemical catalyst,The photochemical catalyst includes following components by weight percent：
Methyl acrylate：100 parts；
Nano titanium oxide：7 parts；
PLA：15 parts；
Shitosan：8 parts；
Cellulose acetate：7 parts；
Epoxypropyltrimethylchloride chloride：15 parts；
Deionized water：300 parts.
The inside of the aseptic water tank 12 is provided with chitosan anti-bacteria layer, and outside is provided with PEF heat-insulation layers.
In above-described embodiment, tap water purifying processing system of the invention, its specific works running is as follows：
Raw water first passes around ozone sterilizer 1 and carries out preliminary sterilizing treatment；Then in raw water water tank 2 is entered into, then by raw water force (forcing) pump 3 carry out gravity be lifted into in gas stripping type sand filter 4 being flocculated, precipitate, filtering integral treatment, gas stripping type sand filter 4 can carry out preliminary coarse filtration to raw water；Then raw water enters into iron-manganese removing filter 5 to remove ferro element and manganese element unnecessary in water quality；Then water quality enters into and water demineralization is carried out in water softener 7, removes the dirt in water quality, reduces the hardness of water quality；Then the water after softening enters into and smart filtering is carried out in cartridge filter 8, further removes the impurity in water；Then water is entered into photo catalysis reactor 9 and carries out sterilizing by light-catalyzed reaction, running water after disinfecting successively carries out film process by ultrafiltration apparatus 10 and nanofiltration equipment 11 again, final to remove the impurity remained in water quality, the clean running water after processing and heating finally is stored into aseptic water tank 12 to carry out point water operation of next step.
Wherein, flow direction of the running water in raw water water tank 2 is：Current enter from water tank inlet 21, the adverse current forming apparatus 25 of inside is flowed through in the presence of shower nozzle 24, current are flowed through by the intermediate gaps and side wall space of the upper-part of adverse current forming apparatus 25, by water body by being integrally divided into the flow velocity less current of slower water, the flow direction larger its object is to change middle part flow velocity, stop when zone line is flowed through by lower component forms reverse flow, reverse flow and the violent blending of forward stream near side wall, reach the effect of bidirectional flow energy dissipating, water flow pressure in raw water water tank 2 keeps stabilization, current by filter screen of water tank 26 by being filtered again after adverse current forming apparatus 25, finally flow out raw water water tank 2.In addition, running water can also carry out pH in raw water water tank 2 by pH control devices adjusts control, such as, if requiring that the pH value of water quality is retained in 7（Preferable neutral state）Left and right, if the pH value that pH sensors are measured is excessively less than normal, that is water quality meta-acid, so it is accomplished by controlling sodium hydroxide addition case to be fed by PLC, if pH value is excessively bigger than normal, i.e. water quality meta-alkali, then, it is accomplished by control hydrochloric acid charging box to be fed, untill the pH value of water quality basically reaches neutrality.
Wherein, filter process of the running water in gas stripping type sand filter 4 is specially：First, water is sent to bottom and is provided with the water-locator 47 of the radial bar shaped pore of circumference from sand filter water inlet 48, and water is with to upstream direction from layer of sand 44（It is the quartz sand of 1-2mm from particle diameter, the thickness of layer of sand is generally 800-850mm or so, and the porosity of layer of sand is generally 0.45-0.47 or so）Bottom slowly rises, and layer of sand 44 is since the impurity in filter water bottom, so that bottom sand grains has gradually concentrated a large amount of impurity；Meanwhile, sand filter air inlet 45 flows into the gas of constant flow（Supply air quantity is adjustable state, and adjustable range is 0-2.8 m3/h））So that the sand grains of the bottom of layer of sand 44 is raised, the sand grains for lifting mixes running water and rises to sand-washing device 41 from middle sand extraction tube 46, during this, sand grains and water are fully contacted, due to the interaction of power between sand and water, generate a large amount of bubbles, solid particulate matter is wrapped up in attached by bubble, because of Action of Gravity Field, the slit between sand-washing device 41 and sand filter sewage draining exit 42 falls back to the top of layer of sand 44 to sand, and due to there is liquid level difference between sand filter delivery port 43 and sand filter sewage draining exit 42, so that bubble, solid particulate matter some water is discharged from sand filter sewage draining exit 42, water after treatment proceeds to next link from the outflow of sand filter delivery port 43, so, the workflow of gas stripping type sand filter a cycle is completed, gone down with this periodically operation.
Wherein, running water course of reaction in photo catalysis reactor 9 is：Photochemical catalyst is mixed in being added to photocatalyst reaction vessel 96 with pending running water, then 95 are switched on the pump, water is set to be circulated between photocatalyst reaction vessel 96 and separator 94, treat that photochemical catalyst reaches suspended state, open uviol lamp 97, light-catalyzed reaction starts under the irradiation of uviol lamp 97, impurity in water is degraded, it is trapped when photochemical catalyst is by separator 94, water after treatment is if unqualified always in the treatment that moved in circles between photocatalyst reaction vessel 96 and separator 94, until qualified, qualified water then flows out from the delivery port of separator 94 after treatment, so the photo catalysis reactor 9 can ensure that the high efficiency of photochemical catalytic oxidation, efficiently separating for photocatalyst granular and water is realized again.
By tap water purifying processing system of the invention, the tap water quality index after its treatment fully achieves new standard《Standards for drinking water quality》（GB5749-2006）Requirement.
The above embodiments merely illustrate the technical concept and features of the present invention, is familiar with the those skilled in the art and will appreciate that present disclosure and implement according to this purpose is to allow, and can not be limited the scope of the invention with this.All equivalents or modification according to done by spirit of the invention, should all be included within the scope of the present invention.
Claims (7)
1. a kind of tap water purifying processing system, it is characterised in that：It includes passing sequentially through the ozone sterilizer of pipeline connection（1）, raw water water tank（2）, raw water force (forcing) pump（3）, gas stripping type sand filter（4）, iron-manganese removing filter（5）, active carbon filter（6）, water softener（7）, cartridge filter（8）, photo catalysis reactor（9）, ultrafiltration apparatus（10）, nanofiltration equipment（11）And aseptic water tank（12）, the raw water water tank（2）Inside is provided with adverse current forming apparatus（25）And filter screen of water tank（26）, the adverse current forming apparatus（25）Including upper and lower two funnel shaped parts, water stream channel, the lower funnel-shaped part sealed bottom, the filter screen of water tank are provided with the middle of the bottom of the upper hopper shape part（26）Positioned at the adverse current forming apparatus（25）Lower section, by the raw water water tank（2）It is divided into upper and lower two chambers, the raw water water tank（2）Bottom be provided with delivery port（27）, the delivery port（27）Nearby it is provided with water tank UV sterilizer（28）, the raw water water tank（2）It is provided with pH control devices（210）.
2. tap water purifying processing system according to claim 1, it is characterised in that：The gas stripping type sand filter（4）Including main body, the bottom of the main body is provided with sand filter air inlet（45）, top is provided with sand-washing device（41）, the sand filter air inlet（45）With sand-washing device（41）Between be provided with the sand extraction tube being vertically arranged（46）, the sand extraction tube（46）The left and right sides be provided with water-locator（47）, sand filter water inlet is respectively arranged on the left side and the right side above the main body（48）With sand filter delivery port（43）, the sand filter water inlet（48）With the water-locator（47）It is connected, the middle and lower part of the main body is filled with layer of sand（44）.
3. tap water purifying processing system according to claim 1, it is characterised in that：The photo catalysis reactor（9）Including photocatalyst reaction vessel（96）And separator（94）, the photocatalyst reaction vessel（96）And separator（94）Bottom be all respectively equipped with evacuation port, be provided with water pump between described two evacuation ports（95）, the photocatalyst reaction vessel（96）Inside is provided with quartz ampoule（98）, the quartz ampoule（98）Inside is provided with uviol lamp（97）, the photocatalyst reaction vessel（96）Top is provided with water inlet and delivery port, the separator（94）Top be provided with water inlet and delivery port, the photocatalyst reaction vessel（96）Delivery port and separator（94）Water inlet between be provided with backwater gauge（91）, the separator（94）Delivery port be provided with qualified water ga(u)ge（92）And pressure gauge（93）, the photocatalyst reaction vessel（96）Inside is equipped with photochemical catalyst, and the photochemical catalyst includes following components by weight percent：
Methyl acrylate：100 parts；
Nano titanium oxide：6-7 parts；
PLA：10-15 parts；
Shitosan：6-8 parts；
Cellulose acetate：5-7 parts；
Epoxypropyltrimethylchloride chloride：10-15 parts；
Deionized water：200-300 parts.
4. tap water purifying processing system according to claim 1, it is characterised in that：The raw water water tank（2）Top be respectively equipped with water tank inlet（21）, liquid level controller for water tank（22）And water tank inflation exhaust and filtration apparatus（23）, the raw water water tank（2）Internal water tank inlet（21）Lower section is provided with least two shower nozzles being horizontally mounted（24）, the shower nozzle（24）Lower section is provided with the adverse current forming apparatus（25）, the adverse current forming apparatus（25）Lower section be provided with the filter screen of water tank（26）, the raw water water tank（2）Bottom be additionally provided with water tank sewage draining exit（29）.
5. tap water purifying processing system according to claim 1, it is characterised in that：The pH control devices（210）Including pH sensors, hydrochloric acid charging box, sodium hydroxide addition case and PLC.
6. tap water purifying processing system according to claim 4, it is characterised in that：The raw water water tank（2）Inside is provided with corrosion-resistant coating, and the material of the corrosion-resistant coating includes following components by weight percent：
PEEK：100 parts；
FEP：20-25 parts；
Carbon fiber：10-15 parts；
Nano-silicon nitride：2-4 parts；
Montmorillonite：2-4 parts；
Glass fibre：3-5 parts；
Paraffin：1-2 parts；
Coupling agent：0.5-0.8 parts；
Plasticizer：6-8 parts；
Stabilizer：2-3 parts.
7. tap water purifying processing system according to claim 1, it is characterised in that：The aseptic water tank（12）Inside be provided with chitosan anti-bacteria layer, outside is provided with PEF heat-insulation layers.
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| CN106219848A (en) * | 2016-07-21 | 2016-12-14 | 绍兴文理学院 | A kind of agitating type is double filters salt technology |
| CN109692583A (en) * | 2017-10-20 | 2019-04-30 | 中国石油化工股份有限公司 | Antibacterial type dry film and its preparation method and application |
| CN112794476A (en) * | 2020-12-25 | 2021-05-14 | 海南自贸区浩天能环境工程有限公司 | Circulating self-purification integrated form water station |
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| DE10022212C2 (en) * | 2000-05-06 | 2003-12-24 | Reiner Hartmann | Device for removing dissolved metals, primarily iron and manganese, from the groundwater |
| CN201253505Y (en) * | 2008-09-01 | 2009-06-10 | 帕克环保技术(上海)有限公司 | Gas-stripping type continuous sand filtering device |
| JP2011161433A (en) * | 2010-02-06 | 2011-08-25 | Kimimasa Sumizaki | Photocatalyst water purifying apparatus for producing drinking-water and also the other application water |
| CN202342963U (en) * | 2011-11-25 | 2012-07-25 | 罗文峰 | Continuous type sand filtration equipment |
| CN102557350A (en) * | 2012-01-19 | 2012-07-11 | 合肥德安水处理设备有限公司 | Purification system for micro-polluted raw water and purification method thereof |
| CN103420519A (en) * | 2012-05-14 | 2013-12-04 | 上海市政工程设计研究总院（集团）有限公司 | Combined processing technology for slightly polluted raw water |
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